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docs: Add an explanation of using ignoring differences for app of apps pattern #18945

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Jul 17, 2024
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docs: Add an explanation of using ignoring differences for app of apps pattern #18945

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docs: Add an explanation of using ignoring differences for app of app…
andrii-korotkov-verkada Jul 4, 2024
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Merge branch 'master' into docs-for-app-of-apps-update
todaywasawesome Jul 17, 2024
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27 changes: 26 additions & 1 deletion docs/operator-manual/cluster-bootstrapping.md
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Expand Up @@ -119,4 +119,29 @@ metadata:
- resources-finalizer.argocd.argoproj.io
spec:
...
```
```

### Ignoring differences in child applications

To allow changes in child apps without triggering an out-of-sync status, or modification for debugging etc, the app of apps pattern works with [diff customization](../user-guide/diffing/). The example below shows how to ignore changes to syncPolicy and other common values.

```yaml
spec:
...
syncPolicy:
...
syncOptions:
- RespectIgnoreDifferences=true
...
ignoreDifferences:
- group: "*"
kind: "Application"
namespace: "*"
jsonPointers:
# Allow manually disabling auto sync for apps, useful for debugging.
- /spec/syncPolicy/automated
# These are automatically updated on a regular basis. Not ignoring last applied configuration since it's used for computing diffs after normalization.
- /metadata/annotations/argocd.argoproj.io~1refresh
- /operation
...
```