Class: VagrantPlugins::ProviderLibvirt::Action::DestroyDomain

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

Instance Method Summary collapse

Constructor Details

#initialize(app, _env) ⇒ DestroyDomain

Returns a new instance of DestroyDomain.



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# File 'lib/vagrant-libvirt/action/destroy_domain.rb', line 7

def initialize(app, _env)
  @logger = Log4r::Logger.new('vagrant_libvirt::action::destroy_domain')
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-libvirt/action/destroy_domain.rb', line 12

def call(env)
  # Destroy the server, remove the tracking ID
  env[:ui].info(I18n.t('vagrant_libvirt.destroy_domain'))

  # Must delete any snapshots before domain can be destroyed
  # Fog libvirt currently doesn't support snapshots. Use
  # ruby-libvirt client directly. Note this is racy, see
  # http://www.libvirt.org/html/libvirt-libvirt.html#virDomainSnapshotListNames
  libvirt_domain = env[:machine].provider.driver.connection.client.lookup_domain_by_uuid(
    env[:machine].id
  )
  begin
    libvirt_domain.list_snapshots.each do |name|
      @logger.info("Deleting snapshot '#{name}'")
      begin
        libvirt_domain.lookup_snapshot_by_name(name).delete
      rescue => e
        raise Errors::DeleteSnapshotError, error_message: e.message
      end
    end
  rescue
    # Some drivers (xen) don't support getting list of snapshots,
    # not much can be done here about it
    @logger.warn("Failed to get list of snapshots")
  end

  # must remove managed saves
  libvirt_domain.managed_save_remove if libvirt_domain.has_managed_save?

  domain = env[:machine].provider.driver.connection.servers.get(env[:machine].id.to_s)

  if env[:machine].provider_config.disks.empty? &&
     env[:machine].provider_config.cdroms.empty?
    # if using default configuration of disks and cdroms
    # cdroms are consider volumes, but cannot be destroyed
    domain.destroy(destroy_volumes: true)
  else
    domain.destroy(destroy_volumes: false)

    env[:machine].provider_config.disks.each do |disk|
      # shared disks remove only manually or ???
      next if disk[:allow_existing]
      diskname = libvirt_domain.name + '-' + disk[:device] + '.' + disk[:type].to_s
      # diskname is unique
      libvirt_disk = domain.volumes.select do |x|
        x.name == diskname
      end.first
      if libvirt_disk
        libvirt_disk.destroy
      elsif disk[:path]
        poolname = env[:machine].provider_config.storage_pool_name
        libvirt_disk = domain.volumes.select do |x|
          # FIXME: can remove pool/target.img and pool/123/target.img
          x.path =~ /\/#{disk[:path]}$/ && x.pool_name == poolname
        end.first
        libvirt_disk.destroy if libvirt_disk
      end
    end

    # remove root storage
    root_disk = domain.volumes.select do |x|
      x.name == libvirt_domain.name + '.img'
    end.first
    root_disk.destroy if root_disk
  end

  @app.call(env)
end