Configure APPC ODL cluster for persistent storage

Change-Id: I1ceb0ee27bd758f9d1dac5e3dfac808dbeaae6ab
Issue-ID: OOM-779
Signed-off-by: BorislavG <Borislav.Glozman@amdocs.com>

3 files changed, 170 insertions, 0 deletions

diff --git a/kubernetes/appc/templates/pv.yaml b/kubernetes/appc/templates/pv.yaml
new file mode 100644
index 0000000000..10214097e3
--- /dev/null
+++ b/kubernetes/appc/templates/pv.yaml
@@ -0,0 +1,130 @@
+{{/*
+# Copyright © 2018 Amdocs, AT&T, 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) -}}
+{{ $pvNum := default 1 .Values.replicaCount | int }}
+kind: PersistentVolume
+apiVersion: v1
+metadata:
+  name: {{ include "common.fullname" . }}-data0
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.fullname" . }}
+    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 }}
+  storageClassName: "{{ include "common.fullname" . }}-data"
+  persistentVolumeReclaimPolicy: {{ .Values.persistence.volumeReclaimPolicy }}
+  hostPath:
+    path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ .Release.Name }}/{{ .Values.persistence.mountSubPath }}0
+{{ if gt $pvNum 1 }}
+---
+kind: PersistentVolume
+apiVersion: v1
+metadata:
+  name: {{ include "common.fullname" . }}-data1
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.fullname" . }}
+    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 }}
+  storageClassName: "{{ include "common.fullname" . }}-data"
+  persistentVolumeReclaimPolicy: {{ .Values.persistence.volumeReclaimPolicy }}
+  hostPath:
+    path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ .Release.Name }}/{{ .Values.persistence.mountSubPath }}1
+{{ end }}
+{{ if gt $pvNum 2 }}
+---
+kind: PersistentVolume
+apiVersion: v1
+metadata:
+  name: {{ include "common.fullname" . }}-data2
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.fullname" . }}
+    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 }}
+  storageClassName: "{{ include "common.fullname" . }}-data"
+  persistentVolumeReclaimPolicy: {{ .Values.persistence.volumeReclaimPolicy }}
+  hostPath:
+    path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ .Release.Name }}/{{ .Values.persistence.mountSubPath }}2
+{{ end }}
+{{ if gt $pvNum 3 }}
+---
+kind: PersistentVolume
+apiVersion: v1
+metadata:
+  name: {{ include "common.fullname" . }}-data3
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.fullname" . }}
+    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 }}
+  storageClassName: "{{ include "common.fullname" . }}-data"
+  persistentVolumeReclaimPolicy: {{ .Values.persistence.volumeReclaimPolicy }}
+  hostPath:
+    path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ .Release.Name }}/{{ .Values.persistence.mountSubPath }}3
+{{ end }}
+{{ if gt $pvNum 4 }}
+---
+kind: PersistentVolume
+apiVersion: v1
+metadata:
+  name: {{ include "common.fullname" . }}-data4
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.fullname" . }}
+    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 }}
+  storageClassName: "{{ include "common.fullname" . }}-data"
+  persistentVolumeReclaimPolicy: {{ .Values.persistence.volumeReclaimPolicy }}
+  hostPath:
+    path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ .Release.Name }}/{{ .Values.persistence.mountSubPath }}4
+{{ end }}
+{{- end -}}
diff --git a/kubernetes/appc/templates/statefulset.yaml b/kubernetes/appc/templates/statefulset.yaml
index 5da50a5fdf..1eaae73175 100644
--- a/kubernetes/appc/templates/statefulset.yaml
+++ b/kubernetes/appc/templates/statefulset.yaml
@@ -112,6 +112,8 @@ spec:
           - mountPath: /opt/onap/ccsdk/bin/installSdncDb.sh
             name: onap-sdnc-bin
             subPath: installSdncDb.sh
+          - mountPath: {{ .Values.persistence.mdsalPath }}
+            name: {{ include "common.fullname" . }}-data
           - mountPath: /var/log/onap
             name: logs
           - mountPath: /opt/opendaylight/current/etc/org.ops4j.pax.logging.cfg
@@ -182,5 +184,21 @@ spec:
           configMap:
             name: {{ include "common.fullname" . }}-onap-sdnc-bin
             defaultMode: 0755
+#{{ if not .Values.persistence.enabled }}
+        - name: {{ include "common.fullname" . }}-data
+          emptyDir: {}
+#{{ else }}
+  volumeClaimTemplates:
+  - metadata:
+      name: {{ include "common.fullname" . }}-data
+      labels:
+        name: {{ include "common.fullname" . }}
+    spec:
+      accessModes: [ {{ .Values.persistence.accessMode }} ]
+      storageClassName: {{ include "common.fullname" . }}-data
+      resources:
+        requests:
+          storage: {{ .Values.persistence.size }}
+#{{ end }}
       imagePullSecrets:
       - name: "{{ include "common.namespace" . }}-docker-registry-key"
diff --git a/kubernetes/appc/values.yaml b/kubernetes/appc/values.yaml
index a9f67a9375..962ecfdd27 100644
--- a/kubernetes/appc/values.yaml
+++ b/kubernetes/appc/values.yaml
@@ -97,6 +97,28 @@ service:
   nodePort2: 31
   clusterPort: 2550
 
+## Persist data to a persitent volume
+persistence:
+  enabled: true
+
+  ## A manually managed Persistent Volume and Claim
+  ## Requires persistence.enabled: true
+  ## If defined, PVC must be created manually before volume will be bound
+  # existingClaim:
+  volumeReclaimPolicy: Retain
+
+  ## database data Persistent Volume Storage Class
+  ## If defined, storageClassName: <storageClass>
+  ## If set to "-", storageClassName: "", which disables dynamic provisioning
+  ## If undefined (the default) or set to null, no storageClassName spec is
+  ##   set, choosing the default provisioner.  (gp2 on AWS, standard on
+  ##   GKE, AWS & OpenStack)
+  accessMode: ReadWriteOnce
+  size: 1Gi
+  mountPath: /dockerdata-nfs
+  mountSubPath: appc/mdsal
+  mdsalPath: /opt/opendaylight/current/daexim
+
 ingress:
   enabled: false