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

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

Constant Summary collapse

@@lock = 
Mutex.new

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 11

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

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-libvirt/action/handle_storage_pool.rb', line 16

def call(env)
  @@lock.synchronize do
    # 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.define_storage_pool_xml(
        to_xml('default_storage_pool'))
      libvirt_pool.build
      libvirt_pool.create
    rescue => e
      raise Errors::CreatingStoragePoolError,
        :error_message => e.message
    end
    raise Errors::NoStoragePool if !libvirt_pool
  end

  @app.call(env)
end