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node-spearhead/lib/do_instance/do_ssh.js

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/*
* 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 2016 Joyent, Inc.
*
* `triton instance ssh ...`
*/
var spawn = require('child_process').spawn;
var common = require('../common');
function do_ssh(subcmd, opts, args, callback) {
var self = this;
if (opts.help) {
this.do_help('help', {}, [subcmd], callback);
return;
} else if (args.length === 0) {
callback(new Error('invalid args: ' + args));
return;
}
var id = args.shift();
var user = 'root';
var i = id.indexOf('@');
if (i >= 0) {
user = id.substr(0, i);
id = id.substr(i + 1);
}
this.top.tritonapi.getInstance(id, function (err, inst) {
if (err) {
callback(err);
return;
}
var ip = inst.primaryIp;
if (!ip) {
callback(new Error('primaryIp not found for instance'));
return;
}
args = ['-l', user].concat(ip).concat(args);
self.top.log.info({args: args}, 'forking ssh');
var child = spawn('ssh', args);
child.stdout.on('data', function (chunk) {
process.stdout.write(chunk);
});
child.stderr.on('data', function (chunk) {
process.stderr.write(chunk);
});
child.on('close', function (code) {
/*
* Once node 0.10 support is dropped we could instead:
* process.exitCode = code;
* callback();
*/
process.exit(code);
});
});
}
do_ssh.options = [
{
names: ['help', 'h'],
type: 'bool',
help: 'Show this help.'
}
];
do_ssh.help = (
'SSH to the primary IP of an instance\n'
+ '\n'
+ 'Usage:\n'
+ ' {{name}} ssh <alias|id> [arguments]\n'
+ '\n'
+ '{{options}}'
);
do_ssh.interspersedOptions = false;
// Use 'file' to fallback to the default bash completion... even though 'file'
// isn't quite right.
do_ssh.completionArgtypes = ['tritoninstance', 'file'];
module.exports = do_ssh;