Production

Jenkinsfile

@@ -0,0 +1,45 @@
+node {
+  def project = 'snsumner75'
+  def appName = 'python_api'
+  def feSvcName = "${appName}"
+  def namespace = 'production'
+  def imageTag = "quay.io/${project}/${appName}:${env.BRANCH_NAME}.v${env.BUILD_NUMBER}"
+  checkout scm
+
+  stage 'Printenv'
+  sh("printenv")
+
+  stage 'Login to Quay.io'
+  sh("docker login -u=\"${env.quay_username}\" -p=\"${env.quay_password}\" quay.io")
+
+  stage 'Build image'
+  sh("docker build -t ${imageTag} .")
+
+//  stage 'Run Go tests '
+//  sh("docker run ${imageTag} go test")
+
+  stage 'Push image to Quay.io registry'
+  sh("docker push ${imageTag}")
+
+  stage "Deploy Application"
+  switch (env.BRANCH_NAME) {
+     case "canary":
+         // Roll out to canary environment
+         // Change deployed image in canary to the one we just built
+         sh("sed -i.bak 's#quay.io/${project}/${appName}:.*\$#${imageTag}#' ./k8s/canary/*.yaml")
+         sh("kubectl --namespace=${namespace} apply -f k8s/services/")
+         sh("kubectl --namespace=${namespace} apply -f k8s/canary/")
+    break
+
+    case "production":
+         // Roll out to production environment
+         // Change deployed image in canary to the one we just built
+         sh("sed -i.bak 's#quay.io/${project}/${appName}:.*\$#${imageTag}#' ./k8s/production/*.yaml")
+         sh("kubectl --namespace=${namespace} apply -f k8s/services/")
+         sh("kubectl --namespace=${namespace} apply -f k8s/production/")
+    break
+
+    default:
+    break
+  }
+}

Jenkinsfile-canary

@@ -0,0 +1,32 @@
+node {
+  def project = 'chris_ricci'
+  def appName = 'python_api'
+  def feSvcName = "${appName}"
+  def namespace = 'production'
+  def imageTag = "quay.io/${project}/${appName}:canary.v${env.BUILD_NUMBER}"
+  checkout scm
+
+  stage 'Printenv'
+  sh("printenv")
+
+  stage 'Login to Quay.io'
+  sh("docker login -u=\"${env.quay_username}\" -p=\"${env.quay_password}\" quay.io")
+
+  stage 'Build image'
+  sh("docker build -t ${imageTag} .")
+
+//  stage 'Run Go tests '
+//  sh("docker run ${imageTag} go test")
+
+  stage 'Push image to Quay.io registry'
+  sh("docker push ${imageTag}")
+
+  stage "Deploy Application"
+  // Roll out to canary environment
+  // Change deployed image in canary to the one we just built
+  sh("sed -i.bak 's#quay.io/${project}/${appName}:.*\$#${imageTag}#' ./k8s/canary/*.yaml")
+  sh("kubectl --namespace=${namespace} apply -f k8s/services/")
+  sh("kubectl --namespace=${namespace} apply -f k8s/canary/")
+  //sh("echo http://`kubectl --namespace=${namespace} get service/${feSvcName} --output=json | jq -r '.status.loadBalancer.ingress[0].ip'` > ${feSvcName}")
+  //break
+}

Jenkinsfile-production

@@ -0,0 +1,32 @@
+node {
+  def project = 'chris_ricci'
+  def appName = 'python_api'
+  def feSvcName = "${appName}"
+  def namespace = 'production'
+  def imageTag = "quay.io/${project}/${appName}:production.v${env.BUILD_NUMBER}"
+  checkout scm
+
+  stage 'Printenv'
+  sh("printenv")
+
+  stage 'Login to Quay.io'
+  sh("docker login -u=\"${env.quay_username}\" -p=\"${env.quay_password}\" quay.io")
+
+  stage 'Build image'
+  sh("docker build -t ${imageTag} .")
+
+//  stage 'Run Go tests '
+//  sh("docker run ${imageTag} go test")
+
+  stage 'Push image to Quay.io registry'
+  sh("docker push ${imageTag}")
+
+  stage "Deploy Application"
+  // Roll out to canary environment
+  // Change deployed image in production to the one we just built
+  sh("sed -i.bak 's#quay.io/${project}/${appName}:.*\$#${imageTag}#' ./k8s/production/*.yaml")
+  sh("kubectl --namespace=${namespace} apply -f k8s/services/")
+  sh("kubectl --namespace=${namespace} apply -f k8s/production/")
+  //sh("echo http://`kubectl --namespace=${namespace} get service/${feSvcName} --output=json | jq -r '.status.loadBalancer.ingress[0].ip'` > ${feSvcName}")
+  //break
+}

app/views.py

@@ -5,4 +5,4 @@
 @app.route('/index')
 def index():
 	timestamp = str(datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S'))	
-	return timestamp + " Hello, World!\n"
+	return timestamp + " Hello, World! - Version 1.0\n"

k8s/canary/python-api.yaml

@@ -0,0 +1,28 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  labels:
+    app: python-api
+    env: canary
+  name: python-api-canary
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: python-api
+        env: canary
+    spec:
+      containers:
+      - image: quay.io/snsumner75/python_api:v1
+        imagePullPolicy: IfNotPresent
+        name: python-api
+        ports:
+        - containerPort: 5000
+          protocol: TCP
+        resources: {}
+        terminationMessagePath: /dev/termination-log
+      dnsPolicy: ClusterFirst
+      restartPolicy: Always
+      securityContext: {}
+      terminationGracePeriodSeconds: 30

k8s/production/python-api.yaml

@@ -0,0 +1,28 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  labels:
+    app: python-api
+    env: production
+  name: python-api-production
+spec:
+  replicas: 4
+  template:
+    metadata:
+      labels:
+        app: python-api
+        env: production
+    spec:
+      containers:
+      - image: quay.io/snsumner75/python_api:v1
+        imagePullPolicy: IfNotPresent
+        name: python-api
+        ports:
+        - containerPort: 5000
+          protocol: TCP
+        resources: {}
+        terminationMessagePath: /dev/termination-log
+      dnsPolicy: ClusterFirst
+      restartPolicy: Always
+      securityContext: {}
+      terminationGracePeriodSeconds: 30

k8s/production/samplewebapp.yaml.old

@@ -0,0 +1,32 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  labels:
+    app: simplewebapp 
+    env: production
+  name: simplewebapp
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: simplewebapp
+      env: production
+  strategy:
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 1
+    type: RollingUpdate
+    spec:
+      containers:
+      - image: quay.io/chris_ricci/simplewebapp:v21
+        imagePullPolicy: IfNotPresent
+        name: simplewebapp
+        ports:
+        - containerPort: 80
+          protocol: TCP
+        resources: {}
+        terminationMessagePath: /dev/termination-log
+      dnsPolicy: ClusterFirst
+      restartPolicy: Always
+      securityContext: {}
+      terminationGracePeriodSeconds: 30

k8s/services/python-api-svc.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: python-api 
+spec:
+  ports:
+  - port: 80
+    protocol: TCP
+    targetPort: 5000 
+  selector:
+    app: python-api 
+  type: LoadBalancer