[Feature]: Tail attached logs

[antoniojtorres]

Problem

When a task or other dstack process has been running for a while and has generated substantial logs, it becomes difficult to spot check recent logs. When running dstack attach my-task --logs, dstack streams logs in ascending order from the very beginning, which can be impractical in many scenarios and a non-starter in others.

Solution

In the same vein as docker logs, it would be useful to pass the --tail flag to stream N lines from the end of the logs instead of the beginning. Optionally, passing a line count ( --tail 50) can help the user dial in what they need.

Workaround

No response

Would you like to help us implement this feature by sending a PR?

No

[r4victor]

@antoniojtorres, are you interested in this option for streaming logs in particular (dstack attach --logs) or for dstack logs as well? Asking because dstack logs API already supports start_time filter, which can be easily exposed as a CLI option.

[antoniojtorres]

@r4victor My specific use case would be to stream / life tail but would happily use a non-streamed one if it was available, would help me check-in on services more easily than currently. Thank you!

[github-actions]

This issue is stale because it has been open for 30 days with no activity.

[github-actions]

This issue was closed because it has been inactive for 14 days since being marked as stale. Please reopen the issue if it is still relevant.

[r4victor]

@antoniojtorres, added the --since argument to the dstack attach --logs command. Give it a try in the next release.