AlertmanagerConfigInconsistent

Meaning

The configuration between instances inside a cluster is inconsistent.

Impact

Configuration inconsistency can be multiple and impact is hard to predict. Nevertheless, in most cases the alert might be lost or routed to the incorrect integration.

Diagnosis

Run a diff tool between all alertmanager.yml that are deployed to find what is wrong. You could run a job within your CI to avoid this issue in the future.

Mitigation

Delete the incorrect secret and deploy the correct one.