/usr/share/rubygems-integration/all/gems/vagrant-libvirt-0.0.43/lib/vagrant-libvirt/config.rb is in vagrant-libvirt 0.0.43-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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class Numeric
Alphabet = ('a'..'z').to_a
def vdev
s = ''
q = self
(q, r = (q - 1).divmod(26)) && s.prepend(Alphabet[r]) until q.zero?
'vd' + s
end
end
module VagrantPlugins
module ProviderLibvirt
class Config < Vagrant.plugin('2', :config)
# manually specify URI
# will supercede most other options if provided
attr_accessor :uri
# A hypervisor name to access via Libvirt.
attr_accessor :driver
# The name of the server, where libvirtd is running.
attr_accessor :host
# If use ssh tunnel to connect to Libvirt.
attr_accessor :connect_via_ssh
# Path towards the libvirt socket
attr_accessor :socket
# The username to access Libvirt.
attr_accessor :username
# Password for Libvirt connection.
attr_accessor :password
# ID SSH key file
attr_accessor :id_ssh_key_file
# Libvirt storage pool name, where box image and instance snapshots will
# be stored.
attr_accessor :storage_pool_name
# Turn on to prevent hostname conflicts
attr_accessor :random_hostname
# Libvirt default network
attr_accessor :management_network_name
attr_accessor :management_network_address
attr_accessor :management_network_mode
attr_accessor :management_network_mac
attr_accessor :management_network_guest_ipv6
attr_accessor :management_network_autostart
attr_accessor :management_network_pci_bus
attr_accessor :management_network_pci_slot
# Default host prefix (alternative to use project folder name)
attr_accessor :default_prefix
# Domain specific settings used while creating new domain.
attr_accessor :uuid
attr_accessor :memory
attr_accessor :memory_backing
attr_accessor :channel
attr_accessor :cpus
attr_accessor :cpu_mode
attr_accessor :cpu_model
attr_accessor :cpu_fallback
attr_accessor :cpu_features
attr_accessor :cpu_topology
attr_accessor :features
attr_accessor :numa_nodes
attr_accessor :loader
attr_accessor :boot_order
attr_accessor :machine_type
attr_accessor :machine_arch
attr_accessor :machine_virtual_size
attr_accessor :disk_bus
attr_accessor :disk_device
attr_accessor :nic_model_type
attr_accessor :nested
attr_accessor :volume_cache
attr_accessor :kernel
attr_accessor :cmd_line
attr_accessor :initrd
attr_accessor :dtb
attr_accessor :emulator_path
attr_accessor :graphics_type
attr_accessor :graphics_autoport
attr_accessor :graphics_port
attr_accessor :graphics_passwd
attr_accessor :graphics_ip
attr_accessor :video_type
attr_accessor :video_vram
attr_accessor :keymap
attr_accessor :kvm_hidden
attr_accessor :sound_type
# Sets the information for connecting to a host TPM device
# Only supports socket-based TPMs
attr_accessor :tpm_model
attr_accessor :tpm_type
attr_accessor :tpm_path
# Sets the max number of NICs that can be created
# Default set to 8. Don't change the default unless you know
# what are doing
attr_accessor :nic_adapter_count
# Storage
attr_accessor :disks
attr_accessor :cdroms
# Inputs
attr_accessor :inputs
# Channels
attr_accessor :channels
# PCI device passthrough
attr_accessor :pcis
# Random number device passthrough
attr_accessor :rng
# Watchdog device
attr_accessor :watchdog_dev
# USB device passthrough
attr_accessor :usbs
# Redirected devices
attr_accessor :redirdevs
attr_accessor :redirfilters
# smartcard device
attr_accessor :smartcard_dev
# Suspend mode
attr_accessor :suspend_mode
# Autostart
attr_accessor :autostart
# Attach mgmt network
attr_accessor :mgmt_attach
# Additional qemuargs arguments
attr_accessor :qemu_args
def initialize
@uri = UNSET_VALUE
@driver = UNSET_VALUE
@host = UNSET_VALUE
@connect_via_ssh = UNSET_VALUE
@username = UNSET_VALUE
@password = UNSET_VALUE
@id_ssh_key_file = UNSET_VALUE
@storage_pool_name = UNSET_VALUE
@random_hostname = UNSET_VALUE
@management_network_name = UNSET_VALUE
@management_network_address = UNSET_VALUE
@management_network_mode = UNSET_VALUE
@management_network_mac = UNSET_VALUE
@management_network_guest_ipv6 = UNSET_VALUE
@management_network_autostart = UNSET_VALUE
@management_network_pci_slot = UNSET_VALUE
@management_network_pci_bus = UNSET_VALUE
# Domain specific settings.
@uuid = UNSET_VALUE
@memory = UNSET_VALUE
@memory_backing = UNSET_VALUE
@cpus = UNSET_VALUE
@cpu_mode = UNSET_VALUE
@cpu_model = UNSET_VALUE
@cpu_fallback = UNSET_VALUE
@cpu_features = UNSET_VALUE
@cpu_topology = UNSET_VALUE
@features = UNSET_VALUE
@numa_nodes = UNSET_VALUE
@loader = UNSET_VALUE
@machine_type = UNSET_VALUE
@machine_arch = UNSET_VALUE
@machine_virtual_size = UNSET_VALUE
@disk_bus = UNSET_VALUE
@disk_device = UNSET_VALUE
@nic_model_type = UNSET_VALUE
@nested = UNSET_VALUE
@volume_cache = UNSET_VALUE
@kernel = UNSET_VALUE
@initrd = UNSET_VALUE
@dtb = UNSET_VALUE
@cmd_line = UNSET_VALUE
@emulator_path = UNSET_VALUE
@graphics_type = UNSET_VALUE
@graphics_autoport = UNSET_VALUE
@graphics_port = UNSET_VALUE
@graphics_ip = UNSET_VALUE
@graphics_passwd = UNSET_VALUE
@video_type = UNSET_VALUE
@video_vram = UNSET_VALUE
@sound_type = UNSET_VALUE
@keymap = UNSET_VALUE
@kvm_hidden = UNSET_VALUE
@tpm_model = UNSET_VALUE
@tpm_type = UNSET_VALUE
@tpm_path = UNSET_VALUE
@nic_adapter_count = UNSET_VALUE
# Boot order
@boot_order = []
# Storage
@disks = []
@cdroms = []
# Inputs
@inputs = UNSET_VALUE
# Channels
@channels = UNSET_VALUE
# PCI device passthrough
@pcis = UNSET_VALUE
# Random number device passthrough
@rng = UNSET_VALUE
# Watchdog device
@watchdog_dev = UNSET_VALUE
# USB device passthrough
@usbs = UNSET_VALUE
# Redirected devices
@redirdevs = UNSET_VALUE
@redirfilters = UNSET_VALUE
# smartcard device
@smartcard_dev = UNSET_VALUE
# Suspend mode
@suspend_mode = UNSET_VALUE
# Autostart
@autostart = UNSET_VALUE
# Attach mgmt network
@mgmt_attach = UNSET_VALUE
@qemu_args = []
end
def boot(device)
@boot_order << device # append
end
def _get_device(disks)
# skip existing devices and also the first one (vda)
exist = disks.collect { |x| x[:device] } + [1.vdev.to_s]
skip = 1 # we're 1 based, not 0 based...
loop do
dev = skip.vdev # get lettered device
return dev unless exist.include?(dev)
skip += 1
end
end
def _get_cdrom_dev(cdroms)
exist = Hash[cdroms.collect { |x| [x[:dev], true] }]
# hda - hdc
curr = 'a'.ord
while curr <= 'd'.ord
dev = 'hd' + curr.chr
if exist[dev]
curr += 1
next
else
return dev
end
end
# is it better to raise our own error, or let libvirt cause the exception?
raise 'Only four cdroms may be attached at a time'
end
def _generate_numa
@numa_nodes.collect { |x|
# Perform some validation of cpu values
unless x[:cpus] =~ /^\d+-\d+$/
raise 'numa_nodes[:cpus] must be in format "integer-integer"'
end
# Convert to KiB
x[:memory] = x[:memory].to_i * 1024
}
# Grab the value of the last @numa_nodes[:cpus] and verify @cpus matches
# Note: [:cpus] is zero based and @cpus is not, so we need to +1
last_cpu = @numa_nodes.last[:cpus]
last_cpu = last_cpu.scan(/\d+$/)[0]
last_cpu = last_cpu.to_i + 1
if @cpus != last_cpu.to_i
raise 'The total number of numa_nodes[:cpus] must equal config.cpus'
end
@numa_nodes
end
def cpu_feature(options = {})
if options[:name].nil? || options[:policy].nil?
raise 'CPU Feature name AND policy must be specified'
end
@cpu_features = [] if @cpu_features == UNSET_VALUE
@cpu_features.push(name: options[:name],
policy: options[:policy])
end
def cputopology(options = {})
if options[:sockets].nil? || options[:cores].nil? || options[:threads].nil?
raise 'CPU topology must have all of sockets, cores and threads specified'
end
if @cpu_topology == UNSET_VALUE
@cpu_topology = {}
end
@cpu_topology[:sockets] = options[:sockets]
@cpu_topology[:cores] = options[:cores]
@cpu_topology[:threads] = options[:threads]
end
def memorybacking(option, config = {})
case option
when :source
raise 'Source type must be specified' if config[:type].nil?
when :access
raise 'Access mode must be specified' if config[:mode].nil?
when :allocation
raise 'Allocation mode must be specified' if config[:mode].nil?
end
@memory_backing = [] if @memory_backing == UNSET_VALUE
@memory_backing.push(name: option,
config: config)
end
def input(options = {})
if options[:type].nil? || options[:bus].nil?
raise 'Input type AND bus must be specified'
end
@inputs = [] if @inputs == UNSET_VALUE
@inputs.push(type: options[:type],
bus: options[:bus])
end
def channel(options = {})
if options[:type].nil?
raise 'Channel type must be specified.'
elsif options[:type] == 'unix' && options[:target_type] == 'guestfwd'
# Guest forwarding requires a target (ip address) and a port
if options[:target_address].nil? || options[:target_port].nil? ||
options[:source_path].nil?
raise 'guestfwd requires target_address, target_port and source_path'
end
end
@channels = [] if @channels == UNSET_VALUE
@channels.push(type: options[:type],
source_mode: options[:source_mode],
source_path: options[:source_path],
target_address: options[:target_address],
target_name: options[:target_name],
target_port: options[:target_port],
target_type: options[:target_type])
end
def random(options = {})
if !options[:model].nil? && options[:model] != 'random'
raise 'The only supported rng backend is "random".'
end
@rng = {} if @rng == UNSET_VALUE
@rng[:model] = options[:model]
end
def pci(options = {})
if options[:bus].nil? || options[:slot].nil? || options[:function].nil?
raise 'Bus AND slot AND function must be specified. Check `lspci` for that numbers.'
end
@pcis = [] if @pcis == UNSET_VALUE
@pcis.push(bus: options[:bus],
slot: options[:slot],
function: options[:function])
end
def watchdog(options = {})
if options[:model].nil?
raise 'Model must be specified.'
end
if @watchdog_dev == UNSET_VALUE
@watchdog_dev = {}
end
@watchdog_dev[:model] = options[:model]
@watchdog_dev[:action] = options[:action] || 'reset'
end
def usb(options = {})
if (options[:bus].nil? || options[:device].nil?) && options[:vendor].nil? && options[:product].nil?
raise 'Bus and device and/or vendor and/or product must be specified. Check `lsusb` for these.'
end
@usbs = [] if @usbs == UNSET_VALUE
@usbs.push(bus: options[:bus],
device: options[:device],
vendor: options[:vendor],
product: options[:product],
startupPolicy: options[:startupPolicy])
end
def redirdev(options = {})
raise 'Type must be specified.' if options[:type].nil?
@redirdevs = [] if @redirdevs == UNSET_VALUE
@redirdevs.push(type: options[:type])
end
def redirfilter(options = {})
raise 'Option allow must be specified.' if options[:allow].nil?
@redirfilters = [] if @redirfilters == UNSET_VALUE
@redirfilters.push(class: options[:class] || -1,
vendor: options[:class] || -1,
product: options[:class] || -1,
version: options[:class] || -1,
allow: options[:allow])
end
def smartcard(options = {})
if options[:mode].nil?
raise 'Option mode must be specified.'
elsif options[:mode] != 'passthrough'
raise 'Currently only passthrough mode is supported!'
elsif options[:type] == 'tcp' && (options[:source_mode].nil? || options[:source_host].nil? || options[:source_service].nil?)
raise 'If using type "tcp", option "source_mode", "source_host" and "source_service" must be specified.'
end
if @smartcard_dev == UNSET_VALUE
@smartcard_dev = {}
end
@smartcard_dev[:mode] = options[:mode]
@smartcard_dev[:type] = options[:type] || 'spicevmc'
@smartcard_dev[:source_mode] = options[:source_mode] if @smartcard_dev[:type] == 'tcp'
@smartcard_dev[:source_host] = options[:source_host] if @smartcard_dev[:type] == 'tcp'
@smartcard_dev[:source_service] = options[:source_service] if @smartcard_dev[:type] == 'tcp'
end
# NOTE: this will run twice for each time it's needed- keep it idempotent
def storage(storage_type, options = {})
if storage_type == :file
if options[:device] == :cdrom
_handle_cdrom_storage(options)
else
_handle_disk_storage(options)
end
end
end
def _handle_cdrom_storage(options = {})
# <disk type="file" device="cdrom">
# <source file="/home/user/virtio-win-0.1-100.iso"/>
# <target dev="hdc"/>
# <readonly/>
# <address type='drive' controller='0' bus='1' target='0' unit='0'/>
# </disk>
#
# note the target dev will need to be changed with each cdrom drive (hdc, hdd, etc),
# as will the address unit number (unit=0, unit=1, etc)
options = {
bus: 'ide',
path: nil
}.merge(options)
cdrom = {
dev: options[:dev],
bus: options[:bus],
path: options[:path]
}
@cdroms << cdrom
end
def _handle_disk_storage(options = {})
options = {
type: 'qcow2',
size: '10G', # matches the fog default
path: nil,
bus: 'virtio'
}.merge(options)
disk = {
device: options[:device],
type: options[:type],
size: options[:size],
path: options[:path],
bus: options[:bus],
cache: options[:cache] || 'default',
allow_existing: options[:allow_existing],
shareable: options[:shareable],
serial: options[:serial]
}
@disks << disk # append
end
def qemuargs(options = {})
@qemu_args << options if options[:value]
end
# code to generate URI from a config moved out of the connect action
def _generate_uri
# builds the libvirt connection URI from the given driver config
# Setup connection uri.
uri = @driver.dup
virt_path = case uri
when 'qemu', 'openvz', 'uml', 'phyp', 'parallels', 'kvm'
'/system'
when '@en', 'esx'
'/'
when 'vbox', 'vmwarews', 'hyperv'
'/session'
else
raise "Require specify driver #{uri}"
end
if uri == 'kvm'
uri = 'qemu' # use qemu uri for kvm domain type
end
if @connect_via_ssh
uri << '+ssh://'
uri << @username + '@' if @username
uri << if @host
@host
else
'localhost'
end
else
uri << '://'
uri << @host if @host
end
uri << virt_path
uri << '?no_verify=1'
if @id_ssh_key_file
# set ssh key for access to libvirt host
uri << "\&keyfile="
# if no slash, prepend $HOME/.ssh/
@id_ssh_key_file.prepend("#{`echo ${HOME}`.chomp}/.ssh/") if @id_ssh_key_file !~ /\A\//
uri << @id_ssh_key_file
end
# set path to libvirt socket
uri << "\&socket=" + @socket if @socket
uri
end
def finalize!
@driver = 'kvm' if @driver == UNSET_VALUE
@host = nil if @host == UNSET_VALUE
@connect_via_ssh = false if @connect_via_ssh == UNSET_VALUE
@username = nil if @username == UNSET_VALUE
@password = nil if @password == UNSET_VALUE
@id_ssh_key_file = 'id_rsa' if @id_ssh_key_file == UNSET_VALUE
@storage_pool_name = 'default' if @storage_pool_name == UNSET_VALUE
@random_hostname = false if @random_hostname == UNSET_VALUE
@management_network_name = 'vagrant-libvirt' if @management_network_name == UNSET_VALUE
@management_network_address = '192.168.121.0/24' if @management_network_address == UNSET_VALUE
@management_network_mode = 'nat' if @management_network_mode == UNSET_VALUE
@management_network_mac = nil if @management_network_mac == UNSET_VALUE
@management_network_guest_ipv6 = 'yes' if @management_network_guest_ipv6 == UNSET_VALUE
@management_network_autostart = false if @management_network_autostart == UNSET_VALUE
@management_network_pci_bus = nil if @management_network_pci_bus == UNSET_VALUE
@management_network_pci_slot = nil if @management_network_pci_slot == UNSET_VALUE
# generate a URI if none is supplied
@uri = _generate_uri if @uri == UNSET_VALUE
# Domain specific settings.
@uuid = '' if @uuid == UNSET_VALUE
@memory = 512 if @memory == UNSET_VALUE
@memory_backing = [] if @memory_backing == UNSET_VALUE
@cpus = 1 if @cpus == UNSET_VALUE
@cpu_mode = 'host-model' if @cpu_mode == UNSET_VALUE
@cpu_model = if (@cpu_model == UNSET_VALUE) && (@cpu_mode == 'custom')
'qemu64'
elsif @cpu_mode != 'custom'
''
end
@cpu_topology = {} if @cpu_topology == UNSET_VALUE
@cpu_fallback = 'allow' if @cpu_fallback == UNSET_VALUE
@cpu_features = [] if @cpu_features == UNSET_VALUE
@features = ['acpi','apic','pae'] if @features == UNSET_VALUE
@numa_nodes = @numa_nodes == UNSET_VALUE ? nil : _generate_numa
@loader = nil if @loader == UNSET_VALUE
@machine_type = nil if @machine_type == UNSET_VALUE
@machine_arch = nil if @machine_arch == UNSET_VALUE
@machine_virtual_size = nil if @machine_virtual_size == UNSET_VALUE
@disk_bus = 'virtio' if @disk_bus == UNSET_VALUE
@disk_device = 'vda' if @disk_device == UNSET_VALUE
@nic_model_type = nil if @nic_model_type == UNSET_VALUE
@nested = false if @nested == UNSET_VALUE
@volume_cache = 'default' if @volume_cache == UNSET_VALUE
@kernel = nil if @kernel == UNSET_VALUE
@cmd_line = '' if @cmd_line == UNSET_VALUE
@initrd = '' if @initrd == UNSET_VALUE
@dtb = nil if @dtb == UNSET_VALUE
@graphics_type = 'vnc' if @graphics_type == UNSET_VALUE
@graphics_autoport = 'yes' if @graphics_port == UNSET_VALUE
@graphics_autoport = 'no' if @graphics_port != UNSET_VALUE
if (@graphics_type != 'vnc' && @graphics_type != 'spice') ||
@graphics_passwd == UNSET_VALUE
@graphics_passwd = nil
end
@graphics_port = -1 if @graphics_port == UNSET_VALUE
@graphics_ip = '127.0.0.1' if @graphics_ip == UNSET_VALUE
@video_type = 'cirrus' if @video_type == UNSET_VALUE
@video_vram = 9216 if @video_vram == UNSET_VALUE
@sound_type = nil if @sound_type == UNSET_VALUE
@keymap = 'en-us' if @keymap == UNSET_VALUE
@kvm_hidden = false if @kvm_hidden == UNSET_VALUE
@tpm_model = 'tpm-tis' if @tpm_model == UNSET_VALUE
@tpm_type = 'passthrough' if @tpm_type == UNSET_VALUE
@tpm_path = nil if @tpm_path == UNSET_VALUE
@nic_adapter_count = 8 if @nic_adapter_count == UNSET_VALUE
@emulator_path = nil if @emulator_path == UNSET_VALUE
# Boot order
@boot_order = [] if @boot_order == UNSET_VALUE
# Storage
@disks = [] if @disks == UNSET_VALUE
@disks.map! do |disk|
disk[:device] = _get_device(@disks) if disk[:device].nil?
disk
end
@cdroms = [] if @cdroms == UNSET_VALUE
@cdroms.map! do |cdrom|
cdrom[:dev] = _get_cdrom_dev(@cdroms) if cdrom[:dev].nil?
cdrom
end
# Inputs
@inputs = [{ type: 'mouse', bus: 'ps2' }] if @inputs == UNSET_VALUE
# Channels
@channels = [] if @channels == UNSET_VALUE
# PCI device passthrough
@pcis = [] if @pcis == UNSET_VALUE
# Random number generator passthrough
@rng = {} if @rng == UNSET_VALUE
# Watchdog device
@watchdog_dev = {} if @watchdog_dev == UNSET_VALUE
# USB device passthrough
@usbs = [] if @usbs == UNSET_VALUE
# Redirected devices
@redirdevs = [] if @redirdevs == UNSET_VALUE
@redirfilters = [] if @redirfilters == UNSET_VALUE
# smartcard device
@smartcard_dev = {} if @smartcard_dev == UNSET_VALUE
# Suspend mode
@suspend_mode = 'pause' if @suspend_mode == UNSET_VALUE
# Autostart
@autostart = false if @autostart == UNSET_VALUE
# Attach mgmt network
@mgmt_attach = true if @mgmt_attach == UNSET_VALUE
@qemu_args = [] if @qemu_args == UNSET_VALUE
end
def validate(machine)
errors = _detected_errors
machine.provider_config.disks.each do |disk|
if disk[:path] && (disk[:path][0] == '/')
errors << "absolute volume paths like '#{disk[:path]}' not yet supported"
end
end
machine.config.vm.networks.each do |_type, opts|
if opts[:mac]
opts[:mac].downcase!
if opts[:mac] =~ /\A([0-9a-f]{12})\z/
opts[:mac] = opts[:mac].scan(/../).join(':')
end
unless opts[:mac] =~ /\A([0-9a-f]{2}:){5}([0-9a-f]{2})\z/
errors << "Configured NIC MAC '#{opts[:mac]}' is not in 'xx:xx:xx:xx:xx:xx' or 'xxxxxxxxxxxx' format"
end
end
end
{ 'Libvirt Provider' => errors }
end
def merge(other)
super.tap do |result|
c = disks.dup
c += other.disks
result.disks = c
c = cdroms.dup
c += other.cdroms
result.cdroms = c
end
end
end
end
end
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