Rafael Fernández López ba14dc3fc7 Health check: check if proxies trust anchors match configuration (#3524) ... * Health check: check if proxies trust anchors match configuration If Linkerd is reinstalled or if the trust anchors are modified while proxies are running on the cluster, they will contain an outdated `LINKERD2_PROXY_IDENTITY_TRUST_ANCHORS` certificate. This changeset adds support for `linkerd check`, so it checks if there is any proxy running on the cluster, and performing the check against the configuration trust anchor. If there's a failure (considered a warning), `linkerd check` will notify the user about what pods are the offenders (and in what namespace each one is), and also a hint to remediate the issue (restarting the pods). * Add integration tests for proxy certificate check Fixes #3344 Signed-off-by: Rafael Fernández López <ereslibre@ereslibre.es>		2019-10-15 11:33:09 -07:00
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service.go	Health check: check if proxies trust anchors match configuration (#3524)	2019-10-15 11:33:09 -07:00