Jenkins CHANGES_SINCE_LAST_SUCCESS plugin variable is empty - jenkins

I have installed the Changes Since Last Success Plugin for Jenkins jobs. Inside the Build step of a Jenkins job I am trying to echo the value of the CHANGES_SINCE_LAST_SUCCESS variable. Unfortunately there is no value for this variable. I echo this value into a file inside my job's workspace.

You need Email-ext plugin instead.
Changes Since Last Success plugin has nothing to do with the CHANGES_SINCE_LAST_SUCCESS variable.
https://wiki.jenkins.io/display/JENKINS/Changes+Since+Last+Success+Plugin
This plugin adds a build action to aggregate changes from all previous builds to the last successful one. The primary goal is to generate a changelog to be used for continuous delivery, as an aggregate for all changes since the last deployable artifact.
Additionally, this plugin can be used to generate a changelog for an arbitrary range of builds:...

Related

JMeter & Jenkins - passing jmeter parameters to downstream build

The Setup - A jenkins job using jenkins parameters testApp and testEnv. The Execution Batch looks like this:
C:\jmeter\apache-jmeter-3.2\bin\jmeter.bat -n -t
C:\JMeter\Scripts\API_scripts\%testApp%.jmx -Jtestenv=%testEnv% -JtestApp=%testApp% -JtestBrowser=NA -l
C:\AUTO_Results\jtl\%testApp%_%testEnv%.jtl
Post-build Actions
Console output (build lob) parsing with a global rule so that the Failures that are logged in the Jenkins Console window will consider the JMeter script failing. (discussed Jenkins shows JMeter script failure even though the script actually passed)
Triggered parameterized build - this is a separate jmeter script that updates a wiki page with either PASS/FAIL and uploads the JMeter report.
The Issue - How do I get the downstream Triggered build to use the parameters from the upstream script? I set the Parameter = Current build parameters but it's not applying those. Also, I wont know the value of the testResult parameter until the upstream build finishes. I tried adding %testResult%=PASS to the 'Predefined parameters' box
As per Parameterized Trigger Plugin page:
The parameters section can contain a combination of one or more of the following:
a set of predefined properties
properties from a properties file read from the workspace of the triggering build
the parameters of the current build
Subversion revision: makes sure the triggered projects are built with the same revision(s) of the triggering build. You still have to make sure those projects are actually configured to checkout the right Subversion URLs.
Restrict matrix execution to a subset: allows you to specify the same combination filter expression as you use in the matrix project configuration and further restricts the subset of the downstream matrix builds to be run.
So you basically need to copy over the parameters you would like to have in the "downstream" job from the current one.
As a workaround to current performance plugin limitations you can consider running JMeter using Taurus tool as a wrapper, it has flexible and powerful pass/fail criteria subsystem which will basically return to Jenkins non-zero exit code triggering build failure in case of issue in the test. If everything goes well Taurus exit code will be 0 which is considered successful by Jenkins. Check out How to Run Taurus with the Jenkins Performance Plugin article for more details.

Jenkins: how to trigger pipeline on git tag

We want to use Jenkins to generate releases/deployments on specific project milestones. Is it possible to trigger a Jenkins Pipeline (defined in a Jenkinsfile or Groovy script) when a tag is pushed to a Git repository?
We host a private Gitlab server, so Github solutions are not applicable to our case.
This is currently something that is sorely lacking in the pipeline / multibranch workflow. See a ticket around this here: https://issues.jenkins-ci.org/browse/JENKINS-34395
If you're not opposed to using release branches instead of tags, you might find that to be easier. For example, if you decided that all branches that start with release- are to be treated as "release branches", you can go...
if( env.BRANCH_NAME.startsWith("release-") ) {
// groovy code on release goes here
}
And if you need to use the name that comes after release-, such as release-10.1 turning into 10.1, just create a variable like so...
if( env.BRANCH_NAME.startsWith("release-") ) {
def releaseName = env.BRANCH_NAME.drop(8)
}
Both of these will probably require some method whitelisting in order to be functional.
I had the same desire and rolled my own, maybe not pretty but it worked...
In your pipeline job, mark that "This project is parameterized" and add a parameter for your tag. Then in the pipeline script checkout the tag if it is present.
Create a freestyle job that runs a script to:
Checkout
Run git describe --tags --abbrev=0 to get the latest tag.
Check that tag against a running list of builds (like in a file).
If the build hasn't occurred, trigger the pipeline job via a url passing your tag as a parameter (in your pipeline job under "Build Triggers" set "Trigger builds remotely (e.g. from scripts) and it will show the correct url.
Add the tag to your running list of builds so it doesn't get triggered again.
Have this job run frequently.
if you use multibranch pipeline, there is a discover tag. Use that plus Spencer solution

How to get changelog since last build in Jenkins

I need to include my release notes in a gradle variable.
How to get changelog since last build in Jenkins, so that I can use them in my gradle variable
Below line in content section of Editable Email Notification will give the output of changes from the last build and changes from last successful build.
${CHANGES}
${CHANGES_SINCE_LAST_SUCCESS}

Jenkins Promoted Build Parameter Value

I have a jenkins job that runs some tests and promotes the build if all tests pass.
I then have a second job that has a 'Promoted build parameter' which is used for deployments.
THe idea is that the deply job should let you pick one of the prompted builds for deploying. The issue I'm having is that I can pick a promoted build, but I have not idea how I access information about the build.
I've named the build parameter
SELECTED_BUILD
And according to the docs this should then be available via the environment.
The problem is that it doesn't seem to be bound to anything.
If I run a build step to exectute this sheel script:
echo $SELECTED_BUILD
echo ${SELECTED_BUILD}
The values are not interpolated / set.
Any idea how I can access the values of this param?
Many Thanks,
Vackar
Inject the information as variable user jenkins plugin (eject evn variable).
while triggering parameterized build on other job, pass above variable as parameter to next job.

Calling a Scriptler script within another Scriptler script

I'm using the Scriptler plugin for Jenkins, and am having a hard time finding any information on how to share the scriptler scripts I'm writing between scripts. I've tried using the ScriptHelper from the Scriptler API, but have run into issues when passing in arguments to the script.
Anyone else come across this and solve it? Is there a standard way to do this (without calling the Jenkins REST API) to execute a script?
More Details
We have a full build MultiJob that contains many phase jobs, each with their own artifacts, with a 3 day time to live on them. When a this full build job is promoted, a scriptler runs against it, pulling each of the phase jobs artifacts into the full build job. By doing so, we can keep the full build alive forever, without changing the lifetime on the artifacts for each phase job (essentially 'keep this build forever' on the full build, ignoring the lifetimes set in the phase jobs.
We also want to pull these artifacts into a deploy job. The idea is that we can point a deploy job to a full build, and it will pull out the artifacts we specify. If the full build is promoted, this script will pull the artifacts directly from the full build job, otherwise, it will pull them from the internal phase jobs. Since we have 2 scripts that work with MultiJobs, I would like to be able to share this code between them.
The script would take a MultiJob name and build number, and return the individual phase job's build numbers, build statuses, and artifact information.
This is possible using Groovy capabilities, though I don't know if Scripler supports it directly. If you are running on the master node, you can use Groovy evaluate. Scriptler scripts are stored as Groovy files on the file system of the master node in the $JENKINS_HOME/scriptler/scripts directory. The Scripter ID is the function name within that directory.
Here is a very simple example. It uses two files. The first is the parameterized function, findByScm.groovy, which finds jobs using a give source control type. The second script, findByGitScm.groovy will evaluate the first function for Git SCMs and print the results.
findByScm.groovy
import jenkins.model.*
jenkins = Jenkins.instance;
// Notice that myScmType is not defined in this function
scmJobs = jenkins.items
.findAll { job -> job.scm != null && job.scm.type == myScmType }
findByGitScm.groovy
// This is supplying the argument to findByScm.groovy
myScmType = 'hudson.plugins.git.GitSCM'
// Now we are evaluating the script
evaluate(new File("${System.getProperty('JENKINS_HOME')}/scriptler/scripts/findByScm.groovy"))
// scmJobs is a variable which was introduced in findByScm.groovy
scmJobs.each { println it }

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