kubernetes: added sample controller and service description files

kubernetes/gitlab-controller.yml

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+apiVersion: v1
+kind: ReplicationController
+metadata:
+  name: gitlab
+  labels:
+    name: gitlab
+spec:
+  replicas: 1
+  selector:
+    name: gitlab
+  template:
+    metadata:
+      labels:
+        name: gitlab
+    spec:
+      containers:
+        - name: gitlab
+          image: sameersbn/gitlab:7.14.3
+          env:
+            - name: TZ
+              value: Asia/Kolkata
+            - name: GITLAB_TIMEZONE
+              value: Kolkata
+
+            - name: GITLAB_HOST
+              value: git.example.com
+            - name: GITLAB_PORT
+              value: "80"
+            - name: GITLAB_SSH_PORT
+              value: "22"
+
+            - name: GITLAB_EMAIL
+              value: [email protected]
+            - name: GITLAB_EMAIL_REPLY_TO
+              value: [email protected]
+
+            - name: GITLAB_BACKUPS
+              value: daily
+            - name: GITLAB_BACKUP_TIME
+              value: 01:00
+
+            - name: DB_TYPE
+              value: postgres
+            - name: DB_HOST
+              value: postgresql
+            - name: DB_PORT
+              value: "5432"
+            - name: DB_USER
+              value: gitlab
+            - name: DB_PASS
+              value: passw0rd
+            - name: DB_NAME
+              value: gitlab_production
+
+            - name: REDIS_HOST
+              value: redis
+            - name: REDIS_PORT
+              value: "6379"
+
+            - name: SMTP_ENABLED
+              value: "false"
+            - name: SMTP_DOMAIN
+              value: www.example.com
+            - name: SMTP_HOST
+              value: smtp.gmail.com
+            - name: SMTP_PORT
+              value: "587"
+            - name: SMTP_USER
+              value: [email protected]
+            - name: SMTP_PASS
+              value: password
+            - name: SMTP_STARTTLS
+              value: "true"
+            - name: SMTP_AUTHENTICATION
+              value: login
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+            - name: ssh
+              containerPort: 22
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 80
+            initialDelaySeconds: 300
+            timeoutSeconds: 1

kubernetes/gitlab-service.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: gitlab
+  labels:
+    name: gitlab
+spec:
+  type: LoadBalancer
+  ports:
+    - name: http
+      port: 80
+      targetPort: 80
+      protocol: TCP
+    - name: ssh
+      port: 22
+      targetPort: 22
+      protocol: TCP
+  selector:
+    name: gitlab

kubernetes/postgresql-controller.yml

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+apiVersion: v1
+kind: ReplicationController
+metadata:
+  name: postgresql
+  labels:
+    name: postgresql
+spec:
+  replicas: 1
+  selector:
+    name: postgresql
+  template:
+    metadata:
+      labels:
+        name: postgresql
+    spec:
+      containers:
+        - name: postgresql
+          image: sameersbn/postgresql:9.4-4
+          env:
+            - name: DB_USER
+              value: gitlab
+            - name: DB_PASS
+              value: passw0rd
+            - name: DB_NAME
+              value: gitlab_production
+          ports:
+            - containerPort: 5432
+              protocol: TCP
+          livenessProbe:
+            TCPSocket:
+              port: 5432
+            initialDelaySeconds: 30
+            timeoutSeconds: 1

kubernetes/postgresql-service.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: postgresql
+  labels:
+    name: postgresql
+spec:
+  type: LoadBalancer
+  ports:
+    - port: 5432
+      targetPort: 5432
+      protocol: TCP
+  selector:
+    name: postgresql

kubernetes/redis-controller.yml

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+apiVersion: v1
+kind: ReplicationController
+metadata:
+  name: redis
+  labels:
+    name: redis
+spec:
+  replicas: 1
+  selector:
+    name: redis
+  template:
+    metadata:
+      labels:
+        name: redis
+    spec:
+      containers:
+        - name: redis
+          image: sameersbn/redis
+          ports:
+            - containerPort: 6379
+              protocol: TCP
+          livenessProbe:
+            TCPSocket:
+              port: 6379
+            initialDelaySeconds: 30
+            timeoutSeconds: 1

kubernetes/redis-service.yml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: redis
+  labels:
+    name: redis
+spec:
+  type: LoadBalancer
+  ports:
+    - port: 6379
+      targetPort: 6379
+      protocol: TCP
+  selector:
+    name: redis