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Adding Jenkinsfile.
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@bacciotti
bacciotti committed Aug 11, 2023
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@Library('jenkins-pipeline-shared-libraries')_

pipeline {

agent {
label 'kie-rhel7 && !built-in'
}

tools {
maven 'kie-maven-3.8.7'
jdk 'kie-jdk11'
nodejs 'nodejs-16.2.0'
}

environment {
ENV_AFFECTED_COMPONENTS = ''
ENV_REPO_DIR_NAME = ''
GERRIT_CREDENTIALS = credentials('gerrit-user')
}

parameters {
string(description: 'The repo where the patch needs to be applied to.', name: 'PROJECT_REPO', defaultValue: 'git://git.host.prod.eng.bos.redhat.com/kiegroup/drools.git')
string(description: 'The tag corresponding to the product version for which the patch needs to be created', name: 'PRODUCT_TAG', defaultValue: '7.67.0.Final-redhat-00022')
string(description: 'The JIRA ID of the one-off patch.', name: 'PATCH_JIRA_ID', defaultValue: 'RHPAM-5678')
string(description: 'The upstream repo where is the patch tag.', name: 'UPSTREAM_REPO', defaultValue: 'https://github.com/kiegroup/drools.git')
string(description: 'The one-off patch branch on upstream.', name: 'BRANCH_PATCH', defaultValue: '7.67.x')
string(description: 'The patch commit hash to backport.', name: 'COMMIT_HASH_TO_BACKPORT', defaultValue: 'bc54b76e4706f0af272b9e29891e1255c48b8bee')
string(description: 'The Gerrit repo where the patch will be pushed.', name: 'GERRIT_REPO_TARGET', defaultValue: 'kiegroup/drools.git')
string(description: 'The definitions file to be used on Build Chain.', name: 'BUILD_CHAIN_DEFINITIONS_FILE', defaultValue: 'https://code.engineering.redhat.com/gerrit/gitweb?p=rguimara/pnc-test.git;a=blob_plain;f=definitions-file.yaml;h=87e631fccc00ce74ce791c7eb8a49187e349a638;hb=80b133edf32b94793b8f44aa56997ce755f3477d')
}

stages {
stage('Install build-chain tool') {
steps {
script {
try {
sh "npm install -g @kie/build-chain-action"
} catch(e) {
println "[WARNING] Error installing @kie/build-chain-action. Did you check the version is already published at https://www.npmjs.com/package/@kie/build-chain-action ? In case it is you should wait few minutes for ${NPM_REGISTRY_URL} to be synched up. Otherwise check latest 'Publish' action at https://github.com/kiegroup/github-action-build-chain/actions or contact kiegroup/github-action-build-chain responsible."
}
}
}
}

stage('Build projects with build-chain branch flow') {
steps {
script {
withCredentials([string(credentialsId: 'kie-ci2-token', variable: '${GERRIT_CREDENTIALS}')]) {
def currentRepoDir = getGroupAndProjectRepositoryDirectory()
sh "build-chain build branch --token=${GERRIT_CREDENTIALS} -f '${params.BUILD_CHAIN_DEFINITIONS_FILE}' -p ${currentRepoDir} -b main -o build_chain"
}
}
}
}

stage('Cd to directory, get tags & cherry-pick') {
steps {
script {
ENV_REPO_DIR_NAME = getNewDirectoryName()

dir ("build_chain/${ENV_REPO_DIR_NAME}"){
println "[INFO] Fetching origin tags..."
sh "git fetch origin --tags"

println "[INFO] Checkout to PRODUCT_TAG..."
sh "git checkout ${params.PRODUCT_TAG}"

println "[INFO] Create new branch and checkout..."
sh "git checkout -b ${params.PATCH_JIRA_ID}"

println "[INFO] Adding upstream..."
sh "git remote add upstream ${params.UPSTREAM_REPO}"

println "[INFO] Fetching tags..."
sh "git fetch upstream ${params.BRANCH_PATCH}"

println "[INFO] Cherry-picking..."
sh "git cherry-pick ${params.COMMIT_HASH_TO_BACKPORT}"
}
}
}
}

stage('Running PME tool') {
steps {
script {

dir("build_chain/${ENV_REPO_DIR_NAME}"){
println "[INFO] Running PME..."
script {
AFFECTED_COMPONENTS = sh (
script: 'git show --name-only ${COMMIT_HASH_TO_BACKPORT}',
returnStdout: true
).trim()
}
ENV_AFFECTED_COMPONENTS = getComponentsDirectories( AFFECTED_COMPONENTS )
ENV_AFFECTED_COMPONENTS.tokenize(",").each {
println "[INFO] cd into ${it}"
dir("${it}"){
def currentVersion = readMavenPom().getParent().getVersion()
println "Changing version to ${currentVersion}-${params.PATCH_JIRA_ID}"
sh "java -jar ${env.PME_CLI_PATH} -DversionOverride=${currentVersion}-${params.PATCH_JIRA_ID}"
}
}
}
}
}
}

stage('Build project skipping checkout ') {
steps {
script {
withCredentials([string(credentialsId: 'kie-ci2-token', variable: '${GERRIT_CREDENTIALS}')]) {
def currentRepoDir = getGroupAndProjectRepositoryDirectory()
sh "build-chain build branch --token=${GERRIT_CREDENTIALS} -f '${params.BUILD_CHAIN_DEFINITIONS_FILE}' -p ${currentRepoDir} -b main -o build_chain --skipCheckout"
}
}
}
}


stage('Generate the JAR files') {
steps {
script {
dir("build_chain/${ENV_REPO_DIR_NAME}"){
def SETTINGS_XML_ID = '5d9884a1-178a-4d67-a3ac-9735d2df2cef'
configFileProvider([configFile(fileId: "${SETTINGS_XML_ID}", variable: 'PME_MAVEN_SETTINGS_XML')]) {
ENV_AFFECTED_COMPONENTS.tokenize(",").each {
println "[INFO] cd into ${it}"
dir("${it}"){
sh "pwd"
sh "mvn -s ${PME_MAVEN_SETTINGS_XML} clean package -DskipTests"
archiveArtifacts artifacts: 'target/*.tar.gz', fingerprint: true
}
}
}
}
}
}
}


stage('Push new branch to target repo') {
steps {
script {
dir("build_chain/${ENV_REPO_DIR_NAME}"){
println "[INFO] Pushing new branch to target repo..."
githubscm.addRemote('code.engineering', "${env.PRODUCTIZATION_REPOSITORY_BASE_URL}/${params.GERRIT_REPO_TARGET}")
if (githubscm.isThereAnyChanges()) {
githubscm.commitChanges("One-off patch ${params.PATCH_JIRA_ID}")
println "[INFO] Changed files:"
sh "git diff --name-only HEAD~1"

// Remove comment when in prod.
println "[INFO] Pushing to code.engineering..."
//githubscm.pushObject('code.engineering', params.PATCH_JIRA_ID)

} else {
echo "No changes to push."
}
}
}
}
}

stage('Create README file') {
steps {
script {
sh "curl -L https://gist.githubusercontent.com/bacciotti/89651fdc1dc2f411bc52a6d80f712215/raw/c2b437a103c2428bad1ae752e8c556442fe605e9/README.txt > README.txt"
sh "less README.txt"
}
}
}



}
post {
always {
cleanWs()
}
}
}

/**
* Get repository directory name to cd into
* Needed to remove the slashes, the ".git" part etc.
*
* return String - the directory name
*
*/
String getCurrentRepositoryDirectory() {
String projectRepoUrl = params.PROJECT_REPO;
String[] projectDirectories;
projectDirectories = projectRepoUrl.split('/');
projectDirectory = projectDirectories[projectDirectories.size() - 1];

return projectDirectory.substring(0, projectDirectory.length() - 4 )
}

/**
* Create a set of the affected components repositories directories
*
* return List - a list of directories to pipeline iterate
*
*/
String getComponentsDirectories(String affectedComponents ) {
println "[INFO] Getting affected components directories..."
def dirList = []

affectedComponents.readLines().each {
if (it) {
if (it.contains("/")) {
String projectRepoDirectory = it;
String[] currentComponent;
currentComponent = projectRepoDirectory.split('/');
dirList.add(currentComponent[0])
}
}
}

return dirList.join(',')
}

/**
* Get repository directory name to use in build chain (With group/project format)
* Needed to add the slashes, and remove the ".git" part etc.
*
* return String - the directory name
*
*/
String getGroupAndProjectRepositoryDirectory() {
String projectRepoUrl = params.PROJECT_REPO;
String[] projectDirectories;
projectDirectories = projectRepoUrl.split('/');
projectDirectory = projectDirectories[projectDirectories.size() - 2] + "/" + projectDirectories[projectDirectories.size() - 1]

return projectDirectory.substring(0, projectDirectory.length() - 4 )
}

/**
* Prepare new directory name replacing strings changed by build-chain
*
* return String - the new directory name
*
*/
String getNewDirectoryName() {
String projectRepoUrl = params.PROJECT_REPO;
String[] projectDirectories;
projectDirectories = projectRepoUrl.split('/');
def newDirectory = projectDirectories[projectDirectories.size() - 2] + "_" + projectDirectories[projectDirectories.size() - 1]

return (newDirectory.substring(0, newDirectory.length() - 4 ))
}

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