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node-spearhead/lib/cli.js

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/*
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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 2015 Joyent, Inc.
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*
* The `triton` CLI class.
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*/
var assert = require('assert-plus');
var bunyan = require('bunyan');
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var child_process = require('child_process'),
spawn = child_process.spawn,
exec = child_process.exec;
var cmdln = require('cmdln'),
Cmdln = cmdln.Cmdln;
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var mkdirp = require('mkdirp');
var util = require('util'),
format = util.format;
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var path = require('path');
var vasync = require('vasync');
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var common = require('./common');
var mod_config = require('./config');
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var errors = require('./errors');
var tritonapi = require('./tritonapi');
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//---- globals
var pkg = require('../package.json');
var CONFIG_DIR = path.resolve(process.env.HOME, '.triton');
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var OPTIONS = [
{
names: ['help', 'h'],
type: 'bool',
help: 'Print this help and exit.'
},
{
name: 'version',
type: 'bool',
help: 'Print version and exit.'
},
{
names: ['verbose', 'v'],
type: 'bool',
help: 'Verbose/debug output.'
},
{
names: ['profile', 'p'],
type: 'string',
completionType: 'tritonprofile',
env: 'TRITON_PROFILE',
helpArg: 'NAME',
help: 'Triton client profile to use.'
},
{
group: 'CloudAPI Options'
},
/*
* Environment variable integration.
*
* While dashdash supports integrated envvar parsing with options
* we don't use that with `triton` because (a) we want to apply *option*
* usage (but not envvars) to profiles other than the default 'env'
* profile, and (b) we want to support `TRITON_*` *and* `SDC_*` envvars,
* which dashdash doesn't support.
*
* See <https://github.com/joyent/node-triton/issues/28> for some details.
*/
{
names: ['account', 'a'],
type: 'string',
help: 'Account (login name). Environment: TRITON_ACCOUNT=ACCOUNT ' +
'or SDC_ACCOUNT=ACCOUNT.',
helpArg: 'ACCOUNT'
},
{
names: ['act-as'],
type: 'string',
help: 'Masquerade as the given account login name. This can only ' +
'succeed for operator accounts. Note that accesses like these ' +
'audited on the CloudAPI server side.',
helpArg: 'ACCOUNT',
hidden: true
},
{
names: ['user', 'u'],
type: 'string',
help: 'RBAC user (login name). Environment: TRITON_USER=USER ' +
'or SDC_USER=USER.',
helpArg: 'USER'
},
// TODO: full rbac support
//{
// names: ['role'],
// type: 'arrayOfString',
// env: 'MANTA_ROLE',
// help: 'Assume a role. Use multiple times or once with a list',
// helpArg: 'ROLE,ROLE,...'
//},
{
names: ['keyId', 'k'],
type: 'string',
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help: 'SSH key fingerprint. Environment: TRITON_KEY_ID=FINGERPRINT ' +
'or SDC_KEY_ID=FINGERPRINT.',
helpArg: 'FP'
},
{
names: ['url', 'U'],
type: 'string',
help: 'CloudAPI URL. Environment: TRITON_URL=URL or SDC_URL=URL.',
helpArg: 'URL'
},
{
names: ['J'],
type: 'string',
hidden: true,
help: 'Joyent Public Cloud (JPC) datacenter name. This is ' +
'a shortcut to the "https://$dc.api.joyent.com" ' +
'cloudapi URL.'
},
{
names: ['insecure', 'i'],
type: 'bool',
help: 'Do not validate the CloudAPI SSL certificate. Environment: ' +
'TRITON_TLS_INSECURE=1, SDC_TLS_INSECURE=1 (or the deprecated ' +
'SDC_TESTING=1).',
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'default': false
},
{
names: ['accept-version'],
type: 'string',
helpArg: 'VER',
help: 'A cloudapi API version, or semver range, to attempt to use. ' +
'This is passed in the "Accept-Version" header. ' +
'See `triton cloudapi /--ping` to list supported versions. ' +
'The default is "' + tritonapi.CLOUDAPI_ACCEPT_VERSION + '". ' +
'*This is intended for development use only. It could cause ' +
'`triton` processing of responses to break.*',
hidden: true
}
];
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// ---- other support stuff
function parseCommaSepStringNoEmpties(option, optstr, arg) {
// JSSTYLED
return arg.trim().split(/\s*,\s*/g)
.filter(function (part) { return part; });
}
cmdln.dashdash.addOptionType({
name: 'commaSepString',
takesArg: true,
helpArg: 'STRING',
parseArg: parseCommaSepStringNoEmpties
});
cmdln.dashdash.addOptionType({
name: 'arrayOfCommaSepString',
takesArg: true,
helpArg: 'STRING',
parseArg: parseCommaSepStringNoEmpties,
array: true,
arrayFlatten: true
});
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//---- CLI class
function CLI() {
Cmdln.call(this, {
name: 'triton',
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desc: pkg.description,
options: OPTIONS,
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helpOpts: {
includeEnv: true,
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minHelpCol: 30
},
helpSubcmds: [
'help',
'profile',
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{ group: 'Instances (aka VMs/Machines/Containers)' },
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'instance',
'instances',
'create',
'delete',
'start',
'stop',
'reboot',
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'ssh',
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{ group: 'Images, Packages, Networks' },
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'image',
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'package',
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'network',
{ group: 'Other Commands' },
'info',
'account',
'key',
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'services',
'datacenters'
],
helpBody: [
/* BEGIN JSSTYLED */
'Exit Status:',
' 0 Successful completion.',
' 1 An error occurred.',
' 2 Usage error.',
' 3 "ResourceNotFound" error. Returned when an instance, image,',
' package, etc. with the given name or id is not found.'
/* END JSSTYLED */
].join('\n')
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});
}
util.inherits(CLI, Cmdln);
CLI.prototype.init = function (opts, args, callback) {
var self = this;
this.opts = opts;
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this.log = bunyan.createLogger({
name: this.name,
serializers: bunyan.stdSerializers,
stream: process.stderr,
level: 'warn'
});
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if (opts.verbose) {
this.log.level('trace');
this.log.src = true;
this.showErrStack = true;
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}
if (opts.version) {
console.log(this.name, pkg.version);
callback(false);
return;
}
if (opts.url && opts.J) {
callback(new errors.UsageError(
'cannot use both "--url" and "-J" options'));
} else if (opts.J) {
opts.url = format('https://%s.api.joyent.com', opts.J);
}
this.configDir = CONFIG_DIR;
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this.__defineGetter__('tritonapi', function () {
if (self._tritonapi === undefined) {
var config = mod_config.loadConfig({
configDir: self.configDir
});
self.log.trace({config: config}, 'loaded config');
var profileName = opts.profile || config.profile || 'env';
var profile = mod_config.loadProfile({
configDir: self.configDir,
name: profileName
});
self._applyProfileOverrides(profile);
self.log.trace({profile: profile}, 'loaded profile');
self._tritonapi = tritonapi.createClient({
log: self.log,
profile: profile,
config: config
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});
}
return self._tritonapi;
});
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// Cmdln class handles `opts.help`.
Cmdln.prototype.init.apply(this, arguments);
};
CLI.prototype.fini = function fini(subcmd, err, cb) {
this.log.trace({err: err, subcmd: subcmd}, 'cli fini');
if (this._tritonapi) {
this._tritonapi.close();
delete this._tritonapi;
}
cb(err, subcmd);
};
/*
* Apply overrides from CLI options to the given profile object *in place*.
*/
CLI.prototype._applyProfileOverrides =
function _applyProfileOverrides(profile) {
var self = this;
[
{oname: 'account', pname: 'account'},
{oname: 'user', pname: 'user'},
{oname: 'url', pname: 'url'},
{oname: 'keyId', pname: 'keyId'},
{oname: 'insecure', pname: 'insecure'},
{oname: 'accept_version', pname: 'acceptVersion'},
{oname: 'act_as', pname: 'actAsAccount'}
].forEach(function (field) {
// We need to check `opts._order` to know if boolean opts
// were specified.
var specified = self.opts._order.filter(
function (opt) { return opt.key === field.oname; }).length > 0;
if (specified) {
profile[field.pname] = self.opts[field.oname];
}
});
};
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// Meta
CLI.prototype.do_completion = require('./do_completion');
CLI.prototype.do_profiles = require('./do_profiles');
CLI.prototype.do_profile = require('./do_profile');
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CLI.prototype.do_env = require('./do_env');
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// Other
CLI.prototype.do_account = require('./do_account');
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CLI.prototype.do_services = require('./do_services');
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CLI.prototype.do_datacenters = require('./do_datacenters');
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CLI.prototype.do_info = require('./do_info');
// Account keys
CLI.prototype.do_key = require('./do_key');
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CLI.prototype.do_keys = require('./do_keys');
// Images
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CLI.prototype.do_images = require('./do_images');
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CLI.prototype.do_image = require('./do_image');
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// Instances (aka VMs/containers/machines)
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CLI.prototype.do_instance = require('./do_instance');
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CLI.prototype.do_instances = require('./do_instances');
CLI.prototype.do_create = require('./do_create');
CLI.prototype.do_delete = require('./do_delete');
CLI.prototype.do_start = require('./do_start');
CLI.prototype.do_stop = require('./do_stop');
CLI.prototype.do_reboot = require('./do_reboot');
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CLI.prototype.do_ssh = require('./do_ssh');
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// Packages
CLI.prototype.do_packages = require('./do_packages');
CLI.prototype.do_package = require('./do_package');
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// Networks
CLI.prototype.do_networks = require('./do_networks');
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CLI.prototype.do_network = require('./do_network');
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// Hidden commands
CLI.prototype.do_cloudapi = require('./do_cloudapi');
CLI.prototype.do_badger = require('./do_badger');
CLI.prototype.do_rbac = require('./do_rbac');
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//---- mainline
function main(argv) {
if (!argv) {
argv = process.argv;
}
var cli = new CLI();
cli.main(argv, function (err, subcmd) {
var exitStatus = (err ? err.exitStatus || 1 : 0);
var showErr = (cli.showErr !== undefined ? cli.showErr : true);
if (err && showErr) {
var code = (err.body ? err.body.code : err.code) || err.restCode;
if (code === 'NoCommand') {
/* jsl:pass */
} else if (err.message !== undefined) {
console.error('%s%s: error%s: %s',
cli.name,
(subcmd ? ' ' + subcmd : ''),
(code ? format(' (%s)', code) : ''),
(cli.showErrStack ? err.stack : err.message));
// If this is a usage error, attempt to show some usage info.
if (['Usage', 'Option'].indexOf(code) !== -1 && subcmd) {
var help = cli.helpFromSubcmd(subcmd);
if (help && typeof (help) === 'string') {
// Would like a shorter synopsis. Attempt to
// parse it down, somewhat generally. Unfortunately this
// doesn't work for multi-level subcmds, like
// `triton rbac subcmd ...`.
var usageIdx = help.indexOf('\nUsage:');
if (usageIdx !== -1) {
help = help.slice(usageIdx);
}
console.error(help);
}
}
}
}
/*
* We'd like to NOT use `process.exit` because that doesn't always
* allow std handles to flush (e.g. all logging to complete). However
* I don't know of another way to exit non-zero.
*/
if (exitStatus !== 0) {
process.exit(exitStatus);
}
});
}
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//---- exports
module.exports = {
CONFIG_DIR: CONFIG_DIR,
CLI: CLI,
main: main
};