Jenkins CLI

WHY

• CLI uses less memory
• Continuous Integration Hooks

Configure Global Security

• Manage Jenkins > Configure Global Security > Enable security = Yes
• <ip>::8080/cli
• You can access various features in Jenkins through a command-line tool. See the documentation for more details of this feature.To get started, download jenkins-cli.jar, and run it as follows
• java -jar jenkins-cli.jar -s http://192.168.0.103:8080/ help
•  
• Copy jenkins-cli.jar
  • FROM

/var/cache/jenkins/war/WEB-INF/jenkins-cli.jar

• TO

/usr/lib/jenkins/

Changing Deployment Location

• http://192.168.0.103:8080/configure
• var/lib/jenkins
  • Copy ALL data to NEW location
• /etc/sysconfig/jenkins
  • Change env variable JENKINS_HOME
    • OR
    • export JENKINS_HOME=<path>
  • Change other paths
• etc/init.d/jenkins
  • update paths
• /home/<user>/.bash_profile
  • update PATH
• systemctl restart jenkins
• • OR
  • <ip>:8080/restart
• <ip>:8080/systemInfo

Basic Deployment Locations

/etc/init.d/jenkins

# Check for missing binaries (stale symlinks should not happen)

JENKINS_WAR="/usr/lib/jenkins/jenkins.war"

# Check for existence of needed config file and read it
JENKINS_CONFIG=/etc/sysconfig/jenkins

JENKINS_PID_FILE="/var/run/jenkins.pid"

# Source function library.
.

Deploying Jenkins on CentOS7 ( jetty/winstone )

• https://jenkins.io/doc/
• https://jenkins.io/download/
• https://pkg.jenkins.io/redhat-stable/

Install Folders

• /var/lib/jenkins - filesystem
• /usr/lib/jenkins - jenkins.war
• /etc/init.d/jenkins - init & config

Finding Packages with Yum

sudo -c 'yum list wget'

Pull Jenkins Repo

• Pull jenkins repo

sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo

• Get key for to validate the jenkins package

sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key