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node-spearhead/lib/do_fwrule/do_instances.js

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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/*
* Copyright 2018 Joyent, Inc.
*
* `triton fwrule instances ...`
*/
var format = require('util').format;
var tabula = require('tabula');
var vasync = require('vasync');
var common = require('../common');
var errors = require('../errors');
var COLUMNS_DEFAULT = 'shortid,name,img,state,flags,age';
var COLUMNS_LONG = 'id,name,img,brand,package,state,flags,primaryIp,created';
var SORT_DEFAULT = 'created';
function do_instances(subcmd, opts, args, cb) {
if (opts.help) {
this.do_help('help', {}, [subcmd], cb);
return;
}
if (args.length === 0) {
cb(new errors.UsageError('missing FWRULE argument'));
return;
} else if (args.length > 1) {
cb(new errors.UsageError('incorrect number of arguments'));
return;
}
var id = args[0];
var columns = COLUMNS_DEFAULT;
if (opts.o) {
columns = opts.o;
} else if (opts.long) {
columns = COLUMNS_LONG;
}
columns = columns.split(',');
var sort = opts.s.split(',');
var imgs;
var insts;
var tritonapi = this.top.tritonapi;
common.cliSetupTritonApi({cli: this.top}, function onSetup(setupErr) {
if (setupErr) {
cb(setupErr);
return;
}
vasync.parallel({funcs: [
function getTheImages(next) {
tritonapi.listImages({
useCache: true,
state: 'all'
}, function (err, _imgs) {
if (err) {
next(err);
} else {
imgs = _imgs;
next();
}
});
},
function getTheMachines(next) {
tritonapi.listFirewallRuleInstances({
id: id
}, function (err, _insts) {
if (err) {
next(err);
} else {
insts = _insts;
next();
}
});
}
]}, function (err, results) {
/*
* Error handling: vasync.parallel's `err` is always a
* MultiError. We want to prefer the `getTheMachines` err,
* e.g. if both get a self-signed cert error.
*/
if (err) {
err = results.operations[1].err || err;
return cb(err);
}
// map "uuid" => "image_name"
var imgmap = {};
imgs.forEach(function (img) {
imgmap[img.id] = format('%s@%s', img.name, img.version);
});
// Add extra fields for nice output.
var now = new Date();
insts.forEach(function (inst) {
var created = new Date(inst.created);
inst.age = common.longAgo(created, now);
inst.img = imgmap[inst.image] ||
common.uuidToShortId(inst.image);
inst.shortid = inst.id.split('-', 1)[0];
var flags = [];
if (inst.brand === 'bhyve') flags.push('B');
if (inst.docker) flags.push('D');
if (inst.firewall_enabled) flags.push('F');
if (inst.brand === 'kvm') flags.push('K');
inst.flags = flags.length ? flags.join('') : undefined;
});
if (opts.json) {
common.jsonStream(insts);
} else {
tabula(insts, {
skipHeader: opts.H,
columns: columns,
sort: sort,
dottedLookup: true
});
}
cb();
});
});
}
do_instances.options = [
{
names: ['help', 'h'],
type: 'bool',
help: 'Show this help.'
}
].concat(common.getCliTableOptions({
includeLong: true,
sortDefault: SORT_DEFAULT
}));
do_instances.synopses = ['{{name}} {{cmd}} [OPTIONS] FWRULE'];
do_instances.help = [
/* BEGIN JSSTYLED */
'List instances to which a firewall rule applies',
'',
'{{usage}}',
'',
'{{options}}',
'Where FWRULE is a firewall rule id (full UUID) or short id.',
'',
'Fields (most are self explanatory, "*" indicates a field added client-side',
'for convenience):',
' shortid* A short ID prefix.',
' flags* Single letter flags summarizing some fields:',
' "B" the brand is "bhyve"',
' "D" docker instance',
' "F" firewall is enabled',
' "K" the brand is "kvm"',
' age* Approximate time since created, e.g. 1y, 2w.',
' img* The image "name@version", if available, else its',
' "shortid".'
/* END JSSTYLED */
].join('\n');
do_instances.aliases = ['insts'];
do_instances.completionArgtypes = ['tritonfwrule', 'none'];
module.exports = do_instances;