Merge pull request #1476 from estonfer/bucket_lifecycle

adds support for bucket transitioning/fixes bucket lifecycle management

lib/fog/aws/parsers/storage/get_bucket_lifecycle.rb

@@ -6,26 +6,60 @@ module Fog
         class GetBucketLifecycle < Fog::Parsers::Base
 
           def reset
+            @expiration = {}
+            @transition = {}
             @rule = {}
             @response = { 'Rules' => [] }
           end
 
+          def start_element(name, attrs=[])
+            super
+            case name
+            when 'Expiration'
+              @in_expiration = true
+            when 'Transition'
+              @in_transition = true
+            end
+          end
+
           def end_element(name)
+            if @in_expiration
+              case name
+              when 'Days'
+                @expiration[name] = value.to_i
+              when 'Date'
+                @expiration[name] = value
+              when 'Expiration'
+                @rule['Expiration'] = @expiration
+                @in_expiration = false
+                @expiration = {}
+              end
+            elsif @in_transition
+              case name
+              when 'StorageClass', 
+                @transition['StorageClass'] = value
+              when 'Date'
+                @transition[name] = value
+              when 'Days'
+                @transition[name] = value.to_i
+              when 'Transition'
+                @rule['Transition'] = @transition
+                @in_transition = false
+                @transition = {}
+              end
+            else
               case name
               when 'ID', 'Prefix'
                 @rule[name] = value
               when 'Status'
                 @rule['Enabled'] = value == 'Enabled'
-            when 'Days'
-              @rule[name] = value.to_i
               when 'Rule'
                 @response['Rules'] << @rule
                 @rule = {}
               end 
             end
-
           end
-
+        end
       end
     end
   end

lib/fog/aws/requests/storage/put_bucket_lifecycle.rb

@@ -11,7 +11,18 @@ module Fog
         #     * ID [String] Unique identifier for the rule
         #     * Prefix [String] Prefix identifying one or more objects to which the rule applies
         #     * Enabled [Boolean] if rule is currently being applied
+        #     * Expiration [Hash] Container for the object expiration rule. 
         #       * Days [Integer] lifetime, in days, of the objects that are subject to the rule
+        #       * Date [Date] Indicates when the specific rule take effect.
+        #         The date value must conform to the ISO 8601 format. The time is always midnight UTC. 
+        #     * Transition [Hash] Container for the transition rule that describes when objects transition 
+        #       to the Glacier storage class
+        #       * Days [Integer] lifetime, in days, of the objects that are subject to the rule
+        #       * Date [Date] Indicates when the specific rule take effect.
+        #         The date value must conform to the ISO 8601 format. The time is always midnight UTC. 
+        #       * StorageClass [String] Indicates the Amazon S3 storage class to which you want the object
+        #         to transition to. 
+        #
         # 
         # @see http://docs.amazonwebservices.com/AmazonS3/latest/API/RESTBucketPUTlifecycle.html
         # 
@@ -23,14 +34,33 @@ module Fog
                   ID rule['ID']
                   Prefix rule['Prefix'] 
                   Status rule['Enabled'] ? 'Enabled' : 'Disabled'
+                  unless (rule['Expiration'] or rule['Transition'])
                     Expiration { Days rule['Days'] }
+                  else
+                    if rule['Expiration']
+                      if rule['Expiration']['Days']
+                        Expiration { Days rule['Expiration']['Days'] }
+                      elsif rule['Expiration']['Date']
+                        Expiration { Date rule['Expiration']['Date'].is_a?(Time) ? rule['Expiration']['Date'].utc.iso8601 : Time.parse(rule['Expiration']['Date']).utc.iso8601 }
+                      end
+                    end
+                    if rule['Transition']
+                      Transition {
+                        if rule['Transition']['Days']
+                          Days rule['Transition']['Days']
+                        elsif rule['Transition']['Date']
+                          Date rule['Transition']['Date'].is_a?(Time) ? time.utc.iso8601 : Time.parse(time).utc.iso8601
+                        end
+                        StorageClass rule['Transition']['StorageClass'].nil? ? 'GLACIER' : rule['Transition']['StorageClass']
+                      }
+                    end
+                  end
                 }
               end
             }
           end
-
           body = builder.to_xml
-
+          body.gsub! /<([^<>]+)\/>/, '<\1></\1>'
           request({
                     :body     => body,
                     :expects  => 200,

tests/aws/requests/storage/bucket_tests.rb

@@ -22,6 +22,15 @@ Shindo.tests('Fog::Storage[:aws] | bucket requests', ["aws"]) do
         'StorageClass' => String
       }]
     }
+    @bucket_lifecycle_format = {
+      'Rules' => [{
+         'ID'         => String, 
+         'Prefix'     => Fog::Nullable::String,
+         'Enabled'    => Fog::Boolean, 
+         'Expiration' => Fog::Nullable::Hash,
+         'Transition' => Fog::Nullable::Hash
+       }]
+    }
       
     @service_format = {
       'Buckets' => [{
@@ -221,11 +230,22 @@ Shindo.tests('Fog::Storage[:aws] | bucket requests', ["aws"]) do
       tests('create').succeeds do
         Fog::Storage[:aws].put_bucket_lifecycle(@aws_bucket_name, lifecycle)
       end
-      tests('read').returns(lifecycle) do
+      tests('read').formats(@bucket_lifecycle_format) do
         Fog::Storage[:aws].get_bucket_lifecycle(@aws_bucket_name).body
       end
       lifecycle = { 'Rules' => 5.upto(6).map { |i| {'ID' => "rule\##{i}", 'Prefix' => i.to_s, 'Enabled' => true, 'Days' => i} } }
-      tests('update').returns(lifecycle) do
+      lifecycle_return = { 'Rules' => 5.upto(6).map { |i| {'ID' => "rule\##{i}", 'Prefix' => i.to_s, 'Enabled' => true, 'Expiration' => {'Days' => i}} } }
+      tests('update').returns(lifecycle_return) do
+        Fog::Storage[:aws].put_bucket_lifecycle(@aws_bucket_name, lifecycle)
+        Fog::Storage[:aws].get_bucket_lifecycle(@aws_bucket_name).body
+      end
+      lifecycle = {'Rules' => [{'ID' => 'test rule', 'Prefix' => '/prefix', 'Enabled' => true, 'Expiration' => {'Days' => 42}, 'Transition' => {'Days' => 6, 'StorageClass'=>'GLACIER'}}]}
+      tests('transition').returns(lifecycle) do
+        Fog::Storage[:aws].put_bucket_lifecycle(@aws_bucket_name, lifecycle)
+        Fog::Storage[:aws].get_bucket_lifecycle(@aws_bucket_name).body
+      end
+      lifecycle = {'Rules' => [{'ID' => 'test rule', 'Prefix' => '/prefix', 'Enabled' => true, 'Expiration' => {'Date' => '2012-12-31T00:00:00.000Z'}}]}
+      tests('date').returns(lifecycle) do
         Fog::Storage[:aws].put_bucket_lifecycle(@aws_bucket_name, lifecycle)
         Fog::Storage[:aws].get_bucket_lifecycle(@aws_bucket_name).body
       end