612 lines
19 KiB
JavaScript
612 lines
19 KiB
JavaScript
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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/*
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* Copyright 2015 Joyent, Inc.
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*
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* `triton create ...`
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*/
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var assert = require('assert-plus');
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var format = require('util').format;
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var fs = require('fs');
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var strsplit = require('strsplit');
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var tabula = require('tabula');
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var tilde = require('tilde-expansion');
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var vasync = require('vasync');
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var common = require('./common');
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var distractions = require('./distractions');
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var errors = require('./errors');
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// ---- loading/parsing metadata (and tags) from relevant options
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/*
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* Load and validate metadata from these options:
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* -m,--metadata DATA
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* -M,--metadata-file KEY=FILE
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* --script FILE
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*
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* <https://github.com/joyent/sdc-vmapi/blob/master/docs/index.md#vm-metadata>
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* says values may be string, num or bool.
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*/
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function metadataFromOpts(opts, log, cb) {
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assert.arrayOfObject(opts._order, 'opts._order');
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assert.object(log, 'log');
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assert.func(cb, 'cb');
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var metadata = {};
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vasync.forEachPipeline({
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inputs: opts._order,
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func: function metadataFromOpt(o, next) {
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log.trace({opt: o}, 'metadataFromOpt');
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if (o.key === 'metadata') {
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if (!o.value) {
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next(new errors.UsageError(
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'empty metadata option value'));
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return;
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} else if (o.value[0] === '{') {
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_addMetadataFromJsonStr(
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'metadata', metadata, o.value, null, next);
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} else if (o.value[0] === '@') {
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_addMetadataFromFile(
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'metadata', metadata, o.value.slice(1), next);
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} else {
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_addMetadataFromKvStr(
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'metadata', metadata, o.value, null, next);
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}
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} else if (o.key === 'metadata_file') {
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_addMetadataFromKfStr(
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'metadata', metadata, o.value, null, next);
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} else if (o.key === 'script') {
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_addMetadatumFromFile('metadata', metadata,
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'user-script', o.value, o.value, next);
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} else {
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next();
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}
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}
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}, function (err) {
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if (err) {
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cb(err);
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} else if (Object.keys(metadata).length) {
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cb(null, metadata);
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} else {
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cb();
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}
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});
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}
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/*
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* Load and validate tags from these options:
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* -t,--tag DATA
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*
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* <https://github.com/joyent/sdc-vmapi/blob/master/docs/index.md#vm-metadata>
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* says values may be string, num or bool.
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*/
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function tagsFromOpts(opts, log, cb) {
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assert.arrayOfObject(opts._order, 'opts._order');
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assert.object(log, 'log');
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assert.func(cb, 'cb');
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var tags = {};
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vasync.forEachPipeline({
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inputs: opts._order,
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func: function tagsFromOpt(o, next) {
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log.trace({opt: o}, 'tagsFromOpt');
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if (o.key === 'tag') {
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if (!o.value) {
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next(new errors.UsageError(
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'empty tag option value'));
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return;
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} else if (o.value[0] === '{') {
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_addMetadataFromJsonStr('tag', tags, o.value, null, next);
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} else if (o.value[0] === '@') {
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_addMetadataFromFile('tag', tags, o.value.slice(1), next);
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} else {
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_addMetadataFromKvStr('tag', tags, o.value, null, next);
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}
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} else {
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next();
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}
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}
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}, function (err) {
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if (err) {
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cb(err);
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} else if (Object.keys(tags).length) {
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cb(null, tags);
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} else {
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cb();
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}
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});
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}
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var allowedTypes = ['string', 'number', 'boolean'];
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function _addMetadatum(ilk, metadata, key, value, from, cb) {
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assert.string(ilk, 'ilk');
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assert.object(metadata, 'metadata');
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assert.string(key, 'key');
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assert.optionalString(from, 'from');
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assert.func(cb, 'cb');
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if (allowedTypes.indexOf(typeof (value)) === -1) {
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cb(new errors.UsageError(format(
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'invalid %s value type%s: must be one of %s: %s=%j',
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ilk, (from ? ' (from ' + from + ')' : ''),
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allowedTypes.join(', '), key, value)));
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return;
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}
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if (metadata.hasOwnProperty(key)) {
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var valueStr = value.toString();
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console.error(
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'warning: %s "%s=%s"%s replaces earlier value for "%s"',
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ilk,
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key,
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(valueStr.length > 10
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? valueStr.slice(0, 7) + '...' : valueStr),
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(from ? ' (from ' + from + ')' : ''),
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key);
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}
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metadata[key] = value;
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cb();
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}
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function _addMetadataFromObj(ilk, metadata, obj, from, cb) {
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assert.string(ilk, 'ilk');
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assert.object(metadata, 'metadata');
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assert.object(obj, 'obj');
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assert.optionalString(from, 'from');
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assert.func(cb, 'cb');
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vasync.forEachPipeline({
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inputs: Object.keys(obj),
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func: function _oneField(key, next) {
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_addMetadatum(ilk, metadata, key, obj[key], from, next);
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}
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}, cb);
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}
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function _addMetadataFromJsonStr(ilk, metadata, s, from, cb) {
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assert.string(ilk, 'ilk');
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try {
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var obj = JSON.parse(s);
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} catch (parseErr) {
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cb(new errors.TritonError(parseErr,
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format('%s%s is not valid JSON', ilk,
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(from ? ' (from ' + from + ')' : ''))));
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return;
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}
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_addMetadataFromObj(ilk, metadata, obj, from, cb);
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}
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function _addMetadataFromFile(ilk, metadata, file, cb) {
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assert.string(ilk, 'ilk');
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tilde(file, function (metaPath) {
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fs.stat(metaPath, function (statErr, stats) {
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if (statErr || !stats.isFile()) {
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cb(new errors.TritonError(format(
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'"%s" is not an existing file', file)));
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return;
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}
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fs.readFile(metaPath, 'utf8', function (readErr, data) {
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if (readErr) {
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cb(readErr);
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return;
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}
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/*
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* The file is either a JSON object (first non-space
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* char is '{'), or newline-separated key=value
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* pairs.
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*/
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var dataTrim = data.trim();
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if (dataTrim.length && dataTrim[0] === '{') {
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_addMetadataFromJsonStr(ilk, metadata, dataTrim, file, cb);
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} else {
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var lines = dataTrim.split(/\r?\n/g).filter(
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function (line) { return line.trim(); });
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vasync.forEachPipeline({
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inputs: lines,
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func: function oneLine(line, next) {
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_addMetadataFromKvStr(
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ilk, metadata, line, file, next);
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}
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}, cb);
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}
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});
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});
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});
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}
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function _addMetadataFromKvStr(ilk, metadata, s, from, cb) {
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assert.string(ilk, 'ilk');
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var parts = strsplit(s, '=', 2);
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if (parts.length !== 2) {
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cb(new errors.UsageError(format(
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'invalid KEY=VALUE %s argument: %s', ilk, s)));
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return;
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}
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var value = parts[1];
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var valueTrim = value.trim();
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if (valueTrim === 'true') {
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value = true;
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} else if (valueTrim === 'false') {
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value = false;
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} else {
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var num = Number(value);
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if (!isNaN(num)) {
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value = num;
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}
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}
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_addMetadatum(ilk, metadata, parts[0].trim(), value, from, cb);
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}
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/*
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* Add metadata from `KEY=FILE` argument.
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* Here "Kf" stands for "key/file".
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*/
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function _addMetadataFromKfStr(ilk, metadata, s, from, cb) {
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assert.string(ilk, 'ilk');
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var parts = strsplit(s, '=', 2);
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if (parts.length !== 2) {
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cb(new errors.UsageError(format(
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'invalid KEY=FILE %s argument: %s', ilk, s)));
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return;
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}
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var key = parts[0].trim();
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var file = parts[1];
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_addMetadatumFromFile(ilk, metadata, key, file, file, cb);
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}
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function _addMetadatumFromFile(ilk, metadata, key, file, from, cb) {
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assert.string(ilk, 'ilk');
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tilde(file, function (filePath) {
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fs.stat(filePath, function (statErr, stats) {
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if (statErr || !stats.isFile()) {
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cb(new errors.TritonError(format(
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'%s path "%s" is not an existing file', ilk, file)));
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return;
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}
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fs.readFile(filePath, 'utf8', function (readErr, content) {
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if (readErr) {
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cb(readErr);
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return;
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}
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_addMetadatum(ilk, metadata, key, content, from, cb);
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});
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});
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});
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}
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// ---- the command
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function do_create_instance(subcmd, opts, args, cb) {
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var self = this;
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if (opts.help) {
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this.do_help('help', {}, [subcmd], cb);
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return;
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} else if (args.length !== 2) {
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return cb(new errors.UsageError('incorrect number of args'));
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}
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var log = this.tritonapi.log;
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var cloudapi = this.tritonapi.cloudapi;
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vasync.pipeline({arg: {}, funcs: [
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function loadMetadata(ctx, next) {
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metadataFromOpts(opts, self.log, function (err, metadata) {
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if (err) {
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next(err);
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return;
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}
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if (metadata) {
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log.trace({metadata: metadata},
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'metadata loaded from opts');
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ctx.metadata = metadata;
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}
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next();
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});
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},
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function loadTags(ctx, next) {
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tagsFromOpts(opts, self.log, function (err, tags) {
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if (err) {
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next(err);
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return;
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}
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if (tags) {
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log.trace({tags: tags}, 'tags loaded from opts');
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ctx.tags = tags;
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}
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next();
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});
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},
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function getImg(ctx, next) {
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var _opts = {
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name: args[0],
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useCache: true
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};
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self.tritonapi.getImage(_opts, function (err, img) {
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if (err) {
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return next(err);
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}
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ctx.img = img;
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log.trace({img: img}, 'create-instance img');
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next();
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});
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},
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function getPkg(ctx, next) {
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if (args.length < 2) {
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return next();
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}
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var id = args[1];
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if (common.isUUID(id)) {
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ctx.pkg = {id: id};
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next();
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return;
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}
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self.tritonapi.getPackage(id, function (err, pkg) {
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if (err) {
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return next(err);
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}
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log.trace({pkg: pkg}, 'create-instance pkg');
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ctx.pkg = pkg;
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next();
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});
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},
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function getNets(ctx, next) {
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if (!opts.network) {
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return next();
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}
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// TODO: want an error or warning on no networks?
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ctx.nets = [];
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vasync.forEachPipeline({
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inputs: opts.network,
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func: function getOneNetwork(name, nextNet) {
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self.tritonapi.getNetwork(name, function (err, net) {
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if (err) {
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nextNet(err);
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} else {
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ctx.nets.push(net);
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nextNet();
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}
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});
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}
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}, next);
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},
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function createInst(ctx, next) {
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var createOpts = {
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name: opts.name,
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image: ctx.img.id,
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'package': ctx.pkg && ctx.pkg.id,
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networks: ctx.nets && ctx.nets.map(
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function (net) { return net.id; })
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};
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if (ctx.metadata) {
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Object.keys(ctx.metadata).forEach(function (key) {
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createOpts['metadata.'+key] = ctx.metadata[key];
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});
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}
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if (ctx.tags) {
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Object.keys(ctx.tags).forEach(function (key) {
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createOpts['tag.'+key] = ctx.tags[key];
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});
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}
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for (var i = 0; i < opts._order.length; i++) {
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var opt = opts._order[i];
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if (opt.key === 'firewall') {
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createOpts.firewall_enabled = opt.value;
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}
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}
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log.trace({dryRun: opts.dry_run, createOpts: createOpts},
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'create-instance createOpts');
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ctx.start = Date.now();
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if (opts.dry_run) {
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ctx.inst = {
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id: 'beefbeef-4c0e-11e5-86cd-a7fd38d2a50b',
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name: 'this-is-a-dry-run'
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};
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console.log('Creating instance %s (%s, %s@%s)',
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ctx.inst.name, ctx.inst.id,
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ctx.img.name, ctx.img.version);
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return next();
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}
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cloudapi.createMachine(createOpts, function (err, inst) {
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if (err) {
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next(new errors.TritonError(err,
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'error creating instance'));
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return;
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}
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ctx.inst = inst;
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if (opts.json) {
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console.log(JSON.stringify(inst));
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} else {
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console.log('Creating instance %s (%s, %s@%s%s)',
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inst.name, inst.id, ctx.img.name, ctx.img.version,
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inst.package ? format(', %s', inst.package) : '');
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}
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next();
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});
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},
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function maybeWait(ctx, next) {
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if (!opts.wait) {
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return next();
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}
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// 1 'wait': no distraction.
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// >1 'wait': distraction, pass in the N.
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var distraction;
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if (process.stderr.isTTY && opts.wait.length > 1) {
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distraction = distractions.createDistraction(opts.wait.length);
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}
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// Dry-run: fake wait for a few seconds.
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var waiter = (opts.dry_run ?
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function dryWait(waitOpts, waitCb) {
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setTimeout(function () {
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ctx.inst.state = 'running';
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waitCb(null, ctx.inst);
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}, 5000);
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}
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: cloudapi.waitForMachineStates.bind(cloudapi));
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waiter({
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id: ctx.inst.id,
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states: ['running', 'failed']
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}, function (err, inst) {
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if (distraction) {
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distraction.destroy();
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}
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if (err) {
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return next(err);
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}
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if (opts.json) {
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console.log(JSON.stringify(inst));
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} else if (inst.state === 'running') {
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var dur = Date.now() - ctx.start;
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console.log('Created instance %s (%s) in %s',
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inst.name, inst.id, common.humanDurationFromMs(dur));
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}
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if (inst.state !== 'running') {
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next(new Error(format('failed to create instance %s (%s)',
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inst.name, inst.id)));
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} else {
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next();
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}
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});
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}
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]}, function (err) {
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cb(err);
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});
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}
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do_create_instance.options = [
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{
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names: ['help', 'h'],
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type: 'bool',
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help: 'Show this help.'
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},
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{
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group: 'Create options'
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},
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{
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names: ['name', 'n'],
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helpArg: 'NAME',
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type: 'string',
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help: 'Instance name. If not given, one will be generated server-side.'
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},
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{
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// TODO: add boolNegationPrefix:'no-' when that cmdln pull is in
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names: ['firewall'],
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type: 'bool',
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help: 'Enable Cloud Firewall on this instance. See ' +
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'<https://docs.joyent.com/public-cloud/network/firewall>'
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},
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{
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names: ['metadata', 'm'],
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type: 'arrayOfString',
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helpArg: 'DATA',
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help: 'Add metadata when creating the instance. Metadata are ' +
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'key/value pairs available on the instance API object as the ' +
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'"metadata" field, and inside the instance via the "mdata-*" ' +
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'commands. DATA is one of: a "key=value" string (bool and ' +
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'numeric "value" are converted to that type), a JSON object ' +
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'(if first char is "{"), or a "@FILE" to have metadata be ' +
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'loaded from FILE. This option can be used multiple times.'
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},
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{
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names: ['metadata-file', 'M'],
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type: 'arrayOfString',
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helpArg: 'KEY=FILE',
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help: 'Set a metadata key KEY from the contents of FILE.'
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},
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{
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names: ['script'],
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type: 'arrayOfString',
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helpArg: 'FILE',
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help: 'Load a file to be used for the "user-script" metadata key. In ' +
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'Joyent-provided images, the user-script is run at every boot ' +
|
|
'of the instance. This is a shortcut for `-M user-script=FILE`.'
|
|
},
|
|
{
|
|
names: ['tag', 't'],
|
|
type: 'arrayOfString',
|
|
helpArg: 'TAG',
|
|
help: 'Add a tag when creating the instance. Tags are ' +
|
|
'key/value pairs available on the instance API object as the ' +
|
|
'"tags" field. TAG is one of: a "key=value" string (bool and ' +
|
|
'numeric "value" are converted to that type), a JSON object ' +
|
|
'(if first char is "{"), or a "@FILE" to have tags be ' +
|
|
'loaded from FILE. This option can be used multiple times.'
|
|
},
|
|
{
|
|
names: ['network', 'N'],
|
|
type: 'arrayOfCommaSepString',
|
|
helpArg: 'NETWORK',
|
|
help: 'One or more comma-separated networks (ID, name or short id). ' +
|
|
'This option can be used multiple times.'
|
|
},
|
|
|
|
// XXX locality: near, far
|
|
|
|
{
|
|
group: 'Other options'
|
|
},
|
|
{
|
|
names: ['dry-run'],
|
|
type: 'bool',
|
|
help: 'Go through the motions without actually creating.'
|
|
},
|
|
{
|
|
names: ['wait', 'w'],
|
|
type: 'arrayOfBool',
|
|
help: 'Wait for the creation to complete. Use multiple times for a ' +
|
|
'spinner.'
|
|
},
|
|
{
|
|
names: ['json', 'j'],
|
|
type: 'bool',
|
|
help: 'JSON stream output.'
|
|
}
|
|
];
|
|
|
|
do_create_instance.help = (
|
|
/* BEGIN JSSTYLED */
|
|
'Create a new instance.\n' +
|
|
'\n' +
|
|
'Usage:\n' +
|
|
' {{name}} create-instance [<options>] IMAGE PACKAGE\n' +
|
|
'\n' +
|
|
'{{options}}'
|
|
/* END JSSTYLED */
|
|
);
|
|
|
|
do_create_instance.helpOpts = {
|
|
maxHelpCol: 18
|
|
};
|
|
|
|
do_create_instance.aliases = ['create'];
|
|
|
|
|
|
|
|
module.exports = do_create_instance;
|
|
do_create_instance.metadataFromOpts = metadataFromOpts; // export for testing
|
|
do_create_instance.tagsFromOpts = tagsFromOpts; // export for testing
|