Policy Nexus component needs persistent volume

Issue-ID: OOM-849

Change-Id: I86692b520f9661fac06cb0e9ea1d0373eb04df27
Signed-off-by: Mahendra Raghuwanshi <mahendra.raghuwanshi@amdocs.com>

4 files changed, 114 insertions, 0 deletions

diff --git a/kubernetes/policy/charts/drools/charts/nexus/templates/deployment.yaml b/kubernetes/policy/charts/drools/charts/nexus/templates/deployment.yaml
index c4cc253b7f..c59ed08f3f 100644
--- a/kubernetes/policy/charts/drools/charts/nexus/templates/deployment.yaml
+++ b/kubernetes/policy/charts/drools/charts/nexus/templates/deployment.yaml
@@ -30,6 +30,14 @@ spec:
         app: {{ include "common.name" . }}
         release: {{ .Release.Name }}
     spec:
+      initContainers:
+      - command: ["sh", "-c", "chown -R 200:200 /share"]
+        image: "{{ .Values.global.ubuntuInitRepository }}/{{ .Values.global.ubuntuInitImage }}"
+        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
+        name: {{ include "common.name" . }}-init
+        volumeMounts:
+        - mountPath: /share
+          name: nexus-data
       containers:
         - name: {{ include "common.name" . }}
           image: "{{ .Values.global.repository | default .Values.repository }}/{{ .Values.image }}"
@@ -53,6 +61,8 @@ spec:
           - mountPath: /etc/localtime
             name: localtime
             readOnly: true
+          - mountPath: /sonatype-work
+            name: nexus-data
           resources:
 {{ toYaml .Values.resources | indent 12 }}
         {{- if .Values.nodeSelector }}
@@ -67,5 +77,12 @@ spec:
         - name: localtime
           hostPath:
             path: /etc/localtime
+        - name: nexus-data
+        {{- if .Values.persistence.enabled }}
+          persistentVolumeClaim:
+            claimName: {{ include "common.fullname" . }}
+        {{- else }}
+          emptyDir: {}
+        {{- end }}
       imagePullSecrets:
       - name: "{{ include "common.namespace" . }}-docker-registry-key"
diff --git a/kubernetes/policy/charts/drools/charts/nexus/templates/pv.yaml b/kubernetes/policy/charts/drools/charts/nexus/templates/pv.yaml
new file mode 100644
index 0000000000..8be3d4c9cb
--- /dev/null
+++ b/kubernetes/policy/charts/drools/charts/nexus/templates/pv.yaml
@@ -0,0 +1,37 @@
+{{/*
+# Copyright © 2017 Amdocs, Bell Canada
+#
+# 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.
+*/}}
+
+{{- if and .Values.persistence.enabled (not .Values.persistence.existingClaim) -}}
+kind: PersistentVolume
+apiVersion: v1
+metadata:
+  name: {{ include "common.fullname" . }}
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.name" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+    name: {{ include "common.fullname" . }}
+spec:
+  capacity:
+    storage: {{ .Values.persistence.size }}
+  accessModes:
+    - {{ .Values.persistence.accessMode }}
+  persistentVolumeReclaimPolicy: {{ .Values.persistence.volumeReclaimPolicy }}
+  hostPath:
+    path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ .Release.Namespace }}/{{ .Values.persistence.mountSubPath }}
+{{- end -}}
diff --git a/kubernetes/policy/charts/drools/charts/nexus/templates/pvc.yaml b/kubernetes/policy/charts/drools/charts/nexus/templates/pvc.yaml
new file mode 100644
index 0000000000..e27c3311e9
--- /dev/null
+++ b/kubernetes/policy/charts/drools/charts/nexus/templates/pvc.yaml
@@ -0,0 +1,48 @@
+{{/*
+# Copyright © 2017 Amdocs, Bell Canada
+#
+# 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.
+*/}}
+
+{{- if and .Values.persistence.enabled (not .Values.persistence.existingClaim) -}}
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: {{ include "common.fullname" . }}
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.name" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+{{- if .Values.persistence.annotations }}
+  annotations:
+{{ toYaml .Values.persistence.annotations | indent 4 }}
+{{- end }}
+spec:
+  selector:
+    matchLabels:
+      name: {{ include "common.fullname" . }}
+  accessModes:
+    - {{ .Values.persistence.accessMode }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size }}
+{{- if .Values.persistence.storageClass }}
+{{- if (eq "-" .Values.persistence.storageClass) }}
+  storageClassName: ""
+{{- else }}
+  storageClassName: "{{ .Values.persistence.storageClass }}"
+{{- end }}
+{{- end }}
+{{- end -}}
diff --git a/kubernetes/policy/charts/drools/charts/nexus/values.yaml b/kubernetes/policy/charts/drools/charts/nexus/values.yaml
index 250f0a70f8..667987640b 100644
--- a/kubernetes/policy/charts/drools/charts/nexus/values.yaml
+++ b/kubernetes/policy/charts/drools/charts/nexus/values.yaml
@@ -20,6 +20,9 @@ global:
   repositorySecret: eyJuZXh1czMub25hcC5vcmc6MTAwMDEiOnsidXNlcm5hbWUiOiJkb2NrZXIiLCJwYXNzd29yZCI6ImRvY2tlciIsImVtYWlsIjoiQCIsImF1dGgiOiJaRzlqYTJWeU9tUnZZMnRsY2c9PSJ9fQ==
   readinessRepository: oomk8s
   readinessImage: readiness-check:2.0.0
+  ubuntuInitRepository: oomk8s
+  ubuntuInitImage: ubuntu-init:1.0.0
+  persistence: {}
 
 #################################################################
 # Application configuration defaults.
@@ -64,6 +67,15 @@ service:
 ingress:
   enabled: false
 
+## Persist data to a persitent volume
+persistence:
+  enabled: true
+  volumeReclaimPolicy: Retain
+  accessMode: ReadWriteMany
+  size: 2Gi
+  mountPath: /dockerdata-nfs
+  mountSubPath: nexus/data
+
 resources: {}
   # We usually recommend not to specify default resources and to leave this as a conscious
   # choice for the user. This also increases chances charts run on environments with little