Class: CIMI::Model::Volume

Inherits:
Base show all
Defined in:
lib/cimi/models/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 included from Deltacloud::Helpers::Database

Deltacloud::Helpers::Database::DATABASE_COLLECTIONS

Constants inherited from Resource

Resource::CMWG_NAMESPACE

Instance Attribute Summary

Attributes inherited from Resource

#attribute_values

Class Method Summary collapse

Methods inherited from Base

#[]=, #destroy, #extract_properties!, #initialize, #ref_id, #save

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

Methods included from CollectionMethods

#acts_as_root_entity, #all, #collection_class, #collection_class=, #list

Methods included from Helpers::SelectBaseMethods

#select_attributes

Methods inherited from Resource

#[], #[]=, add_attributes!, all_uri, #base_id, base_schema, base_schema_cloned?, clone_base_schema, from_json, from_xml, inherited, #initialize, parse, #prepare, required_attributes, resource_uri, to_json, #to_json, to_xml, #to_xml, #validate!, xml_tag_name

Methods included from Schema::DSL

#array, #collection, #hash, #href, #ref, #resource_attr, #scalar, #struct, #text

Methods included from Helpers::FilterResourceMethods

#filter_by, #parse_filter_opts

Methods included from Helpers::SelectResourceMethods

#select_by, #select_by_arr_index, #select_by_arr_range

Constructor Details

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

Class Method Details

.all(context) ⇒ Object 



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# File 'lib/cimi/models/volume.rb', line 52

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

.collection_for_instance(instance_id, context) ⇒ Object 



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# File 'lib/cimi/models/volume.rb', line 85

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 { |volume_id| from_storage_volume(context.driver.storage_volume(context.credentials, :id => volume_id), context) }
  end.flatten
  CIMI::Model::VolumeCollection.new(
    :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/models/volume.rb', line 54

def self.delete!(id, context)
  context.driver.destroy_storage_volume(context.credentials, {:id=>id} )
  new(:id => id).destroy
end

.find(id, context) ⇒ Object 



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# File 'lib/cimi/models/volume.rb', line 40

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/models/volume.rb', line 59

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/models/volume.rb', line 65

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/models/volume.rb', line 71

def self.from_storage_volume(volume, context)
  self.new( { :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