/usr/share/rubygems-integration/all/gems/vagrant-libvirt-0.0.43/lib/vagrant-libvirt/action/create_network_interfaces.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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 | require 'log4r'
require 'vagrant/util/network_ip'
require 'vagrant/util/scoped_hash_override'
module VagrantPlugins
module ProviderLibvirt
module Action
# Create network interfaces for domain, before domain is running.
# Networks for connecting those interfaces should be already prepared.
class CreateNetworkInterfaces
include VagrantPlugins::ProviderLibvirt::Util::ErbTemplate
include VagrantPlugins::ProviderLibvirt::Util::NetworkUtil
include Vagrant::Util::NetworkIP
include Vagrant::Util::ScopedHashOverride
def initialize(app, env)
@logger = Log4r::Logger.new('vagrant_libvirt::action::create_network_interfaces')
@management_network_name = env[:machine].provider_config.management_network_name
config = env[:machine].provider_config
@nic_model_type = config.nic_model_type || 'virtio'
@nic_adapter_count = config.nic_adapter_count
@app = app
end
def call(env)
# Get domain first.
begin
domain = env[:machine].provider.driver.connection.client.lookup_domain_by_uuid(
env[:machine].id.to_s
)
rescue => e
raise Errors::NoDomainError,
error_message: e.message
end
# Setup list of interfaces before creating them.
adapters = []
# Vagrant gives you adapter 0 by default
# Assign interfaces to slots.
configured_networks(env, @logger).each do |options|
# dont need to create interface for this type
next if options[:iface_type] == :forwarded_port
# TODO: fill first ifaces with adapter option specified.
if options[:adapter]
if adapters[options[:adapter]]
raise Errors::InterfaceSlotNotAvailable
end
free_slot = options[:adapter].to_i
@logger.debug "Using specified adapter slot #{free_slot}"
else
free_slot = find_empty(adapters)
@logger.debug "Adapter not specified so found slot #{free_slot}"
raise Errors::InterfaceSlotExhausted if free_slot.nil?
end
# We have slot for interface, fill it with interface configuration.
adapters[free_slot] = options
adapters[free_slot][:network_name] = interface_network(
env[:machine].provider.driver.connection.client, adapters[free_slot]
)
end
# Create each interface as new domain device.
@macs_per_network = Hash.new(0)
adapters.each_with_index do |iface_configuration, slot_number|
@iface_number = slot_number
@network_name = iface_configuration[:network_name]
@source_options = {
network: @network_name
}
@mac = iface_configuration.fetch(:mac, false)
@model_type = iface_configuration.fetch(:model_type, @nic_model_type)
@driver_name = iface_configuration.fetch(:driver_name, false)
@driver_queues = iface_configuration.fetch(:driver_queues, false)
@device_name = iface_configuration.fetch(:iface_name, false)
@mtu = iface_configuration.fetch(:mtu, nil)
@pci_bus = iface_configuration.fetch(:bus, nil)
@pci_slot = iface_configuration.fetch(:slot, nil)
template_name = 'interface'
# Configuration for public interfaces which use the macvtap driver
if iface_configuration[:iface_type] == :public_network
@device = iface_configuration.fetch(:dev, 'eth0')
@mode = iface_configuration.fetch(:mode, 'bridge')
@type = iface_configuration.fetch(:type, 'direct')
@model_type = iface_configuration.fetch(:model_type, @nic_model_type)
@driver_name = iface_configuration.fetch(:driver_name, false)
@driver_queues = iface_configuration.fetch(:driver_queues, false)
@portgroup = iface_configuration.fetch(:portgroup, nil)
@network_name = iface_configuration.fetch(:network_name, @network_name)
template_name = 'public_interface'
@logger.info("Setting up public interface using device #{@device} in mode #{@mode}")
@ovs = iface_configuration.fetch(:ovs, false)
@trust_guest_rx_filters = iface_configuration.fetch(:trust_guest_rx_filters, false)
# configuration for udp or tcp tunnel interfaces (p2p conn btwn guest OSes)
elsif iface_configuration.fetch(:tunnel_type, nil)
@type = iface_configuration.fetch(:tunnel_type)
@tunnel_port = iface_configuration.fetch(:tunnel_port, nil)
raise Errors::TunnelPortNotDefined if @tunnel_port.nil?
if @type == 'udp'
# default udp tunnel source to 127.0.0.1
@udp_tunnel={
address: iface_configuration.fetch(:tunnel_local_ip,'127.0.0.1'),
port: iface_configuration.fetch(:tunnel_local_port)
}
end
# default mcast tunnel to 239.255.1.1. Web search says this
# 239.255.x.x is a safe range to use for general use mcast
default_ip = if @type == 'mcast'
'239.255.1.1'
else
'127.0.0.1'
end
@source_options = {
address: iface_configuration.fetch(:tunnel_ip, default_ip),
port: @tunnel_port
}
@tunnel_type = iface_configuration.fetch(:model_type, @nic_model_type)
@driver_name = iface_configuration.fetch(:driver_name, false)
@driver_queues = iface_configuration.fetch(:driver_queues, false)
template_name = 'tunnel_interface'
@logger.info("Setting up #{@type} tunnel interface using #{@tunnel_ip} port #{@tunnel_port}")
end
message = "Creating network interface eth#{@iface_number}"
message << " connected to network #{@network_name}."
if @mac
@mac = @mac.scan(/(\h{2})/).join(':')
message << " Using MAC address: #{@mac}"
end
@logger.info(message)
begin
# FIXME: all options for network driver should be hash from Vagrantfile
driver_options = {}
driver_options[:name] = @driver_name if @driver_name
driver_options[:queues] = @driver_queues if @driver_queues
@udp_tunnel ||= {}
xml = if template_name == 'interface' or
template_name == 'tunnel_interface'
interface_xml(@type,
@source_options,
@mac,
@device_name,
@iface_number,
@model_type,
@mtu,
driver_options,
@udp_tunnel,
@pci_bus,
@pci_slot)
else
to_xml(template_name)
end
domain.attach_device(xml)
rescue => e
raise Errors::AttachDeviceError,
error_message: e.message
end
# Re-read the network configuration and grab the MAC address
if iface_configuration[:iface_type] == :public_network
xml = Nokogiri::XML(domain.xml_desc)
source = "@network='#{@network_name}'"
if @type == 'direct'
source = "@dev='#{@device}'"
elsif @portgroup.nil?
source = "@bridge='#{@device}'"
end
if not @mac
macs = xml.xpath("/domain/devices/interface[source[#{source}]]/mac/@address")
@mac = macs[@macs_per_network[source]]
iface_configuration[:mac] = @mac.to_s
end
@macs_per_network[source] += 1
end
end
# Continue the middleware chain.
@app.call(env)
if env[:machine].config.vm.box
# Configure interfaces that user requested. Machine should be up and
# running now.
networks_to_configure = []
adapters.each_with_index do |options, slot_number|
# Skip configuring the management network, which is on the first interface.
# It's used for provisioning and it has to be available during provisioning,
# ifdown command is not acceptable here.
next if slot_number.zero?
next if options[:auto_config] === false
@logger.debug "Configuring interface slot_number #{slot_number} options #{options}"
network = {
interface: slot_number,
use_dhcp_assigned_default_route: options[:use_dhcp_assigned_default_route],
mac_address: options[:mac]
}
if options[:ip]
network = {
type: :static,
ip: options[:ip],
netmask: options[:netmask],
gateway: options[:gateway]
}.merge(network)
else
network[:type] = :dhcp
end
# do not run configure_networks for tcp tunnel interfaces
next if options.fetch(:tunnel_type, nil)
networks_to_configure << network
end
env[:ui].info I18n.t('vagrant.actions.vm.network.configuring')
env[:machine].guest.capability(
:configure_networks, networks_to_configure
)
end
end
private
def target_dev_name(device_name, type, iface_number)
if device_name
device_name
elsif type == 'network'
"vnet#{iface_number}"
else
# TODO can we use same name vnet#ifnum?
#"tnet#{iface_number}" FIXME plugin vagrant-libvirt trying to create second tnet0 interface
"vnet#{iface_number}"
end
end
def interface_xml(type, source_options, mac, device_name,
iface_number, model_type, mtu, driver_options,
udp_tunnel={}, pci_bus, pci_slot)
Nokogiri::XML::Builder.new do |xml|
xml.interface(type: type || 'network') do
xml.source(source_options) do
xml.local(udp_tunnel) if type == 'udp'
end
xml.mac(address: mac) if mac
xml.target(dev: target_dev_name(device_name, type, iface_number))
xml.alias(name: "net#{iface_number}")
xml.model(type: model_type.to_s)
xml.mtu(size: Integer(mtu)) if mtu
xml.driver(driver_options)
xml.address(type: 'pci', bus: pci_bus, slot: pci_slot) if pci_bus and pci_slot
end
end.to_xml(
save_with: Nokogiri::XML::Node::SaveOptions::NO_DECLARATION |
Nokogiri::XML::Node::SaveOptions::NO_EMPTY_TAGS |
Nokogiri::XML::Node::SaveOptions::FORMAT
)
end
def find_empty(array, start = 0, stop = @nic_adapter_count)
(start..stop).each do |i|
return i unless array[i]
end
nil
end
# Return network name according to interface options.
def interface_network(libvirt_client, options)
# no need to get interface network for tcp tunnel config
return 'tunnel_interface' if options.fetch(:tunnel_type, nil)
if options[:network_name]
@logger.debug 'Found network by name'
return options[:network_name]
end
# Get list of all (active and inactive) libvirt networks.
available_networks = libvirt_networks(libvirt_client)
return 'public' if options[:iface_type] == :public_network
if options[:ip]
address = network_address(options[:ip], options[:netmask])
available_networks.each do |network|
if address == network[:network_address]
@logger.debug 'Found network by ip'
return network[:name]
end
end
end
raise Errors::NetworkNotAvailableError, network_name: options[:ip]
end
end
end
end
end
|