Sync wave (#28)

README.md

@@ -12,6 +12,7 @@ to explore ArgoCD and GitOps!
 | [jsonnet-guestbook](jsonnet-guestbook/) | The guestbook application as a raw jsonnet |
 | [kustomize-guestbook](kustomize-guestbook/) | The guestbook application as a Kustomize 2 app |
 | [pre-post-sync](pre-post-sync/) | Demonstrates Argo CD PreSync and PostSync hooks |
+| [sync-waves](sync-waves/) | Demonstrates Argo CD sync waves with hooks |
 | [helm-dependency](helm-dependency/) | Demonstrates how to customize an OTS (off-the-shelf) helm chart from an upstream repo |
 | [sock-shop](sock-shop/) | A microservices demo application (https://microservices-demo.github.io) |
 | [plugins](plugins/) | Applications which demonstrate config management plugins usage |

sync-waves/manifests.yaml

@@ -0,0 +1,114 @@
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  generateName: upgrade-sql-schema
+  annotations:
+    argocd.argoproj.io/hook: PreSync
+spec:
+  template:
+    spec:
+      containers:
+        - name: upgrade-sql-schema
+          image: alpine:latest
+          command: ["sleep", "5"]
+      restartPolicy: Never
+---
+apiVersion: apps/v1
+kind: ReplicaSet
+metadata:
+  name: backend
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      tier: backend
+  template:
+    metadata:
+      labels:
+        tier: backend
+    spec:
+      containers:
+        - name: main
+          image: nginx:latest
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: backend
+spec:
+  selector:
+    tier: backend
+  ports:
+    - protocol: TCP
+      port: 8080
+      targetPort: 8080
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  generateName: maint-page-up-
+  annotations:
+    argocd.argoproj.io/hook: Sync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
+    argocd.argoproj.io/sync-wave: "1"
+spec:
+  template:
+    spec:
+      containers:
+        - name: page-up
+          image: alpine:latest
+          command: ["sleep", "2"]
+      restartPolicy: Never
+  backoffLimit: 0
+---
+apiVersion: apps/v1
+kind: ReplicaSet
+metadata:
+  name: frontend
+  annotations:
+    argocd.argoproj.io/sync-wave: "2"
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      tier: frontend
+  template:
+    metadata:
+      labels:
+        tier: frontend
+    spec:
+      containers:
+        - name: main
+          image: nginx:latest
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: frontend
+  annotations:
+    argocd.argoproj.io/sync-wave: "2"
+spec:
+  selector:
+    tier: frontend
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  generateName: maint-page-down-
+  annotations:
+    argocd.argoproj.io/hook: Sync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
+    argocd.argoproj.io/sync-wave: "3"
+spec:
+  template:
+    spec:
+      containers:
+        - name: page-down
+          image: alpine:latest
+          command: ["sleep", "2"]
+      restartPolicy: Never