gerrit: charts and app configuration

Change-Id: If4f05f749719d6ba0e2ced8da563699bc6fbc4c0
diff --git a/charts/gerrit/templates/gerrit.stateful-set.yaml b/charts/gerrit/templates/gerrit.stateful-set.yaml
new file mode 100644
index 0000000..2669325
--- /dev/null
+++ b/charts/gerrit/templates/gerrit.stateful-set.yaml
@@ -0,0 +1,299 @@
+{{- $root := . -}}
+
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ .Release.Name }}-gerrit-stateful-set
+  labels:
+    app.kubernetes.io/component: gerrit
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    chart: {{ template "gerrit.chart" . }}
+    heritage: {{ .Release.Service }}
+    release: {{ .Release.Name }}
+    {{- if .Values.additionalLabels }}
+{{ toYaml .Values.additionalLabels  | indent 4 }}
+    {{- end }}
+spec:
+  serviceName: {{ .Release.Name }}-gerrit-service
+  replicas: {{ .Values.gerrit.replicas }}
+  updateStrategy:
+    rollingUpdate:
+      partition: {{ .Values.gerrit.updatePartition }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/component: gerrit
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/component: gerrit
+        app.kubernetes.io/instance: {{ .Release.Name }}
+        chart: {{ template "gerrit.chart" . }}
+        heritage: {{ .Release.Service }}
+        release: {{ .Release.Name }}
+        {{- if .Values.additionalLabels }}
+{{ toYaml .Values.additionalLabels  | indent 8 }}
+        {{- end }}
+        {{- if .Values.gerrit.additionalPodLabels }}
+{{ toYaml .Values.gerrit.additionalPodLabels  | indent 8 }}
+        {{- end }}
+      annotations:
+        chartRevision: "{{ .Release.Revision }}"
+        {{- if .Values.gerrit.additionalAnnotations }}
+{{ toYaml .Values.gerrit.additionalAnnotations  | indent 8 }}
+        {{- end }}
+    spec:
+      {{- with .Values.gerrit.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.gerrit.topologySpreadConstraints }}
+      topologySpreadConstraints:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.gerrit.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.gerrit.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.gerrit.priorityClassName }}
+      priorityClassName: {{ . }}
+      {{- end }}
+      terminationGracePeriodSeconds: {{ .Values.gerrit.gracefulStopTimeout }}
+      securityContext:
+        fsGroup: 100
+      {{ if .Values.images.registry.ImagePullSecret.name -}}
+      imagePullSecrets:
+      - name: {{ .Values.images.registry.ImagePullSecret.name }}
+      {{- range .Values.images.additionalImagePullSecrets }}
+      - name: {{ . }}
+      {{- end }}
+      {{- end }}
+      initContainers:
+      {{- if and .Values.nfsWorkaround.enabled .Values.nfsWorkaround.chownOnStartup }}
+      - name: nfs-init
+        image: {{ .Values.images.busybox.registry -}}/busybox:{{- .Values.images.busybox.tag }}
+        command:
+        - sh
+        - -c
+        args:
+        - |
+          chown 1000:100 /var/mnt/logs
+          chown 1000:100 /var/mnt/git
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        volumeMounts:
+        - name: logs
+          subPathExpr: "gerrit-replica/$(POD_NAME)"
+          mountPath: "/var/mnt/logs"
+        - name: git-repositories
+          mountPath: "/var/mnt/git"
+        {{- if .Values.nfsWorkaround.idDomain }}
+        - name: nfs-config
+          mountPath: "/etc/idmapd.conf"
+          subPath: idmapd.conf
+        {{- end }}
+      {{- end }}
+      - name: gerrit-init
+        image: {{ template "registry" . }}{{ .Values.gerrit.images.gerritInit }}:{{ .Values.images.version }}
+        imagePullPolicy: {{ .Values.images.imagePullPolicy }}
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        volumeMounts:
+        - name: gerrit-site
+          mountPath: "/var/gerrit"
+        - name: git-repositories
+          mountPath: "/var/mnt/git"
+        - name: logs
+          subPathExpr: "gerrit/$(POD_NAME)"
+          mountPath: "/var/mnt/logs"
+        - name: gerrit-init-config
+          mountPath: "/var/config/gerrit-init.yaml"
+          subPath: gerrit-init.yaml
+        {{- if and .Values.nfsWorkaround.enabled .Values.nfsWorkaround.idDomain }}
+        - name: nfs-config
+          mountPath: "/etc/idmapd.conf"
+          subPath: idmapd.conf
+        {{- end }}
+        {{- if and .Values.gerrit.pluginManagement.cache.enabled }}
+        - name: gerrit-plugin-cache
+          mountPath: "/var/mnt/plugins"
+        {{- end }}
+        {{ if eq .Values.gerrit.index.type "elasticsearch" -}}
+        - name: gerrit-index-config
+          mountPath: "/var/mnt/index"
+        {{- end }}
+        - name: gerrit-config
+          mountPath: "/var/mnt/etc/config"
+        - name: gerrit-secure-config
+          mountPath: "/var/mnt/etc/secret"
+        {{ if .Values.caCert -}}
+        - name: tls-ca
+          subPath: ca.crt
+          mountPath: "/var/config/ca.crt"
+        {{- end }}
+        {{- range .Values.gerrit.additionalConfigMaps }}
+        - name: {{ .name }}
+          mountPath: "/var/mnt/data/{{ .subDir }}"
+        {{- end }}
+      containers:
+      - name: gerrit
+        image: {{ template "registry" . }}{{ .Values.gerrit.images.gerrit }}:{{ .Values.images.version }}
+        imagePullPolicy: {{ .Values.images.imagePullPolicy }}
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        lifecycle:
+          preStop:
+            exec:
+              command:
+                - "/bin/ash"
+                - "-c"
+                - "kill -2 $(pidof java) && tail --pid=$(pidof java) -f /dev/null"
+        ports:
+        - name: gerrit-port
+          containerPort: 8080
+        {{- if .Values.gerrit.service.ssh.enabled }}
+        - name: gerrit-ssh
+          containerPort: 29418
+        {{- end }}
+        volumeMounts:
+        - name: gerrit-site
+          mountPath: "/var/gerrit"
+        - name: git-repositories
+          mountPath: "/var/mnt/git"
+        - name: logs
+          subPathExpr: "gerrit/$(POD_NAME)"
+          mountPath: "/var/mnt/logs"
+        {{- if and .Values.nfsWorkaround.enabled .Values.nfsWorkaround.idDomain }}
+        - name: nfs-config
+          mountPath: "/etc/idmapd.conf"
+          subPath: idmapd.conf
+        {{- end }}
+        {{ if eq .Values.gerrit.index.type "elasticsearch" -}}
+        - name: gerrit-index-config
+          mountPath: "/var/mnt/index"
+        {{- end }}
+        - name: gerrit-config
+          mountPath: "/var/mnt/etc/config"
+        - name: gerrit-secure-config
+          mountPath: "/var/mnt/etc/secret"
+        {{- range .Values.gerrit.additionalConfigMaps }}
+        - name: {{ .name }}
+          mountPath: "/var/mnt/data/{{ .subDir }}"
+        {{- end }}
+        resources:
+{{ toYaml .Values.gerrit.resources | indent 10 }}
+        livenessProbe:
+          httpGet:
+            path: /config/server/healthcheck~status
+            port: gerrit-port
+{{- if .Values.gerrit.probeScheme }}
+            scheme: {{ .Values.gerrit.probeScheme }}
+{{- end }}
+{{ toYaml .Values.gerrit.livenessProbe | indent 10 }}
+        readinessProbe:
+          httpGet:
+            path: /config/server/healthcheck~status
+            port: gerrit-port
+{{- if .Values.gerrit.probeScheme }}
+            scheme: {{ .Values.gerrit.probeScheme }}
+{{- end }}
+{{ toYaml .Values.gerrit.readinessProbe | indent 10 }}
+        startupProbe:
+          httpGet:
+            path: /config/server/healthcheck~status
+            port: gerrit-port
+{{- if .Values.gerrit.probeScheme }}
+            scheme: {{ .Values.gerrit.probeScheme }}
+{{- end }}
+{{ toYaml .Values.gerrit.startupProbe | indent 10 }}
+      volumes:
+      {{ if not .Values.gerrit.persistence.enabled -}}
+      - name: gerrit-site
+        emptyDir: {}
+      {{- end }}
+      {{- if and .Values.gerrit.pluginManagement.cache.enabled }}
+      - name: gerrit-plugin-cache
+        persistentVolumeClaim:
+          claimName: {{ .Release.Name }}-plugin-cache-pvc
+      {{- end }}
+      - name: git-repositories
+        persistentVolumeClaim:
+          {{- if .Values.gitRepositoryStorage.externalPVC.use }}
+          claimName: {{ .Values.gitRepositoryStorage.externalPVC.name }}
+          {{- else }}
+          claimName: {{ .Release.Name }}-git-repositories-pvc
+          {{- end }}
+      - name: logs
+        {{ if .Values.logStorage.enabled -}}
+        persistentVolumeClaim:
+          {{- if .Values.logStorage.externalPVC.use }}
+          claimName: {{ .Values.logStorage.externalPVC.name }}
+          {{- else }}
+          claimName: {{ .Release.Name }}-log-pvc
+          {{- end }}
+        {{ else -}}
+        emptyDir: {}
+        {{- end }}
+      - name: gerrit-init-config
+        configMap:
+          name: {{ .Release.Name }}-gerrit-init-configmap
+      {{ if eq .Values.gerrit.index.type "elasticsearch" -}}
+      - name: gerrit-index-config
+        persistentVolumeClaim:
+          claimName: {{ .Release.Name }}-gerrit-index-config-pvc
+      {{- end }}
+      - name: gerrit-config
+        configMap:
+          name: {{ .Release.Name }}-gerrit-configmap
+      - name: gerrit-secure-config
+        secret:
+          secretName: {{ .Release.Name }}-gerrit-secure-config
+      {{ if .Values.caCert -}}
+      - name: tls-ca
+        secret:
+          secretName: {{ .Release.Name }}-tls-ca
+      {{- end }}
+      {{- range .Values.gerrit.additionalConfigMaps }}
+      - name: {{ .name }}
+        configMap:
+          name: {{ if .data }}{{ $root.Release.Name }}-{{ .name }}{{ else }}{{ .name }}{{ end }}
+      {{- end }}
+      {{- if and .Values.nfsWorkaround.enabled .Values.nfsWorkaround.idDomain }}
+      - name: nfs-config
+        configMap:
+          name: {{ .Release.Name }}-nfs-configmap
+      {{- end }}
+  {{ if .Values.gerrit.persistence.enabled -}}
+  volumeClaimTemplates:
+  - metadata:
+      name: gerrit-site
+      labels:
+        app.kubernetes.io/component: gerrit
+        app.kubernetes.io/instance: {{ .Release.Name }}
+        chart: {{ template "gerrit.chart" . }}
+        heritage: {{ .Release.Service }}
+        release: {{ .Release.Name }}
+        {{- if .Values.additionalLabels }}
+{{ toYaml .Values.additionalLabels  | indent 8 }}
+        {{- end }}
+    spec:
+      accessModes:
+      - ReadWriteOnce
+      resources:
+        requests:
+          storage: {{ .Values.gerrit.persistence.size }}
+      storageClassName: {{ .Values.storageClasses.default.name }}
+  {{- end }}