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node-spearhead/lib/do_instances.js

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/*
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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 2015 Joyent, Inc.
*
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* `triton instances ...`
*/
var format = require('util').format;
var tabula = require('tabula');
var vasync = require('vasync');
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var common = require('./common');
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// to be passed as query string args to /my/machines
var validFilters = [
'name',
'image',
'state',
'memory',
'tombstone',
'credentials'
];
// columns default without -o
var columnsDefault = 'shortid,name,img,state,primaryIp,ago';
// columns default with -l
var columnsDefaultLong = 'id,name,img,package,state,primaryIp,created';
// sort default with -s
var sortDefault = 'created';
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function do_instances(subcmd, opts, args, callback) {
var self = this;
if (opts.help) {
this.do_help('help', {}, [subcmd], callback);
return;
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}
var columns = columnsDefault;
if (opts.o) {
columns = opts.o;
} else if (opts.long) {
columns = columnsDefaultLong;
}
columns = columns.split(',');
var sort = opts.s.split(',');
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var listOpts;
try {
listOpts = common.kvToObj(args, validFilters);
} catch (e) {
callback(e);
return;
}
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var imgs;
var insts;
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vasync.parallel({funcs: [
function getTheImages(next) {
self.tritonapi.listImages({useCache: true}, function (err, _imgs) {
if (err) {
next(err);
} else {
imgs = _imgs;
next();
}
});
},
function getTheMachines(next) {
self.tritonapi.cloudapi.listMachines(listOpts,
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.
*/
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if (err) {
err = results.operations[1].err || err;
return callback(err);
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}
// map "uuid" => "image_name"
var imgmap = {};
imgs.forEach(function (img) {
imgmap[img.id] = format('%s@%s', img.name, img.version);
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});
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// Add extra fields for nice output.
// XXX FWIW, the "extra fields" for images and packages are not added
// for `opts.json`. Thoughts? We should be consistent there. --TM
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var now = new Date();
insts.forEach(function (inst) {
var created = new Date(inst.created);
inst.ago = common.longAgo(created, now);
inst.img = imgmap[inst.image] || inst.image;
inst.shortid = inst.id.split('-', 1)[0];
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});
if (opts.json) {
common.jsonStream(insts);
} else {
tabula(insts, {
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skipHeader: opts.H,
columns: columns,
sort: sort,
dottedLookup: true
});
}
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callback();
});
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}
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do_instances.options = [
{
names: ['help', 'h'],
type: 'bool',
help: 'Show this help.'
}
].concat(common.getCliTableOptions({
includeLong: true,
sortDefault: sortDefault
}));
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do_instances.help = (
'List instances.\n'
+ '\n'
+ 'Usage:\n'
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+ ' {{name}} instances [<filters>...]\n'
+ '\n'
+ '{{options}}'
);
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do_instances.aliases = ['insts'];
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module.exports = do_instances;