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Fix task duplication: add single/multi-instance support with UI configuration and stop all running instances (#2837)

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* Initial plan

* Stop running tasks before starting new scheduled instance

Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>

* Add multi-instance support and fix stop to kill all running instances

- Add allow_multiple_instances field to Crontab model (default: 0 for single instance)
- Add validation for new field in commonCronSchema
- Add getAllPids and killAllTasks utility functions
- Update stop method to kill ALL running instances of a task
- Update runCron to respect allow_multiple_instances config
- Backward compatible: defaults to single instance mode

Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>

* Add UI support for allow_multiple_instances configuration

- Add allow_multiple_instances field to ICrontab interface
- Add instance mode selector in task creation/edit modal
- Add translations for instance mode in Chinese and English
- Default to single instance mode for backward compatibility

Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>

* Add allow_multiple_instances column migration and optimize db.ts

- Add allow_multiple_instances column to Crontabs table migration
- Refactor migration code to use data-driven approach
- Replace 11 individual try-catch blocks with single loop
- Improve code maintainability and readability

Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>
This commit is contained in:
Copilot
2025-11-19 00:10:27 +08:00
committed by GitHub
parent 0e5de4a824
commit 03c7031a3c
10 changed files with 148 additions and 59 deletions
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back/config/util.ts
+21
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@@ -417,6 +417,27 @@ export async function getPid(cmd: string) {
return pid ? Number(pid) : undefined;
}
export async function getAllPids(cmd: string): Promise<number[]> {
const taskCommand = `ps -eo pid,command | grep "${cmd}" | grep -v grep | awk '{print $1}'`;
const pidsStr = await promiseExec(taskCommand);
if (!pidsStr) return [];
return pidsStr
.split('\n')
.map((p) => Number(p.trim()))
.filter((p) => !isNaN(p) && p > 0);
}
export async function killAllTasks(cmd: string): Promise<void> {
const pids = await getAllPids(cmd);
for (const pid of pids) {
try {
await killTask(pid);
} catch (error) {
// Ignore errors if process already terminated
}
}
}
interface IVersion {
version: string;
changeLogLink: string;