Using Ansible to expand an EBS volume

expand_ebs_volume.yml

- hosts: server

  vars:
    vol_new_size: 50
    vol_drive: /dev/sdf

  tasks:
    - name: Gathering ec2 metada facts
      ec2_metadata_facts:

    - name: Get EBS volume ID and size
      delegate_to: 127.0.0.1
      become: no
      ec2_vol:
        region: "{{ ansible_ec2_placement_region }}"
        instance: "{{ ansible_ec2_instance_id }}"
        state: list
      register: result
    - set_fact:
        vol_id: "{{ (result.volumes | selectattr('attachment_set.device', 'equalto', vol_drive) | list)[0].id }}"
        vol_size: "{{ (result.volumes | selectattr('attachment_set.device', 'equalto', vol_drive) | list)[0].size }}"
      when: 
        - not ansible_check_mode

    - name: Expand EBS volume
      delegate_to: 127.0.0.1
      become: no
      command: aws --region "{{ ansible_ec2_placement_region }}" ec2 modify-volume --volume-id "{{ vol_id }}" --size "{{ vol_new_size }}" --output json
      changed_when: False
      when:
        - not ansible_check_mode
        - vol_new_size > vol_size | int


    - name: Wait for volume modification to complete
      delegate_to: 127.0.0.1
      become: no
      command: aws --region "{{ ansible_ec2_placement_region }}" ec2 describe-volumes-modifications --volume-id "{{ vol_id }}" --output json
      register: result
      until: result.stdout.find('completed') != -1 or result.stdout.find('optimizing') != -1
      retries: 60
      delay: 5
      changed_when: False
      when:
        - not ansible_check_mode
        - vol_new_size > vol_size | int