class CIMI::Service::Volume

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http://www.apache.org/licenses/LICENSE-2.0

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Public Class Methods

all(context) click to toggle source
# File lib/cimi/service/volume.rb, line 30
def self.all(context); find(:all, context); end
collection_for_instance(instance_id, context) click to toggle source
# File lib/cimi/service/volume.rb, line 64
def self.collection_for_instance(instance_id, context)
  instance = context.driver.instance(context.credentials, :id => instance_id)
  volumes = instance.storage_volumes.map do |mappings|
    mappings.keys.map do |volume_id|
      from_storage_volume(context.driver.storage_volume(context.credentials, :id => volume_id), context)
    end
  end.flatten
  CIMI::Service::VolumeCollection.new(context, :values => {
    :id => context.url("/machines/#{instance_id}/volumes"),
    :name => 'default',
    :count => volumes.size,
    :description => "Volume collection for Machine #{instance_id}",
    :entries => volumes
  })
end
delete!(id, context) click to toggle source
# File lib/cimi/service/volume.rb, line 32
def self.delete!(id, context)
  context.driver.destroy_storage_volume(context.credentials, {:id=>id} )
  new(context, :values => { :id => id }).destroy
end
find(id, context) click to toggle source
# File lib/cimi/service/volume.rb, line 18
def self.find(id, context)
  creds = context.credentials
  if id == :all
    volumes = context.driver.storage_volumes(creds)
    volumes.collect{ |volume| from_storage_volume(volume, context) }
  else
    volume = context.driver.storage_volumes(creds, :id => id).first
    raise CIMI::Model::NotFound unless volume
    from_storage_volume(volume, context)
  end
end
find_to_attach_from_json(json_in, context) click to toggle source
# File lib/cimi/service/volume.rb, line 37
def self.find_to_attach_from_json(json_in, context)
  json = JSON.parse(json_in)
  json["volumes"].map{|v| {:volume=>self.find(v["volume"]["href"].split("/volumes/").last, context),
                           :initial_location=>v["initialLocation"]  }}
end
find_to_attach_from_xml(xml_in, context) click to toggle source
# File lib/cimi/service/volume.rb, line 43
def self.find_to_attach_from_xml(xml_in, context)
  xml = XmlSimple.xml_in(xml_in)
  xml["volume"].map{|v| {:volume => self.find(v["href"].split("/volumes/").last, context),
                         :initial_location=>v["initialLocation"] }}
end
from_storage_volume(volume, context) click to toggle source
# File lib/cimi/service/volume.rb, line 49
def self.from_storage_volume(volume, context)
  self.new(context, :values => {
    :name => volume.name || volume.id,
    :created => volume.created.nil? ? nil : Time.parse(volume.created).xmlschema,
    :id => context.volume_url(volume.id),
    :capacity => context.to_kibibyte(volume.capacity, 'GB'),
    :bootable => "false", #fixme ... will vary... ec2 doesn't expose this
    :snapshots => [], #fixme...
    :type => 'http://schemas.dmtf.org/cimi/1/mapped',
    :state => volume.state == 'IN-USE' ? 'AVAILABLE' : volume.state,
    :meters => [],
    :operations => [{:href=> context.volume_url(volume.id), :rel => "delete"}]
  })
end