Support observe backend health status #225
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enhancement
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vicanso
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andrewhavck
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--- test: add test for upstream health observe --- renamed the function and added doc to make it intelligible --- fix clippy error --- Merge branch 'main' into main --- test: fix test for backend do update Co-authored-by: Tree Xie <tree.xie@outlook.com> Includes-commit: 1421c26 Includes-commit: 695d549 Includes-commit: 6a09b52 Includes-commit: 72d6ee0 Includes-commit: e6c2af0 Includes-commit: fb62869 Replicated-from: #325
andrewhavck
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Aug 9, 2024
--- test: add test for upstream health observe --- renamed the function and added doc to make it intelligible --- fix clippy error --- Merge branch 'main' into main --- test: fix test for backend do update Co-authored-by: Tree Xie <tree.xie@outlook.com> Includes-commit: 1421c26 Includes-commit: 695d549 Includes-commit: 6a09b52 Includes-commit: 72d6ee0 Includes-commit: e6c2af0 Includes-commit: fb62869 Replicated-from: #325
escoffier
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Sep 6, 2024
--- test: add test for upstream health observe --- renamed the function and added doc to make it intelligible --- fix clippy error --- Merge branch 'main' into main --- test: fix test for backend do update Co-authored-by: Tree Xie <tree.xie@outlook.com> Includes-commit: 1421c26 Includes-commit: 695d549 Includes-commit: 6a09b52 Includes-commit: 72d6ee0 Includes-commit: e6c2af0 Includes-commit: fb62869 Replicated-from: cloudflare#325
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What is the problem your feature solves, or the need it fulfills?
I want to get the status change of backend, and send a notification. Now it only prints a warn log. https://github.com/cloudflare/pingora/blob/main/pingora-load-balancing/src/lib.rs#L229, I can get status change from logger.
Is it possible to support callback function to observe it?
Describe the solution you'd like
Supports to set callbacks like
TlsAcceptCallbacks.Describe alternatives you've considered
What other solutions, features, or workarounds have you considered that might also solve the issue?
What are the tradeoffs for these alternatives compared to what you're proposing?
Additional context
This could include references to documentation or papers, prior art, screenshots, or benchmark
results.
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