文件结构

  1. -rw-rw-r--  1 admin admin  643 9月  29 20:54 Dockerfile
  2. -rw-rw-r--  1 admin admin  424 9月  29 20:54 jenkins-entrypoint.sh
  3. drwxrwxr-x 18 admin admin 4096 7月  18 19:39 jenkins-metadata

文件内容

Dockerfile

  1. FROM jenkins/jenkins:2.197
  3. ENV TZ="Asia/Shanghai"
  5. USER root
  7. RUN echo "StrictHostKeyChecking no" >> /etc/ssh/ssh_config \
  8.     && apt-get -y update \
  9.     && apt-get -y install vim openssh-client \
  10.     && usermod -u 500 jenkins && groupmod -g 500 jenkins
  12. # copy jobs/plugins/secrets
  13. COPY --chown=jenkins:jenkins .  /tmp/
  15. # override the entry point to use a custom script
  16. COPY --chown=jenkins:jenkins jenkins-entrypoint.sh /usr/local/bin/jenkins-entrypoint.sh
  18. # make custom entry point script executable
  19. RUN chmod +x /usr/local/bin/jenkins-entrypoint.sh
  21. USER jenkins
  23. ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/jenkins-entrypoint.sh"]

jenkins-entrypoint.sh

  1. #!/bin/bash
  3. # we have to do this in an entrypoint becuase the jenkins image has defined $JENKINS_HOME as a volume
  4. if [ ! -d /var/jenkins_home/nodes ]; then
  5.     echo "nodes directory not exist, we will use image data."
  6.     cp -r /tmp/jenkins-metadata/.  /var/jenkins_home/
  7. else
  8.     dir_size=`ls -A /var/jenkins_home/nodes |wc -w`
  9.     if [ "$dir_size" != "0" ]; then
  10.         echo "nodes directory already has data, we will use volume data."
  11.     else
  12.         echo 'nodes directory hava no data, we will use image data.'
  13.         cp -r /tmp/jenkins-metadata/.  /var/jenkins_home/
  14.     fi
  15. fi
  17. # call the original entry point
  18. /sbin/tini -- /usr/local/bin/jenkins.sh

jenkins-metadata

存放JENKINS_HOME数据