Jenkins Cheat Sheet

A cheat sheet in Deutsch (German) by FunThomas424242

Notizen zum Jenkins

Plugins Jenkins Docker Pipeline Konfiguratiion

10,599 views 1,800 downloads 15 Sep 2019 History

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Entwicklungsumgebungen

https://job-dsl.herokuapp.com/

Playground zur Jobs DSL

Plugins - Build Trigger

https://plugins.jenkins.io/selfie-trigger-plugin

Pipeline Trigger Job

# Build Trigger - Zeitgesteuert
TZ=Europe/Berlin
@midnight

# Pipeline - Definition Pipelinscript

node {
  stage("mypocketmod"){
    try {
      build 'mypocketmod/master'
    } catch (err) {
      echo "Caught: ${err}"
    }
    try {
      build 'rades-annotations'
    } catch (err) {
      echo "Caught: ${err}"
    }
    try {
      build 'localmod'
    } catch (err) {
      echo "Caught: ${err}"
    }
 }
}

Monitoring API

**Simple Job**
Buildstatus URL: jenkinsurl/job/jobName/lastBuild/api/json
Beispiel: http://stachel:8090/job/rades-annotations/lastBuild/api/json

**Multibranch Pipeline Plugin**
Buildstatus URL: jenkinsurl/job/repoName/job/BranchName/lastBuild/api/json
Beispiel: http://stachel:8090/job/mypocketmod/job/master/lastBuild/api/json

Im Response sind die wichtigen Felder:
* response.fullDisplayName
* response.result


{
   "_class": "hudson.model.FreeStyleBuild",
   "actions": [
      {
         "_class": "hudson.model.CauseAction",
         "causes": [
            {
               "_class": "hudson.model.Cause$UpstreamCause",
               "shortDescription": "Gestartet durch vorgelagertes Projekt „NighlyTrigger“, Build 6",
               "upstreamBuild": 6,
               "upstreamProject": "NighlyTrigger",
               "upstreamUrl": "job/NighlyTrigger/"
            }
         ]
      },
      {},
      {
         "_class": "hudson.plugins.git.util.BuildData",
         "buildsByBranchName": {
            "refs/remotes/origin/master": {
               "_class": "hudson.plugins.git.util.Build",
               "buildNumber": 6,
               "buildResult": null,
               "marked": {
                  "SHA1": "d68e6e7cbc7155a549e480e7354a6e64493382fa",
                  "branch": [
                     {
                        "SHA1": "d68e6e7cbc7155a549e480e7354a6e64493382fa",
                        "name": "refs/remotes/origin/master"
                     }
                  ]
               },
               "revision": {
                  "SHA1": "d68e6e7cbc7155a549e480e7354a6e64493382fa",
                  "branch": [
                     {
                        "SHA1": "d68e6e7cbc7155a549e480e7354a6e64493382fa",
                        "name": "refs/remotes/origin/master"
                     }
                  ]
               }
            }
         },
         "lastBuiltRevision": {
            "SHA1": "d68e6e7cbc7155a549e480e7354a6e64493382fa",
            "branch": [
               {
                  "SHA1": "d68e6e7cbc7155a549e480e7354a6e64493382fa",
                  "name": "refs/remotes/origin/master"
               }
            ]
         },
         "remoteUrls": [
            "https://github.com/FunThomas424242/rades-annotations.git"
         ],
         "scmName": ""
      },
      {
         "_class": "hudson.plugins.git.GitTagAction"
      },
      {},
      {},
      {}
   ],
   "artifacts": [],
   "building": false,
   "description": null,
   "displayName": "#6",
   "duration": 28582,
   "estimatedDuration": 47475,
   "executor": null,
   "fullDisplayName": "rades-annotations #6",
   "id": "6",
   "keepLog": false,
   "number": 6,
   "queueId": 39,
   "result": "SUCCESS",
   "timestamp": 1568557708973,
   "url": "http://stachel:8090/job/rades-annotations/6/",
   "builtOn": "",
   "changeSet": {
      "_class": "hudson.plugins.git.GitChangeSetList",
      "items": [],
      "kind": "git"
   },
   "culprits": []
}

Quelle: https://serverfault.com/questions/309848/how-do-i-check-the-build-status-of-a-jenkins-build-from-the-command-line

Spielejenkins im Internet bereitstellen

Lässt sich über Docker für max. 3h realisieren:

1. Aufruf der Dockerspielwiese: https://labs.play-with-docker.com
2. Add new Instanz
3. docker pull jenkins
4. docker run -p 8080:8080 -p 50000:50000 jenkins
5. Ablesen der IP und Ports der Umgebung
6. Öffnen der Jenkinsseite über den ausgelesenen 8080 z.B. http://ip172-18-0-7-bmh2hhlfhn20008g21v0-8080.direct.labs.play-with-docker.com/login?from=%2F
7. In der Console nach oben scrollen und das Jenkins admin Passwort herauskopieren. Sieht etwa so aus: fd87362a76514aa9973631c99257ecb4
8. Im geöffneten Jenkins anmelden (mit dem Passwort)

Manchmal machte die Installation mit default Plugins Probleme, daher besser erstmal keine zu installieren und dann manuell später nachholen

Jenkins - Monitore

https://github.com/ggirou/yet-another-jenkins-notifier	Chrome Extension	Nur auf Jobebene bei aktiver Authentifizierung
https://github.com/zionyx/jenkins-tray	Natives Binary	Multi Jenkins Support mit Tray aber die Liste öffnet im extra Fenster
========	======	======
HudsonTracker		Unterstützt die Jenkins Authorisierung nicht
http://fieryjoy.com/kato	Natives Binary	Benötigt Download

Zeitgesteuerte Ausführung

Pipeline mit Jenkinsfile
pipeline {
agent any
triggers {
cron('H /4 * 1-5')
}
stages {
stage('Example') {
steps {
echo 'Hello World'
}
}
}
}

`

String cron_string = BRANCH_NAME == "master" ? "@hourly" : ""

pipeline {
agent none
triggers { cron(cron_string) }
stages {
// do something
}
}

`

Quellen:
https://stackoverflow.com/questions/32028761/jenkins-build-pipeline-scheduled-trigger
https://stackoverflow.com/questions/39168861/build-periodically-with-a-multi-branch-pipeline-in-jenkins/44902622#44902622

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