Class: VagrantPlugins::Libvirt::Action::DestroyNetworks
- Inherits:
-
Object
- Object
- VagrantPlugins::Libvirt::Action::DestroyNetworks
- Defined in:
- lib/vagrant-libvirt/action/destroy_networks.rb
Overview
Destroy all networks created for this specific domain. Skip removing if network has still active connections.
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(app, env) ⇒ DestroyNetworks
constructor
A new instance of DestroyNetworks.
Constructor Details
#initialize(app, env) ⇒ DestroyNetworks
Returns a new instance of DestroyNetworks.
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# File 'lib/vagrant-libvirt/action/destroy_networks.rb', line 11 def initialize(app, env) @logger = Log4r::Logger.new("vagrant_libvirt::action::destroy_networks") @app = app end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/vagrant-libvirt/action/destroy_networks.rb', line 16 def call(env) # If there were some networks created for this machine, in machines # data directory, created_networks file holds UUIDs of each network. created_networks_file = env[:machine].data_dir + 'created_networks' # If created_networks file doesn't exist, there are no networks we # need to remove. return @app.call(env) if not File.exist?(created_networks_file) # Iterate over each created network UUID and try to remove it. created_networks = [] file = File.open(created_networks_file, 'r') file.readlines.each do |network_uuid| begin libvirt_network = env[:libvirt_compute].client.lookup_network_by_uuid( network_uuid) rescue next end # Maybe network doesn't exist anymore. next if not libvirt_network # Skip removing if network has still active connections. xml = Nokogiri::XML(libvirt_network.xml_desc) connections = xml.xpath('/network/@connections').first if connections != nil created_networks << network_uuid next end # Shutdown network first. begin libvirt_network.destroy rescue => e end # Undefine network. begin libvirt_network.undefine rescue => e raise Error::DestroyNetworkError, :network_name => libvirt_network.name, :error_message => e. end end file.close # Update status of created networks after removing some/all of them. if created_networks.length > 0 File.open(created_networks_file, 'w') do |file| created_networks.each do |network_uuid| file.puts network_uuid end end else File.delete(created_networks_file) end @app.call(env) end |