Configuring Jenkins

Add Sudo access to Jenkins with NO Password

• Login and become root user and then execute the following commands

vi /etc/ssh/sshd_config
# password Authentication to Yes
service sshd restart
visudo
# add the below line
# jenkins ALL=(ALL:ALL) NOPASSWD:ALL

Using git with jenkins

• ensure git is installed

sudo apt-get install git -y

• Login as jenkins user and verify the git using

git --version

• Note: This applies to any softwares in use from jenkins

Jenkins Projects

• Two kinds of Popular Projects are available in Jenkins
  • FreeStyle:
    • Project to create schedules of any activities
    • Heavily relies on UI Components of Jenkins.
    • If UI Components are not found, they can be added using plugins
  • Pipeline

Create a free style project to clone the code from git (GitHub)

• The project we will be cloning is spring pet clinic from here
• Create a new Item and select the options as shown below
• To understand different sections of Jenkins Freestyle project, Refer below
• Now configure Source Code Management with Git url https://github.com/spring-projects/spring-petclinic.git
• In the build section => Execute Shell

pwd
ls

• Lets examine what has happened in Jenkins Home Directory
• Whenever a project is created , In the Jobs folder of Jenkins HOme directory, a new folder with project name gets created. In this folder config.xml is project configuration, builds folder is available for symlinks of successful and pastbuilds
• Click on Build Now as shown below
• When your project/job is executed a folder gets created in Jenkins Home Directory in workspace folder

Continuous Integration

• Purpose of CI is give feedback about the commit(s) from developer(s)

Continuous Delivery

• Purpose of CD is give feedback about the days work done by the dev team
• Importance is for System Test/Performance Testing