Hello,
I recently switched to running Jenkins from host machine to a docker
container (https://hub.docker.com/r/jenkins/jenkins).
I was also using docker agents to build. This is now broken in my
current setup as I'm spinning up a slave container to run pipelines and
issues arise in a situation such as:
pipeline {
agent { label 'jnlp-agent-docker' }
// this is the major change as before it was not a container,
// the label refers to a template with a similar version of
// https://github.com/jenkinsci/jnlp-agents/ > docker
stages {
stage('Build') {
agent {
docker { // could also be dockerfile
image "<myimage>"
}
}
steps {
git 'myrepo'
sh "build"
archiveArtifacts artifacts: 'dist/**/*'
}
}
}
}
The docker plugin (this one >
http://wiki.jenkins-ci.org/display/JENKINS/Docker+Plugin) is obviously
unable to mount workspaces in another container and builds fail.
I would like to avoid adding a new template for this and using docker in
docker
(https://support.cloudbees.com/hc/en-us/articles/360001566111-Set-up-a-Docker-in-Docker-Agent-Template)
if possible
(https://jpetazzo.github.io/2015/09/03/do-not-use-docker-in-docker-for-ci/),
but I'll adapt to whatever works.
Is there a correct way to build using containers for jenkins, and the
slaves?
Thank you.
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