adding pipeline scripts

Author: yankils

jenkins/Enable_email_notification_on_Jenkins.md

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+# Enable email notification on Jenkins
+
+## pre-requisites
+1. A Jenkins Server [Click here to create]()
+
+## Integration Steps
+Log into the Jenkins to install mailer plugin
+
+1. Install "mailer" plug-in   
+- `Manage Jenkins` -> `Manage Plugins` -> `available` -> `mailer`
+
+2. Configure Mailer   
+- `Manage Jenkins` -> `Configure System`
+    - E-mail Notification:
+    - SMTP server : `smtp.gmail.com`
+  - Advanced: 
+	- [x] `Use SMTP Authentication` 
+	- User Name : `[email protected]`
+	- Passwrod : `<password>`   
+  - [x] `Use SSL`
+	- SMTP Port: `465`
+	- Charset : `UTF-8 (Auto filled)`
+#### Unable to authonticate? 
+  please allow your gmail to access "less security apps" [click here to enable](https://myaccount.google.com/intro/security)
+---
+---
+### Create a Freestyle Project 
+  
+1. Create a new job 
+  - Job Name : `test-email-job`
+  - Source code management 
+     - Git URL : [get URL here](https://github.com/yankils/hello-world.git)
+ - Build Environment 
+     - Maven3-Artifactory Integration : `<provide Artifactory server and repository details
+>`
+ - Build --> Invoke Artifactory Maven3  
+       - Goals: ` clean install`
+
+# Still working 

jenkins/Run_a_Jenkins_job_with_GitHub_webhook

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+# Run a Jenkins job with GitHub webhook
+
+## pre-requisites
+1. A Jenkins Server [Click here for help]()
+1. A GitHub repository [Click here for help]()
+
+## Integration Steps
+Log into the Jenkins 
+
+---
+### Create a Freestyle Project 
+  
+1. Create a new job 
+  - Job Name : `WebhookTestJob`
+    - Source code management 
+       - Git URL : [get URL here](https://github.com/yankils/hello-world.git)
+    - Build Triggers
+       - [X] `GitHub hook trigger for GITScm polling`
+
+  - Build --> `Add Build Step` --> `Invoke Top Level Maven Triggers` 
+       - Maven Version: `Maven`
+       - Goals: ` clean install`
+
+2. On GitHub repository
+   
+    `repository` --> `settings` --> `webhooks`  
+  - Add webhook
+       - Payload URL : `Jenkins_IP>:8080/github-webhook`
+       - Content type : `Application/JSON`   
+
+3. Update the code with new commit. It should trigger our job in the jenkins  
+  

jenkins/pipeline-templates/01first-pipeline

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+pipeline {
+    agent any
+
+    stages {
+        stage('Build') {
+            steps {
+                echo 'Building..'
+            }
+        }
+        stage('Test') {
+            steps {
+                echo 'Testing..'
+            }
+        }
+        stage('Deploy') {
+            steps {
+                echo 'Deploying....'
+            }
+        }
+    }
+}

jenkins/pipeline-templates/02multiple-steps

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+pipeline {
+    agent any
+    stages {
+        stage('Build') {
+            steps {
+                sh 'echo "My first pipeline"'
+                sh '''
+                    echo "By the way, I can do more stuff in here"
+                    ls -lah
+                '''
+            }
+        }
+    }
+}

jenkins/pipeline-templates/03retry

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+pipeline {
+    agent any
+    stages {
+        stage('Timeout') {
+            steps {
+                retry(3) {
+                    sh 'I am not going to work :c'
+                }
+            }
+        }
+    }
+}

jenkins/pipeline-templates/04timeout

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+pipeline {
+    agent any
+    stages {
+        stage('Deploy') {
+            steps {
+                retry(3) {
+                    sh 'echo hello'
+                }
+
+                timeout(time: 3, unit: 'SECONDS') {
+                    sh 'sleep 5'
+                }
+            }
+        }
+    }
+}

jenkins/pipeline-templates/05env

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+pipeline {
+    agent any
+
+    environment {
+        NAME = 'AR'
+        LASTNAME = 'Shankar'
+    }
+
+    stages {
+        stage('Build') {
+            steps {
+                sh 'echo $NAME $LASTNAME'
+            }
+        }
+    }
+}

jenkins/pipeline-templates/06creds

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+pipeline {
+    agent any
+
+    environment {
+        secret = credentials('TEST')
+    }
+    stages {
+        stage('Example stage 1') {
+            steps {
+                sh 'echo $secret'
+            }
+        }
+    }
+}

jenkins/pipeline-templates/07post-actions

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+pipeline {
+    agent any
+    stages {
+        stage('Test') {
+            steps {
+                sh 'echo "Fail!"; exit 1'
+            }
+        }
+    }
+    post {
+        always {
+            echo 'I will always get executed :D'
+        }
+        success {
+            echo 'I will only get executed if this success'
+        }
+        failure {
+            echo 'I will only get executed if this fails'
+        }
+        unstable {
+            echo 'I will only get executed if this is unstable'
+        }
+    }
+}

jenkins/pipeline-templates/maven-build

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+pipeline {
+    agent any
+
+    stages {
+        stage ('Compile Stage') {
+
+            steps {
+                withMaven(maven : 'maven') {
+                    sh 'mvn clean compile'
+                }
+            }
+        }
+
+        stage ('Testing Stage') {
+
+            steps {
+                withMaven(maven : 'maven') {
+                    sh 'mvn test'
+                }
+            }
+        }
+
+
+        stage ('Deployment Stage') {
+            steps {
+                withMaven(maven : 'maven') {
+                    sh 'mvn deploy'
+                }
+            }
+        }
+    }
+}