What is build number in Jenkins?

BUILD_NUMBER is the current build number. You can use it in the command you execute for the job, or just use it in the script your job executes. See the Jenkins documentation for the full list of available environment variables.

What is build number in Jenkins?

BUILD_NUMBER is the current build number. You can use it in the command you execute for the job, or just use it in the script your job executes. See the Jenkins documentation for the full list of available environment variables.

How do I set environment variables in Jenkins?

From the Jenkins web interface, go to Manage Jenkins > Manage Plugins and install the plugin.

  1. Go to your job Configure screen.
  2. Find Add build step in Build section and select Inject environment variables.
  3. Set the desired environment variable as VARIABLE_NAME=VALUE pattern.

How do I change the build number of Jenkins?

Perhaps a combination of these plugins may come in handy:

  1. Parametrized build plugin – define some variable which holds your build number.
  2. Version number plugin – use the variable to change the build number.
  3. Build name setter plugin – use the variable to change the build number.

How do I read Jenkins environment variables?

The Jenkins environment variables list can be viewed using two different ways.

  1. Via env-vars. html : The environment variables can be viewed on an HTML page.
  2. Via Windows batch script/shell command : You can also list all the environment variables by writing the shell command in the groovy script of the Jenkins pipeline.

How do I get previous build number in Jenkins?

You can make use of the currentBuild global variable. You can see all global variables at http://jenkins-url/pipeline-syntax/globals. The number can be retrieved from it.

What are the Jenkins environment variables?

Jenkins provides a set of environment variables….Built in environment variables

  • BUILD_NUMBER – The current build number.
  • BUILD_ID – The current build id.
  • BUILD_DISPLAY_NAME – The name of the current build.
  • JOB_NAME – Name of the project of this build.
  • BUILD_TAG – String of “jenkins-${JOB_NAME}-${BUILD_NUMBER}”.

What are Jenkins environment variables?

What are Environment Variables in Jenkins? Environment variables are global key-value pairs Jenkins can access and inject into a project. Use Jenkins environment variables to avoid having to code the same values for each project. Other benefits of using Jenkins environment variables include improved security.

How do you set variables in Jenkins pipeline?

Variables in a Jenkinsfile can be defined by using the def keyword. Such variables should be defined before the pipeline block starts. When variable is defined, it can be called from the Jenkins declarative pipeline using ${…} syntax.

How do I set build number?

The Build number on your Android phone is in a different place on every phone, but it’s easy enough to find.

  1. Google Pixel: Settings > System > About phone > Build number.
  2. Samsung Galaxy S8 and later: Settings > About phone > Software information > Build number.

How do I reset my Jenkins build number to 1?

First wipeout workspace and get rid of previous builds.

  1. On the server navigate to the job dir eg.
  2. Shut down jenkins using something like service jenkins stop.
  3. Edit the file called nextBuildNumber, inserting 1 instead of the current build number.
  4. Start up jenkins again, service jenkins start.

How does Jenkins Pipeline get environment variables?

Indeed just use ${env. JOB_NAME} to access a known variable. However if you need to access environment variable where name is given by another variable (dynamic access), just use env[“your-env-variable”] .

How can I see previous builds in Jenkins?

Navigate to the Jenkins dashboard and select Build History. This timeline displays your build history. This table displays a list of your past builds, time since build and the status of each build.