Jenkins

Plugins

• Pipeline

Continuous Delivery Pipeline

Jenkins have created the concept of "Pipeline As Code"

Sample

<source lang="PowerShell"> Jenkinsfile (Declarative Pipeline) pipeline {

   agent any

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

} </source>

Pipelines

Pipeline Syntax

In shell, it is not specific to the execution system We can use methods like isUnix() to check on wich system it is running and exec a specific shell foreach Allowing user to generate pipeline configuration code from jenkins UI

• Credentials

Declarative Pipelines

• contains directive or steps
• common directives : triggers parameters, tools, stages

Github

• it is possible to exec an sh file from distant repository

Good to Know

<source lang="PowerShell"> try{}catch(NullPointerException e){ echo "UNSTABLE"; } </source>

• 4 steps jenkins: checkout, compile, run the tests, package
• jenkins with git: Clone, checkout