commit 5f89351081eff47a4ab8cd88e2e1a69a04f86541 Author: Oliver Gould <ver@buoyant.io> Date: Thu May 9 16:39:24 2019 -0700 Upgrade tower dependencies (#249) Tower must be updated in order to pickup tower-rs/tower#281 to address #2804. This adopts released crates where possible. commit 5d5eed6f8180b8db4090d995e71fdf7b0890c647 Author: Zahari Dichev <zaharidichev@gmail.com> Date: Thu May 9 01:08:34 2019 +0300 Assert that TLS connection is refused if identity is not certified yet (#243) This branch adds tls capability to the support cient used in tests. In addition to that it adds two tests verifying that a TLS connection is refused in case the identity is not certified yet. This attempts to fix ##2598 and provide facility to write tests for #2676. As these are still some of my first lines of Rust code, it is advised to approach everything with a healthy dose of doubt :) Signed-off-by: Zahari Dichev <zaharidichev@gmail.com> commit 1b9bb3745e44c959d1d41d14fed2b2822c82b5ba Author: Oliver Gould <ver@buoyant.io> Date: Wed May 8 14:28:37 2019 -0700 Introduce dispatch timeouts around buffers (#246) The proxy has several buffers, especially where it routes requests over shared stacks. If any of these routes is unavailable, then a request may remain buffered indefinitely. Previously, before service profiles were introduced, there was a default _response_ timeout that would cause these requests to fail; but since this response timeout is now optional (and is only applied once the request has been routed within a proxy), then we need a new mechanism to prevent requests from getting "stuck". This change does the following: - all proxied requests are annotated with a dispatch deadline; - each time a request is bufered, a timeout is registered. - if the timeout fires, the response exception fails, a 503 is returned, and the request is dropped. - if the request is processed into the inner stack, the timeout is ignored. The dispatch timeout limits the _time a request is buffered in a proxy_. This is distinct from the response timeout, as the server's response may naturally be delayed for any number of (non-proxy-related) reasons. The `insert_target` module has been generalized to `insert` to support setting the DispatchDeadline extension. The `buffer` module has been augmented with generic deadline-extraction logic. The `svc` module now exposes its own builder type that notably adds a `buffer_pending` helper. It's helpful to pull a builder type into the proxy to assist debugging type errors when modifying stacks. Fixes #2779 #2795 commit caf899557c3b041190f63544da865396231b3e30 Author: Oliver Gould <ver@buoyant.io> Date: Fri May 3 15:55:32 2019 -0700 router: Fail requests when the route is not ready (#241) In #2779, we plan to expire requests while they are buffered. However, the router _implicitly_ buffers requests in the executor when the inner service is not ready. This change alters the route to wrap all inner layers in a `LoadShed` so it can expect all services to `poll_ready()` immediately. commit 587bad101d9e5daeacb24b6733097c350a798356 Author: Eliza Weisman <eliza@buoyant.io> Date: Fri May 3 14:18:08 2019 -0700 Remove Destination service query concurrency limit (#244) Currently, the proxy enforces a limit on the number of concurrent queries (i.e., the number of gRPC streams) to the Destination service. This limit was added based on information about the behaviour of the Destination service that is now known to be incorrect. This branch removes the limit on concurrent queries from the proxy's `control::destination` module. Although it should now be possible to simplify this code as a result of this change, I've refrained from doing any major refactoring in this branch --- my intention is to do this after the DNS fallback behaviour has also been removed, as together with this change, that will result in a _significant_ simplification of the module. Additionally, I've removed the tests for the concurrency limit, as they are no longer relevant. The `LINKERD2_PROXY_DESTINATION_CLIENT_CONCURRENCY_LIMIT` environment variable was also removed; this is not a breaking change as neither the CLI nor the proxy injector will currently set this env var. Signed-off-by: Eliza Weisman <eliza@buoyant.io> commit cbdf45b44f7e4d852dc0497716062167ab9539fb Author: Sean McArthur <sean@buoyant.io> Date: Thu May 2 11:47:48 2019 -0700 Remove h2::Error requirement from metrics Signed-off-by: Sean McArthur <sean@buoyant.io> commit 3276949d4608dc4344b7bed3de2fc4b3080c2c6e Author: Sean McArthur <sean@buoyant.io> Date: Thu May 2 09:44:00 2019 -0700 delete unused proxy::http::metrics::class module Signed-off-by: Sean McArthur <sean@buoyant.io> Signed-off-by: Eliza Weisman <eliza@buoyant.io>

ServiceMesh page UI tweaks #244

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