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Parameterized Scheduler

A Jenkins Plugin to support setting parameters in the build schedule. Using multiple cron lines each ending with a % and some name=value pairs you can schedule your parameterized build to run with different parameters at different times. It may turn out that this improvement request JENKINS-16352 will be implemented in Jenkins core. Then this plugin will no longer be needed. My first thought is to try it out as a plugin. This plugin now supports declarative Jenkins pipelines. See configuration example below.


Clone or fork to build the .hpi yourself (mvn package) or download the .hpi from my release. Then follow the Jenkins Plugin installation instructions


After you save your project with some parameters (yes, save, then go back into the config page) you will see

Build periodically with parameters

in the Build Triggers section as shown here:

Parameterized Schedular Config

Configuration Example

The cron line before the % symbol is processed the same as the jenkins core Build periodically Schedule. Leave a space. Put in a %. Then add the name=value pairs you need for your project build parameters.

The idea was born from the need to use a different environment. To use a different TestNG configuration xml. In this example the env parameter will be set to int during the build triggered at 15 after each hour. Then env will be qa when the build runs at half past.

  #lets run against the integration environment at 15 past the hour
  15 * * * * % env=int
  #run QA too
  30 * * * % env=qa

Yes, of course you can set multiple parameters. Lets say you have three parameters:

  • furniture
  • color
  • name (with a default of fred)

Then you might want a schedule like the following:

  # leave spaces where you want them around the parameters. They'll be trimmed.
  # we let the build run with the default name
  5 * * * * % furniture=chair;color=black
  # now, let's override that default name and use Mr. Rubble.
  10 * * * * % furniture=desk; color=yellow; name=barney

Declarative Pipeline Configuration Example

The parameterized cron trigger can be specified using the key parameterizedCron under the triggers directive. The built in cron trigger is still available and is independent of parameterizedCron.


pipeline {
    agent any
    parameters {
      string(name: 'PLANET', defaultValue: 'Earth', description: 'Which planet are we on?')
      string(name: 'GREETING', defaultValue: 'Hello', description: 'How shall we greet?')
    triggers {
        cron('* * * * *')
# leave spaces where you want them around the parameters. They'll be trimmed.
# we let the build run with the default name
*/2 * * * * %GREETING=Hola;PLANET=Pluto
*/3 * * * * %PLANET=Mars
    stages {
        stage('Example') {
            steps {
                echo "${GREETING} ${PLANET}"
                script { currentBuild.description = "${GREETING} ${PLANET}" }

Example Output in Jenkins

Example Output in Jenkins

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