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proxy: v2.131.0 (#5657) 

This release changes HTTP protocol detection to prevent timeout errors
in two ways:

1. HTTP detection no longer blocks until a newline is read. We've
   reverted to relying on a single read to make a determination.
2. Detection timeouts are no longer terminal. When a timeout is
   encountered, we continue forwarding the connection as an opaque TCP
   connection.

These changes may lead to false-negatives--we may fail to detect some
HTTP streams--but it should prevent many avoidable detection errors.

This release also makes improvements for multicluster gateways,
improving caching so that profile lookups are only performed
once per target service.

Diagnostic `stack_*` metrics have been moved so that they track
underlying services, ignoring fail-fast. This should help us get better
insights into services that are in failfast.

Finally, the opencensus exporter has been improved to ensure that trace
events are flushed if the trace buffer is not filled within a timeout.

---

* actions: Update actions to use full SHAs (linkerd/linkerd2-proxy#885)
* http: Parameterize normalize_ur::DefaultAuthority (linkerd/linkerd2-proxy#886)
* http: Parameterize the HTTP server (linkerd/linkerd2-proxy#887)
* opencensus: rewrite span exporter using async/await (linkerd/linkerd2-proxy#789)
* Update http::Insert to use `Param` (linkerd/linkerd2-proxy#889)
* Update crate dependencies (linkerd/linkerd2-proxy#892)
* stack: Make the router fallible (linkerd/linkerd2-proxy#888)
* Track stack metrics within failfast (linkerd/linkerd2-proxy#891)
* outbound: Avoid building balancers when no concrete name (linkerd/linkerd2-proxy#890)
* inbound: Cache HTTP gateways per destination (linkerd/linkerd2-proxy#893)
* Reorganize the gateway crate (linkerd/linkerd2-proxy#897)
* Bias HTTP detection towards availability (linkerd/linkerd2-proxy#894)
* inbound: Use ALPN to determine transport header (linkerd/linkerd2-proxy#895)
* detect: Return unknown protocol on detection timeout (linkerd/linkerd2-proxy#896)
* Extract protocol detection into the gateway crate (linkerd/linkerd2-proxy#898)
This commit is contained in:
Oliver Gould 2021-02-02 18:08:22 -08:00 committed by GitHub
parent df0ce24b12
commit 10411d02bb
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