airshipctl/roles/libvirt-domain/defaults/main.yaml

---

# The default directory in which to store VM console logs, if a VM-specific log
# file path is not given.
libvirt_vm_default_console_log_dir: "/var/log/libvirt-consoles"

# The default location for libvirt images
libvirt_volume_default_images_path: '/var/lib/libvirt/images'

# Default type for Libvirt volumes
libvirt_volume_default_type: volume

# The default format for Libvirt volumes.
libvirt_volume_default_format: qcow2

# The default device for Libvirt volumes.
libvirt_volume_default_device: disk

# CPU architecture.
libvirt_vm_arch: x86_64

# Virtualisation engine. If not set, the role will attempt to auto-detect the
# optimal engine to use.
libvirt_vm_engine:

# Path to emulator binary. If not set, the role will attempt to auto-detect the
# correct emulator to use.
libvirt_vm_emulator:

# Default value for clock syncing. The default (false) uses <clock sync="localtime">
# to configure the instances clock synchronisation. Change to a timezone to make
# configuration use <clock offset="specified offset">
libvirt_vm_clock_offset: False

# A list of specifications of VMs to be created.
# For backwards compatibility, libvirt_vms defaults to a singleton list using
# the values of the deprecated variables below.
# See README.md or tasks/main.yaml for these attributes' defaults.
libvirt_domain:
      # State of the VM. May be 'present' or 'absent'.
      state: "{{ libvirt_vm_state }}"

      # Name of the VM.
      name: "{{ libvirt_vm_name }}"

      # Memory in MB.
      memory_mb: "{{ libvirt_vm_memory_mb }}"

      # Number of vCPUs.
      vcpus: "{{ libvirt_vm_vcpus }}"

      # Virtual machine type.
      machine: "{{ libvirt_vm_machine }}"

      # Virtual machine CPU mode.
      cpu_mode: "{{ libvirt_vm_cpu_mode | default(libvirt_cpu_mode_default, true) }}"

      # List of volumes.
      volumes: "{{ libvirt_vm_volumes }}"

      # What time should the clock be synced to on boot (utc/localtime/timezone/variable)
      clock_offset: "localtime"

      # List of network interfaces.
      interfaces: "{{ libvirt_vm_interfaces }}"

      # Path to console log file.
      console_log_path: "{{ libvirt_vm_console_log_path }}"

      # XML template file to source domain definition
      xml_file: vm.xml.j2

# Variables to add to the enviroment that is used to execute virsh commands
libvirt_vm_virsh_default_env: "{{  { 'LIBVIRT_DEFAULT_URI': libvirt_vm_uri } if libvirt_vm_uri else {} }}"

# Override for the libvirt connection uri. Leave unset to use the default.
libvirt_vm_uri: ""

# Default CPU mode if libvirt_vm_cpu_mode or vm.cpu_mode is undefined
libvirt_cpu_mode_default: "{{ 'host-passthrough' if libvirt_vm_engine == 'kvm' else 'host-model' }}"

libvirt_domain_template_default: |
      <domain type='{{ libvirt_vm_engine }}'>
      <name>{{ libvirt_domain.name }}</name>
      <memory>{{ libvirt_domain.memory_mb | int * 1024 }}</memory>
      <vcpu>{{ libvirt_domain.vcpus }}</vcpu>
      {% if libvirt_domain.clock_offset |default( libvirt_vm_clock_offset ) %}
      <clock offset="{{ libvirt_domain.clock_offset }}"/>
      {% else %}
      <clock sync="localtime"/>
      {% endif %}
      <on_poweroff>destroy</on_poweroff>
      <on_reboot>restart</on_reboot>
      <on_crash>destroy</on_crash>
      <os>
      <type arch='{{ libvirt_vm_arch }}'{% if machine is not none %} machine='{{ machine }}'{% endif %}>hvm</type>
      <bootmenu enable='no'/>
      <boot dev='hd'/>
      <boot dev='cdrom'/>
      <boot dev='network'/>
      <bios useserial='yes'/>
      </os>
      <features>
      <acpi/>
      <apic/>
      <pae/>
      </features>
      {% if cpu_mode %}
      <cpu mode='{{ cpu_mode }}'>
      <model fallback='allow'/>
      </cpu>
      {% endif %}
      <devices>
      <emulator>{{ libvirt_vm_emulator }}</emulator>
      {% for volume in volumes %}
      <disk type='{{ volume.type | default(libvirt_volume_default_type) }}' device='{{ volume.device | default(libvirt_volume_default_device) }}'>
      <driver name='qemu' type='{{ volume.format | default(libvirt_volume_default_format) }}'/>
      {% if volume.type | default(libvirt_volume_default_type) == 'file' %}
      <source file='{{ volume.file_path |default(libvirt_volume_default_images_path) }}/{{ volume.name}}'/>
      {% else %}
      <source pool='{{ volume.pool }}' volume='{{ volume.name }}'/>
      {% endif %}
      {% if volume.target is undefined %}
      <target dev='vd{{ 'abcdefghijklmnopqrstuvwxyz'[loop.index - 1] }}'/>
      {% else %}
      <target dev='{{ volume.target }}' />
      {% endif %}
      </disk>
      {% endfor %}
      {% for interface in interfaces %}
      {% if interface.type is defined and interface.type == 'direct' %}
      <interface type='direct'>
      <source dev='{{ interface.source.dev }}' mode='{{ interface.source.mode | default('vepa') }}'/>
      {% elif interface.type is defined and interface.type == 'bridge' %}
      <interface type='bridge'>
      <source bridge='{{ interface.source.dev }}'/>
      {% elif interface.type is not defined or interface.type == 'network' %}
      <interface type='network'>
      <source network='{{ interface.network }}'/>
      {% endif %}
      {% if interface.mac is defined %}
      <mac address='{{ interface.mac }}'/>
      {% endif %}
      {# if the network configuration is invalid this can still appear in the xml #}
      {# (say you enter 'bond' instead of 'bridge' in your variables) #}
      <model type='virtio'/>
      </interface>
      {% endfor %}
      {% if console_log_enabled | bool %}
      <serial type='file'>
      <source path='{{ console_log_path }}'/>
      </serial>
      <serial type='pty'/>
      <console type='file'>
      <source path='{{ console_log_path }}'/>
      <target type='serial'/>
      </console>
      {% else %}
      <serial type='pty'>
      <target port='0'/>
      </serial>
      <console type='pty'>
      <target type='serial' port='0'/>
      </console>
      {% endif %}
      {% if enable_vnc |bool %}
      <graphics type='vnc' autoport='yes' listen='0.0.0.0'>
      <listen type='address' address='0.0.0.0'/>
      </graphics>
      {% endif %}
      <rng model="virtio"><backend model="random">/dev/urandom</backend></rng>
      </devices>
      </domain>