first pass at snapshot functions

lib/fog/aws/ec2.rb

@@ -85,6 +85,20 @@ module Fog
         }, Fog::Parsers::AWS::EC2::Basic.new)
       end
 
+      # Create a snapshot of an EBS volume and store it in S3
+      #
+      # ==== Parameters
+      # * volume_id<~String> - Id of EBS volume to snapshot
+      #
+      # ==== Returns
+      # FIXME: docs
+      def create_snapshot(volume_id)
+        request({
+          'Action' => 'CreateSnapshot',
+          'VolumeId' => 'VolumeId'
+        }, Fog::Parsers::AWS::EC2::CreateSnapshot.new)
+      end
+
       # Create an EBS volume
       #
       # ==== Parameters
@@ -134,6 +148,7 @@ module Fog
       # ==== Returns
       # * response<~Fog::AWS::Response>:
       #   * body<~Hash>:
+      #     * :request_id<~String> - Id of request
       #     * :return<~Boolean> - success?
       def delete_security_group(name)
         request({
@@ -142,6 +157,23 @@ module Fog
         }, Fog::Parsers::AWS::EC2::Basic.new)
       end
 
+      # Delete a snapshot of an EBS volume that you own
+      #
+      # ==== Parameters
+      # * snapshot_id<~String> - ID of snapshot to delete
+      # ==== Returns
+      # ==== Returns
+      # * response<~Fog::AWS::Response>:
+      #   * body<~Hash>:
+      #     * :request_id<~String> - Id of request
+      #     * :return<~Boolean> - success?
+      def delete_snapshot(snapshot_id)
+        request({
+          'Action' => 'DeleteSnapshot',
+          'SnapshotId' => snapshot_id
+        }, Fog::Parsers::AWS::EC2::Basic.new)
+      end
+
       # Delete an EBS volume
       #
       # ==== Parameters
@@ -150,6 +182,7 @@ module Fog
       # ==== Returns
       # * response<~Fog::AWS::Response>:
       #   * body<~Hash>:
+      #     * :request_id<~String> - Id of request
       #     * :return<~Boolean> - success?
       def delete_volume(volume_id)
         request({
@@ -259,6 +292,20 @@ module Fog
         }.merge!(params), Fog::Parsers::AWS::EC2::DescribeSecurityGroups.new)
       end
       
+      # Describe all or specified snapshots
+      #
+      # ==== Parameters
+      # * snapshot_id<~Array> - List of snapshots to describe, defaults to all
+      #
+      # ==== Returns
+      # FIXME: docs
+      def describe_snapshots(snapshot_id = [])
+        params = indexed_params('SnapshotId', snapshot_id)
+        request({
+          'Action' => 'DescribeSnapshots'
+        }.merge!(params), Fog::Parsers::AWS::EC2::DescribeSnapshots.new)
+      end
+      
       # Describe all or specified volumes.
       #
       # ==== Parameters

lib/fog/aws/ec2/parsers.rb

@@ -52,6 +52,25 @@ module Fog
 
         end
 
+        class CreateSnapshot < Fog::Parsers::Base
+
+          def end_element(name)
+            case name
+            when 'progress'
+              @response[:progress] = @value
+            when 'snapshotId'
+              @response[:snapshot_id] = @value
+            when 'startTime'
+              @response[:start_time] = Time.parse(@value)
+            when 'status'
+              @response[:status] = @value
+            when 'volumeId'
+              @response[:volume_id] = @value
+            end
+          end
+
+        end
+
         class CreateVolume < Fog::Parsers::Base
 
           def end_element(name)
@@ -337,6 +356,33 @@ module Fog
 
         end
 
+        class DescribeSnapshots < Fog::Parsers::Base
+
+          def reset
+            @response = { :snapshot_set => [] }
+            @snapshot = {}
+          end
+
+          def end_element(name)
+            case name
+            when 'item'
+              @response[:snapshot_set] << @snapshot
+              @snapshot = {}
+            when 'progress'
+              @snapshot[:progress] = @value
+            when 'snapshotId'
+              @snapshot[:snapshot_id] = @value
+            when 'startTime'
+              @snapshot[:start_time] = Time.parse(@value)
+            when 'status'
+              @snapshot[:status] = @value
+            when 'volumeId'
+              @snapshot[:volume_id] = @value
+            end
+          end
+
+        end
+
         class DescribeVolumes < Fog::Parsers::Base
 
           def reset

spec/aws/ec2/create_snapshot_spec.rb

@@ -0,0 +1,13 @@
+require File.dirname(__FILE__) + '/../../spec_helper'
+
+describe 'EC2.create_snapshot' do
+
+  it "should return proper attributes with no params" do
+    pending
+    # actual = ec2.create_snapshot(volume_id)
+    # p actual
+  end
+  
+  it "should return proper attributes with params"
+
+end

spec/aws/ec2/delete_snapshot_spec.rb

@@ -0,0 +1,13 @@
+require File.dirname(__FILE__) + '/../../spec_helper'
+
+describe 'EC2.delete_snapshot' do
+
+  it "should return proper attributes with no params" do
+    pending
+    # actual = ec2.delete_snapshot(snapshot_id)
+    # p actual
+  end
+  
+  it "should return proper attributes with params"
+
+end

spec/aws/ec2/describe_snapshot_spec.rb

@@ -0,0 +1,12 @@
+require File.dirname(__FILE__) + '/../../spec_helper'
+
+describe 'EC2.describe_snapshots' do
+
+  it "should return proper attributes with no params" do
+    actual = ec2.describe_snapshots
+    p actual
+  end
+  
+  it "should return proper attributes with params"
+
+end