mirror of https://github.com/linkerd/linkerd2.git
c6536996f7
In the stable-2.9.0, stable-2.9.1, and stable-2.9.2 releases, the `linkerd-config-overrides` secret is missing the `linkerd.io/control-plane-ns` label. This means that if a `linkerd upgrade` is performed to one of these versions using the `--prune` flag, then the secret will be deleted. Missing this secret will prevent any further upgrades. We add a `linkerd repair` command which recreates the `linkerd-config-overrides` secret by fetching the installed values from the `linkerd-config` configmap and then re-populating the redacted identity values from the `linkerd-identity-issuer` secret. Usage: ```bash linkerd repair | kubectl apply -f - ``` To test: ``` # Set Linkerd version to stable-2.8.0 > linkerd install | kubectl apply -f - # Set Linkerd version to stable-2.9.1 > linkerd upgrade | kubectl apply --prune -l linkerd.io/control-plane-ns=linkerd -f - # Set Linkerd version to stable-2.9.2 > linkerd upgrade | kubectl apply --prune -l linkerd.io/control-plane-ns=linkerd -f - (Command fails) # Set Linkerd version to HEAD > linkerd repair | kubectl apply -f - # Set Linkerd version to stable-2.9.2 > linkerd upgrade | kubectl apply --prune -l linkerd.io/control-plane-ns=linkerd -f - (Command succeeds) > linkerd check ``` Signed-off-by: Alex Leong <alex@buoyant.io> |
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