Initialize and Apply Terraform Configuration: Initialize Terraform: terraform init
Apply the configuration: terraform apply
Launch an ec2 instance on aws
In your security group ensure to open these ports 443, 8080, 22, 80
ssh into your ec2 instance (in this case i will be using EC2 instance connect)
sudo apt update
sudo apt install openjdk-11-jre
Now; visit this site on your browser
pkg.jenkins.io
Click debian-stable/
Then copy the copy one by one and paste in your ec2 instance
wget -q -O - https://pkg.jenkins.io/debian/jenkins.io.key | sudo apt-key add - sudo sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'
sudo apt update
sudo apt-get install fontconfig openjdk-17-jre
sudo apt-get install jenkins
Access your jenkins in you browser with your ec2 public ipv4 address include :8080 at the end of the public ipv4 address
To get Administrator Password on the jenkins admin page
cat the the directory shown there in your ec2 server you already ssh into sudo cat /var/lib/jenkins/secrets/initialAdminPassword (you will see on your jenkins page), this command will help you get your admin password
Create an Admin user
Then you will be taken to another page to customize jenkins
Install all plugins or specific depending on your used case (here i will be installing all recommendded plugins)
You will see Jenkins path Url
Then you will receive a prompt noting that Jenkins is Ready
Create New Job with Pipeline Under pipeline
- select pipeline script
- select hello world as sample
Run Sample Code
Do Check-out Using Declarative Format
click configure, then click pipeline syntax
From the Sample step
- select checkout: Check out from version control
- provide your git repository url (copy that by clicking code on your git repository)
Now, we need to provide some Aunthentication
*click on Add Jenkins
- you should see username with password then add your username and password, username: your github account username
password: you need to generate the password from your github by generating a token for Authentication
How to generate password
- go to github
- go to setting (ensure you access the setting from clicking the placeholder for your github profile picture, that's where you can see develpoer settings)
- click developer settings
- go to personal access tokens
- click generate new token drop down, click generate new token (classic)
-
give any name in the tab called "Note" provided
-
select expiration time from the Expiration* drop down
-
Check all boxes in the Select Scopes
-
Click generate token
Copy the token from github then paste in the password column on Jenkins, give it an ID then Add
In the credentials, select your credential at the far end of the list
Ensure you are on Either Master or Main branch, confirm that from your github
Generate pipeline script, then copy
Paste the generated script replacing Hello World
Now run build again to comfirm no build error
TO Configure Webhook in Github and Jenkins
Go to github setting, click webhook
Paste Jenkins url, ensure to add this to the jenkins url /github-webhook/ then click add webhook
Check if you get green tick icon
Now Let's configure github in JENKINS
- go to Jenkins pipeling, tick configure
Github hook trigger for GitScm polling, then save
Jenkins Github integration is then fully completed
