Slave node jenkinsfilepipeline

.github/workflows/docker-image.yml

@@ -0,0 +1,18 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build the Docker image
+      run: docker build . --file ./docker/Dockerfile --tag my-image-name:$(date +%s)

Jenkinsfile

@@ -0,0 +1,105 @@
+pipeline {
+    agent any
+
+    environment {
+        // Use the Jenkins SSH credentials ID for your EC2 key
+        SSH_KEY = 'WebAppPaC'
+        EC2_USER = 'ubuntu'
+        EC2_HOST = '3.131.141.176'
+        REPO_URL = 'https://github.com/designking06/DevOpsProjCert.git'
+        APP_DIR = '/home/ubuntu/DevOpsProjCert'  // repo clone location on slave
+    }
+
+    stages {
+        stage('Prepare Slave Node') {
+            steps {
+                sshagent (credentials: [SSH_KEY]) {
+                    sh """
+                        ssh -o StrictHostKeyChecking=no ${EC2_USER}@${EC2_HOST} '
+                            # Ensure directories exist
+                            mkdir -p ${APP_DIR}
+                            cd ${APP_DIR}
+
+                            # Update system and install prerequisites
+                            sudo apt update
+                            sudo apt install -y git python3 python3-pip docker.io
+
+                            # Install ansible if not present
+                            if ! command -v ansible-playbook > /dev/null; then
+                                sudo apt install -y ansible
+                            fi
+                        '
+                    """
+                }
+            }
+        }
+
+        stage('Clone Repository') {
+            steps {
+                sshagent (credentials: [SSH_KEY]) {
+                    sh """
+                        ssh -o StrictHostKeyChecking=no ${EC2_USER}@${EC2_HOST} '
+                            if [ ! -d "${APP_DIR}/.git" ]; then
+                                git clone ${REPO_URL} ${APP_DIR}
+                            else
+                                cd ${APP_DIR} && git pull
+                            fi
+                        '
+                    """
+                }
+            }
+        }
+
+        stage('Install Docker via Ansible') {
+            steps {
+                sshagent (credentials: [SSH_KEY]) {
+                    sh """
+                        ssh -o StrictHostKeyChecking=no ${EC2_USER}@${EC2_HOST} '
+                            cd ${APP_DIR}/ansible
+                            ansible-playbook install_docker.yml -i ${EC2_HOST}, --user ${EC2_USER} --private-key /dev/null
+                        '
+                    """
+                }
+            }
+        }
+
+        stage('Deploy PHP Docker Container') {
+            steps {
+                sshagent(['WebAppPaC']) {
+                    sh """
+                    ssh -o StrictHostKeyChecking=no ubuntu@3.131.141.176 '
+                        # Clone repo if it doesn'"'"'t exist, else pull latest
+                        if [ ! -d /home/ubuntu/DevOpsProjCert ]; then
+                            git clone https://github.com/designking06/DevOpsProjCert.git /home/ubuntu/DevOpsProjCert
+                        else
+                            cd /home/ubuntu/DevOpsProjCert && git pull
+                        fi
+
+                        cd /home/ubuntu/DevOpsProjCert
+
+                        # Build Docker image from the docker/ subdirectory
+                        sudo docker build -t webapp:latest -f docker/Dockerfile .
+
+                        # Stop and remove old container if it exists
+                        if [ \$(sudo docker ps -aq -f name=webapp) ]; then
+                            sudo docker stop webapp
+                            sudo docker rm webapp
+                        fi
+
+                        # Run new container
+                        sudo docker run -d -p 80:80 --name webapp webapp:latest
+                    '
+                    """
+                }
+            }
+        }
+    }
+    post {
+            success {
+                echo 'Pipeline completed successfully!'
+            }
+            failure {
+                echo 'Pipeline failed. Check logs.'
+            }
+        }
+    }

ansible/install_docker.yml

@@ -0,0 +1,21 @@
+- name: Install Docker on Test Server
+  hosts: test
+  become: true
+  tasks:
+    - name: Install dependencies
+      apt:
+        name:
+          - ca-certificates
+          - curl
+          - gnupg
+        state: present
+
+    - name: Add Docker GPG key
+      apt_key:
+        url: https://download.docker.com/linux/ubuntu/gpg
+        state: present
+
+    - name: Install Docker
+      apt:
+        name: docker-ce
+        state: present

docker/Dockerfile

@@ -0,0 +1,4 @@
+FROM devopsedu/webapp
+COPY app/ /var/www/html/
+EXPOSE 80
+CMD ["apache2-foreground"]

puppet/docker_agent.pp

@@ -0,0 +1,10 @@
+class docker_agent {
+  package { 'puppet-agent':
+    ensure => installed,
+  }
+
+  service { 'puppet':
+    ensure => running,
+    enable => true,
+  }
+}

website/readme.md → readme.md

@@ -19,3 +19,12 @@ If you are a beginner and would like me to explain something in the code, or if
 ## Lisence
 
 MIT
+
+## DevOps
+Connecting to EC2
+1. Locally, run
+- chmod 400 ~/.ssh/DevOpsProj.pem
+- ssh -i ~/.ssh/DevOpsProj.pem ubuntu@3.131.141.176
+
+2. In ssh, run
+-  sudo apt update