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[feature] Added X.509 Certificate Generator Templates - #1378

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[feature] Added X.509 Certificate Generator Templates#1378
stktyagi wants to merge 95 commits into
gsoc26-x509-certificate-generator-templatesfrom
issues/1356-extend-abstract-template

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@stktyagi

@stktyagi stktyagi commented May 26, 2026

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Checklist

  • I have read the OpenWISP Contributing Guidelines.
  • I have manually tested the changes proposed in this pull request.
  • I have written new test cases for new code and/or updated existing tests for changes to existing code.
  • I have updated the documentation.

Reference to Existing Issue

Closes #1356
Closes #1377
Closes #1357
Closes #1361
Closes #1358
Closes #1360
Closes #1359

Description of Changes

This PR establishes the database architecture, UI, API and lifecycle for standalone X.509 certificate templates.

Manual test plan

Setup

  • Go to PKI -> Certification Authorities and create two CAs: CA-1 and CA-2.
  • Go to PKI -> Certificates and create two certificates to act as blueprints:
  • Blueprint-1 (Must use CA-1)
  • Blueprint-2 (Must use CA-2)
  • Go to Devices and create a device (test-device).

Template Creation and Validation

  • Configuration -> Templates and click ADD TEMPLATE.
  • Set Type to Certificate.
    • Leave CA blank and try to save.
    • Expected Result: Validation error stating a CA is required.
  • Set CA to CA-1.
    • Set Blueprint to Blueprint-2 (which belongs to CA-2). Try to save.
    • When opening drop-down for blueprint you'll only see unassigned and unrevoked certificates.
    • Expected Result: Validation error stating the Blueprint must match the selected CA.
  • Change Blueprint to Blueprint-1. Name the template Active-Cert-Template. Save it.

Device Provisioning

  • Add configuration for test-device.
  • In the templates field, add Active-Cert-Template. Save.
  • Go to PKI -> Certificates.
  • Expected Result: You should see a brand new certificate automatically generated for test-device. Its status should be valid (not revoked).

Active Mutation Locks

  • Go back to Configuration -> Templates and edit Active-Cert-Template (which is now assigned to an active device).
  • Change the Type to Generic. Try to save.
  • Expected Result: Validation error: "You cannot change the template type from certificate on an active template."
  • Change the CA to CA-2. Try to save.
  • Expected Result: Validation error blocking the CA change.
  • Change the Blueprint to Blueprint-2 (ensure you also change the CA so they match, triggering the active lock). Try to save.
  • Expected Result: Validation error blocking the Blueprint change.

Revocation on Removal

  • Go to the Configuration for test-device.
  • Remove Active-Cert-Template entirely from the templates list. Save.
  • Go to PKI -> Certificates and locate the device's certificate.
  • Expected Result: The certificate should still exist in the database, but its status should now be marked as Revoked.

Context Configuration Injection

  • Go to Configuration -> Templates, open Active-Cert-Template, and copy its UUID from the URL bar (removing the dashes so it is a 32-character hex string).

  • In the JSON configuration editor for the template, add a configuration block that references the certificate's UUID variables:

    {
        "files": [
            {
                "path": "{{ cert_<uuid>_path }}",
                "mode": "0600",
                "contents": "{{ cert_<uuid>_pem }}"
            }
        ]
    }
    

    (Note: Replace <uuid> with the actual 32-character hex string of the template).

  • Click Save.

  • Go back to the Configuration page for test-device (which has this template assigned) and click the Preview configuration button.

  • Expected Result: The variables should be successfully resolved. In the preview, you should see the generated path (e.g., /etc/x509/cert-<uuid>.pem) and the literal -----BEGIN CERTIFICATE----- text instead of the raw {{ }} template tags.

output.mp4

…1356

- Added 'cert' to TYPE_CHOICES.
- Introduced 'ca' and 'blueprint_cert' ForeignKeys with organization validation.
- Updated the clean() method to clear unneeded relations, require a CA for cert types, and validate that a blueprint certificate is not already assigned to a device.

Fixes #1356
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📝 Walkthrough

Walkthrough

Adds standalone cert templates with CA and blueprint certificate support. Adds the DeviceCertificate relation for certificate generation, assignment, revocation, renewal, and configuration context variables. Adds API, admin, UI, migration, notification, hardware-change regeneration, and documentation support. Expands regression, integration, Selenium, and query-count coverage.

Estimated code review effort: 5 (Critical) | ~120 minutes

Possibly related issues

Possibly related PRs

Suggested labels: testing

Suggested reviewers: nemesifier

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Linked Issues check ⚠️ Warning Most objectives are covered, but DeviceCertificate lacks the required auto_cert field for #1377 and admin uses autocomplete_fields instead of raw_id_fields for #1357. Add DeviceCertificate.auto_cert with its migration and behavior, and use raw_id_fields for ca and blueprint_cert or document an approved equivalent.
✅ Passed checks (4 passed)
Check name Status Explanation
Title check ✅ Passed The title uses the required prefix and clearly describes the standalone X.509 certificate template feature.
Description check ✅ Passed The description includes the checklist, linked issues, change summary, manual test plan, and a relevant screenshot attachment.
Out of Scope Changes check ✅ Passed The implementation, tests, migrations, admin changes, and documentation all support the linked certificate-template objectives.
Ui Changes, Regression Test, Docs ✅ Passed UI changes include a PR-attached MP4 screen recording; Selenium/admin tests cover UI behavior, and certificate-template documentation was added and linked in the docs.
✨ Finishing Touches 💡 1
🛠️ Fix failing CI checks 💡
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  • Commit on current branch
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  • Commit unit tests in branch issues/1356-extend-abstract-template

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Code Review Summary

Status: No Issues Found | Recommendation: Merge

Files Reviewed (4 files)
  • docs/developer/extending.rst
  • docs/user/certificate-templates.rst
  • docs/user/settings.rst
  • docs/user/templates.rst
Previous Review Summary (commit 1f6fe30)

Current summary above is authoritative. Previous snapshots are kept for context only.

Previous review (commit 1f6fe30)

Status: No Issues Found | Recommendation: Merge

Files Reviewed (4 files)
  • docs/developer/extending.rst
  • docs/user/certificate-templates.rst
  • docs/user/settings.rst
  • docs/user/templates.rst

Reviewed by step-3.7-flash · Input: 128.2K · Output: 35.6K · Cached: 2.8M

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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@openwisp_controller/config/base/template.py`:
- Around line 265-267: The help text for the auto_cert field is out of date (it
still says it's only valid for VPN templates) — update the auto_cert field's
help/verbose/help_text in the Template definition in
openwisp_controller/config/base/template.py so it matches the new behavior
(auto_cert is allowed when type == "cert" as well as when type == "vpn"); locate
the auto_cert attribute (and any admin/API serializer or form label/help_text
referencing it) and change the message to something like "Valid for 'vpn' and
'cert' template types" or equivalent clear wording that includes both types.
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  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

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📒 Files selected for processing (3)
  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/migrations/0064_template_blueprint_cert_template_ca_and_more.py
  • tests/openwisp2/sample_config/migrations/0010_template_blueprint_cert_template_ca_and_more.py
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  • tests/openwisp2/sample_config/migrations/0010_template_blueprint_cert_template_ca_and_more.py
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  • tests/openwisp2/sample_config/migrations/0010_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/migrations/0064_template_blueprint_cert_template_ca_and_more.py
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  • tests/openwisp2/sample_config/migrations/0010_template_blueprint_cert_template_ca_and_more.py
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🧠 Learnings (4)
📚 Learning: 2026-01-12T22:27:40.078Z
Learnt from: nemesifier
Repo: openwisp/openwisp-controller PR: 1175
File: tests/openwisp2/sample_config/migrations/0008_whoisinfo_organizationconfigsettings_whois_enabled.py:18-67
Timestamp: 2026-01-12T22:27:40.078Z
Learning: In test migrations under tests/openwisp2/sample_config/migrations, verify scenarios where a swappable model (CONFIG_WHOISINFO_MODEL) is extended with extra fields (e.g., an additional 'details' field) to ensure compatibility and no errors when swapping to a custom implementation. This pattern helps confirm that extending AbstractWHOISInfo via a custom model works as intended.

Applied to files:

  • tests/openwisp2/sample_config/migrations/0010_template_blueprint_cert_template_ca_and_more.py
📚 Learning: 2026-01-15T15:07:17.354Z
Learnt from: DragnEmperor
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/geo/estimated_location/tests/tests.py:172-175
Timestamp: 2026-01-15T15:07:17.354Z
Learning: In this repository, flake8 enforces E501 (line too long) via setup.cfg (max-line-length = 88) while ruff ignores E501 via ruff.toml. Therefore, use '# noqa: E501' on lines that intentionally exceed 88 characters to satisfy flake8 without affecting ruff checks. This applies to Python files across the project (any .py) and is relevant for tests as well. Use sparingly and only where breaking lines is not feasible without hurting readability or functionality.

Applied to files:

  • tests/openwisp2/sample_config/migrations/0010_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/migrations/0064_template_blueprint_cert_template_ca_and_more.py
📚 Learning: 2026-01-15T15:05:49.557Z
Learnt from: DragnEmperor
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/config/management/commands/clear_last_ip.py:38-42
Timestamp: 2026-01-15T15:05:49.557Z
Learning: In Django projects, when using select_related() to traverse relations (for example, select_related("organization__config_settings")), the traversed relation must not be deferred. If you also use .only() in the same query, include the relation name or FK field (e.g., "organization" or "organization_id") in the .only() list to avoid the error "Field X cannot be both deferred and traversed using select_related at the same time." Apply this guideline to Django code in openwisp_controller/config/management/commands/clear_last_ip.py and similar modules by ensuring any select_related with an accompanying only() includes the related field names to prevent deferred/traversed conflicts.

Applied to files:

  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/migrations/0064_template_blueprint_cert_template_ca_and_more.py
📚 Learning: 2026-02-17T19:13:10.088Z
Learnt from: nemesifier
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/config/whois/commands.py:0-0
Timestamp: 2026-02-17T19:13:10.088Z
Learning: In reviews for the openwisp/openwisp-controller repository, do not propose changes based on Ruff warnings. The project does not use Ruff as its linter; ignore Ruff-related suggestions and follow the repository’s established linting and configuration rules. This guidance applies to all Python files under the openwisp_controller directory.

Applied to files:

  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/migrations/0064_template_blueprint_cert_template_ca_and_more.py
🔇 Additional comments (3)
openwisp_controller/config/base/template.py (1)

25-29: LGTM!

Also applies to: 62-83, 251-253, 271-312

openwisp_controller/config/migrations/0064_template_blueprint_cert_template_ca_and_more.py (1)

1-59: LGTM!

tests/openwisp2/sample_config/migrations/0010_template_blueprint_cert_template_ca_and_more.py (1)

1-58: LGTM!

Comment thread openwisp_controller/config/base/template.py Outdated
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{
  "failures": [
    {
      "type": "Build/Infrastructure/Other",
      "message": "Migrations check failed! Models' changes not migrated, please run './manage.py makemigrations' to solve the issue!",
      "details": "The CI environment detected that the database migrations are out of sync. This is indicated by the error message 'Migrations check failed! Models' changes not migrated, please run './manage.py makemigrations' to solve the issue!' and the mention of a specific migration file '0005_user_expiration_date_user_user_active_expiry_idx.py'."
    }
  ]
}

CI Failure Analysis

Hello @stktyagi,
(Analysis for commit 25f1a21)

  • Migrations Out of Sync: The CI build failed because the database migrations are not up-to-date. This is indicated by the error message "Migrations check failed! Models' changes not migrated, please run './manage.py makemigrations' to solve the issue!".

Fix: Run ./manage.py makemigrations to generate the necessary migration files and then commit them to the repository.

stktyagi added 2 commits May 27, 2026 01:58
Updated previous tests and added new tests for implemetation.

Fixes #1356
Fixed help text for auto cert and updated migration files
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Migrations Check Failed

Hello @stktyagi,
(Analysis for commit a795e09)

The CI failed because there are unapplied database migrations. This means that the database schema is out of sync with the current state of the code.

Fix:
Run the following command to apply the pending migrations:

./manage.py makemigrations

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The CI is failing due to transient infrastructure issues (not related to your code). I have restarted the failed jobs automatically (1/3).

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Actionable comments posted: 2

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@openwisp_controller/config/base/template.py`:
- Around line 252-253: The validation of certificate relations (calls to
self._validate_org_relation("ca") and
self._validate_org_relation("blueprint_cert")) is running unconditionally and
can fail on stale relations when the object is being switched away from the
"cert" type; restrict these validations to the cert branch so they only run when
the template's type is "cert" (e.g., wrap or move the
self._validate_org_relation(...) calls inside the same conditional that handles
the "cert" branch or after the type check that preserves/clears ca and
blueprint_cert), ensuring they do not run when the code path clears those fields
(see the branch that clears ca and blueprint_cert).
- Around line 304-305: The current check "if not self.config" coerces any falsy
value ([], "", False) into {}, bypassing BaseConfig.clean() validation; change
the condition to only handle missing configs by checking "if self.config is
None" (or equivalent explicit None check) so only absent configs are replaced
with {} and invalid/falsy payloads are left intact for
full_clean()/BaseConfig.clean() to reject.
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Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

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  • openwisp_controller/config/base/template.py
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  • openwisp_controller/pki/tests/test_api.py
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🧠 Learnings (4)
📚 Learning: 2026-01-15T15:05:49.557Z
Learnt from: DragnEmperor
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/config/management/commands/clear_last_ip.py:38-42
Timestamp: 2026-01-15T15:05:49.557Z
Learning: In Django projects, when using select_related() to traverse relations (for example, select_related("organization__config_settings")), the traversed relation must not be deferred. If you also use .only() in the same query, include the relation name or FK field (e.g., "organization" or "organization_id") in the .only() list to avoid the error "Field X cannot be both deferred and traversed using select_related at the same time." Apply this guideline to Django code in openwisp_controller/config/management/commands/clear_last_ip.py and similar modules by ensuring any select_related with an accompanying only() includes the related field names to prevent deferred/traversed conflicts.

Applied to files:

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  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/tests/test_template.py
📚 Learning: 2026-02-17T19:13:10.088Z
Learnt from: nemesifier
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/config/whois/commands.py:0-0
Timestamp: 2026-02-17T19:13:10.088Z
Learning: In reviews for the openwisp/openwisp-controller repository, do not propose changes based on Ruff warnings. The project does not use Ruff as its linter; ignore Ruff-related suggestions and follow the repository’s established linting and configuration rules. This guidance applies to all Python files under the openwisp_controller directory.

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  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/tests/test_template.py
📚 Learning: 2026-01-15T15:07:17.354Z
Learnt from: DragnEmperor
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/geo/estimated_location/tests/tests.py:172-175
Timestamp: 2026-01-15T15:07:17.354Z
Learning: In this repository, flake8 enforces E501 (line too long) via setup.cfg (max-line-length = 88) while ruff ignores E501 via ruff.toml. Therefore, use '# noqa: E501' on lines that intentionally exceed 88 characters to satisfy flake8 without affecting ruff checks. This applies to Python files across the project (any .py) and is relevant for tests as well. Use sparingly and only where breaking lines is not feasible without hurting readability or functionality.

Applied to files:

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  • tests/openwisp2/sample_config/migrations/0010_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/tests/test_template.py
📚 Learning: 2026-01-12T22:27:40.078Z
Learnt from: nemesifier
Repo: openwisp/openwisp-controller PR: 1175
File: tests/openwisp2/sample_config/migrations/0008_whoisinfo_organizationconfigsettings_whois_enabled.py:18-67
Timestamp: 2026-01-12T22:27:40.078Z
Learning: In test migrations under tests/openwisp2/sample_config/migrations, verify scenarios where a swappable model (CONFIG_WHOISINFO_MODEL) is extended with extra fields (e.g., an additional 'details' field) to ensure compatibility and no errors when swapping to a custom implementation. This pattern helps confirm that extending AbstractWHOISInfo via a custom model works as intended.

Applied to files:

  • tests/openwisp2/sample_config/migrations/0010_template_blueprint_cert_template_ca_and_more.py
🔇 Additional comments (4)
openwisp_controller/pki/tests/test_api.py (1)

155-155: LGTM!

Also applies to: 275-275

openwisp_controller/config/migrations/0064_template_blueprint_cert_template_ca_and_more.py (1)

12-16: LGTM!

Also applies to: 19-44, 45-58, 59-74

tests/openwisp2/sample_config/migrations/0010_template_blueprint_cert_template_ca_and_more.py (1)

11-14: LGTM!

Also applies to: 17-42, 43-56, 57-72

openwisp_controller/config/base/template.py (1)

25-29: LGTM!

Also applies to: 62-83, 119-120

Comment thread openwisp_controller/config/base/template.py Outdated
Comment thread openwisp_controller/config/base/template.py Outdated
@openwisp-companion

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Migrations Check Failed

Hello @stktyagi,
(Analysis for commit b946d26)

The CI failed because there are unapplied database migrations.

Failure: Migrations check failed! Models' changes not migrated, please run './manage.py makemigrations' to solve the issue!

Fix:
Run the following command to generate the missing migrations:

./manage.py makemigrations

stktyagi and others added 2 commits May 27, 2026 09:34
Validate cert relations only inside the cert branch and Only coerce missing cert configs, not every falsy value.

Fixes #1356
Comment thread openwisp_controller/config/base/template.py
Added test for the validation branch that now skips ca / blueprint_cert checks for non-cert templates

Fixes #1356
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coveralls commented May 27, 2026

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Coverage Status

Coverage is 98.321%issues/1356-extend-abstract-template into gsoc26-x509-certificate-generator-templates. No base build found for gsoc26-x509-certificate-generator-templates.

Fixed line too long flake error

Fixes #1356
…1377

Implemented the DeviceCertificate M2M through-model to act as a strict relational bridge between Config, Template, and django_x509.Cert.

Fixes #1377
@stktyagi stktyagi added the gsoc Part of a Google Summer of Code project label May 28, 2026
Updated test by joining the list of strings into one sentence.

Fixes #1377
@stktyagi stktyagi changed the title [feature] Extended Template model for standalone X.509 certificates #1356 [feature] Introduced standalone certificate templates and device bindings May 29, 2026
"required",
"created",
]
multitenant_shared_relations = ("vpn", "ca", "blueprint_cert")

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Adding these organization-scoped certificate relations exposes an existing clone path that now creates invalid templates. A clone is validated with the source organization, then its organization is changed and saved without validation, so it can keep a non-shared CA or blueprint from the source organization. Please set the target organization before validating and saving the clone, and add coverage for cloning certificate templates across organizations.

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These issues need to be fixed before merge.

self.auto_cert = False
if self.type != "cert":
self.auto_cert = False
if self.type == "cert" and not self.auto_cert:

@nemesifier nemesifier Aug 1, 2026

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Certificate template creation through the API stops working when OPENWISP_CONTROLLER_DEFAULT_AUTO_CERT is False. The API does not expose auto_cert, so the default remains false and this validation rejects the request, which is problematic..

Addressed comments included in latest review
Refresh tracked values only for fields that were saved
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stktyagi commented Aug 4, 2026

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@coderabbitai full review

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Full review finished.

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Actionable comments posted: 8

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (2)
openwisp_controller/config/base/device.py (2)

354-380: 📐 Maintainability & Code Quality | 🔵 Trivial | 💤 Low value

Remove the blank lines inside these method bodies.

Line 357 and line 378 add blank lines inside the method bodies. The coding guidelines require avoiding unnecessary blank lines inside function and method bodies.

♻️ Proposed cleanup
     def _check_name_changed(self, update_fields=None):
         if self._initial_name == models.DEFERRED:
             return
-
         field_saved = update_fields is None or "name" in update_fields
         if field_saved and self._initial_name != self.name:
             device_name_changed.send(
                 sender=self.__class__,
                 instance=self,
             )
-
             if self._has_config():
                 self.config.set_status_modified()
-
         if field_saved:
             self._initial_name = self.name
 
     def _check_mac_address_changed(self, update_fields=None):
         if self._initial_mac_address == models.DEFERRED:
             return
         field_saved = update_fields is None or "mac_address" in update_fields
         if field_saved and self._initial_mac_address != self.mac_address:
             if self._has_config():
                 self.config.set_status_modified()
-
         if field_saved:
             self._initial_mac_address = self.mac_address
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@openwisp_controller/config/base/device.py` around lines 354 - 380, Remove the
unnecessary blank lines within _check_name_changed and
_check_mac_address_changed, including those immediately after the deferred-value
guards and before the final field-state updates, without changing behavior.

Source: Coding guidelines


391-403: 🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Gate management_ip_changed on the fields saved in save().

Management_ip is in Device._changed_checked_fields, so save(update_fields=["name"]) still calls _check_management_ip_changed() with that same update_fields. The current code emits the signal from the in-memory value even when management_ip was not saved. Gate the signal with the same update_fields is None or "management_ip" in update_fields test used to advance _initial_management_ip.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@openwisp_controller/config/base/device.py` around lines 391 - 403, The
_check_management_ip_changed method currently emits management_ip_changed even
when management_ip is excluded from save(update_fields=...). Gate the signal
emission with the same update_fields is None or "management_ip" in update_fields
condition already used when updating _initial_management_ip, while preserving
the deferred-value handling and state update behavior.
♻️ Duplicate comments (2)
openwisp_controller/config/base/template.py (1)

356-366: 📐 Maintainability & Code Quality | 🔵 Trivial | 💤 Low value

Remove the blank lines inside _validate_cert_template_changes.

Lines 358 and 366 add blank lines inside the method body. The coding guidelines require avoiding unnecessary blank lines inside function and method bodies. A reviewer already raised the same point on this file.

♻️ Proposed change
         if not changing_protected_fields:
             return
-
         Config = load_model("config", "Config")
         if not (
             Config.objects.filter(templates=self)
             .exclude(status__in=["deactivating", "deactivated"])
             .exists()
         ):
             return
-
         errors = {}
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@openwisp_controller/config/base/template.py` around lines 356 - 366, Remove
the unnecessary blank lines inside _validate_cert_template_changes, specifically
between the changing_protected_fields guard and Config assignment, and between
the Config existence check and the following logic. Keep the method’s behavior
unchanged.

Source: Coding guidelines

openwisp_controller/config/tests/test_template.py (1)

1565-1586: 🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

This test no longer covers the NULL cert_id case its name and docstring describe.

The docstring states the test verifies that "a DeviceCertificate with cert=None does not poison the get_unassigned_certs() SQL query due to NULL semantics". The body instead lets manage_device_certs provision a certificate and then asserts assertIsNotNone(device_cert.cert_id). No row with a NULL cert_id exists.

get_unassigned_certs filters with cert_id__isnull=False precisely to guard against that NULL case. That guard is now untested: removing the cert_id__isnull=False filter would still let this test pass.

Create a row with cert=None and assert the precondition, so the guard is pinned.

💚 Proposed fix
         config.templates.add(template)
         device_cert = DeviceCertificate.objects.get(config=config, template=template)
         self.assertIsNotNone(device_cert.cert_id)
+        # force a real NULL cert_id to exercise the SQL NULL guard
+        DeviceCertificate.objects.filter(pk=device_cert.pk).update(cert=None)
+        device_cert.refresh_from_db()
+        self.assertIsNone(device_cert.cert_id)
         choices = get_unassigned_certs()
         queryset = choices.get("pk__in")
         self.assertIsNotNone(queryset)
         self.assertIn(unassigned_cert, queryset)
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@openwisp_controller/config/tests/test_template.py` around lines 1565 - 1586,
Update test_get_unassigned_certs_with_null_device_cert to explicitly set the
retrieved DeviceCertificate’s cert field to None and save it before calling
get_unassigned_certs(). Replace the current assertIsNotNone(device_cert.cert_id)
with an assertion that cert_id is None, while preserving the existing assertion
that the unassigned certificate remains in the returned queryset.
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@openwisp_controller/config/admin.py`:
- Around line 1157-1160: Update AbstractTemplate.clone() to use a sentinel
default for organization, preserving the source organization only when the
argument is omitted while allowing an explicit None to create a shared clone.
Ensure the cloning action passes the explicit shared target through the existing
organization selection path. Add coverage for the organization == "" action case
and verify the resulting clone has no organization.

In `@openwisp_controller/config/base/template.py`:
- Around line 189-206: Update Template.save to keep kwargs["update_fields"] as
the primary path, while retaining the args[3] handling only for Django 5.1/5.2
compatibility. Add a concise comment above the positional branch documenting
that index 3 is the legacy update_fields argument and is removed in Django 6.0.
- Around line 501-504: Update Template.clone to distinguish an omitted
organization from an explicit request for organization=None, using a distinct
unset sentinel while preserving the current source-organization behavior when
the argument is omitted. Ensure the admin action’s organization == "" path
passes the explicit shared-clone value so superusers can create clones without
an organization.
- Around line 212-221: Update _get_initial_value_or_fallback to resolve deferred
ForeignKey fields using their relation names, while loading the corresponding
*_id column via only(). For fields such as ca and blueprint_cert, fetch the
object using ca_id/blueprint_cert_id, assign the FK value to _initial_{field},
and then return getattr(obj, field); preserve existing handling for non-FK
fields, missing objects, and non-deferred values.

In
`@openwisp_controller/config/templates/admin/config/device_certificates_table.html`:
- Around line 55-57: Update the boolean icon alt attributes in the device
certificates table template to use Django’s translation helper instead of
literal “True” and “False” text, preserving the existing icons and ensuring both
status labels—including the revoked state—are localized.

In `@openwisp_controller/config/tests/test_api.py`:
- Around line 1609-1638: Wrap the PUT request in the test method using
captureOnCommitCallbacks(execute=True), matching the existing pattern in
test_device_api_cert_template_lifecycle, so deferred post_clear cleanup runs
before the subsequent assertions. Keep the current response and
certificate-preservation assertions unchanged.

In `@openwisp_controller/config/tests/test_device.py`:
- Around line 1007-1016: Update test_setting_disabled to mock or spy on
DeviceCertificate.regenerate_certificates and assert it is not called when
REGENERATE_CERTS_ON_HARDWARE_CHANGE is false. Update test_device_does_not_exist
to explicitly assert the task completes without raising an exception, rather
than asserting its always-None return value.

In `@openwisp_controller/config/utils.py`:
- Around line 110-144: Update get_client_extensions and
AbstractVpnClient._auto_create_cert so DEFAULT_CLIENT_EXTENSIONS is deep-copied,
including each mutable extension dictionary, before use. Preserve blueprint
extension copying and hardware OID handling while ensuring every generated
certificate receives independent extension entries.

---

Outside diff comments:
In `@openwisp_controller/config/base/device.py`:
- Around line 354-380: Remove the unnecessary blank lines within
_check_name_changed and _check_mac_address_changed, including those immediately
after the deferred-value guards and before the final field-state updates,
without changing behavior.
- Around line 391-403: The _check_management_ip_changed method currently emits
management_ip_changed even when management_ip is excluded from
save(update_fields=...). Gate the signal emission with the same update_fields is
None or "management_ip" in update_fields condition already used when updating
_initial_management_ip, while preserving the deferred-value handling and state
update behavior.

---

Duplicate comments:
In `@openwisp_controller/config/base/template.py`:
- Around line 356-366: Remove the unnecessary blank lines inside
_validate_cert_template_changes, specifically between the
changing_protected_fields guard and Config assignment, and between the Config
existence check and the following logic. Keep the method’s behavior unchanged.

In `@openwisp_controller/config/tests/test_template.py`:
- Around line 1565-1586: Update test_get_unassigned_certs_with_null_device_cert
to explicitly set the retrieved DeviceCertificate’s cert field to None and save
it before calling get_unassigned_certs(). Replace the current
assertIsNotNone(device_cert.cert_id) with an assertion that cert_id is None,
while preserving the existing assertion that the unassigned certificate remains
in the returned queryset.
🪄 Autofix

Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

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📒 Files selected for processing (37)
  • docs/developer/extending.rst
  • docs/index.rst
  • docs/user/certificate-templates.rst
  • docs/user/intro.rst
  • docs/user/rest-api.rst
  • docs/user/settings.rst
  • docs/user/templates.rst
  • openwisp_controller/config/admin.py
  • openwisp_controller/config/api/serializers.py
  • openwisp_controller/config/apps.py
  • openwisp_controller/config/base/config.py
  • openwisp_controller/config/base/device.py
  • openwisp_controller/config/base/device_certificate.py
  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/base/vpn.py
  • openwisp_controller/config/handlers.py
  • openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/models.py
  • openwisp_controller/config/settings.py
  • openwisp_controller/config/static/config/css/admin.css
  • openwisp_controller/config/static/config/js/switcher.js
  • openwisp_controller/config/tasks.py
  • openwisp_controller/config/templates/admin/config/device/change_form.html
  • openwisp_controller/config/templates/admin/config/device_certificates_table.html
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_device.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/utils.py
  • openwisp_controller/config/x509_admin.py
  • openwisp_controller/pki/tests/test_api.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
  • tests/openwisp2/sample_config/models.py
  • tests/openwisp2/settings.py
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**/*.py: Mark user-facing strings for translation with Django i18n helpers in Django code
Avoid unnecessary blank lines inside function and method bodies
Be careful with authentication, authorization, queryset filtering, serializers, admin behavior, cache invalidation, signals, Celery tasks, and websocket updates in Django code
Preserve validation around templates, VPN/PKI material, SSH credentials, device commands, uploaded files, URLs, and subnet/IP data
Write comments and docstrings only when they explain why code is shaped a certain way, placing them before the relevant code block instead of scattering them inside it

In Django pull requests, mark all user-facing strings as translatable using the Django internationalization framework.

Files:

  • openwisp_controller/config/settings.py
  • openwisp_controller/config/tasks.py
  • openwisp_controller/config/models.py
  • openwisp_controller/config/handlers.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/base/device_certificate.py
  • openwisp_controller/config/api/serializers.py
  • openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/apps.py
  • openwisp_controller/config/tests/test_config.py
  • tests/openwisp2/sample_config/models.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/admin.py
  • tests/openwisp2/settings.py
  • openwisp_controller/config/base/device.py
  • openwisp_controller/config/base/vpn.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/config/base/config.py
  • openwisp_controller/config/utils.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/x509_admin.py
  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/tests/test_device.py
🧠 Learnings (9)
📚 Learning: 2026-01-15T15:05:49.557Z
Learnt from: DragnEmperor
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/config/management/commands/clear_last_ip.py:38-42
Timestamp: 2026-01-15T15:05:49.557Z
Learning: In Django projects, when using select_related() to traverse relations (for example, select_related("organization__config_settings")), the traversed relation must not be deferred. If you also use .only() in the same query, include the relation name or FK field (e.g., "organization" or "organization_id") in the .only() list to avoid the error "Field X cannot be both deferred and traversed using select_related at the same time." Apply this guideline to Django code in openwisp_controller/config/management/commands/clear_last_ip.py and similar modules by ensuring any select_related with an accompanying only() includes the related field names to prevent deferred/traversed conflicts.

Applied to files:

  • openwisp_controller/config/settings.py
  • openwisp_controller/config/tasks.py
  • openwisp_controller/config/models.py
  • openwisp_controller/config/handlers.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/base/device_certificate.py
  • openwisp_controller/config/api/serializers.py
  • openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/apps.py
  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/admin.py
  • openwisp_controller/config/base/device.py
  • openwisp_controller/config/base/vpn.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/config/base/config.py
  • openwisp_controller/config/utils.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/x509_admin.py
  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/tests/test_device.py
📚 Learning: 2026-02-17T19:13:10.088Z
Learnt from: nemesifier
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/config/whois/commands.py:0-0
Timestamp: 2026-02-17T19:13:10.088Z
Learning: In reviews for the openwisp/openwisp-controller repository, do not propose changes based on Ruff warnings. The project does not use Ruff as its linter; ignore Ruff-related suggestions and follow the repository’s established linting and configuration rules. This guidance applies to all Python files under the openwisp_controller directory.

Applied to files:

  • openwisp_controller/config/settings.py
  • openwisp_controller/config/tasks.py
  • openwisp_controller/config/models.py
  • openwisp_controller/config/handlers.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/base/device_certificate.py
  • openwisp_controller/config/api/serializers.py
  • openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/apps.py
  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/admin.py
  • openwisp_controller/config/base/device.py
  • openwisp_controller/config/base/vpn.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/config/base/config.py
  • openwisp_controller/config/utils.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/x509_admin.py
  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/tests/test_device.py
📚 Learning: 2026-01-15T15:07:17.354Z
Learnt from: DragnEmperor
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/geo/estimated_location/tests/tests.py:172-175
Timestamp: 2026-01-15T15:07:17.354Z
Learning: In this repository, flake8 enforces E501 (line too long) via setup.cfg (max-line-length = 88) while ruff ignores E501 via ruff.toml. Therefore, use '# noqa: E501' on lines that intentionally exceed 88 characters to satisfy flake8 without affecting ruff checks. This applies to Python files across the project (any .py) and is relevant for tests as well. Use sparingly and only where breaking lines is not feasible without hurting readability or functionality.

Applied to files:

  • openwisp_controller/config/settings.py
  • openwisp_controller/config/tasks.py
  • openwisp_controller/config/models.py
  • openwisp_controller/config/handlers.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/base/device_certificate.py
  • openwisp_controller/config/api/serializers.py
  • openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/apps.py
  • openwisp_controller/config/tests/test_config.py
  • tests/openwisp2/sample_config/models.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/admin.py
  • tests/openwisp2/settings.py
  • openwisp_controller/config/base/device.py
  • openwisp_controller/config/base/vpn.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/config/base/config.py
  • openwisp_controller/config/utils.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/x509_admin.py
  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/tests/test_device.py
📚 Learning: 2026-06-07T12:07:08.468Z
Learnt from: stktyagi
Repo: openwisp/openwisp-controller PR: 1378
File: openwisp_controller/config/tests/test_admin.py:2335-2335
Timestamp: 2026-06-07T12:07:08.468Z
Learning: In this project’s Python test suite (files under openwisp_controller/**/tests/), don’t require or request prose/inline comments that document the breakdown of query-count changes (e.g., assertions around template/DB query counts in helpers like _verify_template_queries). Treat query-count assertions as volatile implementation details that change frequently; review should focus on whether the test asserts the expected behavior, not on explaining the specific query-count deltas in comments.

Applied to files:

  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/tests/test_device.py
📚 Learning: 2026-06-07T12:07:24.608Z
Learnt from: stktyagi
Repo: openwisp/openwisp-controller PR: 1378
File: openwisp_controller/pki/tests/test_api.py:155-155
Timestamp: 2026-06-07T12:07:24.608Z
Learning: When reviewing Python test files in this repository, avoid recommending inline comments that explain or justify `assertNumQueries` (Django query count) expectations. Query counts can change frequently as implementations evolve, and inline explanations add maintenance burden; the expected count should be understandable without added comment blocks.

Applied to files:

  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_config.py
  • tests/openwisp2/sample_config/models.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_admin.py
  • tests/openwisp2/settings.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/tests/test_device.py
📚 Learning: 2026-06-25T12:20:18.414Z
Learnt from: dee077
Repo: openwisp/openwisp-controller PR: 1395
File: openwisp_controller/connection/base/models.py:571-572
Timestamp: 2026-06-25T12:20:18.414Z
Learning: When writing or reviewing tests that override pagination behavior via OpenWispPagination.paginate_queryset(), patch `view.pagination_page_size` (not `page_size`). The method uses `getattr(view, "pagination_page_size", self.page_size)`, so tests must set the attribute on the view to affect pagination. If the view class does not define `pagination_page_size`, using `unittest.mock.patch(..., create=True)` is intentional and correct because the attribute may not exist until patched.

Applied to files:

  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_config.py
  • tests/openwisp2/sample_config/models.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_admin.py
  • tests/openwisp2/settings.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/tests/test_device.py
📚 Learning: 2026-06-07T12:07:25.164Z
Learnt from: stktyagi
Repo: openwisp/openwisp-controller PR: 1378
File: openwisp_controller/config/tests/test_config.py:864-865
Timestamp: 2026-06-07T12:07:25.164Z
Learning: When reviewing this repo’s Python test suite, treat changes to the *expected* query count in `assertNumQueries(...)` calls as routine test maintenance. If a PR updates the numeric argument (e.g., in `test_config.py`, `test_api.py`, `test_admin.py`, `test_pki.py`) and the test remains consistent with the feature changes, reviewers should not flag the increased number as a performance regression that requires investigation solely because the count went up; instead, focus on whether the update is intentional and the surrounding test/code changes justify the revised expectation.

Applied to files:

  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/tests/test_device.py
📚 Learning: 2026-06-25T12:20:45.387Z
Learnt from: dee077
Repo: openwisp/openwisp-controller PR: 1395
File: openwisp_controller/connection/tests/test_api.py:916-932
Timestamp: 2026-06-25T12:20:45.387Z
Learning: When reviewing API pagination behavior in openwisp-controller, assume `OpenWispPagination.paginate_queryset()` allows a per-view page-size override via `getattr(view, "pagination_page_size", self.page_size)` (so `view.pagination_page_size`, if present, should affect pagination). In Python tests, it is valid to patch `pagination_page_size` on a view class even if the attribute isn’t declared on the class by default, by using `unittest.mock.patch.object(..., "pagination_page_size", ..., create=True)` so the override is available for the pagination logic during the test.

Applied to files:

  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/tests/test_device.py
📚 Learning: 2026-01-12T22:27:40.078Z
Learnt from: nemesifier
Repo: openwisp/openwisp-controller PR: 1175
File: tests/openwisp2/sample_config/migrations/0008_whoisinfo_organizationconfigsettings_whois_enabled.py:18-67
Timestamp: 2026-01-12T22:27:40.078Z
Learning: In test migrations under tests/openwisp2/sample_config/migrations, verify scenarios where a swappable model (CONFIG_WHOISINFO_MODEL) is extended with extra fields (e.g., an additional 'details' field) to ensure compatibility and no errors when swapping to a custom implementation. This pattern helps confirm that extending AbstractWHOISInfo via a custom model works as intended.

Applied to files:

  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
🪛 ast-grep (0.45.0)
openwisp_controller/config/tasks.py

[warning] 224-224: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/handlers.py

[warning] 81-81: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/base/device_certificate.py

[warning] 49-49: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Template")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 232-232: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Device")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py

[info] 105-105: use help_text to document model columns
Context: models.CharField(blank=True, max_length=64, null=True)
Note: [CWE-710] Improper Adherence to Coding Standards.

(model-help-text)

openwisp_controller/config/tests/test_selenium.py

[warning] 25-25: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("openwisp_notifications", "Notification")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/base/config.py

[warning] 194-194: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/x509_admin.py

[warning] 9-9: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Config")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 10-10: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Device")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 11-11: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/base/template.py

[warning] 40-40: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("django_x509", "Cert")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 41-41: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 358-358: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Config")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 423-423: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/tests/test_device.py

[warning] 32-32: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("django_x509", "Cert")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 33-33: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("django_x509", "Ca")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 34-34: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "OrganizationConfigSettings")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[info] 994-994: use jsonify instead of json.dumps for JSON output
Context: json.dumps(expected_cert_ids, default=str)
Note: [CWE-116] Improper Encoding or Escaping of Output.

(use-jsonify)


[warning] 1195-1195: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Template")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

🪛 HTMLHint (1.9.2)
openwisp_controller/config/templates/admin/config/device_certificates_table.html

[error] 1-1: Doctype must be declared before any non-comment content.

(doctype-first)

🔇 Additional comments (65)
docs/developer/extending.rst (1)

345-345: LGTM!

docs/index.rst (1)

40-40: LGTM!

docs/user/certificate-templates.rst (1)

1-282: LGTM!

docs/user/intro.rst (1)

38-39: LGTM!

docs/user/rest-api.rst (1)

1115-1115: LGTM!

docs/user/settings.rst (1)

311-313: LGTM!

Also applies to: 333-349, 362-378

docs/user/templates.rst (1)

212-231: LGTM!

tests/openwisp2/sample_config/models.py (2)

99-105: 📐 Maintainability & Code Quality

Confirm that the extending guide documents DeviceCertificate.

A reviewer already asked for docs/developer/extending.rst to list this model. The documentation file is not part of this context, so the update cannot be confirmed here. Extenders need the swappable model name, the setting CONFIG_DEVICECERTIFICATE_MODEL, and the sample-app declaration pattern.

#!/bin/bash
# Check whether the extending guide covers the new swappable model.
set -euo pipefail

fd -i 'extending.rst' | while IFS= read -r f; do
  echo "=== $f ==="
  rg -n -C3 'DeviceCertificate|DEVICECERTIFICATE|VpnClient' "$f" || echo "no DeviceCertificate references"
done

5-5: LGTM!

openwisp_controller/config/settings.py (1)

37-39: 📐 Maintainability & Code Quality | ⚡ Quick win

Document the new public setting.

REGENERATE_CERTS_ON_HARDWARE_CHANGE becomes the public setting OPENWISP_CONTROLLER_REGENERATE_CERTS_ON_HARDWARE_CHANGE. The default is True, so an existing deployment revokes and reissues device certificates after any device rename or MAC-address change. Document the setting, the default, and that operational effect in docs/user/settings.rst.

A reviewer also asked to correct OPENWISP_CONTROLLER_COMMON_NAME_FORMAT on the same page, because certificate templates now use it in addition to VPN clients.

#!/bin/bash
# Check documentation coverage for the new and the updated settings.
set -euo pipefail

fd -i 'settings.rst' | while IFS= read -r f; do
  echo "=== $f ==="
  rg -n -C4 'REGENERATE_CERTS_ON_HARDWARE_CHANGE|COMMON_NAME_FORMAT|DEFAULT_AUTO_CERT' "$f" || echo "no matches"
done
openwisp_controller/config/base/template.py (5)

9-9: LGTM!

Also applies to: 25-29, 40-51


74-96: LGTM!

Also applies to: 133-134


279-288: LGTM!


330-337: LGTM!


443-481: LGTM!

openwisp_controller/config/utils.py (1)

1-16: LGTM!

Also applies to: 94-107, 147-156

openwisp_controller/config/base/vpn.py (1)

36-41: LGTM!

Also applies to: 987-987, 1017-1017, 1041-1042

openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py (1)

16-20: LGTM!

Also applies to: 23-49, 80-151

openwisp_controller/config/models.py (1)

5-5: LGTM!

Also applies to: 97-105

tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py (1)

15-18: LGTM!

Also applies to: 21-47, 78-149

tests/openwisp2/settings.py (1)

295-295: LGTM!

openwisp_controller/config/api/serializers.py (1)

20-20: LGTM!

Also applies to: 42-62, 88-94, 245-245, 343-375

openwisp_controller/config/admin.py (1)

52-65: LGTM!

Also applies to: 122-126, 929-932, 1073-1110

openwisp_controller/config/static/config/js/switcher.js (1)

4-60: LGTM!

openwisp_controller/config/x509_admin.py (1)

1-126: LGTM!

openwisp_controller/config/templates/admin/config/device/change_form.html (1)

13-24: LGTM!

openwisp_controller/config/templates/admin/config/device_certificates_table.html (2)

1-54: LGTM!


59-77: LGTM!

openwisp_controller/config/static/config/css/admin.css (1)

9-9: LGTM!

Also applies to: 409-458

openwisp_controller/config/base/device_certificate.py (4)

1-47: LGTM!


49-141: LGTM!


143-224: LGTM!


226-296: LGTM!

openwisp_controller/config/apps.py (1)

168-168: LGTM!

Also applies to: 194-198, 220-224

openwisp_controller/config/handlers.py (1)

1-8: LGTM!

Also applies to: 46-93

openwisp_controller/config/tasks.py (1)

223-226: LGTM!

openwisp_controller/config/tests/test_config.py (1)

878-885: LGTM!

openwisp_controller/config/tests/test_vpn.py (1)

558-559: LGTM!

Also applies to: 575-576

openwisp_controller/pki/tests/test_api.py (1)

155-156: LGTM!

Also applies to: 247-308, 394-419

openwisp_controller/config/base/config.py (5)

67-73: LGTM!


185-198: LGTM!


613-657: LGTM!


1087-1113: LGTM!


1142-1142: LGTM!

openwisp_controller/config/base/device.py (3)

33-39: LGTM!


303-305: LGTM!

Also applies to: 315-315


324-352: LGTM!

openwisp_controller/config/tests/test_admin.py (2)

9-12: LGTM!

Also applies to: 38-41, 59-59


1761-1905: LGTM!

Also applies to: 2438-2439

openwisp_controller/config/tests/test_api.py (3)

36-36: LGTM!

Also applies to: 559-559, 747-747


1340-1525: LGTM!


1527-1563: LGTM!

openwisp_controller/config/tests/test_device.py (3)

1-11: LGTM!

Also applies to: 32-34, 43-43


748-846: LGTM!


848-1005: LGTM!

Also applies to: 1018-1077, 1080-1322

openwisp_controller/config/tests/test_selenium.py (4)

25-26: LGTM!


491-528: LGTM!


846-880: LGTM!


557-561: 📐 Maintainability & Code Quality

No change needed. Celery eager execution is enabled for tests, and the notification text assertion targets the intended message.

openwisp_controller/config/tests/test_template.py (6)

2-9: LGTM!

Also applies to: 18-18, 32-32


196-234: LGTM!

Also applies to: 633-633


1014-1102: LGTM!


1105-1314: LGTM!


1316-1563: LGTM!


1588-1730: LGTM!

Comment thread openwisp_controller/config/admin.py
Comment thread openwisp_controller/config/base/template.py
Comment thread openwisp_controller/config/base/template.py
Comment thread openwisp_controller/config/base/template.py Outdated
Comment thread openwisp_controller/config/templates/admin/config/device_certificates_table.html Outdated
Comment thread openwisp_controller/config/tests/test_api.py Outdated
Comment thread openwisp_controller/config/tests/test_device.py Outdated
Comment thread openwisp_controller/config/utils.py
Case that posts organization= and asserts that the created clone has organization is None.
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@coderabbitai coderabbitai Bot added the testing Issue related to testing or CI label Aug 11, 2026
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Actionable comments posted: 13

♻️ Duplicate comments (1)
openwisp_controller/config/tests/test_template.py (1)

1565-1586: 🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

The docstring and test name no longer match the test body.

The docstring states the test covers "a DeviceCertificate with cert=None". The body now asserts the opposite at line 1582: self.assertIsNotNone(device_cert.cert_id). No row with cert_id IS NULL is created, so the cert_id__isnull=False filter in get_unassigned_certs() is never exercised. Removing that filter would not fail this test.

Create a genuinely NULL row with auto_cert=False so the regression covers the NULL path, and keep the assigned-cert row to also cover exclusion.

💚 Proposed fix
     def test_get_unassigned_certs_with_null_device_cert(self):
         """
         Test that a DeviceCertificate with cert=None does not poison
         the get_unassigned_certs() SQL query due to NULL semantics.
         """
         org = self._get_org()
         ca = self._create_ca(name="Test-CA", organization=org)
         unassigned_cert = self._create_cert(
             name="Available-Blueprint", ca=ca, organization=org
         )
         device = self._create_device(name="Test-Device", organization=org)
         config = self._create_config(device=device)
         template = self._create_template(
             name="Test-Template", type="cert", ca=ca, organization=org, config={}
         )
         config.templates.add(template)
         device_cert = DeviceCertificate.objects.get(config=config, template=template)
         self.assertIsNotNone(device_cert.cert_id)
+        # a row with a NULL cert_id must not exclude every unassigned cert
+        null_template = self._create_template(
+            name="Null-Template", type="cert", ca=ca, organization=org, config={}
+        )
+        config.templates.add(null_template)
+        null_device_cert = DeviceCertificate.objects.get(
+            config=config, template=null_template
+        )
+        DeviceCertificate.objects.filter(pk=null_device_cert.pk).update(cert=None)
+        null_device_cert.refresh_from_db()
+        self.assertIsNone(null_device_cert.cert_id)
         choices = get_unassigned_certs()
         queryset = choices.get("pk__in")
         self.assertIsNotNone(queryset)
         self.assertIn(unassigned_cert, queryset)
+        self.assertNotIn(device_cert.cert, queryset)
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@openwisp_controller/config/tests/test_template.py` around lines 1565 - 1586,
Update test_get_unassigned_certs_with_null_device_cert to create a
DeviceCertificate with cert=None and auto_cert=False, ensuring the
get_unassigned_certs() NULL-filter path is exercised. Retain the existing
assigned certificate row and assertions so the test also verifies assigned
certificates remain excluded, and align the test setup/docstring with both
cases.

Source: Path instructions

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@openwisp_controller/config/admin.py`:
- Around line 993-996: Replace the hasattr/device.config condition in the
certificate-details logic with the existing DeviceAdmin _has_config() helper,
matching its usage in delete_view, while preserving the current
get_device_certificate_details(device.config) call when configuration is
present.
- Around line 1137-1138: Update TemplateAdmin to define list_select_related for
the ca and blueprint_cert foreign-key relations used by list_display, ensuring
both relations are selected in the template changelist and avoiding per-row
queries.

In `@openwisp_controller/config/api/serializers.py`:
- Line 362: Remove the explicit DeviceCertificate.objects.filter(...).delete()
from the config/template-clearing flow and remove the module-level
DeviceCertificate import if it becomes unused, relying on templates.clear() and
its post_clear reconciliation. Add a regression test covering an organization
change for a device using a shared required certificate template, asserting both
the DeviceCertificate row and certificate ID remain unchanged.

In `@openwisp_controller/config/base/device_certificate.py`:
- Line 163: Remove the unnecessary blank lines inside the _build_cert and
regenerate_certificates method bodies, specifically the lines separating blocks
already divided by explanatory comments. Preserve all code and comments while
keeping the methods’ existing behavior unchanged.
- Around line 82-85: Update both conditions in the DeviceCertificate clean logic
that access self.config.device.organization_id to also require self.config_id,
alongside the existing template_id and cert_id guards, so clean() does not
dereference a missing config.
- Around line 244-248: Update the select_for_update() call in the
active_device_certs query within the regeneration flow to use of=("self",),
limiting row locks to DeviceCertificate while preserving the existing
select_related("cert", "config", "template") and filtering behavior.

In `@openwisp_controller/config/base/device.py`:
- Around line 303-305: Update AbstractDevice.save() to resolve update_fields
from the fourth positional argument (args[3]) when the keyword value is absent,
matching AbstractTemplate.save(). Use this normalized value for the subsequent
field checks so unsaved fields do not trigger side effects.

In `@openwisp_controller/config/base/template.py`:
- Around line 473-478: In the type-handling logic, remove the nested auto_cert
reset under the self.type != "cert" condition and keep one explicit auto_cert
assignment based on self.type == "cert", preserving the existing certificate
behavior.
- Around line 285-294: Update the prefetch logic in the configuration
transaction around device certificates to load both DeviceCertificate and
VpnClient, then derive each reverse relation name from its model’s config field
via config.field.remote_field.get_accessor_name(). Use these derived accessors
in the corresponding Prefetch calls instead of hardcoded devicecertificate_set
or vpnclient_set values.

In
`@openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py`:
- Around line 16-20: Add swappable dependencies for settings.CONFIG_CONFIG_MODEL
and settings.CONFIG_TEMPLATE_MODEL to the dependencies list in migration
0066_template_blueprint_cert_template_ca_and_more, alongside the existing Django
X.509 dependencies, so the migration waits for the swapped Config and Template
model tables.

In
`@openwisp_controller/config/templates/admin/config/device_certificates_table.html`:
- Around line 52-62: Update the certificate status rendering in the
cert.has_cert branch so cert.is_revoked uses the negative icon and non-revoked
certificates use the positive icon, preserving the existing “Pending Generation”
output for certificates without a certificate.

In `@openwisp_controller/config/tests/test_device.py`:
- Around line 1330-1334: Update test_post_delete_object_does_not_exist to assert
that dc.cert.revoke was called exactly once with no arguments after invoking
DeviceCertificate.post_delete, preserving the existing ObjectDoesNotExist setup.

In `@openwisp_controller/config/x509_admin.py`:
- Around line 28-40: The __init__ method currently accesses the private
admin_site._registry mapping and can raise KeyError when Device is not
registered there. Resolve the Device admin through the supported get_model_admin
mechanism, following the existing plan in config/admin.py; if compatibility
requires a fallback, guard the lookup and let get_queryset_for_field degrade
safely when no admin is available.

---

Duplicate comments:
In `@openwisp_controller/config/tests/test_template.py`:
- Around line 1565-1586: Update test_get_unassigned_certs_with_null_device_cert
to create a DeviceCertificate with cert=None and auto_cert=False, ensuring the
get_unassigned_certs() NULL-filter path is exercised. Retain the existing
assigned certificate row and assertions so the test also verifies assigned
certificates remain excluded, and align the test setup/docstring with both
cases.
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📒 Files selected for processing (37)
  • docs/developer/extending.rst
  • docs/index.rst
  • docs/user/certificate-templates.rst
  • docs/user/intro.rst
  • docs/user/rest-api.rst
  • docs/user/settings.rst
  • docs/user/templates.rst
  • openwisp_controller/config/admin.py
  • openwisp_controller/config/api/serializers.py
  • openwisp_controller/config/apps.py
  • openwisp_controller/config/base/config.py
  • openwisp_controller/config/base/device.py
  • openwisp_controller/config/base/device_certificate.py
  • openwisp_controller/config/base/template.py
  • openwisp_controller/config/base/vpn.py
  • openwisp_controller/config/handlers.py
  • openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/models.py
  • openwisp_controller/config/settings.py
  • openwisp_controller/config/static/config/css/admin.css
  • openwisp_controller/config/static/config/js/switcher.js
  • openwisp_controller/config/tasks.py
  • openwisp_controller/config/templates/admin/config/device/change_form.html
  • openwisp_controller/config/templates/admin/config/device_certificates_table.html
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_device.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/utils.py
  • openwisp_controller/config/x509_admin.py
  • openwisp_controller/pki/tests/test_api.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
  • tests/openwisp2/sample_config/models.py
  • tests/openwisp2/settings.py
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Files:

  • docs/developer/extending.rst
  • docs/user/rest-api.rst
  • docs/user/intro.rst
  • docs/user/templates.rst
  • docs/index.rst
  • docs/user/settings.rst
  • docs/user/certificate-templates.rst
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  • Flag outdated or incorrect comments/docstrings

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Files:

  • docs/developer/extending.rst
  • docs/user/rest-api.rst
  • openwisp_controller/config/models.py
  • openwisp_controller/config/tests/test_config.py
  • tests/openwisp2/settings.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/settings.py
  • docs/user/intro.rst
  • docs/user/templates.rst
  • openwisp_controller/config/static/config/css/admin.css
  • openwisp_controller/config/templates/admin/config/device/change_form.html
  • docs/index.rst
  • openwisp_controller/config/tasks.py
  • openwisp_controller/config/base/vpn.py
  • docs/user/settings.rst
  • docs/user/certificate-templates.rst
  • openwisp_controller/config/templates/admin/config/device_certificates_table.html
  • openwisp_controller/config/handlers.py
  • tests/openwisp2/sample_config/models.py
  • openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/base/device_certificate.py
  • openwisp_controller/config/apps.py
  • openwisp_controller/config/static/config/js/switcher.js
  • openwisp_controller/config/api/serializers.py
  • openwisp_controller/config/x509_admin.py
  • openwisp_controller/config/admin.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/base/config.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/base/device.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/utils.py
  • openwisp_controller/config/tests/test_device.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/base/template.py
**/*.py

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Avoid unnecessary blank lines inside function and method bodies
Be careful with authentication, authorization, queryset filtering, serializers, admin behavior, cache invalidation, signals, Celery tasks, and websocket updates in Django code
Preserve validation around templates, VPN/PKI material, SSH credentials, device commands, uploaded files, URLs, and subnet/IP data
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Files:

  • openwisp_controller/config/models.py
  • openwisp_controller/config/tests/test_config.py
  • tests/openwisp2/settings.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/settings.py
  • openwisp_controller/config/tasks.py
  • openwisp_controller/config/base/vpn.py
  • openwisp_controller/config/handlers.py
  • tests/openwisp2/sample_config/models.py
  • openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/base/device_certificate.py
  • openwisp_controller/config/apps.py
  • openwisp_controller/config/api/serializers.py
  • openwisp_controller/config/x509_admin.py
  • openwisp_controller/config/admin.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/base/config.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/base/device.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/utils.py
  • openwisp_controller/config/tests/test_device.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/base/template.py
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Flag tests that depend on arbitrary sleeps, uncontrolled system time,
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Files:

  • openwisp_controller/config/tests/test_config.py
  • tests/openwisp2/settings.py
  • openwisp_controller/config/tests/test_vpn.py
  • tests/openwisp2/sample_config/models.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_device.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
🧠 Learnings (9)
📚 Learning: 2026-01-15T15:05:49.557Z
Learnt from: DragnEmperor
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/config/management/commands/clear_last_ip.py:38-42
Timestamp: 2026-01-15T15:05:49.557Z
Learning: In Django projects, when using select_related() to traverse relations (for example, select_related("organization__config_settings")), the traversed relation must not be deferred. If you also use .only() in the same query, include the relation name or FK field (e.g., "organization" or "organization_id") in the .only() list to avoid the error "Field X cannot be both deferred and traversed using select_related at the same time." Apply this guideline to Django code in openwisp_controller/config/management/commands/clear_last_ip.py and similar modules by ensuring any select_related with an accompanying only() includes the related field names to prevent deferred/traversed conflicts.

Applied to files:

  • openwisp_controller/config/models.py
  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/settings.py
  • openwisp_controller/config/tasks.py
  • openwisp_controller/config/base/vpn.py
  • openwisp_controller/config/handlers.py
  • openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/base/device_certificate.py
  • openwisp_controller/config/apps.py
  • openwisp_controller/config/api/serializers.py
  • openwisp_controller/config/x509_admin.py
  • openwisp_controller/config/admin.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/base/config.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/base/device.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/utils.py
  • openwisp_controller/config/tests/test_device.py
  • openwisp_controller/config/base/template.py
📚 Learning: 2026-02-17T19:13:10.088Z
Learnt from: nemesifier
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/config/whois/commands.py:0-0
Timestamp: 2026-02-17T19:13:10.088Z
Learning: In reviews for the openwisp/openwisp-controller repository, do not propose changes based on Ruff warnings. The project does not use Ruff as its linter; ignore Ruff-related suggestions and follow the repository’s established linting and configuration rules. This guidance applies to all Python files under the openwisp_controller directory.

Applied to files:

  • openwisp_controller/config/models.py
  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/settings.py
  • openwisp_controller/config/tasks.py
  • openwisp_controller/config/base/vpn.py
  • openwisp_controller/config/handlers.py
  • openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/base/device_certificate.py
  • openwisp_controller/config/apps.py
  • openwisp_controller/config/api/serializers.py
  • openwisp_controller/config/x509_admin.py
  • openwisp_controller/config/admin.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/base/config.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/base/device.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/utils.py
  • openwisp_controller/config/tests/test_device.py
  • openwisp_controller/config/base/template.py
📚 Learning: 2026-01-15T15:07:17.354Z
Learnt from: DragnEmperor
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/geo/estimated_location/tests/tests.py:172-175
Timestamp: 2026-01-15T15:07:17.354Z
Learning: In this repository, flake8 enforces E501 (line too long) via setup.cfg (max-line-length = 88) while ruff ignores E501 via ruff.toml. Therefore, use '# noqa: E501' on lines that intentionally exceed 88 characters to satisfy flake8 without affecting ruff checks. This applies to Python files across the project (any .py) and is relevant for tests as well. Use sparingly and only where breaking lines is not feasible without hurting readability or functionality.

Applied to files:

  • openwisp_controller/config/models.py
  • openwisp_controller/config/tests/test_config.py
  • tests/openwisp2/settings.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/settings.py
  • openwisp_controller/config/tasks.py
  • openwisp_controller/config/base/vpn.py
  • openwisp_controller/config/handlers.py
  • tests/openwisp2/sample_config/models.py
  • openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/base/device_certificate.py
  • openwisp_controller/config/apps.py
  • openwisp_controller/config/api/serializers.py
  • openwisp_controller/config/x509_admin.py
  • openwisp_controller/config/admin.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/base/config.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/base/device.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/utils.py
  • openwisp_controller/config/tests/test_device.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
  • openwisp_controller/config/base/template.py
📚 Learning: 2026-06-07T12:07:08.468Z
Learnt from: stktyagi
Repo: openwisp/openwisp-controller PR: 1378
File: openwisp_controller/config/tests/test_admin.py:2335-2335
Timestamp: 2026-06-07T12:07:08.468Z
Learning: In this project’s Python test suite (files under openwisp_controller/**/tests/), don’t require or request prose/inline comments that document the breakdown of query-count changes (e.g., assertions around template/DB query counts in helpers like _verify_template_queries). Treat query-count assertions as volatile implementation details that change frequently; review should focus on whether the test asserts the expected behavior, not on explaining the specific query-count deltas in comments.

Applied to files:

  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_device.py
📚 Learning: 2026-06-07T12:07:24.608Z
Learnt from: stktyagi
Repo: openwisp/openwisp-controller PR: 1378
File: openwisp_controller/pki/tests/test_api.py:155-155
Timestamp: 2026-06-07T12:07:24.608Z
Learning: When reviewing Python test files in this repository, avoid recommending inline comments that explain or justify `assertNumQueries` (Django query count) expectations. Query counts can change frequently as implementations evolve, and inline explanations add maintenance burden; the expected count should be understandable without added comment blocks.

Applied to files:

  • openwisp_controller/config/tests/test_config.py
  • tests/openwisp2/settings.py
  • openwisp_controller/config/tests/test_vpn.py
  • tests/openwisp2/sample_config/models.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_device.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
📚 Learning: 2026-06-25T12:20:18.414Z
Learnt from: dee077
Repo: openwisp/openwisp-controller PR: 1395
File: openwisp_controller/connection/base/models.py:571-572
Timestamp: 2026-06-25T12:20:18.414Z
Learning: When writing or reviewing tests that override pagination behavior via OpenWispPagination.paginate_queryset(), patch `view.pagination_page_size` (not `page_size`). The method uses `getattr(view, "pagination_page_size", self.page_size)`, so tests must set the attribute on the view to affect pagination. If the view class does not define `pagination_page_size`, using `unittest.mock.patch(..., create=True)` is intentional and correct because the attribute may not exist until patched.

Applied to files:

  • openwisp_controller/config/tests/test_config.py
  • tests/openwisp2/settings.py
  • openwisp_controller/config/tests/test_vpn.py
  • tests/openwisp2/sample_config/models.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_device.py
  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
📚 Learning: 2026-06-07T12:07:25.164Z
Learnt from: stktyagi
Repo: openwisp/openwisp-controller PR: 1378
File: openwisp_controller/config/tests/test_config.py:864-865
Timestamp: 2026-06-07T12:07:25.164Z
Learning: When reviewing this repo’s Python test suite, treat changes to the *expected* query count in `assertNumQueries(...)` calls as routine test maintenance. If a PR updates the numeric argument (e.g., in `test_config.py`, `test_api.py`, `test_admin.py`, `test_pki.py`) and the test remains consistent with the feature changes, reviewers should not flag the increased number as a performance regression that requires investigation solely because the count went up; instead, focus on whether the update is intentional and the surrounding test/code changes justify the revised expectation.

Applied to files:

  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_device.py
📚 Learning: 2026-06-25T12:20:45.387Z
Learnt from: dee077
Repo: openwisp/openwisp-controller PR: 1395
File: openwisp_controller/connection/tests/test_api.py:916-932
Timestamp: 2026-06-25T12:20:45.387Z
Learning: When reviewing API pagination behavior in openwisp-controller, assume `OpenWispPagination.paginate_queryset()` allows a per-view page-size override via `getattr(view, "pagination_page_size", self.page_size)` (so `view.pagination_page_size`, if present, should affect pagination). In Python tests, it is valid to patch `pagination_page_size` on a view class even if the attribute isn’t declared on the class by default, by using `unittest.mock.patch.object(..., "pagination_page_size", ..., create=True)` so the override is available for the pagination logic during the test.

Applied to files:

  • openwisp_controller/config/tests/test_config.py
  • openwisp_controller/config/tests/test_vpn.py
  • openwisp_controller/config/tests/test_api.py
  • openwisp_controller/config/tests/test_selenium.py
  • openwisp_controller/pki/tests/test_api.py
  • openwisp_controller/config/tests/test_admin.py
  • openwisp_controller/config/tests/test_template.py
  • openwisp_controller/config/tests/test_device.py
📚 Learning: 2026-01-12T22:27:40.078Z
Learnt from: nemesifier
Repo: openwisp/openwisp-controller PR: 1175
File: tests/openwisp2/sample_config/migrations/0008_whoisinfo_organizationconfigsettings_whois_enabled.py:18-67
Timestamp: 2026-01-12T22:27:40.078Z
Learning: In test migrations under tests/openwisp2/sample_config/migrations, verify scenarios where a swappable model (CONFIG_WHOISINFO_MODEL) is extended with extra fields (e.g., an additional 'details' field) to ensure compatibility and no errors when swapping to a custom implementation. This pattern helps confirm that extending AbstractWHOISInfo via a custom model works as intended.

Applied to files:

  • tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
🪛 ast-grep (0.45.1)
openwisp_controller/config/tasks.py

[warning] 224-224: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/handlers.py

[warning] 81-81: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/base/device_certificate.py

[warning] 49-49: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Template")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 232-232: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Device")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/x509_admin.py

[warning] 9-9: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Config")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 10-10: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Device")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 11-11: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/base/config.py

[warning] 194-194: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/tests/test_selenium.py

[warning] 25-25: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("openwisp_notifications", "Notification")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

openwisp_controller/config/tests/test_device.py

[warning] 32-32: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("django_x509", "Cert")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 33-33: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("django_x509", "Ca")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 34-34: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "OrganizationConfigSettings")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[info] 994-994: use jsonify instead of json.dumps for JSON output
Context: json.dumps(expected_cert_ids, default=str)
Note: [CWE-116] Improper Encoding or Escaping of Output.

(use-jsonify)


[warning] 1207-1207: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Template")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py

[info] 105-105: use help_text to document model columns
Context: models.CharField(blank=True, max_length=64, null=True)
Note: [CWE-710] Improper Adherence to Coding Standards.

(model-help-text)

openwisp_controller/config/base/template.py

[warning] 42-42: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("django_x509", "Cert")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 43-43: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 364-364: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "Config")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)


[warning] 429-429: Loading a Keras model from an untrusted file can execute arbitrary code via Lambda layers or custom objects. Load only trusted models and avoid deserializing custom objects from untrusted sources.
Context: load_model("config", "DeviceCertificate")
Note: [CWE-502] Deserialization of Untrusted Data.

(keras-load-model-python)

🪛 HTMLHint (1.9.2)
openwisp_controller/config/templates/admin/config/device_certificates_table.html

[error] 1-1: Doctype must be declared before any non-comment content.

(doctype-first)

🔇 Additional comments (52)
docs/developer/extending.rst (1)

345-345: LGTM!

docs/index.rst (1)

40-40: LGTM!

docs/user/certificate-templates.rst (1)

1-283: LGTM!

docs/user/intro.rst (1)

38-39: LGTM!

docs/user/rest-api.rst (1)

1114-1115: LGTM!

docs/user/settings.rst (1)

300-313: LGTM!

Also applies to: 333-349, 362-378

docs/user/templates.rst (1)

212-231: LGTM!

openwisp_controller/config/handlers.py (1)

46-53: LGTM!

Also applies to: 56-93

openwisp_controller/config/base/device.py (1)

33-39: LGTM!

Also applies to: 324-352, 354-380, 382-382, 391-391, 402-405

openwisp_controller/config/tests/test_admin.py (1)

13-13: LGTM!

Also applies to: 39-42, 60-60, 1767-1802, 1804-1814, 1816-1855, 1857-1911, 2444-2445, 2508-2529

openwisp_controller/config/tests/test_api.py (1)

36-36: LGTM!

Also applies to: 559-559, 747-747, 1340-1372, 1374-1389, 1391-1410, 1412-1435, 1437-1469, 1471-1504, 1506-1525, 1527-1563, 1565-1639

openwisp_controller/config/tests/test_config.py (1)

878-884: LGTM!

openwisp_controller/config/tests/test_device.py (1)

1-11: LGTM!

Also applies to: 32-34, 43-43, 748-845, 848-938, 940-1005, 1007-1089, 1092-1114, 1116-1192, 1194-1328

openwisp_controller/config/tests/test_selenium.py (1)

25-26: LGTM!

Also applies to: 491-528, 530-561, 846-880

openwisp_controller/config/tests/test_template.py (1)

2-9: LGTM!

Also applies to: 18-18, 32-32, 196-234, 633-633, 1015-1024, 1026-1048, 1050-1102, 1105-1244, 1246-1314, 1316-1447, 1449-1478, 1480-1563, 1588-1610, 1612-1662, 1664-1730

openwisp_controller/config/tests/test_vpn.py (1)

558-558: LGTM!

Also applies to: 575-575

openwisp_controller/pki/tests/test_api.py (1)

155-155: LGTM!

Also applies to: 247-270, 272-275, 288-308, 394-394, 405-405, 414-414

openwisp_controller/config/base/template.py (4)

42-51: LGTM!

Also applies to: 76-98, 135-136


150-228: LGTM!


336-343: LGTM!

Also applies to: 345-392, 394-447


507-520: LGTM!

openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py (1)

22-152: LGTM!

openwisp_controller/config/models.py (1)

5-5: LGTM!

Also applies to: 97-104

tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py (1)

15-150: LGTM!

openwisp_controller/config/admin.py (2)

53-53: LGTM!

Also applies to: 66-66, 123-127


1152-1174: LGTM!

Also applies to: 1221-1224

openwisp_controller/config/static/config/js/switcher.js (1)

4-15: LGTM!

Also applies to: 42-55, 57-60

openwisp_controller/config/x509_admin.py (1)

43-60: LGTM!

Also applies to: 63-126

openwisp_controller/config/templates/admin/config/device_certificates_table.html (1)

1-51: LGTM!

Also applies to: 63-77

openwisp_controller/config/static/config/css/admin.css (2)

9-9: LGTM!

Also applies to: 409-414, 419-433


415-418: 🎯 Functional Correctness

Confirm the CSS custom properties in openwisp-utils 1.3. This repository does not define --ow-color-fg-ghost, --ow-color-fg-darker, or --ow-color-white. If the dependency does not define them, add fallbacks so the tooltip remains readable.

openwisp_controller/config/templates/admin/config/device/change_form.html (1)

13-24: 🩺 Stability & Availability

No issue: i18n is loaded. The template header contains {% load admin_urls i18n l10n %}, so {% trans %} is available.

			> Likely an incorrect or invalid review comment.
tests/openwisp2/sample_config/models.py (2)

99-105: Document the new swappable model in docs/developer/extending.rst.

DeviceCertificate is a new swappable model. The extending guide lists the models and settings that a derivative app must define. Add DeviceCertificate and CONFIG_DEVICECERTIFICATE_MODEL there.


5-5: LGTM!

openwisp_controller/config/settings.py (1)

37-39: Document OPENWISP_CONTROLLER_REGENERATE_CERTS_ON_HARDWARE_CHANGE.

This adds a public setting. Add it to docs/user/settings.rst. Also update the OPENWISP_CONTROLLER_COMMON_NAME_FORMAT entry, because standalone certificate templates now use that format through generate_common_name.

openwisp_controller/config/utils.py (2)

1-7: LGTM!

Also applies to: 16-17, 110-112, 115-131, 134-144, 147-156


94-107: LGTM!

openwisp_controller/config/base/vpn.py (2)

36-41: LGTM!

Also applies to: 987-987, 1017-1017


1041-1042: 🗄️ Data Integrity & Integration

Confirm the intended OU for VPN client certificates.

copy_ca_attributes(ca) now copies organizational_unit_name into each new VPN client certificate. Existing coverage checks OU copying for blueprint-based certificates, but no VPN-specific assertion exists. Confirm that consumers accept the CA OU in the certificate subject.

tests/openwisp2/settings.py (1)

295-295: LGTM!

openwisp_controller/config/base/device_certificate.py (4)

1-21: LGTM!

Also applies to: 24-47


49-81: LGTM!

Also applies to: 86-121, 126-134


136-141: LGTM!

Also applies to: 143-156, 158-175, 177-190, 192-200, 202-207, 209-215, 217-223


225-243: LGTM!

Also applies to: 249-296

openwisp_controller/config/base/config.py (3)

67-73: LGTM!

Also applies to: 185-198


613-657: LGTM!


1087-1114: LGTM!

Also applies to: 1142-1142

openwisp_controller/config/apps.py (1)

168-168: LGTM!

Also applies to: 194-198, 220-224

openwisp_controller/config/tasks.py (1)

223-226: LGTM!

openwisp_controller/config/api/serializers.py (3)

20-20: LGTM!

Also applies to: 42-43, 53-62


79-94: LGTM!


343-361: LGTM!

Also applies to: 363-375

Comment thread openwisp_controller/config/admin.py
Comment thread openwisp_controller/config/admin.py Outdated
Comment thread openwisp_controller/config/api/serializers.py
Comment on lines +82 to +85
if (
self.template.organization_id
and self.config.device.organization_id != self.template.organization_id
):

@coderabbitai coderabbitai Bot Aug 11, 2026

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🩺 Stability & Availability | 🟠 Major | ⚡ Quick win

Guard the device lookups with self.config_id.

Lines 84 and 124 read self.config.device.organization_id. The enclosing conditions test only self.template_id and self.cert_id. Model.full_clean() calls clean() even when clean_fields() already reported the missing config. A DeviceCertificate that has a template or a certificate but no config therefore raises RelatedObjectDoesNotExist from clean() instead of returning a field error.

Add the config_id check to both conditions.

🐛 Proposed fix
             if (
-                self.template.organization_id
+                self.config_id
+                and self.template.organization_id
                 and self.config.device.organization_id != self.template.organization_id
             ):
             if (
-                self.cert.organization_id
+                self.config_id
+                and self.cert.organization_id
                 and self.config.device.organization_id != self.cert.organization_id
             ):

Also applies to: 122-125

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@openwisp_controller/config/base/device_certificate.py` around lines 82 - 85,
Update both conditions in the DeviceCertificate clean logic that access
self.config.device.organization_id to also require self.config_id, alongside the
existing template_id and cert_id guards, so clean() does not dereference a
missing config.

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This is correct and should be fixed. full_clean() on an incomplete instance currently raises RelatedObjectDoesNotExist while evaluating either organization check, instead of returning the expected validation errors. Please guard both dereferences with self.config_id and add an incomplete-instance regression test.

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🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
set -euo pipefail

ast-grep outline openwisp_controller/config/base/device_certificate.py --match AbstractDeviceCertificate --view expanded
sed -n '45,140p' openwisp_controller/config/base/device_certificate.py

ast-grep outline openwisp_controller/config/tests/test_device.py --match 'TestDeviceCertificateModel|DeviceCertificate' --view expanded
rg -n -C 5 'full_clean\(\)|RelatedObjectDoesNotExist|organization_id|TestDeviceCertificateModel' \
  openwisp_controller/config/tests/test_device.py

Length of output: 20800


🏁 Script executed:

#!/bin/bash
set -euo pipefail

rg -n -C 4 'DeviceCertificate\(|ValidationError|assertRaises|assertRaisesMessage' \
  openwisp_controller/config/tests/test_device.py

rg -n -C 4 'class .*Factory|def create_.*cert|Cert\.objects|Ca\.objects' \
  openwisp_controller/config/tests/test_device.py

Length of output: 10734


@nemesifier, verification confirms the failure path.

AbstractDeviceCertificate.clean() accesses self.config.device.organization_id in both organization checks without verifying self.config_id. Existing tests in TestDeviceCertificateModel cover organization mismatches, but do not cover incomplete instances.

The change should:

  1. Add self.config_id to both organization-check conditions.
  2. Add regression cases for an incomplete instance with an organization-scoped certificate template and for one with an organization-scoped certificate.
  3. Assert that full_clean() raises ValidationError with the expected missing config field error.

🐇 ✅


✏️ Learnings added
Learnt from: nemesifier
Repo: openwisp/openwisp-controller PR: 1378
File: openwisp_controller/config/base/device_certificate.py:82-85
Timestamp: 2026-08-12T23:29:14.072Z
Learning: In `openwisp_controller/config/base/device_certificate.py`, `AbstractDeviceCertificate.clean()` must guard every access to `self.config.device` with `self.config_id`. Django `Model.full_clean()` invokes `clean()` even if `clean_fields()` found a missing required `config`, so an incomplete `DeviceCertificate` must raise `ValidationError` instead of `RelatedObjectDoesNotExist`.

Note: Learnings are effective only in the context of similar code segments. To apply general coding guidelines, please configure review instructions. You can manage existing learnings in the app.

You are interacting with an AI system.

Comment thread openwisp_controller/config/base/device_certificate.py
Comment thread openwisp_controller/config/base/template.py
Comment on lines +16 to +20
dependencies = [
("config", "0065_whoisinfo_unreferenced_since"),
migrations.swappable_dependency(settings.DJANGO_X509_CA_MODEL),
migrations.swappable_dependency(settings.DJANGO_X509_CERT_MODEL),
]

@coderabbitai coderabbitai Bot Aug 11, 2026

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🗄️ Data Integrity & Integration | 🟠 Major | ⚡ Quick win

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
# Description: Check how earlier config migrations declare dependencies for swappable Config/Template models.
rg -n 'swappable_dependency\(' openwisp_controller/config/migrations | head -40
rg -n -C3 'CONFIG_CONFIG_MODEL|CONFIG_TEMPLATE_MODEL' openwisp_controller/config/migrations | head -60

Repository: openwisp/openwisp-controller

Length of output: 5741


🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- migration 0066 ---'
sed -n '1,180p' openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py
printf '%s\n' '--- migration 0001 and model declarations ---'
rg -n -C4 'class (Config|Template)|swappable|CONFIG_CONFIG_MODEL|CONFIG_TEMPLATE_MODEL' openwisp_controller/config openwisp_controller --glob '*.py' | head -160
printf '%s\n' '--- migration dependencies around config models ---'
for f in openwisp_controller/config/migrations/0043_devicegroup_templates.py openwisp_controller/config/migrations/0056_vpnclient_template.py openwisp_controller/config/migrations/0058_alter_vpnclient_template.py; do
  echo "### $f"
  sed -n '1,45p' "$f"
done

Repository: openwisp/openwisp-controller

Length of output: 19860


🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- exact model and setting definitions ---'
rg -n -C6 'swappable_setting\("config"|CONFIG_CONFIG_MODEL|CONFIG_TEMPLATE_MODEL|class (Config|Template)\b' . --glob '*.py' --glob '*.toml' --glob '*.ini' --glob '*.cfg' --glob '*.yaml' --glob '*.yml' | head -240
printf '%s\n' '--- config migration dependency graph ---'
python3 - <<'PY'
from pathlib import Path
import ast

root = Path("openwisp_controller/config/migrations")
for path in sorted(root.glob("*.py")):
    tree = ast.parse(path.read_text())
    deps = None
    for node in tree.body:
        if isinstance(node, ast.ClassDef) and node.name == "Migration":
            for item in node.body:
                if isinstance(item, ast.Assign) and any(
                    isinstance(t, ast.Name) and t.id == "dependencies" for t in item.targets
                ):
                    deps = ast.unparse(item.value)
    if deps and ("CONFIG_" in deps or path.name.startswith(("0043", "0056", "0066"))):
        print(path.name, "=>", deps)
PY
printf '%s\n' '--- migration files that define config/template models ---'
rg -l 'CreateModel\(\s*$' openwisp_controller/config/migrations --glob '*.py' | head -20
rg -n -C3 'name="(config|template)"|name="Config"|name="Template"' openwisp_controller/config/migrations/000*.py | head -160

Repository: openwisp/openwisp-controller

Length of output: 27426


🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- migration files for swapped test app ---'
git ls-files tests/openwisp2/sample_config/migrations tests/openwisp2/sample_config | head -80
printf '%s\n' '--- initial config migration dependencies and swappable metadata ---'
sed -n '1,75p' openwisp_controller/config/migrations/0001_squashed_0002_config_settings_uuid.py
rg -n -C4 '"swappable"|CONFIG_CONFIG_MODEL|CONFIG_TEMPLATE_MODEL' openwisp_controller/config/migrations/0001_squashed_0002_config_settings_uuid.py
printf '%s\n' '--- sample config migration declarations ---'
if [ -d tests/openwisp2/sample_config/migrations ]; then
  for f in tests/openwisp2/sample_config/migrations/*.py; do
    echo "### $f"
    sed -n '1,42p' "$f"
  done
fi
printf '%s\n' '--- Django availability and swappable_dependency implementation ---'
python3 - <<'PY'
try:
    import django
    from django.db.migrations import swappable_dependency
    import inspect
    print("django", django.get_version())
    print(inspect.getsource(swappable_dependency))
except Exception as exc:
    print(type(exc).__name__, str(exc))
PY

Repository: openwisp/openwisp-controller

Length of output: 4055


🏁 Script executed:

#!/bin/bash
printf '%s\n' '--- swapped-app migration 0012 ---'
sed -n '1,42p' tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
printf '%s\n' '--- swapped-app migration 0001 dependencies ---'
sed -n '1,32p' tests/openwisp2/sample_config/migrations/0001_initial.py
printf '%s\n' '--- Django swappable_dependency implementation ---'
python3 - <<'PY'
try:
    import django
    from django.db.migrations import swappable_dependency
    import inspect
    print("django", django.get_version())
    print(inspect.getsource(swappable_dependency))
except Exception as exc:
    print(type(exc).__name__, str(exc))
PY
printf '%s\n' '--- compare dependency blocks ---'
python3 - <<'PY'
from pathlib import Path
for name in (
    "openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py",
    "tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py",
):
    text = Path(name).read_text()
    start = text.index("    dependencies = [")
    end = text.index("    operations = [", start)
    print(name)
    print(text[start:end], end="")
PY

Repository: openwisp/openwisp-controller

Length of output: 3256


🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- full swapped-app migration 0012 ---'
sed -n '1,190p' tests/openwisp2/sample_config/migrations/0012_template_blueprint_cert_template_ca_and_more.py
printf '%s\n' '--- all sample_config migration dependencies ---'
python3 - <<'PY'
from pathlib import Path
import ast
for path in sorted(Path("tests/openwisp2/sample_config/migrations").glob("*.py")):
    try:
        tree = ast.parse(path.read_text())
    except SyntaxError:
        continue
    for node in tree.body:
        if isinstance(node, ast.ClassDef) and node.name == "Migration":
            for item in node.body:
                if isinstance(item, ast.Assign) and any(
                    isinstance(t, ast.Name) and t.id == "dependencies" for t in item.targets
                ):
                    print(path.name, "=>", ast.unparse(item.value))
PY
printf '%s\n' '--- swapper dependency usage in migrations ---'
rg -n -C3 'swapper\.(dependency|split)|dependency\(\*split|swappable_dependency' . --glob '*/migrations/*.py' --glob '*.py' | head -220
printf '%s\n' '--- test settings for all CONFIG model swaps ---'
sed -n '270,305p' tests/openwisp2/settings.py

Repository: openwisp/openwisp-controller

Length of output: 24998


🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- migration execution helpers and tests ---'
sed -n '1,180p' openwisp_controller/migrations.py
rg -n -C5 'migrat|MigrationExecutor|sample_config|CONFIG_TEMPLATE_MODEL|CONFIG_CONFIG_MODEL' tests --glob '*.py' | head -260
printf '%s\n' '--- model Meta swappability and abstract relations ---'
sed -n '1,155p' openwisp_controller/config/models.py
rg -n -C8 'class Abstract(DeviceCertificate|Config|Template)|ForeignKey\(.*config|ForeignKey\(.*template' openwisp_controller/config/base openwisp_controller/config --glob '*.py' | head -220

Repository: openwisp/openwisp-controller

Length of output: 41258


Add swappable dependencies for Config and Template.

Add migrations.swappable_dependency(settings.CONFIG_CONFIG_MODEL) and migrations.swappable_dependency(settings.CONFIG_TEMPLATE_MODEL). Without them, 0066_template_blueprint_cert_template_ca_and_more can run before the swapped model tables exist.

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In
`@openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py`
around lines 16 - 20, Add swappable dependencies for
settings.CONFIG_CONFIG_MODEL and settings.CONFIG_TEMPLATE_MODEL to the
dependencies list in migration
0066_template_blueprint_cert_template_ca_and_more, alongside the existing Django
X.509 dependencies, so the migration waits for the swapped Config and Template
model tables.

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The concern is valid if Config or Template can be swapped independently while DeviceCertificate remains in the default app. I have not included it among the immediate blockers because that support boundary needs maintainer confirmation.

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@nemesifier, agreed. The dependency is required only if independent swapping of Config or Template is supported while DeviceCertificate remains in the default config app.

I will keep this thread open pending confirmation of that support boundary. If that configuration is supported, 0066_template_blueprint_cert_template_ca_and_more must add the two migrations.swappable_dependency(...) entries.


✏️ Learnings added
Learnt from: nemesifier
Repo: openwisp/openwisp-controller PR: 1378
File: openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py:16-20
Timestamp: 2026-08-12T23:28:59.273Z
Learning: For openwisp/openwisp-controller migration `openwisp_controller/config/migrations/0066_template_blueprint_cert_template_ca_and_more.py`, dependencies on `settings.CONFIG_CONFIG_MODEL` and `settings.CONFIG_TEMPLATE_MODEL` are required only if `Config` or `Template` can be swapped independently while `DeviceCertificate` remains in the default `config` app. This support boundary requires maintainer confirmation.

Note: Learnings are effective only in the context of similar code segments. To apply general coding guidelines, please configure review instructions. You can manage existing learnings in the app.


🧠 Learnings used
Learnt from: DragnEmperor
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/config/management/commands/clear_last_ip.py:38-42
Timestamp: 2026-01-15T15:05:49.557Z
Learning: In Django projects, when using select_related() to traverse relations (for example, select_related("organization__config_settings")), the traversed relation must not be deferred. If you also use .only() in the same query, include the relation name or FK field (e.g., "organization" or "organization_id") in the .only() list to avoid the error "Field X cannot be both deferred and traversed using select_related at the same time." Apply this guideline to Django code in openwisp_controller/config/management/commands/clear_last_ip.py and similar modules by ensuring any select_related with an accompanying only() includes the related field names to prevent deferred/traversed conflicts.

Learnt from: DragnEmperor
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/geo/estimated_location/tests/tests.py:172-175
Timestamp: 2026-01-15T15:07:17.354Z
Learning: In this repository, flake8 enforces E501 (line too long) via setup.cfg (max-line-length = 88) while ruff ignores E501 via ruff.toml. Therefore, use '# noqa: E501' on lines that intentionally exceed 88 characters to satisfy flake8 without affecting ruff checks. This applies to Python files across the project (any .py) and is relevant for tests as well. Use sparingly and only where breaking lines is not feasible without hurting readability or functionality.

Learnt from: nemesifier
Repo: openwisp/openwisp-controller PR: 1175
File: openwisp_controller/config/whois/commands.py:0-0
Timestamp: 2026-02-17T19:13:10.088Z
Learning: In reviews for the openwisp/openwisp-controller repository, do not propose changes based on Ruff warnings. The project does not use Ruff as its linter; ignore Ruff-related suggestions and follow the repository’s established linting and configuration rules. This guidance applies to all Python files under the openwisp_controller directory.

You are interacting with an AI system.

Comment thread openwisp_controller/config/tests/test_device.py
Comment thread openwisp_controller/config/x509_admin.py

@nemesifier nemesifier left a comment

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I found six correctness issues that need to be addressed before merging. The inline comments contain the reproductions and smallest fixes. I also reviewed the latest CodeRabbit findings directly in their threads; three are valid correctness issues, while the remaining suggestions are invalid, cosmetic, or non-blocking.

certificate or a certificate not linked to a VpnClient or
DeviceCertificate does not affect any configuration.
"""
if cert.revoked:

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I can revoke an assigned standalone certificate from the PKI admin/API and the configuration remains applied while get_cert_context() continues exposing the revoked certificate and its private key. This early return prevents checksum invalidation, and the context builder does not exclude revoked certificates, so the device can keep downloading credentials that the operator explicitly revoked. Please remove revoked standalone certificates from get_cert_context() and still resolve their DeviceCertificate config here so revocation marks it as modified. Add a regression test covering both outcomes.

]
readonly_fields = ["system_context"]
autocomplete_fields = ["vpn"]
autocomplete_fields = ["vpn", "ca", "blueprint_cert"]

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These autocomplete fields prevent organization administrators from selecting shared CAs and shared blueprint certificates. I reproduced this through the admin autocomplete endpoint: organization-owned objects are returned, but equivalent organization=None objects are omitted because the lookup uses CaAdmin.get_queryset() or CertAdmin.get_queryset(), not TemplateAdmin.multitenant_shared_relations. The model explicitly allows shared relations. Please make these two lookups source-aware so shared objects are available from TemplateAdmin without exposing them in the normal PKI changelist, and cover both fields with an organization-administrator test.



class AbstractDeviceCertificate(TimeStampedEditableModel):
config = models.ForeignKey(

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This model is swappable, but its reverse relations are not stable. The implementation hardcodes devicecertificate_set in base/config.py and base/template.py, and devicecertificate__ in x509_admin.py. A valid custom model with a different class name gets different default reverse names, breaking certificate creation and cleanup, context generation, status updates, and the PKI device filter. Please define stable related_name and related_query_name values on this relation and use them consistently. The sample model keeps the same class name, so add coverage with a swapped concrete model whose name differs.

)
}
)
if (

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This organization invariant is checked only when assigning the DeviceCertificate. I can later change the bound Cert.organization to another organization and save it successfully. The original organization's config still renders that certificate and private key, while the PKI object is now visible to administrators of the new organization. Please reject organization changes while a certificate is referenced by a DeviceCertificate, using a swapped-model-aware validation or pre-save guard, and add a cross-organization regression test.

@openwisp openwisp deleted a comment from coderabbitai Bot Aug 13, 2026

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I left inline comments on the remaining issues.

update_fields = kwargs.get("update_fields")
is_positional = False
if update_fields is None and len(args) > 3:
update_fields = args[3]

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This code is quite obscure to me? Can you add a preceding comment reminding us why it's needed?

2,
"Stale DeviceCertificate row should still exist",
)

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avoid needless blank lines please


class Migration(migrations.Migration):

dependencies = [

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Please add migrations.swappable_dependency(settings.CONFIG_CONFIG_MODEL) and migrations.swappable_dependency(settings.CONFIG_TEMPLATE_MODEL). They are redundant but harmless for the default same-app models, and make migration ordering correct when Config or Template is swapped.

from .x509_admin import get_device_certificate_details, register_cert_admin_filter

logger = logging.getLogger(__name__)
prefix = "config/"

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I do not see a requirement to show CA and Blueprint Certificate in the template changelist. Issue #1357 requires these fields in the form, not in list_display. Please remove these two columns and avoid extra width and per-row queries. If there is a concrete reason to keep them, add list_select_related.

Config = load_model("config", "Config")
Organization = load_model("openwisp_users", "Organization")
DeviceCertificate = load_model("config", "DeviceCertificate")

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Issue #1361 requires these fields in the existing template API, so they must stay. Please update the existing list and detail query-count tests to use certificate templates with populated ca and blueprint_cert, assert both returned IDs, and retain the query counts. This proves the new fields do not introduce related-object queries.

config={"system": {"hostname": "test_router"}},
)
device = self._create_device(organization=org)
config = self._create_config(device=device)

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This does not exercise the NULL case described by the test name and docstring because it asserts cert_id is non-NULL. Please create a pending relation by setting cert=None with QuerySet.update(), refresh it, and assert the NULL precondition. Keep a separate assigned certificate and verify it remains excluded while an unassigned blueprint remains available. Please also replace the docstring with Ensure pending device certificates do not hide available blueprints.

stktyagi and others added 4 commits August 14, 2026 12:42
Addressed latest reviews and added new migration to fix the CI
Removed stale comment and added explanation.
Updated documenetation after changes.

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See my comments below, let's discuss the problems caused by changing organization at the earliest chance

Comment thread docs/user/certificate-templates.rst Outdated
Comment on lines +52 to +56
:guilabel:`Automatic certificate provisioning` (``auto_cert``)
Certificate generator templates always use automatic certificate
provisioning. An X.509 certificate is automatically created and signed
by the template's CA the moment the template is assigned to a device
configuration.

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(P3) This is presented as a form field, but the admin hides auto_cert for certificate templates and the API does not expose it; I think we decided to remove / hide this, right? Is this documentation section outadated or am I missing something?

Comment thread docs/user/certificate-templates.rst Outdated
Comment on lines +131 to +134
To prevent breaking the cryptographic binding with devices that are
already using a template, certain destructive changes are blocked while
the template is assigned to *active* or *activating* device
configurations.

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There is no activating Config status. The implementation blocks assignments in every status except deactivating and deactivated, so this wording does not describe the actual lock. Please state that exact condition or simply say configurations that are not deactivating or deactivated. (P3)

f"{prefix}_pem": dc.cert.certificate,
f"{prefix}_key_path": key_path,
f"{prefix}_key": dc.cert.private_key,
f"{prefix}_uuid": str(dc.cert.id),

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There's something wrong here. The var name suffix indicates that this should be a UUID, but if I am not mistaken Cert.id is an autoincrement integer field. So there's a discrepancy in expectations here.

Comment on lines +132 to +140
self.config_id
and self.cert.organization_id
and self.config.device.organization_id != self.cert.organization_id
):
raise ValidationError(
{
"cert": _(
"The organization of the certificate must match "
"the organization of the device."

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This validation is executed only on creation. If a device is moved to a different organization, it won't be executed. Did we already discuss this? I don't see an easy solution right now.

I think we'll need to make these changes to solve it for good:

Comment on lines +174 to +177
attrs = copy_ca_attributes(ca, blueprint)
extensions = get_client_extensions(
blueprint, hardware_oids=self._get_hardware_oid_extensions()
)

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P2 A valid blueprint may already contain either reserved OpenWISP hardware OID. The failure path is:

  1. Create a valid blueprint certificate containing 1.3.6.1.4.1.65901.1 or 1.3.6.1.4.1.65901.2.
  2. Create a certificate template with that blueprint.
  3. Assign the template to a device configuration.
  4. get_client_extensions() copies the blueprint extensions and appends the same hardware OIDs for the device.
  5. cert.full_clean() rejects the duplicate OID, so template assignment fails.

Please replace inherited values for these two OIDs, or reject them during template validation, and add a regression test.

Comment on lines +150 to +154
_changed_checked_fields = [
"ca_id",
"blueprint_cert_id",
"type",
]

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P1 The active-template lock does not track organization_id. With a shared CA and blueprint, an assigned certificate template can be moved from organization A to B while it remains linked to A's configs; B's admins then own a template whose changes affect A's devices. Please include organization changes in the protected snapshot and reject them while active configs reference the certificate template, with a cross-organization regression test.

This is related to, but distinct from, #1459. #1459 covers moving a device between organizations and reconciling its assigned templates. This path moves an active template itself: organization B gains control of a template still deployed on organization A devices. Device-move reconciliation does not handle that transfer.

Comment on lines +214 to +216
def refresh_from_db(self, *args, **kwargs):
super().refresh_from_db(*args, **kwargs)
self._set_initial_values_for_changed_checked_fields()

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P2 A partial refresh resets every protected snapshot, including fields that were not refreshed. For example, after setting ca to a new value, refresh_from_db(fields=["name"]) leaves the dirty ca in memory but records it as the initial ca, so full_clean() no longer detects the active-template mutation.

No production caller currently partially refreshes a Template, but this is an actual stale-snapshot bug and is inexpensive to fix. Capture fields in refresh_from_db() and pass it to _set_initial_values_for_changed_checked_fields(update_fields=fields), handling the positional fields argument too. The existing mutation tests do not exercise refresh behavior, so add one focused test beside test_validate_cert_template_changes_same_instance_after_save rather than distorting an unrelated test.

Comment thread openwisp_controller/config/base/vpn.py Outdated
email=ca.email,
common_name=common_name,
extensions=server_extensions,
extensions=list(DEFAULT_CLIENT_EXTENSIONS),

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P3 This refactor changed a fresh per-certificate dictionary into a shallow copy of a module-level list, so the nested extension dictionary is shared by every generated VPN certificate. Please preserve the previous isolation.

The existing helper is get_client_extensions() in config.utils. With no arguments it returns a deep copy of DEFAULT_CLIENT_EXTENSIONS, exactly what this call needs. Import and call get_client_extensions() here instead of list(DEFAULT_CLIENT_EXTENSIONS); this avoids a new direct deepcopy and keeps both certificate-provisioning paths consistent.

Comment on lines +1528 to +1547
def test_template_create_api_org_scoping(self):
"""Rejects CA or Blueprint from a different organization"""
org1 = self._get_org()
org2 = self._create_org(name="Org2", slug="org2")
ca_org2 = self._create_ca(name="CA2", common_name="CA2", organization=org2)
path = reverse("config_api:template_list")
data = self._template_data
data.update(
{
"name": "Org Scope Template",
"type": "cert",
"ca": ca_org2.pk,
"organization": str(org1.pk),
"config": {},
}
)
r = self.client.post(path, data, content_type="application/json")
self.assertEqual(r.status_code, 400)
self.assertIn("organization", r.data)
self.assertIn("related CA match", str(r.data["organization"]))

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P3 This test does not verify API access control because it runs as the default superuser, who is allowed to access every organization.

Use a normal manager of organization A and try to create a certificate template for organization A with these values:

  1. A CA owned by organization B.
  2. A blueprint certificate owned by organization B.
  3. A shared CA and a shared blueprint certificate.

The first two requests must return 400. The shared values must be accepted. This proves that the API filters both related fields by the requesting manager's organizations, as required by #1361.

Comment on lines +51 to +59
def save(self, *args, **kwargs):
update_fields = kwargs.get("update_fields")
if update_fields is None and len(args) > 3:
update_fields = args[3]
super().save(*args, **kwargs)
if update_fields is None or {"organization", "organization_id"}.intersection(
update_fields
):
self._initial_organization_id = self.organization_id

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P2 The bound-certificate organization check runs from pre_save, after serializer and ModelForm validation. Updating the organization of a bound certificate therefore passes validation and raises an uncaught Django ValidationError here, yielding an API or admin 500 instead of a field error.

Failing regression to add in openwisp_controller/pki/tests/test_api.py:

  1. Create a device configuration with an assigned certificate template, then retrieve its generated certificate.
  2. Create a second organization.
  3. PATCH reverse("pki_api:cert_detail", args=[cert.pk]) with {"organization": str(org2.pk)}.
  4. Assert a 400 response with an organization error and confirm the certificate still belongs to the first organization.

The current code reaches the pre_save receiver and returns a 500. Add the corresponding admin form regression after moving the invariant into validation, while retaining the pre_save guard for direct ORM callers.

Addressed all latest review with 1 pending to address
Fixed 500 status code issue and added tests
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