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sap-jenkins-library/documentation/docs/steps/dockerExecute.md
Oliver Nocon da0935c0e5
Patch Urls (#929)
* Patch Urls
* fix test
2019-11-11 17:40:23 +01:00

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Markdown

# ${docGenStepName}
## ${docGenDescription}
## ${docGenParameters}
## Kubernetes support
If the Jenkins is setup on a Kubernetes cluster, then you can execute the closure inside a container of a pod by setting an environment variable `ON_K8S` to `true`. However, it will ignore `containerPortMappings`, `dockerOptions` and `dockerVolumeBind` values.
## ${docGenConfiguration}
## ${docJenkinsPluginDependencies}
## Side effects
none
## Exceptions
none
## Example 1: Run closure inside a docker container
```groovy
dockerExecute(dockerImage: 'maven:3.5-jdk-7'){
sh "mvn clean install"
}
```
## Example 2: Run closure inside a container in a kubernetes pod
```sh
# set environment variable
export ON_K8S=true"
```
```groovy
dockerExecute(script: this, dockerImage: 'maven:3.5-jdk-7'){
sh "mvn clean install"
}
```
In the above example, the `dockerEcecute` step will internally invoke [dockerExecuteOnKubernetes](dockerExecuteOnKubernetes.md) step and execute the closure inside a pod.
## Example 3: Run closure inside a container which is attached to a sidecar container (as for example used in [seleniumExecuteTests](seleniumExecuteTests.md)
```groovy
dockerExecute(
script: script,
containerPortMappings: [containerPortMappings:'selenium/standalone-chrome':[containerPort: 4444, hostPort: 4444]],
dockerImage: 'node:8-stretch',
dockerName: 'node',
dockerWorkspace: '/home/node',
sidecarImage: 'selenium/standalone-chrome',
sidecarName: 'selenium',
) {
git url: 'https://github.com/XXXXX/WebDriverIOTest.git'
sh '''npm install
node index.js
'''
}
```