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node-spearhead/lib/do_startstop_instance.js

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/*
* Copyright 2015 Joyent Inc.
*
* `triton stop-instance ...`
*/
var f = require('util').format;
var assert = require('assert-plus');
var common = require('./common');
function do_startstop_instance(action) {
assert.ok(['start', 'stop', 'reboot'].indexOf(action) >= 0,
'invalid action');
function _do_startstop_instance(subcmd, opts, args, callback) {
return _do_instance.call(this, action, subcmd, opts, args, callback);
}
_do_startstop_instance.aliases = [action];
_do_startstop_instance.help = [
f('%s a single instance.', action),
f(''),
f('Usage:'),
f(' {{name}} %s <alias|id>', action),
f(''),
f('{{options}}')
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].join('\n');
_do_startstop_instance.options = [
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{
names: ['help', 'h'],
type: 'bool',
help: 'Show this help.'
},
{
names: ['wait', 'w'],
type: 'bool',
help: 'Block until desired state is reached.'
},
];
return _do_startstop_instance;
}
function _do_instance(action, subcmd, opts, args, callback) {
var self = this;
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var now = Date.now();
var command, state;
switch (action) {
case 'start':
command = 'startMachine';
state = 'running';
break;
case 'stop':
command = 'stopMachine';
state = 'stopped';
break;
case 'reboot':
command = 'rebootMachine';
state = 'running';
break;
}
if (opts.help) {
this.do_help('help', {}, [subcmd], callback);
return;
} else if (args.length !== 1) {
callback(new Error('invalid args: ' + args));
return;
}
var arg = args[0];
var uuid;
if (common.isUUID(arg)) {
uuid = arg;
go1();
} else {
self.triton.getMachineByAlias(arg, function (err, machine) {
if (err) {
callback(err);
return;
}
uuid = machine.id;
go1();
});
}
function go1() {
// called when "uuid" is set
self.triton.cloudapi[command](uuid, function (err, body, res) {
if (err) {
callback(err);
return;
}
if (!opts.wait) {
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console.log('%s (async) instance %s (id %s, %s)',
common.capitalize(action), arg, uuid,
common.humanDurationFromMs(Date.now() - now));
callback();
return;
}
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self.triton.cloudapi.waitForMachineStates({
id: uuid,
states: [state]
}, function (err, machine) {
if (err) {
callback(err);
return;
}
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console.log('%s instance %s (id %s, %s)',
common.capitalize(action), arg, uuid,
common.humanDurationFromMs(Date.now() - now));
callback();
});
});
}
}
module.exports = do_startstop_instance;