zerobyte/app/server/modules/backups/backup.helpers.ts
bcrooker ef51d665c8 feat(backups): add custom restic params to backup schedules
Allows users to pass arbitrary restic flags via a new advanced section in the create/edit schedule form. Includes DB migration, schema update, DTO, service, and restic command changes.
2026-02-27 14:46:47 -05:00

42 lines
1.6 KiB
TypeScript

import CronExpressionParser from "cron-parser";
import path from "node:path";
import type { BackupSchedule } from "~/server/db/schema";
import { toMessage } from "~/server/utils/errors";
import { logger } from "~/server/utils/logger";
export const calculateNextRun = (cronExpression: string) => {
try {
const interval = CronExpressionParser.parse(cronExpression, {
currentDate: new Date(),
tz: Intl.DateTimeFormat().resolvedOptions().timeZone,
});
return interval.next().getTime();
} catch (error) {
logger.error(`Failed to parse cron expression "${cronExpression}": ${toMessage(error)}`);
const fallback = new Date();
fallback.setMinutes(fallback.getMinutes() + 1);
return fallback.getTime();
}
};
export const processPattern = (pattern: string, volumePath: string) => {
const isNegated = pattern.startsWith("!");
const p = isNegated ? pattern.slice(1) : pattern;
if (!p.startsWith("/")) {
return pattern;
}
const processed = path.join(volumePath, p.slice(1));
return isNegated ? `!${processed}` : processed;
};
export const createBackupOptions = (schedule: BackupSchedule, volumePath: string, signal: AbortSignal) => ({
tags: [schedule.shortId],
oneFileSystem: schedule.oneFileSystem,
signal,
exclude: schedule.excludePatterns ? schedule.excludePatterns.map((p) => processPattern(p, volumePath)) : undefined,
excludeIfPresent: schedule.excludeIfPresent ?? undefined,
include: schedule.includePatterns ? schedule.includePatterns.map((p) => processPattern(p, volumePath)) : undefined,
customResticParams: schedule.customResticParams ?? undefined,
});