Diffrence between buildflow, multijob and pipeline plugin - jenkins

what is the difference between buildflow, multijob and pipeline plugin.
If i have jobs need to run on the same node sequentially, which one should i use and why?
I have some parameters that are to be shared by all the jobs. I can do it using multijob and build flow also. which one is preferable?
I am confused.

Use the Pipeline plugin.
From the Build Flow plugin page:
"Deprecated: Users should migrate to https://wiki.jenkins-ci.org/display/JENKINS/Pipeline+Plugin"
If you're starting from scratch, the answer is basically the same for the Multijob plugin (prefer the pipeline plugin). The Multijob plugin was created pre-jenkins-2, and the pipeline plugin has implemented much of its functionality. Pipeline is one of the default plugins and is being actively maintained by multiple developers. Here is someone migrating from Multijob to Pipeline in 2016.

Related

What is the difference between Build pipeline and Delivery pipeline in Jenkins?

I would appreciate if anyone could briefly point out what the difference between Build and Delivery pipelines in Jenkins? Are they the same with different producers?
I don't have a depth knowledge of both plugin but from my experience, the subtle difference between the Delivery Pipeline Plugin and Build Pipeline Plugin is that the first one allows you to use Freestyle Jobs and Pipeline Jobs while the second one only allows Freestyle Jobs.
So if you're using Shared Libs for your pipelines and want to use any of this plugins to have an overview of downstream and upstream Jobs you should definitely go for Delivery pipeline plugin
Build Pipeline Plugin:
https://plugins.jenkins.io/build-pipeline-plugin/
Delivery Pipeline Plugin:
https://plugins.jenkins.io/delivery-pipeline-plugin/

How to write jenkins pipeline for Jira Release Version parameter

I have freestyle Jenkins job with Jira Release Version Parameter:
I need to migrate this job to use Jenkins pipeline instead of freestyle job. Can somebody give me a piece of pipeline code (in declarative language) which does that?
After some investigation, we figured out that at this moment it is not possible to implement this plugin in the pipeline job.

Allow promotion of job in Jenkins pipeline

I have a Jenkins pipeline which is responsible for about 5 stages (build and several different tests). I'm migrating from Jenkins 1.XX (with no pipelines) to Jenkins 2 and I'd like to replicate my process as closely as possible. The pipeline job I have set up on J2 handles everything exactly the same except it's using a JenkinsFile. The only issue is that the pipeline plugin does not appear to support Promotion of particular builds like you can do with Freestyle Jobs. Has anyone found a way around this?
Seems like Promoted Builds Plugin doesn't support pipelines yet. If you check the issue there is also some good pros and cons about supporting it for pipelines.

Jenkins pipeline using upstream and downstream dependency

I had some jenkins standalone jobs to build, package and deploy. Now I am connecting them and making 'build' job trigger 'package' job , and 'package' job to trigger 'deploy' job and am passing the required parameters between them.I can also see them neatly in pipeline view.
My question is, can this technically be called a pipeline? Or can I call it a pipeline only if I use pipeline plugin and write groovy script?
Thanks
p.s: Please do not devote this question. It is a sincere question for which I am not able to find the right answer. I want to be technically correct.
In Jenkins context, a pipeline is a job that defines a workflow using pipeline DSL (here, based on Groovy). A pipeline aims to define a bunch of steps (e.g. build + package + deploy in your case) in a single place, allows to define a complex workflow (e.g. parallel steps, input step, try/catch instructions) that can be both replayed and versionned (because it can be saved to git). For more information you should read Jenkins official pipeline documentation that explains in details what a pipeline is.
The kind of jobs you are currently using are called freestyle jobs, and even if they do define a "flow" (by chaining jobs together), they cannot be called pipelines jobs.
In short, pipelines are jobs that use pipeline plugin and groovy script syntax to define the whole application lifecycle, and standard Jenkins 1.x jobs are called freestyle jobs.

Configure block equivalent for Jenkins 2.0 Pipeline

For the Job DSL Plugin (https://github.com/jenkinsci/job-dsl-plugin) you can script your Jenkins jobs using this plugins DSL script with the help of their built in methods to support most plugins.
When you encounter a plugin that is not yet supported you can still use it by using a "Configure" block (https://github.com/jenkinsci/job-dsl-plugin/wiki/The-Configure-Block) that tells the plugin how to build the XML manually.
Is there an equivalent feature for the new Jenkins 2.0 pipeline (https://jenkins.io/solutions/pipeline/) to support plugins that are either not updated often or at least until the plugin author adds support?
You should have a look at new Jenkinsfile capabilities. In essence, you can now configure your entire job using the Jenkinsfile and pipeline approach.

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