kiosk: Add status report for os update and running app

components/policy/proto/device_management_backend.proto

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
 package enterprise_management;
 
@@ skipping 359 matching lines @@
   // with a location.
   optional string annotated_location = 20;
 
   // The free-text asset identifier the admin enters to associate the device
   // with a user-generated identifier.
   optional string annotated_asset_id = 21;
 
   // The unique directory api ID of the device which was generated on the
   // server-side.
   optional string directory_api_id = 22;
-  
+
   // List of device affiliation IDs. If exists overlap between user
   // affiliation IDs and device affiliation IDs, we consider that the user is
   // affiliated on the device. Otherwise the user is not affiliated on the
-  // device. Should be fetched with device policy. Ignored if fetched with 
+  // device. Should be fetched with device policy. Ignored if fetched with
   // other polices.
   repeated string device_affiliation_ids = 23;
-  
+
   // List of user affiliation IDs. The list is used to define if current user
-  // is affiliated on the device. See device_affiliation_ids for details. 
+  // is affiliated on the device. See device_affiliation_ids for details.
   // Should be fetched with user policy. Ignored if fetched with other polices.
   repeated string user_affiliation_ids = 24;
 }
 
 message PolicyFetchResponse {
   // Since a single policy request may ask for multiple policies, we
   // provide separate error code for each individual policy fetch.
 
   // We will use standard HTTP Status Code as error code.
   optional int32 error_code = 1;
@@ skipping 338 matching lines @@
   optional int64 deprecated_system_ram_free = 13 [deprecated = true];
 
   // Total RAM on the device.
   optional int64 system_ram_total = 14;
 
   // Samples of free RAM [in bytes] (unreliable due to GC).
   repeated int64 system_ram_free = 15;
 
   // CPU temp information.
   repeated CPUTempInfo cpu_temp_info = 16;
+
+  // This field is set only when an OS update is needed because of Kiosk

[Thiemo Nagel, 2016/07/12 14:08:46]

nit: s/Kiosk/kiosk/

[xiyuan, 2016/07/12 15:17:04]

Revised.

"Kiosk app pinned OS version" -> "the required platform version"

+  // app pinned OS version of an updated Kiosk app is different from the

[Thiemo Nagel, 2016/07/12 14:08:46]

nit: s/Kiosk/kiosk/

[xiyuan, 2016/07/12 15:17:04]

Done.

+  // current OS version.
+  optional OsUpdateStatus os_update_status = 17;
+
+  // Set only when there is an auto launched with zero delay kiosk app
+  // and it is currently running. Otherwise, this field is empty.
+  optional AppStatus running_kiosk_app = 18;
+}
+
+message OsUpdateStatus {
+  enum UpdateStatus {
+    OS_UP_TO_DATE = 0;
+    OS_IMAGE_DOWNLOAD_NOT_STARTED = 1;
+    OS_IMAGE_DOWNLOAD_IN_PROGRESS = 2;
+    OS_UPDATE_NEED_REBOOT = 3;
+  }
+
+  optional UpdateStatus update_status = 1;
+
+  // New platform version of the os image being downloaded and applied. It
+  // is only set when update status is OS_IMAGE_DOWNLOAD_IN_PROGRESS or
+  // OS_UPDATE_NEED_REBOOT. Note this could be a dummy "0.0.0.0" for
+  // OS_UPDATE_NEED_REBOOT status for some edge cases, e.g. update engine is
+  // restarted without a reboot.
+  optional string new_platform_version = 2;
+
+  // New required platform version from the pending updated kiosk app.
+  optional string new_required_platform_version = 3;
 }
 
 // Provides status information for an installed app/extension.
 message AppStatus {
   // ID of the installed app/extension
   optional string app_id = 1;
 
   // Currently installed version of the app.
   optional string extension_version = 2;
 
   // Self-reported status summary (via chrome.reporting APIs)
   optional string status = 3;
 
   // If true, the application is currently in a self-reported error state.
   optional bool error = 4;
+
+  // App required Chrome version, specified in app’s manifest file.
+  optional string required_platform_version = 5;
 }
 
 // Report session (a user on one device) level status.
 message SessionStatusReportRequest {
   // Installed apps for this user on this device.
   // No longer used -- use installed_apps instead.
   repeated string installed_app_id = 1 [deprecated = true];
 
   // Installed extensions for this user on this device.
   // No longer used -- use installed_extensions instead.
@@ skipping 444 matching lines @@
   // Response to update device attribute.
   optional DeviceAttributeUpdateResponse device_attribute_update_response = 16;
 
   // Response to GCM id update request.
   optional GcmIdUpdateResponse gcm_id_update_response = 17;
 
   // Response to check Android management request.
   optional CheckAndroidManagementResponse
       check_android_management_response = 18;
 }