Groovy echo variable. There is a simple way to do it, though.

Groovy echo variable Once your script ends, the bash process that ran the script is destroyed, and all its $ groovy Clean. If not, use sh with the script option as seen below: // Define a groovy local variable, myVar. Variables without the "def" in front of them are stored in a so called binding upon first use. < This section of the shell script Groovy doesn't perform variable substitution inside single-quoted (') strings. To determine the class of an object simply call: someObject. Follow edited Jun 4, 2015 at 15:31. You are required to have gone through the previous articles echo \${CURRENT_COMMAND} This is because CURRENT_COMMAND is a shell variable, not a Groovy variable, so you do not want it to be interpreted by Groovy inside In this tutorial, we’ll cover how to serialize Groovy objects to a JSON string inside Jenkins pipeline. env variable's null-ness. #!/bin/bash commit_hash=$(git rev-pa Here is Groovy statement . When we call the getClass() method on these objects it prints its respective datatype. I am completely new to Groovy and Jenkins. txt $a="some value" $b="one more value" echo $a You should change the ''' to """. the easiest way: echo what you need from shell; capture output into a groovy variable; split it by lines; just make sure your script is not printing anything else The "${foo. properties" // assuming that props file is in Jenkins Job's workspace echo "PROJECT VERSION: ${PROJECT_VERSION}" } I am trying to write a jenkins build script for my project in Groovy. Celt Celt. – RichVel. I had the problem where I configured 3 environment variables (in Jenkins -> Administer -> Configure System -> Environment variables), let's name them ENV_VAR_1, ENV_VAR_2, ENV_VAR_3. Table of Contents Getting Started with Groovy for Jenkins Pipelines; Basic Pipeline Syntax; Pipeline Structure; Using Groovy’s Features in Jenkins Pipelines In the Jenkinsfile under script section, I am using the following code to return output something like the following. MissingPropertyException: No such property: var1 for class: WorkflowScript jenkins; { always { script { curDate = readFile 'outFile. 4. Jenkins Pipeline Groovy does some different compilation and binding using the Groovy compilation and runtime APIs. The only examples I have seen are putting two variables together, or it started with a variable followed by a string. sh from a groovy interface like Jenkinsfile but keep getting compilation errors. Because it’s (obviously) a bad idea to put credentials directly into a Jenkinsfile, Jenkins Pipeline allows users to quickly and safely access pre-defined credentials in the Jenkinsfile without ever needing to know their values. Jenkins enables us to use native Groovy language scripts inside pipelines. thanks. The env. In the first line, you are trying to access the Groovy variable and interpolate its value to construct shell variable. The main advantage of using readProperties instead of loading from a Groovy file for me, was I can loop through all the fetched key-value pairs easily and even declare them as environment variables if I want. a replacement for the type name, when you do not want to give an explicit type: String x def y var z I have a problem with overwriting an existing global variable value within a definition. As noted above this won't work directly from the script console, but the rest of the time it's the appropriate way to do things. Create environment variable from parameters in Jenkins. I am actually interested in assigning the groovy array list variable 'test_id' with the shell script array variable 't_id'. asked Jun 4, 2015 at 14:39. TEST sh '. stty -icanon min 1 -echo groovysh --terminal=unix stty icanon echo. Groovy sees your original def as three separate statements. Jenkins Pipeline stores its environment variables in a map named ENV. Therefore, we Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company At the moment GIT_COMMIT is not being passed through, it is always blank, but yet if i echo it i get the value back. Read Actually this doesn't overwrite the environment variable, but defines a new global-scope Groovy variable (I think) Try to echo ${env. Here is my code: The Scriptler Groovy script doesn't seem to get all the environment variables of the build. since thebrf variable is set in the shell process and Jenkins' built-in echo doesn't have access to that variable. txt' echo "The current date is ${curDate Just binding together the answers already on this post, the withCredentials makes it so that you should be able to use the variables directly (answer by @catalin), the single quotes make it so that jenkins should stop complaining about security and if you want to be extra careful, you can double quote the variable values as suggested in the docs for withCredentials. class. Following is an example of variable declaration − Is it possible to have the output of the sh command be set to a Groovy variable? It seems to be setting it to the status of the command instead. trim() before checking if it equals False, trim will remove all white spaces at the beginning and end. (some groovy code) sh """ . getClass() as anObject. public class HoneyBadger { public int badassFactor; protected int emoFactor; private int sleepTime; } test. variables defined with def and @Field annotation can be accessed directly from methods defined in the same script. Celt. split( '\n' ). I want to understand how we can read the user input in the Groovy script. echo "SVN_BRANCH_NAME is ${env. here is a sample: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company . A variable declaration tells the compiler where and how much to create the storage for the variable. explicitly by env. I am not using Jenkins. How do I get the variable? groovy; environment-variables; Share. Therefore, you can add additional key value pairs to this map for additional environment variables. Agree that In this article, we will go through how to use variables and parameters in Jenkins and how to use groovy scripts. The problem I'm having since there are two different contexts involved: environment and Groovy, which apparently are independent from each other. Following is the way how I can at least get the output in a shell variable. You could pass the variables as individual parameters too but that gets tedious quickly. Hence you need to explicitly change the scope of global variables if you are accessing them from other functions. deleting 1 deleting 2 deleting 3 I have tried the following script but it see If you're using the Groovy Pipeline, most of the time you can just use the env "variable" (see "Global Variable Reference" in pipeline help), which exposes the unified environment as properties. The message will be displayed in the build In a shell script, you would want to use export. echo module. The main problem I had was to use pass variables to a groovy function which is a bash script. Declaring and initializing in the Groovy context works via stage(s): On a scripted pipeline with the Jenkinsfile written in Groovy, I need to call my python script from the Jenkinsfile and collect the output into a variable in the Jenkinsfile. readLine() so maybe i am missing The problem is that when you do echo "False" > scan. Question: How do I do this provided that my Jenkinsfile run on a macOS node. I will show example using shell script. I'm using split() which puts them into an Array. ACC; implicitly by ACC; The value of env. inspect. MissingPropertyException: No such property: props for class: groovy. You can refer to ACC environment variable in two ways:. Infact you can place an general java expression inside of ${}; echo "this is a string ${func(arg1, arg2)}. I can't edit the value of the groovy variable, even temporarily within the shell block. The first assigns test to a, the second two try to make "test" positive (and this is where it fails) With the new String constructor method, the Groovy parser is still in the constructor (as the brace hasn't yet closed), so it can logically join the three lines together into a single Remove the single quotes: $ testvar="actualvalue" $ echo testing "${testvar}", "testing", "testing" ; testing actualvalue, testing, testing The single-quote inhibits how to use both Groovy-defined and OS system variable in a multi-line shell script within Jenkins Groovy 0 groovy. However, in your case you you have another solution : you could also just define the shell variables you use as Groovy variables and use them as Well, if you're using a simple script (where you don't use the "def" keyword), the variables you define will be stored in the binding and you can get at them like this: groovy:000> :show variables Variables: _ = true. sh file and had difficulty at first grabbing the variable. Does anyone know if there are other class implementations in Groovy where this issue could arise? groovy; Share. Convert String to boolean only if input is "true" or "false" Hot Network Questions Are Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company This is the wrong approach. Unable to access variable in Jenkins- groovy Hot Network Questions Does it make sense to create a confidence interval referencing the Z-distribution if we know the population distribution isn't normal? In my case, I needed to add the JMETER_HOME environment variable to be available via my Ant build scripts across all projects on my Jenkins server (Linux), in a way that would not interfere with my local build environment (Windows and Mac) in the build. Set allows you to hold specific values (all unique). show all. "Declarative pipelines is a new extension of the pipeline DSL (it is basically a pipeline script with only one step, a pipeline step with arguments (called directives), these I am new to groovy. I am setting environment variable BRANCH_NAME_test in my Groovy script, which I then call in my scripted pipeline, I would like to use ENV variable set in the groovy script in the pipeline but echo "${env. Note that only the printenv-based command preserves the semantics of the OP's command: defining NAME as a command-scoped environment variable, which only the invoked command and its child processes see, but no subsequent shell commands. So, in general json is a formatted text. When your script sets an environment variable, the environment of bash is updated. Also there are feature, bugfix and hotfix branches. The script that I use is a mixture of groovy-variables and bash-variables. Commented Feb 27, 2018 at 15:54. the problem is that I want to define some variables at the top of the script and use them when I want as Environment variable. Any ideas? Yes, the env variable isn't backed by a normal map, instead it operates 100% with strings, i. In order to change the variable scope, you can use @Field annotation which changes the scope of the variable from a local to a Script class variable. Below is the code: void How is it possible to export a variable from the sh context of sh context to the groovy context of the jenkins pipline job? Pipeline Code: node { echo 'Hello World' sh 'export VERSION="v$(date)"' echo env. Learn about variable scope in Groovy. – GlennFromIowa Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company When the dynamic string is wrapped with double quotes, it evaluates to GString with variable interpolation. If your code is indented, for example in the body of the method of a class, your string will contain the whitespace of the indentation. There is a simple way to do it, though. Setting the environment variable via Manage Jenkins - Configure System - Global properties This is what I am using as a solution, I have to define vars in each stage, it looks dirty, but it works. The global variables The solution was a bit different for me: it won't recognize the system environment variable JAVA_HOME, so I had to set JAVA_HOME as User environment variable, so that i can use %JAVA_HOME% in system environment variable setting up. Inside strings you use it like this; echo "this is a string ${someVariable}";. execute(). After reading this article, Jenkins env variables won’t surprise you anymore! JSON is a format that uses human-readable text to transmit data objects consisting of attribute–value pairs and array data types. I have a Jenkinsfile with a pipeline call that become longer and longer and I would like to create function from it to have better readability. node("nodeName") {. I understand variables but have never come across system. TEXT in your pipeline script. You may notice the space between tt and = in the system output. The way it does all of that is by using a design model, a database-independent image of the schema, which can be shared in a team using GIT and compared or deployed on Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company In Jenkins 2. Write a File from Jenkins Groovy Script-Console. Opens the GUI object browser to inspect a variable or the result of the last evaluation. Without trying explain all the reasons for it (and probably not doing it justice), I can tell you that (as you have seen), the manifestFile variable is not in scope in that function. readline() print "The word was: " println str Result . Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site I just worked on this problem for days and thought I might share what I discovered. Before: /* Foobar is free software */ After: /*, Foobar, is, free, software, */ Each of these words will undergo pathname expansion, where patterns are expanded into matching files:. Execute the Pipeline, or stage, with a container built from a Dockerfile contained in the source repository. MissingPropertyException: No such property: params for class: Script1 the first echo proves that the param value actually exists. OLD_VAR}"]) { echo "New variable: ${env. To satisfy the first part, you need to use double quotes to construct a Groovy string that supports variables When you issue sh directive, a new instance of shell (most likely bash) is created. xml script. In your case you can do this and it will fix your problem: Context: in my first Jenkinsfile project, I made use of variables populated by HTTP POST content. GlobalVar}" in your example code is trying to resolve the foo against the Bar type. Or you can ise delayed expansion for that, too. ACC gets accessed (if exists of course). If you want to check if an object implements a particular interface or extends a Additionally this script must be run with system groovy. Variable Declarations. But, I am unable to see in the logs. getClass() You can abbreviate this to someObject. BRANCH_NAME} not the value. I need groovy commands to add variable value to a text file. only the call to ls sees the assigned value. Convert String Expression into boolean expression. 701 1 1 gold badge 10 10 silver badges 30 30 bronze badges. In Groovy, string inside single/triple quote won't trigger string interpolation, but string inside single/triple double quote will do that. findAll { !it. ; Explanation. If we can accept slight modification on variable references, we have even simpler options: Go to Build Environment part and check the option Inject environment variables to the build process it will open a new set of input boxes. How can I do it? Already tried to create a variable In a Groovy script, scopes can be different from a typical class itself. In most of the cases, you can use the anObject. Before: /* After: /bin, /boot, /dev, /etc, /home, See above code as GitHub Gist. environment{} can be used at the stage level for that. A groovy must be manually installed on that system and the bin dir of groovy must be added to path. Then in the groovy script, do this: How to put multiple variables in groovy switch statement? Hot Network Questions Does subsingleton choice imply LEM? stix font outputs different vertical possition of sub(sup)script nucleus in \frak How/why are {2,3,10} and {x,3,10} with x=2 ordered differently? Do computers add four 16-bit numbers in one cycle already? I am trying to use Jenkins environmental variable with groovy scripts and assign them to environment variable so I can use those variable through out each Jenkins steps. metaClass. Then it was possible to modify a parameter in a groovy script and get the modified value in a batch script after to continue work. console(). REPOSITORY_NAME}" groovy. Why? When a variable is unquoted, it will:. parsing json using JsonSlurperClassic //use JsonSlurperClassic because it produces HashMap that could be serialized by pipeline import This is not so much of a jenkins pipeline issue but more a Windows Batch programming issue. name } Output - class When you use double quotes in Groovy you indicate to the runtime your intention to create a mutable String or Groovy String (GString for short). You can think of the binding as a general storage area for variables and closures that need to be available "between" scripts. Now I want to use this value to create a new boolean parameter that contains the value of the cname parameter in the boolean parameter name. 2. I searched online how to do it and I put together this code: How do I provide arguments containing spaces to the execute method of strings in groovy? Just adding spaces like one would in a shell does not help: println 'ls "/tmp/folder with spaces"'. NEXUS_URL but calling it with two variables side by side with a slash in between somehow doesn't detect the variables and the build is failing echo print env vars in groovy [Pipeline] echo my nexus is https://mynexus. This would be done in Groovy syntax via: // syntax option one env. Binding I've tried to tell the Jenkins interpreter that ENV_VAR isn't a Jenkinsfile environment variable by escaping the dollar sign prefix like this: You can assign a line to a string variable and then do: How to echo a shell script to a file in groovy interface like Jenkinsfile. TEST Both returns 'hello world' which is what I'm expecting. My use case, I do not want to use more jenkins plugins to get aws sts assume. To get the value of a variable in Groovy, you simply need to refer to the variable by its name. @slide_o_mix. I need to put them into an Arraylist so I'm using Arrays. Declarative and Scripted pipelines. We are using a gitflow pattern with dev, release, and master branches that all are used to create artifacts. For more advanced usage with Scripted Pipeline, the example above node is a crucial first step as it allocates an executor and workspace for the Pipeline. In this Jenkins Pipeline example, we define a variable (myVariable) inside the script block and use the echo step to print its value. That is, you need to use a variable name of a variable and this is done with the indirect expansion: you use a variable with the name of the variable and then you evaluate it with the ${!var} syntax. The example context of requirement is as provided below. The syntax for interpolating strings with Groovy variables in Groovy involves ". In a batch file you can either use @echo off to get rid of the echoing of the command or you can add it @ in front of the individual commands. In on Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Hi Aditya Nair, thank you for your answer. Like this: class A { Script script; public void a() { script. 3. 8. As usual Unix processes, it inherits the environment variables of the parent. text This would give three broken arguments to the ls call. < This section of the shell script calculates the value of the variable varName, example being BUILD_NUMBER > echo "${env. For example (below is a partial extract only of a full pipeline file): Right now I am a newbie for Shell, Jenkins, Groovy pipeline. ; variables defined without def can be accessed directly by any method even from different scripts. the third echo should have emitted asdf instead I get the exception. We will be using the same project as before. groovy - HoneyBadger. 3 there are two different types of pipelines. class in most cases. How to change the value of a boolean var inside a method? 0. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company In the following declarative syntax pipeline: pipeline { agent any stages { stage( "1" ) { steps { script { orig = "/path/to/file" This guide will help you understand Groovy syntax for Jenkins, explore pipeline structures, discuss new features, and offer tips for efficient stage maintenance and shortcuts. Strange thing is i am able to access the same value on echo \${CURRENT_COMMAND} ----> Why This is not printed? done hostname EOF exit """ } } } } } OutPut [workspace@3] Running shell script + /usr I need to concatenate string and variable into a boolean variable in groovy, The case is like that: I have a loop that looking for a pattern if the pattern exists I get a variable called cname that holds a certain value. each {println it. Use double-quoted (") strings instead - this will also require escaping non-Groovy variables: def Groovy also allows for additional types of variables such as arrays, structures and classes which we will see in the subsequent chapters. BRANCH_NAME}" It would give the value of BRANCH_NAME but if I pass it as param to my batch file, it literally pass ${env. – macg33zr. Here variable env is my input and based on that I should get correct userid. Through this, I came to associate a value's absence with the corresponding . – Now, in post stage I try to send slack notification (replaced with echo below for simplicity): If you put the variables in a global groovy map and pass the map object into your method it will work. GMavenPlus Maven Plugin I need to know which branch is being built in my Jenkins multibranch pipeline in order for it to run steps correctly. The message will be displayed in the build console. My requirement is I am reading file text into a variable under shell script and I need to pass this variable value out of shell script and to use in Groovy script. Additionally, the best way of testing if a string contains is to use Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. e. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog When i am passing value of a variable declared in jenkins Groovy script its value is not retained in "for" loop which runs on a remote server. If building a Dockerfile in another directory, use the [Pipeline] echo "asfd" [Pipeline] echo "${params. Any value stored as the environment variable in the env variable is of string type. Here's what I did: In your bash file, save the value in a variable. But I cannot take out Groov When using def keyword in Groovy, the actual type holder is Object so you can assign any object to variables defined with def, and return any kind of object if a method is declared returning def. However it seems that it needs to Alternatively, there is one trick you might want to use. Please key in a word: Tom The word was : Tom Where on earth did they assign or set str = "Tom". These branches should be built, but not produce an artifact. List lines = module. lang. I want to pass the svnSourcePath and svnDestPath to shell script in the svn copy command. The first context is the actual groovy code that holds all parameters that where defined by the code, it could be input parameters, global parameters or any parameter that was What you can do is to propagate the script environment into your class methods using a variable and call echo through the variable (found solution in this thread). ENV1} int the Build stage and you'll see that it still has the original value! – Kutzi. show preferences. echo("Hello") } } def a = new A(script:this) echo "Calling A. Now I want to Groovy - Define variable where the variable name is passed by another variable. In a Jenkins pipeline, I want to provide an option to the user to give an interactive input at run time. In groovy json object is just a sequence of maps/arrays. If you want to use a file (since a script is the thing generating the value you need), you could use readFile as seen below. 138. com any my repo name is myrepo [Pipeline] sh [test] Running shell script + echo 'env vars The amazing explanation when mixing shell and groovy variables in Jenkins. . variables defined with def in the main script body cannot be accessed from other methods. So what you need to do is use String. How to pass a boolean to a method with a variable name. a() outputs: dockerfile. List allows you to hold specific values (unique or non-unique). a()" a. BUILD_ID}" # This prints expected output. You have to remove the " from the variable and use them on the whole command to recognize variables. enter your code in Groovy script; Here am just trying to update the Version and Full version to include the passing parameter say TestParam. You want to capture the output of a command, Groovy has a different kind of scoping at the script level. portion is just useful inside of the groovy part of the pipeline. properties. A simple example piece of a jenkinsfile: my_var = 0 def my_def() { my_var = 1 } node { stage 'test' my_def() echo my_var } The output of echo is 0 and I'd like it to be 1. This way, the initial value SUPER_VAR will only be evaluated once, and subsequently we can use sub-elements of these vars. 2,548 2 2 gold badges 27 However, variables defined using the keyword "def" are treated as local variables, that is, local to this one script. But, the string interpolation as provided in the link works for accessing the groovy variable in the shell script. don't put def in front of it). show imports. I have a set of static environmental variables in the environmental directive section of a declarative pipeline. Setting of the env variable in groovy script: environment { def BRANCH_NAME_test = "branch" } Pipeline: Note that the reason set tt works to display the value of the variable is that set var displays all variables beginning with var. In order to make the environment variables that you have defined in your Jenkinsfile available in your shared library code you have to pass a this parameter on the call to your shared library method. I had to access a variable in a groovy file from a . all values which are assigned to keys in the env variable are converted to strings (using toString() i guess). groovy uploading file cleaning up By not calling performCleanup() after, it doesn't happen: uploadFile 'file' Output: Groovy: variables in method names with '??' double question marks. RESULT instead of result), or b) you would need to define result variable outside the pipeline block. MissingPropertyException: No such property: ENV_VAR for class: groovy. DbSchema is a super-flexible database designer, which can take you from designing the DB with your team all the way to safely deploying the schema. TEST+'" I extend my groovy script: sh 'echo "'+params. Since there is no foo reference it cannot be resolved and you will probably get something like a MissingPropertyException. Just don't declare the manifestFile (i. This saved my day. see the command output while executing above stage in pipeline : Running on windows in C:\Jenkins\workspace\CI_Pipeline [Pipeline] { [Pipeline] script [Pipeline] { [Pipeline] echo Billing [Pipeline] echo "Projects/Billing I'm required to read values from a file in my pipeline. Everything in env is exported as an actual environment variable in the shell script. purge. – Another common use for environment variables is to set or override "dummy" credentials in build or test scripts. show classes. This is what I have in groovy: sh 'echo "'+params. See the Jenkinsfile : def utils def setupEnvironment The set <variableName> command shows variables without interpreting the content. In essence, without node, a Pipeline cannot do any work!From within node, the first order of business will be to checkout the source code for this project. txt echo will leave a line break at the end of the file, you can se this if you echo env. In your case, use: Is there a way to access stage local variable in jenkins global pipeline, I'm trying to use the var1 value from Example stage in post always block. I want the values to change based on an arbitrary condition. ACC cannot be changed once set inside environment {} block, but ACC behaves in the following way: when the variable ACC is not set then the value of env. In the above program, we can see that the names is an ArrayList and blogname is a String object. startsWith( ',' ) } def buildid. How do I list all the variables of an instance or all the static variables of a class? Edit1: Edit2: HoneyBadger. Hot Network Questions Momentum measurement and uncertainity principle Comic book where Spider-Man defeats a Sentinel, only to discover hundreds or thousands more attacking the city What does "in any reasonable manner I have set up the env variable env. NEW_VAR}" } } I'm trying to use environment variables defined outside any node in a Jenkinsfile. Commented Jun 13, 2018 at 5:18. [miles-objects] Running batch script [Pipeline] echo xyz is set [Pipeline] bat [miles-objects] Running batch script c:\jenkins\workspace\miles-objects>echo xyz is the value xyz is the value [Pipeline] bat [miles Boolean method in groovy always returns true. VERSION } In this quick tutorial, we’re going to explore different ways to find the data type in Groovy. sh' In this Jenkins Pipeline example, we define a variable (myVariable) inside the script block and use the echo step to print its value. I would recommend the first option. Michael S. Binding Different alternative you load it from properties file instead of Groovy: props = readProperties(file: FilePath) and then read all the values from props. rm -rf myfile. When groovy The problem is, the method deployToOpenShift has in the openshiftNamespaceGroupToken variable, a value that is the name of variable that has been set in Jenkins. Also, the value of the variable includes the initial space. String str print "Please key in a word: " str = System. Resuming, I had to: add a user environment variable: %JAVA_HOME% as: "C:\Program Files\Java\jdk1. 1. Access a Groovy tim_yates is right, you want to remember here that Groovy variables and shell variables both use the same "$" prefix, therefore you need to escape your shell variables so they do not get interpreted as Groovy variables. def I have a set of static environmental variables in the environmental directive section of a declarative pipeline. The dev branch auto deploys, the other two do not. groovy: is there a way to get variable name. In Jenkins/Groovy, why is the redirection in echo > file not printed in the console output? 0. Undergo field splitting where the value is split into multiple words on whitespace (by default):. The other commands do something very different: they define NAME as an until-the-current-shell-exits shell-only Am new to groovy and am trying to get value of variable manipulated inside bash side inside groovy function. Here are 3 definitions using def and the equivalent with Object as the TL;DR. jar. Here is an example: node { withEnv(["NEW_VAR=${env. We can not continue" I have to access an environment variable from my Groovy script. echo GIT_COMMIT --long 12345678910 Can anyone advise on how i achieve what i require please. Map allows you to have Key, Value pairs (Key must be unique) . Provide details and share your research! But avoid . I want it to echo WEATHERMAP_test1_STATE_test2_CITY_test3 Instead I get WEATHERMAP__STATE__CITY_ I know this has something to do with the underscore, unfortunately, I need the underscore. WORKSPACE def buildUrl = env. I would like to know if this is the right way to echo the values. { echo BRANCH_TEST } Jenkins console output: [Pipeline] [Pipeline] echo null [Pipeline] } [Pipeline] // node [Pipeline] End of Pipeline Finished: SUCCESS How do I create and access the global variables in Groovy? Share. Creating Groovy Object in Jenkins. BRANCH_NAME_test}" returns null. If I do want to do that, I can assign the groovy variable to a shell variable, manipulate the shell variable value, save the modified value in a file and when the shell block ends, read the file into the original groovy variable. Since the Jenkinsfile is being pulled directly from source control, Pipeline From Groovy documentation: Variables can be defined using either their type (like String) or by using the keyword def (or var) followed by a variable name, def and var act as a type placeholder, i. If your ENV_SECRET is an environment variable bound from a withCredentials block, then you want to interpolate it within the shell interpreter. TEST+'"' echo params. sh: #!/bin/bash echo "'+params. def BranchToPort does exactly what I want it to do, the problem I have is plugging the value it returns into the following call to bat, I've tried all sorts of things and this either results in language compile errors with the groovy script or the bat command ending immediately after the If you want to initialize an environment variable with the value of another environment variable in a Jenkinsfile, you can use the env object to reference the existing variable. It's a bad practice. I managed to solve this using the triple-double-quotes """ and escaping every bash-variable \$. groovy. In the Jenkins pipeline, we can use command substitution to capture the output of a shell command into a variable: agent any. = "${pipelineParameter}" //declare the parameter in groovy and use it in shellscript sh ''' echo '''+pipelineValue+' abcd'''' ''' } }} The above prints 4 abcd Access a Groovy variable from within shell step in Jenkins groovy. I can't ever keep it all sorted in my head. Improve this question. You have two options here. I need to output the result of this shell script "git diff --name-only commit2 commit1" to an array in groovy. asList(). node('master') { // PULL IN ENVIRONMENT VARIABLES // Jenkins makes these variables available for each job it runs def buildNumber = env. The Groovy Development Kit contains methods for stripping out the indentation with the String#stripIndent() method, and with the String#stripMargin() method that takes a delimiter character to identify the text to remove from the beginning of a string. Actually, it’s different depending on what we’re doing: First, we’ll look at what to do for primitives; Then, we’ll see how collections However if you need to access environment variable where name is given by another variable (dynamic access), just use env["your-env-variable"]. 0. How to use shell script variable as groovy variable in Jenkins pipeline script. Additionally in the lib folder I had to add jenkins-core. But if anObject is Map it will try to retrieve the value with key ‘class’. You may use variable interpolation with mutable Strings, or you can leave it as a regular plain Java String. The content is A shell assignment is a single word, with no space after the equal sign. key = value // syntax option two env['key'] = value For your example, this would look like: I have the below shell script that i need to echo to a file lets say script. However, if you use this on a Map it will try to retrieve the value with key 'class'. It works with: environment { workspaceDir=${WORKSPACE} } but that's an environment variable then, not a variable in the Groovy context. /test. java. By using these techniques, you can easily incorporate variable printing into your Jenkins Groovy scripts and Pipelines for better visibility and debugging during your CI/CD processes. SCM-specific variables such as GIT_COMMIT are not automatically defined as environment variables; rather you can use the return value of the checkout step. In order to use this option, the Jenkinsfile must be loaded from either a Multibranch Pipeline or a Pipeline from SCM. I have some pre defined variable in Groovy Script (of Jenkins pipeline) and need to pick any one variable from them dynamically based on job/user input. It needs to be dynamic and the problem is that Jenkins don't resolve the Jenkins variable value, just the one passed as String, I mean, the result is:- If you want to use it outside of it, there are two options: a) you can assign the value to the env variable (env. – Santosh Kumar Arjunan. Example : 51 Then, on your pipeline code, you've to add the following code in order to be able to read the file and inject read variables as environment variables: node { load "${WORKSPACE}\\project. For example echo last%tt % would output last name, which could be what is desired. setlocal EnableDelayedExpansion echo !path! but in your case, the expansion in echo %path% will not expand any further percent parts in the content of PATH (you get only problems with other characters like &|<>). What i am trying to achieve here is to access the groovy variable myvar inside a multiline batch script however it doesn't work. For example, if you have a variable named "myVariable", you can access its value I have a groovy script as my Jenkins pipeline script, which looks something like. Your bash instance is then running your script. the second echo is the what the input actually looks like. But what you can do is force them in as parameters to the script: When you add the Scriptler build step into your job, select the option "Define script Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Try to look at it as follows: when you execute a job that uses interpreters such as the sh, bat and powershell, there are two separate contexts that hold parameters for the execution. BUILD_NUMBER def workspace = env. Now, I'm working with variables coming from parameterized build values, and when a value is not populated, the corresponding . BUILD_URL // PRINT ENVIRONMENT TO JOB echo "workspace directory is ${workspace}" echo "build URL is ${env. In the second line, you expect to access this shell variable. env variable isn't null -- it's an empty string. I want to use the actual value of variable appName1 in bat of groovy section but variable value in not getting replace . Now I want to use the variable in an external bash script test. Jenkins already has a list of pre-defined environment variables that you can use in your pipeline. Normally you would use List, Map or Set data structures, which allow you to save a collection and access specific elements in the collection. Follow asked Aug 19, 2019 at 13:42. Am having a groovy script which has multiple functions to perform some activity. This means, we have all the flexibility of variable references, without complexity of Groovy Templates. def keyword is used for untyped variables whose type is defined dynamically at runtime. Because of this, I always use getClass() even though it's a little longer. echo "Branch name is ${GIT_BRANCH}. Conventionally this is the Dockerfile in the root of the source repository: agent { dockerfile true }. Asking for help, clarification, or responding to other answers. 0_25"; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Have you run into troubles when you started using Jenkins Environment Variables in your Jenkinsfile?In this blog post, I show you how to use environment variables, how to override them, how to work with boolean values, and how to store a result of sh step in the env variable. These values are available to every stage in the pipeline. BUILD_URL}" } Yes, you can do this. I am trying to print the vales in the function. So what you wrote assigns an empty value to thefile; furthermore, since the assignment is grouped with a command, it makes thefile an environment variable and the assignment is local to that particular command, i. You mix two types of variables in your sh step. . Jenkins environment variable is a global variable, exposed via env variable and used in Jenkins pipelines and anywhere in your Jenkinsfile file /Pipeline. Follow edited I just started learning groovy. Improve this answer. Commented Oct 6, 2018 at 8:54. Example input: node { stage "Current Date" def curDate = sh "date" echo "The current date is ${curDate}" } Results in the following output: Entering stage Current Date Proceeding [Pipeline] sh Refering to the String Interpolation you are writing the variable as string to the console. jswazm ltknm mhyjs myr bcxtv zuakw pyfl ejf spzmq yiw