stateful app example

database/deployment.yaml

+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: mysql-server
+  labels:
+    app: database
+spec:
+  replicas: 1
+  revisionHistoryLimit: 100
+  template:
+    metadata: 
+       labels:
+         app: database
+    spec:
+      containers:
+            - name: mysql
+              image: launcher.gcr.io/google/mysql5
+              env:
+                - name: "MYSQL_ROOT_PASSWORD"
+                  valueFrom:
+                    secretKeyRef:
+                      name: mysql-secret
+                      key: root
+                - name: MYSQL_USER
+                  valueFrom:
+                    secretKeyRef:
+                      name: mysql-secret
+                      key: username
+                - name: MYSQL_PASSWORD
+                  valueFrom:
+                    secretKeyRef:
+                      name: mysql-secret
+                      key: password
+                - name: MYSQL_DATABASE
+                  valueFrom:
+                     configMapKeyRef:
+                      name: mysql-configmap
+                      key: new-database-name
+              ports:
+                - containerPort: 3306
+                  name: mysql-port
+              volumeMounts:
+                - name: data
+                  mountPath: /var/lib/mysql
+                  subPath: data
+                - name: mysql-configmap
+                  mountPath: /etc/mysql/conf.d  
+              livenessProbe:
+                tcpSocket:
+                  port: 3306
+                initialDelaySeconds: 30
+                timeoutSeconds: 1
+      volumes:
+        - name: data
+          persistentVolumeClaim:
+            claimName: db-data-claim
+        - name: mysql-configmap
+          configMap:
+            name: mysql-configmap
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mysql-service
+  labels:
+    app: database
+spec:
+  type: ClusterIP
+  ports:
+  - port: 3306
+    protocol: TCP 
+  selector:
+    app: database
\ No newline at end of file

database/mysql-configmap.yaml

+apiVersion: v1
+data:
+  charset.cnf: |
+    [client]
+    #Esta es mi config personalizada
+    # Default is Latin1, if you need UTF-8 set this (also in server section)
+    default-character-set = utf8 
+
+    [mysqld]
+    #
+    # * Character sets
+    #
+    # Default is Latin1, if you need UTF-8 set all this (also in client section)
+    #
+    character-set-server  = utf8 
+    collation-server      = utf8_unicode_ci
+  new-database-name: my_database
+kind: ConfigMap
+metadata:
+  name: mysql-configmap
\ No newline at end of file

database/secret.yaml

+apiVersion: v1
+kind: Secret
+metadata:
+  name: mysql-secret
+type: Opaque
+data:
+  password: OTNERURzYWRuRUUzNA==
+  username: dXN1YXJpbzEyOTM=
+  root: REVGMzRxcmZkZTM0RERhMw==

database/storage.yaml

+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: data-prod
+  labels:
+    app: database
+    env: production
+spec:
+  capacity:
+    storage: 10Gi
+  accessModes:
+    - ReadWriteOnce
+  gcePersistentDisk:
+    pdName: mysql-persistence-production
+    fsType: ext4
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: data-dev
+  labels:
+    app: database
+    env: development
+spec:
+  capacity:
+    storage: 10Gi
+  accessModes:
+    - ReadWriteOnce
+  gcePersistentDisk:
+    pdName: mysql-persistence-devel
+    fsType: ext4
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: db-data-claim
+  labels:
+    app: database
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: ""
+  resources:
+    requests:
+      storage: 10Gi
+  selector: 
+    matchLabels: 
+      app: database
+      env: production
\ No newline at end of file