Merge pull request #1591 from abenari/ovirt3.1

[ovirt] fix issues with oVirt 3.1 API disk locking status.

lib/fog/ovirt/compute.rb

@@ -42,6 +42,7 @@ class Ovirt < Fog::Service
       request :list_template_volumes
       request :add_volume
       request :destroy_volume
+      request :get_api_version
 
       module Shared
         # converts an OVIRT object into an hash for fog to consume.

lib/fog/ovirt/models/compute/server.rb

@@ -33,7 +33,7 @@ def ready?
         end
 
         def locked?
-          !!(status =~ /locked/i)
+          !!(status =~ /locked/i) || (attributes[:volumes]=nil) || volumes.any?{|v| !!(v.status =~ /locked/i)}
         end
 
         def stopped?
@@ -84,7 +84,7 @@ def destroy_volume attrs
         end
 
         def start(options = {})
-          wait_for { stopped? } if options[:blocking]
+          wait_for { !locked? } if options[:blocking]
           service.vm_action(:id =>id, :action => :start)
           reload
         end

lib/fog/ovirt/models/compute/volume.rb

@@ -15,6 +15,7 @@ class Volume < Fog::Model
         attribute :format
         attribute :sparse
         attribute :size_gb
+        attribute :status
 
         def size_gb
           attributes[:size_gb] ||= attributes[:size].to_i / DISK_SIZE_TO_GB if attributes[:size]

lib/fog/ovirt/requests/compute/get_api_version.rb

@@ -0,0 +1,16 @@
+module Fog
+  module Compute
+    class Ovirt
+      class Real
+        def api_version
+          client.api_version
+        end
+      end
+      class Mock
+        def api_version
+          "3.1"
+        end
+      end
+    end
+  end
+end