Class: Fog::Libvirt::Compute::Server

Inherits:
Compute::Server
  • Object
show all
Includes:
Util
Defined in:
lib/fog/libvirt/models/compute/server.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util

#randomized_name, #to_xml, #xml_element, #xml_elements

Constructor Details

#initialize(attributes = {}) ⇒ Server

Can be created by passing in :xml => “<xml to create domain/server>” or by providing :template_options => {

             :name => "", :cpus => 1, :memory_size => 256 , :volume_template
}



50
51
52
53
54
55
56
57
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 50

def initialize(attributes={} )
  @xml = attributes.delete(:xml)
  verify_boot_order(attributes[:boot_order])
  super defaults.merge(attributes)
  initialize_nics
  initialize_volumes
  @user_data = attributes.delete(:user_data)
end

Instance Attribute Details

#iso_dir ⇒ Object

The following attributes are only needed when creating a new vm TODO: Add depreciation warning



39
40
41
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 39

def iso_dir
  @iso_dir
end

#iso_file ⇒ Object

The following attributes are only needed when creating a new vm TODO: Add depreciation warning



39
40
41
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 39

def iso_file
  @iso_file
end

#network_bridge_name ⇒ Object

Returns the value of attribute network_bridge_name.



40
41
42
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 40

def network_bridge_name
  @network_bridge_name
end

#network_interface_type ⇒ Object

Returns the value of attribute network_interface_type.



40
41
42
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 40

def network_interface_type
  @network_interface_type
end

#network_nat_network ⇒ Object

Returns the value of attribute network_nat_network.



40
41
42
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 40

def network_nat_network
  @network_nat_network
end

#password ⇒ Object

Returns the value of attribute password.



42
43
44
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 42

def password
  @password
end

#user_data ⇒ Object

Returns the value of attribute user_data.



43
44
45
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 43

def user_data
  @user_data
end

#volume_allocation ⇒ Object

Returns the value of attribute volume_allocation.



41
42
43
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 41

def volume_allocation
  @volume_allocation
end

#volume_capacity ⇒ Object

Returns the value of attribute volume_capacity.



41
42
43
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 41

def volume_capacity
  @volume_capacity
end

#volume_format_type ⇒ Object

Returns the value of attribute volume_format_type.



41
42
43
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 41

def volume_format_type
  @volume_format_type
end

#volume_name ⇒ Object

Returns the value of attribute volume_name.



41
42
43
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 41

def volume_name
  @volume_name
end

#volume_path ⇒ Object

Returns the value of attribute volume_path.



41
42
43
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 41

def volume_path
  @volume_path
end

#volume_pool_name ⇒ Object

Returns the value of attribute volume_pool_name.



41
42
43
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 41

def volume_pool_name
  @volume_pool_name
end

#volume_template_name ⇒ Object

Returns the value of attribute volume_template_name.



41
42
43
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 41

def volume_template_name
  @volume_template_name
end

#xml ⇒ Object (readonly)

Returns the value of attribute xml.



10
11
12
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 10

def xml
  @xml
end

Instance Method Details

#cloud_init_volume_name ⇒ Object 



262
263
264
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 262

def cloud_init_volume_name
  "#{name}-cloud-init.iso"
end

#create_user_data_iso ⇒ Object 



253
254
255
256
257
258
259
260
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 253

def create_user_data_iso
  generate_config_iso(user_data) do |iso|
    vol = service.volumes.create(:name => cloud_init_volume_name, :capacity => "#{File.size(iso)}b", :allocation => "0G")
    vol.upload_image(iso)
    @iso_file = cloud_init_volume_name
    @iso_dir = File.dirname(vol.path) if vol.path
  end
end

#destroy(options = { :destroy_volumes => false}) ⇒ Object 



93
94
95
96
97
98
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 93

def destroy(options={ :destroy_volumes => false})
  poweroff unless stopped?
  service.vm_action(uuid, :undefine)
  volumes.each { |vol| vol.destroy } if options[:destroy_volumes]
  true
end

#disk_path ⇒ Object 



89
90
91
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 89

def disk_path
  volumes.first.path if volumes and volumes.first
end

#generate_config_iso(user_data, &blk) ⇒ Object 



236
237
238
239
240
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 236

def generate_config_iso(user_data, &blk)
  Dir.mktmpdir('config') do |wd|
    generate_config_iso_in_dir(wd, user_data, &blk)
  end
end

#generate_config_iso_in_dir(dir_path, user_data, &blk) ⇒ Object 



242
243
244
245
246
247
248
249
250
251
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 242

def generate_config_iso_in_dir(dir_path, user_data, &blk)
  FileUtils.touch(File.join(dir_path, "meta-data"))
  File.open(File.join(dir_path, 'user-data'), 'w') { |f| f.write user_data }

  isofile = Tempfile.new(['init', '.iso']).path
  unless system("genisoimage -output #{isofile} -volid cidata -joliet -rock #{File.join(dir_path, 'user-data')} #{File.join(dir_path, 'meta-data')}")
    raise Fog::Errors::Error.new("Couldn't generate cloud-init iso disk with genisoimage.")
  end
  blk.call(isofile)
end

#mac ⇒ Object 



85
86
87
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 85

def mac
  nics.first.mac if nics && nics.first
end

#new? ⇒ Boolean

Returns:

  • (Boolean) 


59
60
61
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 59

def new?
  uuid.nil?
end

#poweroff ⇒ Object Also known as: halt 



106
107
108
109
110
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 106

def poweroff
  action_status = service.vm_action(uuid, :destroy)
  reload
  action_status
end

#private_ip_address ⇒ Object 



149
150
151
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 149

def private_ip_address
  ip_address(:private)
end

#public_ip_address ⇒ Object 



153
154
155
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 153

def public_ip_address
  ip_address(:public)
end

#ready? ⇒ Boolean

Returns:

  • (Boolean) 


134
135
136
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 134

def ready?
  state == "running"
end

#reboot ⇒ Object 



100
101
102
103
104
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 100

def reboot
  action_status = service.vm_action(uuid, :reboot)
  reload
  action_status
end

#resume ⇒ Object 



118
119
120
121
122
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 118

def resume
  action_status = service.vm_action(uuid, :resume)
  reload
  action_status
end

#save ⇒ Object 



63
64
65
66
67
68
69
70
71
72
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 63

def save
  raise Fog::Errors::Error.new('Saving an existing server may create a duplicate') unless new?
  create_or_clone_volume unless xml or @volumes
  create_user_data_iso if user_data
  @xml ||= to_xml
  self.id = (persistent ? service.define_domain(xml) : service.create_domain(xml)).uuid
  reload
rescue => e
  raise Fog::Errors::Error.new("Error saving the server: #{e}")
end

#scp(local_path, remote_path, upload_options = {}) ⇒ Object

Transfers a file



181
182
183
184
185
186
187
188
189
190
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 181

def scp(local_path, remote_path, upload_options = {})
  requires :ssh_ip_address, :username

  scp_options = {}
  scp_options[:password] = password unless self.password.nil?
  scp_options[:key_data] = [private_key] if self.private_key
  scp_options[:proxy]= ssh_proxy unless self.ssh_proxy.nil?

  Fog::SCP.new(ssh_ip_address, username, scp_options).upload(local_path, remote_path, upload_options)
end

#setup(credentials = {}) ⇒ Object

Sets up a new key



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
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 193

def setup(credentials = {})
  requires :public_key, :ssh_ip_address, :username

  credentials[:proxy]= ssh_proxy unless ssh_proxy.nil?
  credentials[:password] = password unless self.password.nil?
  credentials[:key_data] = [private_key] if self.private_key

  commands = [
    %{mkdir .ssh},
    #              %{passwd -l #{username}}, #Not sure if we need this here
    #              %{echo "#{Fog::JSON.encode(attributes)}" >> ~/attributes.json}
  ]
  if public_key
    commands << %{echo "#{public_key}" >> ~/.ssh/authorized_keys}
  end

  # wait for domain to be ready
  Timeout::timeout(360) do
    begin
      Timeout::timeout(8) do
        Fog::SSH.new(ssh_ip_address, username, credentials.merge(:timeout => 4)).run('pwd')
      end
    rescue Errno::ECONNREFUSED
      sleep(2)
      retry
    rescue Net::SSH::AuthenticationFailed, Timeout::Error
      retry
    end
  end
  Fog::SSH.new(ssh_ip_address, username, credentials).run(commands)
end

#shutdown ⇒ Object Also known as: stop 



112
113
114
115
116
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 112

def shutdown
  action_status = service.vm_action(uuid, :shutdown)
  reload
  action_status
end

#ssh(commands) ⇒ Object 



157
158
159
160
161
162
163
164
165
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 157

def ssh(commands)
  requires :ssh_ip_address, :username

  ssh_options={}
  ssh_options[:password] = password unless password.nil?
  ssh_options[:proxy]= ssh_proxy unless ssh_proxy.nil?

  super(commands, ssh_options)
end

#ssh_proxy ⇒ Object 



167
168
169
170
171
172
173
174
175
176
177
178
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 167

def ssh_proxy
  begin
    require 'net/ssh/proxy/command'
  rescue LoadError
    Fog::Logger.warning("'net/ssh' missing, please install and try again.")
    exit(1)
  end
  # if this is a direct connection, we don't need a proxy to be set.
  return nil unless connection.uri.ssh_enabled?
  user_string= service.uri.user ? "-l #{service.uri.user}" : ""
  Net::SSH::Proxy::Command.new("ssh #{user_string} #{service.uri.host} nc %h %p")
end

#start ⇒ Object 



74
75
76
77
78
79
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 74

def start
  return true if active?
  action_status = service.vm_action(uuid, :create)
  reload
  action_status
end

#stopped? ⇒ Boolean

Returns:

  • (Boolean) 


130
131
132
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 130

def stopped?
  state == "shutoff"
end

#suspend ⇒ Object 



124
125
126
127
128
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 124

def suspend
  action_status = service.vm_action(uuid, :suspend)
  reload
  action_status
end

#update_autostart(value) ⇒ Object 



81
82
83
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 81

def update_autostart(value)
  service.update_autostart(uuid, value)
end

#update_display(attrs = {}) ⇒ Object 



225
226
227
228
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 225

def update_display attrs = {}
  service.update_display attrs.merge(:uuid => uuid)
  reload
end

#vnc_port ⇒ Object

can’t use deprecate method, as the value is part of the display hash



231
232
233
234
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 231

def vnc_port
  Fog::Logger.deprecation("#{self.class} => #vnc_port is deprecated, use #display[:port] instead [light_black](#{caller.first})[/]")
  display[:port]
end

#volumes ⇒ Object 



144
145
146
147
 
# File 'lib/fog/libvirt/models/compute/server.rb', line 144

def volumes
  # lazy loading of volumes
  @volumes ||= (@volumes_path || []).map{|path| service.volumes.all(:path => path).first }
end