Merge pull request #3799 from Ladas/openstack_add_server_evacuate_action

OpenStack add server evacuate action

lib/fog/openstack/compute.rb

@@ -106,6 +106,7 @@ module Fog
       request :get_vnc_console
       request :live_migrate_server
       request :migrate_server
+      request :evacuate_server
 
       # Service CRUD
       request :list_services

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

@@ -292,6 +292,11 @@ module Fog
           service.live_migrate_server(id, host, block_migration, disk_over_commit)
         end
 
+        def evacuate(host, on_shared_storage, admin_password = nil)
+          requires :id
+          service.evacuate_server(id, host, on_shared_storage, admin_password)
+        end
+
         def associate_address(floating_ip)
           requires :id
           service.associate_address id, floating_ip

lib/fog/openstack/requests/compute/evacuate_server.rb

@@ -0,0 +1,26 @@
+module Fog
+  module Compute
+    class OpenStack
+      class Real
+        def evacuate_server(server_id, host, on_shared_storage, admin_password = nil)
+          body = {
+            'evacuate' => {
+              'host'            => host,
+              'onSharedStorage' => on_shared_storage,
+              'admin_password'  => admin_password,
+            }
+          }
+          server_action(server_id, body)
+        end
+      end
+
+      class Mock
+        def evacuate_server(server_id, host, on_shared_storage, admin_password = nil)
+          response = Excon::Response.new
+          response.status = 202
+          response
+        end
+      end
+    end
+  end
+end