Machine Learning Services Settings (#8968)

* Added two config to Machine Learning Services extension to enable and disable python and r

extensions/machine-learning-services/src/packageManagement/packageManager.ts

@@ -132,6 +132,9 @@ export class PackageManager {
 	}
 
 	private async installRequiredRPackages(startBackgroundOperation: azdata.BackgroundOperation): Promise<void> {
+		if (!this._config.rEnabled) {
+			return;
+		}
 		if (!this._rExecutable) {
 			throw new Error(constants.rConfigError);
 		}
@@ -143,6 +146,9 @@ export class PackageManager {
 	 * Installs required python packages
 	 */
 	private async installRequiredPythonPackages(): Promise<void> {
+		if (!this._config.pythonEnabled) {
+			return;
+		}
 		if (!this._pythonExecutable) {
 			throw new Error(constants.pythonConfigError);
 		}

extensions/machine-learning-services/src/packageManagement/sqlPythonPackageManageProvider.ts

@@ -93,6 +93,9 @@ export class SqlPythonPackageManageProvider extends SqlPackageManageProviderBase
 	 * Returns true if the provider can be used
 	 */
 	async canUseProvider(): Promise<boolean> {
+		if (!this._config.pythonEnabled) {
+			return false;
+		}
 		let connection = await this.getCurrentConnection();
 		if (connection && await this._queryRunner.isPythonInstalled(connection)) {
 			return true;

extensions/machine-learning-services/src/packageManagement/sqlRPackageManageProvider.ts

@@ -92,6 +92,9 @@ export class SqlRPackageManageProvider extends SqlPackageManageProviderBase impl
 	 * Returns true if the provider can be used
 	 */
 	async canUseProvider(): Promise<boolean> {
+		if (!this._config.rEnabled) {
+			return false;
+		}
 		let connection = await this.getCurrentConnection();
 		if (connection && await this._queryRunner.isRInstalled(connection)) {
 			return true;