Jenkins choice parameter groovy example

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Also I need to include the hostname in property and in email subject. But the Email subject should not contain the actual hostname serverinstead it has to be a different name. I am trying to use Extended Choice Parameter plugin, but I am stuck, so any help would be really appreciated!

Extended Choice Parameter plugin is the way to go for such requirement. You need to select Extended Choice Parameter from the drop-down list as shown below. Once you select that option, you will see another drop-down with the name Parameter Type as shown in the snapshot below. Select Multi Select from that drop-down. Enter the server names in Value box. Commais the delimiter. Since you are taking the server names in a string, you will first have to split the string using commaas delimiter to fetch individual values servers.

And then you will have do check each server and assign values to it. A pseudo code such as:. I wrote a similar script in Perl few back back.

You can use your language of choice bash, batch etc. To pass these variables in subject line of your mail etc.

Just in case, if you want an alternative way, you can simply use the system's mail command depending on the flavor you have. If you don't see that, you probably have a very old version of that plugin. As for the second part of your question: you are going to have to do that mapping in your scripts, inject it using EnvInject plugin, and then use the injected value in your email. How are we doing?

Please help us improve Stack Overflow. Take our short survey. Learn more. Asked 5 years, 7 months ago. Active 1 year, 5 months ago. Viewed 33k times. Currently I am using Choice parameter to input the hostname in a drop-down like below. JasonMArcher Arjun Arjun 51 1 1 gold badge 1 1 silver badge 2 2 bronze badges.

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Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I was in need of the similar solution.

Here is the Jenkinsfile code. Even you can use "Active Choices Reactive Reference Parameter" with below definitions and rest of the code, follow as in above example.

Thanks a ton Yogeesh. It helped a lot. In my case, the requirement was to select multiple instead of one. How are we doing? Please help us improve Stack Overflow. Take our short survey. Learn more. Asked 2 years, 11 months ago. Active 7 days ago. Viewed 30k times. Ibtissam Ibtissam 1 1 gold badge 7 7 silver badges 18 18 bronze badges. Active Oldest Votes.

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Aborting the build" currentBuild. Hope this helps someone. Yogeesh Yogeesh 1 1 silver badge 2 2 bronze badges. Yu Jiaao 2, 2 2 gold badges 29 29 silver badges 45 45 bronze badges.

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Prosenjit Sen Prosenjit Sen 46 4 4 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Cryptocurrency-Based Life Forms. Q2 Community Roadmap.

Featured on Meta. Community and Moderator guidelines for escalating issues via new response…. Feedback on Q2 Community Roadmap. Triage needs to be fixed urgently, and users need to be notified upon…. Dark Mode Beta - help us root out low-contrast and un-converted bits. Technical site integration observational experiment live on Stack Overflow. Linked 2. Related 0. Hot Network Questions.In the following example, we make use of the Jenkins Active Choice Parameter plugin.

It allows us to use any kind of Groovy script to retrieve external information, or even run a sub-process script like Python or Golang, which is stored on the Jenkins master instance. These processes can help to query an external service like MySQL database or some APIs, to select a list of items that will be displayed in the selection box during Jenkins job, like this:.

First, install the plugin to your Jenkins. It adds the following options to the parameter selection when you add a new job parameter for both Freestyle and Pipeline type jobs :. Try to run the job, and see what options does it list for this parameter. Pretty cool. The excellent official Groovy reference will help you to create fantastic and flexible scripts for the input boxes and the build steps.

Below, is an example of listing image tags from Google Container Registry using the official gcloud CLI tool to receive the full JSON of all tags for a particular image in your GCP project a prerequisite would be to have the gcloud tool installed and authorized on your Jenkins master :. They tag v0. For your images, you can also sort by numeric or alphabetic order instead of timestamp, depending on your project needs.

Also, you can convert the select-box and its script into a Jenkins pipelineand use in your existing pipelines with the help of Job DSL plugin. You can use any public or private chart to follow the demo. This way you installed the needed MySQL version from those you selected directly from Dockerhub, without ever visiting Dockerhub, by using the controls in Jenkins.

This is super handy when your Ops team needs to deploy a release that one of the developers told them to do on a Monday ticket. The user can see exactly which versions are available in the repository right now, and know whether the image was already built and uploaded, or not yet, minimizing the risk for attempting to deploy a nonexistent image version and a risk of typos. That can be used in the build job to upgrade or modify a resource, similar to what was demonstrated with Helm upgrade.

Pipeline Syntax

The rolling or immediate rotation depends on your deployment resource settings. Then the rendering from environment variables can be done by templatizing the YAML file, like this:. You can easily see which two values we are setting in this manifest using consul-template from environment variables.

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To make consul-template write the variables into file, you can use this command:. It does just one simple thing: substitutes the placeholders in template with the values of environment variables.

Each of the techniques can be used in new and creative ways, in addition to other DevOps and development tools to speed up the processes of selecting, editing, substituting values in various templates, CLI commands or scripts.

Kublr abstracts the difficulty of setting up and maintaining highly available multi-master Kubernetes clusters on different cloud providers or on-premises, to allow your team to concentrate their efforts on delivering the applications and avoid maintaining the inner-workings of a complex cluster.

There is no reason not to use Kubernetes when it offers plenty of features with almost zero effort in order to install and manage the infrastructure thanks to projects like Kublr.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. See this answer first. To get a list of all the builds for a project obtained as per that answer :. When you find your particular build, you need to get all actions of type ParametersAction with build. You then query the returned object for your specific parameters.

Regarding p4. In Jenkins Groovy console get all actions for a build that contains p4. For resolving a single parameter I guess what's most commonly neededthis is the simplest I found:.

With Jenkins 2 pipeline dsl, you can directly access any parameter with the trivial syntax based on the params Map built-in:. The returned value will be a String or a boolean depending on the Parameter type itself. The syntax is the same for scripted or declarative syntax.

I've just got this working, so specifically, using the Groovy Postbuild plugin, you can do the following:. In cases when a parameter name cannot be hardcoded I found this would be the simplest and best way to access parameters:. In cases, when a parameter name is known and can be hardcoded the following 3 lines are equivalent:. If you are trying to get all parameters passed to Jenkins job you can use the global variable params in your groovy pipeline to fetch it.

Exposes all parameters defined in the build as a read-only map with variously typed values. As a convenience, any parameters currently defined in the job which have default values will also be listed in this map. That allows you to write, for example:. BRANCH and be assured that the master branch will be checked out even in the initial build of a branch project, or if the previous build did not specify parameters or used a different parameter name.

Learn more. Ask Question. Asked 7 years, 10 months ago. Active 4 months ago. Viewed 95k times. Noel Yap Noel Yap Active Oldest Votes. Regarding parameters: See this answer first. To get a list of all the builds for a project obtained as per that answer : project. For resolving a single parameter I guess what's most commonly neededthis is the simplest I found: build.

This results in groovy. Update: Jenkins 2. Patrice M. This is failing with "groovy. Most probably build parameter is not accessible while running parameterized jenkins job with groovy pipeline. This old answer applies for a Jenkins 1. Jul 11 '19 at By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information.

We've got a set of groovy scripts that our users invoke in their jenkinsfile that sets some common job properties. However, we haven't been able to figure out how to preserve their existing parameters when we do this update. However, this overwrites the parameter definitions, so if the user had specified a different parameter definition in their jenkins file before invoking our groovy, it's been wiped out. I can get access to the existing parameters using currentBuild.

14 - Jenkins Pipeline script parameterized builds

I tried currentBuild. Is it possible to get the parameter definitions inside the groovy being called from a Jenkinsfile? Or is there a different way that would let us add an additional parameter to the job without wiping out the existing ones currently defined in the jenkinsfile? So the way we do this, is treat it all like a simple list, then join them together. So jenkinsfile's first get a list from the shared library, before adding their own to the list and then they set the params not the shared library.

We did the following groovy code to retrieve the parameters definitions and add new parameters to existing ones we don't have any knowledge about what the user will put as parameters. If you have something more simple, I take it:. Learn more. Asked 2 years, 1 month ago.

Active 2 months ago. Viewed 6k times. Jon B Jon B 23 1 1 silver badge 3 3 bronze badges. Active Oldest Votes. So jenkinsfile's first get a list from the shared library, before adding their own to the list and then they set the params not the shared library Repos jenkinsfiles do this:!

Pelucchi F. Pelucchi 11 1 1 bronze badge. Azat Azat 2, 1 1 gold badge 26 26 silver badges 31 31 bronze badges. Sign up or log in Sign up using Google.

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Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.This section builds on the information introduced in Getting started with Pipeline and should be treated solely as a reference. For more information on how to use Pipeline syntax in practical examples, refer to the Using a Jenkinsfile section of this chapter. As of version 2. For the pros and cons of each, see the Syntax Comparison.

As discussed at the start of this chapterthe most fundamental part of a Pipeline is the "step". Basically, steps tell Jenkins what to do and serve as the basic building block for both Declarative and Scripted Pipeline syntax. For an overview of available steps, please refer to the Pipeline Steps reference which contains a comprehensive list of steps built into Pipeline as well as steps provided by plugins.

Declarative Pipeline is a relatively recent addition to Jenkins Pipeline [ 1 ] which presents a more simplified and opinionated syntax on top of the Pipeline sub-systems. All valid Declarative Pipelines must be enclosed within a pipeline block, for example:.

Blocks must only consist of SectionsDirectivesStepsor assignment statements. A property reference statement is treated as a no-argument method invocation. So, for example, input is treated as input. You can use the Declarative Directive Generator to help you get started with configuring the directives and sections in your Declarative Pipeline.

Sections in Declarative Pipeline typically contain one or more Directives or Steps. The agent section specifies where the entire Pipeline, or a specific stage, will execute in the Jenkins environment depending on where the agent section is placed. The section must be defined at the top-level inside the pipeline block, but stage-level usage is optional.

There are some nuances when adding an agent to the top level or a stage level, and this when the options directive is applied. In agents declared at the outermost level of the Pipeline, the options are invoked after entering the agent. As an example, when using timeout it will be only applied to the execution within the agent. In agents declared within a stage, the options are invoked before entering the agent and before checking any when conditions. In this case, when using timeoutit is applied before the agent is allocated.

The timeout will include the agent provisioning time. Because the timeout includes the agent provisioning time, the Pipeline may fail in cases where agent allocation is delayed. When using timeoutit will applied before the agent therefore the timeout will account for the provisioning time. This may cause the pipeline to timeout if it takes too long to allocate an agent. In order to support the wide variety of use-cases Pipeline authors may have, the agent section supports a few different types of parameters.

These parameters can be applied at the top-level of the pipeline block, or within each stage directive. When applied at the top-level of the pipeline block no global agent will be allocated for the entire Pipeline run and each stage section will need to contain its own agent section.

For example: agent none. Execute the Pipeline, or stage, on an agent available in the Jenkins environment with the provided label.

jenkins choice parameter groovy example

Label conditions can also be used. Execute the Pipeline, or stage, with the given container which will be dynamically provisioned on a node pre-configured to accept Docker-based Pipelines, or on a node matching the optionally defined label parameter.

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The parameter registryCredentialsId could be used alone for private repositories within the docker hub. For example:. Execute the Pipeline, or stage, with a container built from a Dockerfile contained in the source repository. If your Dockerfile has another name, you can specify the file name with the filename option. Execute the Pipeline, or stage, inside a pod deployed on a Kubernetes cluster. For example, if you want a pod with a Kaniko container inside it, you would define it as follows:.

You will need to create a secret aws-secret for Kaniko to be able to authenticate with ECR. These are a few options that can be applied to two or more agent implementations.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I was in need of the similar solution. Here is the Jenkinsfile code. Even you can use "Active Choices Reactive Reference Parameter" with below definitions and rest of the code, follow as in above example.

Thanks a ton Yogeesh. It helped a lot. In my case, the requirement was to select multiple instead of one. Learn more. Asked 2 years, 11 months ago. Active 11 days ago. Viewed 30k times. Ibtissam Ibtissam 1 1 gold badge 7 7 silver badges 18 18 bronze badges. Active Oldest Votes. Aborting the build" currentBuild. Hope this helps someone.

jenkins choice parameter groovy example

Yogeesh Yogeesh 1 1 silver badge 2 2 bronze badges. Yu Jiaao 2, 2 2 gold badges 29 29 silver badges 45 45 bronze badges. Prosenjit Sen Prosenjit Sen 46 4 4 bronze badges.

jenkins choice parameter groovy example

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