source: Jenkins/FullBuild @ 0982a05

#!groovy

//===========================================================================================================
// Main loop of the compilation
//===========================================================================================================

node ('master') {
        def err = null

        try {
                //Wrap build to add timestamp to command line
                wrap([$class: 'TimestamperBuildWrapper']) {

                        stage('Build') {

                                results = [null, null]

                                parallel (
                                        gcc_6_x64: { trigger_build( 'gcc-6',   'x64', true  ) },
                                        gcc_6_x86: { trigger_build( 'gcc-6',   'x86', true  ) },
                                        gcc_5_x64: { trigger_build( 'gcc-5',   'x64', false ) },
                                        gcc_5_x86: { trigger_build( 'gcc-5',   'x86', false ) },
                                        clang_x64: { trigger_build( 'clang',   'x64', false ) },
                                        clang_x86: { trigger_build( 'clang',   'x86', false ) },
                                )
                        }

                        //Push latest changes to do-lang repo
                        push_build()
                }
        }

        //If an exception is caught we need to change the status and remember to
        //attach the build log to the email
        catch (Exception caughtError) {
                echo('error caught')

                //rethrow error later
                err = caughtError

                //Store the result of the build log
                currentBuild.result = 'FAILURE'

                //Send email to notify the failure
                promote_failure_email()
        }

        finally {
                //Must re-throw exception to propagate error
                if (err) {
                        throw err
                }
        }
}
//===========================================================================================================
// Main compilation routines
//===========================================================================================================

def trigger_build(String cc, String arch, Boolean publish) {
        def result = build job: 'Cforall/master',               \
                parameters: [                                           \
                        [$class: 'StringParameterValue',                \
                          name: 'Compiler',                             \
                          value: cc],                                   \
                        [$class: 'StringParameterValue',                \
                          name: 'Architecture',                         \
                          value: arch],                                 \
                        [$class: 'BooleanParameterValue',               \
                          name: 'RunAllTests',                          \
                          value: true],                                         \
                        [$class: 'BooleanParameterValue',               \
                          name: 'RunBenchmark',                         \
                          value: true],                                         \
                        [$class: 'BooleanParameterValue',               \
                          name: 'BuildDocumentation',           \
                          value: true],                                         \
                        [$class: 'BooleanParameterValue',               \
                          name: 'Publish',                              \
                          value: publish],                              \
                        [$class: 'BooleanParameterValue',               \
                          name: 'Silent',                               \
                          value: true],                                         \
                ],                                                              \
                propagate: false

        echo(result.result)

        if(result.result != 'SUCCESS') {
                sh("wget -q -O - http://localhost:8084/jenkins/job/Cforall/job/master/${result.number}/consoleText")
                error(result.result)
        }
}

def push_build() {
        //Don't use the build_stage function which outputs the compiler
        stage('Push') {

                status_prefix = 'Push'

                def out_dir = pwd tmp: true
                sh "mkdir -p ${out_dir}"

                //checkout the code to make sure this is a valid git repo
                checkout scm

                collect_git_info()

                //parse git logs to find what changed
                sh "git remote > ${out_dir}/GIT_REMOTE"
                git_remote = readFile("${out_dir}/GIT_REMOTE")
                remoteDoLangExists = git_remote.contains("DoLang")

                if( !remoteDoLangExists ) {
                        sh 'git remote add DoLang git@gitlab.do-lang.org:internal/cfa-cc.git'
                }

                //sh "GIT_SSH_COMMAND=\"ssh -v\" git push DoLang ${gitRefNewValue}:master"
                echo('BUILD NOT PUSH SINCE DO-LANG SERVER WAS DOWN')
        }
}

//Helper routine to collect information about the git history
def collect_git_info() {

        //create the temporary output directory in case it doesn't already exist
        def out_dir = pwd tmp: true
        sh "mkdir -p ${out_dir}"

        //parse git logs to find what changed
        dir("../Cforall_Full_Build@script") {
                sh "git reflog > ${out_dir}/GIT_COMMIT"
        }
        git_reflog = readFile("${out_dir}/GIT_COMMIT")
        gitRefOldValue = (git_reflog =~ /moving from (.+) to (.+)/)[0][1]
        gitRefNewValue = (git_reflog =~ /moving from (.+) to (.+)/)[0][2]
}

//===========================================================================================================
//Routine responsible of sending the email notification once the build is completed
//===========================================================================================================

//Email notification on a full build failure
def promote_failure_email() {
        echo('notifying users')

        //Since tokenizer doesn't work, figure stuff out from the environnement variables and command line
        //Configurations for email format
        def email_subject = "[cforall git][PROMOTE - FAILURE]"
        def email_body = """This is an automated email from the Jenkins build machine. It was
generated because of a git hooks/post-receive script following
a ref change was pushed to the repository containing
the project "UNNAMED PROJECT".

Check console output at ${env.BUILD_URL} to view the results.

- Status --------------------------------------------------------------

PROMOTE FAILURE
"""

        def email_to = "cforall@lists.uwaterloo.ca"

        //send email notification
        emailext body: email_body, subject: email_subject, to: email_to, attachLog: true
}