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Automate jenkins job creation (#phpbnl18)
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Toni Van de Voorde
January 27, 2018
Technology
1
210
Automate jenkins job creation (#phpbnl18)
Improved version given at phpbnl18
Toni Van de Voorde
January 27, 2018
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Transcript
Automate jenkins job creation Toni Van de Voorde – CTO
@ Adsdaq.eu
Why Jenkins ? o Free o Open-Source o Customization o
Plugin system o Full control of the system
But o Time needed for configurations / customization
Adsdaq o Microservice oriented o Different techno's o Lot’s of
small feature branches Many jobs to manage !!!
The solution Job DSL Plugin
Job DSL Plugin A groovy-based Domain Specific Language for Jenkins
Jobs
Job DSL Plugin Installation FROM jenkins/jenkins:lts-alpine RUN /usr/local/bin/install-plugins.sh job-dsl
Job DSL Plugin Configuration 1. Create new Freestyle project
Job DSL Plugin Configuration 2. Add SCM
Job DSL Plugin Configuration 3. Add build step
Job DSL Plugin Configuration 4. Configure the build step
Job DSL Plugin Configuration 5. Save and execute the job
Job DSL Plugin Script Security Your first execution failed right
??? o Script Approval o Sandboxing o Disable
Job DSL Plugin Script Security Script Approval
Job DSL Plugin def gitUrl = 'git://github.com/jenkinsci/job-dsl-plugin.git’ job('demo1') { scm
{ git(gitUrl) } triggers { scm('*/15 * * * *') } steps { maven('-e clean test') } } Example demo1.groovy
Job DSL Plugin def gitUrl = 'git://github.com/jenkinsci/job-dsl-plugin.git’ job('demo1') { scm
{ git(gitUrl) } triggers { scm('*/15 * * * *') } steps { maven('-e clean test') } } Example demo1.groovy
Job DSL Plugin def gitUrl = 'git://github.com/jenkinsci/job-dsl-plugin.git’ job('demo1') { scm
{ git(gitUrl) } triggers { scm('*/15 * * * *') } steps { maven('-e clean test') } } Example demo1.groovy
Job DSL Plugin def gitUrl = 'git://github.com/jenkinsci/job-dsl-plugin.git’ job('demo1') { scm
{ git(gitUrl) } triggers { scm('*/15 * * * *') } steps { maven('-e clean test') } } Example demo1.groovy
Job DSL Plugin def gitUrl = 'git://github.com/jenkinsci/job-dsl-plugin.git’ job('demo1') { scm
{ git(gitUrl) } triggers { scm('*/15 * * * *') } steps { maven('-e clean test') } } Example demo1.groovy
Job DSL Plugin Currently supports up to 190 Plugins
Job DSL Plugin Community Driven o > 1000 Pull Requests
o 155 contributors o > 1000 stars
Job DSL Plugin Extend the DSL Heeelp my plugin is
not (yet) supported
Job DSL Plugin Extend the DSL demo2.groovy
Job DSL Plugin Generate Jobs/branch (1) demo3.groovy def gitUrl =
'git://github.com/jenkinsci/job-dsl-plugin.git’ def branches = ['master','dev','hotfix'] branches.each { branch -> job("demo3-${branch}") { scm { git(gitUrl, branch) } } }
Job DSL Plugin Generate Jobs/branch (1) demo3.groovy def gitUrl =
'git://github.com/jenkinsci/job-dsl-plugin.git’ def branches = ['master','dev','hotfix'] branches.each { branch -> job("demo3-${branch}") { scm { git(gitUrl, branch) } } }
Job DSL Plugin Generate Jobs/branch (1) demo3.groovy def gitUrl =
'git://github.com/jenkinsci/job-dsl-plugin.git’ def branches = ['master','dev','hotfix'] branches.each { branch -> job("demo3-${branch}") { scm { git(gitUrl, branch) } } }
Job DSL Plugin Generate Jobs/branch (2) demo4.groovy def project =
'Netflix/asgard’ def branchApi = new URL("https://api.github.com/repos/${project}/branches") def branches = new groovy.json.JsonSlurper().parse(branchApi.newReader()) branches.each { def branchName = it.name def jobName = "${project}-${branchName}".replaceAll('/','-') job(jobName) { scm { git("https://github.com/${project}.git", branchName) } } }
Job DSL Plugin Generate Jobs/branch (3) demo5.groovy def project =
'automate-jenkins-job-creation’ def repo = "https://
[email protected]
/tonivdv/${project}.git" Process proc1 = "git ls-remote -h ${repo}".execute() Process proc2 = 'sed s/.*refs\\/heads\\///g'.execute() Process all = proc1 | proc2 all.waitFor() def branches = "${all.in.text}".split('\\n') branches.each { … }
Job DSL Plugin Generate Jobs/branch (4) demo5bis.groovy package utilities public
class GitUtils { public static String[] getRemoteBranches(def repoUrl, def out) { Process proc1 = "git ls-remote -h ${repoUrl}".execute() Process proc2 = 'sed s/.*refs\\/heads\\///g'.execute() Process all = proc1 | proc2 all.waitFor() out.println "### DEBUG: Begin ###" ... out.println "### DEBUG: End ###" def branches = "${all.in.text}".split('\\n') return branches } }
Job DSL Plugin Generate Jobs/branch (5) demo5bis.groovy import utilities.GitUtils def
project = 'automate-jenkins-job-creation’ def repo = https://
[email protected]
/tonivdv/${project}.git def branches = GitUtils.getRemoteBranches(repo, out) folder('demo5bis') branches.each { … }
Job DSL Plugin Conditionals demo6.groovy branches.each { branch -> def
myjob = job(jobName) { .. } if (branch == "master") { myjob.with { steps { maven('-e deploy clean test') } } } else { ... } }
Job DSL Plugin Conditionals demo6.groovy branches.each { branch -> def
myjob = job(jobName) { .. } if (branch == "master") { myjob.with { steps { maven('-e deploy clean test') } } } else { ... } }
Job DSL Plugin Conditionals demo6.groovy branches.each { branch -> def
myjob = job(jobName) { .. } if (branch == "master") { myjob.with { steps { maven('-e deploy clean test') } } } else { ... } }
Job DSL Plugin Many other features o Use any Java/Groovy
libraries o Functions to reuse code o Create Views/Folders/Worflows/…
Job DSL Plugin Tips o Credential Plugin o JobConfigHistory Plugin
o Use the great API Viewer o (https://[jenkins-host]/plugin/job-dsl/api-viewer/index.html) o https://jenkinsci.github.io/job-dsl-plugin/
Job DSL Plugin Tips o Commit your DSL scripts to
SCM o Don’t create jobs manually anymore :p
Job DSL Plugin References o Wiki o https://github.com/jenkinsci/job-dsl-plugin/wiki o API
Viewer o https://jenkinsci.github.io/job-dsl-plugin/ o Presentation demo files o https://github.com/tonivdv/automate-jenkins-job-creation
Automate jenkins job creation Questions?
Automate jenkins job creation Toni Van de Voorde
[email protected]
@tonivdv
www.devexp.eu https://github.com/tonivdv Thank You Join our Team
[email protected]
demo-files: https://git.io/vds08 Rate this talk: https://joind.in/talk/26f3d