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AUTOMATE JENKINS LAUNCH USING TERRAFORM

1. Install Terraform

  • spin an ubuntu vm and connect through ssh in to the machine
  • to install terraform, visit the site Terraform_install to ensure you always have the updated
  • version of the instalation code
  • choose the os, you want to install and follow along
wget -O- https://apt.releases.hashicorp.com/gpg | sudo gpg --dearmor -o /usr/share/keyrings/hashicorp-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list
sudo apt update && sudo apt install terraform

2. verify Terraform is installed

  • to verify terraform has been installed, try this terraform -v

3. Jenkins Installation script

  • Before we start writing our terraform files we will write jenkins installation script goto the link [jenkins_install] (https://www.jenkins.io/doc/book/installing/linux/) to get updated version always
  • note: we are on an ubuntu machine, so we will also have jenkins ubuntu installation process.
  • lets create a file to save our script touch jenkins.sh and copy and paste the code below.
#!/bin/bash
sudo apt update
sudo apt install maven -y
sudo apt install openjdk-11-jdk -y

sudo wget -O /usr/share/keyrings/jenkins-keyring.asc \
  https://pkg.jenkins.io/debian-stable/jenkins.io-2023.key
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

sudo apt-get update
sudo apt-get install jenkins -y
  • The first part of the code after the shabang is updating and downloading dependencies for jenkins to function properly
  • and the last part is download and install jenkins on the server