canary update

Jenkinsfile

@@ -14,7 +14,7 @@ pipeline {
            sh "git config --system user.email 'b.yang@ext.tricentis.com'"
            sh "git config --system user.name 'brandon'"
            dir("argocd-example-apps") {
-            sh "cd helm-guestbook && sed -i 's+0.1+0.2+g' values.yaml"
+            sh "cd helm-guestbook && sed -i 's+0.2+0.1+g' values.yaml"
             sh "git commit -am 'Publish new version' && git push || echo 'update version'"
            }
         }

helm-guestbook/templates/canary_service.yaml

@@ -0,0 +1,20 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: guestbook-canary-service
+  namespace: {{ template "helm-guestbook.fullname" . }}
+  labels:
+    app: {{ template "helm-guestbook.name" . }}
+    chart: {{ template "helm-guestbook.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app: {{ template "helm-guestbook.name" . }}
+    release: {{ .Release.Name }}

helm-guestbook/templates/rollout.yaml

@@ -56,6 +56,8 @@ spec:
     canary: #Indicates that the rollout should use the Canary strategy
       maxSurge: "25%"
       maxUnavailable: 0
+      canaryService: guestbook-canary-service
+      stableService: {{ template "helm-guestbook.fullname" . }}
       steps:
       - setWeight: 10
       - pause: