feat(argocd-apps): Support Template Patch to ApplicationSet (#2549)

Signed-off-by: yu-croco <yu.croco@gmail.com>
Co-authored-by: Petr Drastil <petr.drastil@gmail.com>

charts/argocd-apps/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: argocd-apps
 description: A Helm chart for managing additional Argo CD Applications and Projects
 type: application
-version: 1.6.1
+version: 1.6.2
 home: https://github.com/argoproj/argo-helm
 icon: https://argo-cd.readthedocs.io/en/stable/assets/logo.png
 keywords:
@@ -17,5 +17,5 @@ annotations:
     fingerprint: 2B8F22F57260EFA67BE1C5824B11F800CD9D2252
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
-    - kind: fixed
-      description: move ignoreApplicationDifferences block up a level to fix render
+    - kind: added
+      description: Support Template Patch to ApplicationSet

charts/argocd-apps/ci/applicationsets-values.yaml

@@ -46,6 +46,19 @@ applicationsets:
   syncPolicy:
     # Set Application finalizer
     preserveResourcesOnDeletion: false
+  templatePatch: |
+    spec:
+      source:
+        helm:
+          valueFiles:
+          {{- range $valueFile := .valueFiles }}
+            - {{ $valueFile }}
+          {{- end }}
+    {{- if .autoSync }}
+      syncPolicy:
+        automated:
+          prune: {{ .prune }}
+    {{- end }}
 - name: applicationset-list-generator
   generators:
   - list:

charts/argocd-apps/templates/applicationsets.yaml

@@ -84,4 +84,8 @@ spec:
       {{- end }}
     {{- end -}}
   {{- end }}
+  {{- with .templatePatch }}
+  templatePatch: |
+    {{- . | nindent 4 }}
+  {{- end }}
 {{- end }}

charts/argocd-apps/values.yaml

@@ -157,6 +157,20 @@ applicationsets: []
 #   syncPolicy:
 #     # Set Application finalizer
 #     preserveResourcesOnDeletion: false
+#   # Templating is only available on string type
+#   templatePatch: |
+#     spec:
+#       source:
+#         helm:
+#           valueFiles:
+#           {{- range $valueFile := .valueFiles }}
+#             - {{ $valueFile }}
+#           {{- end }}
+#     {{- if .autoSync }}
+#       syncPolicy:
+#         automated:
+#           prune: {{ .prune }}
+#     {{- end }}
 
 # --  Deploy Argo CD Applications/ApplicationSets/Projects within this helm release
 # @default -- `[]` (See [values.yaml])