Support simulating helm test failure and timeout

This is to support testing of https://github.com/fluxcd/helm-operator/issues/369.

charts/podinfo/README.md

@@ -42,6 +42,8 @@ Parameter | Default | Description
 `faults.error` | `false` | 1/3 chances of a random HTTP response error
 `faults.unhealthy` | `false` | When set, the healthy state is never reached
 `faults.unready` | `false` | When set, the ready state is never reached
+`faults.testFail` | `false` | When set, a helm test is included which always fails
+`faults.testTimeout` | `false` | When set, a helm test is included which always times out
 `h2c.enabled` | `false` | Allow upgrading to h2c
 `image.repository` | `stefanprodan/podinfo` | Image repository
 `image.tag` | `<VERSION>` | Image tag

charts/podinfo/templates/tests/fail.yaml

@@ -0,0 +1,26 @@
+{{- if .Values.faults.test }}
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ template "podinfo.fullname" . }}-fault-test-{{ randAlphaNum 5 | lower }}
+  labels:
+    heritage: {{ .Release.Service }}
+    release: {{ .Release.Name }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version }}
+    app: {{ template "podinfo.name" . }}
+  annotations:
+    "helm.sh/hook": test
+    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
+    sidecar.istio.io/inject: "false"
+    linkerd.io/inject: disabled
+    appmesh.k8s.aws/sidecarInjectorWebhook: disabled
+spec:
+  template:
+    spec:
+      containers:
+        - name: fault
+          image: alpine:3.11
+          command: ['/bin/sh']
+          args:  ['-c', 'exit 1']
+      restartPolicy: Never
+{{- end }}

charts/podinfo/templates/tests/timeout.yaml

@@ -0,0 +1,26 @@
+{{- if .Values.faults.test }}
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ template "podinfo.fullname" . }}-fault-test-{{ randAlphaNum 5 | lower }}
+  labels:
+    heritage: {{ .Release.Service }}
+    release: {{ .Release.Name }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version }}
+    app: {{ template "podinfo.name" . }}
+  annotations:
+    "helm.sh/hook": test
+    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
+    sidecar.istio.io/inject: "false"
+    linkerd.io/inject: disabled
+    appmesh.k8s.aws/sidecarInjectorWebhook: disabled
+spec:
+  template:
+    spec:
+      containers:
+        - name: fault
+          image: alpine:3.11
+          command: ['/bin/sh']
+          args:  ['-c', 'while sleep 3600; do :; done']
+      restartPolicy: Never
+{{- end }}

charts/podinfo/values.yaml

@@ -15,6 +15,8 @@ faults:
   error: false
   unhealthy: false
   unready: false
+  testFail: false
+  testTimeout: false
 
 h2c:
   enabled: false