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node-spearhead/lib/do_package/do_list.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 2015 Joyent, Inc.
*
* `triton package list ...`
*/
var tabula = require('tabula');
var vasync = require('vasync');
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var common = require('../common');
// valid filters to pass to cloudapi.listPackages
var validFilters = [
'name',
'memory',
'disk',
'swap',
'lwps',
'version',
'vcpus',
'group'
];
// columns default without -o
var columnsDefault = 'shortid,name,memory,swap,disk,vcpus';
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// columns default with -l
var columnsDefaultLong = 'id,name,memory,swap,disk,vcpus,description';
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// sort default with -s
var sortDefault = '_groupPlus,memory';
function do_list(subcmd, opts, args, callback) {
var i;
if (opts.help) {
this.do_help('help', {}, [subcmd], callback);
return;
}
var columns = columnsDefault;
if (opts.o) {
columns = opts.o;
} else if (opts.long) {
columns = columnsDefaultLong;
}
columns = columns.split(',');
var rightAligned = {memory: true, disk: true, swap: true,
vcpus: true, lwps: true};
for (i = 0; i < columns.length; i++) {
if (rightAligned[columns[i]]) {
columns[i] = {lookup: columns[i], align: 'right'};
}
}
var sort = opts.s.split(',');
var listOpts;
try {
listOpts = common.kvToObj(args, validFilters);
} catch (e) {
callback(e);
return;
}
var context = {
cli: this.top
};
vasync.pipeline({arg: context, funcs: [
common.cliSetupTritonApi,
function getThem(arg, next) {
arg.cli.tritonapi.cloudapi.listPackages(listOpts,
function (err, pkgs) {
if (err) {
next(err);
return;
}
arg.pkgs = pkgs;
next();
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}
);
},
function display(arg, next) {
if (opts.json) {
common.jsonStream(arg.pkgs);
} else {
for (i = 0; i < arg.pkgs.length; i++) {
var pkg = arg.pkgs[i];
pkg.shortid = pkg.id.split('-', 1)[0];
/*
* We take a slightly "smarter" view of "group" for default
* sorting, to accomodate usage in the JPC. More recent
* common usage is for packages to have "foo-*" naming.
* JPC includes package sets of yore *and* recent that don't
* use the "group" field. We secondarily separate those
* on a possible "foo-" prefix.
*/
pkg._groupPlus = (pkg.group || (pkg.name.indexOf('-') === -1
? '' : pkg.name.split('-', 1)[0]));
if (!opts.p) {
pkg.memoryHuman = common.humanSizeFromBytes({
precision: 1,
narrow: true
}, pkg.memory * 1024 * 1024);
pkg.swapHuman = common.humanSizeFromBytes({
precision: 1,
narrow: true
}, pkg.swap * 1024 * 1024);
pkg.diskHuman = common.humanSizeFromBytes({
precision: 1,
narrow: true
}, pkg.disk * 1024 * 1024);
pkg.vcpusHuman = pkg.vcpus === 0 ? '-' : pkg.vcpus;
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}
}
if (!opts.p) {
columns = columns.map(function (c) {
switch (c.lookup || c) {
case 'memory':
return {lookup: 'memoryHuman', name: 'MEMORY',
align: 'right'};
case 'swap':
return {lookup: 'swapHuman', name: 'SWAP',
align: 'right'};
case 'disk':
return {lookup: 'diskHuman', name: 'DISK',
align: 'right'};
case 'vcpus':
return {lookup: 'vcpusHuman', name: 'VCPUS',
align: 'right'};
default:
return c;
}
});
}
tabula(arg.pkgs, {
skipHeader: opts.H,
columns: columns,
sort: sort
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});
}
next();
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}
]}, callback);
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}
do_list.options = [
{
names: ['help', 'h'],
type: 'bool',
help: 'Show this help.'
}
].concat(common.getCliTableOptions({
includeLong: true,
sortDefault: sortDefault
})).concat([
{
names: ['p'],
type: 'bool',
help: 'Display numbers in parsable (exact) values.'
}
]);
do_list.synopses = ['{{name}} {{cmd}} [FILTERS]'];
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do_list.help = [
/* BEGIN JSSTYLED */
'List packages.',
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'',
'{{usage}}',
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'',
'{{options}}',
'Filters:',
' FIELD=VALUE Field equality filter. Supported fields: ',
' account, owner, state, name, os, and type.',
' FIELD=true|false Field boolean filter. Supported fields: public.',
' FIELD=~SUBSTRING Field substring filter. Supported fields: name',
'',
'Notes on some fields:',
'- The "memory" (a.k.a. RAM), "swap", and "disk" fields are shown in',
' more human readable units in tabular output (i.e. if neither "-p" nor',
' "-j" is specified.',
'- The "vcpus" field is only relevant for KVM instances. It is therefore',
' typically set to zero for packages not intended for KVM usage. This',
' zero is shown as "-" in tabular output.',
'',
'Examples:',
' {{name}} list memory=8192 # list packages with 8G RAM'
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/* END JSSTYLED */
].join('\n');
do_list.aliases = ['ls'];
module.exports = do_list;