There is a PR which adds a very similar thing (/selfDiscovered endpoint) that could probably be used for your purpose: https://github.com/apache/incubator-druid/pull/6702.
On Fri, 5 Apr 2019 at 23:23, Julian Jaffe <jja...@pinterest.com.invalid> wrote: > Hey all, > > I'm looking to add readiness checks to coordinator and overlord nodes to > improve automatic deployment of clusters. More specifically, I'm planning > to add an endpoint to the coordinator and overlord that returns 200 OK when > the node is ready to process lookup/tiering rules/supervisorspec/etc. > requests. My first thought is to add another module and bind at the > Stage.ANNOUNCEMENT stage. Is there any downside to this approach, or were > readiness checks for historicals implemented differently for historical > reasons? > > Thanks, > Julian >
