Class: VagrantPlugins::ProviderLibvirt::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-libvirt/config.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Config

Returns a new instance of Config.



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# File 'lib/vagrant-libvirt/config.rb', line 118

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

  # Domain specific settings.
  @uuid              = UNSET_VALUE
  @memory            = UNSET_VALUE
  @cpus              = UNSET_VALUE
  @cpu_mode          = UNSET_VALUE
  @cpu_model         = UNSET_VALUE
  @cpu_fallback      = UNSET_VALUE
  @cpu_features      = UNSET_VALUE
  @loader            = UNSET_VALUE
  @machine_type      = UNSET_VALUE
  @machine_arch      = UNSET_VALUE
  @machine_virtual_size = UNSET_VALUE
  @disk_bus          = 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
  @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

  # PCI device passthrough
  @pcis              = UNSET_VALUE

  # USB device passthrough
  @usbs              = UNSET_VALUE

  # Suspend mode
  @suspend_mode      = UNSET_VALUE

  # Autostart
  @autostart         = UNSET_VALUE
end

Instance Attribute Details

#autostart ⇒ Object

Autostart



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# File 'lib/vagrant-libvirt/config.rb', line 116

def autostart
  @autostart
end

#boot_order ⇒ Object

Returns the value of attribute boot_order.



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# File 'lib/vagrant-libvirt/config.rb', line 65

def boot_order
  @boot_order
end

#cdroms ⇒ Object

Returns the value of attribute cdroms.



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# File 'lib/vagrant-libvirt/config.rb', line 101

def cdroms
  @cdroms
end

#cmd_line ⇒ Object

Returns the value of attribute cmd_line.



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# File 'lib/vagrant-libvirt/config.rb', line 74

def cmd_line
  @cmd_line
end

#connect_via_ssh ⇒ Object

If use ssh tunnel to connect to Libvirt.



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# File 'lib/vagrant-libvirt/config.rb', line 26

def connect_via_ssh
  @connect_via_ssh
end

#cpu_fallback ⇒ Object

Returns the value of attribute cpu_fallback.



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# File 'lib/vagrant-libvirt/config.rb', line 62

def cpu_fallback
  @cpu_fallback
end

#cpu_features ⇒ Object

Returns the value of attribute cpu_features.



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# File 'lib/vagrant-libvirt/config.rb', line 63

def cpu_features
  @cpu_features
end

#cpu_mode ⇒ Object

Returns the value of attribute cpu_mode.



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# File 'lib/vagrant-libvirt/config.rb', line 60

def cpu_mode
  @cpu_mode
end

#cpu_model ⇒ Object

Returns the value of attribute cpu_model.



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# File 'lib/vagrant-libvirt/config.rb', line 61

def cpu_model
  @cpu_model
end

#cpus ⇒ Object

Returns the value of attribute cpus.



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# File 'lib/vagrant-libvirt/config.rb', line 59

def cpus
  @cpus
end

#default_prefix ⇒ Object

Default host prefix (alternative to use project folder name)



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# File 'lib/vagrant-libvirt/config.rb', line 54

def default_prefix
  @default_prefix
end

#disk_bus ⇒ Object

Returns the value of attribute disk_bus.



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# File 'lib/vagrant-libvirt/config.rb', line 69

def disk_bus
  @disk_bus
end

#disks ⇒ Object

Storage



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# File 'lib/vagrant-libvirt/config.rb', line 100

def disks
  @disks
end

#driver ⇒ Object

A hypervisor name to access via Libvirt.



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# File 'lib/vagrant-libvirt/config.rb', line 20

def driver
  @driver
end

#dtb ⇒ Object

Returns the value of attribute dtb.



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# File 'lib/vagrant-libvirt/config.rb', line 76

def dtb
  @dtb
end

#emulator_path ⇒ Object

Returns the value of attribute emulator_path.



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# File 'lib/vagrant-libvirt/config.rb', line 77

def emulator_path
  @emulator_path
end

#graphics_autoport ⇒ Object

Returns the value of attribute graphics_autoport.



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# File 'lib/vagrant-libvirt/config.rb', line 79

def graphics_autoport
  @graphics_autoport
end

#graphics_ip ⇒ Object

Returns the value of attribute graphics_ip.



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# File 'lib/vagrant-libvirt/config.rb', line 82

def graphics_ip
  @graphics_ip
end

#graphics_passwd ⇒ Object

Returns the value of attribute graphics_passwd.



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# File 'lib/vagrant-libvirt/config.rb', line 81

def graphics_passwd
  @graphics_passwd
end

#graphics_port ⇒ Object

Returns the value of attribute graphics_port.



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# File 'lib/vagrant-libvirt/config.rb', line 80

def graphics_port
  @graphics_port
end

#graphics_type ⇒ Object

Returns the value of attribute graphics_type.



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# File 'lib/vagrant-libvirt/config.rb', line 78

def graphics_type
  @graphics_type
end

#host ⇒ Object

The name of the server, where libvirtd is running.



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# File 'lib/vagrant-libvirt/config.rb', line 23

def host
  @host
end

#id_ssh_key_file ⇒ Object

ID SSH key file



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# File 'lib/vagrant-libvirt/config.rb', line 37

def id_ssh_key_file
  @id_ssh_key_file
end

#initrd ⇒ Object

Returns the value of attribute initrd.



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# File 'lib/vagrant-libvirt/config.rb', line 75

def initrd
  @initrd
end

#inputs ⇒ Object

Inputs



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# File 'lib/vagrant-libvirt/config.rb', line 104

def inputs
  @inputs
end

#kernel ⇒ Object

Returns the value of attribute kernel.



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# File 'lib/vagrant-libvirt/config.rb', line 73

def kernel
  @kernel
end

#keymap ⇒ Object

Returns the value of attribute keymap.



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# File 'lib/vagrant-libvirt/config.rb', line 85

def keymap
  @keymap
end

#kvm_hidden ⇒ Object

Returns the value of attribute kvm_hidden.



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# File 'lib/vagrant-libvirt/config.rb', line 86

def kvm_hidden
  @kvm_hidden
end

#loader ⇒ Object

Returns the value of attribute loader.



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# File 'lib/vagrant-libvirt/config.rb', line 64

def loader
  @loader
end

#machine_arch ⇒ Object

Returns the value of attribute machine_arch.



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# File 'lib/vagrant-libvirt/config.rb', line 67

def machine_arch
  @machine_arch
end

#machine_type ⇒ Object

Returns the value of attribute machine_type.



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# File 'lib/vagrant-libvirt/config.rb', line 66

def machine_type
  @machine_type
end

#machine_virtual_size ⇒ Object

Returns the value of attribute machine_virtual_size.



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# File 'lib/vagrant-libvirt/config.rb', line 68

def machine_virtual_size
  @machine_virtual_size
end

#management_network_address ⇒ Object

Returns the value of attribute management_network_address.



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# File 'lib/vagrant-libvirt/config.rb', line 48

def management_network_address
  @management_network_address
end

#management_network_guest_ipv6 ⇒ Object

Returns the value of attribute management_network_guest_ipv6.



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# File 'lib/vagrant-libvirt/config.rb', line 51

def management_network_guest_ipv6
  @management_network_guest_ipv6
end

#management_network_mac ⇒ Object

Returns the value of attribute management_network_mac.



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# File 'lib/vagrant-libvirt/config.rb', line 50

def management_network_mac
  @management_network_mac
end

#management_network_mode ⇒ Object

Returns the value of attribute management_network_mode.



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# File 'lib/vagrant-libvirt/config.rb', line 49

def management_network_mode
  @management_network_mode
end

#management_network_name ⇒ Object

Libvirt default network



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# File 'lib/vagrant-libvirt/config.rb', line 47

def management_network_name
  @management_network_name
end

#memory ⇒ Object

Returns the value of attribute memory.



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# File 'lib/vagrant-libvirt/config.rb', line 58

def memory
  @memory
end

#nested ⇒ Object

Returns the value of attribute nested.



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# File 'lib/vagrant-libvirt/config.rb', line 71

def nested
  @nested
end

#nic_adapter_count ⇒ Object

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



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# File 'lib/vagrant-libvirt/config.rb', line 97

def nic_adapter_count
  @nic_adapter_count
end

#nic_model_type ⇒ Object

Returns the value of attribute nic_model_type.



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# File 'lib/vagrant-libvirt/config.rb', line 70

def nic_model_type
  @nic_model_type
end

#password ⇒ Object

Password for Libvirt connection.



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# File 'lib/vagrant-libvirt/config.rb', line 34

def password
  @password
end

#pcis ⇒ Object

PCI device passthrough



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# File 'lib/vagrant-libvirt/config.rb', line 107

def pcis
  @pcis
end

#random_hostname ⇒ Object

Turn on to prevent hostname conflicts



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# File 'lib/vagrant-libvirt/config.rb', line 44

def random_hostname
  @random_hostname
end

#socket ⇒ Object

Path towards the libvirt socket



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# File 'lib/vagrant-libvirt/config.rb', line 28

def socket
  @socket
end

#storage_pool_name ⇒ Object

Libvirt storage pool name, where box image and instance snapshots will be stored.



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# File 'lib/vagrant-libvirt/config.rb', line 41

def storage_pool_name
  @storage_pool_name
end

#suspend_mode ⇒ Object

Suspend mode



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# File 'lib/vagrant-libvirt/config.rb', line 113

def suspend_mode
  @suspend_mode
end

#tpm_model ⇒ Object

Sets the information for connecting to a host TPM device Only supports socket-based TPMs



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# File 'lib/vagrant-libvirt/config.rb', line 90

def tpm_model
  @tpm_model
end

#tpm_path ⇒ Object

Returns the value of attribute tpm_path.



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# File 'lib/vagrant-libvirt/config.rb', line 92

def tpm_path
  @tpm_path
end

#tpm_type ⇒ Object

Returns the value of attribute tpm_type.



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# File 'lib/vagrant-libvirt/config.rb', line 91

def tpm_type
  @tpm_type
end

#uri ⇒ Object

manually specify URI will supercede most other options if provided



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# File 'lib/vagrant-libvirt/config.rb', line 17

def uri
  @uri
end

#usbs ⇒ Object

USB device passthrough



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# File 'lib/vagrant-libvirt/config.rb', line 110

def usbs
  @usbs
end

#username ⇒ Object

The username to access Libvirt.



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# File 'lib/vagrant-libvirt/config.rb', line 31

def username
  @username
end

#uuid ⇒ Object

Domain specific settings used while creating new domain.



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# File 'lib/vagrant-libvirt/config.rb', line 57

def uuid
  @uuid
end

#video_type ⇒ Object

Returns the value of attribute video_type.



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# File 'lib/vagrant-libvirt/config.rb', line 83

def video_type
  @video_type
end

#video_vram ⇒ Object

Returns the value of attribute video_vram.



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# File 'lib/vagrant-libvirt/config.rb', line 84

def video_vram
  @video_vram
end

#volume_cache ⇒ Object

Returns the value of attribute volume_cache.



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# File 'lib/vagrant-libvirt/config.rb', line 72

def volume_cache
  @volume_cache
end

Instance Method Details

#_generate_uri ⇒ Object

code to generate URI from a config moved out of the connect action



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# File 'lib/vagrant-libvirt/config.rb', line 352

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://'
    if @username
      uri << @username + '@'
    end

    if @host
      uri << @host
    else
      uri << '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
  return uri
end

#_get_cdrom_dev(cdroms) ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 210

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

#_get_device(disks) ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 197

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...
  while true do
    dev = skip.vdev	# get lettered device
    if !exist.include?(dev)
      return dev
    end
    skip+=1
  end
end

#_handle_cdrom_storage(options = {}) ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 303

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 = {
    :dev => self._get_cdrom_dev(@cdroms),
    :bus => "ide",
    :path => nil,
  }.merge(options)

  cdrom = {
    :dev => options[:dev],
    :bus => options[:bus],
    :path => options[:path]
  }

  @cdroms << cdrom
end

#_handle_disk_storage(options = {}) ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 329

def _handle_disk_storage(options={})
  options = {
    :device => _get_device(@disks),
    :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],
  }

  @disks << disk	# append
end

#boot(device) ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 193

def boot(device)
  @boot_order << device	# append
end

#cpu_feature(options = {}) ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 228

def cpu_feature(options={})
  if options[:name].nil? || options[:policy].nil?
    raise 'CPU Feature name AND policy must be specified'
  end

  if @cpu_features == UNSET_VALUE
    @cpu_features = []
  end

  @cpu_features.push({
    name:   options[:name],
    policy: options[:policy]
  })
end

#finalize! ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 401

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

  # 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
  @cpus = 1 if @cpus == UNSET_VALUE
  @cpu_mode = 'host-model' if @cpu_mode == UNSET_VALUE
  @cpu_model = 'qemu64' if @cpu_model == UNSET_VALUE
  @cpu_fallback = 'allow' if @cpu_fallback == UNSET_VALUE
  @cpu_features = [] if @cpu_features == UNSET_VALUE
  @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
  @nic_model_type = 'virtio' 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 = 5900 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
  @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
  @cdroms = [] if @cdroms == UNSET_VALUE

  # Inputs
  @inputs = [{:type => "mouse", :bus => "ps2"}] if @inputs == UNSET_VALUE

  # PCI device passthrough
  @pcis = [] if @pcis == UNSET_VALUE

  # USB device passthrough
  @usbs = [] if @usbs == UNSET_VALUE

  # Suspend mode
  @suspend_mode = "pause" if @suspend_mode == UNSET_VALUE

  # Autostart
  @autostart = false if @autostart == UNSET_VALUE
end

#input(options = {}) ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 243

def input(options={})
  if options[:type].nil? || options[:bus].nil?
    raise 'Input type AND bus must be specified'
  end

  if @inputs == UNSET_VALUE
    @inputs = []
  end

  @inputs.push({
    type: options[:type],
    bus:  options[:bus]
  })
end

#merge(other) ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 493

def merge(other)
  super.tap do |result|
    c = disks.dup
    c += other.disks
    result.disks = c
  end
end

#pci(options = {}) ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 258

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

  if @pcis == UNSET_VALUE
    @pcis = []
  end

  @pcis.push({
    bus:       options[:bus],
    slot:      options[:slot],
    function:  options[:function]
  })
end

#storage(storage_type, options = {}) ⇒ Object

NOTE: this will run twice for each time it’s needed- keep it idempotent



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# File 'lib/vagrant-libvirt/config.rb', line 293

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

#usb(options = {}) ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 274

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

  if @usbs == UNSET_VALUE
    @usbs = []
  end

  @usbs.push({
    bus:           options[:bus],
    device:        options[:device],
    vendor:        options[:vendor],
    product:       options[:product],
    startupPolicy: options[:startupPolicy],
  })
end

#validate(machine) ⇒ Object 



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# File 'lib/vagrant-libvirt/config.rb', line 481

def validate(machine)
  errors = _detected_errors

  machine.provider_config.disks.each do |disk|
    if disk[:path] and disk[:path][0] == '/'
      errors << "absolute volume paths like '#{disk[:path]}' not yet supported"
    end
  end

   { "Libvirt Provider" => errors }
end