Harish Narnaware's team blog

Maven project for devops

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Harish Narnaware
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3 min read

Create AWS Account I hope you have created one already. if you don't have please create another one

Click on ec2 services it will show the ec2 dashboard.

  • Click on Launch Instances.

  • create t2 micro instance with free tier. I am using here t2 micro instances with low configuration but it will not give smooth experience.

  • select ubuntu machine

  • create key pair and name this file then save

  • Add security group If you dont have create another one

After Creating an instance connect via ssh

Steps for installing Jenkins

  • Before Installtion jenkins Make sure you have java installed in your system
# switch to root user to install packages
$ sudo su
$ apt update
$ apt install openjdk-11-jdk -y
# after installtion of java check version
$ java --version

  • After Installation of java, you can install Jenkins.

  • Follow the command or you can also use documentation if you want to install Jenkins for another operating system.

Installation of Jenkins https://www.jenkins.io/doc/book/installing/

# add the framework repository key
$ curl -fsSL https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo tee \
  /usr/share/keyrings/jenkins-keyring.asc > /dev/null
# Link the repository of Debian Package to the source list of the server
$ echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] \
  https://pkg.jenkins.io/debian-stable binary/ | sudo tee \
  /etc/apt/sources.list.d/jenkins.list > /dev/null

# update packages list
$ apt update
# insallation jenkins
$ apt install jenkins
  • To check that installation of Jenkins is complete and running run command "service Jenkins status"

  • Jenkins services are running

  • After the successful installation of Jenkins visit with your server domain name or IP address : your_server_ip:8080

  • You have to allow Incoming traffic for your instance.

  • steps for allow incoming traffic go_to_ec2_dashboard > Running instances > Security > security_groups > Edit Inbound Rules

  • Edit Inbound Rules. type ->all tcp , source -> anywhere ipv4 . I am allowing all tcp because I have to forward other port also.

  • Save Rules then try to again open it .

  • unlock jenkins password is saved on this location

  • cat /var/lib/jenkins/secrets/initialAdminPassword you will get the password

  • paste password then continues installing suggested plugins.

Make fresh User save and finish you will see the dashboard of jenkins

Installation of Maven Application

  • Click on manage plugins > plugin manager > available plugins

  • Install the Maven Integration plugin then click install without restart this plugin helps to create maven project .

  • Same as installing deploy to container plugin

  • After Installing plugins create credentials for the tomcat user.

  • If you don't have tomcat server running on the server. create it first.

  • you can also check my blog on how to run tomcat server

  • Apache Tomcat Installation on Linux

  • Go to Dashboard > Manage Jenkins > Credential > System > Global Credential

  • Go to the dashboard Click on New Item create new Project

  • Click on Ok.

  • Add github repository Link

  • Tick on Poll Scm. polls the SCM periodically for checking if any changes/ new commits were made and shall build the project if any new commits were pushed since the last build.

  • Schedule it for 2 minutes according to their formula.

  • Maven installation by jenkins click on tool configuration

  • Build > Goal and Option >clean install package

  • After the maven command, all commands are executed.

  • Add Maven from Maven installation Save and Apply.

  • Deploy war/ear to the container.

  • Click on Build Now. Now, wait for the build production it will deploy your application on the tomcat server.

  • visit on your_ip:8090/webapp tomcat server. the application will be deployed

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