Add helm test pre-rollout hook example to podinfo chart

charts/podinfo/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v1
-version: 2.0.1
+version: 2.1.0
 appVersion: 1.4.0
 name: podinfo
 engine: gotpl

charts/podinfo/templates/canary.yaml

@@ -38,8 +38,17 @@ spec:
     - name: request-duration
       threshold: {{ .Values.canary.thresholds.latency }}
       interval: 1m
-    {{- if .Values.canary.loadtest.enabled }}
     webhooks:
+      {{- if .Values.canary.helmtest.enabled }}
+      - name: "helm test"
+        type: pre-rollout
+        url: {{ .Values.canary.helmtest.url }}
+        timeout: 3m
+        metadata:
+          type: "helm"
+          cmd: "test {{ .Release.Name }} --cleanup"
+      {{- end }}
+      {{- if .Values.canary.loadtest.enabled }}
       - name: load-test-get
         url: {{ .Values.canary.loadtest.url }}
         timeout: 5s
@@ -50,5 +59,5 @@ spec:
         timeout: 5s
         metadata:
           cmd: "hey -z 1m -q 5 -c 2 -m POST -d '{\"test\": true}' http://{{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}:{{ .Values.service.port }}/echo"
-    {{- end }}
+      {{- end }}
 {{- end }}

charts/podinfo/values.yaml

@@ -45,6 +45,10 @@ canary:
     enabled: false
     # load tester address
     url: http://flagger-loadtester.test/
+  helmtest:
+    enabled: false
+    # helm tester address
+    url: http://flagger-helmtester.kube-system/
 
 resources:
   limits: