Provide a public experimental API and bazel compatible build target for OpenTelemetry metrics.
Details -
* New `OpenTelemetryPluginBuilder` class that provides the API specified in https://github.com/grpc/proposal/blob/master/A66-otel-stats.md
* The existing `grpc::internal::OpenTelemetryPluginBuilder` class is moved to `grpc::internal::OpenTelemetryPluginBuilderImpl` for disambiguation.
* Renamed `OTel` in some instances to `OpenTelemetry` for consistency.
Closes#35348
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/35348 from yashykt:OTelPublicApi e32328825e
PiperOrigin-RevId: 594271246
The c-core API was marked as deprecated, also mark the cpp api as deprecated
Closes#35128
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/35128 from gtcooke94:deprecate_cpp_crl_directory 56717d020c
PiperOrigin-RevId: 586057092
This adds the directory reloader implementation of the CrlProvider. This
will periodically reload CRL files in a directory per [gRFC
A69](https://github.com/grpc/proposal/pull/382)
Included in this is the following:
* A public API to create the `DirectoryReloaderCrlProvider`
* A basic directory interface in gprpp and platform specific impls for
getting the list of files in a directory (unfortunately prior C++17,
there is no std::filesystem, so we have to have platform specific impls)
* The implementation of `DirectoryReloaderCrlProvider` takes an
event_engine and a directory interface. This allows us to test using the
fuzzing event engine for time mocking, and to implement a test directory
interface so we avoid having to make temporary directories and files in
the tests. This is notably not in `include`, and the
`CreateDirectoryReloaderCrlProvider` is the only way to construct one
from the public API, so we don't expose the event engine and directory
details to the user.
---------
Co-authored-by: gtcooke94 <gtcooke94@users.noreply.github.com>
Currently it is very easy to use the `TlsCredentialsOptions` in such a
way that it produces a memory leak. For example, the code block
```
{
TlsCredentialsOptions options;
}
```
produces a memory leak. This PR fixes up the ownership bugs in this
class and its `grpc_tls_credentials_options`, the C-core analogue.
The basic APIs for the CRL Reloading features.
This adds external types to represent CRL Providers, CRLs, and
CertificateInfo.
Internally we will use `CrlImpl` - this layer is needed to hide OpenSSL
details from the user.
GRFC - https://github.com/grpc/proposal/pull/382
Things Done
* Add external API for `CrlProvider`, `Crl`, `CertInfo` (`CertInfo` is
used during CRL lookup rather than passing the entire certificate).
* Add code paths in `ssl_transport_security` to utilize CRL providers
* Add `StaticCrlProvider`
* Refactor `crl_ssl_transport_security_test.cc` so it is more extensible
and can be used with providers
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Indeed it seems that on Protobuf side, PROTOBUF_VERSION is defined in
port_def.inc which always comes with a matching include of
port_undef.inc which explicitly undef all macros, among them
PROTOBUF_VERSION. GOOGLE_PROTOBUF_VERSION doesn't suffer from this
issue.
This is a followup of #33646.
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There's an ongoing discussion on whether we should have API to disable
default metrics. Removing this API till we have a decision on that.
I'm keeping the internal API for enabling/disabling metrics on the OTel
plugin for now, just not exposing it publicly.
Changes -
* CsmObservability doesn't need `SetTargetSelector`. Removed it.
* Added missing plumbing of `ServiceMeshLabelsInjector` in
`CsmObservability` to actually do the metadata exchange.
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This reverts commit 2db446aa9a.
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I've added channel args to `CreateNewServerCallTracer` on the
`ServerCallTracerFactory`.
The motivation is for CSM Observability where the OTel plugin will be
configured to only do stats on servers which are xDS enabled, so I plan
to check this via channel args.
In the future, with the new scopes for metrics, I think I'll be able to
change this to only check once per server or server connection instead
of per call.
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The "override" is not added on purpose to remain compatible with
Protobuf < 22.x, as already written in the comment on top of these two
functions.
CC @veblush as the author of this code.
Note: I am personally not super enthousiastic about this change. As an
alternative, I can propose to selectively add the `override` keyword,
based on the value of the `PROTOBUF_VERSION` macro (comparing it to
`4022000`). Tell me if you prefer this version instead.
Towards https://github.com/grpc/grpc/issues/33032,
Reopen after botched force-push in #33175 that then got "merged" and
cannot be reopened anymore.
More context in that PR.
---------
Co-authored-by: Isuru Fernando <isuruf@gmail.com>
Co-authored-by: David Chamberlin <david.chamberlin@ln.email.gs.com>
This PR is mainly a set of improvements that allow the C++ Alarm to be
migrated away from legacy iomgr. It cannot be landed without significant
speedup, due to third-parties relying on a fast path for immediate timer
execution with deadlines <= now.
Previous EventEngine performance of bm_alarm, compared to baseline iomgr
timers: *0.014%*
This PR: *2.5%*
Regarding previous failures to land this change: The cloud libraries
team agreed to reduce the amount of stress in their alarm stress test
https://github.com/googleapis/google-cloud-cpp/pull/12378
Why: Cleanup for chttp2_transport ahead of promise conversion - lots of
logic has become interleaved throughout chttp2, so some effort to
isolate logic out is warranted ahead of that conversion.
What: Split configuration and policy tracking for each of ping rate
throttling and abuse detection into their own modules. Add tests for
them.
Incidentally: Split channel args into their own header so that we can
split the policy stuff into separate build targets.
---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
This PR implements a c-ares based DNS resolver for EventEngine with the
reference from the original
[grpc_ares_wrapper.h](../blob/master/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h).
The PosixEventEngine DNSResolver is implemented on top of that. Tests
which use the client channel resolver API
([resolver.h](../blob/master/src/core/lib/resolver/resolver.h#L54)) are
ported, namely the
[resolver_component_test.cc](../blob/master/test/cpp/naming/resolver_component_test.cc)
and the
[cancel_ares_query_test.cc](../blob/master/test/cpp/naming/cancel_ares_query_test.cc).
The WindowsEventEngine DNSResolver will use the same EventEngine's
grpc_ares_wrapper and will be worked on next.
The
[resolve_address_test.cc](https://github.com/grpc/grpc/blob/master/test/core/iomgr/resolve_address_test.cc)
which uses the iomgr
[DNSResolver](../blob/master/src/core/lib/iomgr/resolve_address.h#L44)
API has been ported to EventEngine's dns_test.cc. That leaves only 2
tests which use iomgr's API, notably the
[dns_resolver_cooldown_test.cc](../blob/master/test/core/client_channel/resolvers/dns_resolver_cooldown_test.cc)
and the
[goaway_server_test.cc](../blob/master/test/core/end2end/goaway_server_test.cc)
which probably need to be restructured to use EventEngine DNSResolver
(for one thing they override the original grpc_ares_wrapper's free
functions). I will try to tackle these in the next step.
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Based on the discussion at:
595a75cc5d..e3b402a8fa (r1244325752)
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Going forward `[[nodiscard]]` is the portable way to spell this;
requires yanking a bunch of usage from after the param list to before.
We should further refine the GRPC_MUST_USE_RESULT macro to make it work
uniformly for any compilers that it doesn't today (most likely by making
it expand to nothing).
---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
Yash Tibrewal
AJ Heller
Craig Tiller
Tanvi Jagtap
Luwei Ge
Vignesh Babu
Alisha Nanda
Gregory Cooke
gRPC Team Bot
Mark D. Roth
Matthew Stevenson
Eugene Ostroukhov
apolcyn
Yijie Ma
Romain Geissler @ Amadeus
Esun Kim
Richard Belleville
Roman-Byshliaha-Bose
nanahpang
h-vetinari