Class: CIMI::Service::Volume

Inherits:
Base
  • Object
show all
Defined in:
lib/cimi/service/volume.rb

Overview

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

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

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Constant Summary

Constants inherited from Base

Base::METADATA_TYPES

Constants included from Deltacloud::Helpers::Database

Deltacloud::Helpers::Database::DATABASE_COLLECTIONS

Instance Attribute Summary

Attributes inherited from Base

#context, #model

Class Method Summary collapse

Methods inherited from Base

#[], #[]=, collection_name, create_url, #destroy, #extract_properties!, inherited, #initialize, list, metadata, #model_class, model_class, model_name, parse, #ref_id, #resolve, resolve, resource_attributes, resource_capabilities, #save, #select_attributes, #to_json, #to_xml

Methods included from Deltacloud::Helpers::Database

#current_db, #current_provider, #provides?

Methods included from Deltacloud::Helpers::Drivers

#driver, #driver_class, #driver_class_name, #driver_name, #driver_source_name, #driver_symbol, included, #provider_name

Constructor Details

This class inherits a constructor from CIMI::Service::Base

Class Method Details

.all(context) ⇒ Object

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# File 'lib/cimi/service/volume.rb', line 30

def self.all(context); find(:all, context); end

.collection_for_instance(instance_id, context) ⇒ Object

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# 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) ⇒ Object

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# 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) ⇒ Object

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# 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) ⇒ Object

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# 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) ⇒ Object

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# 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) ⇒ Object

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# 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