909 lines
25 KiB
JavaScript
909 lines
25 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.
|
|
*/
|
|
|
|
var assert = require('assert-plus');
|
|
var child_process = require('child_process');
|
|
var crypto = require('crypto');
|
|
var fs = require('fs');
|
|
var os = require('os');
|
|
var path = require('path');
|
|
var read = require('read');
|
|
var tty = require('tty');
|
|
var util = require('util'),
|
|
format = util.format;
|
|
var wordwrap = require('wordwrap');
|
|
|
|
var errors = require('./errors'),
|
|
InternalError = errors.InternalError;
|
|
|
|
|
|
|
|
// ---- support stuff
|
|
|
|
function objCopy(obj, target) {
|
|
assert.object(obj, 'obj');
|
|
assert.optionalObject(obj, 'target');
|
|
|
|
if (target === undefined) {
|
|
target = {};
|
|
}
|
|
Object.keys(obj).forEach(function (k) {
|
|
target[k] = obj[k];
|
|
});
|
|
return target;
|
|
}
|
|
|
|
|
|
function deepObjCopy(obj) {
|
|
return JSON.parse(JSON.stringify(obj));
|
|
}
|
|
|
|
|
|
/*
|
|
* Merge given objects into the given `target` object. Last one wins.
|
|
* The `target` is modified in place.
|
|
*
|
|
* var foo = {bar: 32};
|
|
* objMerge(foo, {bar: 42}, {bling: 'blam'});
|
|
*
|
|
* Adapted from tunnel-agent `mergeOptions`.
|
|
*/
|
|
function objMerge(target) {
|
|
for (var i = 1, len = arguments.length; i < len; ++i) {
|
|
var overrides = arguments[i];
|
|
if (typeof (overrides) === 'object') {
|
|
var keys = Object.keys(overrides);
|
|
for (var j = 0, keyLen = keys.length; j < keyLen; ++j) {
|
|
var k = keys[j];
|
|
if (overrides[k] !== undefined) {
|
|
target[k] = overrides[k];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return target;
|
|
}
|
|
|
|
|
|
function zeroPad(n, width) {
|
|
var s = String(n);
|
|
assert.number(width, 'width');
|
|
assert.string(s, 'string');
|
|
|
|
while (s.length < width) {
|
|
s = '0' + s;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
|
|
/**
|
|
* Convert a boolean or string representation into a boolean, or
|
|
* raise TypeError trying.
|
|
*
|
|
* @param value {Boolean|String} The input value to convert.
|
|
* @param default_ {Boolean} The default value is `value` is undefined.
|
|
* @param errName {String} The context to quote in the possibly
|
|
* raised TypeError.
|
|
*/
|
|
function boolFromString(value, default_, errName) {
|
|
if (value === undefined) {
|
|
return default_;
|
|
} else if (value === 'false' || value === '0') {
|
|
return false;
|
|
} else if (value === 'true' || value === '1') {
|
|
return true;
|
|
} else if (typeof (value) === 'boolean') {
|
|
return value;
|
|
} else {
|
|
var errmsg = format('invalid boolean value: %j', value);
|
|
if (errName) {
|
|
errmsg = format('invalid boolean value for %s: %j', errName, value);
|
|
}
|
|
throw new TypeError(errmsg);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* given an array return a string with each element
|
|
* JSON-stringifed separated by newlines
|
|
*/
|
|
function jsonStream(arr, stream) {
|
|
stream = stream || process.stdout;
|
|
|
|
arr.forEach(function (elem) {
|
|
stream.write(JSON.stringify(elem) + '\n');
|
|
});
|
|
}
|
|
|
|
/**
|
|
* given an array of key=value pairs, break them into an object
|
|
*
|
|
* @param {Array} kvs - an array of key=value pairs
|
|
* @param {Array} valid (optional) - an array to validate pairs
|
|
*/
|
|
function kvToObj(kvs, valid) {
|
|
assert.arrayOfString(kvs, 'kvs');
|
|
assert.optionalArrayOfString(valid, 'valid');
|
|
|
|
var o = {};
|
|
for (var i = 0; i < kvs.length; i++) {
|
|
var kv = kvs[i];
|
|
var idx = kv.indexOf('=');
|
|
if (idx === -1)
|
|
throw new errors.UsageError(format(
|
|
'invalid filter: "%s" (must be of the form "field=value")',
|
|
kv));
|
|
var k = kv.slice(0, idx);
|
|
var v = kv.slice(idx + 1);
|
|
if (valid && valid.indexOf(k) === -1)
|
|
throw new errors.UsageError(format(
|
|
'invalid filter name: "%s" (must be one of "%s")',
|
|
k, valid.join('", "')));
|
|
o[k] = v;
|
|
}
|
|
return o;
|
|
}
|
|
|
|
/**
|
|
* return how long ago something happened
|
|
*
|
|
* @param {Date} when - a date object in the past
|
|
* @param {Date} now (optional) - a date object to compare to
|
|
* @return {String} - printable string
|
|
*/
|
|
function longAgo(when, now) {
|
|
now = now || new Date();
|
|
assert.date(now, 'now');
|
|
|
|
var seconds = Math.round((now - when) / 1000);
|
|
var times = [
|
|
seconds / 60 / 60 / 24 / 365, // years
|
|
seconds / 60 / 60 / 24 / 7, // weeks
|
|
seconds / 60 / 60 / 24, // days
|
|
seconds / 60 / 60, // hours
|
|
seconds / 60, // minutes
|
|
seconds // seconds
|
|
];
|
|
var names = ['y', 'w', 'd', 'h', 'm', 's'];
|
|
|
|
for (var i = 0; i < names.length; i++) {
|
|
var time = Math.floor(times[i]);
|
|
if (time > 0)
|
|
return util.format('%d%s', time, names[i]);
|
|
}
|
|
return '0s';
|
|
}
|
|
|
|
/**
|
|
* checks a string and returns a boolean based on if it
|
|
* is a UUID or not
|
|
*/
|
|
function isUUID(s) {
|
|
assert.string(s, 's');
|
|
return /^([a-f\d]{8}(-[a-f\d]{4}){3}-[a-f\d]{12}?)$/i.test(s);
|
|
}
|
|
|
|
|
|
function humanDurationFromMs(ms) {
|
|
assert.number(ms, 'ms');
|
|
var sizes = [
|
|
['ms', 1000, 's'],
|
|
['s', 60, 'm'],
|
|
['m', 60, 'h'],
|
|
['h', 24, 'd'],
|
|
['d', 7, 'w']
|
|
];
|
|
if (ms === 0) {
|
|
return '0ms';
|
|
}
|
|
var bits = [];
|
|
var n = ms;
|
|
for (var i = 0; i < sizes.length; i++) {
|
|
var size = sizes[i];
|
|
var remainder = n % size[1];
|
|
if (remainder === 0) {
|
|
bits.unshift('');
|
|
} else {
|
|
bits.unshift(format('%d%s', remainder, size[0]));
|
|
}
|
|
n = Math.floor(n / size[1]);
|
|
if (n === 0) {
|
|
break;
|
|
} else if (i === sizes.length - 1) {
|
|
bits.unshift(format('%d%s', n, size[2]));
|
|
break;
|
|
}
|
|
}
|
|
if (bits.length > 1 && bits[bits.length - 1].slice(-2) === 'ms') {
|
|
bits.pop();
|
|
}
|
|
return bits.slice(0, 2).join('');
|
|
}
|
|
|
|
/**
|
|
* Adapted from <http://stackoverflow.com/a/18650828>
|
|
*
|
|
* @param {Number} opts.precision The number of decimal places of precision to
|
|
* include. Note: This is just clipping (i.e. floor) instead of rounding.
|
|
* TODO: round
|
|
* @param {Boolean} opts.narrow Make it as narrow as possible: short units,
|
|
* no space between value and unit, drop precision if it is all zeros.
|
|
*/
|
|
function humanSizeFromBytes(opts, bytes) {
|
|
if (bytes === undefined) {
|
|
bytes = opts;
|
|
opts = {};
|
|
}
|
|
assert.number(bytes, 'bytes');
|
|
// The number of decimal places, default 1.
|
|
assert.optionalNumber(opts.precision, 'opts.precision');
|
|
var precision = opts.precision === undefined ? 1 : opts.precision;
|
|
assert.ok(precision >= 0);
|
|
assert.optionalBool(opts.narrow, 'opts.narrow');
|
|
|
|
var sizes = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB'];
|
|
if (opts.narrow) {
|
|
sizes = ['B', 'K', 'M', 'G', 'T', 'P'];
|
|
}
|
|
var template = opts.narrow ? '%s%s%s' : '%s%s %s';
|
|
|
|
if (bytes === 0) {
|
|
return '0 B';
|
|
}
|
|
|
|
var sign = bytes < 0 ? '-' : '';
|
|
bytes = Math.abs(bytes);
|
|
|
|
var i = Number(Math.floor(Math.log(bytes) / Math.log(1024)));
|
|
var s = String(bytes / Math.pow(1024, i));
|
|
var hasDecimal = s.indexOf('.') !== -1;
|
|
if (precision === 0) {
|
|
if (hasDecimal) {
|
|
s = s.slice(0, s.indexOf('.'));
|
|
}
|
|
} else if (opts.narrow && !hasDecimal) {
|
|
/* skip all-zero precision */
|
|
/* jsl:pass */
|
|
} else {
|
|
if (!hasDecimal) {
|
|
s += '.';
|
|
}
|
|
var places = s.length - s.indexOf('.') - 1;
|
|
while (places < precision) {
|
|
s += '0';
|
|
places++;
|
|
}
|
|
if (places > precision) {
|
|
s = s.slice(0, s.length - places + precision);
|
|
}
|
|
}
|
|
//var precision1 = (s.indexOf('.') === -1
|
|
// ? s + '.0' : s.slice(0, s.indexOf('.') + 2));
|
|
|
|
return format(template, sign, s, sizes[i]);
|
|
}
|
|
|
|
/*
|
|
* capitalize the first character of a string and return the new string
|
|
*/
|
|
function capitalize(s) {
|
|
assert.string(s, 's');
|
|
return s[0].toUpperCase() + s.substr(1);
|
|
}
|
|
|
|
/*
|
|
* Convert a UUID to a short ID
|
|
*/
|
|
function uuidToShortId(s) {
|
|
assert.uuid(s, 's');
|
|
return s.split('-', 1)[0];
|
|
}
|
|
|
|
/*
|
|
* Normalize a short ID. Returns undefined if the given string isn't a valid
|
|
* short id.
|
|
*
|
|
* Short IDs:
|
|
* - UUID prefix
|
|
* - allow '-' to be elided (to support using containers IDs from
|
|
* docker)
|
|
* - support docker ID *longer* than a UUID? The curr implementation does.
|
|
*/
|
|
function normShortId(s) {
|
|
assert.string(s, 's');
|
|
|
|
var shortIdCharsRe = /^[a-f0-9]+$/;
|
|
var shortId;
|
|
if (s.indexOf('-') === -1) {
|
|
if (!shortIdCharsRe.test(s)) {
|
|
return;
|
|
}
|
|
shortId = s.substr(0, 8) + '-'
|
|
+ s.substr(8, 4) + '-'
|
|
+ s.substr(12, 4) + '-'
|
|
+ s.substr(16, 4) + '-'
|
|
+ s.substr(20, 12);
|
|
shortId = shortId.replace(/-+$/, '');
|
|
} else {
|
|
// UUID prefix.
|
|
shortId = '';
|
|
var remaining = s;
|
|
var spans = [8, 4, 4, 4, 12];
|
|
for (var i = 0; i < spans.length; i++) {
|
|
var span = spans[i];
|
|
var head = remaining.slice(0, span);
|
|
remaining = remaining.slice(span + 1);
|
|
if (!shortIdCharsRe.test(head)) {
|
|
return;
|
|
}
|
|
shortId += head;
|
|
if (remaining && i + 1 < spans.length) {
|
|
shortId += '-';
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return shortId;
|
|
}
|
|
|
|
/*
|
|
* Take a "profile" object and return a slug based on: account, url and user.
|
|
* This is currently used to create a filesystem-safe name to use for caching
|
|
*/
|
|
function profileSlug(o) {
|
|
assert.object(o, 'o');
|
|
assert.string(o.account, 'o.account');
|
|
assert.string(o.url, 'o.url');
|
|
|
|
var slug;
|
|
var account = o.account.replace(/[@]/g, '_');
|
|
var url = o.url.replace(/^https?:\/\//, '');
|
|
if (o.user) {
|
|
var user = o.user.replace(/[@]/g, '_');
|
|
slug = format('%s-%s@%s', user, account, url);
|
|
} else {
|
|
slug = format('%s@%s', account, url);
|
|
}
|
|
slug = slug.replace(/[!#$%\^&\*:'"\?\/\\\.]/g, '_');
|
|
return slug;
|
|
}
|
|
|
|
|
|
/*
|
|
* Return a filename-safe slug for the given string.
|
|
*/
|
|
function filenameSlug(str) {
|
|
return str
|
|
.toLowerCase()
|
|
.replace(/ +/g, '-')
|
|
.replace(/[^-\w]/g, '');
|
|
}
|
|
|
|
/*
|
|
* take some basic information and return node-cmdln options suitable for
|
|
* tabula
|
|
*
|
|
* @param {String} (optional) opts.columnDefault Default value for `-o`
|
|
* @param {String} (optional) opts.sortDefault Default value for `-s`
|
|
* @param {String} (optional) opts.includeLong Include `-l` option
|
|
* @return {Array} Array of cmdln options objects
|
|
*/
|
|
function getCliTableOptions(opts) {
|
|
opts = opts || {};
|
|
assert.object(opts, 'opts');
|
|
assert.optionalString(opts.columnsDefault, 'opts.columnsDefault');
|
|
assert.optionalString(opts.sortDefault, 'opts.sortDefault');
|
|
assert.optionalBool(opts.includeLong, 'opts.includeLong');
|
|
|
|
var o;
|
|
|
|
// construct the options object
|
|
var tOpts = [];
|
|
|
|
// header
|
|
tOpts.push({
|
|
group: 'Output options'
|
|
});
|
|
|
|
// -H
|
|
tOpts.push({
|
|
names: ['H'],
|
|
type: 'bool',
|
|
help: 'Omit table header row.'
|
|
});
|
|
|
|
// -o field1,field2,...
|
|
o = {
|
|
names: ['o'],
|
|
type: 'string',
|
|
help: 'Specify fields (columns) to output.',
|
|
helpArg: 'field1,...'
|
|
};
|
|
if (opts.columnsDefault)
|
|
o.default = opts.columnsDefault;
|
|
tOpts.push(o);
|
|
|
|
// -l, --long
|
|
if (opts.includeLong) {
|
|
tOpts.push({
|
|
names: ['long', 'l'],
|
|
type: 'bool',
|
|
help: 'Long/wider output. Ignored if "-o ..." is used.'
|
|
});
|
|
}
|
|
|
|
// -s field1,field2,...
|
|
o = {
|
|
names: ['s'],
|
|
type: 'string',
|
|
help: 'Sort on the given fields.',
|
|
helpArg: 'field1,...'
|
|
};
|
|
if (opts.sortDefault) {
|
|
o.default = opts.sortDefault;
|
|
o.help = format('%s Default is "%s".', o.help, opts.sortDefault);
|
|
}
|
|
tOpts.push(o);
|
|
|
|
// -j, --json
|
|
tOpts.push({
|
|
names: ['json', 'j'],
|
|
type: 'bool',
|
|
help: 'JSON output.'
|
|
});
|
|
|
|
return tOpts;
|
|
}
|
|
|
|
|
|
/**
|
|
* Prompt a user for a y/n answer.
|
|
*
|
|
* cb('y') user entered in the affirmative
|
|
* cb('n') user entered in the negative
|
|
* cb(false) user ^C'd
|
|
*
|
|
* Dev Note: Borrowed from imgadm's common.js. If this starts showing issues,
|
|
* we should consider using the npm 'read' module.
|
|
*/
|
|
function promptYesNo(opts_, cb) {
|
|
assert.object(opts_, 'opts');
|
|
assert.string(opts_.msg, 'opts.msg');
|
|
assert.optionalString(opts_.default, 'opts.default');
|
|
var opts = objCopy(opts_);
|
|
|
|
// Setup stdout and stdin to talk to the controlling terminal if
|
|
// process.stdout or process.stdin is not a TTY.
|
|
var stdout;
|
|
if (opts.stdout) {
|
|
stdout = opts.stdout;
|
|
} else if (process.stdout.isTTY) {
|
|
stdout = process.stdout;
|
|
} else {
|
|
opts.stdout_fd = fs.openSync('/dev/tty', 'r+');
|
|
stdout = opts.stdout = new tty.WriteStream(opts.stdout_fd);
|
|
}
|
|
var stdin;
|
|
if (opts.stdin) {
|
|
stdin = opts.stdin;
|
|
} else if (process.stdin.isTTY) {
|
|
stdin = process.stdin;
|
|
} else {
|
|
opts.stdin_fd = fs.openSync('/dev/tty', 'r+');
|
|
stdin = opts.stdin = new tty.ReadStream(opts.stdin_fd);
|
|
}
|
|
|
|
stdout.write(opts.msg);
|
|
stdin.setEncoding('utf8');
|
|
stdin.setRawMode(true);
|
|
stdin.resume();
|
|
var input = '';
|
|
stdin.on('data', onData);
|
|
|
|
function postInput() {
|
|
stdin.setRawMode(false);
|
|
stdin.pause();
|
|
stdin.write('\n');
|
|
stdin.removeListener('data', onData);
|
|
}
|
|
|
|
function finish(rv) {
|
|
if (opts.stdout_fd !== undefined) {
|
|
stdout.end();
|
|
delete opts.stdout_fd;
|
|
}
|
|
if (opts.stdin_fd !== undefined) {
|
|
stdin.end();
|
|
delete opts.stdin_fd;
|
|
}
|
|
cb(rv);
|
|
}
|
|
|
|
function onData(ch) {
|
|
ch = ch + '';
|
|
|
|
switch (ch) {
|
|
case '\n':
|
|
case '\r':
|
|
case '\u0004':
|
|
// EOT. They've finished typing their answer
|
|
postInput();
|
|
var answer = input.toLowerCase();
|
|
if (answer === '' && opts.default) {
|
|
finish(opts.default);
|
|
} else if (answer === 'yes' || answer === 'y') {
|
|
finish('y');
|
|
} else if (answer === 'no' || answer === 'n') {
|
|
finish('n');
|
|
} else {
|
|
stdout.write('Please enter "y", "yes", "n" or "no".\n');
|
|
promptYesNo(opts, cb);
|
|
return;
|
|
}
|
|
break;
|
|
case '\u0003': // Ctrl C
|
|
postInput();
|
|
finish(false);
|
|
break;
|
|
case '\u007f': // DEL
|
|
input = input.slice(0, -1);
|
|
stdout.clearLine();
|
|
stdout.cursorTo(0);
|
|
stdout.write(opts.msg);
|
|
stdout.write(input);
|
|
break;
|
|
default:
|
|
// Rule out special ASCII chars.
|
|
var code = ch.charCodeAt(0);
|
|
if (0 <= code && code <= 31) {
|
|
break;
|
|
}
|
|
// More plaintext characters
|
|
stdout.write(ch);
|
|
input += ch;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Prompt and wait for <Enter> or Ctrl+C. Usage:
|
|
*
|
|
* common.promptEnter('Press <Enter> to re-edit, Ctrl+C to abort.',
|
|
* function (err) {
|
|
* if (err) {
|
|
* // User hit Ctrl+C
|
|
* } else {
|
|
* // User hit Enter
|
|
* }
|
|
* }
|
|
* );
|
|
*/
|
|
function promptEnter(prompt, cb) {
|
|
read({
|
|
prompt: prompt
|
|
}, function (err, result, isDefault) {
|
|
cb(err);
|
|
});
|
|
}
|
|
|
|
|
|
/*
|
|
* Prompt the user for a value.
|
|
*
|
|
* @params field {Object}
|
|
* - field.desc {String} Optional. A description of the field to print
|
|
* before prompting.
|
|
* - field.key {String} The field name. Used as the prompt.
|
|
* - field.default Optional default value.
|
|
* - field.validate {Function} Optional. A validation/manipulation
|
|
* function of the form:
|
|
* function (value, cb)
|
|
* which should callback with
|
|
* cb([<error or null>, [<manipulated value>]])
|
|
* examples:
|
|
* cb(new Error('value is not a number'));
|
|
* cb(); // value is fine as is
|
|
* cb(null, Math.floor(Number(value))); // manip to a floored int
|
|
* - field.required {Boolean} Optional. If `field.validate` is not
|
|
* given, `required=true` will provide a validate func that requires
|
|
* a value.
|
|
* @params cb {Function} `function (err, value)`
|
|
* If the user aborted, the `err` will be whatever the [read
|
|
* package](https://www.npmjs.com/package/read) returns, i.e. a
|
|
* string "cancelled".
|
|
*/
|
|
function promptField(field, cb) {
|
|
var wrap = wordwrap(Math.min(process.stdout.columns, 78));
|
|
|
|
var validate = field.validate;
|
|
if (!validate && field.required) {
|
|
validate = function (value, validateCb) {
|
|
if (!value) {
|
|
validateCb(new Error(format('A value for "%s" is required.',
|
|
field.key)));
|
|
} else {
|
|
validateCb();
|
|
}
|
|
};
|
|
}
|
|
|
|
function attempt(next) {
|
|
read({
|
|
// read/readline prompting messes up width with ANSI codes here.
|
|
prompt: field.key + ':',
|
|
default: field.default,
|
|
silent: field.password,
|
|
edit: true
|
|
}, function (err, result, isDefault) {
|
|
if (err) {
|
|
return cb(err);
|
|
}
|
|
var value = result.trim();
|
|
if (!validate) {
|
|
return cb(null, value);
|
|
}
|
|
|
|
validate(value, function (validationErr, newValue) {
|
|
if (validationErr) {
|
|
console.log(ansiStylize(
|
|
wrap(validationErr.message), 'red'));
|
|
attempt();
|
|
} else {
|
|
if (newValue !== undefined) {
|
|
value = newValue;
|
|
}
|
|
cb(null, value);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
if (field.desc) {
|
|
console.log(ansiStylize(wrap(field.desc), 'bold'));
|
|
}
|
|
attempt();
|
|
}
|
|
|
|
|
|
/**
|
|
* Edit the given text in $EDITOR (defaulting to `vi`) and return the edited
|
|
* text.
|
|
*
|
|
* This callback with `cb(err, updatedText, changed)` where `changed`
|
|
* is a boolean true if the text was changed.
|
|
*/
|
|
function editInEditor(opts, cb) {
|
|
assert.string(opts.text, 'opts.text');
|
|
assert.optionalString(opts.filename, 'opts.filename');
|
|
assert.func(cb, 'cb');
|
|
|
|
var tmpPath = path.resolve(os.tmpDir(),
|
|
format('triton-%s-edit-%s', process.pid, opts.filename || 'text'));
|
|
fs.writeFileSync(tmpPath, opts.text, 'utf8');
|
|
|
|
// TODO: want '-f' opt for vi? What about others?
|
|
var editor = process.env.EDITOR || '/usr/bin/vi';
|
|
var kid = child_process.spawn(editor, [tmpPath], {stdio: 'inherit'});
|
|
kid.on('exit', function (code) {
|
|
if (code) {
|
|
return (cb(code));
|
|
}
|
|
var afterText = fs.readFileSync(tmpPath, 'utf8');
|
|
fs.unlinkSync(tmpPath);
|
|
cb(null, afterText, (afterText !== opts.text));
|
|
});
|
|
}
|
|
|
|
|
|
// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
|
|
// Suggested colors (some are unreadable in common cases):
|
|
// - Good: cyan, yellow (limited use), bold, green, magenta, red
|
|
// - Bad: blue (not visible on cmd.exe), grey (same color as background on
|
|
// Solarized Dark theme from <https://github.com/altercation/solarized>, see
|
|
// issue #160)
|
|
var colors = {
|
|
'bold' : [1, 22],
|
|
'italic' : [3, 23],
|
|
'underline' : [4, 24],
|
|
'inverse' : [7, 27],
|
|
'white' : [37, 39],
|
|
'grey' : [90, 39],
|
|
'black' : [30, 39],
|
|
'blue' : [34, 39],
|
|
'cyan' : [36, 39],
|
|
'green' : [32, 39],
|
|
'magenta' : [35, 39],
|
|
'red' : [31, 39],
|
|
'yellow' : [33, 39]
|
|
};
|
|
|
|
function ansiStylize(str, color) {
|
|
if (!str)
|
|
return '';
|
|
var codes = colors[color];
|
|
if (codes) {
|
|
return '\033[' + codes[0] + 'm' + str +
|
|
'\033[' + codes[1] + 'm';
|
|
} else {
|
|
return str;
|
|
}
|
|
}
|
|
|
|
|
|
function indent(s, indentation) {
|
|
if (!indentation) {
|
|
indentation = ' ';
|
|
}
|
|
var lines = s.split(/\r?\n/g);
|
|
return indentation + lines.join('\n' + indentation);
|
|
}
|
|
|
|
|
|
// http://perldoc.perl.org/functions/chomp.html
|
|
function chomp(s) {
|
|
if (s.length) {
|
|
while (s.slice(-1) === '\n') {
|
|
s = s.slice(0, -1);
|
|
}
|
|
}
|
|
return s;
|
|
}
|
|
|
|
|
|
/*
|
|
* Generate a random password of the specified length (default 20 chars)
|
|
* using ASCII printable, non-space chars: ASCII 33-126 (inclusive).
|
|
*
|
|
* No idea if this is crypto-sound. Doubt it.
|
|
*
|
|
* This needs to pass UFDS's "insufficientPasswordQuality". This actually
|
|
* depends on the pwdcheckquality configurable JS function configured for
|
|
* the datacenter. By default that is from:
|
|
* https://github.com/joyent/sdc-ufds/blob/master/data/bootstrap.ldif.in
|
|
* which at the time of writing requires at least a number and a letter.
|
|
*/
|
|
function generatePassword(opts) {
|
|
assert.optionalObject(opts, 'opts');
|
|
opts = opts || {};
|
|
assert.optionalNumber(opts.len, 'opts.len');
|
|
|
|
var buf = crypto.randomBytes(opts.len || 20);
|
|
var min = 33;
|
|
var max = 126;
|
|
var chars = [];
|
|
for (var i = 0; i < buf.length; i++) {
|
|
var num = Math.round(((buf[i] / 0xff) * (max - min)) + min);
|
|
chars.push(String.fromCharCode(num));
|
|
}
|
|
var pwd = chars.join('');
|
|
|
|
// "quality" checks
|
|
if (!/[a-zA-Z]+/.test(pwd) || !/[0-9]+/.test(pwd)) {
|
|
// Try again.
|
|
return generatePassword(opts);
|
|
} else {
|
|
return pwd;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Convenience wrapper around `child_process.exec`, mostly oriented to
|
|
* run commands using pipes w/o having to deal with logging/error handling.
|
|
*
|
|
* @param args {Object}
|
|
* - cmd {String} Required. The command to run.
|
|
* - log {Bunyan Logger} Required. Use to log details at trace level.
|
|
* - opts {Object} Optional. child_process.exec execution Options.
|
|
* @param cb {Function} `function (err, stdout, stderr)` where `err` here is
|
|
* an `errors.InternalError` wrapper around the child_process error.
|
|
*/
|
|
function execPlus(args, cb) {
|
|
assert.object(args, 'args');
|
|
assert.string(args.cmd, 'args.cmd');
|
|
assert.object(args.log, 'args.log');
|
|
assert.optionalObject(args.opts, 'args.opts');
|
|
assert.func(cb);
|
|
|
|
var cmd = args.cmd;
|
|
var execOpts = args.opts || {};
|
|
var log = args.log;
|
|
|
|
log.trace({exec: true, cmd: cmd}, 'exec start');
|
|
child_process.exec(cmd, execOpts, function execPlusCb(err, stdout, stderr) {
|
|
log.trace({exec: true, cmd: cmd, err: err, stdout: stdout,
|
|
stderr: stderr}, 'exec done');
|
|
if (err) {
|
|
var msg = format(
|
|
'exec error:\n'
|
|
+ '\tcmd: %s\n'
|
|
+ '\texit status: %s\n'
|
|
+ '\tstdout:\n%s\n'
|
|
+ '\tstderr:\n%s',
|
|
cmd, err.code, stdout.trim(), stderr.trim());
|
|
cb(new errors.InternalError({message: msg, cause: err}),
|
|
stdout, stderr);
|
|
} else {
|
|
cb(null, stdout, stderr);
|
|
}
|
|
});
|
|
}
|
|
|
|
|
|
function deepEqual(a, b) {
|
|
try {
|
|
assert.deepEqual(a, b);
|
|
} catch (err) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Resolve "~/..." and "~" to an absolute path.
|
|
*
|
|
* Limitations: This does not handle "~user/...". This depends on the HOME
|
|
* envvar being defined. A better alternative is the "tilde-expansion"
|
|
* module (used elsewhere in node-triton), but that doesn't have a sync
|
|
* option.
|
|
*/
|
|
function tildeSync(s) {
|
|
var home = process.env.HOME;
|
|
if (!home) {
|
|
return s;
|
|
} else if (s === '~') {
|
|
return home;
|
|
} else if (s.slice(0, 2) === '~/') {
|
|
return home + s.slice(1);
|
|
} else {
|
|
return s;
|
|
}
|
|
}
|
|
|
|
|
|
//---- exports
|
|
|
|
module.exports = {
|
|
objCopy: objCopy,
|
|
deepObjCopy: deepObjCopy,
|
|
objMerge: objMerge,
|
|
zeroPad: zeroPad,
|
|
boolFromString: boolFromString,
|
|
jsonStream: jsonStream,
|
|
kvToObj: kvToObj,
|
|
longAgo: longAgo,
|
|
isUUID: isUUID,
|
|
humanDurationFromMs: humanDurationFromMs,
|
|
humanSizeFromBytes: humanSizeFromBytes,
|
|
capitalize: capitalize,
|
|
normShortId: normShortId,
|
|
uuidToShortId: uuidToShortId,
|
|
profileSlug: profileSlug,
|
|
filenameSlug: filenameSlug,
|
|
getCliTableOptions: getCliTableOptions,
|
|
promptYesNo: promptYesNo,
|
|
promptEnter: promptEnter,
|
|
promptField: promptField,
|
|
editInEditor: editInEditor,
|
|
ansiStylize: ansiStylize,
|
|
indent: indent,
|
|
chomp: chomp,
|
|
generatePassword: generatePassword,
|
|
execPlus: execPlus,
|
|
deepEqual: deepEqual,
|
|
tildeSync: tildeSync
|
|
};
|
|
// vim: set softtabstop=4 shiftwidth=4:
|