siddharth07-ui / flask-devops-project

flask-devops-project

Building and deploying a flask application using Doker, Jenkins and Kubernetes

Configure Jenkins as a service --

Follow path given on page - https://www.jenkins.io/blog/2022/12/27/run-jenkins-agent-as-a-service/

Contents of start-agent.sh file -

cd /home/devsidd/jenkins

curl -sO http://192.168.1.8:8080/jnlpJars/agent.jar

java -jar agent.jar -jnlpUrl http://192.168.1.8:8080/computer/Ubuntu%2Dnode/jenkins-agent.jnlp -secret 1ca4505451499654cb6680dc9796e411842dd5cc090ae1380a9d56990ead06ed -workDir "/home/devsidd/jenkins"

exit 0

Contents of jenkins-agent.service file -

[Unit]

Description=Jenkins Agent

[Service]

User=devsidd

ExecStart=/bin/bash /home/devsidd/jenkins/start-agent.sh

Restart=always

WorkingDirectory=/home/devsidd/jenkins

[Install]

WantedBy=multi-user.target

Pipeline script ( Jenkins ) --

pipeline {

agent { label 'Ubuntu-node' }

environment {

DOCKER_HUB_REPO = "siddmi0407/flask-hello-world"

CONTAINER_NAME = "flask-hello-world"

}

stages {

stage('Checkout') {

steps {

checkout([$class: 'GitSCM', branches: [[name: '*/main']], extensions: [], userRemoteConfigs: [[url: 'https://github.com/siddharth07-ui/flask-devops-project.git']]])

}

}

stage('Build') {

steps {

echo 'Building..'

sh 'docker image build -t $DOCKER_HUB_REPO:latest .'

}

}

stage('Testing 1 - Pytest') {

steps {

echo 'Testing..'

sh 'docker stop $CONTAINER_NAME || true'

sh 'docker rm $CONTAINER_NAME || true'

sh 'docker run --name $CONTAINER_NAME $DOCKER_HUB_REPO python -m pytest test.py'

}

}

stage('Testing 2 - Flake8') {

steps {

echo 'Testing..'

sh 'docker stop $CONTAINER_NAME || true'

sh 'docker rm $CONTAINER_NAME || true'

sh 'docker run --name $CONTAINER_NAME $DOCKER_HUB_REPO python -m flake8'

}

}

stage('Deploy') {

steps {

echo 'Deploying....'

sh 'docker stop $CONTAINER_NAME || true'

sh 'docker rm $CONTAINER_NAME || true'

sh 'docker run -d -p 5000:5000 --name $CONTAINER_NAME $DOCKER_HUB_REPO'

}

}

}

}