Roll of googleapis as of 4/7/2015.

discovery/googleapis_beta/replicapoolupdater__v1beta1.json

 {
     "auth": {
         "oauth2": {
             "scopes": {
                 "https://www.googleapis.com/auth/cloud-platform": {
                     "description": "View and manage your data across Google Cloud Platform services"
                 },
                 "https://www.googleapis.com/auth/replicapool": {
                     "description": "View and manage replica pools"
                 },
                 "https://www.googleapis.com/auth/replicapool.readonly": {
                     "description": "View replica pools"
                 }
             }
         }
     },
     "basePath": "/replicapoolupdater/v1beta1/projects/",
     "baseUrl": "https://www.googleapis.com/replicapoolupdater/v1beta1/projects/",
     "batchPath": "batch",
     "description": "The Google Compute Engine Instance Group Updater API provides services for updating groups of Compute Engine Instances.",
     "discoveryVersion": "v1",
     "documentationLink": "https://cloud.google.com/compute/docs/instance-groups/manager/#applying_rolling_updates_using_the_updater_service",
-    "etag": "\"ye6orv2F-1npMW3u9suM3a7C5Bo/eJNOa2VAnZWx5ALy5y9ejkM9EKI\"",
+    "etag": "\"ye6orv2F-1npMW3u9suM3a7C5Bo/IuZy-huEI4odldDxlxCkfd4i7iE\"",
     "icons": {
         "x16": "http://www.google.com/images/icons/product/search-16.gif",
         "x32": "http://www.google.com/images/icons/product/search-32.gif"
     },
     "id": "replicapoolupdater:v1beta1",
     "kind": "discovery#restDescription",
     "labels": [
         "limited_availability"
     ],
     "name": "replicapoolupdater",
@@ skipping 434 matching lines @@
                         "$ref": "Operation"
                     },
                     "scopes": [
                         "https://www.googleapis.com/auth/cloud-platform",
                         "https://www.googleapis.com/auth/replicapool"
                     ]
                 }
             }
         }
     },
-    "revision": "20150216",
+    "revision": "20150129",
     "rootUrl": "https://www.googleapis.com/",
     "schemas": {
         "InstanceUpdate": {
             "description": "Update of a single instance.",
             "id": "InstanceUpdate",
             "properties": {
                 "error": {
                     "description": "Errors that occurred during the instance update.",
                     "properties": {
                         "errors": {
@@ skipping 201 matching lines @@
                     "type": "string"
                 }
             },
             "type": "object"
         },
         "RollingUpdate": {
             "description": "The following represents a resource describing a single update (rollout) of a group of instances to the given template.",
             "id": "RollingUpdate",
             "properties": {
                 "actionType": {
-                    "description": "Specifies the action to take for each instance within the instance group. This can be RECREATE which will recreate each instance and is only available for managed instance groups. It can also be REBOOT which performs a soft reboot for each instance and is only available for regular (non-managed) instance groups.",
+                    "description": "Specifies the action to take for each instance within the instance group. This can be RECREATE which will recreate each instance and is only available for managed instance groups. It can also be REBOOT which performs a soft reboot for each instance and is only available for regular (non-managed) instance groups and explicit lists of instances.",
                     "type": "string"
                 },
                 "creationTimestamp": {
                     "description": "[Output Only] Creation timestamp in RFC3339 text format.",
                     "type": "string"
                 },
                 "description": {
                     "description": "An optional textual description of the resource; provided by the client when the resource is created.",
                     "type": "string"
                 },
@@ skipping 22 matching lines @@
                             "type": "array"
                         }
                     },
                     "type": "object"
                 },
                 "id": {
                     "description": "[Output Only] Unique identifier for the resource; defined by the server.",
                     "type": "string"
                 },
                 "instanceGroup": {
-                    "description": "Fully-qualified URL of an instance group being updated. Exactly one of instanceGroupManager and instanceGroup must be set.",
+                    "description": "Fully-qualified URL of an instance group being updated. Exactly one of instanceGroupManager, instanceGroup and instance list must be set.",
                     "type": "string"
                 },
                 "instanceGroupManager": {
-                    "description": "Fully-qualified URL of an instance group manager being updated. Exactly one of instanceGroupManager and instanceGroup must be set.",
+                    "description": "Fully-qualified URL of an instance group manager being updated. Exactly one of instanceGroupManager, instanceGroup and instance list must be set.",
                     "type": "string"
                 },
                 "instanceTemplate": {
                     "description": "Fully-qualified URL of an instance template to apply.",
                     "type": "string"
                 },
+                "instances": {
+                    "description": "List of fully-qualified URLs of instances to be updated. Exactly one of instanceGroupManager, instanceGroup and instance list must be set.",
+                    "items": {
+                        "type": "string"
+                    },
+                    "type": "array"
+                },
                 "kind": {
                     "default": "replicapoolupdater#rollingUpdate",
                     "description": "[Output Only] Type of the resource.",
                     "type": "string"
                 },
                 "policy": {
                     "description": "Parameters of the update process.",
                     "properties": {
                         "autoPauseAfterInstances": {
                             "description": "Number of instances updated before the update gets automatically paused.",
                             "format": "int32",
                             "type": "integer"
                         },
-                        "canary": {
-                            "description": "Parameters of a canary phase. If absent, canary will NOT be performed.",
-                            "properties": {
-                                "numInstances": {
-                                    "description": "Number of instances updated as a part of canary phase. If absent, the default number of instances will be used.",
-                                    "format": "int32",
-                                    "type": "integer"
-                                }
-                            },
-                            "type": "object"
-                        },
                         "instanceStartupTimeoutSec": {
                             "description": "Maximum amount of time we will wait after finishing all steps until we receive HEALTHY state for instance. If this deadline is exceeded instance update is considered as failed.",
                             "format": "int32",
                             "type": "integer"
                         },
                         "maxNumConcurrentInstances": {
                             "description": "Maximum number of instances that can be updated simultaneously (concurrently). An update of an instance starts when the instance is about to be restarted and finishes after the instance has been restarted and the sleep period (defined by sleepAfterInstanceRestartSec) has passed.",
                             "format": "int32",
                             "type": "integer"
                         },
@@ skipping 64 matching lines @@
                     "type": "string"
                 }
             },
             "type": "object"
         }
     },
     "servicePath": "replicapoolupdater/v1beta1/projects/",
     "title": "Google Compute Engine Instance Group Updater API",
     "version": "v1beta1"
 }