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Working with AMIs Using Ansible

Image creation in AWS provides for both simplified system management and improved deployment performance. Ansible can be leveraged to automate AMI upkeep, and we will be doing just that in this exercise!

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Path Info

Clock icon Intermediate
Clock icon 30m
Clock icon Jul 19, 2019

Contact sales

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Table of Contents

  1. Challenge

    Create `/home/ansible/updateAMI.yml`, and Add an Ansible Play that Updates the Software on `node1` Then Updates `/home/ansible/image.txt`, as Described in the Instructions

    In our solution, we'll complete the required steps and add a task for collecting facts from EC2 metadata, which will help us collect the instance ID of node1.

    Edit the playbook such that it resembles the following:

    - hosts: node1
      become: yes
        - name: Update packages
            name: "*"
            state: latest
        - name: Update image.txt
            path: /home/ansible/image.txt
            line: "Image updated {{ }}"
        - name: Gather facts
  2. Challenge

    Edit the `/home/ansible/updateAMI.yml` and Add an Ansible Play that Collects the instance_id of `node1`, stops `node1`, Creates the AMI as Described in the Instructions, and Stores the AMI ID in the File `/home/ansible/ami.txt`

    We will be using the facts we collected in the first play to satisfy the objectives for this task.

    Edit the playbook such that it resembles the following:

    - hosts: localhost
        - name: Stop node1
          local_action: ec2
            region: us-east-1
            state: stopped
            instance_id: "{{ hostvars['node1'].ansible_ec2_instance_id }}"
            wait: yes
        - name: Create AMI
          local_action: ec2_ami
            state: present
            instance_id: "{{ hostvars['node1'].ansible_ec2_instance_id }}"
            name: UpdatedImage
          register: ami_output
        - name: Write AMI info to file
            create: yes
            path: /home/ansible/ami.txt
            line: "{{ ami_output.image_id }}"
  3. Challenge

    Run `/home/ansible/updateAMI.yml` to Perform the Required Tasks and Then Log into the AWS Console to Verify Your Work

    • Change some environment variables:
      • source
    • Run the playbook:
      • ansible-playbook /home/ansible/updateAMI.yml
    • Log into the AWS Console and confirm the new EC2 instance:
      • Search for "EC2" in the AWS console search and select the EC2 dashboard.
    • Confirm the AMI was updated:
      • Select AMIs from the menu on the left.

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