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backups: download is now async

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This commit is contained in:
Girish Ramakrishnan
2023-07-25 09:56:58 +05:30
parent 2bec56145e
commit 9a359a27f5
2 changed files with 39 additions and 45 deletions
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29
src/backupformat/tgz.js
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@@ -15,6 +15,7 @@ const assert = require('assert'),
once = require('../once.js'),
path = require('path'),
ProgressStream = require('../progress-stream.js'),
promiseRetry = require('../promise-retry.js'),
storage = require('../storage.js'),
tar = require('tar-fs'),
zlib = require('zlib');
@@ -143,26 +144,20 @@ async function download(backupConfig, remotePath, dataLayout, progressCallback)
const backupFilePath = getBackupFilePath(backupConfig, remotePath);
return new Promise((resolve, reject) => {
async.retry({ times: 5, interval: 20000 }, function (retryCallback) {
progressCallback({ message: `Downloading backup ${remotePath}` });
await promiseRetry({ times: 5, interval: 20000, debug }, async () => {
progressCallback({ message: `Downloading backup ${remotePath}` });
storage.api(backupConfig.provider).download(backupConfig, backupFilePath, function (error, sourceStream) {
if (error) return retryCallback(error);
const sourceStream = await storage.api(backupConfig.provider).download(backupConfig, backupFilePath);
const ps = tarExtract(sourceStream, dataLayout, backupConfig.encryption);
const ps = tarExtract(sourceStream, dataLayout, backupConfig.encryption);
ps.on('progress', function (progress) {
const transferred = Math.round(progress.transferred/1024/1024), speed = Math.round(progress.speed/1024/1024);
if (!transferred && !speed) return progressCallback({ message: 'Downloading backup' }); // 0M@0MBps looks wrong
progressCallback({ message: `Downloading ${transferred}M@${speed}MBps` });
});
ps.on('error', retryCallback);
ps.on('done', retryCallback);
return await new Promise((resolve, reject) => {
ps.on('progress', function (progress) {
const transferred = Math.round(progress.transferred/1024/1024), speed = Math.round(progress.speed/1024/1024);
if (!transferred && !speed) return progressCallback({ message: 'Downloading backup' }); // 0M@0MBps looks wrong
progressCallback({ message: `Downloading ${transferred}M@${speed}MBps` });
});
}, (error) => {
if (error) return reject(error);
resolve();
ps.on('error', reject);
ps.on('done', resolve);
});
});
}