libvirt-playbooks/manage_host_vms.yml at main · jeffdyoung/libvirt-playbooks · GitHub

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---
# Unified VM Management Playbook
# This playbook consolidates VM creation and configuration
#
# Usage modes:
#   1. Create single VM from command line:
#      ansible-playbook -i inventory manage_host_vms.yml -e "vm_name=myvm"
#
#   2. Create multiple VMs from inventory (YAML format):
#      ansible-playbook -i inventory.yml manage_host_vms.yml
#
#   3. Create VMs from host_vars:
#      ansible-playbook -i inventory manage_host_vms.yml -l hostname
#
#   4. Skip configuration:
#      ansible-playbook -i inventory manage_host_vms.yml --skip-tags configure
#
#   5. Only configure existing VMs:
#      ansible-playbook -i inventory manage_host_vms.yml --tags configure
#

- name: Create and configure VMs
  hosts: libvirt_hosts
  become: false
  gather_facts: true
  tasks:
    # Normalize VM input: convert single VM to list format
    - name: Build unified VM list
      ansible.builtin.set_fact:
        vms_to_create: >-
          {{
            [{'name': vm_name,
              'memory': vm_memory_mb | default(2048),
              'vcpus': vm_vcpus | default(2),
              'disk_size': vm_disk_size_gb | default(20),
              'autostart': vm_autostart | default(false)}]
            if vm_name is defined
            else (vms | default([]))
          }}
      tags:
        - always

    - name: Display execution mode
      ansible.builtin.debug:
        msg: |
          Host: {{ inventory_hostname }}
          Mode: {{ 'Single VM (command-line)' if vm_name is defined else 'Multiple VMs (inventory)' }}
          VMs to process: {{ vms_to_create | map(attribute='name') | list }}
          Total count: {{ vms_to_create | length }}
      tags:
        - always

    # Handle case where no VMs defined
    - name: Check if VMs are defined
      when: vms_to_create | length == 0
      block:
        - name: No VMs to create
          ansible.builtin.debug:
            msg: |
              No VMs defined for host {{ inventory_hostname }}.

              To create VMs, use one of these methods:
              1. Command-line: -e "vm_name=myvm"
              2. Inventory: Define 'vms' list in inventory.yml
              3. Host vars: Create host_vars/{{ inventory_hostname }}.yml with 'vms' list
          tags:
            - always

        - name: Skip host with no VM definitions
          ansible.builtin.meta: end_host
          tags:
            - always

    # Unified VM creation - handles both single and multiple VMs
    - name: Create VMs
      ansible.builtin.include_role:
        name: vm-create
      vars:
        vm_name: "{{ item.name }}"
        vm_memory_mb: "{{ item.memory | default(2048) }}"
        vm_vcpus: "{{ item.vcpus | default(2) }}"
        vm_disk_size_gb: "{{ item.disk_size | default(20) }}"
        vm_autostart: "{{ item.autostart | default(false) }}"
        vm_networks: "{{ item.networks | default([]) }}"
      loop: "{{ vms_to_create }}"
      loop_control:
        label: "{{ item.name }}"
      register: vm_creation_results
      tags:
        - create

    - name: Add created VMs to dynamic group for configuration
      ansible.builtin.add_host:
        name: "{{ item.item.name }}"
        groups: vms_to_configure
        ansible_host: "{{ item.vm_ip_result.stdout | default('') }}"
      loop: "{{ vm_creation_results.results | default([]) }}"
      loop_control:
        label: "{{ item.item.name }}"
      when:
        - item.vm_ip_result is defined
        - item.vm_ip_result.stdout is defined
        - item.vm_ip_result.stdout | length > 0
      tags:
        - create

    - name: Display creation summary
      ansible.builtin.debug:
        msg: |
          VM creation completed for {{ inventory_hostname }}
          Total VMs created: {{ vms_to_create | length }}
          VMs: {{ vms_to_create | map(attribute='name') | list | join(', ') }}
      tags:
        - create

# Optional: Configure created VMs
# This section can be skipped with --skip-tags configure
- name: Configure created VMs
  hosts: vms_to_configure
  gather_facts: true
  tasks:
    - name: Display configuration target
      ansible.builtin.debug:
        msg: "Configuring VM: {{ inventory_hostname }} at {{ ansible_host }}"
      tags:
        - configure

    - name: Wait for VM to be accessible via SSH
      ansible.builtin.wait_for:
        host: "{{ ansible_host }}"
        port: 22
        timeout: 300
        state: started
      delegate_to: localhost
      when: ansible_host is defined and ansible_host | length > 0
      tags:
        - configure

    - name: Configure VM
      ansible.builtin.include_role:
        name: vm-configure
      when: ansible_host is defined and ansible_host | length > 0
      tags:
        - configure

    - name: Display configuration complete
      ansible.builtin.debug:
        msg: "VM {{ inventory_hostname }} configured successfully"
      tags:
        - configure