All TraceFlags are now configured in `src/core/lib/debug/trace_flags.yaml`. The format is:
```
my_flag:
default: false # the default value; default=false
description: Some Description
debug_only: false # debug_only flags only work in debug builds; default=false
internal: false # internal flags will not show up in documentation; default=false
```
To regenerate the trace flag source code, run `tools/codegen/core/gen_trace_flags.py` (requires mako). This script is also run when sanity checking.
This PR also adds two new features:
### Glob-based flag configuration
Trace flag configuration now supports `?` (single wildcard character) and `*` (one or more wildcard characters). For example, using `GRPC_TRACE='event_engine*'` will enable all flags that match that glob. It expands to:
* event_engine
* event_engine_client_channel_resolver
* event_engine_dns
* event_engine_endpoint
* event_engine_endpoint_data
* event_engine_poller
### A cleaner trace-logging macro in abseil logging format
If your goal is only to add log statements when the `fault_injection_filter` trace flag is enabled, you can use the macro:
```
GRPC_TRACE_LOG(fault_injection, INFO) << "Filtered:" << 42;
```
When the trace flag is enabled, the the log will show something like this:
```
I0000 00:00:1715733657.430042 16 file.cc:174] Filtered:42
```
----
Note: just like with the gpr_log to abseil logging conversion, the pre-existing trace logging usages can be replaced with the new tracing macro across multiple PRs.
Closes#36576
PiperOrigin-RevId: 641295215
Also rename the class from `MetadataQuery` to `GcpMetadataQuery`.
Closes#36789
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36789 from markdroth:reorg_gcp_metadata_query d2b84f46be
PiperOrigin-RevId: 639256546
The following attributes were completely unused:
- kOffset
- kIndex
- kSize
- kFilename
- kKey
- kValue
The following attributes were added but never programmatically accessed, and I've moved them into the status messages themselves, which is another step toward #22883:
- kErrorNo
- kTsiCode
- kWsaError
- kHttpStatus
- kOsError
- kSyscall
- kTargetAddress
- kRawBytes
- kTsiError
Closes#36523
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36523 from markdroth:grpc_error_attribute_cleanup b289c399fe
PiperOrigin-RevId: 639147583
<!--
If you know who should review your pull request, please assign it to that
person, otherwise the pull request would get assigned randomly.
If your pull request is for a specific language, please add the appropriate
lang label.
-->
Closes#36509
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36509 from ctiller:transport-refs-3 2771a2b0e1
PiperOrigin-RevId: 633240374
Change was created by the release automation script. See go/grpc-release.
Closes#36544
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36544 from yashykt:bump_dev_version_202405061956 69ee5c869e
PiperOrigin-RevId: 631187829
[grpc][Gpr_To_Absl_Logging] Migrating from gpr to absl logging GPR_ASSERT
Replacing GPR_ASSERT with absl CHECK.
These changes have been made using string replacement and regex.
Will not be replacing all instances of CHECK with CHECK_EQ , CHECK_NE etc because there are too many callsites. Only ones which are doable using very simple regex with least chance of failure will be replaced.
Given that we have 5000+ instances of GPR_ASSERT to edit, Doing it manually is too much work for both the author and reviewer.
<!--
If you know who should review your pull request, please assign it to that
person, otherwise the pull request would get assigned randomly.
If your pull request is for a specific language, please add the appropriate
lang label.
-->
Closes#36468
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36468 from tanvi-jagtap:tjagtap_src_core_lib_gprpp f7ed931db1
PiperOrigin-RevId: 630978821
This should be able to unblock using grpc on vision os, will add tests later
Closes#36476
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36476 from HannahShiSFB:support-visionos edbde32d23
PiperOrigin-RevId: 630173448
[grpc][Gpr_To_Absl_Logging] Migrating from gpr to absl logging GPR_ASSERT
Replacing GPR_ASSERT with absl CHECK.
These changes have been made using string replacement and regex.
Will not be replacing all instances of CHECK with CHECK_EQ , CHECK_NE etc because there are too many callsites. Only ones which are doable using very simple regex with least chance of failure will be replaced.
Given that we have 5000+ instances of GPR_ASSERT to edit, Doing it manually is too much work for both the author and reviewer.
<!--
If you know who should review your pull request, please assign it to that
person, otherwise the pull request would get assigned randomly.
If your pull request is for a specific language, please add the appropriate
lang label.
-->
Closes#36467
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36467 from tanvi-jagtap:tjagtap_src_core_lib 30d3ff5bbb
PiperOrigin-RevId: 629995895
Also begin to eliminate `CallContext` in favor of just exposing `Call` - ultimately there's not really a need to introduce two types here, so I'm going to wind that idea back over a few PRs.
I've avoided making this an experiment as the changes required were quite structural.
Closes#36477
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36477 from ctiller:deadline-time 9856eeebe6
PiperOrigin-RevId: 629599230
[grpc][Gpr_To_Absl_Logging] Migrating from gpr to absl logging GPR_ASSERT
Replacing GPR_ASSERT with absl CHECK.
These changes have been made using string replacement and regex.
Will not be replacing all instances of CHECK with CHECK_EQ , CHECK_NE etc because there are too many callsites. Only ones which are doable using very simple regex with least chance of failure will be replaced.
Given that we have 5000+ instances of GPR_ASSERT to edit, Doing it manually is too much work for both the author and reviewer.
<!--
If you know who should review your pull request, please assign it to that
person, otherwise the pull request would get assigned randomly.
If your pull request is for a specific language, please add the appropriate
lang label.
-->
Closes#36452
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36452 from tanvi-jagtap:tjagtap_include_grpc 08e612fccd
PiperOrigin-RevId: 628318595
Introduce the interception chain type.
Also introduces the real call-v3 call spine based atop CallFilters.
Closes#36414
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36414 from ctiller:interception-chain 90c8e96973
PiperOrigin-RevId: 627784183
<!--
If you know who should review your pull request, please assign it to that
person, otherwise the pull request would get assigned randomly.
If your pull request is for a specific language, please add the appropriate
lang label.
-->
Closes#36333
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36333 from yijiem:bump_dev_version_202404101721 0a7cc5b4b7
PiperOrigin-RevId: 623878150
See #36176. The only difference is a temporary shim for Secure credentials types, which was already discussed and approved separately.
Closes#36242
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36242 from drfloob:reland/36176 f07bebe289
PiperOrigin-RevId: 621879911
This paves the way for removing `GetEndpoint()` from the transport API, which is a prereq for removing `grpc_endpoint_shutdown()`.
Closes#36237
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36237 from markdroth:endpoint_filter_cleanup_rbac 46a41400e0
PiperOrigin-RevId: 621537397
This was a concept that I thought we'd need, but as work has continued it's clear that the right api is CallDestination (or variants thereof)
Closes#36226
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36226 from ctiller:call_factory c30a893f3a
PiperOrigin-RevId: 621255162
Forked from #35957
This PR refactors the credentials types to remove Secure and Insecure Channel and Call credentials types. We standardize on a `c_creds()` accessor method for all credentials types, which can now be treated uniformly. This notably removes special-case handling of insecure credentials.
The special code-paths for insecure creds are no longer necessary in the wake of #25586.
Closes#36176
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36176 from drfloob:fork/35957/creds-API fd64d59c23
PiperOrigin-RevId: 621008166
It looks like we're settling on moving this functionality into the channel itself - so removing the filter makes sense (especially since it had some significant bugs)
Closes#36213
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36213 from ctiller:x-ex 3040dcec95
PiperOrigin-RevId: 620996358
Remove rolled out experiments v3_compression_filter, v3_server_auth_filter; Extend WIP v3_channel_idle_filter for a bit, and extend work_serializer_clears_time_cache until OSS issues with work_serializer_dispatch are resolved.
Closes#36166
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36166 from ctiller:updat3 2c7223f63b
PiperOrigin-RevId: 619057925
<!--
If you know who should review your pull request, please assign it to that
person, otherwise the pull request would get assigned randomly.
If your pull request is for a specific language, please add the appropriate
lang label.
-->
Closes#36070
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36070 from yijiem:grpc-metrics 72653727b1
PiperOrigin-RevId: 618529035
Xuan Wang