source: Jenkinsfile @ 8f99233

#!groovy

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

node('master') {
        // Globals
        BuildDir  = pwd tmp: true
        SrcDir    = pwd tmp: false
        Settings  = null
        StageName = ''

        // Local variables
        def err = null
        def log_needed = false

        currentBuild.result = "SUCCESS"

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

                        notify_server(0)

                        Settings = prepare_build()

                        node(Settings.Architecture.node) {
                                BuildDir  = pwd tmp: true
                                SrcDir    = pwd tmp: false

                                clean()

                                checkout()

                                notify_server(0)

                                build()

                                test()

                                benchmark()

                                build_doc()

                                publish()
                        }

                        // Update the build directories when exiting the node
                        BuildDir  = pwd tmp: true
                        SrcDir    = pwd tmp: false

                        notify_server(45)
                }
        }

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

                echo err.toString()

                //An error has occured, the build log is relevent
                log_needed = true

                //Store the result of the build log
                currentBuild.result = "${StageName} FAILURE".trim()
        }

        finally {
                //Send email with final results if this is not a full build
                if( Settings && !Settings.Silent ) {
                        email(log_needed, Settings.IsSandbox)
                }

                echo 'Build Completed'

                /* Must re-throw exception to propagate error */
                if (err) {
                        throw err
                }
        }
}
//===========================================================================================================
// Main compilation routines
//===========================================================================================================
def clean() {
        build_stage('Cleanup') {
                // clean the build by wipping the build directory
                dir(BuildDir) {
                        deleteDir()
                }
        }
}

//Compilation script is done here but environnement set-up and error handling is done in main loop
def checkout() {
        build_stage('Checkout') {
                //checkout the source code and clean the repo
                final scmVars = checkout scm
                Settings.GitNewRef = scmVars.GIT_COMMIT
                Settings.GitOldRef = scmVars.GIT_PREVIOUS_COMMIT

                echo GitLogMessage()
        }
}

def build() {
        build_stage('Build') {
                // Build outside of the src tree to ease cleaning
                dir (BuildDir) {
                        //Configure the conpilation (Output is not relevant)
                        //Use the current directory as the installation target so nothing escapes the sandbox
                        //Also specify the compiler by hand
                        targets=""
                        if( Settings.RunAllTests ) {
                                targets="--with-target-hosts='host:debug,host:nodebug'"
                        } else {
                                targets="--with-target-hosts='host:debug'"
                        }

                        sh "${SrcDir}/configure CXX=${Settings.Compiler.CXX} CC=${Settings.Compiler.CC} ${Settings.Architecture.flags} ${targets} --quiet"

                        //Compile the project
                        sh 'make -j 8 --no-print-directory'
                }
        }
}

def test() {
        build_stage('Test') {

                dir (BuildDir) {
                        //Run the tests from the tests directory
                        if ( Settings.RunAllTests ) {
                                sh 'make --no-print-directory -C tests timeouts="--timeout=600" all-tests debug=yes'
                                sh 'make --no-print-directory -C tests timeouts="--timeout=600" all-tests debug=no '
                        }
                        else {
                                sh 'make --no-print-directory -C tests'
                        }
                }
        }
}

def benchmark() {
        build_stage('Benchmark') {

                if( !Settings.RunBenchmark ) return

                dir (BuildDir) {
                        //Append bench results
                        sh "${SrcDir}/jenkins.sh ${GitNewRef} ${Architecture} ${BuildDir}/bench.json"
                }
        }
}

def build_doc() {
        build_stage('Documentation') {

                if( !Settings.BuildDocumentation ) return

                dir ('doc/user') {
                        make_doc()
                }

                dir ('doc/refrat') {
                        make_doc()
                }
        }
}

def publish() {
        build_stage('Publish') {

                if( !Settings.Publish ) return

                //Then publish the results
                sh 'curl --silent --show-error -H \'Content-Type: application/json\' --data @${BuildDir}/bench.json https://cforall.uwaterloo.ca:8082/jenkins/publish > /dev/null || true'
        }
}

//===========================================================================================================
//Routine responsible of sending the email notification once the build is completed
//===========================================================================================================
def GitLogMessage() {
        if (!Settings || !Settings.GitOldRef || !Settings.GitNewRef) return "\nERROR retrieveing git information!\n"

        sh "${SrcDir}/tools/PrettyGitLogs.sh ${SrcDir} ${BuildDir} ${Settings.GitOldRef} ${Settings.GitNewRef}"

        def gitUpdate = readFile("${BuildDir}/GIT_UPDATE")
        def gitLog    = readFile("${BuildDir}/GIT_LOG")
        def gitDiff   = readFile("${BuildDir}/GIT_DIFF")

        return """
The branch ${env.BRANCH_NAME} has been updated.
${gitUpdate}

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

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

BUILD# ${env.BUILD_NUMBER} - ${currentBuild.result}

- Log -----------------------------------------------------------------
${gitLog}
-----------------------------------------------------------------------
Summary of changes:
${gitDiff}
"""
}

//Standard build email notification
def email(boolean log, boolean bIsSandbox) {
        //Since tokenizer doesn't work, figure stuff out from the environnement variables and command line
        //Configurations for email format
        echo 'Notifying users of result'

        def project_name = (env.JOB_NAME =~ /(.+)\/.+/)[0][1].toLowerCase()
        def email_subject = "[${project_name} git][BUILD# ${env.BUILD_NUMBER} - ${currentBuild.result}] - branch ${env.BRANCH_NAME}"
        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 which was pushed to the Cforall repository.
""" + GitLogMessage()

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

        if( Settings && !Settings.IsSandbox ) {
                //send email notification
                emailext body: email_body, subject: email_subject, to: email_to, attachLog: log
        } else {
                echo "Would send email to: ${email_to}"
                echo "With title: ${email_subject}"
                echo "Content: \n${email_body}"
        }
}

//===========================================================================================================
// Helper classes/variables/routines
//===========================================================================================================
//Description of a compiler (Must be serializable since pipelines are persistent)
class CC_Desc implements Serializable {
        public String name
        public String CXX
        public String CC

        CC_Desc(String name, String CXX, String CC) {
                this.name = name
                this.CXX = CXX
                this.CC = CC
        }
}

//Description of an architecture (Must be serializable since pipelines are persistent)
class Arch_Desc implements Serializable {
        public String name
        public String flags
        public String node

        Arch_Desc(String name, String flags, String node) {
                this.name  = name
                this.flags = flags
                this.node  = node
        }
}

class BuildSettings implements Serializable {
        public final CC_Desc Compiler
        public final Arch_Desc Architecture
        public final Boolean RunAllTests
        public final Boolean RunBenchmark
        public final Boolean BuildDocumentation
        public final Boolean Publish
        public final Boolean Silent
        public final Boolean IsSandbox
        public final String DescLong
        public final String DescShort

        public String GitNewRef
        public String GitOldRef

        BuildSettings(java.util.Collections$UnmodifiableMap param, String branch) {
                switch( param.Compiler ) {
                        case 'gcc-6':
                                this.Compiler = new CC_Desc('gcc-6', 'g++-6', 'gcc-6')
                        break
                        case 'gcc-5':
                                this.Compiler = new CC_Desc('gcc-5', 'g++-5', 'gcc-5')
                        break
                        case 'gcc-4.9':
                                this.Compiler = new CC_Desc('gcc-4.9', 'g++-4.9', 'gcc-4.9')
                        break
                        case 'clang':
                                this.Compiler = new CC_Desc('clang', 'clang++', 'gcc-6')
                        break
                        default :
                                error "Unhandled compiler : ${cc}"
                }

                switch( param.Architecture ) {
                        case 'x64':
                                this.Architecture = new Arch_Desc('x64', '--host=x86_64', 'x64')
                        break
                        case 'x86':
                                this.Architecture = new Arch_Desc('x86', '--host=i386', 'x86')
                        break
                        default :
                                error "Unhandled architecture : ${arch}"
                }

                this.RunAllTests        = param.RunAllTests
                this.RunBenchmark       = param.RunBenchmark
                this.BuildDocumentation = param.BuildDocumentation
                this.Publish            = param.Publish
                this.Silent             = param.Silent
                this.IsSandbox          = (branch == "jenkins-sandbox")

                def full = param.RunAllTests ? " (Full)" : ""
                this.DescShort = "${ this.Compiler.name }:${ this.Architecture.name }${full}"

                this.DescLong = """Compiler              : ${ this.Compiler.name } (${ this.Compiler.CXX }/${ this.Compiler.CC })
Architecture            : ${ this.Architecture.name }
Arc Flags               : ${ this.Architecture.flags }
Run All Tests           : ${ this.RunAllTests.toString() }
Run Benchmark           : ${ this.RunBenchmark.toString() }
Build Documentation     : ${ this.BuildDocumentation.toString() }
Publish                 : ${ this.Publish.toString() }
Silent                  : ${ this.Silent.toString() }
"""

                this.GitNewRef = ''
                this.GitOldRef = ''
        }
}

def prepare_build() {
        // prepare the properties
        properties ([                                                                                                   \
                [$class: 'ParametersDefinitionProperty',                                                                \
                        parameterDefinitions: [                                                                         \
                                [$class: 'ChoiceParameterDefinition',                                           \
                                        description: 'Which compiler to use',                                   \
                                        name: 'Compiler',                                                                       \
                                        choices: 'gcc-6\ngcc-5\ngcc-4.9\nclang',                                        \
                                        defaultValue: 'gcc-6',                                                          \
                                ],                                                                                              \
                                [$class: 'ChoiceParameterDefinition',                                           \
                                        description: 'The target architecture',                                 \
                                        name: 'Architecture',                                                           \
                                        choices: 'x64\nx86',                                                            \
                                        defaultValue: 'x64',                                                            \
                                ],                                                                                              \
                                [$class: 'BooleanParameterDefinition',                                                  \
                                        description: 'If false, only the quick test suite is ran',              \
                                        name: 'RunAllTests',                                                            \
                                        defaultValue: false,                                                            \
                                ],                                                                                              \
                                [$class: 'BooleanParameterDefinition',                                                  \
                                        description: 'If true, jenkins also runs benchmarks',           \
                                        name: 'RunBenchmark',                                                           \
                                        defaultValue: false,                                                            \
                                ],                                                                                              \
                                [$class: 'BooleanParameterDefinition',                                                  \
                                        description: 'If true, jenkins also builds documentation',              \
                                        name: 'BuildDocumentation',                                                     \
                                        defaultValue: true,                                                             \
                                ],                                                                                              \
                                [$class: 'BooleanParameterDefinition',                                                  \
                                        description: 'If true, jenkins also publishes results',                 \
                                        name: 'Publish',                                                                        \
                                        defaultValue: false,                                                            \
                                ],                                                                                              \
                                [$class: 'BooleanParameterDefinition',                                                  \
                                        description: 'If true, jenkins will not send emails',           \
                                        name: 'Silent',                                                                         \
                                        defaultValue: false,                                                            \
                                ],                                                                                              \
                        ],
                ]])

        // It's unfortunate but it looks like we need to checkout the entire repo just to get the pretty git printer
        checkout scm

        final settings = new BuildSettings(params, env.BRANCH_NAME)

        currentBuild.description = settings.DescShort
        echo                       settings.DescLong

        return settings
}

def build_stage(String name, Closure block ) {
        StageName = name
        echo " -------- ${StageName} -------- "
        stage(name, block)
}

def notify_server(int wait) {
        sh """curl --silent --show-error --data "wait=${wait}" -X POST https://cforall.uwaterloo.ca:8082/jenkins/notify > /dev/null || true"""
        return
}

def make_doc() {
        def err = null
        try {
                sh 'make clean > /dev/null'
                sh 'make > /dev/null 2>&1'
        }
        catch (Exception caughtError) {
                err = caughtError //rethrow error later
                sh 'cat build/*.log'
        }
        finally {
                if (err) throw err // Must re-throw exception to propagate error
        }
}