I have a question about new line in cron trigger in jenkins
I create a dynamic string such as
'cron': 'TZ=Europe/Berlin\n* * 1-5\n0 5 * * *\n'
using groovy script I want to set jenkins trigger, but the problem is, \n is not working.
Did I something wrong?
Related
How can I display the username who executed the build next to the build number? like in the image below
Try entering Started by ([\S]+) in the section "Post-build Actions ->
Set build description -> Regular expression" of your job config.
You can add user name to build description.
currentBuild.description = currentBuild.getBuildCauses().shortDescription[0]
Then you will get something like bellow
* #1 Feb 24, 2020 10:00 AM
| Started by user max
If you want use user only then
currentBuild.description = currentBuild.getBuildCauses().userId[0]
Data structure is :
[{"_class":"hudson.model.Cause$UserIdCause","shortDescription":"Started by user max","userId":"max","userName":"max"}]
See, install and enable for the job
https://plugins.jenkins.io/build-user-vars-plugin/
Then change name of build using BUILD_USER_ID variable, like
#${BUILD_NUMBER}: ${GIT_REVISION,length=8} (${GIT_BRANCH}) by ${BUILD_USER_ID}
Add Groovy Postbuild and user build vars plugin
edit job configure，check 【Set jenkins user build variables】，then you can get env variables 'BUILD_USER'
Post-build Actions, add 【Groovy Postbuild】, Groovy Script change to
manager.addShortText(manager.envVars['BUILD_USER'])
So I have a jenkins pipeline which works fine. However I added the following lines of code to the groovy script and the build fails:
def gitTemp = env.GIT_URL
def indexOfCom = gitTemp.indexOf('com',0)
def gitShort = gitTemp.substring(indexOfCom)
Instead of using substring I used:
def gitShort = gitURL1.split('com')[1]
which has worked.
This could be because the script by default runs in sandboxed mode. So in the script you are not allowed to use such functions like "substring()","indexOf()" etc. , except a few like split(). You can uncheck the sandbox checkbox below the groovy script text area and then when you run the script it will create a request to allow the script to run . You can then allow the script in the "manage jenkins" menu. Hope it helps.
After system restart where Jenkins is stored, one of the jobs is constantly failing it is trying to create bulid with number 1 but there is already 1400 past builds. Is there a way to change it so the build will be created with correct increment so in this case 1401.
Full stactrace from jenkins:
java.lang.IllegalStateException: [Directory]\builds\1 already existed; will
not overwite with [Build.Name] #1
at hudson.model.RunMap.put(RunMap.java:189)
at jenkins.model.lazy.LazyBuildMixIn.newBuild(LazyBuildMixIn.java:178)
at hudson.model.AbstractProject.newBuild(AbstractProject.java:1011)
at hudson.model.AbstractProject.createExecutable(AbstractProject.java:1210)
at hudson.model.AbstractProject.createExecutable(AbstractProject.java:144)
at hudson.model.Executor$1.call(Executor.java:328)
at hudson.model.Executor$1.call(Executor.java:310)
at hudson.model.Queue._withLock(Queue.java:1251)
at hudson.model.Queue.withLock(Queue.java:1189)
at hudson.model.Executor.run(Executor.java:310)
You can use a groovy script in $JENKINS_URL/script as follows:
item = Jenkins.instance.getItemByFullName("jobName")
item.updateNextBuildNumber(1401)
It looks like you can use the "Next Build Number" plugin to accomplish this: https://wiki.jenkins.io/display/JENKINS/Next+Build+Number+Plugin
There is a file you can edit: $JENKINS_HOME/jobs/../nextBuildNumber
$ cat /var/lib/jenkins/jobs/my-project/branches/develop/nextBuildNumber
42
You will need to reload configuration after changing it.
I'm using Jenkins 2.46.2 version. I have installed Parameterized Scheduler plugin to trigger the build periodically with different parameter.
But it fails to trigger the build at scheduled time.
You have a problem with the ";" on parameters.
you have to insert space after each parameter, for example:
H/2 * * * * % EndMarket=can ;GitBranch=DevelopmantBranch
try without spaces between params, like:
0 8 * * * % base_url=https://www.example.com;suite_type=Regression
I installed the plugin on Jenkins 2.67, and it works. I had the same problem with builds failing to trigger with earlier version of Jenkins.
in my case, my parameter is Choice Parameter, so if I set the scheduler below and 'valueabc' is not in the list of choice, it will fail to start
H/15 * * * * %name=valueabc
How can I get build time stamp of the latest build from Jenkins?
I want to insert this value in the Email subject in post build actions.
Build Timestamp Plugin will be the Best Answer to get the TIMESTAMPS in the Build process.
Follow the below Simple steps to get the "BUILD_TIMESTAMP" variable enabled.
STEP 1:
Manage Jenkins -> Plugin Manager -> Installed...
Search for "Build Timestamp Plugin".
Install with or without Restart.
STEP 2:
Manage Jenkins -> Configure System.
Search for 'Build Timestamp' section, then Enable the CHECKBOX.
Select the TIMEZONE, TIME format you want to setup with..Save the Page.
USAGE:
When Configuring the Build with ANT or MAVEN,
Please declare a Global variable as,
E.G. btime=${BUILD_TIMESTAMP}
(use this in your Properties box in ANT or MAVEN Build Section)
use 'btime' in your Code to any String Variables etc..
NOTE: This changed in Jenkins 1.597, Please see here for more info regarding the migration
You should be able to view all the global environment variables that are available during the build by navigating to https://<your-jenkins>/env-vars.html.
Replace https://<your-jenkins>/ with the URL you use to get to Jenkins webpage (for example, it could be http://localhost:8080/env-vars.html).
One of the environment variables is :
BUILD_ID
The current build id, such as "2005-08-22_23-59-59" (YYYY-MM-DD_hh-mm-ss)
If you use jenkins editable email notification, you should be able to use ${ENV, var="BUILD_ID"} in the subject line of your email.
One way this can be done is using shell script in global environment section, here, I am using UNIX timestamp but you can use any shell script syntax compatible time format:
pipeline {
agent any
environment {
def BUILDVERSION = sh(script: "echo `date +%s`", returnStdout: true).trim()
}
stages {
stage("Awesome Stage") {
steps {
echo "Current build version :: $BUILDVERSION"
}
}
}
}
Try use Build Timestamp Plugin and use BUILD_TIMESTAMP variable.
Generate environment variables from script (Unix script) :
echo "BUILD_DATE=$(date +%F-%T)"
I know its late replying to this question, but I have recently found a better solution to this problem without installing any plugin. We can create a formatted version number and can then use the variable created to display the build date/time.
Steps to create: Build Environment --> Create a formatted version number:
Environment Variable Name: BUILD_DATE
Version Number Format String: ${BUILD_DATE_FORMATTED}
thats it. Just use the variable created above in the email subject line as ${ENV, var="BUILD_DATE"} and you will get the date/time of the current build.
You can use the Jenkins object to fetch the start time directly
Jenkins.getInstance().getItemByFullName(<your_job_name>).getBuildByNumber(<your_build_number>).getTime()
also answered it here:
https://stackoverflow.com/a/63074829/1968948
BUILD_ID used to provide this information but they changed it to provide the Build Number since Jenkins 1.597. Refer this for more information.
You can achieve this using the Build Time Stamp plugin as pointed out in the other answers.
However, if you are not allowed or not willing to use a plugin, follow the below method:
def BUILD_TIMESTAMP = null
withCredentials([usernamePassword(credentialsId: 'JenkinsCredentials', passwordVariable: 'JENKINS_PASSWORD', usernameVariable: 'JENKINS_USERNAME')]) {
sh(script: "curl https://${JENKINS_USERNAME}:${JENKINS_PASSWORD}#<JENKINS_URL>/job/<JOB_NAME>/lastBuild/buildTimestamp", returnStdout: true).trim();
}
println BUILD_TIMESTAMP
This might seem a bit of overkill but manages to get the job done.
The credentials for accessing your Jenkins should be added and the id needs to be passed in the withCredentials statement, in place of 'JenkinsCredentials'. Feel free to omit that step if your Jenkins doesn't use authentication.
This answer below shows another method using "regexp feature of the Description Setter Plugin" which solved my problem as I could not install new plugins on Jenkins due to permission issues:
Use build timestamp in setting build description Jenkins
If you want add a timestamp to every request from browser to jenkins server.
You can refer to the jenkins crumb issuer mechanism, and you can hack the /scripts/hudson-behavior.js add modify here. so it will transform a timestamp to server.
/**
* Puts a hidden input field to the form so that the form submission will have the crumb value
*/
appendToForm : function(form) {
// add here. ..... you code
if(this.fieldName==null) return; // noop
var div = document.createElement("div");
div.innerHTML = "<input type=hidden name='"+this.fieldName+"' value='"+this.value+"'>";
form.appendChild(div);
}