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A neat little project that uses our jenkins utils and helps you to get started and start testing your scripts

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jenkins-as-code-starter-project

A neat little project that uses our jenkins utils and helps you to get started and start testing your scripts

Usage

  1. Clone this repo
  2. Rename it to something meaningful for your project
  3. Change the git remote URL to wherever your jobs will live
  4. In settings.gradle, change the rootProject.name to match your new project name
  5. Run ./gradlew build from the project root directory
  6. Install and run a local Jenkins
  7. Profit! Start writing your jobs in jobs dir.

Creating your jobs in Jenkins

Creating the seed job

Ultimately, you'll need a "seed job" to run your job files in Jenkins, essentially following these instructions

Assuming you're using our jenkins-automation niceties, your seed job will be configured with "multi-scm" and 2 git repos: the jenkins-automation repo, and the repo that you're creating by cloning this jenkins-as-code-starter-project

Local development helper

For local development, as you iterate on your job files, it's usually nice to tweak your file locally, create those jobs in a local jenkins, and then push to GitHub when they're working as expected.

To do so, use the gradle rest task, which we've included in jenkins-automation and lifted nearly verbatim from https://github.com/sheehan/job-dsl-gradle-example (thanks!)

./gradlew rest -Dpattern=<pattern> -DbaseUrl=<baseUrl> [-Dusername=<username>] [-Dpassword=<password>]

  • pattern - ant-style path pattern of files to include
  • baseUrl - base URL of Jenkins server
  • username - Jenkins username, if secured
  • password - Jenkins password or token, if secured
  • JAC_ENVIRONMENT - An environment variable we set in all of our Jenkinses. Defaults to "dev". Used by our EnvironmentUtils. See example usage in jobs/jobs.groovy in this repo
  • JAC_HOST - An environment variable we set in all of our Jenkinses. Defaults to "aws".

This uses a task named rest to execute jenkins.automation.rest.RestApiScriptRunner, which lives in the jenkins-automation repo and is available here since jenkins-automation is a dependency.

Finally, install and run Jenkins locally:

  • download the .war file from https://jenkins.io/
  • run with nohup java -jar path-to-file/jenkins.war --httpPort=8081

Examples

Run all jobs files in the jobs directory against a locally running Jenkins

./gradlew rest -Dpattern=jobs/** -DbaseUrl=http://localhost:8081

Run all jobs defined injobs/jobs.groovy against a locally running Jenkins.

./gradlew rest -Dpattern=jobs/jobs.groovy -DbaseUrl=http://localhost:8081

Same as above, but override the default JAC_ENVIRONMENT variable if those jobs behave different based on that variable ./gradlew rest -Dpattern=jobs/jobs.groovy -DbaseUrl=http://localhost:8081 -DJAC_ENVIRONMENT=prod

Run everything in the jobs directory against a remote Jenkins

./gradlew rest -Dpattern=jobs/** -DbaseUrl=http://dev.jenkins -Dusername=foo -Dpassword=bar

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A neat little project that uses our jenkins utils and helps you to get started and start testing your scripts

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