Jenkins 2.0 最新事情〜Make Jenkins Great Again〜

Jenkins 2.0
Make Jenkins Great Again!
Miyata Jumpei (@miyajan)
Mar 18, 2017
Productivity Engineering - Forkwell Meetup #4

⾃⼰紹介
• 宮⽥淳平 (@miyajan)
• Cybozu
• ⽣産性向上チーム
• Jenkinsおじさん

History
• 2005 Hudson 1.0
• 2011 Forked to Jenkins
• 2016/04 Jenkins 2.0

Jenkins 1.0
• 10 years
• 100K active users
• 1000 plugins

• CI
•
• /UI
• Jenkins
• CI/CD
• UX

https://jenkins.io/blog/2016/04/26/jenkins-20-is-here/

Jenkins 2.0
• 10
•
• 1.0
• Deprecated: Jenkins

$ docker run -p 8080:8080 jenkins:2.32.3
# http://localhost:8080
Try Jenkins 2.0

Suggested Plugins
•
•
• Pipeline, Git, Mail, Credential Binding, etc.
Jenkins 2.0

Jenkins 2.0 最新事情〜Make Jenkins Great Again〜

•
• Build Pipeline Plugin
• Delivery Pipeline Plugin
•
•
•
Jenkins 1.0

Pipeline Plugin
• DSL( )
• 1
•
• master
Jenkins 2.0

GUI
•
•
• JobConﬁgHistory Plugin …
Jenkins 1.0

Pipeline as Code
• DSL(Groovy)
•
•
•
Jenkins 2.0

•
•
• https://github.com/jenkinsci/pipeline-
plugin/blob/master/COMPATIBILITY.md
•
• https://github.com/jenkinsci/pipeline-
plugin/blob/master/DEVGUIDE.md
Jenkins 2.0

Scripted Pipeline &
Declarative Pipeline

Scripted Pipeline
• Pipeline
•
•
• try/catch…
Jenkins 2.0

node(‘has-docker’) {
try {
checkout scm
stage(‘Build’) {
sh ‘mvn clean install’
}
stage(‘Archive’) {
( )
}
if (currentBuild.result == 'SUCCESS') {
mail to:"me@example.com", subject:"SUCCESS", body: "passed."
}
}
catch (exc) {
mail to:"me@example.com", subject:"FAILURE", body: "failed."
}
finally {
deleteDir()
}
}

Declarative Pipeline
•
•
• Lint
Jenkins 2.0

pipeline {
agent label:’has-docker’, dockerfile: true
stages {
stage("Build") {
steps {
sh 'mvn clean install'
}
}
stage("Archive"){
( )
}
}
post {
always {
deleteDir()
}
success {
mail to:"me@example.com", subject:"SUCCESS", body: "passed."
}
failure {
mail to:"me@example.com", subject:"FAILURE", body: "failed."
}
}
}

Lint
•
• curl ssh lint
• https://github.com/jenkinsci/pipeline-model-
definition-plugin/wiki/Validating-(or-linting)-a-
Declarative-Jenkinsfile-from-the-command-line
• npm
• https://www.npmjs.com/package/jflint

Lint from CLI
• curl ssh lint
definition-plugin/wiki/Validating-(or-linting)-a-
Declarative-Jenkinsfile-from-the-command-line
• npm
• https://www.npmjs.com/package/jflint

• Declarative Pipeline
• “script” Scripted
Pipeline

Build in Container
// simple
agent {
docker “ubuntu:16.04”
}
// specify label & args
agent {
docker {
image “ubuntu:16.04”
label “docker-nodes”
args “-v /tmp:/tmp -p 8000:8000”
}
}

Credentials
environment {
// type: secret text
// SECRET_TEXT is defined
SECRET_TEXT = credentials(‘SECRET_TEXT')
// type: username and password
// SECRET_AUTH_USR and SECRET_AUTH_PSW are defined
SECRET_AUTH = credentials('SECRET_AUTH')
}

Options
pipeline {
options {
// 7
buildDiscarder(logRotator(daysToKeepStr: '7'))
}
}

Triggers
pipeline {
triggers {
cron('* * * * *')
}
}

Parallel
stage("Commit") {
steps {
parallel(
unitTest: {
…
},
staticAnalysis: {
…
},
package: {
…
}
)
}
}

Conditions
stage("Production") {
when {
branch "master"
}
steps {
// deploy to production
}
}

Stash
stage("Archive") {
agent {
docker “java:8”
}
steps {
sh “gradle jar”
stash name: “jar”, includes: “build/libs/*.jar”
}
}
stage(“Deployment”) {
agent {
docker …
}
steps {
unstash “jar”
// jar
}
}

User Input
stage("Production") {
steps {
input “Ready to deploy?”
}
}

Syntax
deﬁnition-plugin/wiki/Syntax-Reference
• https://jenkins.io/doc/book/pipeline/syntax/

•
• …
• subtree or submodule…?
Jenkins 1.0

Shared Libraries
• GitHub
• Groovy
• https://jenkins.io/doc/book/pipeline/shared-
libraries/
Jenkins 2.0

Example: without Library
pipeline {
…
post {
failure {
// echo ‘failure!’ with red color
ansiColor('xterm') {
echo '033[0;31mFailure!033[0m'
}
}
}
…
}

vars/echoErr.groovy
#!/usr/bin/env groovy
def call(String text) {
ansiColor('xterm') {
echo “033[0;31m${text}033[0m"
}
}

(repository root)
+- vars
- +- echoErr.groovy

Example: with Library
@Library('miyata-shared-libraries') _
pipeline {
…
post {
failure {
echoErr ‘Failure!’
}
}
…
}

• DRY
•
• @Library('my-shared-library@1.0') _
•

GitHub Plugin
•
•
commit status pending  
commit status …
•
Jenkins 1.0

GitHub Organization Folder
• Organization
• Jenkinsﬁle Multibranch
Pipeline GitHub
Jenkins 2.0

Multibranch Pipeline
•
• Jenkinsﬁle
•
Jenkins 2.0

Classic Jenkins UI
• UX
Jenkins 1.0

Blue Ocean
• UX
•
• RC
•
• Blue Ocean Plugin
Jenkins 2.0

Pipeline Editor
• Blue Ocean
• Jenkinsﬁle GUI
Jenkins 2.0

stage
•
• Enterprise
• Groovy …
• JENKINS-33846

• LTS …
• LTS(stable)
•

GUI
•
•
• init.groovy.d ...
•
• https://github.com/jenkinsci/system-conﬁg-dsl-
plugin

Best Practices
• Declarative Pipeline
• GitHub Organization Folder
• Blue Ocean

References
• https://jenkins.io/doc/
• https://jenkins.io/node/
• https://www.cloudbees.com/juc/agenda

Cybozu Meetup
1
2 : https://cybozu.connpass.com/event/52668/

Jenkins 2.0 最新事情〜Make Jenkins Great Again〜

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