The document discusses using Jenkins for CI/CD and focuses on working with Jenkinsfiles, specifically utilizing the declarative pipeline syntax. It provides instructions for linting Jenkinsfiles using tools like the Jenkins linter and 'jflint', including setup steps and examples of common errors encountered. Additionally, it mentions SSH access and interactions with the Jenkins API for validation purposes.

1. Jenkinsfile lint
Miyata Jumpei (@miyajan)
Jul 07, 2017
10 Jenkins

2. ⾃⼰紹介
• 宮⽥ 淳平 (@miyajan)
• Cybozu
• ⽣産性向上チーム（⼀⼈）
• 社内で12のJenkinsを管理してます

3. Declarative Pipeline 😆

4. pipeline {
agent any
stage("Test") {
steps {
echo "test"
}
}
}
よーし、試すぞー

5. Y^Y^Y^Y^Y

6. 構⽂間違えた…

7. Jenkinsfile
•
• Groovy …
• push

8. Linter
• https://jenkins.io/doc/book/pipeline/
development/#linter
• SSH curl

9. # JENKINS_SSHD_PORT=[sshd port on master]
# JENKINS_HOSTNAME=[Jenkins master hostname]
$ ssh -p $JENKINS_SSHD_PORT $JENKINS_HOSTNAME
declarative-linter < Jenkinsfile
SSH

10. # Assuming "anonymous read access" has been enabled on
your Jenkins instance.
# JENKINS_URL=[root URL of Jenkins master]
# JENKINS_CRUMB is needed if your Jenkins master has CRSF
protection enabled as it should
$ JENKINS_CRUMB=`curl "$JENKINS_URL/crumbIssuer/api/xml?
xpath=concat(//crumbRequestField,":",//crumb)"`
curl -X POST -H $JENKINS_CRUMB -F
"jenkinsfile=<Jenkinsfile" $JENKINS_URL/pipeline-model-
converter/validate
curl

11. (^o^)

12. jflint
• npm
• https://www.npmjs.com/package/jflint
• curl REST API

13. $ npm install jflint -g
Install

14. {
"jenkinsUrl": “http://your-jenkins.example.com”
}
.jflintrc

15. $ jflint Jenkinsfile
Errors encountered validating Jenkinsfile:
WorkflowScript: 4: Undefined section "stage" @ line 4,
column 5.
stage("Test") {
^
WorkflowScript: 1: Missing required section "stages" @
line 1, column 1.
pipeline {
^
Usage

16. •
• git pre-commit hook

17. • Declarative Pipeline linter
• jflint