Adding support for AWS IAM ListMFADevices API

lib/fog/aws/iam.rb

@@ -53,6 +53,7 @@ module Fog
       request :list_groups_for_user
       request :list_instance_profiles
       request :list_instance_profiles_for_role
+      request :list_mfa_devices
       request :list_roles
       request :list_role_policies
       request :list_server_certificates

lib/fog/aws/parsers/iam/list_mfa_devices.rb

@@ -0,0 +1,32 @@
+module Fog
+  module Parsers
+    module AWS
+      module IAM
+
+        class ListMFADevices < Fog::Parsers::Base
+
+          def reset
+            @mfa_device = {}
+            @response = { 'MFADevices' => [] }
+          end
+
+          def end_element(name)
+            case name
+            when 'EnableDate', 'SerialNumber', 'UserName'
+              @mfa_device[name] = value
+            when 'member'
+              @response['MFADevices'] << @mfa_device
+              @mfa_device = {}
+            when 'IsTruncated'
+              response[name] = (value == 'true')
+            when 'Marker', 'RequestId'
+              response[name] = value
+            end
+          end
+
+        end
+
+      end
+    end
+  end
+end

lib/fog/aws/requests/iam/list_mfa_devices.rb

@@ -0,0 +1,55 @@
+module Fog
+  module AWS
+    class IAM
+      class Real
+        require 'fog/aws/parsers/iam/list_mfa_devices'
+
+        # List MFA Devices
+        #
+        # ==== Parameters
+        # * options<~Hash>:
+        #   * 'Marker'<~String> - used to paginate subsequent requests
+        #   * 'MaxItems'<~Integer> - limit results to this number per page
+        #   * 'UserName'<~String> - optional: username to lookup mfa devices for, defaults to current user
+        #
+        # ==== Returns
+        # * response<~Excon::Response>:
+        #   * body<~Hash>:
+        #     * 'MFADevices'<~Array> - Matching MFA devices
+        #       * mfa_device<~Hash>:
+        #         * EnableDate - The date when the MFA device was enabled for the user
+        #         * SerialNumber<~String> - The serial number that uniquely identifies the MFA device
+        #         * UserName<~String> - The user with whom the MFA device is associated
+        #     * 'IsTruncated<~Boolean> - Whether or not results were truncated
+        #     * 'Marker'<~String> - appears when IsTruncated is true as the next marker to use
+        #     * 'RequestId'<~String> - Id of the request
+        #
+        # ==== See Also
+        # http://docs.aws.amazon.com/IAM/latest/APIReference/API_ListMFADevices.html
+        #
+        def list_mfa_devices(options = {})
+          request({
+            'Action'  => 'ListMFADevices',
+            :parser   => Fog::Parsers::AWS::IAM::ListMFADevices.new
+          }.merge!(options))
+        end
+      end
+
+      class Mock
+        def list_mfa_devices(options = {})
+          #FIXME: Doesn't observe options
+          Excon::Response.new.tap do |response|
+            response.status = 200
+            response.body = { 'MFADevices' => data[:devices].map do |device|
+                                            { 'EnableDate'   => device[:enable_date],
+                                              'SerialNumber' => device[:serial_number],
+                                              'UserName'     => device[:user_name] }
+                                          end,
+                              'IsTruncated' => false,
+                              'RequestId' => Fog::AWS::Mock.request_id }
+          end
+        end
+      end
+    end
+  end
+end