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Annotations and Labels used by Argo CD

Annotations

Annotation key Target resource(es) Possible values Description
argocd.argoproj.io/application-set-refresh ApplicationSet "true" Added when an ApplicationSet is requested to be refreshed by a webhook. The ApplicationSet controller will remove this annotation at the end of reconciliation.
argocd.argoproj.io/compare-options any see compare options docs Configures how an app's current state is compared to its desired state.
argocd.argoproj.io/hook any see resource hooks docs Used to configure resource hooks.
argocd.argoproj.io/hook-delete-policy any see resource hooks docs Used to set a resource hook's deletion policy.
argocd.argoproj.io/manifest-generate-paths Application see scaling docs Used to avoid unnecessary Application refreshes, especially in mono-repos.
argocd.argoproj.io/refresh Application normal, hard Indicates that app needs to be refreshed. Removed by application controller after app is refreshed. Value "hard" means manifest cache and target cluster state cache should be invalidated before refresh.
argocd.argoproj.io/skip-reconcile Application "true" Indicates to the Argo CD application controller that the Application should not be reconciled. See the skip reconcile documentation for use cases.
argocd.argoproj.io/sync-options any see sync options docs Provides a variety of settings to determine how an Application's resources are synced.
argocd.argoproj.io/sync-wave any see sync waves docs
argocd.argoproj.io/tracking-id any any Used by Argo CD to track resources it manages. See resource tracking docs for details.
link.argocd.argoproj.io/{some link name} any An http(s) URL Adds a link to the Argo CD UI for the resource. See external URL docs for details.
pref.argocd.argoproj.io/default-pod-sort Application see UI customization docs Sets the Application's default grouping mechanism.
pref.argocd.argoproj.io/default-view Application see UI customization docs Sets the Application's default view mode (e.g. "tree" or "list")

Labels

Label key Target resource(es) Possible values Description
argocd.argoproj.io/instance Application any Recommended tracking label to [avoid conflicts with other tools which use app.kubernetes.io/instance](../faq.md#why-is-my-app-out-of-sync-even-after-syncing.
argocd.argoproj.io/secret-type Secret cluster, repository, repo-creds Identifies certain types of Secrets used by Argo CD. See the Declarative Setup docs for details.