How to create EC2 instance using Ansible

Description: Here I have explained, How to create EC2 instance using Ansible

Create an IAM user  from AWS console

• Open AWS console and navigate to IAM service 

Install Require Packages on Ansible Machine

• Once User created successfully install below require things on Ansible machine 

Ansible

# yum install ansible -y

Python 

# yum install python python-devel python-pip

Boto [Boto is the python package which provides the interface to AWS] install using pip

#  pip install boto

Create Ansible Playbook to Create EC2 instance

• Add localhost in ansible host file for creating the connection to AWS console

[webserver]

localhost

• Create SSH Key for localhost and copy to authorization
  # ssh-keygen -t rsa
  
  
  

• Once key file created copy to authorized_keys and paste as follow

• Create a playbook for EC2 instance and paste below content in yaml file 

# vi ec2.yaml

---
  - name: Launching the AMS instance
    hosts: localhost
    tasks:
      - name: Launching the AMS instance
        ec2:
          key_name: ansible
          region: us-east-1
	  instance_type: t2.micro
	  image: ami-0c582118883b46f4f
          group: Ansible
	  count: 2
	  aws_access_key: WODAJGU3OHZ7RDKG4TPQ
	  aws_secret_key: OD3I2mgh/ynyrJJ9Y/bLQto6JLII3gyGBFYJ+w7

  Description of Playbook 
    key_name: Key created in EC2  instance 

    region: The region on which you want to create new instance

    instance_type : Instance Type in EC2 

    image: Image you want to use to create new instance, You can get image id from EC2 launch                             console

   group: Security Group name which you want to place for VM
   count : Number of EC2 instance which you want to create

   aws_access_key: Access key from the user IAM user which we have created on beginning
   aws_secret_key: Secret key from the IAM user 

• You will get both the keys from AWS IAM console

• Test playbook content using below command 
  

# ansible-playbook -C ec2.yaml

• Once result showing OK you can run playbook using the ansible-playbook command 

# ansible-playbook ec2.yaml

• You can see new 2 new instances on the list as follow