eight-track/Jenkinsfile

#!groovy


init()

def branch_name
def branch_name_base
def build_number
def build_url
def git_commit
def job_name
def tag
def version
def build_type
def display_name

def init() {

  // Keep the 5 most recent builds
  properties([[$class: 'BuildDiscarderProperty', strategy: [$class: 'LogRotator', numToKeepStr: '5']]])

  build_number = env.BUILD_NUMBER
  build_url = env.BUILD_URL
  job_name = "${env.JOB_NAME}"
  branch_name = env.BRANCH_NAME
  persist = branch_name

  // execute the branch type specific pipeline code
  try {
    
    if (branch_name.indexOf('release/')==0) build_type='release'
    if (branch_name.indexOf('feature/')==0) build_type='feature'
    if (branch_name.indexOf('develop')==0) build_type='develop'
    if (branch_name.indexOf('master')==0) build_type='master'
    if (branch_name.indexOf('hotfix/')==0) build_type='hotfix'
    if (branch_name.indexOf('bugfix/')==0) build_type='bugfix'
    
    switch(build_type) {
      case ~/feature/:
      case ~/hotfix/:
      case ~/bugfix/:
      case ~/master/:
      case ~/develop/:
        CommonBuild();
        break;
      case ~/release/:
        CommonBuild();
        Deploy();
        break;
      default:
        throw "unsupported branch type: ${branch_name}"
    }

    node('master') {
      set_result('SUCCESS')
    }

  } catch (err) {
    node() {
      set_result('FAILURE')
    }
    throw err
  } 
}

def CommonBuild() {
  // common pipeline elements
  node('master') {
    Initialize()
    SetVersion(build_type)
    print_vars() // after SetVersion - all variables now defined
    set_result('INPROGRESS')
    Build() 
  }
}

def Build() {
  stage ('build') {
    mvn_alt("install -DskipTests=true -Dbuild.revision=${git_commit}")
    step([$class: 'ArtifactArchiver', artifacts: '**/target/*.jar', fingerprint: true])
  }
}

def Initialize() {
  stage ('initialize') {
    
    // get new code
    checkout scm
    
    git_commit = getSha1()
  }
}

def Deploy() {
  node('master') {
    stage ('deploy') {
     mvn_alt("deploy -DskipTests=true -Dbuild.number=${build_number} -Dbuild.revision=${git_commit}")
    }
  }
}

def getSha1() {
  sha1 = sh(script: 'git rev-parse HEAD', returnStdout: true).trim()
  echo "sha1 is ${sha1}"
  return sha1
}

def mvn_initial(args) {
  mvn_alt(args)
}

def mvn_alt(args) {
  // add maven tools to path before calling maven
  withMaven(maven: 'maven-3.6.1', jdk: 'jdk1.8.0_221', mavenSettingsConfig: 'maven_settings') {
    writeFile file: '.skip-task-scanner', text: ''
    writeFile file: '.skip-publish-junit-results', text: ''
    sh "mvn ${args}"
  }
}

def set_result(status) {
  if ( status == 'SUCCESS' ) {
    currentBuild.result = status
    notify_bitbucket('SUCCESSFUL')
  } else if ( status == 'FAILURE' ) {
    currentBuild.result = status
    notify_bitbucket('FAILED')
  } else if ( status == 'INPROGRESS' ) {
    notify_bitbucket('INPROGRESS')
  } else {
    error ("unknown status")
  }
}

def notify_bitbucket(state) {
  echo "notify bitbucket, state = $state, commit: ${git_commit}"
}

def print_vars() {
  echo "build_number = ${build_number}"
  echo "build_url = ${build_url}"
  echo "job_name = ${job_name}"
  echo "branch_name = ${branch_name}"
  echo "branch_name_base = ${branch_name_base}"
  echo "build_type = ${build_type}"
  echo "display_name = ${currentBuild.displayName}"
  echo "version = ${version}"
  echo "git_commit = ${git_commit}"
}

def SetVersion( v ) {
  stage ('set version') {
    echo "set version ${v}"
    branch_name_base = (branch_name =~ /([^\/]+$)/)[0][0]
    
    switch(build_type) {
      case ~/develop/:
        version = build_number + '-SNAPSHOT'
        currentBuild.displayName = version
        break;
      case ~/release/:
        // for release branches, where the branch is named "release/1.2.3",
        // derive the version and display name derive from the numeric suffix and append the build number
        // 3.2.1.100
        version = branch_name_base + '.' + build_number + '-RELEASE' 
        currentBuild.displayName = version
        break;
      default:
        // for all other branches the version number is 0 with an appended build number
        // and for the display name use the jenkins default #n and add the branch name
        version = branch_name_base + "." + build_number
        currentBuild.displayName = "#" + build_number + " - " + branch_name_base
    }

    display_name = currentBuild.displayName
    mvn_initial("versions:set -DnewVersion=${version}") 
  }
}

return this