pkg/receive: remove deadlock on interrupt #1231
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bwplotka
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Jun 6, 2019
pkg/receive/handler.go
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| return httpSrv.Serve(listener) | ||
| }, func(error) { | ||
| go func() { | ||
| <-ctx.Done() | ||
| runutil.CloseWithLogOnErr(h.logger, listener, "receive HTTP listener") |
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Why not having handler.Close method and closing listener there? And having Close() method invoked in root oklog/run? Would be more explicit and consistent? (:
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yes absolutely sounds good, I assumed we were using context for consistency :)
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Hard to say about any consistency here.. but you are right we mix things everywhere in this space. (: We can do both, but this sounds like extra hidden go routine (:
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bwplotka
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Jun 6, 2019
cmd/thanos/receive.go
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| g.Add( | ||
| func() error { | ||
| if err := webHandler.Run(ctx); err != nil { | ||
| if err := webHandler.Run(); err != nil { | ||
| return fmt.Errorf("error starting web server: %s", err) |
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errors.Wrap instead, also I am 90% sure Run will never return nil error (: Not a blocker.
| func (h *Handler) Quit() <-chan struct{} { | ||
| return h.quitCh | ||
| // Close stops the Handler. | ||
| func (h *Handler) Close() { |
Currently, the receive component blocks indefinitely when the Thanos process is interrupted because the given context is not actually used to stop the server.
|
Thanks! lgtm 👍 |
FUSAKLA
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Jun 8, 2019
Currently, the receive component blocks indefinitely when the Thanos process is interrupted because the given context is not actually used to stop the server.
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Changes
Currently, the receive component blocks indefinitely when the Thanos
process is interrupted because the given context is not actually used
to stop the server.
Verification
cc @brancz @bwplotka