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changed backup to simple scheme with one daily, one weekly and one monthly backup, fixes #15

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azivner
2018-07-30 16:40:50 +02:00
parent 263ac299d0
commit d3d49923b1
6 changed files with 30 additions and 36 deletions
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49
src/services/backup.js
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@@ -10,49 +10,32 @@ const syncMutexService = require('./sync_mutex');
const cls = require('./cls');
async function regularBackup() {
const now = new Date();
const lastBackupDate = dateUtils.parseDateTime(await optionService.getOption('lastBackupDate'));
await periodBackup('lastDailyBackupDate', 'daily', 24 * 3600);
console.log(lastBackupDate);
await periodBackup('lastWeeklyBackupDate', 'weekly', 7 * 24 * 3600);
if (now.getTime() - lastBackupDate.getTime() > 43200 * 1000) {
await backupNow();
}
await cleanupOldBackups();
await periodBackup('lastMonthlyBackupDate', 'monthly', 30 * 24 * 3600);
}
async function backupNow() {
// we don't want to backup DB in the middle of sync with potentially inconsistent DB state
async function periodBackup(optionName, fileName, periodInSeconds) {
const now = new Date();
const lastDailyBackupDate = dateUtils.parseDateTime(await optionService.getOption(optionName));
if (now.getTime() - lastDailyBackupDate.getTime() > periodInSeconds * 1000) {
await backupNow(fileName);
await optionService.setOption(optionName, dateUtils.nowDate());
}
}
async function backupNow(name) {
// we don't want to backup DB in the middle of sync with potentially inconsistent DB state
await syncMutexService.doExclusively(async () => {
const backupFile = dataDir.BACKUP_DIR + "/" + "backup-" + dateUtils.getDateTimeForFile() + ".db";
const backupFile = `${dataDir.BACKUP_DIR}/backup-${name}.db`;
fs.copySync(dataDir.DOCUMENT_PATH, backupFile);
log.info("Created backup at " + backupFile);
await optionService.setOption('lastBackupDate', dateUtils.nowDate());
});
}
async function cleanupOldBackups() {
const now = new Date();
fs.readdirSync(dataDir.BACKUP_DIR).forEach(file => {
const match = file.match(/backup-([0-9 -:]+)\.db/);
if (match) {
const date_str = match[1];
const date = Date.parse(date_str);
if (now.getTime() - date.getTime() > 30 * 24 * 3600 * 1000) {
log.info("Removing old backup - " + file);
fs.unlink(dataDir.BACKUP_DIR + "/" + file);
}
}
});
}