Added Helm Test for ETCD

- Uses etcdctl endpoint health for a helm test.

Change-Id: I25162a228f1725d30a3346cd365dee7de491a26d

charts/etcd/templates/tests/test-etcd-health.yaml

@@ -0,0 +1,98 @@
+{{/*
+# Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+*/}}
+{{/*
+Test etcdctl endpoint health */}}
+{{- if .Values.manifests.test_etcd_health }}
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ .Release.Name }}-etcd-test"
+  annotations:
+    "helm.sh/hook": "test-success"
+spec:
+  restartPolicy: Never
+  containers:
+    - name: "{{ .Release.Name }}-etcd-test"
+      env:
+        - name: ETCD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: spec.nodeName
+        - name: POD_IP
+          valueFrom:
+            fieldRef:
+              fieldPath: status.podIP
+        - name: ETCDCTL_API
+          value: '3'
+        - name: ETCDCTL_DIAL_TIMEOUT
+          value: 3s
+        - name: ETCDCTL_ENDPOINTS
+          value: https://{{ .Values.anchor.etcdctl_endpoint }}:{{ .Values.network.service_client.port }}
+        - name: ETCDCTL_CACERT
+          value: /etc/etcd/tls/certs/client-ca.pem
+        - name: ETCDCTL_CERT
+          value: /etc/etcd/tls/certs/anchor-etcd-client.pem
+        - name: ETCDCTL_KEY
+          value: /etc/etcd/tls/keys/anchor-etcd-client-key.pem
+        - name: CLIENT_ENDPOINT
+          value: https://$(POD_IP):{{ .Values.network.service_client.target_port }}
+        - name: PEER_ENDPOINT
+          value: https://$(POD_IP):{{ .Values.network.service_peer.target_port }}
+      image: {{ .Values.images.tags.etcdctl }}
+      imagePullPolicy: {{ .Values.images.pull_policy }}
+{{ tuple . .Values.pod.resources.test | include "helm-toolkit.snippets.kubernetes_resources" | indent 6 }}
+      command:
+        - /bin/sh
+        - -c
+        - |
+          HEALTH=$(etcdctl endpoint health)
+          CODE=$?
+          echo $HEALTH
+          exit $CODE
+      volumeMounts:
+        - name: {{ .Values.service.name }}-bin
+          mountPath: /tmp
+        - name: {{ .Values.service.name }}-certs
+          mountPath: /etc/etcd/tls/certs
+        - name: etcd-etc
+          mountPath: /etcd-etc
+        - name: {{ .Values.service.name }}-keys
+          mountPath: /etc/etcd/tls/keys
+        - name: {{ .Values.service.name }}-etc
+          mountPath: /anchor-etcd
+  volumes:
+    - name: {{ .Values.service.name }}-bin
+      configMap:
+        name: {{ .Values.service.name }}-bin
+        defaultMode: 0555
+    - name: {{ .Values.service.name }}-certs
+      configMap:
+        name: {{ .Values.service.name }}-certs
+        defaultMode: 0444
+    - name: {{ .Values.service.name }}-keys
+      secret:
+        secretName: {{ .Values.service.name }}-keys
+        defaultMode: 0444
+    - name: etcd-etc
+      hostPath:
+        path: {{ .Values.etcd.host_etc_path }}
+    - name: {{ .Values.service.name }}-etc
+      configMap:
+        name: {{ .Values.service.name }}-etc
+        defaultMode: 0444
+...
+{{- end }}

charts/etcd/values.yaml

@@ -116,6 +116,13 @@ pod:
       limits:
         memory: "1024Mi"
         cpu: "2000m"
+    test:
+      limits:
+        memory: "128Mi"
+        cpu: "100m"
+      requests:
+        memory: "128Mi"
+        cpu: "100m"
 
 manifests:
   configmap_bin: true
@@ -124,3 +131,4 @@ manifests:
   daemonset_anchor: true
   secret: true
   service: true
+  test_etcd_health: true

examples/basic/armada-resources.yaml

@@ -1015,6 +1015,7 @@ data:
   timeout: 600
   wait:
     timeout: 600
+  test: true
   upgrade:
     no_hooks: true
   values:

examples/complete/armada-resources.yaml

@@ -1055,6 +1055,7 @@ data:
   timeout: 600
   wait:
     timeout: 600
+  test: true
   upgrade:
     no_hooks: true
   values: