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Not adding CMake support yet
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The previous version (`3.12`) is 7 years old and does not support the
newest Python 3 versions. This causes issues to move certain test
targets (which depends on `pyyaml`) to Python 3 when some CI environment
(e.g. `arm64v8/debian:11`) does not have Python 2 installed. And in
general, we should move away from Python 2. Thus, updated `pyyaml` to
the latest version.
This hopefully should also fix the
`prod:grpc/core/master/linux/arm64/grpc_bazel_test_c_cpp` job breakage.
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Over the past 5 days, this experiment has not introduced any new flakes,
nor increased any flake rates. Let's enable it for debug builds. To
prevent issues over the weekend, I plan to merge it next week, July 31st
(with announcement).
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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Note that the plugin is still under `grpc::internal` namespace and not
under `experimental` intentionally.
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This was done manually due to a problem with
`tools/distrib/python/make_grpcio_tools.py`. ~I fixed it in this PR
(depends on cl/547979185), so there is a fair chance this upgrade will
work normally for the next release.~ The fix may be problematic for
upgrading protobuf on older release branches, so the improvement will be
worked on separately. CC @jtattermusch
This also updates the UPB dep to the latest commit on the 23.x branch.
The intuition here is that these strings may end up in the hpack table,
and then unnecessarily extend the lifetime of the read blocks.
Instead, take a copy of these short strings when we need to and allow
the incoming large memory object to be discarded.
---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
Add bazel dependency on opentelemetry-cpp.
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With some delay, this is a PR for
https://github.com/grpc/grpc/issues/32564 (and previously
https://github.com/grpc/grpc/pull/31791).
I looked into adding a regular `py_test` for this change [as
suggested](https://github.com/grpc/grpc/pull/31791#issuecomment-1423245116)
but I am not aware of any effect that the presence of a .pyi stub file
would have at runtime and where some sort of type-checking in a .py
script would be affected. Stub files are only for use by type checkers &
IDE's. I mean, something like this would work:
```
import helloworld_pb2
py_file = helloworld_pb2.__file__
pyi_file = py_file + 'i’
self.assertTrue(os.path.exists(pyi_file))
```
But that seems really hacky to me. Instead I created a simple rule test
for `py_proto_library` with Bazel Skylib which tests the declared
outputs for an example `py_proto_library` target. Indirectly, this also
tests that the declared output files are actually generated. Please let
me know if this is sufficient.
~Something about the additional load from #33374 has caused some
entirely unrelated ios tests to fail sporadically. I'd prefer not to
roll back that however as it's discovered real bugs that had been
previously masked.~
These tests have been failing sporadically for some time.
We can track these on the daily flakiness reports, but whilst we
investigate let's just universally mark them as flaky so we don't
confuse folks trying to submit.
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We just found out that our current Bazel setup does not support Python
3.11.
Thus PR updates some dependencies to allow using Bazel in Python 3.11.
Cython:
* Cython [backported Python 3.11 support change to
0.29x](https://github.com/cython/cython/issues/4500), but it appears
that the Cython version we are using in Bazel does not include the fix,
so we're using the latest stable version instead.
Gevent:
* The first version of gevent that supports [Python 3.11 is
22.08.0](https://github.com/gevent/gevent/issues/1903#issuecomment-1303227507).
#### Testing
* Tested locally using Python 3.11 virtual environment, was able to
reproduce the issue and verified that those changes were able to fix it.
This is a hack to get around an issue on Apple devices caused by the
PosixEventEngine's `poll` poller not supporting fork. This PR disables
the EventEngine poller entirely in Python builds. It will therefore
prevent the release of the EventEngine generally, and prevent any
testing of EventEngine integration with gRPC Python, until the `poll`
poller is fixed.
Change was created by the release automation script. See go/grpc-release
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---------
Co-authored-by: Yash Tibrewal <yashkt@google.com>
Co-authored-by: Esun Kim <veblush@google.com>
Co-authored-by: Mark D. Roth <roth@google.com>
Co-authored-by: Yousuk Seung <ysseung@google.com>
Co-authored-by: Craig Tiller <ctiller@google.com>
Co-authored-by: Richard Belleville <rbellevi@google.com>
Co-authored-by: gnossen <gnossen@users.noreply.github.com>
The PR does the following:
* Splits the single experiments.yaml file into two files:
experiments.yaml and rollouts.yaml.
* The experiments.yaml will now only include experiment definitions. The
default values of the experiments must now be specified in rollouts.yaml
* Removes the 'release' default value because it is not used.
* Adds an additional_constraints character string to ExperimentMetadata.
* Introduces a hook in src/core/lib/experiments/config.h to allow
registering arbitrary experiment constraint validation callbacks. These
callbacks would take an ExperimentMetadata object as input and return
the correct value to use for an experiment subject to additional
constraints.
We defaulted this on 5 months ago, and it seems to be working... let's
remove the experiment bit!
---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
I have not been able to reproduce the non-empty pool @ shutdown bug in
around 200k runs of various kinds. Now that experiments are marked flaky
by default, any similar failures should not block PR submission, and
this will give me good signal if the bugs reproduce more frequently in
the CI environment.
I have a fix in theory, but I don't think it should be necessary. If the
bug reproduces, I'll try the fix.
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---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
This reverts commit 1624542ea4, relanding
https://github.com/grpc/grpc/pull/32956
Because of some proto dependency and build problems internally, I've
removed the ServiceConfig proto fuzzing component. These build issues
can hopefully be resolved soon, and then we can re-add the deleted
implementation from commit
[b078c9c](b078c9c015)
in this PR.
#thistimeforsure
a863532c62 adds some debug to help track
which batches get leaked by a transport
3203e75ec5 makes connected_channel respect
the high level intent of cancellation better (and fixes the last reason
we needed to turn these tests off)
aaf5fa036b re-enables testing of c++ e2e
tests with server based promise calls
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This will change behavior for tests that have experiments enabled on
them to always have the flaky bit on.
In doing so, we'll get the usual failure reporting we do in the internal
chat bot, but allow PRs to pass even if an experiment isn't 100% passing
yet - reducing friction slightly for landing bigger experiments.
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