Ansible Role kvm_host

This role installs the required packages and configures the host as a KVM host.

Runs on

RHEL 8 (and compatible)

Mandatory Requirements

Install Python 3, and the python3-libvirt and python3-lxml modules.

Tags

Tag	What it does
`kvm_host`	Install the required packages and configure the host as a KVM host

Optional Role Variables

Variable	Description	Default Value
`kvm_host__libvirt_guests_on_shutdown`	What should happen with the guests (VMs) when the host shuts down. Possible options: * `shutdown` * `suspend`	`'shutdown'`
`kvm_host__libvirt_guests_parallel_shutdown`	Number of guests will be shutdown concurrently.	`5`
`kvm_host__libvirt_guests_service_enabled`	Enables or disables the libvirt-guests service, analogous to `systemctl enable/disable --now`.	`true`
`kvm_host__libvirt_guests_shutdown_timeout`	Number of seconds we’re willing to wait for a guest to shut down.	`300`
`kvm_host__libvirtd_service_enabled`	Enables or disables the libvirtd service, analogous to `systemctl enable/disable --now`.	`true`
`kvm_host__networks`	A list of libvirt network definitions. Subkeys: * `name`: Mandatory, string. The name of the network. * `bridge`: Optional, string. If set, will be used as the network bridge. * `ip_address`: Optional, string. If set, will be used the IP address for the interface. * `subnet`: Optional, string. Subnet mask for the network. Defaults to `255.255.255.0` if the `ip_address` is set. * `dhcp_start`: Optional, string. Start of the DHCP range. Requires `dhcp_end` to be set as well. * `dhcp_end`: Optional, string. End of the DHCP range. Requires `dhcp_start` to be set as well.	`[]`
`kvm_host__pools`	A list of libvirt storage pool definitions. Currently only supports directory pools. Subkeys: * `name`: Mandatory, string. The name of the pool. Use `default` to overwrite the default pool. * `path`: Mandatory, string. Path to the directory that should be used as the storage pool.	`[]`

Example:

# optional
kvm_host__libvirt_guests_on_shutdown: 'shutdown'
kvm_host__libvirt_guests_parallel_shutdown: 5
kvm_host__libvirt_guests_service_enabled: true
kvm_host__libvirt_guests_shutdown_timeout: 300
kvm_host__libvirtd_service_enabled: true
kvm_host__networks:
  - name: 'default'
    bridge: 'virbr0'
    ip_address: '192.0.2.0.1'
    subnet: '255.255.255.0'
    dhcp_start: '192.0.2.0.10'
    dhcp_end: '192.0.2.0.254'
kvm_host__pools:
  - name: 'default'
    path: '/data/kvm/images'

License

The Unlicense

Author Information

Linuxfabrik GmbH, Zurich