Persistent volumes for Database storage

Addition of persistent volumes for all DBs including
persistence of policy mariadb (with initial configuration data)

Change-Id: I029e724c3f8bba7fe3599b0955a4a3d213c08163
Issue-ID: OOM-268
Signed-off-by: BorislavG <Borislav.Glozman@amdocs.com>
diff --git a/kubernetes/policy/templates/dep-maria.yaml b/kubernetes/policy/templates/dep-maria.yaml
index abbfdd8..2b0e40e 100644
--- a/kubernetes/policy/templates/dep-maria.yaml
+++ b/kubernetes/policy/templates/dep-maria.yaml
@@ -24,10 +24,17 @@
         name: mariadb
         ports:
         - containerPort: 3306
+        volumeMounts:
+        - mountPath: /var/lib/mysql
+          name: policy-mariadb-data
         readinessProbe:
           tcpSocket:
             port: 3306
           initialDelaySeconds: 5
           periodSeconds: 10
+      volumes:
+      - name: policy-mariadb-data
+        persistentVolumeClaim:
+          claimName: policy-db
       imagePullSecrets:
       - name: "{{ .Values.nsPrefix }}-docker-registry-key"
diff --git a/kubernetes/policy/templates/policy-pv-pvc.yaml b/kubernetes/policy/templates/policy-pv-pvc.yaml
new file mode 100644
index 0000000..dda9820
--- /dev/null
+++ b/kubernetes/policy/templates/policy-pv-pvc.yaml
@@ -0,0 +1,30 @@
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: policy-db
+  namespace: "{{ .Values.nsPrefix }}-policy"
+  labels:
+    name: policy-db
+spec:
+  capacity:
+    storage: 2Gi
+  accessModes:
+    - ReadWriteMany
+  persistentVolumeReclaimPolicy: Retain
+  hostPath:
+    path: /dockerdata-nfs/{{ .Values.nsPrefix }}/policy/mariadb/data/
+---
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: policy-db
+  namespace: "{{ .Values.nsPrefix }}-policy"
+spec:
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 2Gi
+  selector:
+    matchLabels:
+      name: policy-db