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node-spearhead/lib/do_profile/do_create.js

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2015-12-31 01:25:12 +02:00
/*
* Copyright (c) 2015 Joyent Inc.
*
* `triton profile create ...`
*/
var assert = require('assert-plus');
var format = require('util').format;
var fs = require('fs');
var sshpk = require('sshpk');
var vasync = require('vasync');
var common = require('../common');
var errors = require('../errors');
var mod_config = require('../config');
var profilecommon = require('./profilecommon');
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function _createProfile(opts, cb) {
assert.object(opts.cli, 'opts.cli');
assert.optionalString(opts.file, 'opts.file');
assert.optionalString(opts.copy, 'opts.copy');
assert.optionalBool(opts.noDocker, 'opts.noDocker');
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assert.func(cb, 'cb');
var cli = opts.cli;
var log = cli.log;
var data;
vasync.pipeline({arg: {}, funcs: [
function getExistingProfiles(ctx, next) {
try {
ctx.profiles = mod_config.loadAllProfiles({
configDir: cli.configDir,
log: cli.log
});
} catch (err) {
return next(err);
}
next();
},
function getCopy(ctx, next) {
if (!opts.copy) {
return next();
}
for (var i = 0; i < ctx.profiles.length; i++) {
if (ctx.profiles[i].name === opts.copy) {
ctx.copy = ctx.profiles[i];
break;
}
}
if (!ctx.copy) {
next(new errors.UsageError(format(
'no such profile from which to copy: "%s"', opts.copy)));
} else {
next();
}
},
function gatherDataStdin(_, next) {
if (opts.file !== '-') {
return next();
}
var stdin = '';
process.stdin.resume();
process.stdin.on('data', function (chunk) {
stdin += chunk;
});
process.stdin.on('end', function () {
try {
data = JSON.parse(stdin);
} catch (err) {
log.trace({stdin: stdin}, 'invalid profile JSON on stdin');
return next(new errors.TritonError(
format('invalid profile JSON on stdin: %s', err)));
}
next();
});
},
function gatherDataFile(ctx, next) {
if (!opts.file || opts.file === '-') {
return next();
}
ctx.filePath = opts.file;
var input = fs.readFileSync(opts.file);
try {
data = JSON.parse(input);
} catch (err) {
return next(new errors.TritonError(format(
'invalid profile JSON in "%s": %s', opts.file, err)));
}
next();
},
function gatherDataInteractive(ctx, next) {
if (opts.file) {
return next();
} else if (!process.stdin.isTTY) {
return next(new errors.UsageError('cannot interactively ' +
'create profile: stdin is not a TTY'));
} else if (!process.stdout.isTTY) {
return next(new errors.UsageError('cannot interactively ' +
'create profile: stdout is not a TTY'));
}
var defaults = {};
if (ctx.copy) {
defaults = ctx.copy;
delete defaults.name; // we don't copy a profile name
} else {
defaults.url = 'https://us-sw-1.api.joyent.com';
var possibleDefaultFp = '~/.ssh/id_rsa';
if (fs.existsSync(common.tildeSync(possibleDefaultFp))) {
defaults.keyId = possibleDefaultFp;
}
}
var fields = [ {
desc: 'A profile name. A short string to identify a ' +
'CloudAPI endpoint to the `triton` CLI.',
key: 'name',
default: defaults.name,
validate: function validateName(value, valCb) {
var regex = /^[a-z][a-z0-9_.-]*$/;
if (!regex.test(value)) {
return valCb(new Error('Must start with a lowercase ' +
'letter followed by lowercase letters, numbers ' +
'and "_", "." and "-".'));
}
for (var i = 0; i < ctx.profiles.length; i++) {
if (ctx.profiles[i].name === value) {
return valCb(new Error(format(
'Profile "%s" already exists.', value)));
}
}
valCb();
}
}, {
desc: 'The CloudAPI endpoint URL.',
default: defaults.url,
key: 'url'
// TODO: shortcut to allow 'ssh nightly1' to have this ssh
// in and find cloudapi for me
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}, {
desc: 'Your account login name.',
key: 'account',
default: defaults.account,
validate: function validateAccount(value, valCb) {
var regex = /^[^\\]{3,}$/;
if (value.length < 3) {
return valCb(new Error(
'Must be at least 3 characters'));
}
if (!regex.test(value)) {
return valCb(new Error('Must not container a "\\"'));
}
valCb();
}
}, {
desc: 'The fingerprint of the SSH key you have registered ' +
'for your account. Alternatively, You may enter a local ' +
'path to a public or private SSH key to have the ' +
'fingerprint calculated for you.',
default: defaults.keyId,
key: 'keyId',
validate: function validateKeyId(value, valCb) {
// First try as a fingerprint.
try {
sshpk.parseFingerprint(value);
return valCb();
} catch (fpErr) {
}
// Try as a local path.
var keyPath = common.tildeSync(value);
fs.stat(keyPath, function (statErr, stats) {
if (statErr || !stats.isFile()) {
return valCb(new Error(format(
'"%s" is neither a valid fingerprint, ' +
'nor an existing file', value)));
}
fs.readFile(keyPath, function (readErr, keyData) {
if (readErr) {
return valCb(readErr);
}
var keyType = (keyPath.slice(-4) === '.pub'
? 'ssh' : 'pem');
try {
var key = sshpk.parseKey(keyData, keyType);
} catch (keyErr) {
return valCb(keyErr);
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}
/*
* Save the user's explicit given key path. We will
* using it later for Docker setup. Trying to use
* the same format as node-smartdc's loadSSHKey
* `keyPaths` param.
*/
ctx.keyPaths = {};
if (keyType === 'ssh') {
ctx.keyPaths.public = keyPath;
} else {
ctx.keyPaths.private = keyPath;
}
var newVal = key.fingerprint('md5').toString();
console.log('Fingerprint: %s', newVal);
valCb(null, newVal);
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});
});
}
} ];
data = {};
/*
* There are some value profile fields that we don't yet prompt
* for -- because they are experimental, optional, or I'm just
* unsure about adding them yet. :) We should still *copy* those
* over for a `triton profile create --copy ...`.
*
* Eventually the need for this block should go away.
*/
if (ctx.copy) {
var promptKeys = fields.map(
function (field) { return field.key; });
Object.keys(ctx.copy).forEach(function (key) {
if (promptKeys.indexOf(key) === -1) {
data[key] = ctx.copy[key];
}
});
}
vasync.forEachPipeline({
inputs: fields,
func: function getField(field, nextField) {
if (field.key !== 'name') console.log();
common.promptField(field, function (err, value) {
data[field.key] = value;
nextField(err);
});
}
}, function (err) {
console.log();
next(err);
});
},
function guardAlreadyExists(ctx, next) {
for (var i = 0; i < ctx.profiles.length; i++) {
if (data.name === ctx.profiles[i].name) {
return next(new errors.TritonError(format(
'profile "%s" already exists', data.name)));
}
}
next();
},
function validateIt(ctx, next) {
// We ignore 'curr'. For now at least.
delete data.curr;
try {
mod_config.validateProfile(data, ctx.filePath);
} catch (err) {
return next(err);
}
next();
},
function saveIt(_, next) {
try {
mod_config.saveProfileSync({
configDir: cli.configDir,
profile: data
});
} catch (err) {
return next(err);
}
next();
},
function dockerSetup(ctx, next) {
if (opts.noDocker || process.platform === 'win32') {
next();
return;
}
profilecommon.profileDockerSetup({
cli: cli,
name: data.name,
keyPaths: ctx.keyPaths,
implicit: true
}, next);
},
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function setCurrIfTheOnlyProfile(ctx, next) {
if (ctx.profiles.length !== 0) {
next();
return;
}
mod_config.setConfigVars({
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configDir: cli.configDir,
vars: {
profile: data.name
}
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}, function (err) {
if (err) {
next(err);
return;
}
console.log('Set "%s" as current profile (because it is ' +
'your only profile).', data.name);
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next();
});
}
]}, cb);
}
function do_create(subcmd, opts, args, cb) {
if (opts.help) {
this.do_help('help', {}, [subcmd], cb);
return;
} else if (args.length !== 0) {
return cb(new errors.UsageError('too many arguments'));
} else if (opts.copy && opts.file) {
return cb(new errors.UsageError(
'cannot specify --file and --copy at the same time'));
}
_createProfile({
cli: this.top,
file: opts.file,
copy: opts.copy,
noDocker: opts.no_docker
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}, cb);
}
do_create.options = [
{
names: ['help', 'h'],
type: 'bool',
help: 'Show this help.'
},
{
names: ['file', 'f'],
type: 'string',
helpArg: 'FILE',
help: 'A JSON file (of the same form as "triton profile get -j") ' +
'with the profile, or "-" to read JSON from stdin.'
},
{
names: ['copy'],
type: 'string',
helpArg: 'NAME',
help: 'A profile from which to copy values.'
},
{
names: ['no-docker'],
type: 'bool',
help: 'As of Triton CLI 4.9, creating a profile will attempt (on '
+ 'non-Windows) to also setup for running Docker. This is '
+ 'experimental and might fail. Use this option to disable '
+ 'the attempt.'
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}
];
do_create.help = [
'Create a Triton CLI profile.',
'',
'Usage:',
' {{name}} create <options>',
'',
'{{options}}',
'',
'Examples:',
' triton profile create # interactively create a profile',
' triton profile create --copy env # ... copying from "env" profile',
'',
' # Or non-interactively create from stdin or a file:',
' cat a-profile.json | triton profile create -f -',
' triton profile create -f another-profile.json'
].join('\n');
module.exports = do_create;