session-36.txt

Backend
--------------------
1. create EC2 instance first
2. connect to the server using null resource and remote exec.
3. copy the script into instance.
4. run ansible configuration
5. stop the server
6. take AMI
7. delete the server
	aws configure
	aws
8. target group creation
9. launch template
10. autoscaling and policy
11. listener rule
	
match the declared configuration with actual configuration

actual configuration of server
server state --> terminated
declared state --> create the server


userdata
---------------------
once ec2 instance created, aws will run userdata script.

1. we have to login inside instance and check the logs,
2. once userdata is changed, AWS will not update EC2
	delete EC2 manually and run terrafrom again
	
remote provisoner
---------------------
execute the scripts in remote servers
ansible-playbook -i <inventory> <yaml-name> -e var=value --> ansible server

ansible pull
--------------
install ansible in remote node
ansible-pull -i <inventory> <ansible-playbook-git-url> <yaml-name> -e var=value --> remote node