Optionally allow for applications to be rolled out in an ordered fashion

Author: beekhof

clustergroup/templates/plumbing/applications.yaml

@@ -127,6 +127,10 @@ metadata:
   namespace: {{ $namespace }}
   labels:
     validatedpatterns.io/pattern: {{ $.Values.global.pattern }}
+  {{- if .syncWave }}
+  annotations:
+    argocd.argoproj.io/sync-wave: {{ .syncWave }}
+  {{- end }}
   finalizers:
   - resources-finalizer.argocd.argoproj.io/foreground
 spec:

clustergroup/values.schema.json

@@ -221,6 +221,10 @@
           "type": "boolean",
           "deprecated": true
         },
+	"syncWave": {
+          "type": "integer",
+          "description": "This controls the order in which ArgoCD applications are created. Appplications in subsequent waves will not be created until previous applications have synchronized and become healthy."
+	},
         "syncPolicy": {
           "type": "string",
           "description": "This is the sync policy for the ArgoCD applications. When set to Automatic ArgoCD will automatically sync an application when it detects differences between the desired manifests in Git."