Adds support for installing azdata on Linux (#11469)

extensions/azdata/src/common/childProcess.ts

@@ -5,6 +5,7 @@
 
 import * as vscode from 'vscode';
 import * as cp from 'child_process';
+import * as sudo from 'sudo-prompt';
 import * as loc from '../localizedConstants';
 
 /**
@@ -17,7 +18,7 @@ export class ExitCodeError extends Error {
 }
 
 /**
- *
+ * Executes the specified command. Throws an error for a non-0 exit code or if stderr receives output
  * @param command The command to execute
  * @param args Optional args to pass, every arg and arg value must be a separate item in the array
  * @param outputChannel Channel used to display diagnostic information
@@ -42,3 +43,25 @@ export async function executeCommand(command: string, args?: string[], outputCha
 		});
 	});
 }
+
+/**
+ * Executes a command with admin privileges. The user will be prompted to enter credentials for invocation of
+ * this function. The exact prompt is platform-dependent.
+ * @param command The command to execute
+ * @param args The additional args
+ * @param outputChannel Channel used to display diagnostic information
+ */
+export async function executeSudoCommand(command: string, outputChannel?: vscode.OutputChannel): Promise<string> {
+	return new Promise<string>((resolve, reject) => {
+		outputChannel?.appendLine(loc.executingCommand(`sudo ${command}`, []));
+		sudo.exec(command, { name: vscode.env.appName }, (error, stdout, stderr) => {
+			if (error) {
+				reject(error);
+			} else if (stderr) {
+				reject(stderr.toString('utf8'));
+			} else {
+				resolve(stdout ? stdout.toString('utf8') : '');
+			}
+		});
+	});
+}