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node-spearhead/lib/do_services.js
Trent Mick fabe0a0841 joyent/node-triton#113 error help for usage errors
This builds on cmdln 4.x's "errHelp" facilities.
2016-06-08 14:13:21 -07:00

91 lines
2.1 KiB
JavaScript

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/*
* Copyright 2015 Joyent, Inc.
*
* `triton services ...`
*/
var tabula = require('tabula');
var common = require('./common');
// columns default without -o
var columnsDefault = 'name,endpoint';
// sort default with -s
var sortDefault = 'name';
function do_services(subcmd, opts, args, callback) {
if (opts.help) {
this.do_help('help', {}, [subcmd], callback);
return;
} else if (args.length !== 0) {
callback(new Error('invalid args: ' + args));
return;
}
var columns = opts.o.split(',');
var sort = opts.s.split(',');
this.tritonapi.cloudapi.listServices(function (err, services) {
if (err) {
callback(err);
return;
}
if (opts.json) {
console.log(JSON.stringify(services));
} else {
/*
* services are returned in the form of:
* {name: 'endpoint', name2: 'endpoint2', ...}
* we "normalize" them for use by tabula and JSON stream
* by making them an array
*/
var svcs = [];
Object.keys(services).forEach(function (key) {
svcs.push({
name: key,
endpoint: services[key]
});
});
tabula(svcs, {
skipHeader: opts.H,
columns: columns,
sort: sort,
dottedLookup: true
});
}
callback();
});
}
do_services.options = [
{
names: ['help', 'h'],
type: 'bool',
help: 'Show this help.'
}
].concat(common.getCliTableOptions({
columnsDefault: columnsDefault,
sortDefault: sortDefault
}));
do_services.synopses = ['{{name}} {{cmd}}'];
do_services.help = [
'Show services information',
'',
'{{usage}}',
'',
'{{options}}'
].join('\n');
module.exports = do_services;