Class: VagrantPlugins::ProviderLibvirt::Action::HandleStoragePool

Inherits:
Object
  • Object
show all
Includes:
Util::ErbTemplate
Defined in:
lib/vagrant-libvirt/action/handle_storage_pool.rb

Instance Method Summary collapse

Methods included from Util::ErbTemplate

#to_xml

Constructor Details

#initialize(app, env) ⇒ HandleStoragePool

Returns a new instance of HandleStoragePool.



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# File 'lib/vagrant-libvirt/action/handle_storage_pool.rb', line 9

def initialize(app, env)
  @logger = Log4r::Logger.new("vagrant_libvirt::action::handle_storage_pool")
  @app = app
end

Instance Method Details

#call(env) ⇒ Object

Raises:



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# File 'lib/vagrant-libvirt/action/handle_storage_pool.rb', line 14

def call(env)
  # Get config options.
  config = env[:machine].provider_config

  # Check for storage pool, where box image should be created
  fog_pool = ProviderLibvirt::Util::Collection.find_matching(
    env[:libvirt_compute].pools.all, config.storage_pool_name)
  return @app.call(env) if fog_pool

  @logger.info("No storage pool '#{config.storage_pool_name}' is available.")

  # If user specified other pool than default, don't create default
  # storage pool, just write error message.
  raise Errors::NoStoragePool if config.storage_pool_name != 'default'

  @logger.info("Creating storage pool 'default'")

  # Fog libvirt currently doesn't support creating pools. Use
  # ruby-libvirt client directly.
  begin
    libvirt_pool = env[:libvirt_compute].client.create_storage_pool_xml(
      to_xml('default_storage_pool'))
  rescue => e
    raise Errors::CreatingStoragePoolError,
      :error_message => e.message
  end
  raise Errors::NoStoragePool if !libvirt_pool

  @app.call(env)
end