Jenkins Batch to Bash

[Cornelius Ele]

Hello all,

I am trying to migrate a Jenkins instance from a Windows machine to a Linux server. Upon doing a quick *.bat search in the C:\Program Files (x86)\Jenkins folder, I see 238 batch files. 

Do these batch files need to be converted for the new Jenkins instance to perform all its jobs? If so, how can the conversion be done? 

Appreciate any kind of feedback.

[Simon Richter]

Hi,

On 23.11.18 15:14, Cornelius Ele wrote:

> Do these batch files need to be converted for the new Jenkins instance
> to perform all its jobs? If so, how can the conversion be done? 

The only things that need to be converted are "batch" build steps in
existing jobs if the job is no longer going to be executed on a Windows
agent.

The main Jenkins installation is independent from the agents (and the
executors on the master node behave like an agent, for the most part).

So a Jenkins installation on a Linux system will be able to configure
batch build steps, but not execute them.

Simon

[RAJENDRA PRASAD]

Hi Ele,

You dont need to cover ant scripts:

Here is the Jenkins migration Steps from Windows to Linux:

On Windows Machine Perform Following Activities

1. First find out the Plugins Installed on windows Jenkins setup 

2. Find out Tools like (maven,ant,jdk ..etc) installed on windows Jenkins server (You can find these on jenkins global tool configuration)

3. Then Stop Jenkins and Copy all jobs files from Windows Jenkins Server:

        <Jenkins_home>/jobs Folder

          How to Find Jenkins Home Folder:

          Login to Jenkins

         Manage Jenkins

         System Configuration

         Click the first "advanced" button            here you can find Jenkins_home path

Then Perform Follwoing Activites on New Linux Jenkins Server;

1. Install Jenkins on Linux Server nearest version that you installed on Windows

2. Install the plugs that you have on windows Jenkins server

3. Install the all tools that you had on windows Jenkins server

4. Stop Jenkins Server

5. Copy the all the jobs to in to Linux JENKINS_HOME folder

6. Start Jenkins Server

7. Go to Manage Jenkins Server

8. Click on "Reload Configuration from Disk" link

9. Allow Jenkins relaod  takes 10-20 seocds will take

10. Re login and check your jobs , All must be there

wait wait Still porting is not completed.

11 On Linux Each yob you might be running as Batch command

12. Now you must change it  Shell to run.

 

  

 13 . And off course you need  port changes if you are using any native batch scripts and need to convert into Bash Scripting.

Let me know if you need any help

Thanks and Regards,
Rajendra Prasad Reddy Penumalli
Sr. Engineer in Testing.
Mobile:9008566233

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[Cornelius Ele]

Thank you for such a detailed reply!

Just wondering, because there are many plugins and tools, and I want to maintain the same version as the old Jenkins, would it be possible to copy the 'plugins' and 'tools' folder as well? 
I was originally thinking of copying everything under JENKINS_HOME from Windows to Linux and configure each of the local references (i.e. JDK) accordingly.

Thanks,

Ele