Class: CIMI::Model::MachineImage

Inherits:
Base show all
Defined in:
lib/cimi/models/machine_image.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

acts_as_root_entity, all, #filter_attributes, list

Methods included from Deltacloud::Helpers::Database

#current_db, #current_provider, #delete_attributes_for, #extract_attribute_value, #get_entity, #load_attributes_for, #provides?, #store_attributes_for, #test_environment?

Methods included from Deltacloud::Helpers::Drivers

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

Methods inherited from Resource

<<, #[], #[]=, add_attributes!, all_uri, base_schema, base_schema_cloned?, clone_base_schema, #filter_by, #filter_by_arr_index, #filter_by_arr_range, from_json, from_xml, inherited, #initialize, parse, #prepare, resource_uri, #to_json, to_json, #to_xml, to_xml, xml_tag_name

Methods included from Schema::DSL

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

Constructor Details

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

Class Method Details

.create(request_body, context) ⇒ Object 



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# File 'lib/cimi/models/machine_image.rb', line 55

def self.create(request_body, context)
  # The 'imageLocation' attribute is mandatory in CIMI, however in Deltacloud
  # there is no way how to figure out from what Machine the MachineImage was
  # created from. For that we need to store this attribute in properties.
  #
  if context.grab_content_type(context.request.content_type, request_body) == :xml
    input = XmlSimple.xml_in(request_body.read, {"ForceArray"=>false,"NormaliseSpace"=>2})
    raise 'imageLocation attribute is mandatory' unless input['imageLocation']
    input['property'] ||= {}
    input['property'].kind_of?(Array) ?
      input['property'] << { 'image_location' => input['imageLocation'] } : input['property'].merge!('image_location' => input['imageLocation'])
  else
    input = JSON.parse(request_body.read)
    raise 'imageLocation attribute is mandatory' unless input['imageLocation']
    input['properties'] ||= []
    input['properties'] << { 'image_location' => input['imageLocation'] }
  end
  params = {:id => context.href_id(input["imageLocation"], :machines), :name=>input["name"], :description=>input["description"]}
  image = context.driver.create_image(context.credentials, params)
  store_attributes_for(image, input)
  from_image(image, context)
end

.delete!(image_id, context) ⇒ Object 



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# File 'lib/cimi/models/machine_image.rb', line 78

def self.delete!(image_id, context)
  context.driver.destroy_image(context.credentials, image_id)
  delete_attributes_for(::Image.new(:id => image_id))
end

.find(id, context) ⇒ Object 



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# File 'lib/cimi/models/machine_image.rb', line 29

def self.find(id, context)
  images = []
  if id == :all
    images = context.driver.images(context.credentials)
    images.map { |image| from_image(image, context) }
  else
    image = context.driver.image(context.credentials, :id => id)
    from_image(image, context)
  end
end

.from_image(image, context) ⇒ Object 



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

def self.from_image(image, context)
  stored_attributes = load_attributes_for(image)
  self.new(
    :id => context.machine_image_url(image.id),
    :name => stored_attributes[:name] || image.id,
    :description => stored_attributes[:description] || image.description,
    :state => image.state || 'UNKNOWN',
    :type => "IMAGE",
    :created => image.creation_time.nil? ? Time.now.xmlschema : Time.parse(image.creation_time.to_s).xmlschema,
    :image_location => (stored_attributes[:property] && stored_attributes[:property]['image_location']) ?
      stored_attributes[:property].delete('image_location') : 'unknown',
    :property => stored_attributes[:property]
  )
end