debian-on-libvirt.yml

---

- name: Provision a CentOS VM on libvirt
  hosts: vm
  user: root
  gather_facts: no

  vars:
    vm_ipaddr: "{{ hostvars[inventory_hostname]['ansible_host'] }}"
    vm_netmask: 255.255.255.0
    vm_gateway: 192.168.23.1
    vm_dns: 192.168.23.1
    vm_base_url: http://192.168.23.1/ywww/ks/
    vm_repo_name: rhel69
    rhel_version: "6"
    force_create: false
    pxe_boot: false
    
  tasks:
  - delegate_to: "{{ on_host }}"
    block:
    - name: Set Debian boot option
      set_fact:
        vm_bootopts: "debian-installer/language=en debian-installer/country=CN debian-installer/locale=en_US.UTF-8 keyboard-configuration/xkb-keymap=us netcfg/disable_autoconfig=true netcfg/disable_dhcp=true netcfg/no_default_route=true netcfg/get_hostname={{ inventory_hostname }}  netcfg/get_domain= netcfg/get_ipaddress={{ vm_ipaddr }} netcfg/get_netmask={{ vm_netmask }} netcfg/get_gateway={{ vm_gateway }} netcfg/get_nameservers={{ vm_dns }} netcfg/confirm_static=true DEBCONF_DEBUG=5 vga=788 url={{ vm_base_url }}/{{ inventory_hostname }}.ps "
        #vm_bootopts: "auto=true priority=critical vga=788 url={{ vm_base_url }}/{{ inventory_hostname }}.ps "

    - name: Stop virtual machine
      command: virsh destroy "{{ inventory_hostname }}"
      register: commandresult
      ignore_errors: True
      when: force_create == "true"
      tags: removevm
       
    - name: Undefine virtual machine
      virt_guest: guest={{ inventory_hostname }} state=absent
      when: force_create == "true"
      ignore_errors: True
      tags: removevm
      
    - name: Delete virtual machine storage
      file:
        path:  "/y/vm/{{ inventory_hostname }}.qcow2"
        state: absent
      when: force_create == "true"
      tags: removevm
      ignore_errors: True

    - name: Allocate storage for the VM
      qemu_img:
        dest: "/y/vm/{{ inventory_hostname }}.qcow2"
        size: 20480

    - name: Create a VM definition
      template:
        src: templates/vm.xml
        dest: "/tmp/{{ inventory_hostname }}.xml"

    - name: Create the VM
      virt_guest:
        guest: "{{ inventory_hostname }}"
        src: "/tmp/{{ inventory_hostname }}.xml"
      register: guests

    - name: Create a group of unprovisioned systems
      group_by:
        key: "{{ guests.provisioning_status }}"

    - name: Create VM ks files
      template:
        src: "templates/debian9.ps"
        dest: "/y/www/ks/{{ inventory_hostname }}.ps"

    - name: Boot the VM using the PXE images
      virt_boot:
        guest: "{{ inventory_hostname }}"
        kernel: "/y/www/debian/stable/linux"
        initrd: "/y/www/debian/stable/initrd.gz"
        cmdline: "{{ vm_bootopts }}"
      when: 
        pxe_boot != "true"

    - block:
      - name: Create dnsmasq directory
        file:
          path: "/tmp/dnsmasq/tftp/pxelinux.cfg"
          state: directory

      - name: Generate dnsmasq configuration file
        template:
          src: "templates/dnsmasq.conf.t"
          dest: "/tmp/dnsmasq/dnsmasq.conf"
 
      - name: Generate default boot file
        template:
          src: "templates/pxedefault"
          dest: "/tmp/dnsmasq/tftp/pxelinux.cfg/default"
 
      - name: Copy pexlinux.0
        copy:
          src: "templates/pxelinux.0"
          dest: "/tmp/dnsmasq/tftp/pxelinux.0"
 
      - name: Copy vmlinuz file
        copy:
          src: "/y/www/yum/{{ vm_repo_name }}/images/pxeboot/vmlinuz"
          dest: "/tmp/dnsmasq/tftp/vmlinuz"
 
      - name: Copy pexlinux.0
        copy:
          src: "/y/www/yum/{{ vm_repo_name }}/images/pxeboot/initrd.img"
          dest: "/tmp/dnsmasq/tftp/initrd.img"

      - name: Boot the VM form network
        virt_boot:
          guest: "{{ inventory_hostname }}"
          boot: network
  
      when: 
         pxe_boot == "true"


    - name: Wait until the VM stops
      virt:
        name: "{{ inventory_hostname }}"
        command: status
      register: result
      until: "result.status == 'shutdown'"
      delay: 10
      retries: 120

    - name: Start the VM
      virt_boot:
        guest: "{{ inventory_hostname }}"
        boot: hd

    - name: Remove ks file
      file:
        path:  "/y/www/ks/{{ inventory_hostname }}.ks"
        state: absent

    - name: Remove ks file
      file:
        path:  "/tmp/{{ inventory_hostname }}.xml"
        state: absent