Adds basic telemetry

src/commands/commands.ts

@@ -1,6 +1,7 @@
 'use strict';
 import { commands, Disposable, TextEditor, TextEditorEdit, Uri, window, workspace } from 'vscode';
 import { BuiltInCommands } from '../constants';
+import { Telemetry } from '../telemetry';
 
 export type Commands = 'gitlens.closeUnchangedFiles' | 'gitlens.copyMessageToClipboard' | 'gitlens.copyShaToClipboard' |
     'gitlens.diffDirectory' | 'gitlens.diffWithBranch' | 'gitlens.diffWithNext' | 'gitlens.diffWithPrevious' | 'gitlens.diffLineWithPrevious' | 'gitlens.diffWithWorking' | 'gitlens.diffLineWithWorking' |
@@ -54,6 +55,7 @@ export abstract class Command extends Disposable {
     }
 
     protected _execute(...args: any[]): any {
+        Telemetry.trackEvent(this.command);
         return this.execute(...args);
     }
 
@@ -74,6 +76,7 @@ export abstract class EditorCommand extends Disposable {
     }
 
     private _execute(editor: TextEditor, edit: TextEditorEdit, ...args: any[]): any {
+        Telemetry.trackEvent(this.command);
         return this.execute(editor, edit, ...args);
     }
 

src/constants.ts

@@ -32,3 +32,6 @@ export const WorkspaceState = {
     RepoPath: 'repoPath' as WorkspaceState,
     SuppressGitVersionWarning: 'suppressGitVersionWarning' as WorkspaceState
 };
+
+export const ExtensionId = 'eamodio.gitlens';
+export const ApplicationInsightsKey = 'a9c302f8-6483-4d01-b92c-c159c799c679';

src/extension.ts

@@ -1,4 +1,5 @@
 'use strict';
+import { Objects } from './system';
 import { commands, ExtensionContext, extensions, languages, Uri, window, workspace } from 'vscode';
 import { BlameabilityTracker } from './blameabilityTracker';
 import { BlameActiveLineController } from './blameActiveLineController';
@@ -14,18 +15,20 @@ import { ShowBlameHistoryCommand, ShowFileHistoryCommand } from './commands';
 import { ShowLastQuickPickCommand, ShowQuickBranchHistoryCommand, ShowQuickCurrentBranchHistoryCommand, ShowQuickCommitDetailsCommand, ShowQuickCommitFileDetailsCommand, ShowQuickFileHistoryCommand, ShowQuickRepoStatusCommand} from './commands';
 import { ToggleCodeLensCommand } from './commands';
 import { Keyboard } from './commands';
-import { IAdvancedConfig, IBlameConfig } from './configuration';
+import { IConfig } from './configuration';
-import { BuiltInCommands, WorkspaceState } from './constants';
+import { ApplicationInsightsKey, BuiltInCommands, ExtensionId, WorkspaceState } from './constants';
 import { GitContentProvider } from './gitContentProvider';
 import { Git, GitService } from './gitService';
 import { GitRevisionCodeLensProvider } from './gitRevisionCodeLensProvider';
 import { Logger } from './logger';
+import { Telemetry } from './telemetry';
 
 // this method is called when your extension is activated
 export async function activate(context: ExtensionContext) {
     Logger.configure(context);
+    Telemetry.configure(ApplicationInsightsKey);
 
-    const gitlens = extensions.getExtension('eamodio.gitlens');
+    const gitlens = extensions.getExtension(ExtensionId);
     const gitlensVersion = gitlens.packageJSON.version;
 
     // Workspace not using a folder. No access to git repo.
@@ -38,10 +41,10 @@ export async function activate(context: ExtensionContext) {
     const rootPath = workspace.rootPath.replace(/\\/g, '/');
     Logger.log(`GitLens(v${gitlensVersion}) active: ${rootPath}`);
 
-    const config = workspace.getConfiguration('gitlens');
+    const config = workspace.getConfiguration('').get<IConfig>('gitlens');
-    const gitPath = config.get<IAdvancedConfig>('advanced').git;
+    const gitPath = config.advanced.git;
 
-    configureCssCharacters(config.get<IBlameConfig>('blame'));
+    configureCssCharacters(config.blame);
 
     let repoPath: string;
     try {
@@ -59,6 +62,12 @@ export async function activate(context: ExtensionContext) {
     const gitVersion = Git.gitInfo().version;
     Logger.log(`Git version: ${gitVersion}`);
 
+    const telemetryContext: { [id: string]: any } = Object.create(null);
+    telemetryContext.name = ExtensionId;
+    telemetryContext.version = gitlensVersion;
+    telemetryContext.git_version = gitVersion;
+    Telemetry.setContext(telemetryContext);
+
     notifyOnUnsupportedGitVersion(context, gitVersion);
     notifyOnNewGitLensVersion(context, gitlensVersion);
 
@@ -110,6 +119,8 @@ export async function activate(context: ExtensionContext) {
     context.subscriptions.push(new ShowQuickFileHistoryCommand(git));
     context.subscriptions.push(new ShowQuickRepoStatusCommand(git, repoPath));
     context.subscriptions.push(new ToggleCodeLensCommand(git));
+
+    Telemetry.trackEvent('initialized', Objects.flatten(config, 'config', true));
 }
 
 // this method is called when your extension is deactivated

src/logger.ts

@@ -1,6 +1,7 @@
 'use strict';
 import { ExtensionContext, OutputChannel, window, workspace } from 'vscode';
 import { IAdvancedConfig } from './configuration';
+import { Telemetry } from './telemetry';
 
 const ConfigurationName = 'gitlens';
 const OutputChannelName = 'GitLens';
@@ -58,6 +59,8 @@ export class Logger {
         if (level !== OutputLevel.Silent) {
             output.appendLine([ex, ...params].join(' '));
         }
+
+        Telemetry.trackException(ex);
     }
 
     static warn(message?: any, ...params: any[]): void {

src/system/object.ts

@@ -12,4 +12,48 @@ export namespace Objects {
             yield [key, o[key]];
         }
     }
+
+    export function flatten(o: any, prefix: string = '', stringify: boolean = false): { [key: string]: any } {
+        let flattened = Object.create(null);
+        _flatten(flattened, prefix, o, stringify);
+        return flattened;
+    }
+
+    function _flatten(flattened: { [key: string]: any }, key: string, value: any, stringify: boolean = false) {
+        if (Object(value) !== value) {
+            if (stringify) {
+                if (value == null) {
+                    flattened[key] = null;
+                }
+                else if (typeof value === 'string') {
+                    flattened[key] = value;
+                }
+                else {
+                    flattened[key] = JSON.stringify(value);
+                }
+            }
+            else {
+                flattened[key] = value;
+            }
+        }
+        else if (Array.isArray(value)) {
+            let len = value.length;
+            for (let i = 0; i < len; i++) {
+                _flatten(flattened, `${key}[${i}]`, value[i], stringify);
+            }
+            if (len === 0) {
+                flattened[key] = null;
+            }
+        }
+        else {
+            let isEmpty = true;
+            for (let p in value) {
+                isEmpty = false;
+                _flatten(flattened, key ? `${key}.${p}` : p, value[p], stringify);
+            }
+            if (isEmpty && key) {
+                flattened[key] = null;
+            }
+        }
+    }
 }

src/telemetry.ts

@@ -0,0 +1,105 @@
+'use strict';
+import { Disposable, workspace } from 'vscode';
+import * as vscode from 'vscode';
+import * as appInsights from 'applicationinsights';
+import * as os from 'os';
+
+let _reporter: TelemetryReporter;
+
+export class Telemetry extends Disposable {
+
+    static configure(key: string) {
+        _reporter = new TelemetryReporter(key);
+    }
+
+    static setContext(context?: { [key: string]: string }) {
+        _reporter && _reporter.setContext(context);
+    }
+
+    static trackEvent(name: string, properties?: { [key: string]: string }, measurements?: { [key: string]: number; }) {
+        _reporter && _reporter.trackEvent(name, properties, measurements);
+    }
+
+    static trackException(ex: Error) {
+        _reporter && _reporter.trackException(ex);
+    }
+}
+
+export class TelemetryReporter extends Disposable {
+
+    private _client: typeof appInsights.client;
+    private _context: { [key: string]: string };
+    private _disposable: Disposable;
+    private _enabled: boolean;
+
+    constructor(key: string) {
+        super(() => this.dispose());
+
+        appInsights.setup(key)
+            .setAutoCollectConsole(false)
+            .setAutoCollectExceptions(false)
+            .setAutoCollectPerformance(false)
+            .setAutoCollectRequests(false);
+
+        (appInsights as any).setAutoCollectDependencies(false)
+            .setOfflineMode(true);
+
+        this._client = appInsights.start().client;
+
+        this.setContext();
+        this._stripPII(appInsights.client);
+
+        this._onConfigurationChanged();
+
+        const subscriptions: Disposable[] = [];
+
+        subscriptions.push(workspace.onDidChangeConfiguration(this._onConfigurationChanged, this));
+
+        this._disposable = Disposable.from(...subscriptions);
+    }
+
+    dispose() {
+        this._disposable && this._disposable.dispose();
+    }
+
+    setContext(context?: { [key: string]: string }) {
+        if (!this._context) {
+            this._context = Object.create(null);
+
+            // Add vscode properties
+            this._context.code_language = vscode.env.language;
+            this._context.code_version = vscode.version;
+
+            // Add os properties
+            this._context.os = os.platform();
+            this._context.os_version = os.release();
+        }
+
+        if (context) {
+            Object.assign(this._context, context);
+        }
+
+        Object.assign(this._client.commonProperties, this._context);
+    }
+
+    trackEvent(name: string, properties?: { [key: string]: string }, measurements?: { [key: string]: number; }) {
+        if (!this._enabled) return;
+        this._client.trackEvent(name, properties, measurements);
+    }
+
+    trackException(ex: Error) {
+        if (!this._enabled) return;
+        this._client.trackException(ex);
+    }
+
+    private _onConfigurationChanged() {
+        this._enabled = workspace.getConfiguration('telemetry').get<boolean>('enableTelemetry', true);
+    }
+
+    private _stripPII(client: typeof appInsights.client) {
+        if (client && client.context && client.context.keys && client.context.tags) {
+            const machineNameKey = client.context.keys.deviceMachineName;
+            client.context.tags[machineNameKey] = '';
+        }
+    }
+}