add interface for env var provider

Author: jankuca

src/kernels/deepnote/deepnoteServerStarter.node.ts

@@ -17,7 +17,7 @@ import * as fs from 'fs-extra';
 import * as os from 'os';
 import * as path from '../../platform/vscode-path/path';
 import { generateUuid } from '../../platform/common/uuid';
-import { SqlIntegrationEnvironmentVariablesProvider } from '../../platform/notebooks/deepnote/sqlIntegrationEnvironmentVariablesProvider';
+import { ISqlIntegrationEnvVarsProvider } from '../../platform/notebooks/deepnote/types';
 
 /**
  * Lock file data structure for tracking server ownership

src/kernels/serviceRegistry.node.ts

@@ -49,6 +49,7 @@ import { ClearJupyterServersCommand } from './jupyter/clearJupyterServersCommand
 import { KernelChatStartupCodeProvider } from './chat/kernelStartupCodeProvider';
 import { KernelWorkingDirectory } from './raw/session/kernelWorkingDirectory.node';
 import { SqlIntegrationEnvironmentVariablesProvider } from '../platform/notebooks/deepnote/sqlIntegrationEnvironmentVariablesProvider';
+import { ISqlIntegrationEnvVarsProvider } from '../platform/notebooks/deepnote/types';
 
 export function registerTypes(serviceManager: IServiceManager, isDevMode: boolean) {
     serviceManager.addSingleton<IExtensionSyncActivationService>(IExtensionSyncActivationService, Activation);
@@ -63,8 +64,8 @@ export function registerTypes(serviceManager: IServiceManager, isDevMode: boolea
     );
     serviceManager.addSingleton<IRawKernelSessionFactory>(IRawKernelSessionFactory, RawKernelSessionFactory);
     serviceManager.addSingleton<IKernelLauncher>(IKernelLauncher, KernelLauncher);
-    serviceManager.addSingleton<SqlIntegrationEnvironmentVariablesProvider>(
-        SqlIntegrationEnvironmentVariablesProvider,
+    serviceManager.addSingleton<ISqlIntegrationEnvVarsProvider>(
+        ISqlIntegrationEnvVarsProvider,
         SqlIntegrationEnvironmentVariablesProvider
     );
     serviceManager.addSingleton<KernelEnvironmentVariablesService>(

src/platform/notebooks/deepnote/types.ts

@@ -1,5 +1,6 @@
-import { Event } from 'vscode';
-import { IDisposable } from '../../common/types';
+import { CancellationToken, Event } from 'vscode';
+import { IDisposable, Resource } from '../../common/types';
+import { EnvironmentVariables } from '../../common/variables/types';
 import { IntegrationConfig } from './integrationTypes';
 
 export const IIntegrationStorage = Symbol('IIntegrationStorage');
@@ -23,3 +24,15 @@ export interface IIntegrationStorage extends IDisposable {
     clear(): Promise<void>;
 }
 
+export const ISqlIntegrationEnvVarsProvider = Symbol('ISqlIntegrationEnvVarsProvider');
+export interface ISqlIntegrationEnvVarsProvider {
+    /**
+     * Event fired when environment variables change
+     */
+    readonly onDidChangeEnvironmentVariables: Event<Resource>;
+
+    /**
+     * Get environment variables for SQL integrations used in the given notebook.
+     */
+    getEnvironmentVariables(resource: Resource, token?: CancellationToken): Promise<EnvironmentVariables>;
+}