[google|compute] Add Addresses support

- Add "Addresses" model and collection
- Add "list_aggregated_addresses" request
- Modify "insert" request to allow "description" property

lib/fog/google/compute.rb

@@ -10,6 +10,7 @@ class Google < Fog::Service
       request_path 'fog/google/requests/compute'
       request :list_servers
       request :list_addresses
+      request :list_aggregated_addresses
       request :list_disks
       request :list_firewalls
       request :list_images
@@ -66,6 +67,9 @@ class Google < Fog::Service
       model :disk
       collection :disks
 
+      model :address
+      collection :addresses
+
       model :operation
       collection :operations
 

lib/fog/google/models/compute/address.rb

@@ -0,0 +1,58 @@
+require 'fog/core/model'
+
+module Fog
+  module Compute
+    class Google
+
+      ##
+      # Represents an Address resource
+      #
+      # @see https://developers.google.com/compute/docs/reference/latest/addresses
+      class Address < Fog::Model
+        identity :name
+
+        attribute :kind
+        attribute :id
+        attribute :address
+        attribute :creation_timestamp, :aliases => 'creationTimestamp'
+        attribute :description
+        attribute :region
+        attribute :self_link, :aliases => 'selfLink'
+        attribute :status
+        attribute :users
+
+        IN_USE_STATE   = 'IN_USE'
+        RESERVED_STATE = 'RESERVED'
+
+        def save
+          requires :identity, :region
+
+          data = service.insert_address(identity, self.region, self.attributes)
+          operation = Fog::Compute::Google::Operations.new(:service => service).get(data.body['name'], nil, data.body['region'])
+          operation.wait_for { !pending? }
+          reload
+        end
+
+        def destroy
+          requires :identity, :region
+
+          data = service.delete_address(identity, self.region.split('/')[-1])
+          Fog::Compute::Google::Operations.new(:service => service).get(data.body['name'], nil, data.body['region'])
+        end
+
+        def reload
+          requires :identity, :region
+
+          data = collection.get(identity, self.region.split('/')[-1])
+          merge_attributes(data.attributes)
+          self
+        end
+
+        def in_use?
+          self.status == IN_USE_STATE
+        end
+      end
+
+    end
+  end
+end

lib/fog/google/models/compute/addresses.rb

@@ -0,0 +1,34 @@
+require 'fog/core/collection'
+require 'fog/google/models/compute/address'
+
+module Fog
+  module Compute
+    class Google
+
+      class Addresses < Fog::Collection
+        model Fog::Compute::Google::Address
+
+        def all(filters = {})
+          if filters[:region]
+            data = service.list_addresses(filters[:region]).body['items'] || []
+          else
+            data = []
+            service.list_aggregated_addresses.body['items'].each_value do |region|
+              data.concat(region['addresses']) if region['addresses']
+            end
+          end
+          load(data)
+        end
+
+        def get(identity, region)
+          if address = service.get_address(identity, region).body
+            new(address)
+          end
+        rescue Fog::Errors::NotFound
+          nil
+        end
+      end
+
+    end
+  end
+end

lib/fog/google/requests/compute/insert_address.rb

@@ -4,24 +4,24 @@ class Google
 
       class Mock
 
-        def insert_address(address_name, region_name)
+        def insert_address(address_name, region_name, options = {})
           Fog::Mock.not_implemented
         end
 
       end
 
       class Real
 
-        def insert_address(address_name, region_name)
+        def insert_address(address_name, region_name, options = {})
           api_method = @compute.addresses.insert
           parameters = {
             'project' => @project,
             'region' => region_name,
           }
           body_object = { 'name' => address_name }
+          body_object['description'] = options[:description] if options[:description]
 
-          result = self.build_result(api_method, parameters,
-                                     body_object=body_object)
+          result = self.build_result(api_method, parameters, body_object)
           response = self.build_response(result)
         end
       end

lib/fog/google/requests/compute/list_aggregated_addresses.rb

@@ -0,0 +1,25 @@
+module Fog
+  module Compute
+    class Google
+
+      class Mock
+        def list_aggregated_addresses
+          Fog::Mock.not_implemented
+        end
+      end
+
+      class Real
+        def list_aggregated_addresses
+          api_method = @compute.addresses.aggregated_list
+          parameters = {
+            'project' => @project,
+          }
+
+          result = self.build_result(api_method, parameters)
+          response = self.build_response(result)
+        end
+      end
+
+    end
+  end
+end