165 lines
4.4 KiB
JavaScript
165 lines
4.4 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 2016 Joyent, Inc.
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*
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* `triton snapshot delete ...`
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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 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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function do_delete(subcmd, opts, args, cb) {
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assert.func(cb, '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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}
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if (args.length < 2) {
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cb(new errors.UsageError('missing <inst> and <snapname> argument(s)'));
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return;
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}
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var cli = this.top;
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var inst = args[0];
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var names = args.slice(1, args.length);
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function wait(instId, name, startTime, next) {
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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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var cloudapi = cli.tritonapi.cloudapi;
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var waiter = cloudapi.waitForSnapshotStates.bind(cloudapi);
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waiter({
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id: instId,
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name: name,
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states: ['deleted']
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}, function (err, snap) {
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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 (snap.state === 'deleted') {
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var duration = Date.now() - startTime;
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var durStr = common.humanDurationFromMs(duration);
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console.log('Deleted snapshot "%s" in %s', name, durStr);
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next();
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} else {
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// shouldn't get here, but...
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next(new Error(format('Failed to delete snapshot "%s"', name)));
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}
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});
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}
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vasync.pipeline({funcs: [
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function confirm(_, next) {
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if (opts.force) {
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return next();
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}
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var msg;
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if (names.length === 1) {
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msg = 'Delete snapshot "' + names[0] + '"? [y/n] ';
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} else {
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msg = format('Delete %d snapshots (%s)? [y/n] ',
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names.length, names.join(', '));
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}
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common.promptYesNo({msg: msg}, function (answer) {
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if (answer !== 'y') {
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console.error('Aborting');
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next(true); // early abort signal
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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 deleteThem(_, next) {
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var startTime = Date.now();
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vasync.forEachParallel({
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inputs: names,
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func: function deleteOne(name, nextName) {
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cli.tritonapi.deleteInstanceSnapshot({
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id: inst,
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name: name
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}, function (err, res) {
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if (err) {
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nextName(err);
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return;
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}
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var instId = res.instId;
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var msg = 'Deleting snapshot "%s" of instance "%s"';
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console.log(msg, name, instId);
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if (opts.wait) {
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wait(instId, name, startTime, nextName);
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} else {
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nextName();
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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 (err) {
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if (err === true) {
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err = null;
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}
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cb(err);
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});
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}
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do_delete.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: ['force', 'f'],
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type: 'bool',
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help: 'Skip confirmation of delete.'
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},
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{
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names: ['wait', 'w'],
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type: 'arrayOfBool',
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help: 'Wait for the deletion to complete. Use multiple times for a ' +
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'spinner.'
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}
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];
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do_delete.help = [
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'Remove a snapshot from an instance.',
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'',
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'Usage:',
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' {{name}} delete [<options>] <inst> <snapname> [<snapname>...]',
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'',
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'{{options}}'
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].join('\n');
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do_delete.aliases = ['rm'];
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module.exports = do_delete;
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