Add support for skipping Applications via annotation

.github/workflows/generate-manifests-demos.yaml

@@ -2,7 +2,7 @@ name: Generate manifests for demo
 on: [push]
 
 env:
-  USE_RELEASE: true
+  USE_RELEASE: false
   RELEASE_TAG: v0.1.1
 
 jobs:

demo/.zz.auto-generated/test-app-group-1/manifest.yaml

@@ -70,3 +70,29 @@ spec:
         - ../../overrides/service/foo/test.yaml
   syncPolicy:
     automated: {}
+---
+# Source: app-of-apps/templates/apps.yaml
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: test-service-skipped
+  annotations:
+    mani-diffy.chime.com/skip: "true"
+spec:
+  destination:
+    namespace: argocd
+    server: https://kubernetes.default.svc
+  project: default
+  source:
+    repoURL: https://github.com/chime/mani-diffy.git
+    path: charts/service
+    helm:
+      version: v3
+      parameters:
+      - name: env
+        value: test
+      valueFiles:
+        - ../../overrides/service/skipped/base.yaml
+        - ../../overrides/service/skipped/test.yaml
+  syncPolicy:
+    automated: {}

demo/charts/app-of-apps/templates/service.tpl

@@ -5,6 +5,10 @@ apiVersion: argoproj.io/v1alpha1
 kind: Application
 metadata:
   name: {{ .root.env }}-service-{{ $appName }}
+  {{- if .childParams.skipManiDiffy }}
+  annotations:
+    mani-diffy.chime.com/skip: "true"
+  {{- end }}
 spec:
   destination:
     namespace: argocd

demo/overrides/app-of-apps/test-app-group-1.yaml

@@ -5,3 +5,6 @@ children:
     chart: service
   baz:
     chart: service
+  skipped:
+    chart: service
+    skipManiDiffy: true

main.go

@@ -20,6 +20,27 @@ import (
 
 const InfiniteDepth = -1
 
+const skipAnnotation = "mani-diffy.chime.com/skip"
+
+// shouldSkipRender checks if an Application should be skipped based on:
+// 1. The application name suffix (ignoreSuffix)
+// 2. The mani-diffy.chime.com/skip annotation set to "true"
+func shouldSkipRender(app *v1alpha1.Application, ignoreSuffix string) bool {
+	// Check if the application name has the ignore suffix
+	if strings.HasSuffix(app.ObjectMeta.Name, ignoreSuffix) {
+		return true
+	}
+
+	// Check if the skip annotation is set to "true"
+	if app.ObjectMeta.Annotations != nil {
+		if value, ok := app.ObjectMeta.Annotations[skipAnnotation]; ok && value == "true" {
+			return true
+		}
+	}
+
+	return false
+}
+
 // Renderer is a function that can render an Argo application.
 type Renderer func(*v1alpha1.Application, string) error
 
@@ -114,7 +135,7 @@ func (w *Walker) walk(inputPath, outputPath string, depth, maxDepth int, visited
 				continue
 			}
 
-			if strings.HasSuffix(crd.ObjectMeta.Name, w.ignoreSuffix) {
+			if shouldSkipRender(crd, w.ignoreSuffix) {
 				continue
 			}
 

pkg/helm/helm_test.go

@@ -321,7 +321,7 @@ kind: Application
 	t.Run("GenerateHashOnChart", func(t *testing.T) {
 		hash, _ := generalHashFunction("demo/charts/app-of-apps")
 		h := hex.EncodeToString(hash)
-		actualHash := "13aa148adefa3d633e5ce95584d3c95297a4417977837040cd67f0afbca17b5a"
+		actualHash := "f57ffb63de221520249492e247beb6d6f61cd378e7c246909cca9c5110a6bb28"
 		if h != actualHash {
 			t.Errorf("Failed to generate a generic hash on a chart. got: %s wanted: %s", h, actualHash)
 		}