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coreos/sysext/containerd: configure registry certs.d #4198

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coreos/sysext/containerd: configure registry certs.d
DUKartik Aug 9, 2026
d46a189
Merge branch 'main' into fix/583-containerd-registry-certs
DUKartik Aug 11, 2026
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1 change: 1 addition & 0 deletions ...party/coreos-overlay/changelog/changes/2026-08-09-containerd-registry-config.md
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@@ -0,0 +1 @@
- Added containerd registry certificate directory support for `/etc/containerd/certs.d` in the containerd sysext. ([Flatcar#583](https://github.com/flatcar/Flatcar/issues/583))
3 changes: 3 additions & 0 deletions ...d_party/coreos-overlay/coreos/sysext/containerd/usr/share/containerd/config-cgroupfs.toml
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Expand Up @@ -27,6 +27,9 @@ runtime = "runc"
# live restore is not supported
no_shim = false

[plugins."io.containerd.grpc.v1.cri".registry]
config_path = "/etc/containerd/certs.d"

[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
# setting runc.options unsets parent settings
runtime_type = "io.containerd.runc.v2"
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3 changes: 3 additions & 0 deletions .../src/third_party/coreos-overlay/coreos/sysext/containerd/usr/share/containerd/config.toml
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Expand Up @@ -31,6 +31,9 @@ no_shim = false
# enable SELinux labeling
enable_selinux = true

[plugins."io.containerd.grpc.v1.cri".registry]
config_path = "/etc/containerd/certs.d"

[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
# setting runc.options unsets parent settings
runtime_type = "io.containerd.runc.v2"
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