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orchestrator.Jenkinsfile
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orchestrator.Jenkinsfile
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#!/usr/bin/env groovy
/*
Monorepo root orchestrator: This Jenkinsfile runs the Jenkinsfiles of all subprojects based on the changes made and triggers kyma integration.
- checks for changes since last successful build on master and compares to master if on a PR.
- for every changed project, triggers related job async as configured in the seedjob.
- for every changed additional project, triggers the kyma integration job.
- passes info of:
- revision
- branch
- current app version
*/
def label = "console-${UUID.randomUUID().toString()}"
appVersion = "0.1." + env.BUILD_NUMBER
/*
Projects that are built when changed.
IMPORTANT NOTE: Projects trigger jobs and therefore are expected to have a job defined with the same name in the seed job.
*/
projects = [
"core",
"instances",
"catalog",
"content",
"components/react",
"tests",
"lambda",
"governance"
]
/*
project jobs to run are stored here to be sent into the parallel block outside the node executor.
*/
jobs = [:]
properties([
buildDiscarder(logRotator(numToKeepStr: '30')),
])
podTemplate(label: label) {
node(label) {
try {
timestamps {
timeout(time:5, unit:"MINUTES") {
ansiColor('xterm') {
stage("setup") {
checkout scm
// use HEAD of branch as revision, Jenkins does a merge to master commit before starting this script, which will not be available on the jobs triggered below
commitID = sh (script: "git rev-parse origin/${env.BRANCH_NAME}", returnStdout: true).trim()
changes = changedProjects()
}
stage('collect projects') {
buildableProjects = changes.intersect(projects) // only projects that have build jobs
echo "Collected the following projects with changes: $buildableProjects..."
for (int i=0; i < buildableProjects.size(); i++) {
def index = i
jobs["${buildableProjects[index]}"] = { ->
build job: "console/"+buildableProjects[index],
wait: true,
parameters: [
string(name:'GIT_REVISION', value: "$commitID"),
string(name:'GIT_BRANCH', value: "${env.BRANCH_NAME}"),
string(name:'APP_VERSION', value: "$appVersion")
]
}
}
}
}
}
}
} catch (ex) {
echo "Got exception: ${ex}"
currentBuild.result = "FAILURE"
def body = "${currentBuild.currentResult} ${env.JOB_NAME}${env.BUILD_DISPLAY_NAME}: on branch: ${env.BRANCH_NAME}. See details: ${env.BUILD_URL}"
emailext body: body, recipientProviders: [[$class: 'DevelopersRecipientProvider'], [$class: 'CulpritsRecipientProvider'], [$class: 'RequesterRecipientProvider']], subject: "${currentBuild.currentResult}: Job '${env.JOB_NAME} [${env.BUILD_NUMBER}]'"
}
}
}
// trigger jobs for projects that have changes, in parallel
stage('build projects') {
parallel jobs
}
/* -------- Helper Functions -------- */
/**
* Provides a list with the projects that have changes within the given projects list.
* If no changes found, all projects will be returned.
*/
String[] changedProjects() {
res = []
def allProjects = projects
echo "Looking for changes in the following projects: $allProjects."
// get all changes
allChanges = changeset().split("\n")
// if no changes build all projects
if (allChanges.size() == 0) {
echo "No changes found or could not be fetched, triggering all projects."
return allProjects
}
// parse changeset and keep only relevant folders -> match with projects defined
for (int i=0; i < allProjects.size(); i++) {
for (int j=0; j < allChanges.size(); j++) {
if (allChanges[j].startsWith(allProjects[i]) && changeIsValidFileType(allChanges[j],allProjects[i]) && !res.contains(allProjects[i])) {
res.add(allProjects[i])
break // already found a change in the current project, no need to continue iterating the changeset
}
if (projects[i] == "governance" && allChanges[j].endsWith(".md") && !res.contains(projects[i])) {
res.add(projects[i])
break // already found a change in one of the .md files, no need to continue iterating the changeset
}
}
}
return res
}
boolean changeIsValidFileType(String change, String project){
return !change.endsWith(".md") || "docs".equals(project);
}
/**
* Gets the changes on the Project based on the branch or an empty string if changes could not be fetched.
*/
@NonCPS
String changeset() {
// on branch get changeset comparing with master
if (env.BRANCH_NAME != "master") {
echo "Fetching changes between origin/${env.BRANCH_NAME} and origin/master."
return sh (script: "git --no-pager diff --name-only origin/master...origin/${env.BRANCH_NAME} | grep -v 'vendor\\|node_modules' || echo ''", returnStdout: true)
}
// on master get changeset since last successful commit
else {
echo "Fetching changes on master since last successful build."
def successfulBuild = currentBuild.rawBuild.getPreviousSuccessfulBuild()
if (successfulBuild) {
def commit = commitHashForBuild(successfulBuild)
return sh (script: "git --no-pager diff --name-only $commit 2> /dev/null | grep -v 'vendor\\|node_modules' || echo ''", returnStdout: true)
}
}
return ""
}
/**
* Gets the commit hash from a Jenkins build object
*/
@NonCPS
def commitHashForBuild(build) {
def scmAction = build?.actions.find { action -> action instanceof jenkins.scm.api.SCMRevisionAction }
return scmAction?.revision?.hash
}