pipeline {

agent none

options {

timestamps()

}

environment {

name='sushmitha'

}

parameters {

string (defaultValue: 'sushmitha', description: 'Enter the username value', name: 'user_name')

choice (name: 'env', choices: ['dev', 'qa', 'prod'],description: 'choose any one')

booleanParam(defaultValue: true, name: 'my_boolean')

}

triggers {

// Periodically trigger every 12 hours

cron('H H/12 * * *')

// Poll SCM every 15 minutes for changes

pollSCM('H/15 * * * *')

}

stages {

stage('Stage-1') {

agent { label 'java'}

when{

anyOf{

branch 'main'

branch 'dev1'

}

}

steps {

sh 'touch tomcat'

echo "this stage is executing by ${params.user_name}"

echo 'Using Secret Text and Username/Password credentials'

}

}

stage('Stage-2') {

agent { label 'java'}

steps {

sh 'touch master'

echo "executing in ${params.dev}"

echo "my boolean value=${params.my_boolean}"

echo "Executing Stage 2"

// Simulate success; this stage should succeed for Stage 3 to run

}

}

stage('Stage-3') {

agent { label 'Agent-2'}

when {

expression { currentBuild.result == null || currentBuild.result == 'SUCCESS' }

}

steps {

sh 'touch tomcat'

echo "echo "Job ${env.JOB_NAME} is running on ${env.JENKINS_URL} and having build no: ${env.BUILD_ID}"" //global variable directly we can reference them

echo "Name is: ${name}" /top levl variable,we need to define

echo " echo 'Executing Stage 3 on agent3 (only on master or dev branch after Stage 2 success)'"

}

}

stage('Stage-4') {

agent { label 'Agent-2'}

when {

// This stage will run only if Stage 3 was successful

expression { currentBuild.result == null || currentBuild.result == 'SUCCESS' }

steps {

echo "executing stage4"

}

}

}

}

}