Update examples

multi-cluster/helm/Chart.yaml

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+apiVersion: v2
+name: guestbook
+description: Sample application
+version: 0.0.0
+appVersion: 0.0.0

multi-cluster/helm/README.md

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+# Helm Example
+
+This example will deploy the [Kubernetes sample guestbook](https://github.com/kubernetes/examples/tree/master/guestbook/) application as
+packaged as a Helm chart.
+The app will be deployed into the `fleet-mc-helm-example` namespace.
+
+The application will be customized as follows per environment:
+
+* Dev clusters: Only the redis leader is deployed and not the followers.
+* Test clusters: Scale the front deployment to 3
+* Prod clusters: Scale the front deployment to 3 and set the service type to LoadBalancer
+
+```yaml
+kind: GitRepo
+apiVersion: fleet.cattle.io/v1alpha1
+metadata:
+  name: helm
+  namespace: fleet-local
+spec:
+  repo: https://github.com/rancher/fleet-examples/
+  paths:
+  - helm
+  targetCustomizations:
+  - name: dev
+    clusterSelector:
+      matchLabels:
+        env: dev
+
+  - name: test
+    clusterSelector:
+      matchLabels:
+        env: test
+
+  - name: prod
+    clusterSelector:
+      matchLabels:
+        env: prod
+```

multi-cluster/helm/fleet.yaml

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+namespace: fleet-mc-helm-example
+targetCustomizations:
+- name: dev
+  helm:
+    values:
+      replication: false
+  clusterSelector:
+    matchLabels:
+      env: dev
+
+- name: test
+  helm:
+    values:
+      replicas: 3
+  clusterSelector:
+    matchLabels:
+      env: test
+
+- name: prod
+  helm:
+    values:
+      serviceType: LoadBalancer
+      replicas: 3
+  clusterSelector:
+    matchLabels:
+      env: prod

multi-cluster/helm/templates/frontend-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: frontend
+spec:
+  selector:
+    matchLabels:
+      app: guestbook
+      tier: frontend
+  replicas: {{ .Values.replicas }}
+  template:
+    metadata:
+      labels:
+        app: guestbook
+        tier: frontend
+    spec:
+      containers:
+      - name: php-redis
+        image: gcr.io/google-samples/gb-frontend:v4
+        resources:
+          requests:
+            cpu: 100m
+            memory: 100Mi
+        ports:
+        - containerPort: 80

multi-cluster/helm/templates/frontend-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: frontend
+  labels:
+    app: guestbook
+    tier: frontend
+spec:
+  type: "{{ .Values.serviceType }}"
+  ports:
+  - port: 80
+  selector:
+    app: guestbook
+    tier: frontend

multi-cluster/helm/templates/redis-master-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: redis-master
+spec:
+  selector:
+    matchLabels:
+      app: redis
+      role: master
+      tier: backend
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: redis
+        role: master
+        tier: backend
+    spec:
+      containers:
+      - name: master
+        image: redis
+        resources:
+          requests:
+            cpu: 100m
+            memory: 100Mi
+        ports:
+        - containerPort: 6379

multi-cluster/helm/templates/redis-master-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: redis-master
+  labels:
+    app: redis
+    role: master
+    tier: backend
+spec:
+  ports:
+  - port: 6379
+    targetPort: 6379
+  selector:
+    app: redis
+    role: master
+    tier: backend

multi-cluster/helm/templates/redis-slave-deployment.yaml

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+{{ if .Values.replication }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: redis-slave
+spec:
+  selector:
+    matchLabels:
+      app: redis
+      role: slave
+      tier: backend
+  replicas: 2
+  template:
+    metadata:
+      labels:
+        app: redis
+        role: slave
+        tier: backend
+    spec:
+      containers:
+      - name: slave
+        image: gcr.io/google_samples/gb-redisslave:v1
+        resources:
+          requests:
+            cpu: 100m
+            memory: 100Mi
+        ports:
+        - containerPort: 6379
+{{ end }}

multi-cluster/helm/templates/redis-slave-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: redis-slave
+  labels:
+    app: redis
+    role: slave
+    tier: backend
+spec:
+  ports:
+  - port: 6379
+  selector:
+    app: redis
+    {{ if .Values.replication }}
+    role: slave
+    {{ else }}
+    role: master
+    {{ end }}
+    tier: backend

multi-cluster/helm/values.yaml

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+replication: true
+replicas: 1
+serviceType: NodePort