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Drop database backup logic, because duplicating a relative large database likely causes a disk space issue, users should take backup manually instead.

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This commit is contained in:
Louis Lam 2023-03-31 23:52:24 +08:00
parent de0d1edfd4
commit 17ae47d091
1 changed files with 1 additions and 106 deletions
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107
server/database.js
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@ -199,15 +199,7 @@ class Database {
} else {
log.info("db", "Database patch is needed");
try {
this.backup(version);
} catch (e) {
log.error("db", e);
log.error("db", "Unable to create a backup before patching the database. Please make sure you have enough space and permission.");
process.exit(1);
}
// Try catch anything here, if gone wrong, restore the backup
// Try catch anything here
try {
for (let i = version + 1; i <= this.latestVersion; i++) {
const sqlFile = `./db/patch${i}.sql`;
@ -223,7 +215,6 @@ class Database {
log.error("db", "Start Uptime-Kuma failed due to issue patching the database");
log.error("db", "Please submit a bug report if you still encounter the problem after restart: https://github.com/louislam/uptime-kuma/issues");
this.restore();
process.exit(1);
}
}
@ -265,8 +256,6 @@ class Database {
log.error("db", "Start Uptime-Kuma failed due to issue patching the database");
log.error("db", "Please submit the bug report if you still encounter the problem after restart: https://github.com/louislam/uptime-kuma/issues");
this.restore();
process.exit(1);
}
@ -451,100 +440,6 @@ class Database {
process.removeListener("unhandledRejection", listener);
}
/**
* One backup one time in this process.
* Reset this.backupPath if you want to backup again
* @param {string} version Version code of backup
*/
static backup(version) {
if (! this.backupPath) {
log.info("db", "Backing up the database");
this.backupPath = this.dataDir + "kuma.db.bak" + version;
fs.copyFileSync(Database.path, this.backupPath);
const shmPath = Database.path + "-shm";
if (fs.existsSync(shmPath)) {
this.backupShmPath = shmPath + ".bak" + version;
fs.copyFileSync(shmPath, this.backupShmPath);
}
const walPath = Database.path + "-wal";
if (fs.existsSync(walPath)) {
this.backupWalPath = walPath + ".bak" + version;
fs.copyFileSync(walPath, this.backupWalPath);
}
// Double confirm if all files actually backup
if (!fs.existsSync(this.backupPath)) {
throw new Error("Backup failed! " + this.backupPath);
}
if (fs.existsSync(shmPath)) {
if (!fs.existsSync(this.backupShmPath)) {
throw new Error("Backup failed! " + this.backupShmPath);
}
}
if (fs.existsSync(walPath)) {
if (!fs.existsSync(this.backupWalPath)) {
throw new Error("Backup failed! " + this.backupWalPath);
}
}
}
}
/** Restore from most recent backup */
static restore() {
if (this.backupPath) {
log.error("db", "Patching the database failed!!! Restoring the backup");
const shmPath = Database.path + "-shm";
const walPath = Database.path + "-wal";
// Make sure we have a backup to restore before deleting old db
if (
!fs.existsSync(this.backupPath)
&& !fs.existsSync(shmPath)
&& !fs.existsSync(walPath)
) {
log.error("db", "Backup file not found! Leaving database in failed state.");
process.exit(1);
}
// Delete patch failed db
try {
if (fs.existsSync(Database.path)) {
fs.unlinkSync(Database.path);
}
if (fs.existsSync(shmPath)) {
fs.unlinkSync(shmPath);
}
if (fs.existsSync(walPath)) {
fs.unlinkSync(walPath);
}
} catch (e) {
log.error("db", "Restore failed; you may need to restore the backup manually");
process.exit(1);
}
// Restore backup
fs.copyFileSync(this.backupPath, Database.path);
if (this.backupShmPath) {
fs.copyFileSync(this.backupShmPath, shmPath);
}
if (this.backupWalPath) {
fs.copyFileSync(this.backupWalPath, walPath);
}
} else {
log.info("db", "Nothing to restore");
}
}
/** Get the size of the database */
static getSize() {
log.debug("db", "Database.getSize()");