[APM] Add metric type interface (#83039)

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

x-pack/plugins/apm/server/lib/helpers/create_es_client/create_apm_event_client/index.ts

@@ -5,7 +5,6 @@
  */
 
 import { ValuesType } from 'utility-types';
-import { APMBaseDoc } from '../../../../../typings/es_schemas/raw/apm_base_doc';
 import { APMError } from '../../../../../typings/es_schemas/ui/apm_error';
 import {
   KibanaRequest,
@@ -21,6 +20,7 @@ import { addFilterToExcludeLegacyData } from './add_filter_to_exclude_legacy_dat
 import { callClientWithDebug } from '../call_client_with_debug';
 import { Transaction } from '../../../../../typings/es_schemas/ui/transaction';
 import { Span } from '../../../../../typings/es_schemas/ui/span';
+import { Metric } from '../../../../../typings/es_schemas/ui/metric';
 import { unpackProcessorEvents } from './unpack_processor_events';
 
 export type APMEventESSearchRequest = Omit<ESSearchRequest, 'index'> & {
@@ -33,7 +33,7 @@ type TypeOfProcessorEvent<T extends ProcessorEvent> = {
   [ProcessorEvent.error]: APMError;
   [ProcessorEvent.transaction]: Transaction;
   [ProcessorEvent.span]: Span;
-  [ProcessorEvent.metric]: APMBaseDoc;
+  [ProcessorEvent.metric]: Metric;
   [ProcessorEvent.onboarding]: unknown;
   [ProcessorEvent.sourcemap]: unknown;
 }[T];

x-pack/plugins/apm/typings/es_schemas/raw/apm_base_doc.ts

@@ -4,6 +4,8 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
+import { Observer } from './fields/observer';
+
 // all documents types extend APMBaseDoc and inherit all properties
 export interface APMBaseDoc {
   '@timestamp': string;
@@ -11,10 +13,10 @@ export interface APMBaseDoc {
     name: string;
     version: string;
   };
-  timestamp: { us: number };
   parent?: { id: string }; // parent ID is not available on root transactions
   trace?: { id: string };
   labels?: {
     [key: string]: string | number | boolean;
   };
+  observer?: Observer;
 }

x-pack/plugins/apm/typings/es_schemas/raw/error_raw.ts

@@ -13,9 +13,9 @@ import { Page } from './fields/page';
 import { Process } from './fields/process';
 import { Service } from './fields/service';
 import { Stackframe } from './fields/stackframe';
+import { TimestampUs } from './fields/timestamp_us';
 import { Url } from './fields/url';
 import { User } from './fields/user';
-import { Observer } from './fields/observer';
 
 interface Processor {
   name: 'error';
@@ -41,6 +41,7 @@ interface Log {
 
 export interface ErrorRaw extends APMBaseDoc {
   processor: Processor;
+  timestamp: TimestampUs;
   transaction?: {
     id: string;
     sampled?: boolean;
@@ -66,5 +67,4 @@ export interface ErrorRaw extends APMBaseDoc {
   service: Service;
   url?: Url;
   user?: User;
-  observer?: Observer;
 }

x-pack/plugins/apm/typings/es_schemas/raw/fields/timestamp_us.ts

@@ -0,0 +1,9 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+export interface TimestampUs {
+  us: number;
+}

x-pack/plugins/apm/typings/es_schemas/raw/metric_raw.ts

@@ -0,0 +1,99 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { APMBaseDoc } from './apm_base_doc';
+import { Container } from './fields/container';
+import { Kubernetes } from './fields/kubernetes';
+
+type BaseMetric = APMBaseDoc & {
+  processor: {
+    name: 'metric';
+    event: 'metric';
+  };
+};
+
+type BaseBreakdownMetric = BaseMetric & {
+  transaction: {
+    name: string;
+    type: string;
+  };
+  span: {
+    self_time: {
+      count: number;
+      sum: {
+        us: number;
+      };
+    };
+  };
+};
+
+type TransactionBreakdownMetric = BaseBreakdownMetric & {
+  transaction: {
+    duration: {
+      count: number;
+      sum: {
+        us: number;
+      };
+    };
+    breakdown: {
+      count: number;
+    };
+  };
+};
+
+type SpanBreakdownMetric = BaseBreakdownMetric & {
+  span: {
+    type: string;
+    subtype?: string;
+  };
+};
+
+type SystemMetric = BaseMetric & {
+  system: unknown;
+  service: {
+    node?: {
+      name: string;
+    };
+  };
+};
+
+type CGroupMetric = SystemMetric;
+type JVMMetric = SystemMetric & {
+  jvm: unknown;
+};
+
+type TransactionDurationMetric = BaseMetric & {
+  transaction: {
+    name: string;
+    type: string;
+    result?: string;
+    duration: {
+      histogram: {
+        values: number[];
+        counts: number[];
+      };
+    };
+  };
+  service: {
+    name: string;
+    node?: {
+      name: string;
+    };
+    environment?: string;
+    version?: string;
+  };
+  container?: Container;
+  kubernetes?: Kubernetes;
+};
+
+export type MetricRaw =
+  | BaseMetric
+  | TransactionBreakdownMetric
+  | SpanBreakdownMetric
+  | TransactionDurationMetric
+  | SystemMetric
+  | CGroupMetric
+  | JVMMetric;

x-pack/plugins/apm/typings/es_schemas/raw/span_raw.ts

@@ -6,7 +6,7 @@
 
 import { APMBaseDoc } from './apm_base_doc';
 import { Stackframe } from './fields/stackframe';
-import { Observer } from './fields/observer';
+import { TimestampUs } from './fields/timestamp_us';
 
 interface Processor {
   name: 'transaction';
@@ -48,9 +48,9 @@ export interface SpanRaw extends APMBaseDoc {
       headers?: Record<string, unknown>;
     };
   };
+  timestamp: TimestampUs;
   transaction?: {
     id: string;
   };
-  observer?: Observer;
   child?: { id: string[] };
 }

x-pack/plugins/apm/typings/es_schemas/raw/transaction_raw.ts

@@ -12,10 +12,10 @@ import { Kubernetes } from './fields/kubernetes';
 import { Page } from './fields/page';
 import { Process } from './fields/process';
 import { Service } from './fields/service';
+import { TimestampUs } from './fields/timestamp_us';
 import { Url } from './fields/url';
 import { User } from './fields/user';
 import { UserAgent } from './fields/user_agent';
-import { Observer } from './fields/observer';
 
 interface Processor {
   name: 'transaction';
@@ -24,6 +24,7 @@ interface Processor {
 
 export interface TransactionRaw extends APMBaseDoc {
   processor: Processor;
+  timestamp: TimestampUs;
   trace: { id: string }; // trace is required
   transaction: {
     duration: { us: number };
@@ -63,5 +64,4 @@ export interface TransactionRaw extends APMBaseDoc {
   url?: Url;
   user?: User;
   user_agent?: UserAgent;
-  observer?: Observer;
 }

x-pack/plugins/apm/typings/es_schemas/ui/metric.ts

@@ -0,0 +1,9 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { MetricRaw } from '../raw/metric_raw';
+
+export type Metric = MetricRaw;