Remover Purger Delete Series, List Delete Requests, Cancel Delete Request HTTP API Endpoints

[09jvilla]

The delete series, list delete requests, and cancel delete request part of the Mimir HTTP API can be removed since they only work for chunks storage.

Tenant delete request and Tenant delete status should be left as is since they work with blocks storage.

[09jvilla]

@pstibrany can any of the knobs from the purger config be removed as well now that we're removing chunks storage?

[pstibrany]

I think we should instead work on implementing the APIs when running blocks storage. (There is a proposal in Cortex for this).

[pstibrany]

@pstibrany can any of the knobs from the purger config be removed as well now that we're removing chunks storage?

If we remove the current implementation, then all these knobs can be removed.

[09jvilla]

Fair, I agree with you that just implementing these APIs is better than deleting them. The ability to delete series seems like important baseline functionality for a tsdb.

I've seen the proposal before and that there is a PR, but it was hard for me to tell if it is still moving along since its been open for months.

I'll put this at the end of our list of issues for mimir cleanup and we can revisit then. If this PR is further along, we may be able to just pull in the code directly to mimir.