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argo-cd/docs/user-guide/compare-options.md
Jean-François Roche da57c9f1c8
docs: declare where to add the annotation (#4490) 
We got bitten by thinking that this annotation could possibly added to the application to exclude all extraneous resources (see #4487).
The annotation must be added to the resource we wish to exclude.
2020-10-06 08:12:35 +02:00

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Compare Options

Ignoring Resources That Are Extraneous

v1.1

You may wish to exclude resources from the app's overall sync status under certain circumstances. E.g. if they are generated by a tool. This can be done by adding this annotation on the resource you wish to exclude:

metadata:
  annotations:
    argocd.argoproj.io/compare-options: IgnoreExtraneous

compare option needs pruning

!!! note This only affects the sync status. If the resource's health is degraded, then the app will also be degraded.

Kustomize has a feature that allows you to generate config maps (read more ⧉). You can set generatorOptions to add this annotation so that your app remains in sync:

configMapGenerator:
  - name: my-map
    literals:
      - foo=bar
generatorOptions:
  annotations:
    argocd.argoproj.io/compare-options: IgnoreExtraneous
kind: Kustomization

!!! note generatorOptions adds annotations to both config maps and secrets (read more ⧉).

You may wish to combine this with the Prune=false sync option.