[COMMON] Use deployment for postgresql

Instead of statefulset + inner work in the container, use deployments in
order to be more reliable

Change-Id: Icf4fe1303ae3489c822558e28bb08b69af2d4970
Issue-ID: OOM-2234
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>

1 files changed, 138 insertions, 0 deletions

diff --git a/kubernetes/common/postgres/templates/deployment-primary.yaml b/kubernetes/common/postgres/templates/deployment-primary.yaml
new file mode 100644
index 0000000000..9cb3007400
--- /dev/null
+++ b/kubernetes/common/postgres/templates/deployment-primary.yaml
@@ -0,0 +1,138 @@
+{{/*
+# 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.
+*/}}
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: {{ include "common.fullname" . }}-primary
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.name" . }}-primary
+    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+    name: "{{ .Values.container.name.primary }}"
+spec:
+  serviceName: {{ .Values.service.name }}
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: {{ include "common.name" . }}-primary
+        release: {{ .Release.Name }}
+        name: "{{ .Values.container.name.primary }}"
+    spec:
+      initContainers:
+      - name: init-sysctl
+        command:
+        - /bin/sh
+        - -c
+        - |
+          chown 26:26 /podroot/;
+          chmod 700 /podroot/;
+        image: {{ .Values.global.busyboxRepository | default .Values.busyboxRepository }}/{{ .Values.busyboxImage }}
+        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
+        volumeMounts:
+        - name: {{ include "common.fullname" . }}-data
+          mountPath: /podroot/
+      containers:
+      - name: {{ include "common.name" . }}
+        image: "{{ .Values.postgresRepository }}/{{ .Values.image }}"
+        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
+        ports:
+        - containerPort: {{ .Values.service.internalPort }}
+          name: {{ .Values.service.portName }}
+        # disable liveness probe when breakpoints set in debugger
+        # so K8s doesn't restart unresponsive container
+        {{- if eq .Values.liveness.enabled true }}
+        livenessProbe:
+          tcpSocket:
+            port: {{ .Values.service.internalPort }}
+          initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
+          periodSeconds: {{ .Values.liveness.periodSeconds }}
+          timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
+        {{- end }}
+        readinessProbe:
+          tcpSocket:
+            port: {{ .Values.service.internalPort }}
+          initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
+          periodSeconds: {{ .Values.readiness.periodSeconds }}
+        env:
+        - name: PGHOST
+          value: /tmp
+        - name: PG_PRIMARY_USER
+          value: primaryuser
+        - name: PG_MODE
+          value: primary
+        - name: PG_PRIMARY_HOST
+          value: "{{ .Values.container.name.primary }}"
+        - name: PG_REPLICA_HOST
+          value: "{{ .Values.container.name.replica }}"
+        - name: PG_PRIMARY_PORT
+          value: "{{ .Values.service.internalPort }}"
+        - name: PG_PRIMARY_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: {{ template "common.fullname" . }}
+              key: pg-primary-password
+        - name: PG_USER
+          value: "{{ .Values.config.pgUserName }}"
+        - name: PG_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: {{ template "common.fullname" . }}
+              key: pg-user-password
+        - name: PG_DATABASE
+          value: "{{ .Values.config.pgDatabase }}"
+        - name: PG_ROOT_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: {{ template "common.fullname" . }}
+              key: pg-root-password
+        volumeMounts:
+        - name: pool-hba-conf
+          mountPath: /pgconf/pool_hba.conf
+          subPath: pool_hba.conf
+        - mountPath: /pgdata
+          name: {{ include "common.fullname" . }}-data
+        - mountPath: /backup
+          name: {{ include "common.fullname" . }}-backup
+          readOnly: true
+        resources:
+{{ include "common.resources" . | indent 12 }}
+        {{- if .Values.nodeSelector }}
+        nodeSelector:
+{{ toYaml .Values.nodeSelector | indent 10 }}
+        {{- end -}}
+        {{- if .Values.affinity }}
+        affinity:
+{{ toYaml .Values.affinity | indent 10 }}
+        {{- end }}
+      volumes:
+      - name: localtime
+        hostPath:
+          path: /etc/localtime
+      - name: {{ include "common.fullname" . }}-backup
+        emptyDir: {}
+      - name: {{ include "common.fullname" . }}-data
+{{- if .Values.persistence.enabled }}
+        persistentVolumeClaim:
+            claimName: {{ include "common.fullname" . }}-primary
+{{- else }}
+        emptyDir: {}
+{{ end }}
+      - name: pool-hba-conf
+        configMap:
+          name: {{ include "common.fullname" . }}