deployment: add kubernetes and google cloud manifests

Author: edshadi

cloudbuild.cd.yaml

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+# BE CAREFUL MODIFYING THIS FILE
+
+# This has our continous delivery steps.
+steps:
+  # This step runs the unit tests on the app
+  - id: Test
+    name: 'gcr.io/cloud-builders/go'
+    args: ['test','./...']
+    env: ['PROJECT_ROOT=github.com/expandorg/assignment']
+  # # This step builds the container image
+  - id: Build
+    name: 'gcr.io/cloud-builders/docker'
+    args: ['build', '--tag=gcr.io/$PROJECT_ID/$_NAME:$SHORT_SHA', '.']
+  - id: BuildMigration
+    name: 'gcr.io/cloud-builders/docker'
+    args: ['build', '--tag=gcr.io/$PROJECT_ID/$_NAME-migration:$SHORT_SHA', 'migrations']
+  
+  # This step pushes the image to Container Registry
+  - id: Push To Registry
+    name: 'gcr.io/cloud-builders/docker'
+    args: ['push', 'gcr.io/$PROJECT_ID/$_NAME:$SHORT_SHA']
+  - id: PushMigration 
+    name: 'gcr.io/cloud-builders/docker'
+    args: ['push', 'gcr.io/$PROJECT_ID/$_NAME-migration:$SHORT_SHA']
+    
+  # This step deploys the new version of our container image
+  # in the Kubernetes Engine cluster.
+  - id: Generate Kuberentes Manifest
+    name: 'gcr.io/cloud-builders/gcloud'
+    entrypoint: /bin/sh
+    args:
+    - '-c'
+    - |
+      sed "s/VERSION/${SHORT_SHA}/g;s/NAME/${_NAME}/g;s/MIGRATION/${_MIGRATION}/g;s/ORG/${PROJECT_ID}/g;s/ENV/${_ENV}/g;s/APP/${_APP}/g;s/DATA/${_DATA}/g" k8s.yaml > kubernetes.yaml
+  
+  # Jobs image field is immutable, we delete and recreate it with new image.
+  - id: Delete Migration Job
+    name: 'gcr.io/cloud-builders/kubectl'
+    args:
+    - 'delete'
+    - 'job'
+    - '${_MIGRATION}'
+    env:
+    - CLOUDSDK_COMPUTE_ZONE=$_ZONE
+    - CLOUDSDK_CONTAINER_CLUSTER=$_CLUSTER
+    
+  - id: Deploy
+    name: 'gcr.io/cloud-builders/kubectl'
+    args:
+    - 'apply'
+    - '-f'
+    - 'kubernetes.yaml'
+    env:
+    - CLOUDSDK_COMPUTE_ZONE=$_ZONE
+    - CLOUDSDK_CONTAINER_CLUSTER=$_CLUSTER
+

k8s.yaml

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+# BE CAREFUL MODIFYING THIS FILE
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: APP
+spec:
+  selector:
+    matchLabels:
+      app: APP
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: APP
+    spec:
+      containers:
+      - name: APP
+        image: gcr.io/ORG/NAME:VERSION
+        command: ["./assignment"]
+        args: ["--env=ENV"]
+        env:
+        - name: ASSIGNMENT_DB_HOST
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: ASSIGNMENT_DB_HOST
+        - name: ASSIGNMENT_DB_PORT
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: ASSIGNMENT_DB_PORT
+        - name: ASSIGNMENT_DB
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: ASSIGNMENT_DB
+        - name: ASSIGNMENT_DB_USER
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: ASSIGNMENT_DB_USER
+        - name: ASSIGNMENT_DB_PASSWORD
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: ASSIGNMENT_DB_PASSWORD
+        - name: JWT_SECRET
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: JWT_SECRET
+        - name: TASK_SVC_URL
+          valueFrom:
+            configMapKeyRef:
+              name: assignment-data
+              key: TASK_SVC_URL
+        ports: 
+        - containerPort: 8182
+        resources: {}
+      
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: MIGRATION
+spec:
+  ttlSecondsAfterFinished: 100
+  template:
+    metadata:
+      labels:
+        app: MIGRATION
+    spec:
+      containers:
+      - name: MIGRATION
+        image: gcr.io/ORG/NAME-migration:VERSION
+        args: ["composeup"]
+        env:
+        - name: ASSIGNMENT_DB_HOST
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: ASSIGNMENT_DB_HOST
+        - name: ASSIGNMENT_DB_PORT
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: ASSIGNMENT_DB_PORT
+        - name: ASSIGNMENT_DB
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: ASSIGNMENT_DB
+        - name: ASSIGNMENT_DB_USER
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: ASSIGNMENT_DB_USER
+        - name: ASSIGNMENT_DB_PASSWORD
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: ASSIGNMENT_DB_PASSWORD
+        - name: JWT_SECRET
+          valueFrom:
+            configMapKeyRef:
+              name: DATA
+              key: JWT_SECRET
+        - name: TASK_SVC_URL
+          valueFrom:
+            configMapKeyRef:
+              name: assignment-data
+              key: TASK_SVC_URL
+      restartPolicy: Never
+  backoffLimit: 4
+---
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: APP
+spec:
+  selector:
+    app: APP
+  ports:
+  - port: 80
+    targetPort: 8182
+  type: LoadBalancer