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jannfis merged 4 commits into from
Sep 22, 2023
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docs: Add documentation for resource tracking custom label configuration #15587

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doc: resource tracking custom label configuration
Timoses Sep 20, 2023
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Merge branch 'master' into patch-1
jannfis Sep 20, 2023
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Merge branch 'master' into patch-1
blakepettersson Sep 21, 2023
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Merge branch 'master' into patch-1
blakepettersson Sep 22, 2023
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16 changes: 16 additions & 0 deletions docs/user-guide/resource_tracking.md
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Expand Up @@ -24,6 +24,22 @@ There are however several limitations:
* Other external tools might write/append to this label and create conflicts with Argo CD. For example several Helm charts and operators also use this label for generated manifests confusing Argo CD about the owner of the application
* You might want to deploy more than one Argo CD instance on the same cluster (with cluster wide privileges) and have an easy way to identify which resource is managed by which instance of Argo CD

### Use custom label

Instead of using the default `app.kubernetes.io/instance` label for resource tracking, Argo CD can be configured to use a custom label. Below example sets the resource tracking label to `argocd.argoproj.io/instance`.

```yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: argocd-cm
labels:
app.kubernetes.io/name: argocd-cm
app.kubernetes.io/part-of: argocd
data:
application.instanceLabelKey: argocd.argoproj.io/instance
```

## Additional tracking methods via an annotation

>v2.2
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