fix(deps): update dependency @google-cloud/common to ^0.23.0

package.json

@@ -49,6 +49,7 @@
   },
   "devDependencies": {
     "@types/builtin-modules": "^2.0.0",
+    "@types/console-log-level": "^1.4.0",
     "@types/continuation-local-storage": "^3.2.1",
     "@types/extend": "^3.0.0",
     "@types/glob": "^5.0.32",
@@ -83,7 +84,6 @@
     "nyc": "^13.0.0",
     "once": "^1.4.0",
     "pify": "^4.0.0",
-    "request": "^2.83.0",
     "retry-axios": "^0.3.2",
     "rimraf": "^2.6.2",
     "source-map-support": "^0.5.6",
@@ -94,14 +94,16 @@
     "typescript": "~3.0.0"
   },
   "dependencies": {
-    "@google-cloud/common": "^0.20.3",
+    "@google-cloud/common": "^0.23.0",
     "builtin-modules": "^3.0.0",
+    "console-log-level": "^1.4.0",
     "continuation-local-storage": "^3.2.1",
     "extend": "^3.0.0",
     "gcp-metadata": "^0.7.0",
     "hex2dec": "^1.0.1",
     "is": "^3.2.0",
     "methods": "^1.1.1",
+    "request": "^2.83.0",
     "require-in-the-middle": "^3.0.0",
     "semver": "^5.4.1",
     "shimmer": "^1.2.0",

src/cls.ts

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-import {Logger} from '@google-cloud/common';
 import {EventEmitter} from 'events';
 import * as semver from 'semver';
 
@@ -24,6 +23,7 @@ import {CLS, Func} from './cls/base';
 import {NullCLS} from './cls/null';
 import {SingularCLS} from './cls/singular';
 import {SpanType} from './constants';
+import {Logger} from './logger';
 import {RootSpan} from './plugin-types';
 import {UNCORRELATED_ROOT_SPAN, UNTRACED_ROOT_SPAN} from './span-data';
 import {Trace, TraceSpan} from './trace';

src/logger.ts

@@ -0,0 +1,96 @@
+/**
+ * Copyright 2018 Google LLC
+ *
+ * Licensed 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 * as consoleLogLevel from 'console-log-level';
+import {defaultConfig} from './config';
+
+export type ConsoleLogLevel = 'error'|'warn'|'info'|'debug';
+export type LogLevel = 'silent'|ConsoleLogLevel;
+
+/**
+ * The list of log levels.
+ */
+export const LEVELS: ReadonlyArray<LogLevel> =
+    ['silent', 'error', 'warn', 'info', 'debug'];
+
+export interface LoggerConfig {
+  /**
+   * The minimum log level that will print to the console.
+   */
+  level: string|false;
+
+  /**
+   * A tag to use in log messages.
+   */
+  tag: string;
+}
+
+function logLevelToName(level?: number): LogLevel {
+  if (typeof level === 'string') {
+    level = Number(level);
+  }
+  if (typeof level !== 'number') {
+    level = defaultConfig.logLevel;
+  }
+  if (level < 0) level = 0;
+  if (level >= LEVELS.length) level = LEVELS.length - 1;
+  return LEVELS[level];
+}
+
+export class Logger {
+  private logger: consoleLogLevel.Logger|null;
+
+  constructor(opts?: Partial<LoggerConfig>) {
+    const levelName = opts && opts.level !== undefined ?
+        opts.level :
+        logLevelToName(defaultConfig.logLevel);
+
+    if (levelName === false || levelName === 'silent') {
+      this.logger = null;
+      return;
+    }
+
+    this.logger = consoleLogLevel({
+      stderr: true,
+      prefix: opts && opts.tag ? opts.tag : 'unknown',
+      level: levelName as ConsoleLogLevel
+    });
+  }
+
+  error(...args: Array<{}>): void {
+    if (this.logger) {
+      this.logger.error(...args);
+    }
+  }
+
+  warn(...args: Array<{}>): void {
+    if (this.logger) {
+      this.logger.warn(...args);
+    }
+  }
+
+  debug(...args: Array<{}>): void {
+    if (this.logger) {
+      this.logger.debug(...args);
+    }
+  }
+
+  info(...args: Array<{}>): void {
+    if (this.logger) {
+      this.logger.info(...args);
+    }
+  }
+}

src/trace-api.ts

@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-import {Logger} from '@google-cloud/common';
 import * as is from 'is';
 import * as uuid from 'uuid';
 
 import {cls, RootContext} from './cls';
 import {Constants, SpanType} from './constants';
+import {Logger} from './logger';
 import {Func, RootSpan, RootSpanOptions, Span, SpanOptions, Tracer} from './plugin-types';
 import {RootSpanData, UNCORRELATED_CHILD_SPAN, UNCORRELATED_ROOT_SPAN, UNTRACED_CHILD_SPAN, UNTRACED_ROOT_SPAN} from './span-data';
 import {TraceLabels} from './trace-labels';

src/trace-plugin-loader.ts

@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-import {Logger} from '@google-cloud/common';
 import * as builtinModules from 'builtin-modules';
 import * as path from 'path';
 import * as hook from 'require-in-the-middle';
 import * as semver from 'semver';
 
+import {Logger} from './logger';
 import {Intercept, Monkeypatch, Plugin} from './plugin-types';
 import {StackdriverTracer, StackdriverTracerConfig} from './trace-api';
 import {Singleton} from './util';

src/trace-writer.ts

@@ -19,8 +19,10 @@ import {AxiosError} from 'axios';
 import * as gcpMetadata from 'gcp-metadata';
 import {OutgoingHttpHeaders} from 'http';
 import * as os from 'os';
+import * as request from 'request';
 
 import {Constants} from './constants';
+import {Logger} from './logger';
 import {SpanKind, Trace} from './trace';
 import {TraceLabels} from './trace-labels';
 import {Singleton} from './util';
@@ -74,9 +76,10 @@ export class TraceWriter extends common.Service {
    */
   constructor(
       private readonly config: TraceWriterConfig,
-      private readonly logger: common.Logger) {
+      private readonly logger: Logger) {
     super(
         {
+          requestModule: request,
           packageJson: pjson,
           projectIdRequired: false,
           baseUrl: 'https://cloudtrace.googleapis.com/v1',

src/tracing.ts

@@ -14,11 +14,11 @@
  * limitations under the License.
  */
 
-import {Logger, logger} from '@google-cloud/common';
 import * as path from 'path';
 
 import {cls, TraceCLSConfig, TraceCLSMechanism} from './cls';
 import {CLSMechanism} from './config';
+import {LEVELS, Logger} from './logger';
 import {StackdriverTracer} from './trace-api';
 import {pluginLoader, PluginLoaderConfig} from './trace-plugin-loader';
 import {traceWriter, TraceWriterConfig} from './trace-writer';
@@ -54,9 +54,7 @@ export class Tracing implements Component {
     this.config = config;
     let logLevel = config.enabled ? config.logLevel : 0;
     // Clamp the logger level.
-    // TODO(kjin): When @google-cloud/common@0.19.2 is released, use
-    // Logger.LEVELS instead.
-    const defaultLevels = logger.LEVELS;
+    const defaultLevels = LEVELS;
     if (logLevel < 0) {
       logLevel = 0;
     } else if (logLevel >= defaultLevels.length) {

test/logger.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {Logger, logger, LoggerConfig} from '@google-cloud/common';
+import {LEVELS, Logger, LoggerConfig} from '../src/logger';
 
 const PASS_THROUGH_LOG_LEVEL = Number(process.env.GCLOUD_TEST_LOG_LEVEL || 0);
 // Capture the value of common.Logger so that we don't enter an infinite loop
@@ -26,13 +26,13 @@ const OriginalLogger = Logger;
 type LoggerFunction<R> = (message: any, ...args: any[]) => R;
 
 export class TestLogger extends Logger {
-  private logs: {[k in keyof Logger]: string[]} =
-      {silent: [], error: [], warn: [], info: [], debug: [], silly: []};
+  private logs: {[k in keyof Logger]:
+                     string[]} = {error: [], warn: [], info: [], debug: []};
   private innerLogger =
-      new OriginalLogger({level: logger.LEVELS[PASS_THROUGH_LOG_LEVEL]});
+      new OriginalLogger({level: LEVELS[PASS_THROUGH_LOG_LEVEL]});
 
   constructor(options?: Partial<LoggerConfig>) {
-    super(options);
+    super(Object.assign({tag: '@google-cloud/trace-agent'}, options));
   }
 
   private makeLoggerFn(logLevel: keyof Logger): LoggerFunction<this> {
@@ -50,7 +50,6 @@ export class TestLogger extends Logger {
   warn = this.makeLoggerFn('warn');
   info = this.makeLoggerFn('info');
   debug = this.makeLoggerFn('debug');
-  silly = this.makeLoggerFn('silly');
 
   getLogs(logLevel: keyof Logger): string[] {
     return this.logs[logLevel];

test/plugins/common.ts

@@ -30,10 +30,10 @@ import { StackdriverTracer } from '../../src/trace-api';
 import { traceWriter } from '../../src/trace-writer';
 import * as TracingPolicy from '../../src/tracing-policy';
 import { SpanType } from '../../src/constants';
+import { TestLogger } from '../logger';
 
 var semver = require('semver');
 
-var logger = require('@google-cloud/common').logger;
 var trace = require('../../..');
 if (semver.satisfies(process.version, '>=8')) {
   // Monkeypatch Mocha's it() to create a fresh context with each test case.
@@ -75,7 +75,7 @@ shimmer.wrap(trace, 'start', function(original) {
       ignoreContextHeader: false,
       rootSpanNameOverride: (name: string) => name,
       samplingRate: 0
-    }, logger());
+    }, new TestLogger());
     testTraceAgent.policy = new TracingPolicy.TraceAllPolicy();
     return result;
   };

test/test-config-plugins.ts

@@ -14,10 +14,10 @@
  * limitations under the License.
  */
 
-import {Logger} from '@google-cloud/common';
 import * as assert from 'assert';
 
 import {defaultConfig} from '../src/config';
+import {Logger} from '../src/logger';
 import {PluginLoader, PluginLoaderConfig} from '../src/trace-plugin-loader';
 
 import * as testTraceModule from './trace';

test/test-config.ts

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-import {Logger} from '@google-cloud/common';
 import * as assert from 'assert';
 import * as semver from 'semver';
 import * as util from 'util';
@@ -24,6 +23,7 @@ import {TraceCLSConfig, TraceCLSMechanism} from '../src/cls';
 import * as testTraceModule from './trace';
 import { NormalizedConfig } from '../src/tracing';
 import { StackdriverTracer } from '../src/trace-api';
+import {Logger} from '../src/logger';
 
 describe('Behavior set by config for context propagation mechanism', () => {
   const useAH = semver.satisfies(process.version, '>=8');

test/test-env-log-level.ts

@@ -14,11 +14,10 @@
  * limitations under the License.
  */
 
-import * as common from '@google-cloud/common';
 import * as assert from 'assert';
 import * as shimmer from 'shimmer';
 
-import {FORCE_NEW} from '../src/util';
+import * as logger from '../src/logger';
 
 import {TestLogger} from './logger';
 import * as traceTestModule from './trace';
@@ -40,12 +39,12 @@ describe('should respect environment variables', () => {
     process.env.GCLOUD_TRACE_LOGLEVEL = '4';
     // Wrap logger constructor so that the log level (string) is saved
     // in logLevel
-    shimmer.wrap(common, 'Logger', () => CaptureLogLevelTestLogger);
+    shimmer.wrap(logger, 'Logger', () => CaptureLogLevelTestLogger);
   });
 
   after(() => {
     delete process.env.GCLOUD_TRACE_LOGLEVEL;
-    shimmer.unwrap(common, 'logger');
+    shimmer.unwrap(logger, 'Logger');
   });
 
   afterEach(() => {
@@ -54,20 +53,20 @@ describe('should respect environment variables', () => {
 
   it('should respect GCLOUD_TRACE_LOGLEVEL', () => {
     traceTestModule.start();
-    assert.strictEqual(logLevel, common.logger.LEVELS[4]);
+    assert.strictEqual(logLevel, logger.LEVELS[4]);
   });
 
   it('should prefer env to config', () => {
     traceTestModule.start({logLevel: 2});
-    assert.strictEqual(logLevel, common.logger.LEVELS[4]);
+    assert.strictEqual(logLevel, logger.LEVELS[4]);
   });
 
   it('should fix out of bounds log level', () => {
     process.env.GCLOUD_TRACE_LOGLEVEL = '-5';
     traceTestModule.start();
-    assert.strictEqual(logLevel, common.logger.LEVELS[0]);
+    assert.strictEqual(logLevel, logger.LEVELS[0]);
     process.env.GCLOUD_TRACE_LOGLEVEL = '300';
     traceTestModule.start();
-    assert.strictEqual(logLevel, common.logger.LEVELS[5]);
+    assert.strictEqual(logLevel, logger.LEVELS[4]);
   });
 });

test/test-modules-loaded-before-agent.ts

@@ -14,10 +14,11 @@
  * limitations under the License.
  */
 
-import * as common from '@google-cloud/common';
 import * as assert from 'assert';
 import * as shimmer from 'shimmer';
 
+import * as log from '../src/logger';
+
 import {TestLogger} from './logger';
 import * as testTraceModule from './trace';
 
@@ -32,11 +33,11 @@ describe('modules loaded before agent', () => {
   }
 
   before(() => {
-    shimmer.wrap(common, 'Logger', () => CaptureTestLogger);
+    shimmer.wrap(log, 'Logger', () => CaptureTestLogger);
   });
 
   after(() => {
-    shimmer.unwrap(common, 'Logger');
+    shimmer.unwrap(log, 'Logger');
   });
 
   it('should log if modules were loaded before agent', () => {

test/test-plugin-loader.ts

@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-import {Logger} from '@google-cloud/common';
 import * as assert from 'assert';
 import * as path from 'path';
 import * as hook from 'require-in-the-middle';
 import * as shimmer from 'shimmer';
 
+import {Logger} from '../src/logger';
 import {PluginLoader, PluginLoaderState, PluginWrapper} from '../src/trace-plugin-loader';
 
 import {TestLogger} from './logger';