start/stop/reboot/delete take multiple arguments, fixes #38

lib/do_startstop_instance.js

@@ -16,6 +16,12 @@ var f = require('util').format;
 var assert = require('assert-plus');
 var common = require('./common');
 
+var vasync = require('vasync');
+
+function perror(err) {
+    console.error('error: %s', err.message);
+}
+
 function do_startstop_instance(action) {
     assert.ok(['start', 'stop', 'reboot', 'delete'].indexOf(action) >= 0,
         'invalid action');
@@ -29,7 +35,7 @@ function do_startstop_instance(action) {
         f('%s a single instance.', common.capitalize(action)),
         f(''),
         f('Usage:'),
-        f('       {{name}} %s <alias|id>', action),
+        f('       {{name}} %s <alias|id> ...', action),
         f(''),
         f('{{options}}')
     ].join('\n');
@@ -80,34 +86,38 @@ function _do_instance(action, subcmd, opts, args, callback) {
     if (opts.help) {
         this.do_help('help', {}, [subcmd], callback);
         return;
-    } else if (args.length !== 1) {
+    } else if (args.length < 1) {
         callback(new Error('invalid args: ' + args));
         return;
     }
 
-    var arg = args[0];
-    var uuid, alias;
-
+    vasync.forEachParallel({
+        func: function (arg, cb) {
+            var alias, uuid;
             if (common.isUUID(arg)) {
                 uuid = arg;
-        go1();
+                done();
             } else {
                 self.tritonapi.getInstance(arg, function (err, inst) {
                     if (err) {
-                callback(err);
+                        perror(err);
+                        cb(err);
                         return;
                     }
                     alias = arg;
                     uuid = inst.id;
-            go1();
+                    done();
                 });
             }
 
-    function go1() {
             // called when "uuid" is set
-        self.tritonapi.cloudapi[command](uuid, function (err, body, res) {
+            function done() {
+                self.tritonapi.cloudapi[command](uuid,
+                    function (err, body, res) {
+
                     if (err) {
-                callback(err);
+                        perror(err);
+                        cb(err);
                         return;
                     }
 
@@ -118,7 +128,7 @@ function _do_instance(action, subcmd, opts, args, callback) {
                         else
                             console.log('%s (async) instance %s',
                                 common.capitalize(action), uuid);
-                callback();
+                        cb();
                         return;
                     }
 
@@ -126,11 +136,13 @@ function _do_instance(action, subcmd, opts, args, callback) {
                         id: uuid,
                         states: [state]
                     }, function (err2, inst2, res2) {
-                if (action === 'delete' && res2 && res2.statusCode === 410) {
+                        if (action === 'delete' &&
+                            res2 && res2.statusCode === 410) {
                             // This is success, fall through to bottom.
                             /* jsl:pass */
                         } else if (err2) {
-                    callback(err2);
+                            perror(err2);
+                            cb(err2);
                             return;
                         }
 
@@ -142,10 +154,16 @@ function _do_instance(action, subcmd, opts, args, callback) {
                             console.log('%s instance %s (%s)',
                                 common.capitalize(action), uuid, dur);
 
-                callback();
+                        cb();
                     });
                 });
             }
+        },
+        inputs: args
+    }, function (err, results) {
+        var e = err ? (new Error('command failure')) : null;
+        callback(e);
+    });
 }
 
 module.exports = do_startstop_instance;