Merge pull request #7 from StackerHQ/shell-command

add shell command

Author: Andrei Canta

src/commands/shell.js

@@ -0,0 +1,37 @@
+import inquirer from 'inquirer';
+
+import { StackConfig, StackManager } from 'stacker-core';
+
+
+async function getServiceName(stack) {
+  const choices = stack.services.values().filter(service => service.shell).map(service => service.name);
+  const answers = await inquirer.prompt({
+    type: 'list',
+    name: 'service',
+    message: 'Select service',
+    choices,
+  });
+  return answers.service;
+}
+
+async function handle(args, options, logger) {
+  const config = await StackConfig.loadRecursive(process.cwd());
+  const manager = new StackManager(config);
+  const service = args.service || await getServiceName(manager.stack);
+
+  try {
+    manager.shell(service);
+  } catch (error) {
+    logger.info(error.message);
+  }
+}
+
+function register(program) {
+  program
+    .command('shell', 'Open shell')
+    .alias('sh')
+    .argument('[service]', 'Service name')
+    .action(handle);
+}
+
+export default { register };

src/stacker.js

@@ -15,6 +15,7 @@ import run from './commands/run';
 import start from './commands/start';
 import stop from './commands/stop';
 import unlink from './commands/unlink';
+import shell from './commands/shell';
 
 
 // caporal hack
@@ -39,5 +40,6 @@ run.register(program);
 start.register(program);
 stop.register(program);
 unlink.register(program);
+shell.register(program);
 
 program.parse(process.argv);