[aws|compute] describe reserved instances offerings

lib/fog/compute/aws.rb

@@ -68,6 +68,7 @@ module Fog
       request :describe_reserved_instances
       request :describe_key_pairs
       request :describe_regions
+      request :describe_reserved_instances_offerings
       request :describe_security_groups
       request :describe_snapshots
       request :describe_tags

lib/fog/compute/parsers/aws/describe_reserved_instances_offerings.rb

@@ -0,0 +1,34 @@
+module Fog
+  module Parsers
+    module AWS
+      module Compute
+
+        class DescribeReservedInstancesOfferings < Fog::Parsers::Base
+
+          def reset
+            @reserved_instances_offering = {}
+            @response = { 'reservedInstancesOfferingsSet' => [] }
+          end
+
+          def end_element(name)
+            case name
+            when 'availabilityZone', 'instanceType', 'productDescription', 'reservedInstancesOfferingId'
+              @reserved_instances_offering[name] = @value
+            when 'duration'
+              @reserved_instances_offering[name] = @value.to_i
+            when 'fixedPrice', 'usagePrice'
+              @reserved_instances_offering[name] = @value.to_f
+            when 'item'
+              @response['reservedInstancesOfferingsSet'] << @reserved_instances_offering
+              @reserved_instances_offering = {}
+            when 'requestId'
+              @response[name] = @value
+            end
+          end
+
+        end
+
+      end
+    end
+  end
+end

lib/fog/compute/requests/aws/describe_reserved_instances_offerings.rb

@@ -0,0 +1,45 @@
+module Fog
+  module AWS
+    class Compute
+      class Real
+
+        require 'fog/compute/parsers/aws/describe_reserved_instances_offerings'
+
+        # Describe all or specified reserved instances offerings
+        #
+        # ==== Parameters
+        # * filters<~Hash> - List of filters to limit results with
+        #
+        # ==== Returns
+        # * response<~Excon::Response>:
+        #   * body<~Hash>:
+        #     * 'requestId'<~String> - Id of request
+        #     * 'reservedInstancesOfferingsSet'<~Array>:
+        #       * 'availabilityZone'<~String> - availability zone of offering
+        #       * 'duration'<~Integer> - duration, in seconds, of offering
+        #       * 'fixedPrice'<~Float> - purchase price of offering
+        #       * 'instanceType'<~String> - instance type of offering
+        #       * 'productDescription'<~String> - description of offering
+        #       * 'reservedInstancesOfferingId'<~String> - id of offering
+        #       * 'usagePrice'<~Float> - usage price of offering, per hour
+        def describe_reserved_instances_offerings(filters = {})
+          params = AWS.indexed_filters(filters)
+          request({
+            'Action'    => 'DescribeReservedInstancesOfferings',
+            :idempotent => true,
+            :parser     => Fog::Parsers::AWS::Compute::DescribeReservedInstancesOfferings.new
+          }.merge!(params))
+        end
+
+      end
+
+      class Mock
+
+        def describe_reserved_instances_offerings(filters = {})
+          Fog::Mock.not_implemented
+        end
+
+      end
+    end
+  end
+end