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Production Runbook for ArgoCD

Key Locations

Production Namespace: aicoe-argocd Production Cluster: This information can be found in the internal Runbooks repository.

Important Metrics

We have a number of important metrics we are tracking on our operations dashboard. Information on these metrics can be found at Important ArgoCD Metrics.

Common Debugging Steps

Application is stuck will not sync and/or is stuck on refresh

Check work queue metric, it is possible that thread count is bottlenecked, restart the application controller pod.

Excluded resource warning

This warning indicates that ArgoCD has encountered a resource that is not included as part of its discovery phase. This resource kind and apigroup must be added to the resource.inclusions list in prod-vars.yaml.

SA Cannot list resource, no RBAC policy matched

An example error:

```bash
"system:serviceaccount:argocd-manager:argocd-manager" cannot list objectbucketclaims.objectbucket.io in the namespace "example-ns": no RBAC policy matched
```

This means that the service account being used by ArgoCD (e.g. argocd-manager) does not have the appropriate permissions to list the resource in the designated name space. Let the application owner know they need to give the SA more permissions.