Automate jenkins job creation

Jenkins is a great CI tool. However when you need to manage a lot of jobs, this can quickly become a pain in the neck. What if you could automate all this? This talk will show you how to do this.

Transcript

1. Automate jenkins job creation Belgium Jenkins Area Meetup Toni Van de Voorde – CTO @ Adlogix.eu
2. Adlogix / Adsdaq / Buymedia Belgium Jenkins Area Meetup o Microservice oriented o Different techno's o Lot’s of small feature branches Many jobs to manage !!!
3. The solution Belgium Jenkins Area Meetup Job DSL Plugin
4. Job DSL Plugin Belgium Jenkins Area Meetup A groovy-based Domain Specific Language for Jenkins Jobs
5. Job DSL Plugin Belgium Jenkins Area Meetup Installation FROM jenkins/jenkins:lts-alpine RUN /usr/local/bin/install-plugins.sh job-dsl
6. Job DSL Plugin Belgium Jenkins Area Meetup Configuration 1. Create new Freestyle project
7. Job DSL Plugin Belgium Jenkins Area Meetup Configuration 2. Add SCM
8. Job DSL Plugin Belgium Jenkins Area Meetup Configuration 3. Add build step
9. Job DSL Plugin Belgium Jenkins Area Meetup Configuration 4. Configure the build step
10. Job DSL Plugin Belgium Jenkins Area Meetup Configuration 5. Save and execute the job
11. Job DSL Plugin Belgium Jenkins Area Meetup Script Security Your first execution failed right ??? o Script Approval o Sandboxing o Disable
12. Job DSL Plugin Belgium Jenkins Area Meetup Script Security Script Approval
13. Job DSL Plugin Belgium Jenkins Area Meetup 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
14. Job DSL Plugin Belgium Jenkins Area Meetup 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
15. Job DSL Plugin Belgium Jenkins Area Meetup 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
16. Job DSL Plugin Belgium Jenkins Area Meetup 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
17. Job DSL Plugin Belgium Jenkins Area Meetup 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
18. Job DSL Plugin Belgium Jenkins Area Meetup Currently supports up to 190 Plugins
19. Job DSL Plugin Belgium Jenkins Area Meetup Community Driven o > 1000 Pull Requests o 155 contributors o > 1000 stars
20. Job DSL Plugin Belgium Jenkins Area Meetup Extend the DSL Heeelp my plugin is not (yet) supported
21. Job DSL Plugin Belgium Jenkins Area Meetup Extend the DSL demo2.groovy
22. Job DSL Plugin Belgium Jenkins Area Meetup 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-${branch}") { scm { git(gitUrl, branch) } } }
23. Job DSL Plugin Belgium Jenkins Area Meetup Generate Jobs/branch (1) demo3.groovy def gitUrl = 'git://github.com/jenkinsci/job-dsl-plugin.git’ def branches = ['master','dev','hotfix'] branches.each { branch -> job("demo3-${branch}") { scm { git(gitUrl, branch) } } }
24. Job DSL Plugin Belgium Jenkins Area Meetup 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-${branch}") { scm { git(gitUrl, branch) } } }
25. Job DSL Plugin Belgium Jenkins Area Meetup Generate Jobs/branch (2) demo4.groovy def project = 'Netflix/asgard’ def branchApi = new URL("https://api.github.com/repos/${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/${project}.git", branchName) } } }
26. Job DSL Plugin Belgium Jenkins Area Meetup Generate Jobs/branch (3) demo5.groovy def project = 'automate-jenkins-job-creation’ def repo = "https://tonivdv@bitbucket.org/tonivdv/${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 { … }
27. Job DSL Plugin Belgium Jenkins Area Meetup Conditionals demo6.groovy branches.each { branch -> def myjob = job(jobName) { .. } if (branch == "master") { myjob.with { steps { maven('-e deploy clean test') } } } else { ... } }
28. Job DSL Plugin Belgium Jenkins Area Meetup Conditionals demo6.groovy branches.each { branch -> def myjob = job(jobName) { .. } if (branch == "master") { myjob.with { steps { maven('-e deploy clean test') } } } else { ... } }
29. Job DSL Plugin Belgium Jenkins Area Meetup Conditionals demo6.groovy branches.each { branch -> def myjob = job(jobName) { .. } if (branch == "master") { myjob.with { steps { maven('-e deploy clean test') } } } else { ... } }
30. Job DSL Plugin Belgium Jenkins Area Meetup Many other features o Use any Java/Groovy libraries o Functions to reuse code o Create Views/Folders/Worflows/…
31. Job DSL Plugin Belgium Jenkins Area Meetup 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/
32. Job DSL Plugin Belgium Jenkins Area Meetup Tips o Commit your DSL scripts to SCM o Don’t create jobs manually anymore :p
33. Job DSL Plugin Belgium Jenkins Area Meetup 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://bitbucket.org/tonivdv/automate-jenkins-job-creation
34. Automate jenkins job creation Belgium Jenkins Area Meetup Questions?
35. Automate jenkins job creation Belgium Jenkins Area Meetup Toni Van de Voorde toni.vdv@gmail.com @tonivdv www.devexp.eu https://github.com/tonivdv Thank You Join our Team info@adsdaq.eu Slides: http://bit.ly/2hCbkos demo-files: https://git.io/vds08