[JIRA] (JENKINS-59099) Environment variables with '$' in their content get corrupted in the container step in declerative pipeline

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Aug 27, 2019, 6:07:03 AM8/27/19

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Marcell Lipusz created an issue

Jenkins /

JENKINS-59099

Environment variables with '$' in their content get corrupted in the container step in declerative pipeline

Issue Type:	Bug
Assignee:	Unassigned
Components:	kubernetes-plugin
Created:	2019-08-27 10:06
Environment:	stable/jenkins helm chart: 1.5.9 jenkins 2.176.2 kubernets-plugin 1.18.2 the slaves are: jenkins/jnlp-slave:3.27-1
Priority:	Minor
Reporter:	Marcell Lipusz

Hi,

I have a declarative pipeline, where the pod contains a few containers, during the execution I want to specify where to run a particular step, so I use the container() step. When I declare an environment variable that contains '$' as value and try to use it in the container step the '$' is doubled.

I originally noticed this with the credential-binding plugin, but I figured that it can be reproduced with simply using environment variables.

I've created a simple pipeline to demonstrate:

 
                                                                pipeline {
    agent any
    environment {
        FRUIT = '$apple'
    }
    stages {
        stage("Test") {
            steps{
                sh 'echo "${FRUIT}"'
                container('jnlp') {
                    sh 'echo "${FRUIT}"'
                }
            }
        }
    }
}
 
                                                            

Result:

 
                                                                [Pipeline] stage
[Pipeline] { (Test)
[Pipeline] sh
+ echo $apple
$apple
[Pipeline] container
[Pipeline] {
[Pipeline] sh
+ echo $$apple
$$apple
 
                                                            

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