fix

.gitignore

@@ -1,2 +1 @@
 .idea/*
-target

Jenkinsfile

@@ -1,38 +0,0 @@
-def gv
-
-pipeline {
-    agent any
-    stages {
-        stage("init") {
-            steps {
-                script {
-                    gv = load "script.groovy"
-                }
-            }
-        }
-        stage("build jar") {
-            steps {
-                script {
-                    echo "building jar"
-                    //gv.buildJar()
-                }
-            }
-        }
-        stage("build image") {
-            steps {
-                script {
-                    echo "building image"
-                    //gv.buildImage()
-                }
-            }
-        }
-        stage("deploy") {
-            steps {
-                script {
-                    echo "deploying"
-                    //gv.deployApp()
-                }
-            }
-        }
-    }   
-}

Jenkinsfile-v1

@@ -0,0 +1,52 @@
+pipeline {
+    agent any
+    environment {
+        ANSIBLE_SERVER = "157.230.120.252"
+    }
+    stages {
+        stage("copy ansible folder and ec2 access key to ansible-server") {
+            steps {
+                script {
+                    sshagent(['ansible-server-key']) {
+                        echo "copying ansible folder to ansible server"
+                        // ${ANSIBLE_SERVER}:/root without root will give jenkins@${ANSIBLE_SERVER}:/root
+                        sh "scp -o StrictHostKeyChecking=no ansible/* root@${ANSIBLE_SERVER}:/root"    
+
+                        echo "copying ssh keys for ec2 instances"
+                        withCredentials([sshUserPrivateKey(credentialsId: 'ec2-server-key', keyFileVariable: 'keyfile', usernameVariable: 'user')]) {
+                            sh 'scp $keyfile root@$ANSIBLE_SERVER:/root/ssh-key.pem'
+                        }
+                    }                               
+                }
+            }
+        }
+        stage("execute ansible playbook from the ansible-server") {
+            environment {
+                AWS_ACCESS_KEY_ID = credentials('jenkins_aws_access_key_id')
+                AWS_SECRET_ACCESS_KEY = credentials('jenkins_aws_secret_access_key')
+            }
+            steps {
+                script {
+                    echo "executing ansible-playbook"
+                    
+                    def remote = [:]
+                    remote.name = "ansible-server"
+                    remote.host = ANSIBLE_SERVER
+                    remote.allowAnyHosts = true
+                    
+                    withCredentials([sshUserPrivateKey(credentialsId: 'ansible-server-key', keyFileVariable: 'keyfile', usernameVariable: 'user')]) {
+                        remote.identityFile = keyfile
+                        remote.user = user
+
+                        sshCommand remote: remote, command: "ls -l"
+                        
+                        // set AWS credentials
+                        sshScript remote: remote, script: "ansible/prepare-server.sh"
+                        
+                        sshCommand remote: remote, command: "export AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID}; export AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY}; ansible-playbook docker-and-compose.yaml"
+                    }
+                }
+            }
+        }
+    }   
+}

Jenkinsfile-v2

@@ -0,0 +1,48 @@
+pipeline {
+    agent any
+    environment {
+        ANSIBLE_SERVER = "157.230.120.252"
+    }
+    stages {
+        stage("copy ansible folder and ec2 access key to ansible-server") {
+            steps {
+                script {
+                    sshagent(['ansible-server-key']) {
+                        echo "copying ansible folder to ansible server"
+                        // ${ANSIBLE_SERVER}:/root without root will give jenkins@${ANSIBLE_SERVER}:/root
+                        sh "scp -o StrictHostKeyChecking=no ansible/* root@${ANSIBLE_SERVER}:/root"    
+
+                        echo "copying ssh keys for ec2 instances"
+                        withCredentials([sshUserPrivateKey(credentialsId: 'ec2-server-key', keyFileVariable: 'keyfile', usernameVariable: 'user')]) {
+                            sh 'scp $keyfile root@$ANSIBLE_SERVER:/root/ssh-key.pem'
+                        }
+                    }                               
+                }
+            }
+        }
+        stage("execute ansible playbook from the ansible-server") {
+            environment {
+                AWS_ACCESS_KEY_ID = credentials('jenkins_aws_access_key_id')
+                AWS_SECRET_ACCESS_KEY = credentials('jenkins_aws_secret_access_key')
+            }
+            steps {
+                script {
+                    echo "executing ansible-playbook"
+                    
+                    def remote = [:]
+                    remote.name = "ansible-server"
+                    remote.host = ANSIBLE_SERVER
+                    remote.allowAnyHosts = true
+                    
+                    withCredentials([sshUserPrivateKey(credentialsId: 'ansible-server-key', keyFileVariable: 'keyfile', usernameVariable: 'user')]) {
+                        remote.identityFile = keyfile
+                        remote.user = user
+
+                        sshCommand remote: remote, command: "ls -l"
+                        sshCommand remote: remote, command: "ansible-playbook docker-and-compose.yaml"
+                    }
+                }
+            }
+        }
+    }   
+}

Jenkinsfile-v3

@@ -0,0 +1,34 @@
+def gv
+
+pipeline {
+    agent any
+    stages {
+        stage("build jar") {
+            steps {
+                script {
+                    echo "building the application..."
+                    sh 'mvn package'
+                }
+            }
+        }
+        stage("build image") {
+            steps {
+                script {
+                    echo "building the docker image..."
+                    withCredentials([usernamePassword(credentialsId: 'docker-hub-repo', passwordVariable: 'PASS', usernameVariable: 'USER')]) {
+                        sh 'docker build -t nanajanashia/demo-app:jma-2.0 .'
+                        sh "echo $PASS | docker login -u $USER --password-stdin"
+                        sh 'docker push nanajanashia/demo-app:jma-2.0'
+                    }
+                }
+            }
+        }
+        stage("deploy") {
+            steps {
+                script {
+                    echo 'deploying the application...'
+                }
+            }
+        }
+    }   
+}

ansible/ansible.cfg

@@ -0,0 +1,9 @@
+[defaults]
+host_key_checking = False
+inventory = inventory_aws_ec2.yaml
+
+interpreter_python = /usr/bin/python3
+enable_plugins = aws_ec2
+
+remote_user = ec2-user
+private_key_file = ~/ssh-key.pem

ansible/docker-and-compose.yaml

@@ -0,0 +1,29 @@
+---
+- name: Install python3, docker, docker-compose
+  hosts: all
+  become: yes
+  gather_facts: False
+  tasks:
+    - name: Install python3 and docker
+      vars:
+        ansible_python_interpreter: /usr/bin/python
+      yum:
+        name:
+          - python3
+          - docker
+        update_cache: yes
+        state: present
+    - name: Install Docker-compose
+      get_url: 
+        url: https://github.com/docker/compose/releases/download/1.27.4/docker-compose-Linux-{{lookup('pipe', 'uname -m')}}
+        dest: /usr/local/bin/docker-compose
+        mode: +x
+    - name: Start docker daemon
+      systemd:
+        name: docker
+        state: started
+    - name: Install docker python module
+      pip:
+        name: 
+          - docker
+          - docker-compose

ansible/inventory_aws_ec2.yaml

@@ -0,0 +1,9 @@
+---
+plugin: aws_ec2
+regions:
+  - eu-west-3
+keyed_groups:
+  - key: tags
+    prefix: tag
+  - key: instance_type
+    prefix: instance_type

ansible/prepare-server.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+apt update
+apt install ansible -y
+apt install python3-pip -y
+pip3 install boto3 botocore
+
+# export AWS_ACCESS_KEY_ID=$1
+# export AWS_SECRET_ACCESS_KEY=$2
+

script.groovy

@@ -1,19 +0,0 @@
-def buildJar() {
-    echo "building the application..."
-    sh 'mvn package'
-} 
-
-def buildImage() {
-    echo "building the docker image..."
-    withCredentials([usernamePassword(credentialsId: 'docker-hub-repo', passwordVariable: 'PASS', usernameVariable: 'USER')]) {
-        sh 'docker build -t nanajanashia/demo-app:jma-2.0 .'
-        sh "echo $PASS | docker login -u $USER --password-stdin"
-        sh 'docker push nanajanashia/demo-app:jma-2.0'
-    }
-} 
-
-def deployApp() {
-    echo 'deploying the application...'
-} 
-
-return this

src/main/resources/static/index.html

@@ -1,11 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <title>MyApp</title>
-</head>
-<body>
-<h1>Welcome to Java Maven Application</h1>
-<!-- add image here  <img src="" width="" /> -->
-</body>
-</html>