Adding support for AWS CloudFormation list_stacks and list_stack_resources API calls

lib/fog/aws/cloud_formation.rb

@@ -17,6 +17,8 @@ module Fog
       request :describe_stacks
       request :get_template
       request :validate_template
+      request :list_stacks
+      request :list_stack_resources
 
       class Mock
 

lib/fog/aws/parsers/cloud_formation/list_stack_resources.rb

@@ -0,0 +1,32 @@
+module Fog
+  module Parsers
+    module AWS
+      module CloudFormation
+
+        class ListStackResources < Fog::Parsers::Base
+
+          def reset
+            @resource = {}
+            @response = { 'StackResourceSummaries' => [] }
+          end
+
+          def end_element(name)
+            case name
+            when 'ResourceStatus', 'LogicalResourceId', 'PhysicalResourceId', 'ResourceType'
+              @resource[name] = value
+            when 'member'
+              @response['StackResourceSummaries'] << @resource
+              @resource = {}
+            when 'LastUpdatedTimestamp'
+              @resource[name] = Time.parse(value)
+            when 'RequestId'
+              @response[name] = value
+            when 'NextToken'
+              @response[name] = value
+            end
+          end
+        end
+      end
+    end
+  end
+end

lib/fog/aws/parsers/cloud_formation/list_stacks.rb

@@ -0,0 +1,34 @@
+module Fog
+  module Parsers
+    module AWS
+      module CloudFormation
+
+        class ListStacks < Fog::Parsers::Base
+
+          def reset
+            @stack = {}
+            @response = { 'StackSummaries' => [] }
+          end
+
+          def end_element(name)
+            case name
+            when 'StackId', 'StackStatus', 'StackName', 'TemplateDescription'
+              @stack[name] = value
+            when 'member'
+              @response['StackSummaries'] << @stack
+              @stack = {}
+            when 'RequestId'
+              @response[name] = value
+            when 'CreationTime'
+              @stack[name] = Time.parse(value)
+            when 'DeletionTime'
+              @stack[name] = Time.parse(value)
+            when 'NextToken'
+              @response[name] = value
+            end
+          end
+        end
+      end
+    end
+  end
+end

lib/fog/aws/requests/cloud_formation/list_stack_resources.rb

@@ -0,0 +1,36 @@
+module Fog
+  module AWS
+    class CloudFormation
+      class Real
+
+        require 'fog/aws/parsers/cloud_formation/list_stack_resources'
+
+        # List stack resources.
+        # 
+        # @param options [Hash]
+        # @option options StackName [String] Name of the stack to describe.
+        #
+        # @return [Excon::Response]
+        #   * body [Hash]:
+        #     * StackResourceSummaries [Array] - Matching stacks
+        #       * resources [Hash]:
+        #         * ResourceStatus [String] -
+        #         * LogicalResourceId [String] -
+        #         * PhysicalResourceId [String] -
+        #         * ResourceType [String] -
+        #         * LastUpdatedTimestamp [Time] -
+        #
+        #
+        # @see http://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListStacks.html
+        
+        def list_stack_resources(options = {})
+          request({
+            'Action'    => 'ListStackResources',
+            :parser     => Fog::Parsers::AWS::CloudFormation::ListStackResources.new
+          }.merge!(options))
+        end
+
+      end
+    end
+  end
+end

lib/fog/aws/requests/cloud_formation/list_stacks.rb

@@ -0,0 +1,37 @@
+module Fog
+  module AWS
+    class CloudFormation
+      class Real
+
+        require 'fog/aws/parsers/cloud_formation/list_stacks'
+
+        # List stacks.
+        # 
+        # @param options [Hash]
+        #
+        # @return [Excon::Response]
+        #   * body [Hash]:
+        #     * StackSummaries [Array] - Matching stacks
+        #       * stack [Hash]:
+        #         * StackId [String] -
+        #         * StackName [String] -
+        #         * TemplateDescription [String] -
+        #         * CreationTime [Time] -
+        #         * DeletionTime [Time] -
+        #         * StackStatus [String] -
+        #         * DeletionTime [String] -
+        #
+        #
+        # @see http://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListStacks.html
+        
+        def list_stacks(options = {})
+          request({
+            'Action'    => 'ListStacks',
+            :parser     => Fog::Parsers::AWS::CloudFormation::ListStacks.new
+          }.merge!(options))
+        end
+
+      end
+    end
+  end
+end

tests/aws/requests/cloud_formation/stack_tests.rb

@@ -144,6 +144,16 @@ Shindo.tests('AWS::CloudFormation | stack requests', ['aws', 'cloudformation'])
       Fog::AWS[:cloud_formation].delete_stack(@stack_name)
     end
 
+    tests("list_stacks").succeeds do
+      pending if Fog.mocking?
+      Fog::AWS[:cloud_formation].list_stacks.body
+    end
+
+    tests("list_stack_resources").succeeds do
+      pending if Fog.mocking?
+      Fog::AWS[:cloud_formation].list_stack_resources("StackName"=>@stack_name).body
+    end
+
     unless Fog.mocking?
       @keypair.destroy
     end