Merge branch 'master' into ml-replace-internal-urls

Author: elasticmachine

.ci/Dockerfile

@@ -1,7 +1,7 @@
 # NOTE: This Dockerfile is ONLY used to run certain tasks in CI. It is not used to run Kibana or as a distributable.
 # If you're looking for the Kibana Docker image distributable, please see: src/dev/build/tasks/os_packages/docker_generator/templates/dockerfile.template.ts
 
-ARG NODE_VERSION=10.22.0
+ARG NODE_VERSION=10.22.1
 
 FROM node:${NODE_VERSION} AS base
 

.i18nrc.json

@@ -57,7 +57,8 @@
     "visTypeXy": "src/plugins/vis_type_xy",
     "visualizations": "src/plugins/visualizations",
     "visualize": "src/plugins/visualize",
-    "apmOss": "src/plugins/apm_oss"
+    "apmOss": "src/plugins/apm_oss",
+    "usageCollection": "src/plugins/usage_collection"
   },
   "exclude": [
     "src/legacy/ui/ui_render/ui_render_mixin.js"

docs/developer/plugin-list.asciidoc

@@ -494,6 +494,10 @@ in their infrastructure.
 |This plugins adopts some conventions in addition to or in place of conventions in Kibana (at the time of the plugin's creation):
 
 
+|{kib-repo}blob/{branch}/x-pack/plugins/xpack_legacy/README.md[xpackLegacy]
+|Contains HTTP endpoints and UiSettings that are slated for removal.
+
+
 |===
 
 include::{kibana-root}/src/plugins/dashboard/README.asciidoc[leveloffset=+1]

docs/development/core/server/kibana-plugin-core-server.coresetup.md

@@ -23,6 +23,7 @@ export interface CoreSetup<TPluginsStart extends object = object, TStart = unkno
 |  [getStartServices](./kibana-plugin-core-server.coresetup.getstartservices.md) | <code>StartServicesAccessor&lt;TPluginsStart, TStart&gt;</code> | [StartServicesAccessor](./kibana-plugin-core-server.startservicesaccessor.md) |
 |  [http](./kibana-plugin-core-server.coresetup.http.md) | <code>HttpServiceSetup &amp; {</code><br/><code>        resources: HttpResources;</code><br/><code>    }</code> | [HttpServiceSetup](./kibana-plugin-core-server.httpservicesetup.md) |
 |  [logging](./kibana-plugin-core-server.coresetup.logging.md) | <code>LoggingServiceSetup</code> | [LoggingServiceSetup](./kibana-plugin-core-server.loggingservicesetup.md) |
+|  [metrics](./kibana-plugin-core-server.coresetup.metrics.md) | <code>MetricsServiceSetup</code> | [MetricsServiceSetup](./kibana-plugin-core-server.metricsservicesetup.md) |
 |  [savedObjects](./kibana-plugin-core-server.coresetup.savedobjects.md) | <code>SavedObjectsServiceSetup</code> | [SavedObjectsServiceSetup](./kibana-plugin-core-server.savedobjectsservicesetup.md) |
 |  [status](./kibana-plugin-core-server.coresetup.status.md) | <code>StatusServiceSetup</code> | [StatusServiceSetup](./kibana-plugin-core-server.statusservicesetup.md) |
 |  [uiSettings](./kibana-plugin-core-server.coresetup.uisettings.md) | <code>UiSettingsServiceSetup</code> | [UiSettingsServiceSetup](./kibana-plugin-core-server.uisettingsservicesetup.md) |

docs/development/core/server/kibana-plugin-core-server.coresetup.metrics.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-core-server](./kibana-plugin-core-server.md) &gt; [CoreSetup](./kibana-plugin-core-server.coresetup.md) &gt; [metrics](./kibana-plugin-core-server.coresetup.metrics.md)
+
+## CoreSetup.metrics property
+
+[MetricsServiceSetup](./kibana-plugin-core-server.metricsservicesetup.md)
+
+<b>Signature:</b>
+
+```typescript
+metrics: MetricsServiceSetup;
+```

docs/development/core/server/kibana-plugin-core-server.corestart.md

@@ -20,7 +20,7 @@ export interface CoreStart
 |  [capabilities](./kibana-plugin-core-server.corestart.capabilities.md) | <code>CapabilitiesStart</code> | [CapabilitiesStart](./kibana-plugin-core-server.capabilitiesstart.md) |
 |  [elasticsearch](./kibana-plugin-core-server.corestart.elasticsearch.md) | <code>ElasticsearchServiceStart</code> | [ElasticsearchServiceStart](./kibana-plugin-core-server.elasticsearchservicestart.md) |
 |  [http](./kibana-plugin-core-server.corestart.http.md) | <code>HttpServiceStart</code> | [HttpServiceStart](./kibana-plugin-core-server.httpservicestart.md) |
-|  [metrics](./kibana-plugin-core-server.corestart.metrics.md) | <code>MetricsServiceStart</code> |  |
+|  [metrics](./kibana-plugin-core-server.corestart.metrics.md) | <code>MetricsServiceStart</code> | [MetricsServiceStart](./kibana-plugin-core-server.metricsservicestart.md) |
 |  [savedObjects](./kibana-plugin-core-server.corestart.savedobjects.md) | <code>SavedObjectsServiceStart</code> | [SavedObjectsServiceStart](./kibana-plugin-core-server.savedobjectsservicestart.md) |
 |  [uiSettings](./kibana-plugin-core-server.corestart.uisettings.md) | <code>UiSettingsServiceStart</code> | [UiSettingsServiceStart](./kibana-plugin-core-server.uisettingsservicestart.md) |
 

docs/development/core/server/kibana-plugin-core-server.corestart.metrics.md

@@ -4,6 +4,7 @@
 
 ## CoreStart.metrics property
 
+[MetricsServiceStart](./kibana-plugin-core-server.metricsservicestart.md)
 
 <b>Signature:</b>
 

docs/development/core/server/kibana-plugin-core-server.md

@@ -253,6 +253,7 @@ The plugin integrates with the core system via lifecycle events: `setup`<!-- -->
 |  [LegacyElasticsearchClientConfig](./kibana-plugin-core-server.legacyelasticsearchclientconfig.md) |  |
 |  [LifecycleResponseFactory](./kibana-plugin-core-server.lifecycleresponsefactory.md) | Creates an object containing redirection or error response with error details, HTTP headers, and other data transmitted to the client. |
 |  [LoggerConfigType](./kibana-plugin-core-server.loggerconfigtype.md) |  |
+|  [MetricsServiceStart](./kibana-plugin-core-server.metricsservicestart.md) | APIs to retrieves metrics gathered and exposed by the core platform. |
 |  [MIGRATION\_ASSISTANCE\_INDEX\_ACTION](./kibana-plugin-core-server.migration_assistance_index_action.md) |  |
 |  [MIGRATION\_DEPRECATION\_LEVEL](./kibana-plugin-core-server.migration_deprecation_level.md) |  |
 |  [MutatingOperationRefreshSetting](./kibana-plugin-core-server.mutatingoperationrefreshsetting.md) | Elasticsearch Refresh setting for mutating operation |

docs/development/core/server/kibana-plugin-core-server.metricsservicestart.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-core-server](./kibana-plugin-core-server.md) &gt; [MetricsServiceStart](./kibana-plugin-core-server.metricsservicestart.md)
+
+## MetricsServiceStart type
+
+APIs to retrieves metrics gathered and exposed by the core platform.
+
+<b>Signature:</b>
+
+```typescript
+export declare type MetricsServiceStart = MetricsServiceSetup;
+```

docs/development/core/server/kibana-plugin-core-server.servicestatuslevels.md

@@ -13,18 +13,22 @@ ServiceStatusLevels: Readonly<{
     available: Readonly<{
         toString: () => "available";
         valueOf: () => 0;
+        toJSON: () => "available";
     }>;
     degraded: Readonly<{
         toString: () => "degraded";
         valueOf: () => 1;
+        toJSON: () => "degraded";
     }>;
     unavailable: Readonly<{
         toString: () => "unavailable";
         valueOf: () => 2;
+        toJSON: () => "unavailable";
     }>;
     critical: Readonly<{
         toString: () => "critical";
         valueOf: () => 3;
+        toJSON: () => "critical";
     }>;
 }>
 ```