On Fri, Mar 17, 2017 at 12:40 PM, 'Sascha Vujevic' via Jenkins Users <
[email protected]> wrote:
> Hello developers,
>
> i don't know if i use the kubernetes-plugin correct:
> My jenkinsfile looks like:
>
> podTemplate(label: 'mypod', containers: [
> containerTemplate(name: 'maven', image: 'myOwnMavenImage:latest'',
> ttyEnabled: true, command: 'cat')
> ]) {
>
> node ('mypod') {
> stage 'Get a Maven project'
> git 'https://github.com/jenkinsci/kubernetes-plugin.git'
> container('maven') {
> stage 'Build a Maven project'
> sh 'mvn clean install'
> }
> }
> }
>
>
> My Dockerfile uses a script-file as entrypoint:
>
>
> *run-script:*
>
>
> export JENKINS_HOME=/var/lib/jenkins
>
> # Setup nss_wrapper so the random user OpenShift will run this container
> # has an entry in /etc/passwd.
> # This is needed for 'git' and other tools to work properly.
> #
> export USER_ID=$(id -u)
> export GROUP_ID=$(id -g)
> envsubst < ${JENKINS_HOME}/passwd.template > ${JENKINS_HOME}/passwd
> export LD_PRELOAD=libnss_wrapper.so
> export NSS_WRAPPER_PASSWD=${JENKINS_HOME}/passwd
> export NSS_WRAPPER_GROUP=/etc/group
>
> exec "$@"
>
>
> *dockerfile:*
>
>
> FROM openjdk8:stable
>
> ENV MAVEN_HOME /usr/share/maven
> ENV M2_HOME /usr/share/maven
> ENV JENKINS_HOME=/var/lib/jenkins
>
> COPY ./contrib/.m2 $JENKINS_HOME/.m2/
> COPY ./contrib/maven $M2_HOME
> COPY ./contrib/fix-permissions /usr/local/bin/fix-permissions
> COPY ./contrib/passwd.template $JENKINS_HOME/passwd.template
> COPY ./contrib/run /var/lib/jenkins/run
>
> USER root
>
> RUN yum-config-manager --disable epel >/dev/null || : && \
> yum-config-manager --enable rhel-7-server-ose-3.3-rpms || : && \
> INSTALL_PKGS="nss_wrapper gettext git lsof rsync tar unzip which zip"
> && \
> yum install -y --setopt=tsflags=nodocs install $INSTALL_PKGS && \
> rpm -V $INSTALL_PKGS && \
> yum clean all
>
> RUN localedef -f UTF-8 -i en_US en_US.UTF-8
> RUN ln -s $M2_HOME/bin/mvn /usr/bin/mvn
> RUN chmod a+x /usr/local/bin/fix-permissions
> RUN chown -R 1001:0 $M2_HOME
> RUN chmod 775 $M2_HOME/bin/*
> RUN /usr/local/bin/fix-permissions $M2_HOME/bin
>
> RUN chown -R 1001:0 $JENKINS_HOME && \
> chmod -R g+rw $JENKINS_HOME
>
> USER 1001
>
> ENTRYPOINT ["/var/lib/jenkins/run"]
>
> If i start the jenkins-job the pod is started with the jnlp- and the
> maven-container, but my shellscript in the maven-container is not used. I
> think thats because i use a cmd in the containertemplate of the
> maven-container.
>
>
> If i delete the cmd an set tty to 'false' the shellskript is used but the
> container stops after executing the shell-skript in the maven-container.
>
>
> Is there a posibility to have a long-running process in a container with
> executing a shell-script in the entrypoint of a container ?
>
yes, don't use 'cmd' in the pod template so your entrypoint is executed.
Your entrypoint has to be long-running, the container needs to be running
all time until pod is killed
>
> Thank you for your help.
>
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