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Commit e09dad9

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bigbitbusbigbitbus
committed
Added jenkins workflow
1 parent 9cfb6e1 commit e09dad9

15 files changed

+220
-14
lines changed

‎aws-k8s-pgdb-with-terraform/aws-rds/db.tf

+1-1
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@@ -18,6 +18,6 @@ resource "aws_db_instance" "default" {
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name = "kubernetes101db"
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username = "${var.db_username}"
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password = "${var.db_password}"
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vpc_security_group_ids = ["sg-03dade87817c9c30f"] # aws_security_group_rule.kube-node-ingress-self
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vpc_security_group_ids = ["sg-e87817c9c30f"] # aws_security_group_rule.kube-node-ingress-self
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db_subnet_group_name = "${aws_db_subnet_group.dbsub.id}"
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}

‎jenkins/pipelines/Jenkinsfile-app-dev

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pipeline {
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agent any
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stages {
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stage('Build Docker image') {
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steps {
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sh 'echo "Build and push docker image...:"'
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sh '''#!/bin/bash
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GITREV=`git rev-parse --short HEAD`
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cat /opt/docker-hub-password.txt | docker login -u kubetotorial101 --password-stdin
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docker push kubetotorial101/pollproject:$GITREV
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'''
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}
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}
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stage('dev environment deploy') {
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steps {
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sh 'echo "Deploy to the development K8s namespace..."'
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sh '''
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export PATH=$HOME/software:$PATH
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kubectl config use-context demo-dev
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GITREV=`git rev-parse --short HEAD`
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git checkout development
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sed -i -e \"s/image:.*/image: kubetotorial101\\/pollproject:$GITREV/g\" kubecode/deployment_django.yaml
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kubectl apply -f kubecode/deployment_django.yaml --record
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sleep 15
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kubectl describe deploy django-deployment
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kubectl describe deploy django-deployment | grep "MinimumReplicasAvailable" | grep "True"
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'''
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}
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}
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stage ('Unit testing') {
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steps {
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sh 'echo "Invoking and performing unit tests inside docker container"'
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}
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}
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stage ('Developer sign-off') {
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steps {
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sh 'echo "Unit testing passed, so pushing changes into devevlopment branch"'
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sh '''
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git commit -a -m "Unit tests passed, developer sign-off"
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git push origin development
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'''
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}
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}
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}
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post {
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always {
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cleanWs()
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}
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}
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}
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‎jenkins/pipelines/Jenkinsfile-promote-prod

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@@ -0,0 +1,22 @@
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pipeline {
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agent any
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stages {
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stage('Production promotion') {
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steps {
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sh 'echo "Deploy to the production K8s namespace..."'
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sh '''
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export PATH=$HOME/software:$PATH
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kubectl config use-context demo-prod
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GITREV=`git rev-parse --short HEAD`
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echo "Deploying master branch ($GITREV) to production cluster."
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kubectl apply -f kubecode/deployment_django.yaml --record
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'''
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}
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}
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}
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post {
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always {
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cleanWs()
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}
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}
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}

‎jenkins/pipelines/Jenkinsfile-rollback

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@@ -0,0 +1,19 @@
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pipeline {
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agent any
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stages {
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stage('Roll back') {
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steps {
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sh 'echo "undo rollout"'
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sh '''
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export PATH=$HOME/software:$PATH
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kubectl config use-context demo-prod
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echo "History BEFORE roll-back"
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kubectl rollout history deployment.v1.apps/django-deployment
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kubectl rollout undo deployment.v1.apps/django-deployment
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echo "History AFTER roll-back"
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kubectl rollout history deployment.v1.apps/django-deployment
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'''
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}
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}
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}
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}

‎jenkins/pipelines/Jenkinsfile-scale

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pipeline {
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agent any
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parameters {
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string(
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name: 'REPLICAS',
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defaultValue:"2",
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description: "Number of pods running the application server")
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}
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stages {
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stage('Collecting current status') {
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steps {
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sh 'echo "Current replica status"'
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sh '''
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export PATH=$HOME/software:$PATH
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kubectl config use-context demo-prod
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kubectl get pods --selector=app=django
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'''
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}
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}
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stage('Scale app (click to input # replicas') {
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steps {
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sh "echo REPLICAS: ${params.REPLICAS}"
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sh """#!/usr/bin/env bash
24+
export PATH=$HOME/software:$PATH
25+
kubectl config use-context demo-prod
26+
kubectl scale deployment.v1.apps/django-deployment --replicas=${params.REPLICAS}
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"""
28+
}
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}
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stage('Collecting new status') {
31+
steps {
32+
sh 'echo "Current replica status"'
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sh '''
34+
export PATH=$HOME/software:$PATH
35+
kubectl config use-context demo-prod
36+
kubectl get pods --selector=app=django
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'''
38+
}
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}
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}
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}

‎jenkins/pipelines/Jenkinsfile-test-merge

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pipeline {
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agent any
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stages {
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stage('Create release candidate') {
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steps {
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sh 'echo "Creating release candidate branch from development."'
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sh '''
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GITREV=`git rev-parse --short HEAD`
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git branch release-candidate-$GITREV
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echo "Release candidate git hash is $GITREV"
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'''
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}
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}
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stage('Integration and Acceptance tests') {
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steps {
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sh 'echo "Running integration and acceptance tests"'
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sh 'echo "Running integration tests"'
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sh 'echo "Running acceptance tests"'
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sh 'echo "ALL tests passed"'
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}
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}
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stage('QA sign-off') {
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steps {
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sh 'echo "Integration and Acceptance tests passed, so merging into master branch"'
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sh '''
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GITREV=`git rev-parse --short HEAD`
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git fetch
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git checkout master
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git merge release-candidate-$GITREV
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git push origin master
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'''
32+
}
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}
34+
}
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post {
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always {
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cleanWs()
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}
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}
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}

‎kubecode/configmap_development.yaml

+1-1
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@@ -3,7 +3,7 @@ apiVersion: v1
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kind: ConfigMap
44
metadata:
55
name: postgres-config
6-
namespace: development
6+
namespace: demo-dev
77
data:
88
POSTGRES_DB: "kubetutorial101"
99
POSTGRES_USER: "postgres"

‎kubecode/configmap_production.yaml

+3-3
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@@ -3,10 +3,10 @@ apiVersion: v1
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kind: ConfigMap
44
metadata:
55
name: postgres-config
6-
namespace: production
6+
namespace: demo-prod
77
data:
8-
POSTGRES_DB: "kubernetes101db"
9-
POSTGRES_USER: "kubetutorial101"
8+
POSTGRES_DB: "kubetutorial101"
9+
POSTGRES_USER: "postgres"
1010
RUN_IN_PRODUCTION: "True"
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AWS_S3_REGION_NAME: "us-west-2"
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‎kubecode/create_development_namespace.json

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@@ -0,0 +1,10 @@
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{
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"kind": "Namespace",
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"apiVersion": "v1",
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"metadata": {
5+
"name": "demo-dev",
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"labels": {
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"name": "demo-dev"
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}
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}
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}

‎kubecode/create_prod_namespace.json

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@@ -0,0 +1,10 @@
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{
2+
"kind": "Namespace",
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"apiVersion": "v1",
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"metadata": {
5+
"name": "demo-prod",
6+
"labels": {
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"name": "demo-prod"
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}
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}
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}

‎kubecode/deployment_django.yaml

+3-3
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@@ -18,14 +18,14 @@ spec:
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containers:
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- name: django
2020
# Notice the tag is also included in the image
21-
image: kubernetes101/django_image:09f1419
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image: kubetotorial101/pollproject:b832173
2222
ports:
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- containerPort: 8000
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# Minimum and maximum resources allocated to the container.
2525
resources:
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requests:
27-
memory: "64Mi"
28-
cpu: "200m"
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memory: "32Mi"
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cpu: "50m"
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limits:
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memory: "128Mi"
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cpu: "400m"

‎kubecode/deployment_postgres_development.yaml

+3-3
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@@ -5,7 +5,7 @@ metadata:
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labels:
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app: postgres
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# A namespace is a virtual k8s cluster
8-
namespace: development
8+
namespace: demo-dev
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spec:
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# number of pods in the replicaset
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replicas: 1
@@ -27,10 +27,10 @@ spec:
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resources:
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requests:
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memory: "256Mi"
30-
cpu: "500m"
30+
cpu: "100m"
3131
limits:
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memory: "512Mi"
33-
cpu: "1000m"
33+
cpu: "300m"
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envFrom:
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- configMapRef:
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name: postgres-config

‎kubecode/ext_service_db_production.yaml

+2-2
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@@ -2,8 +2,8 @@ apiVersion: v1
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kind: Service
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metadata:
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name: pghost
5-
namespace: production
5+
namespace: demo-prod
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spec:
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type: ExternalName
8-
externalName: terraform-20181102201911881300000001.ctrkthnoul1u.us-west-2.rds.amazonaws.com
8+
externalName: terraform-20190219195934809500000001.ctrkthnoul1u.us-west-2.rds.amazonaws.com
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‎kubecode/service_db_development.yaml

+1-1
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@@ -2,7 +2,7 @@ apiVersion: v1
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kind: Service
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metadata:
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name: pghost
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namespace: development
5+
namespace: demo-dev
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spec:
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selector:
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app: postgres

‎kubecode/service_db_production.yaml

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@@ -0,0 +1,12 @@
1+
apiVersion: v1
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kind: Service
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metadata:
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name: pghost
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namespace: demo-prod
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spec:
7+
selector:
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app: postgres
9+
ports:
10+
- protocol: TCP
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port: 5432
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targetPort: 5432

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