Cloud Provisioning

AWS Cloud Provisioning using Ansible

Launching EC2 Instances

Ansible Playbook 

##################

/etc/ansible/playbooks/ec2_launch.yml

---

  - name: Provision an EC2 Instance

    hosts: local

    connection: local

    gather_facts: False

    tags: provisioning

    # Necessary Variables for creating/provisioning the EC2 Instance

    vars:

      instance_type: t2.micro

      security_group: s2 # Change the security group name here

      image: ami-b55a51cc # Change the AMI, from which you want to launch the server

      region: us-west-2 # Change the Region

      keypair: key1 # Change the keypair name

      count: 1

      hosts: webserver

    # Task that will be used to Launch/Create an EC2 Instance

    tasks:

      - name: Launch the new EC2 Instance

        local_action: ec2 

                      group={{ security_group }} 

                      instance_type={{ instance_type}} 

                      image={{ image }} 

                      wait=true 

                      region={{ region }} 

                      keypair={{ keypair }}

                      count={{count}}

        register: ec2

      - name: Add the newly created EC2 instance(s) to the local host group (located inside the directory)

        local_action: lineinfile 

                      dest="/etc/ansible/hosts" 

                      regexp={{ item.public_ip }} 

                      insertafter="[webserver]" line={{ item.public_ip }}

        with_items: "{{ ec2.instances }}"

      - name: Wait for SSH to come up

        local_action: wait_for 

                      host={{ item.public_ip }} 

                      port=22 

                      state=started

        with_items: "{{ ec2.instances }}"

      - name: Add tag to Instance(s)

        local_action: ec2_tag resource={{ item.id }} region={{ region }} state=present

        with_items: "{{ ec2.instances }}"

        args:

          tags:

            Name: webserver