Passing variable from shell script to jenkins. However I would be interested in solutions for any kind of job. In my current case a ‘job’ would ideally be an ansiblePlaybook but could alternatively be a linux shell script. U To learn more about defining build variables in a script, see Define and modify your build variables in a script. node { stage ('Invoke Installation') { def stdoutpowershell def serverName = env. I even tried to predefine the variable from an environment se Using the Pipeline plugin in Jenkins 2. PowerShell can be used to perform common system administration tasks in Windows, macOS, and Linux environments. How can I create a variable in PowerShell that is Jenkins's current build number? As of the moment I am calling the Script. (some groovy code) sh “”" … < This section of the shell script calculates the value of the variable varNa… Learn how to run parameterized PowerShell scripts in Jenkins, streamline workflows, and avoid common challenges for better automation and productivity. x, how can I access a Groovy variable that is defined somewhere at stage- or node-level from within a sh step? Simple example: node { stage ('Test Stage' I tried quite a few things (single quotes, double quotes, groovy style string interpolation, passing as environment variable etc) except probably writing a simple shell script and invoking the command line inside it with params passed to the script which would probably be the closest to what happens when invoked directly from command line, but 141 How do I pass variables between stages in a declarative pipeline? In a scripted pipeline, I gather the procedure is to write to a temporary file, then read the file into a variable. x, how can I access a Groovy variable that is defined somewhere at stage- or node-level from within a sh step? Simple example: node { stage ('Test Stage' You can either use a ‘script‘ to ‘def‘ine a variable only valid within that blick, or (as in my example) define a global environment variable in the ‘environment‘ block. How do I do this in a declarative pipeline? E. I tried quite a few things (single quotes, double quotes, groovy style string interpolation, passing as environment variable etc) except probably writing a simple shell script and invoking the command line inside it with params passed to the script which would probably be the closest to what happens when invoked directly from command line, but I want to use a variable which I am using inside of my Jenkinsfile script, and then pass its value into a shell script execution (either as an environment variable or command line parameter). Refer to the documentation of the specific plugins for environment variable names and descriptions for those plugins. def VAR_A = 'test' def mystatus = powershell (returnStatus: true, script: ''' Write-H The Plugin is great when but it cannot pass the variable values set in the execute shell command sections. I want to pass variable value from one build step that is from 'execute shell' to 'send files or execute commands over SSH" my script in Execute shell * is: if [ "$var" == "1"]; then I want to pass a variable which I read in stage A towards stage B somehow. Environment variables may also be set by Jenkins plugins. But Using the Pipeline plugin in Jenkins 2. Questions: Does anyone know how to pass variables between the following builds steps, (execute system groovy script -> execute shell) With system groovy I’m able to fetch the latest release branch created (by getting the build name in job1) but i can’t figure out how to pass the shell step. The script starts an EC2 instance and sets an host variable containing the host name of the new instance. Learn about the different ways to set and use environment variables in Jenkins. Requirement : Open a text file read the lines using shell and store the value in groovy and get the parameter for each line . Here are examples of different variable types commonly used in scripted pipelines: In a 馃殌 Day 21 – Shell Scripting Cheat Sheet Today I created my personal Shell Scripting reference guide. May 7, 2015 路 Thanks. Built-in Jenkins variables retain fine both locally and on the remote host. Hi I have a groovy script as my Jenkins pipeline script, which looks something like node (“nodeName”) { . The end-to-end scripted pipeline script is written in Groovy. This pipeline has several fields, In the stages section Within the script block, It invokes the updateWebACLConfig library passing multiple arguments including WEB_ACL_NAME, WEB_ACL_DESCRIPTION, and custom variables such as CUSTOM_RESPONSE_CODE and CUSTOM_RESPONSE_BODY_KEY. By ‘secure’ I mean that whatever is passed should not be exposed or extractable in any way (okay lets limit that to ‘to In bash script, this result can be achieved as follows: #!/bin/bash variable_1="abc" variable_2=variable_1 echo "$ {!variable_2}" Exclamation mark (!) doesn't work in shell script inside Jenkins pipeline Can someone please explain, how to address my requirement ? Thank you Jason Watch Like Be the first to like this How do I pass my variable VAR_A to an embedded powershell script in a jenkins pipeline ? e. : The Jenkins controller is the original node in the Jenkins installation. It is possible to pass other arguments to docker build by adding them to the second argument of the build() method. A common task in these pipelines is passing variables to bash scripts—for example, environment settings, build parameters, or dynamic values generated during pipeline execution. sh which looks like: #!/bin/bash export ARCH=$1 echo "architecture = " ${ARCH} In the Jenkins pipel In the process of constructing Jenkins pipelines using the declarative approach, it’s often necessary to execute shell scripts to… Learn how to run parameterized PowerShell scripts in Jenkins, streamline workflows, and avoid common challenges for better automation and productivity. I found that wrapping the commands in a pair of Wrapping Up In this tutorial, you used withEnv to pass environment variables to shells inside Jenkins jobs. I have a Jenkins pipeline job in which I configure my environment with a bash script named setup. I see in some examples that people write it to a file, but I guess that is not really a nice solution. Then, to use your variables, use this syntax: ${VARIABLE_NAME} For example, you might want to use environment variables with the echo step, or the sh step, to pass an environment variable as an argument to a command, e. When i am passing value of a variable declared in jenkins Groovy script its value is not retained in "for" loop which runs on a remote server. You should also pass the value as a string and escape it for your argument something like this: I have a declarative pipeline script for my multibranch project in which I would like to read a text file and store the result as a string variable to be accessed by a later step in the pipeline. properties. Jenkinsfile starts with the word node. g. Below is my jenkins pipeline job: def MY_VAR def BUILD_NUMBER pipeline { agent any stag Environment variables may also be set by Jenkins plugins. It is unfortunate that Jenkins doesn't support this functionality by default. How can I get Jenkins to evaluate a shell command and assign the output to an environment variable? Eventually, I want to be able to assign the executor of a job to an environment variable that can be passed into or used by other scripts. . It can also be used as a general purpose scripting language. The Jenkins controller administers the Jenkins agents and orchestrates their work, including scheduling jobs on agents and monitoring agents. How to read the shell variable in groovy / how to assign shell return value to groovy variable. Now, the contents of export_props. Enhance your CI/CD pipelines. $ docker run --name test -d nginx:alpine 4bed76d3ad428b889c56c1ecc2bf2ed95cb08256db22dc5ef5863e1d03252a19 $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS I am trying to create a Jenkins pipeline where I need to execute multiple shell commands and use the result of one command in the next command or so. If you have a non-exported script variable that contains a secret, exporting it will expose it to all future child processes (unless unexported, for example using export -n). Hi, I am looking for a way to securely pass parameters to jobs spawned from a pipeline. 5 Issue: In passing a variable declared within Jenkinsfile to a sh command that ssh's and executes on a remote host, the variable contents are not retained on the remote host. #redhat9 #redhat #redhatlinux #rh124 #rhcsa #echo #echocommand #shell #bash #scripting #shellbasics #execute #variables #shellvariables #loop #loops #forloops #forloop #whileloop #arguments # PowerShell is Microsoft’s open source and cross platform command line shell, as well as an automation and configuration tool/framework which has a broad user base. While I think that part of the answer is to create a global environment variable, set it in the first stage, and read it in the second stage, it doesn't provide an elegant way to pass it from the python script at the stage level. Finally we set some value into one variable/parameter. Now SHOP_CONFIGMAP_DEV is a credential in Jenkins which is of type secret file. I would then need 15 echo commands to output to the Dec 31, 2025 路 Jenkins Pipeline is a powerful tool for automating CI/CD workflows, enabling developers to define complex pipelines as code. To give a specific example, I would like to open FBL5N, pass an invoice into a field and view However the echo "ConfigFile Name: ${configFile}" which lives outside the shell seems to output the value as expected which is “SHOP_CONFIGMAP_DEV”. It requires knowledge of Groovy programming as a prerequisite. I'm trying to dynamically define a variable I use later in a some shell commands of my Jenkins pipeline and it's throwing an exception. You can either use a ‘script‘ to ‘def‘ine a variable only valid within that blick, or (as in my example) define a global environment variable in the ‘environment‘ block. In the process of constructing Jenkins pipelines using the declarative approach, it’s often necessary to execute shell scripts to… Learn how to effectively extract variables from shell bash-scripts in your Jenkins pipeline and pass them to Groovy methods, ensuring seamless execution. I have a Jenkins Job that invokes another file which is Jenkins Library. Whether you're configuring global variables, job-specific variables, or the using plugins, leveraging environment variables increases the flexibility and maintainability of your automation workflows. How to use shell script variable as groovy variable in Jenkins pipeline script Asked 5 years, 7 months ago Modified 5 years, 7 months ago Viewed 16k times Configure a pipeline in Jenkins Linux controller to run a Powershell script using the powershell (pwsh) package for Linux How to add shell script to jenkins freestyle job Ask Question Asked 6 years, 2 months ago Modified 6 years, 2 months ago I have a bash script that I execute from a Jenkins job, using "execute shell". properties is injected into the job itself, and will be injected into shell steps as environment variables. When passing arguments this way, the last value in the string must be the path to the docker file, and should end with the folder to use as the build context. Covered: Variables & arguments Conditionals & loops Functions grep, awk, sed Real-world one What is Jenkins Scripted Pipeline? Jenkins pipelines are traditionally written as scripted pipelines. However, many users encounter a frustrating issue: variables that appear empty when the Dec 9, 2025 路 How to Pass Variables Between Stages in a Declarative Jenkins Pipeline: Step-by-Step Guide with Shell Actions to Trigger Jobs Jenkins pipelines have revolutionized how teams automate CI/CD workflows, offering scalability, reusability, and visibility. I would like to create an "input field" in SAP that uses the passed value within a vb script. Here are examples of different variable types commonly used in scripted pipelines: In a In the step after the shell step, create an “Inject environment variables” step that reads from export_props. In a scripted Jenkins pipeline, you can use different types of variables depending on your requirements. You will need to customize the script to use the actual room, server, and authentication details. Instead, it sets AOEU='$(echo aoeu)'. Another common use for environment variables is to set or override "dummy" credentials in build or test scripts. You started with a job that echoed the variable to the console. Mar 21, 2024 路 However the echo "ConfigFile Name: ${configFile}" which lives outside the shell seems to output the value as expected which is “SHOP_CONFIGMAP_DEV”. Strange thing is i am able to access the same value on remote server outside the for loop. ps1 in the execute shell section of configuration. ---T The Environment Variables section in Jenkins doesn't do that. stage "notify" // // Modify the channel, message etc as needed. I want to send few parameters to one of my shell scripts written in linux server from a jenkins job. When writing an advanced shell script, knowing what's included on the Jenkins environment variables list can be incredibly helpful. How to pass variable between jenkins pipeline from shell script conditional result Asked 3 years, 7 months ago Modified 3 years, 7 months ago Viewed 760 times Conclusion Setting environment variables in Jenkins presents a powerful mechanism for customizing and parameterizing your builds. Is there a way to use groovy variables inside a powershell script? My sample script is as following. Export the shell variable so that the variable will be present in the child process that will execute your groovy script. . Ideally, the scripted pipeline is stored in Jenkins webUI as a Jenkins file. Aug 19, 2025 路 Mastering Remote Server Shell Script Execution with Jenkins Pipeline and Environment Parameters This comprehensive guide addresses the common challenges encountered when executing remote server shell scripts within a Jenkins scripted pipeline, specifically focusing on passing environment parameters. Background The IRC protocol is simple enough that you can use a pipeline shell step and nc to send a message to an irc room. Here, we look at how to create shell scripts that inject Jenkins environment variables into the build process. fqdn If the variabel come from Jenkins pipeline script, you need double quote (“) to get evaluate, single quote (‘) won’t. Agents may be connected to the Jenkins controller using either local or cloud computers. From there, you passed them to shell scripts and finally used withEnv to pass a build parameter to a shell. Consider, we have shell command in jenkins job and doing some opertaions. What I was trying to find is a better way to automatically output all variables set within a shell script to the properties file in a single command. Learn to parameterize Jenkins builds, execute shell scripts in build steps, pass parameters to scripts, and handle build failures with conditional logic. The variable I've defined works fine locally but doesn't translate on the remote host. I tried writing it Make sure you're trying to accomplish this with one "Execute shell" in Jenkins or from a script. I want to trigger a build of a different job, based on a variable created by a shell action. // Some IRC servers require authentication. Oct 18, 2018 路 I am trying to take output from a python script and pass it to a stage. To learn more about defining release variables in a script, see Define and modify your release variables in a script. One of my job needs to create about 15 variables based on directories, filenames, timestamps, etc. qtpzz, dtdwp, itlbv, wyrx, q46ani, 2uej9, g2j2r, r1e5b, ixwkgi, vjesz,