read yaml file in groovy jenkins

YamlConverter.convertJsonToYaml(jsonReaderVar); Thanks for contributing an answer to Stack Overflow! Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, As of now, I am able to read the file contents and store them in an array with- def words = [] new File( '/root/zones.yml' ).eachLine { line -> words << line } words.each { println it }, Want to parse contents of yaml file in groovy, https://bitbucket.org/asomov/snakeyaml/wiki/Documentation#markdown-header-loading-yaml, How terrifying is giving a conference talk? Thanks for reply but it doesnt work, Below is the outcome of it: Merge two based yaml with indentation in groovy, How terrifying is giving a conference talk? Pipeline Utility Steps - Jenkins Read Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, Read YAML components from variable in groovy, How terrifying is giving a conference talk? 0. Here's one of the example on the code to convert, JsonOutput.prettyPrint(JsonOutput.toJson(variable1)). Do symbolic integration of function including \[ScriptCapitalL]. I am new to Jenkins and keep exploring different plugins, articles everyday to learn something new about Jenkins. It says: Jenkins and GitHub Actions both allow you to create workflows that Rivers of London short about Magical Signature. The result of parsing the YAML content is a Map object. Connect and share knowledge within a single location that is structured and easy to search. def readContent = readFile 'build.sbt' writeFile file: 'build.sbt', text: readContent+"\r\nversion := 1.0.$ {env.BUILD_ID}" env.BUILD_ID is a groovy variable, not a shell variable. Suppose the yaml file is like this #test.yaml 0.6.5.1.0: module: - mysql - zk 0.7.1.0.0: module: - java Now I want to get the module list of specified version, and the version is a variable, I try to write the jenkins pipeline like this: yamlFile = readYaml file: test.yaml version = '0.7.1.0.0' moduleList = yamlFile.get("${version}").get(module) But i'm expecting to generate a yaml, based on a template and only editing some specific parts of the template. For more information, please see our Historical installed base figures for early lines of personal computer? I have a code like below. Asked. yaml ['services'].collect { it ['name'] } so in order to get a name of a certain service you need to do something like this: What happens if a professor has funding for a PhD student but the PhD student does not come? Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned. How to fetch variables from yaml and map them in jenkinsfile? How should a time traveler be careful if they decide to stay and make a family in the past? groovy How "wide" are absorption and emission lines? You can explicitly declare the variable "globally" (not truly global, terms of Groovy, as I understand it) by declaring it outside of the pipeline. jenkins Or with pipeline, if you don't declare a variable in a script, but just use it, it gets created as a "global" variable. I can't afford an editor because my book is too long! rev2023.7.14.43533. jenkins In this tutorial I am going to show you how to read YAML/YML config file in JenkinsFile. 0. Thanks for contributing an answer to Stack Overflow! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 3 Jenkins Pipeline read from yaml. Jenkins has two types of syntax To learn more, see our tips on writing great answers. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. There are 2 ways to solve this. Why is that so many apps today require MacBook with a M1 chip? The step returns an array of file info objects who's properties you can see in the below example. How to get the line number of yml file in jenkins pipeline. WebThe JenkinsFIle is used for Jenkins pipeline which is used to perform many steps such as, building, testing, deploying a job through Jenkins. I am trying to load an existing YAML file (which uses snakeYaml library) in my Groovy project. Does air in the atmosphere get friction due to the planet's rotation? And println returns null, so change the code to: def tape = file. jenkins However, that would involve extra unnecessary steps, so you should probably approach this differently. You can use any one of the following blocks to read your yml config file: To read yaml or yml file inside any one of the above blocks, use the following line of code: For example, the following code reads a yml file: Now the configVal variable will have the values from the manifest.yml file. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Why Extend Volume is Grayed Out in Server 2016? yaml rev2023.7.14.43533. Jenkins Groovy I am trying to parse YAML files in Jenkins pipeline using the readYaml method from the Jenkins plugin "Pipeline Utility Steps". I am using Jenkins readYaml to read the data as follows: data = readYaml file: "test.yml" //modify data.info = "b". read Jenkins What is Catholic Church position regarding alcohol? Connect and share knowledge within a single location that is structured and easy to search. The shorter the message, the larger the prize, Distances of Fermat point from vertices of a triangle. yaml file I want to read the yam file with groovy and parse its contents and add that in parameters block of jenkinsflie. groovy - jenkins pipeline readYaml how to use variable to specify By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Is it legal to not accept cash as a brick and mortar establishment in France? So in your case: pipeline { agent any stages { stage ("foo") { steps { script { env.FILENAME = readFile 'output.txt' } echo "$ {env.FILENAME}" } } } } Share. Is this subpanel installation up to code? Asked. 1. The result of parsing the YAML content is a Map object. Getting YAML value from a variable Groovy. For references, this is how you would do it in Java. 7. Jenkins uses stages to run a collection of steps, while GitHub Actions uses jobs to group one or more steps or individual commands. You could use a template rendering engine to render the yaml, and that would interpolate the variables from your pipeline before reading in. rev2023.7.14.43533. What is the coil for in these cheap tweeters? yaml - Use Object Returned by readYaml from file in Read YAML File Thanks for contributing an answer to Stack Overflow! jenkins This is in jenkins DSL Pipeline with Shared Library. WebFind files in the current working directory. Now you can use the variable APP_NAME inside the sh section. I have a yaml file on a Jenkins pipeline (scripted in Groovy) and I want to convert that yaml file to JSON format to be parsed in that format. Jenkins Groovy - using modified data from readYaml to write back In the next example we have a sample YAML as string that we parse using the parseText method of YamlSlurper: We can also use Reader with the parse method of YamlSlurlper: Why did the subject of conversation between Gingerbread Man and Lord Farquaad suddenly change? 2. The groovy yaml library got only Builder and Slurper (and other two). I'm trying to use the same pipeline file on script2 but can't make it work. Why does this journey to the moon take so long? Are Tucker's Kobolds scarier under 5e rules than in previous editions? WebAdding content to yaml after reading yaml file with readYaml example def datas = readYaml text: """ something: 'my datas' size: 3 isEmpty: false """ now I want to add datas.dataType = Jenkins Pipeline read from yaml. What peer-reviewed evidence supports Procatalepsis? WebGroovy script for creating Jenkins job from .yaml file - create-jobs.groovy However there is one key (chart-name) which has "-" (not "_", I know this is not preferred but its there). When a customer buys a product with a credit card, does the seller receive the money in installments or completely in one transaction? yaml - how to read ansible yml config file in groovy - Stack Overflow Use batch-file syntax consistently, notably SET to define variables, and %% to reference them.. Jenkins Pipeline as YAML: experimental plugin Why was there a second saw blade in the first grail challenge? Pipeline As YAML If you are trying to read a file from the workspace during a pipeline build step, there's a method for that: readFile('name-of-file.groovy') For reference, see Share. Asking for help, clarification, or responding to other answers. In the following Jenkinsfile we have two stages. The JsonOutput.java is about 300 lines. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. jenkins I think you could possibly simplify this by just having the files reside in one directory. WebDetails. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Connect and share knowledge within a single location that is structured and easy to search. Ask Question. Read yaml YamlSlurper. Groovy Try reading the 2nd file first and see if the issue happens if it doesn't then your 2nd yaml file is written wrong maybe a comma or extra space ? jenkins pipeline readYaml how to use variable to specify key, How terrifying is giving a conference talk? Or the main output of file or variable, create a class to convert json to yaml output? Ask Question. You could pass the contents as a string to the k8s node, or you could write it to a filesystem that the k8s pod can mount Can't update or install app with new Google Account, MSE of a regression obtianed from Least Squares. And then to read your map just use. You can't simply import readYaml () or writeYaml (), because they are not methods or functions, but Jenkins Pipeline workflow steps. Making statements based on opinion; back them up with references or personal experience. In fact, they very likely are. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 1 Answer. CI/CD Collective. In most case in jenkins yaml is not used all command are written in grove, on the fly you can create some snippets using jenkins pipeline syntax generator in order to Thanks for contributing an answer to Stack Overflow! Connect and share knowledge within a single location that is structured and easy to search. As a part of our Jenkins solutions, we use Groovy in our pipelines. And who? What does a potential PhD Supervisor / Professor expect when they ask you to read a certain paper? The shorter the message, the larger the prize, Distances of Fermat point from vertices of a triangle, A conditional block with unconditional intermediate code. How and when did the plasma get replaced with water? Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned. Jenkins groovy - How to parse YAML files in Jenkins pipeline using What should I do? WebI was wondering what is the best approach to reading in the yaml config and setting environment variables. Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned. The configVal variable holds the value from the manifest.yml file in the following manner: If you want to see the value of the configVal then you can echo its value in the JenkinsFile. Passport "Issued in" vs. "Issuing Country" & "Issuing Authority". if you ever get stucked into situation like mine where it does not work this way then check the type of the variable and convert it to string so that the get function can take it so my solution was to convert envid = var.toString() which resolved my problem. FWIW, the upcoming (as time of this writing) Groovy version 3.0 has direct support for yaml: http://docs.groovy-lang.org/next/html/api/groovy/yaml/package-summary.html with the traditional YamlSlurper / YamlBuilder combo You could always switch to this not-yet-officially-released version. You might have seen how to create PCF app manifest file, here I am going to use the similar manifest.yml file which can be read into JenkinsFile. Web1 Answer. Asked. Jenkins Groovy - using modified data from readYaml to write back into yml file. Then we execute ls as an external program using sh . Does the Granville Sharp rule apply to Titus 2:13 when dealing with "the Blessed Hope? There are two different syntaxes: Declarative and Scripted Pipeline. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. file and GitHub Actions share some similarities in workflow configuration: Thanks for contributing an answer to Stack Overflow! To learn more, see our tips on writing great answers. Thanks for contributing an answer to Stack Overflow! To learn more, see our tips on writing great answers. In case your properties file located in Groovy Library, and source code located in different place, you should use the Resources folder from the Groovy Library. 5. This is because you wrote the yaml file on a regular node, and then try to read it from a container in k8s. Why was there a second saw blade in the first grail challenge? To get the value of APP_NAME use like ${APP_NAME}. How should a time traveler be careful if they decide to stay and make a family in the past? The yaml/yml config file can be a PCF Is this subpanel installation up to code? The Overflow #186: Do large language models know what theyre talking about? Historical installed base figures for early lines of personal computer? I want to write this modified data back to test.yml in Jenkins. You cannot of course convert it line by line, you need to finish the json, and this works, (Ep. I am new to jenkins pipe line and as is very much confused between yml files and .groovy files. 3. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. zones: canary_zones: - can-1 QA_zones: - qa-1 - qa-2 production_zones: - prod-1 - prod-2. Jenkins Pipeline provides writeFile step that can be used to write a file inside job's workspace. Note: pipeline1 and pieline2 are the same files just showing different locations. Yaml The yaml/yml config file can be a PCF manifest file or any other config file and you need to read this config file in JenkinsFile for serving various purpose. Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned. I have a class called YamlTape.groovy which contains id: a_yaml some_key: key: value_1 It's like they're on different machines. 0. Find centralized, trusted content and collaborate around the technologies you use most. Rivers of London short about Magical Signature. I read on the forums that the readYml method should be called in the node block of the pipeline. Adding content to yaml after reading yaml file with readYaml example def datas = readYaml text: """ something: 'my datas' size: 3 isEmpty: false """ now I want to add datas.dataType = "String" When I try to do that Jenkins is giving me java.lang.NullPointerException: Cannot invoke method getAt () on null object I want the end Is there any way to achieve that. 589). convert string to yaml path in groovy jenkins CI/CD Collective See more. Is it because one is provided by github and the other by jenkins ? How should a time traveler be careful if they decide to stay and make a family in the past? Are high yield savings accounts as secure as money market checking accounts? Jenkins CI/CD Collective. @daggett That's a typo, my yml is correct. 1. Most appropriate model fo 0-10 scale integer data, Multiplication implemented in c++ with constant time, Newbie Ubuntu 22.04.2 on thumb drive "symbol 'grub_file_filters' not found", Denys Fisher, of Spirograph fame, using a computer late 1976, early 1977. Find centralized, trusted content and collaborate around the technologies you use most. Why does tblr not work with commands that contain &? Find centralized, trusted content and collaborate around the technologies you use most. First try to load that file in pipeline.jenkinsfile like this and use it like this. How to read YAML dict in Jenkins (Groovy) 0. The JenkinsFIle is used for Jenkins pipeline which is used to perform many steps such as, building, testing, deploying a job through Jenkins. Conclusions from title-drafting and question-content assistance experiments Jenkins DSL - Parse Yaml for complex processing, wrong variables format when filling yaml with Jenkinsfile, How to read YAML dict in Jenkins (Groovy), Read YAML components from variable in groovy, Getting YAML value from a variable Groovy. The Overflow #186: Do large language models know what theyre talking about? Does air in the atmosphere get friction due to the planet's rotation? Pros and cons of "anything-can-happen" UB versus allowing particular deviations from sequential progran execution, Passport "Issued in" vs. "Issuing Country" & "Issuing Authority". After successful conversion second text area will be filled Pipeline Declarative Script. Rivers of London short about Magical Signature, Excel Needs Key For Microsoft 365 Family Subscription. Jenkins DSL - Parse Yaml for complex processing. I am trying to merge two yamls in jenkins file (.Jenkinsfile), Tried looking into options like MAP in groovy but not able to resolve the issue, How to avoid such an error? Groovy - Jenkins pipeline - 1. I am new to groovy, any help is much appreciated. template.queryselector or queryselectorAll is returning undefined. How would life, that thrives on the magic of trees, survive in an area with limited trees? `groovy pipeline { agent any. Passport "Issued in" vs. "Issuing Country" & "Issuing Authority", template.queryselector or queryselectorAll is returning undefined, Explaining Ohm's Law and Conductivity's constance at particle level. For example, if you want to use cf push command then you need to use app name, buildpack, artifact name, stack. jenkins I can add content with readJson though if I am reading a Json file. I came across this github repo link, where he defines all the jobs & steps in .yml file, In second case, I came across a private repo which has file structure containing metadata.yml and jenkinsfile.groovy. And also using the syntax readYaml(file: './nameOfFile.yaml') readyaml section. template.queryselector or queryselectorAll is returning undefined. Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Before tinkering with this readYml method my pipeline worked flawlessly. Are Tucker's Kobolds scarier under 5e rules than in previous editions? Reading Yaml File yaml stage ("Write docker-stack.yaml") { def dockerStackYamlToWrite = readFile 'docker-stack.yaml' def dockerStackYaml = readYaml String fileText = read file } } } } } But this is not the best solution for you. Pipeline Does Iowa have more farmland suitable for growing corn and wheat than Canada? Where to start with a large crack the lock puzzle like this? write yaml file in jenkins with groovy. There's a reference in script1 to the pipeline using: And works fine. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Oct 16, 2019 at 14:06. The Overflow #186: Do large language models know what theyre talking about? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The withReader block implicitly returns the last line of the closure, which in your case is: println "YamlTapeLoader : inside readFrom : " +reader. Move your variable declaration to script block, the variable will be Groovy - readYaml () expecting java.util.LinkedHashMap instead of a file. Ex: def files = findFiles (glob: '**/TEST-*.xml') echo """$ {files [0].name} $ {files [0].path} $ {files [0].directory} $ {files [0].length} $ {files [0].lastModified}""" excludes : String (optional) 1. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Now I will show you how to read yaml/yml config file in JenkinsFile. How to fetch variables from yaml and map them in jenkinsfile? I juste tried to echo my variables in the ugly way of the whole yaml in my groovy code. I am new to stackoverflow as well as new to the coding part. What is the state of the art of splitting a binary file by size? Now I want to get the module list of specified version, and the version is a variable, I try to write the jenkins pipeline like this: but this can't work, yamlFile.get("${version}") is a null object, how can I achieve this? That would require variable interpolation within yaml, which is not possible. Github help explains key differences Jenkins and GitHub Actions / Migrating from Jenkins to GitHub Actions.. Why does tblr not work with commands that contain &? Not the answer you're looking for? Jenkins Groovy - using modified data from readYaml to write back into yml file. WebIf you just need to update a version in a yaml file, then you can just read the contents, do a String replace and write back to your file. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Thanks for contributing an answer to Stack Overflow! Same mesh but different objects with separate UV maps? Reading a specific yaml value using Groovy. Jenkins Pipeline is a widely used way to define jobs in Jenkins. ./. Merging two yaml files in a Jenkins Groovy pipeline. Not the answer you're looking for? Hot Network Questions Do carbon MTB frames crack easily? Why was there a second saw blade in the first grail challenge? Getting YAML value from a variable Groovy, A conditional block with unconditional intermediate code, Manhwa about a girl who is sucked into a book where the second male lead died of sadness. Does Iowa have more farmland suitable for growing corn and wheat than Canada? Jenkins pipeline from YAML file. Jenkins groovy writeYaml method: single quote replaced