Terraform contd

Provisioners in Terraform

• Refer Here for terraform provisioner offical docs
• Provisioner types
  • file: This can copy file into remote machine created by terraform
  • local-exec: this executes in the machine where terraform is executed
  • remote-exec: This executes in resource created by terraform
• Provisioner Connection: To establish remote connection, we need to pass connection information Refer Here

ntier – aws. Install apache in ec2

• manual steps for installing spring petclinic

sudo apt update
sudo apt install openjdk-11-jdk -y
cd /tmp && wget https://referenceapplicationskhaja.s3.us-west-2.amazonaws.com/spring-petclinic-2.4.2.jar
java -jar /tmp/spring-petclinic-2.4.2.jar &

Realizing using terraform

• Refer Here for changes done
• Refer Here for the next change, here also java is not found

ntier – azure.

• Refer Here for the latest changeset and try to execute and see the results
• Try create a web vm or web ec2 and install apache in it

sudo apt update && sudo apt install apache2 -y

Concept – Backend

• Refer Here for official docs
• Terraform by default stores the state locally so multi user execution will create problems
• The default backend is local backend
• There are many other available backends Refer Here
• Next Steps:
  • Backend
  • Workspace
  • Modules and registry
  • state management:
    • import
    • state loss scenarios