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jenkins-terraform-ansible-docker-script
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jenkins-terraform-ansible-docker-script
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pipeline {
agent any
environment {
// Define environment variables
DOCKERHUB_CREDENTIALS = credentials('dockerhub-credentials')
GITHUB_REPO = 'https://github.com/CloudSihmar/pet.git'
DOCKER_IMAGE = 'cloudsihmar/sandeep-pet:latest'
TERRAFORM_DIR = 'terraform'
ANSIBLE_PLAYBOOK = 'install_docker.yml'
}
stages {
stage('Checkout Code') {
steps {
// Get the code from GitHub
git url: env.GITHUB_REPO
}
}
stage('Build with Maven') {
steps {
// Create a package using Maven
sh 'mvn clean package'
}
}
stage('Build Docker Image') {
steps {
// Build the Docker image and push it to DockerHub
script {
docker.withRegistry('', env.DOCKERHUB_CREDENTIALS) {
def app = docker.build(env.DOCKER_IMAGE)
app.push()
}
}
}
}
stage('Create Infrastructure with Terraform') {
steps {
// Initialize and apply Terraform to create the machine
dir(env.TERRAFORM_DIR) {
sh 'terraform init'
sh 'terraform apply -auto-approve'
}
script {
// Retrieve the instance IP and private key from Terraform outputs
def machineIP = sh(script: "terraform output -raw instance_ip", returnStdout: true).trim()
def privateKey = sh(script: "terraform output -raw private_key_pem", returnStdout: true).trim()
// Save the private key to a temporary file
writeFile file: 'ssh_key.pem', text: privateKey
sh 'chmod 600 ssh_key.pem'
}
}
}
stage('Install Docker using Ansible') {
steps {
script {
// Get the IP of the created machine using Terraform output
def machineIP = sh(script: "terraform output -raw instance_ip", returnStdout: true).trim()
// Write the Ansible inventory file dynamically
writeFile file: 'inventory.ini', text: """
[docker-host]
${machineIP} ansible_user=ubuntu ansible_ssh_private_key_file=ssh_key.pem
"""
// Run the Ansible playbook to install Docker
sh "ansible-playbook -i inventory.ini ${env.ANSIBLE_PLAYBOOK}"
}
}
}
stage('Deploy Application') {
steps {
script {
def machineIP = sh(script: "terraform output -raw instance_ip", returnStdout: true).trim()
// SSH into the machine and run the Docker container with the application
sh """
ssh -o StrictHostKeyChecking=no -i ssh_key.pem ubuntu@${machineIP} << EOF
docker run -d -p 8080:8080 ${env.DOCKER_IMAGE}
EOF
"""
}
}
}
}
post {
always {
// Cleanup Terraform resources after deployment
dir(env.TERRAFORM_DIR) {
sh 'terraform destroy -auto-approve'
}
// Remove the private key file for security reasons
sh 'rm -f ssh_key.pem'
}
}
}