expand-disk-vmware.yml

- name: Expand disk on VMware Windows VM
  hosts: all
  vars:
    disk_fullness_percentage_threshold: 80
    disk_fullness_percentage: "{{ 100 - (100*(free_drive_space_before|int)/(total_size_before|int))|int }}"

  tasks:
    - name: get total size
      win_shell: (Get-WmiObject -Class Win32_logicaldisk).Size
      register: drive_total_size

    - name: set total size
      set_fact:
        total_size_before: "{{ ((drive_total_size.stdout)|int / (1024*1024*1024)) | round(2, 'floor') }}"

    - name: get drive space
      win_shell: Get-PSDrive C | Select-Object Free | ConvertTo-Json
      register: drive_space

    - name: set free drive space
      set_fact:
        free_drive_space_before: "{{ ((drive_space.stdout | from_json)['Free']|int / (1024*1024*1024)) | round(2, 'floor') }}"

    - debug:
        msg: "free drive space:  {{ free_drive_space_before }} GB ({{ 100 - disk_fullness_percentage|int }}% of total space)"

    - debug:
        msg: "{{ total_size_before|int|round + 5 }}"

    - block:
        - name: expand vm disk to {{ total_size_before|int|round + 5 }}
          vmware_guest:
            hostname: "{{ lookup('env', 'VMWARE_HOST')|default(providers.vcenter.hostname) }}"
            username: "{{ lookup('env', 'VMWARE_USER')|default(providers.vcenter.username) }}"
            password: "{{ lookup('env', 'VMWARE_PASSWORD')|default(providers.vcenter.password) }}"
            validate_certs: no
            name: "{{ config.name }}"
            disk:
              - size_gb: "{{ total_size_before|int|round + 5 }}"
                autoselect_datastore: yes
          delegate_to: localhost
          vars:
            ansible_connection: local

        - name: expand file system
          win_shell: Resize-Partition -DriveLetter c -Size  (Get-PartitionSupportedSize -DriveLetter c).sizeMax -ErrorAction SilentlyContinue

        - name: get drive space
          win_shell: Get-PSDrive C | Select-Object Free | ConvertTo-Json
          register: drive_space_after_expansion

        - name: set free drive space after expansion
          set_fact:
            free_drive_space_after: "{{ ((drive_space_after_expansion.stdout | from_json)['Free']|int / (1024*1024*1024)) | round(2, 'floor') }}"

        - debug:
            msg: "free drive space:  {{ free_drive_space_after }} GB"
      when: disk_fullness_percentage|int > disk_fullness_percentage_threshold|int