create kbn-legacy-logging package (#77678)

* create kbn-legacy-logging package and start to move things * fix rotator tests * fix logging system test mocks * move logging format to the package * move logging setup to package * adapt legacy logging server * remove usage of legacy config in the legacy logging server * move legacy logging server to package * remove `??` syntax from package * update generated doc * fix a few things due to month old merge * remove typings from project * move reconfigureLogging to package * add basic README file * update generated doc * remove old typings * add typing for legacy logging events * remove `??` from packages * fix / improve event types usages * remove suffix from tsconfig
elastic · Nov 22, 2020 · e176def · e176def
1 parent 5708c5d
commit e176def
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Showing 36 changed files with 748 additions and 304 deletions.
diff --git a/package.json b/package.json
@@ -131,6 +131,7 @@
     "@kbn/config-schema": "link:packages/kbn-config-schema",
     "@kbn/i18n": "link:packages/kbn-i18n",
     "@kbn/interpreter": "link:packages/kbn-interpreter",
+    "@kbn/legacy-logging": "link:packages/kbn-legacy-logging",
     "@kbn/logging": "link:packages/kbn-logging",
     "@kbn/monaco": "link:packages/kbn-monaco",
     "@kbn/std": "link:packages/kbn-std",

diff --git a/packages/kbn-legacy-logging/README.md b/packages/kbn-legacy-logging/README.md
@@ -0,0 +1,4 @@
+# @kbn/legacy-logging
+
+This package contains the implementation of the legacy logging
+system, based on `@hapi/good`
diff --git a/packages/kbn-legacy-logging/package.json b/packages/kbn-legacy-logging/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "@kbn/legacy-logging",
+  "version": "1.0.0",
+  "private": true,
+  "license": "Apache-2.0",
+  "main": "./target/index.js",
+  "scripts": {
+    "build": "tsc",
+    "kbn:bootstrap": "yarn build",
+    "kbn:watch": "yarn build --watch"
+  },
+  "dependencies": {
+    "@kbn/std": "link:../kbn-std"
+  }
+}
diff --git a/src/legacy/server/logging/configuration.js → ...-legacy-logging/src/get_logging_config.ts b/src/legacy/server/logging/configuration.js → ...-legacy-logging/src/get_logging_config.ts
@@ -18,20 +18,25 @@
  */
 
 import _ from 'lodash';
-import { getLoggerStream } from './log_reporter';
+import { getLogReporter } from './log_reporter';
+import { LegacyLoggingConfig } from './schema';
 
-export default function loggingConfiguration(config) {
-  const events = config.get('logging.events');
+/**
+ * Returns the `@hapi/good` plugin configuration to be used for the legacy logging
+ * @param config
+ */
+export function getLoggingConfiguration(config: LegacyLoggingConfig, opsInterval: number) {
+  const events = config.events;
 
-  if (config.get('logging.silent')) {
+  if (config.silent) {
     _.defaults(events, {});
-  } else if (config.get('logging.quiet')) {
+  } else if (config.quiet) {
     _.defaults(events, {
       log: ['listening', 'error', 'fatal'],
       request: ['error'],
       error: '*',
     });
-  } else if (config.get('logging.verbose')) {
+  } else if (config.verbose) {
     _.defaults(events, {
       log: '*',
       ops: '*',
@@ -47,24 +52,24 @@ export default function loggingConfiguration(config) {
     });
   }
 
-  const loggerStream = getLoggerStream({
+  const loggerStream = getLogReporter({
     config: {
-      json: config.get('logging.json'),
-      dest: config.get('logging.dest'),
-      timezone: config.get('logging.timezone'),
+      json: config.json,
+      dest: config.dest,
+      timezone: config.timezone,
 
       // I'm adding the default here because if you add another filter
       // using the commandline it will remove authorization. I want users
       // to have to explicitly set --logging.filter.authorization=none or
       // --logging.filter.cookie=none to have it show up in the logs.
-      filter: _.defaults(config.get('logging.filter'), {
+      filter: _.defaults(config.filter, {
         authorization: 'remove',
         cookie: 'remove',
       }),
     },
     events: _.transform(
       events,
-      function (filtered, val, key) {
+      function (filtered: Record<string, string>, val: string, key: string) {
         // provide a string compatible way to remove events
         if (val !== '!') filtered[key] = val;
       },
@@ -74,7 +79,7 @@ export default function loggingConfiguration(config) {
 
   const options = {
     ops: {
-      interval: config.get('ops.interval'),
+      interval: opsInterval,
     },
     includes: {
       request: ['headers', 'payload'],

diff --git a/packages/kbn-legacy-logging/src/index.ts b/packages/kbn-legacy-logging/src/index.ts
@@ -0,0 +1,25 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+export { LegacyLoggingConfig, legacyLoggingConfigSchema } from './schema';
+export { attachMetaData } from './metadata';
+export { setupLoggingRotate } from './rotate';
+export { setupLogging, reconfigureLogging } from './setup_logging';
+export { getLoggingConfiguration } from './get_logging_config';
+export { LegacyLoggingServer } from './legacy_logging_server';
diff --git a/...acy/logging/legacy_logging_server.test.ts → ...logging/src/legacy_logging_server.test.ts b/...acy/logging/legacy_logging_server.test.ts → ...logging/src/legacy_logging_server.test.ts
@@ -17,40 +17,47 @@
  * under the License.
  */
 
-jest.mock('../../../../legacy/server/config');
-jest.mock('../../../../legacy/server/logging');
+jest.mock('./setup_logging');
 
-import { LogLevel } from '../../logging';
-import { LegacyLoggingServer } from './legacy_logging_server';
+import { LegacyLoggingServer, LogRecord } from './legacy_logging_server';
 
 test('correctly forwards log records.', () => {
   const loggingServer = new LegacyLoggingServer({ events: {} });
   const onLogMock = jest.fn();
   loggingServer.events.on('log', onLogMock);
 
   const timestamp = 1554433221100;
-  const firstLogRecord = {
+  const firstLogRecord: LogRecord = {
     timestamp: new Date(timestamp),
     pid: 5355,
-    level: LogLevel.Info,
+    level: {
+      id: 'info',
+      value: 5,
+    },
     context: 'some-context',
     message: 'some-message',
   };
 
-  const secondLogRecord = {
+  const secondLogRecord: LogRecord = {
     timestamp: new Date(timestamp),
     pid: 5355,
-    level: LogLevel.Error,
+    level: {
+      id: 'error',
+      value: 3,
+    },
     context: 'some-context.sub-context',
     message: 'some-message',
     meta: { unknown: 2 },
     error: new Error('some-error'),
   };
 
-  const thirdLogRecord = {
+  const thirdLogRecord: LogRecord = {
     timestamp: new Date(timestamp),
     pid: 5355,
-    level: LogLevel.Trace,
+    level: {
+      id: 'trace',
+      value: 7,
+    },
     context: 'some-context.sub-context',
     message: 'some-message',
     meta: { tags: ['important', 'tags'], unknown: 2 },

diff --git a/...r/legacy/logging/legacy_logging_server.ts → ...gacy-logging/src/legacy_logging_server.ts b/...r/legacy/logging/legacy_logging_server.ts → ...gacy-logging/src/legacy_logging_server.ts
@@ -17,29 +17,40 @@
  * under the License.
  */
 
-import { ServerExtType } from '@hapi/hapi';
-import Podium from '@hapi/podium';
-// @ts-expect-error: implicit any for JS file
-import { Config } from '../../../../legacy/server/config';
-// @ts-expect-error: implicit any for JS file
-import { setupLogging } from '../../../../legacy/server/logging';
-import { LogLevel, LogRecord } from '../../logging';
-import { LegacyVars } from '../../types';
-
-export const metadataSymbol = Symbol('log message with metadata');
-export function attachMetaData(message: string, metadata: LegacyVars = {}) {
-  return {
-    [metadataSymbol]: {
-      message,
-      metadata,
-    },
-  };
+import { ServerExtType, Server } from '@hapi/hapi';
+import Podium from 'podium';
+import { setupLogging } from './setup_logging';
+import { attachMetaData } from './metadata';
+import { legacyLoggingConfigSchema } from './schema';
+
+// these LogXXX types are duplicated to avoid a cross dependency with the @kbn/logging package.
+// typescript will error if they diverge at some point.
+type LogLevelId = 'all' | 'fatal' | 'error' | 'warn' | 'info' | 'debug' | 'trace' | 'off';
+
+interface LogLevel {
+  id: LogLevelId;
+  value: number;
+}
+
+export interface LogRecord {
+  timestamp: Date;
+  level: LogLevel;
+  context: string;
+  message: string;
+  error?: Error;
+  meta?: { [name: string]: any };
+  pid: number;
 }
+
 const isEmptyObject = (obj: object) => Object.keys(obj).length === 0;
 
 function getDataToLog(error: Error | undefined, metadata: object, message: string) {
-  if (error) return error;
-  if (!isEmptyObject(metadata)) return attachMetaData(message, metadata);
+  if (error) {
+    return error;
+  }
+  if (!isEmptyObject(metadata)) {
+    return attachMetaData(message, metadata);
+  }
   return message;
 }
 
@@ -50,7 +61,7 @@ interface PluginRegisterParams {
       options: PluginRegisterParams['options']
     ) => Promise<void>;
   };
-  options: LegacyVars;
+  options: Record<string, any>;
 }
 
 /**
@@ -84,22 +95,19 @@ export class LegacyLoggingServer {
 
   private onPostStopCallback?: () => void;
 
-  constructor(legacyLoggingConfig: Readonly<LegacyVars>) {
+  constructor(legacyLoggingConfig: any) {
     // We set `ops.interval` to max allowed number and `ops` filter to value
     // that doesn't exist to avoid logging of ops at all, if turned on it will be
     // logged by the "legacy" Kibana.
-    const config = {
-      logging: {
-        ...legacyLoggingConfig,
-        events: {
-          ...legacyLoggingConfig.events,
-          ops: '__no-ops__',
-        },
+    const { value: loggingConfig } = legacyLoggingConfigSchema.validate({
+      ...legacyLoggingConfig,
+      events: {
+        ...legacyLoggingConfig.events,
+        ops: '__no-ops__',
       },
-      ops: { interval: 2147483647 },
-    };
+    });
 
-    setupLogging(this, Config.withDefaultSchema(config));
+    setupLogging((this as unknown) as Server, loggingConfig, 2147483647);
   }
 
   public register({ plugin: { register }, options }: PluginRegisterParams): Promise<void> {

diff --git a/packages/kbn-legacy-logging/src/log_events.ts b/packages/kbn-legacy-logging/src/log_events.ts
@@ -0,0 +1,80 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { EventData, isEventData } from './metadata';
+
+export interface BaseEvent {
+  event: string;
+  timestamp: number;
+  pid: number;
+  tags?: string[];
+}
+
+export interface ResponseEvent extends BaseEvent {
+  event: 'response';
+  method: 'GET' | 'POST' | 'PUT' | 'DELETE';
+  statusCode: number;
+  path: string;
+  headers: Record<string, string | string[]>;
+  responsePayload: string;
+  responseTime: string;
+  query: Record<string, any>;
+}
+
+export interface OpsEvent extends BaseEvent {
+  event: 'ops';
+  os: {
+    load: string[];
+  };
+  proc: Record<string, any>;
+  load: string;
+}
+
+export interface ErrorEvent extends BaseEvent {
+  event: 'error';
+  error: Error;
+  url: string;
+}
+
+export interface UndeclaredErrorEvent extends BaseEvent {
+  error: Error;
+}
+
+export interface LogEvent extends BaseEvent {
+  data: EventData;
+}
+
+export interface UnkownEvent extends BaseEvent {
+  data: string | Record<string, any>;
+}
+
+export type AnyEvent =
+  | ResponseEvent
+  | OpsEvent
+  | ErrorEvent
+  | UndeclaredErrorEvent
+  | LogEvent
+  | UnkownEvent;
+
+export const isResponseEvent = (e: AnyEvent): e is ResponseEvent => e.event === 'response';
+export const isOpsEvent = (e: AnyEvent): e is OpsEvent => e.event === 'ops';
+export const isErrorEvent = (e: AnyEvent): e is ErrorEvent => e.event === 'error';
+export const isLogEvent = (e: AnyEvent): e is LogEvent => isEventData((e as LogEvent).data);
+export const isUndeclaredErrorEvent = (e: AnyEvent): e is UndeclaredErrorEvent =>
+  (e as any).error instanceof Error;