static-ip.yml

---
# https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/virtualization_deployment_and_administration_guide/sect-managing_guest_virtual_machines_with_virsh-managing_virtual_networks#static-ip-address

- name: stop the VM
  virt:
    name: "{{ vm.name }}"
    command: destroy

- name: "write tmp network settings for {{ vm.name }}"
  template:
    src: ifcfg-eth0.static
    dest: "/tmp/ifcfg-eth0-{{ vm.name }}"

- name: sysprep image
  command: >
    virt-sysprep -d {{ vm.name }} --hostname {{ vm.name }}  --upload /tmp/ifcfg-eth0-{{ vm.name }}:/etc/sysconfig/network-scripts/ifcfg-eth0 --operations defaults,-user-account,-ssh-userdir,-ssh-hostkeys

- name: get mac-address of VM
  shell: "virsh domiflist {{ vm.name }} | awk '{ print $5 }' | tail -n +3 | head -n -1"
  register: vm_mac
  until: "vm_mac.stdout != ''"

- set_fact:
    mac_address: "{{ vm_mac.stdout }}"

- debug:
    msg: "{{ mac_address }}"

# should be safe to remove _any_ existing host DHCP record
# since we would have a conflict on hostnames before this 
- name: get xml line of ip if it exist
  shell: "virsh net-dumpxml {{ vm.network }} | grep {{ vm.ip_address }}"
  register: netxml
  failed_when: false
  ignore_errors: true

- name: delete existing record
  command: 'virsh net-update --network mgmt --command delete --section ip-dhcp-host --xml "{{ netxml.stdout | trim }}" --config --live'
  when: 'netxml.stdout != ""'

- name: add static ip address
  command: "virsh net-update {{ vm.network }} add ip-dhcp-host \"<host mac='{{ mac_address }}' name='{{ vm.name }}' ip='{{ vm.ip_address }}'/>\" --live --config"

- name: start the VM
  virt:
    name: "{{ vm.name }}"
    command: start

- name: ensure VM is present in inventory
  lineinfile: 
    path: "{{ inventory_dir }}/connections"
    line: "{{ vm.name }} ansible_host='{{ vm.ip_address }}'"
  delegate_to: localhost
  become: false

- name: add VM to in-memory inventory
  add_host:
    hostname: "{{ vm.name }}"
    ansible_host: "{{ vm.ip_address }}"
    groups:
    - vms