How do I safely retrieve the build root directory of all builds ?

Jean-luc Pinardon

• June 07, 2017 15:29

Let's assume that the build directory is configured to be located outside Jenkins Home.
For example, if JENKINS_HOME is /var/jenkins/<instance_name>/JENKINS_HOME, we could have something like /var/jenkins/<instance_name>/jenkinsBuildSata/ or /local/jenkinsBuildData/<instance_name>...
In brief, I don't want to rely of some possible naming rules that could evolve at midterm, and I have not been able to find a Jenkins variable or a Jenkins groovy API.
So, I guess there is a hack that can give that... but which one ?

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  Arnaud Héritier

  • June 07, 2017 20:30

  Hi Jean-Luc

    You are talking about Build Record Root Directory option in general settings ?

  https://github.com/jenkinsci/jenkins/blob/master/core/src/main/resources/jenkins/model/Jenkins/configure.jelly#L46

  https://github.com/jenkinsci/jenkins/blob/master/core/src/main/java/jenkins/model/Jenkins.java#L3660

  You can get them from the Jenkins instance

  http://javadoc.jenkins.io/jenkins/model/Jenkins.html#getRawBuildsDir--

  And then to get the path for a given job you can use

  http://javadoc.jenkins.io/jenkins/model/Jenkins.html#getBuildDirFor-hudson.model.Job-

  Does it help ?

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  Jean-luc Pinardon

  • June 09, 2017 14:44

  Hello Arnaud,
  
  Perhaps it will help... but I am not sure to understand what will return the getRawBuildsDir() api. And its documentation is really discreet...
  So, I have to try.
  
  Thanks for the help.
  
  Best Regards.

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  Arnaud Héritier

  • June 09, 2017 15:38

  Hi,

  getRawBuildsDir() will return the value you configured in your global settings without expending any variables while getBuildDirFor will compute the path and resolve all variables for a given project

  Regards

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  Jean-luc Pinardon

  • June 12, 2017 15:29

  Hello Arnaud,
  
  Sorry for such a late answer. I had finally understood what this method returns after some trials.
  So, Thanks a lot for having guided me to this method.
  I probably already saw it since some times, but had not be curious enough to try to discover what it was for... And I am sure that you will admit that its documentation is really ... how to say ... empty ? ;)
  
  Best Regards
  J-L

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