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