[VOL-5486] Fix deprecated versions
Change-Id: I3e03ea246020547ae75fa92ce8cf5cbba7e8f3bb
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/.travis.yml b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/.travis.yml
deleted file mode 100644
index fc198d8..0000000
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/.travis.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-sudo: false
-language: go
-go:
- - 1.13.x
- - 1.14.x
- - 1.15.x
-
-env:
- global:
- - GO111MODULE=on
-
-script:
- - make test
-
-after_success:
- - bash <(curl -s https://codecov.io/bash)
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/CHANGELOG.md b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/CHANGELOG.md
deleted file mode 100644
index 6eeb7e2..0000000
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/CHANGELOG.md
+++ /dev/null
@@ -1,51 +0,0 @@
-# Changelog
-All notable changes to this project will be documented in this file.
-
-The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
-and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
-
-Types of changes:
-- `Added` for new features.
-- `Changed` for changes in existing functionality.
-- `Deprecated` for soon-to-be removed features.
-- `Removed` for now removed features.
-- `Fixed` for any bug fixes.
-- `Security` in case of vulnerabilities.
-
-## [Unreleased]
-
-### Added
-
-- [#223](https://github.com/grpc-ecosystem/go-grpc-middleware/pull/223) Add go-kit logging middleware - [adrien-f](https://github.com/adrien-f)
-
-## [v1.1.0] - 2019-09-12
-### Added
-- [#226](https://github.com/grpc-ecosystem/go-grpc-middleware/pull/226) Support for go modules.
-- [#221](https://github.com/grpc-ecosystem/go-grpc-middleware/pull/221) logging/zap add support for gRPC LoggerV2 - [kush-patel-hs](https://github.com/kush-patel-hs)
-- [#181](https://github.com/grpc-ecosystem/go-grpc-middleware/pull/181) Rate Limit support - [ceshihao](https://github.com/ceshihao)
-- [#161](https://github.com/grpc-ecosystem/go-grpc-middleware/pull/161) Retry on server stream call - [lonnblad](https://github.com/lonnblad)
-- [#152](https://github.com/grpc-ecosystem/go-grpc-middleware/pull/152) Exponential backoff functions - [polyfloyd](https://github.com/polyfloyd)
-- [#147](https://github.com/grpc-ecosystem/go-grpc-middleware/pull/147) Jaeger support for ctxtags extraction - [vporoshok](https://github.com/vporoshok)
-- [#184](https://github.com/grpc-ecosystem/go-grpc-middleware/pull/184) ctxTags identifies if the call was sampled
-
-### Deprecated
-- [#201](https://github.com/grpc-ecosystem/go-grpc-middleware/pull/201) `golang.org/x/net/context` - [houz42](https://github.com/houz42)
-- [#183](https://github.com/grpc-ecosystem/go-grpc-middleware/pull/183) Documentation Generation in favour of <godoc.org>.
-
-### Fixed
-- [172](https://github.com/grpc-ecosystem/go-grpc-middleware/pull/172) Passing ctx into retry and recover - [johanbrandhorst](https://github.com/johanbrandhorst)
-- Numerious documentation fixes.
-
-## v1.0.0 - 2018-05-08
-### Added
-- grpc_auth
-- grpc_ctxtags
-- grpc_zap
-- grpc_logrus
-- grpc_opentracing
-- grpc_retry
-- grpc_validator
-- grpc_recovery
-
-[Unreleased]: https://github.com/grpc-ecosystem/go-grpc-middleware/compare/v1.1.0...HEAD
-[v1.1.0]: https://github.com/grpc-ecosystem/go-grpc-middleware/compare/v1.0.0...v1.1.0
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/README.md b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/README.md
index 814e155..a12b409 100644
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/README.md
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/README.md
@@ -7,16 +7,23 @@
[](https://codecov.io/gh/grpc-ecosystem/go-grpc-middleware)
[](LICENSE)
[](#status)
-[](https://slack.com/share/IRUQCFC23/9Tm7hxRFVKKNoajQfMOcUiIk/enQtODc4ODI4NTIyMDcxLWM5NDA0ZTE4Njg5YjRjYWZkMTI5MzQwNDY3YzBjMzE1YzdjOGM5ZjI1NDNiM2JmNzI2YjM5ODE5OTRiNTEyOWE)
+[](https://gophers.slack.com/archives/CNJL30P4P)
[gRPC Go](https://github.com/grpc/grpc-go) Middleware: interceptors, helpers, utilities.
+## ⚠️ Status
+
+Version [v2](https://github.com/grpc-ecosystem/go-grpc-middleware/tree/v2) is about to be released, with migration guide, which will replace v1. Try v2 and give us feedback!
+
+Version v1 is currently in deprecation mode, which means only critical and safety bug fixes will be merged.
+
+
## Middleware
[gRPC Go](https://github.com/grpc/grpc-go) recently acquired support for
-Interceptors, i.e. [middleware](https://medium.com/@matryer/writing-middleware-in-golang-and-how-go-makes-it-so-much-fun-4375c1246e81#.gv7tdlghs)
+Interceptors, i.e. [middleware](https://medium.com/@matryer/writing-middleware-in-golang-and-how-go-makes-it-so-much-fun-4375c1246e81#.gv7tdlghs)
that is executed either on the gRPC Server before the request is passed onto the user's application logic, or on the gRPC client around the user call. It is a perfect way to implement
-common patterns: auth, logging, message, validation, retries or monitoring.
+common patterns: auth, logging, message, validation, retries, or monitoring.
These are generic building blocks that make it easy to build multiple microservices easily.
The purpose of this repository is to act as a go-to point for such reusable functionality. It contains
@@ -29,57 +36,57 @@
myServer := grpc.NewServer(
grpc.StreamInterceptor(grpc_middleware.ChainStreamServer(
- grpc_recovery.StreamServerInterceptor(),
grpc_ctxtags.StreamServerInterceptor(),
grpc_opentracing.StreamServerInterceptor(),
grpc_prometheus.StreamServerInterceptor,
grpc_zap.StreamServerInterceptor(zapLogger),
grpc_auth.StreamServerInterceptor(myAuthFunction),
+ grpc_recovery.StreamServerInterceptor(),
)),
grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(
- grpc_recovery.UnaryServerInterceptor(),
grpc_ctxtags.UnaryServerInterceptor(),
grpc_opentracing.UnaryServerInterceptor(),
grpc_prometheus.UnaryServerInterceptor,
grpc_zap.UnaryServerInterceptor(zapLogger),
grpc_auth.UnaryServerInterceptor(myAuthFunction),
+ grpc_recovery.UnaryServerInterceptor(),
)),
)
```
## Interceptors
-*Please send a PR to add new interceptors or middleware to this list*
+_Please send a PR to add new interceptors or middleware to this list_
#### Auth
- * [`grpc_auth`](auth) - a customizable (via `AuthFunc`) piece of auth middleware
+
+- [`grpc_auth`](auth) - a customizable (via `AuthFunc`) piece of auth middleware
#### Logging
- * [`grpc_ctxtags`](tags/) - a library that adds a `Tag` map to context, with data populated from request body
- * [`grpc_zap`](logging/zap/) - integration of [zap](https://github.com/uber-go/zap) logging library into gRPC handlers.
- * [`grpc_logrus`](logging/logrus/) - integration of [logrus](https://github.com/sirupsen/logrus) logging library into gRPC handlers.
- * [`grpc_kit`](logging/kit/) - integration of [go-kit](https://github.com/go-kit/kit/tree/master/log) logging library into gRPC handlers.
- * [`grpc_grpc_logsettable`](logging/settable/) - a wrapper around `grpclog.LoggerV2` that allows to replace loggers in runtime (thread-safe).
+
+- [`grpc_ctxtags`](tags/) - a library that adds a `Tag` map to context, with data populated from request body
+- [`grpc_zap`](logging/zap/) - integration of [zap](https://github.com/uber-go/zap) logging library into gRPC handlers.
+- [`grpc_logrus`](logging/logrus/) - integration of [logrus](https://github.com/sirupsen/logrus) logging library into gRPC handlers.
+- [`grpc_kit`](logging/kit/) - integration of [go-kit/log](https://github.com/go-kit/log) logging library into gRPC handlers.
+- [`grpc_grpc_logsettable`](logging/settable/) - a wrapper around `grpclog.LoggerV2` that allows to replace loggers in runtime (thread-safe).
#### Monitoring
- * [`grpc_prometheus`⚡](https://github.com/grpc-ecosystem/go-grpc-prometheus) - Prometheus client-side and server-side monitoring middleware
- * [`otgrpc`⚡](https://github.com/grpc-ecosystem/grpc-opentracing/tree/master/go/otgrpc) - [OpenTracing](http://opentracing.io/) client-side and server-side interceptors
- * [`grpc_opentracing`](tracing/opentracing) - [OpenTracing](http://opentracing.io/) client-side and server-side interceptors with support for streaming and handler-returned tags
+
+- [`grpc_prometheus`⚡](https://github.com/grpc-ecosystem/go-grpc-prometheus) - Prometheus client-side and server-side monitoring middleware
+- [`otgrpc`⚡](https://github.com/grpc-ecosystem/grpc-opentracing/tree/master/go/otgrpc) - [OpenTracing](http://opentracing.io/) client-side and server-side interceptors
+- [`grpc_opentracing`](tracing/opentracing) - [OpenTracing](http://opentracing.io/) client-side and server-side interceptors with support for streaming and handler-returned tags
+- [`otelgrpc`](https://github.com/open-telemetry/opentelemetry-go-contrib/tree/main/instrumentation/google.golang.org/grpc/otelgrpc) - [OpenTelemetry](https://opentelemetry.io/) client-side and server-side interceptors
#### Client
- * [`grpc_retry`](retry/) - a generic gRPC response code retry mechanism, client-side middleware
+
+- [`grpc_retry`](retry/) - a generic gRPC response code retry mechanism, client-side middleware
#### Server
- * [`grpc_validator`](validator/) - codegen inbound message validation from `.proto` options
- * [`grpc_recovery`](recovery/) - turn panics into gRPC errors
- * [`ratelimit`](ratelimit/) - grpc rate limiting by your own limiter
+- [`grpc_validator`](validator/) - codegen inbound message validation from `.proto` options
+- [`grpc_recovery`](recovery/) - turn panics into gRPC errors
+- [`ratelimit`](ratelimit/) - grpc rate limiting by your own limiter
-## Status
-
-This code has been running in *production* since May 2016 as the basis of the gRPC micro services stack at [Improbable](https://improbable.io).
-
-Additional tooling will be added, and contributions are welcome.
## License
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/chain.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/chain.go
index ea3738b..407d933 100644
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/chain.go
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/chain.go
@@ -16,22 +16,41 @@
// Execution is done in left-to-right order, including passing of context.
// For example ChainUnaryServer(one, two, three) will execute one before two before three, and three
// will see context changes of one and two.
+//
+// While this can be useful in some scenarios, it is generally advisable to use google.golang.org/grpc.ChainUnaryInterceptor directly.
func ChainUnaryServer(interceptors ...grpc.UnaryServerInterceptor) grpc.UnaryServerInterceptor {
n := len(interceptors)
+ // Dummy interceptor maintained for backward compatibility to avoid returning nil.
+ if n == 0 {
+ return func(ctx context.Context, req interface{}, _ *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+ return handler(ctx, req)
+ }
+ }
+
+ // The degenerate case, just return the single wrapped interceptor directly.
+ if n == 1 {
+ return interceptors[0]
+ }
+
+ // Return a function which satisfies the interceptor interface, and which is
+ // a closure over the given list of interceptors to be chained.
return func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
- chainer := func(currentInter grpc.UnaryServerInterceptor, currentHandler grpc.UnaryHandler) grpc.UnaryHandler {
- return func(currentCtx context.Context, currentReq interface{}) (interface{}, error) {
- return currentInter(currentCtx, currentReq, info, currentHandler)
+ currHandler := handler
+ // Iterate backwards through all interceptors except the first (outermost).
+ // Wrap each one in a function which satisfies the handler interface, but
+ // is also a closure over the `info` and `handler` parameters. Then pass
+ // each pseudo-handler to the next outer interceptor as the handler to be called.
+ for i := n - 1; i > 0; i-- {
+ // Rebind to loop-local vars so they can be closed over.
+ innerHandler, i := currHandler, i
+ currHandler = func(currentCtx context.Context, currentReq interface{}) (interface{}, error) {
+ return interceptors[i](currentCtx, currentReq, info, innerHandler)
}
}
-
- chainedHandler := handler
- for i := n - 1; i >= 0; i-- {
- chainedHandler = chainer(interceptors[i], chainedHandler)
- }
-
- return chainedHandler(ctx, req)
+ // Finally return the result of calling the outermost interceptor with the
+ // outermost pseudo-handler created above as its handler.
+ return interceptors[0](ctx, req, info, currHandler)
}
}
@@ -40,22 +59,31 @@
// Execution is done in left-to-right order, including passing of context.
// For example ChainUnaryServer(one, two, three) will execute one before two before three.
// If you want to pass context between interceptors, use WrapServerStream.
+//
+// While this can be useful in some scenarios, it is generally advisable to use google.golang.org/grpc.ChainStreamInterceptor directly.
func ChainStreamServer(interceptors ...grpc.StreamServerInterceptor) grpc.StreamServerInterceptor {
n := len(interceptors)
- return func(srv interface{}, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
- chainer := func(currentInter grpc.StreamServerInterceptor, currentHandler grpc.StreamHandler) grpc.StreamHandler {
- return func(currentSrv interface{}, currentStream grpc.ServerStream) error {
- return currentInter(currentSrv, currentStream, info, currentHandler)
+ // Dummy interceptor maintained for backward compatibility to avoid returning nil.
+ if n == 0 {
+ return func(srv interface{}, stream grpc.ServerStream, _ *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
+ return handler(srv, stream)
+ }
+ }
+
+ if n == 1 {
+ return interceptors[0]
+ }
+
+ return func(srv interface{}, stream grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
+ currHandler := handler
+ for i := n - 1; i > 0; i-- {
+ innerHandler, i := currHandler, i
+ currHandler = func(currentSrv interface{}, currentStream grpc.ServerStream) error {
+ return interceptors[i](currentSrv, currentStream, info, innerHandler)
}
}
-
- chainedHandler := handler
- for i := n - 1; i >= 0; i-- {
- chainedHandler = chainer(interceptors[i], chainedHandler)
- }
-
- return chainedHandler(srv, ss)
+ return interceptors[0](srv, stream, info, currHandler)
}
}
@@ -66,19 +94,26 @@
func ChainUnaryClient(interceptors ...grpc.UnaryClientInterceptor) grpc.UnaryClientInterceptor {
n := len(interceptors)
+ // Dummy interceptor maintained for backward compatibility to avoid returning nil.
+ if n == 0 {
+ return func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
+ return invoker(ctx, method, req, reply, cc, opts...)
+ }
+ }
+
+ if n == 1 {
+ return interceptors[0]
+ }
+
return func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
- chainer := func(currentInter grpc.UnaryClientInterceptor, currentInvoker grpc.UnaryInvoker) grpc.UnaryInvoker {
- return func(currentCtx context.Context, currentMethod string, currentReq, currentRepl interface{}, currentConn *grpc.ClientConn, currentOpts ...grpc.CallOption) error {
- return currentInter(currentCtx, currentMethod, currentReq, currentRepl, currentConn, currentInvoker, currentOpts...)
+ currInvoker := invoker
+ for i := n - 1; i > 0; i-- {
+ innerInvoker, i := currInvoker, i
+ currInvoker = func(currentCtx context.Context, currentMethod string, currentReq, currentRepl interface{}, currentConn *grpc.ClientConn, currentOpts ...grpc.CallOption) error {
+ return interceptors[i](currentCtx, currentMethod, currentReq, currentRepl, currentConn, innerInvoker, currentOpts...)
}
}
-
- chainedInvoker := invoker
- for i := n - 1; i >= 0; i-- {
- chainedInvoker = chainer(interceptors[i], chainedInvoker)
- }
-
- return chainedInvoker(ctx, method, req, reply, cc, opts...)
+ return interceptors[0](ctx, method, req, reply, cc, currInvoker, opts...)
}
}
@@ -89,19 +124,26 @@
func ChainStreamClient(interceptors ...grpc.StreamClientInterceptor) grpc.StreamClientInterceptor {
n := len(interceptors)
+ // Dummy interceptor maintained for backward compatibility to avoid returning nil.
+ if n == 0 {
+ return func(ctx context.Context, desc *grpc.StreamDesc, cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) (grpc.ClientStream, error) {
+ return streamer(ctx, desc, cc, method, opts...)
+ }
+ }
+
+ if n == 1 {
+ return interceptors[0]
+ }
+
return func(ctx context.Context, desc *grpc.StreamDesc, cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) (grpc.ClientStream, error) {
- chainer := func(currentInter grpc.StreamClientInterceptor, currentStreamer grpc.Streamer) grpc.Streamer {
- return func(currentCtx context.Context, currentDesc *grpc.StreamDesc, currentConn *grpc.ClientConn, currentMethod string, currentOpts ...grpc.CallOption) (grpc.ClientStream, error) {
- return currentInter(currentCtx, currentDesc, currentConn, currentMethod, currentStreamer, currentOpts...)
+ currStreamer := streamer
+ for i := n - 1; i > 0; i-- {
+ innerStreamer, i := currStreamer, i
+ currStreamer = func(currentCtx context.Context, currentDesc *grpc.StreamDesc, currentConn *grpc.ClientConn, currentMethod string, currentOpts ...grpc.CallOption) (grpc.ClientStream, error) {
+ return interceptors[i](currentCtx, currentDesc, currentConn, currentMethod, innerStreamer, currentOpts...)
}
}
-
- chainedStreamer := streamer
- for i := n - 1; i >= 0; i-- {
- chainedStreamer = chainer(interceptors[i], chainedStreamer)
- }
-
- return chainedStreamer(ctx, desc, cc, method, opts...)
+ return interceptors[0](ctx, desc, cc, method, currStreamer, opts...)
}
}
@@ -109,12 +151,16 @@
//
// WithUnaryServerChain is a grpc.Server config option that accepts multiple unary interceptors.
// Basically syntactic sugar.
+//
+// Deprecated: use google.golang.org/grpc.ChainUnaryInterceptor instead.
func WithUnaryServerChain(interceptors ...grpc.UnaryServerInterceptor) grpc.ServerOption {
- return grpc.UnaryInterceptor(ChainUnaryServer(interceptors...))
+ return grpc.ChainUnaryInterceptor(interceptors...)
}
// WithStreamServerChain is a grpc.Server config option that accepts multiple stream interceptors.
// Basically syntactic sugar.
+//
+// Deprecated: use google.golang.org/grpc.ChainStreamInterceptor instead.
func WithStreamServerChain(interceptors ...grpc.StreamServerInterceptor) grpc.ServerOption {
- return grpc.StreamInterceptor(ChainStreamServer(interceptors...))
+ return grpc.ChainStreamInterceptor(interceptors...)
}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/LICENSE b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/LICENSE
new file mode 100644
index 0000000..b2b0650
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/LICENSE
@@ -0,0 +1,201 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
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+ pertain to any part of the Derivative Works, in at least one
+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
+ the brackets!) The text should be enclosed in the appropriate
+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
+ same "printed page" as the copyright notice for easier
+ identification within third-party archives.
+
+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
\ No newline at end of file
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/client_metrics.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/client_metrics.go
new file mode 100644
index 0000000..5c8ba20
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/client_metrics.go
@@ -0,0 +1,117 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+package prometheus
+
+import (
+ "github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors"
+ "github.com/prometheus/client_golang/prometheus"
+ "google.golang.org/grpc"
+)
+
+// ClientMetrics represents a collection of metrics to be registered on a
+// Prometheus metrics registry for a gRPC client.
+type ClientMetrics struct {
+ clientStartedCounter *prometheus.CounterVec
+ clientHandledCounter *prometheus.CounterVec
+ clientStreamMsgReceived *prometheus.CounterVec
+ clientStreamMsgSent *prometheus.CounterVec
+
+ // clientHandledHistogram can be nil
+ clientHandledHistogram *prometheus.HistogramVec
+ // clientStreamRecvHistogram can be nil
+ clientStreamRecvHistogram *prometheus.HistogramVec
+ // clientStreamSendHistogram can be nil
+ clientStreamSendHistogram *prometheus.HistogramVec
+}
+
+// NewClientMetrics returns a new ClientMetrics object.
+// NOTE: Remember to register ClientMetrics object using prometheus registry
+// e.g. prometheus.MustRegister(myClientMetrics).
+func NewClientMetrics(opts ...ClientMetricsOption) *ClientMetrics {
+ var config clientMetricsConfig
+ config.apply(opts)
+ return &ClientMetrics{
+ clientStartedCounter: prometheus.NewCounterVec(
+ config.counterOpts.apply(prometheus.CounterOpts{
+ Name: "grpc_client_started_total",
+ Help: "Total number of RPCs started on the client.",
+ }), []string{"grpc_type", "grpc_service", "grpc_method"}),
+
+ clientHandledCounter: prometheus.NewCounterVec(
+ config.counterOpts.apply(prometheus.CounterOpts{
+ Name: "grpc_client_handled_total",
+ Help: "Total number of RPCs completed by the client, regardless of success or failure.",
+ }), []string{"grpc_type", "grpc_service", "grpc_method", "grpc_code"}),
+
+ clientStreamMsgReceived: prometheus.NewCounterVec(
+ config.counterOpts.apply(prometheus.CounterOpts{
+ Name: "grpc_client_msg_received_total",
+ Help: "Total number of RPC stream messages received by the client.",
+ }), []string{"grpc_type", "grpc_service", "grpc_method"}),
+
+ clientStreamMsgSent: prometheus.NewCounterVec(
+ config.counterOpts.apply(prometheus.CounterOpts{
+ Name: "grpc_client_msg_sent_total",
+ Help: "Total number of gRPC stream messages sent by the client.",
+ }), []string{"grpc_type", "grpc_service", "grpc_method"}),
+
+ clientHandledHistogram: config.clientHandledHistogram,
+ clientStreamRecvHistogram: config.clientStreamRecvHistogram,
+ clientStreamSendHistogram: config.clientStreamSendHistogram,
+ }
+}
+
+// Describe sends the super-set of all possible descriptors of metrics
+// collected by this Collector to the provided channel and returns once
+// the last descriptor has been sent.
+func (m *ClientMetrics) Describe(ch chan<- *prometheus.Desc) {
+ m.clientStartedCounter.Describe(ch)
+ m.clientHandledCounter.Describe(ch)
+ m.clientStreamMsgReceived.Describe(ch)
+ m.clientStreamMsgSent.Describe(ch)
+ if m.clientHandledHistogram != nil {
+ m.clientHandledHistogram.Describe(ch)
+ }
+ if m.clientStreamRecvHistogram != nil {
+ m.clientStreamRecvHistogram.Describe(ch)
+ }
+ if m.clientStreamSendHistogram != nil {
+ m.clientStreamSendHistogram.Describe(ch)
+ }
+}
+
+// Collect is called by the Prometheus registry when collecting
+// metrics. The implementation sends each collected metric via the
+// provided channel and returns once the last metric has been sent.
+func (m *ClientMetrics) Collect(ch chan<- prometheus.Metric) {
+ m.clientStartedCounter.Collect(ch)
+ m.clientHandledCounter.Collect(ch)
+ m.clientStreamMsgReceived.Collect(ch)
+ m.clientStreamMsgSent.Collect(ch)
+ if m.clientHandledHistogram != nil {
+ m.clientHandledHistogram.Collect(ch)
+ }
+ if m.clientStreamRecvHistogram != nil {
+ m.clientStreamRecvHistogram.Collect(ch)
+ }
+ if m.clientStreamSendHistogram != nil {
+ m.clientStreamSendHistogram.Collect(ch)
+ }
+}
+
+// UnaryClientInterceptor is a gRPC client-side interceptor that provides Prometheus monitoring for Unary RPCs.
+func (m *ClientMetrics) UnaryClientInterceptor(opts ...Option) grpc.UnaryClientInterceptor {
+ return interceptors.UnaryClientInterceptor(&reportable{
+ opts: opts,
+ clientMetrics: m,
+ })
+}
+
+// StreamClientInterceptor is a gRPC client-side interceptor that provides Prometheus monitoring for Streaming RPCs.
+func (m *ClientMetrics) StreamClientInterceptor(opts ...Option) grpc.StreamClientInterceptor {
+ return interceptors.StreamClientInterceptor(&reportable{
+ opts: opts,
+ clientMetrics: m,
+ })
+}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/client_options.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/client_options.go
new file mode 100644
index 0000000..c267167
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/client_options.go
@@ -0,0 +1,77 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+package prometheus
+
+import (
+ "github.com/prometheus/client_golang/prometheus"
+)
+
+type clientMetricsConfig struct {
+ counterOpts counterOptions
+ // clientHandledHistogram can be nil.
+ clientHandledHistogram *prometheus.HistogramVec
+ // clientStreamRecvHistogram can be nil.
+ clientStreamRecvHistogram *prometheus.HistogramVec
+ // clientStreamSendHistogram can be nil.
+ clientStreamSendHistogram *prometheus.HistogramVec
+}
+
+type ClientMetricsOption func(*clientMetricsConfig)
+
+func (c *clientMetricsConfig) apply(opts []ClientMetricsOption) {
+ for _, o := range opts {
+ o(c)
+ }
+}
+
+func WithClientCounterOptions(opts ...CounterOption) ClientMetricsOption {
+ return func(o *clientMetricsConfig) {
+ o.counterOpts = opts
+ }
+}
+
+// WithClientHandlingTimeHistogram turns on recording of handling time of RPCs.
+// Histogram metrics can be very expensive for Prometheus to retain and query.
+func WithClientHandlingTimeHistogram(opts ...HistogramOption) ClientMetricsOption {
+ return func(o *clientMetricsConfig) {
+ o.clientHandledHistogram = prometheus.NewHistogramVec(
+ histogramOptions(opts).apply(prometheus.HistogramOpts{
+ Name: "grpc_client_handling_seconds",
+ Help: "Histogram of response latency (seconds) of the gRPC until it is finished by the application.",
+ Buckets: prometheus.DefBuckets,
+ }),
+ []string{"grpc_type", "grpc_service", "grpc_method"},
+ )
+ }
+}
+
+// WithClientStreamRecvHistogram turns on recording of single message receive time of streaming RPCs.
+// Histogram metrics can be very expensive for Prometheus to retain and query.
+func WithClientStreamRecvHistogram(opts ...HistogramOption) ClientMetricsOption {
+ return func(o *clientMetricsConfig) {
+ o.clientStreamRecvHistogram = prometheus.NewHistogramVec(
+ histogramOptions(opts).apply(prometheus.HistogramOpts{
+ Name: "grpc_client_msg_recv_handling_seconds",
+ Help: "Histogram of response latency (seconds) of the gRPC single message receive.",
+ Buckets: prometheus.DefBuckets,
+ }),
+ []string{"grpc_type", "grpc_service", "grpc_method"},
+ )
+ }
+}
+
+// WithClientStreamSendHistogram turns on recording of single message send time of streaming RPCs.
+// Histogram metrics can be very expensive for Prometheus to retain and query.
+func WithClientStreamSendHistogram(opts ...HistogramOption) ClientMetricsOption {
+ return func(o *clientMetricsConfig) {
+ o.clientStreamSendHistogram = prometheus.NewHistogramVec(
+ histogramOptions(opts).apply(prometheus.HistogramOpts{
+ Name: "grpc_client_msg_send_handling_seconds",
+ Help: "Histogram of response latency (seconds) of the gRPC single message send.",
+ Buckets: prometheus.DefBuckets,
+ }),
+ []string{"grpc_type", "grpc_service", "grpc_method"},
+ )
+ }
+}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/constants.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/constants.go
new file mode 100644
index 0000000..5c36923
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/constants.go
@@ -0,0 +1,23 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+package prometheus
+
+type grpcType string
+
+// grpcType describes all types of grpc connection.
+const (
+ Unary grpcType = "unary"
+ ClientStream grpcType = "client_stream"
+ ServerStream grpcType = "server_stream"
+ BidiStream grpcType = "bidi_stream"
+)
+
+// Kind describes whether interceptor is a client or server type.
+type Kind string
+
+// Enum for Client and Server Kind.
+const (
+ KindClient Kind = "client"
+ KindServer Kind = "server"
+)
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/doc.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/doc.go
new file mode 100644
index 0000000..b62f17e
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/doc.go
@@ -0,0 +1,8 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+/*
+Package prometheus provides a standalone interceptor for metrics. It's next iteration of deprecated https://github.com/grpc-ecosystem/go-grpc-prometheus.
+See https://github.com/grpc-ecosystem/go-grpc-middleware/tree/main/examples for example.
+*/
+package prometheus
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/options.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/options.go
new file mode 100644
index 0000000..bdd171e
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/options.go
@@ -0,0 +1,129 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+package prometheus
+
+import (
+ "github.com/prometheus/client_golang/prometheus"
+ "google.golang.org/grpc"
+ "google.golang.org/grpc/status"
+)
+
+// FromError returns a grpc status. If the error code is neither a valid grpc status nor a context error, codes.Unknown
+// will be set.
+func FromError(err error) *status.Status {
+ s, ok := status.FromError(err)
+ // Mirror what the grpc server itself does, i.e. also convert context errors to status
+ if !ok {
+ s = status.FromContextError(err)
+ }
+ return s
+}
+
+// A CounterOption lets you add options to Counter metrics using With* funcs.
+type CounterOption func(*prometheus.CounterOpts)
+
+type counterOptions []CounterOption
+
+func (co counterOptions) apply(o prometheus.CounterOpts) prometheus.CounterOpts {
+ for _, f := range co {
+ f(&o)
+ }
+ return o
+}
+
+// WithConstLabels allows you to add ConstLabels to Counter metrics.
+func WithConstLabels(labels prometheus.Labels) CounterOption {
+ return func(o *prometheus.CounterOpts) {
+ o.ConstLabels = labels
+ }
+}
+
+// WithSubsystem allows you to add a Subsystem to Counter metrics.
+func WithSubsystem(subsystem string) CounterOption {
+ return func(o *prometheus.CounterOpts) {
+ o.Subsystem = subsystem
+ }
+}
+
+// A HistogramOption lets you add options to Histogram metrics using With*
+// funcs.
+type HistogramOption func(*prometheus.HistogramOpts)
+
+type histogramOptions []HistogramOption
+
+func (ho histogramOptions) apply(o prometheus.HistogramOpts) prometheus.HistogramOpts {
+ for _, f := range ho {
+ f(&o)
+ }
+ return o
+}
+
+// WithHistogramBuckets allows you to specify custom bucket ranges for histograms if EnableHandlingTimeHistogram is on.
+func WithHistogramBuckets(buckets []float64) HistogramOption {
+ return func(o *prometheus.HistogramOpts) { o.Buckets = buckets }
+}
+
+// WithHistogramOpts allows you to specify HistogramOpts but makes sure the correct name and label is used.
+// This function is helpful when specifying more than just the buckets, like using NativeHistograms.
+func WithHistogramOpts(opts *prometheus.HistogramOpts) HistogramOption {
+ // TODO: This isn't ideal either if new fields are added to prometheus.HistogramOpts.
+ // Maybe we can change the interface to accept abitrary HistogramOpts and
+ // only make sure to overwrite the necessary fields (name, labels).
+ return func(o *prometheus.HistogramOpts) {
+ o.Buckets = opts.Buckets
+ o.NativeHistogramBucketFactor = opts.NativeHistogramBucketFactor
+ o.NativeHistogramZeroThreshold = opts.NativeHistogramZeroThreshold
+ o.NativeHistogramMaxBucketNumber = opts.NativeHistogramMaxBucketNumber
+ o.NativeHistogramMinResetDuration = opts.NativeHistogramMinResetDuration
+ o.NativeHistogramMaxZeroThreshold = opts.NativeHistogramMaxZeroThreshold
+ }
+}
+
+// WithHistogramConstLabels allows you to add custom ConstLabels to
+// histograms metrics.
+func WithHistogramConstLabels(labels prometheus.Labels) HistogramOption {
+ return func(o *prometheus.HistogramOpts) {
+ o.ConstLabels = labels
+ }
+}
+
+// WithHistogramSubsystem allows you to add a Subsystem to histograms metrics.
+func WithHistogramSubsystem(subsystem string) HistogramOption {
+ return func(o *prometheus.HistogramOpts) {
+ o.Subsystem = subsystem
+ }
+}
+
+func typeFromMethodInfo(mInfo *grpc.MethodInfo) grpcType {
+ if !mInfo.IsClientStream && !mInfo.IsServerStream {
+ return Unary
+ }
+ if mInfo.IsClientStream && !mInfo.IsServerStream {
+ return ClientStream
+ }
+ if !mInfo.IsClientStream && mInfo.IsServerStream {
+ return ServerStream
+ }
+ return BidiStream
+}
+
+// An Option lets you add options to prometheus interceptors using With* funcs.
+type Option func(*config)
+
+type config struct {
+ exemplarFn exemplarFromCtxFn
+}
+
+func (c *config) apply(opts []Option) {
+ for _, o := range opts {
+ o(c)
+ }
+}
+
+// WithExemplarFromContext sets function that will be used to deduce exemplar for all counter and histogram metrics.
+func WithExemplarFromContext(exemplarFn exemplarFromCtxFn) Option {
+ return func(o *config) {
+ o.exemplarFn = exemplarFn
+ }
+}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/reporter.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/reporter.go
new file mode 100644
index 0000000..96c49ad
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/reporter.go
@@ -0,0 +1,113 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+package prometheus
+
+import (
+ "context"
+ "time"
+
+ "github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors"
+ "github.com/prometheus/client_golang/prometheus"
+)
+
+type reporter struct {
+ clientMetrics *ClientMetrics
+ serverMetrics *ServerMetrics
+ typ interceptors.GRPCType
+ service, method string
+ kind Kind
+ exemplar prometheus.Labels
+}
+
+func (r *reporter) PostCall(err error, rpcDuration time.Duration) {
+ // get status code from error
+ status := FromError(err)
+ code := status.Code()
+
+ // perform handling of metrics from code
+ switch r.kind {
+ case KindServer:
+ r.incrementWithExemplar(r.serverMetrics.serverHandledCounter, string(r.typ), r.service, r.method, code.String())
+ if r.serverMetrics.serverHandledHistogram != nil {
+ r.observeWithExemplar(r.serverMetrics.serverHandledHistogram, rpcDuration.Seconds(), string(r.typ), r.service, r.method)
+ }
+
+ case KindClient:
+ r.incrementWithExemplar(r.clientMetrics.clientHandledCounter, string(r.typ), r.service, r.method, code.String())
+ if r.clientMetrics.clientHandledHistogram != nil {
+ r.observeWithExemplar(r.clientMetrics.clientHandledHistogram, rpcDuration.Seconds(), string(r.typ), r.service, r.method)
+ }
+ }
+}
+
+func (r *reporter) PostMsgSend(_ any, _ error, sendDuration time.Duration) {
+ switch r.kind {
+ case KindServer:
+ r.incrementWithExemplar(r.serverMetrics.serverStreamMsgSent, string(r.typ), r.service, r.method)
+ case KindClient:
+ r.incrementWithExemplar(r.clientMetrics.clientStreamMsgSent, string(r.typ), r.service, r.method)
+ if r.clientMetrics.clientStreamSendHistogram != nil {
+ r.observeWithExemplar(r.clientMetrics.clientStreamSendHistogram, sendDuration.Seconds(), string(r.typ), r.service, r.method)
+ }
+ }
+}
+
+func (r *reporter) PostMsgReceive(_ any, _ error, recvDuration time.Duration) {
+ switch r.kind {
+ case KindServer:
+ r.incrementWithExemplar(r.serverMetrics.serverStreamMsgReceived, string(r.typ), r.service, r.method)
+ case KindClient:
+ r.incrementWithExemplar(r.clientMetrics.clientStreamMsgReceived, string(r.typ), r.service, r.method)
+ if r.clientMetrics.clientStreamRecvHistogram != nil {
+ r.observeWithExemplar(r.clientMetrics.clientStreamRecvHistogram, recvDuration.Seconds(), string(r.typ), r.service, r.method)
+ }
+ }
+}
+
+type reportable struct {
+ clientMetrics *ClientMetrics
+ serverMetrics *ServerMetrics
+
+ opts []Option
+}
+
+func (rep *reportable) ServerReporter(ctx context.Context, meta interceptors.CallMeta) (interceptors.Reporter, context.Context) {
+ return rep.reporter(ctx, rep.serverMetrics, nil, meta, KindServer)
+}
+
+func (rep *reportable) ClientReporter(ctx context.Context, meta interceptors.CallMeta) (interceptors.Reporter, context.Context) {
+ return rep.reporter(ctx, nil, rep.clientMetrics, meta, KindClient)
+}
+
+func (rep *reportable) reporter(ctx context.Context, sm *ServerMetrics, cm *ClientMetrics, meta interceptors.CallMeta, kind Kind) (interceptors.Reporter, context.Context) {
+ var c config
+ c.apply(rep.opts)
+ r := &reporter{
+ clientMetrics: cm,
+ serverMetrics: sm,
+ typ: meta.Typ,
+ service: meta.Service,
+ method: meta.Method,
+ kind: kind,
+ }
+ if c.exemplarFn != nil {
+ r.exemplar = c.exemplarFn(ctx)
+ }
+
+ switch kind {
+ case KindClient:
+ r.incrementWithExemplar(r.clientMetrics.clientStartedCounter, string(r.typ), r.service, r.method)
+ case KindServer:
+ r.incrementWithExemplar(r.serverMetrics.serverStartedCounter, string(r.typ), r.service, r.method)
+ }
+ return r, ctx
+}
+
+func (r *reporter) incrementWithExemplar(c *prometheus.CounterVec, lvals ...string) {
+ c.WithLabelValues(lvals...).(prometheus.ExemplarAdder).AddWithExemplar(1, r.exemplar)
+}
+
+func (r *reporter) observeWithExemplar(h *prometheus.HistogramVec, value float64, lvals ...string) {
+ h.WithLabelValues(lvals...).(prometheus.ExemplarObserver).ObserveWithExemplar(value, r.exemplar)
+}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/server_metrics.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/server_metrics.go
new file mode 100644
index 0000000..def21e5
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/server_metrics.go
@@ -0,0 +1,124 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+package prometheus
+
+import (
+ "github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors"
+ "github.com/prometheus/client_golang/prometheus"
+ "google.golang.org/grpc"
+ "google.golang.org/grpc/reflection"
+)
+
+// ServerMetrics represents a collection of metrics to be registered on a
+// Prometheus metrics registry for a gRPC server.
+type ServerMetrics struct {
+ serverStartedCounter *prometheus.CounterVec
+ serverHandledCounter *prometheus.CounterVec
+ serverStreamMsgReceived *prometheus.CounterVec
+ serverStreamMsgSent *prometheus.CounterVec
+ // serverHandledHistogram can be nil.
+ serverHandledHistogram *prometheus.HistogramVec
+}
+
+// NewServerMetrics returns a new ServerMetrics object that has server interceptor methods.
+// NOTE: Remember to register ServerMetrics object by using prometheus registry
+// e.g. prometheus.MustRegister(myServerMetrics).
+func NewServerMetrics(opts ...ServerMetricsOption) *ServerMetrics {
+ var config serverMetricsConfig
+ config.apply(opts)
+ return &ServerMetrics{
+ serverStartedCounter: prometheus.NewCounterVec(
+ config.counterOpts.apply(prometheus.CounterOpts{
+ Name: "grpc_server_started_total",
+ Help: "Total number of RPCs started on the server.",
+ }), []string{"grpc_type", "grpc_service", "grpc_method"}),
+ serverHandledCounter: prometheus.NewCounterVec(
+ config.counterOpts.apply(prometheus.CounterOpts{
+ Name: "grpc_server_handled_total",
+ Help: "Total number of RPCs completed on the server, regardless of success or failure.",
+ }), []string{"grpc_type", "grpc_service", "grpc_method", "grpc_code"}),
+ serverStreamMsgReceived: prometheus.NewCounterVec(
+ config.counterOpts.apply(prometheus.CounterOpts{
+ Name: "grpc_server_msg_received_total",
+ Help: "Total number of RPC stream messages received on the server.",
+ }), []string{"grpc_type", "grpc_service", "grpc_method"}),
+ serverStreamMsgSent: prometheus.NewCounterVec(
+ config.counterOpts.apply(prometheus.CounterOpts{
+ Name: "grpc_server_msg_sent_total",
+ Help: "Total number of gRPC stream messages sent by the server.",
+ }), []string{"grpc_type", "grpc_service", "grpc_method"}),
+ serverHandledHistogram: config.serverHandledHistogram,
+ }
+}
+
+// Describe sends the super-set of all possible descriptors of metrics
+// collected by this Collector to the provided channel and returns once
+// the last descriptor has been sent.
+func (m *ServerMetrics) Describe(ch chan<- *prometheus.Desc) {
+ m.serverStartedCounter.Describe(ch)
+ m.serverHandledCounter.Describe(ch)
+ m.serverStreamMsgReceived.Describe(ch)
+ m.serverStreamMsgSent.Describe(ch)
+ if m.serverHandledHistogram != nil {
+ m.serverHandledHistogram.Describe(ch)
+ }
+}
+
+// Collect is called by the Prometheus registry when collecting
+// metrics. The implementation sends each collected metric via the
+// provided channel and returns once the last metric has been sent.
+func (m *ServerMetrics) Collect(ch chan<- prometheus.Metric) {
+ m.serverStartedCounter.Collect(ch)
+ m.serverHandledCounter.Collect(ch)
+ m.serverStreamMsgReceived.Collect(ch)
+ m.serverStreamMsgSent.Collect(ch)
+ if m.serverHandledHistogram != nil {
+ m.serverHandledHistogram.Collect(ch)
+ }
+}
+
+// InitializeMetrics initializes all metrics, with their appropriate null
+// value, for all gRPC methods registered on a gRPC server. This is useful, to
+// ensure that all metrics exist when collecting and querying.
+// NOTE: This might add significant cardinality and might not be needed in future version of Prometheus (created timestamp).
+func (m *ServerMetrics) InitializeMetrics(server reflection.ServiceInfoProvider) {
+ serviceInfo := server.GetServiceInfo()
+ for serviceName, info := range serviceInfo {
+ for _, mInfo := range info.Methods {
+ m.preRegisterMethod(serviceName, &mInfo)
+ }
+ }
+}
+
+// preRegisterMethod is invoked on Register of a Server, allowing all gRPC services labels to be pre-populated.
+func (m *ServerMetrics) preRegisterMethod(serviceName string, mInfo *grpc.MethodInfo) {
+ methodName := mInfo.Name
+ methodType := string(typeFromMethodInfo(mInfo))
+ // These are just references (no increments), as just referencing will create the labels but not set values.
+ _, _ = m.serverStartedCounter.GetMetricWithLabelValues(methodType, serviceName, methodName)
+ _, _ = m.serverStreamMsgReceived.GetMetricWithLabelValues(methodType, serviceName, methodName)
+ _, _ = m.serverStreamMsgSent.GetMetricWithLabelValues(methodType, serviceName, methodName)
+ if m.serverHandledHistogram != nil {
+ _, _ = m.serverHandledHistogram.GetMetricWithLabelValues(methodType, serviceName, methodName)
+ }
+ for _, code := range interceptors.AllCodes {
+ _, _ = m.serverHandledCounter.GetMetricWithLabelValues(methodType, serviceName, methodName, code.String())
+ }
+}
+
+// UnaryServerInterceptor is a gRPC server-side interceptor that provides Prometheus monitoring for Unary RPCs.
+func (m *ServerMetrics) UnaryServerInterceptor(opts ...Option) grpc.UnaryServerInterceptor {
+ return interceptors.UnaryServerInterceptor(&reportable{
+ opts: opts,
+ serverMetrics: m,
+ })
+}
+
+// StreamServerInterceptor is a gRPC server-side interceptor that provides Prometheus monitoring for Streaming RPCs.
+func (m *ServerMetrics) StreamServerInterceptor(opts ...Option) grpc.StreamServerInterceptor {
+ return interceptors.StreamServerInterceptor(&reportable{
+ opts: opts,
+ serverMetrics: m,
+ })
+}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/server_options.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/server_options.go
new file mode 100644
index 0000000..39d4220
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus/server_options.go
@@ -0,0 +1,48 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+package prometheus
+
+import (
+ "context"
+
+ "github.com/prometheus/client_golang/prometheus"
+)
+
+type exemplarFromCtxFn func(ctx context.Context) prometheus.Labels
+
+type serverMetricsConfig struct {
+ counterOpts counterOptions
+ // serverHandledHistogram can be nil.
+ serverHandledHistogram *prometheus.HistogramVec
+}
+
+type ServerMetricsOption func(*serverMetricsConfig)
+
+func (c *serverMetricsConfig) apply(opts []ServerMetricsOption) {
+ for _, o := range opts {
+ o(c)
+ }
+}
+
+// WithServerCounterOptions sets counter options.
+func WithServerCounterOptions(opts ...CounterOption) ServerMetricsOption {
+ return func(o *serverMetricsConfig) {
+ o.counterOpts = opts
+ }
+}
+
+// WithServerHandlingTimeHistogram turns on recording of handling time of RPCs.
+// Histogram metrics can be very expensive for Prometheus to retain and query.
+func WithServerHandlingTimeHistogram(opts ...HistogramOption) ServerMetricsOption {
+ return func(o *serverMetricsConfig) {
+ o.serverHandledHistogram = prometheus.NewHistogramVec(
+ histogramOptions(opts).apply(prometheus.HistogramOpts{
+ Name: "grpc_server_handling_seconds",
+ Help: "Histogram of response latency (seconds) of gRPC that had been application-level handled by the server.",
+ Buckets: prometheus.DefBuckets,
+ }),
+ []string{"grpc_type", "grpc_service", "grpc_method"},
+ )
+ }
+}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/retry/doc.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/retry/doc.go
index afd924a..f8ba719 100644
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/retry/doc.go
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/retry/doc.go
@@ -18,7 +18,7 @@
linear backoff with 10% jitter.
For chained interceptors, the retry interceptor will call every interceptor that follows it
-whenever when a retry happens.
+whenever a retry happens.
Please see examples for more advanced use.
*/
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/retry/retry.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/retry/retry.go
index 62d8312..003bbd9 100644
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/retry/retry.go
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/retry/retry.go
@@ -5,8 +5,8 @@
import (
"context"
- "fmt"
"io"
+ "strconv"
"sync"
"time"
@@ -136,7 +136,6 @@
type serverStreamingRetryingStream struct {
grpc.ClientStream
bufferedSends []interface{} // single message that the client can sen
- receivedGood bool // indicates whether any prior receives were successful
wasClosedSend bool // indicates that CloseSend was closed
parentCtx context.Context
callOpts *options
@@ -209,17 +208,8 @@
}
func (s *serverStreamingRetryingStream) receiveMsgAndIndicateRetry(m interface{}) (bool, error) {
- s.mu.RLock()
- wasGood := s.receivedGood
- s.mu.RUnlock()
err := s.getStream().RecvMsg(m)
if err == nil || err == io.EOF {
- s.mu.Lock()
- s.receivedGood = true
- s.mu.Unlock()
- return false, err
- } else if wasGood {
- // previous RecvMsg in the stream succeeded, no retry logic should interfere
return false, err
}
if isContextError(err) {
@@ -303,7 +293,7 @@
ctx, _ = context.WithTimeout(ctx, callOpts.perCallTimeout)
}
if attempt > 0 && callOpts.includeHeader {
- mdClone := metautils.ExtractOutgoing(ctx).Clone().Set(AttemptMetadataKey, fmt.Sprintf("%d", attempt))
+ mdClone := metautils.ExtractOutgoing(ctx).Clone().Set(AttemptMetadataKey, strconv.FormatUint(uint64(attempt), 10))
ctx = mdClone.ToOutgoing(ctx)
}
return ctx
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/util/metautils/nicemd.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/util/metautils/nicemd.go
index 1c60585..15225d7 100644
--- a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/util/metautils/nicemd.go
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/util/metautils/nicemd.go
@@ -10,7 +10,7 @@
"google.golang.org/grpc/metadata"
)
-// NiceMD is a convenience wrapper definiting extra functions on the metadata.
+// NiceMD is a convenience wrapper defining extra functions on the metadata.
type NiceMD metadata.MD
// ExtractIncoming extracts an inbound metadata from the server-side context.
@@ -39,7 +39,7 @@
// Clone performs a *deep* copy of the metadata.MD.
//
-// You can specify the lower-case copiedKeys to only copy certain whitelisted keys. If no keys are explicitly whitelisted
+// You can specify the lower-case copiedKeys to only copy certain allow-listed keys. If no keys are explicitly allow-listed
// all keys get copied.
func (m NiceMD) Clone(copiedKeys ...string) NiceMD {
newMd := NiceMD(metadata.Pairs())
@@ -61,7 +61,7 @@
newMd[k] = make([]string, len(vv))
copy(newMd[k], vv)
}
- return NiceMD(newMd)
+ return newMd
}
// ToOutgoing sets the given NiceMD as a client-side context for dispatching.
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/COPYRIGHT b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/COPYRIGHT
new file mode 100644
index 0000000..3b13627
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/COPYRIGHT
@@ -0,0 +1,2 @@
+Copyright (c) The go-grpc-middleware Authors.
+Licensed under the Apache License 2.0.
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/LICENSE b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/LICENSE
new file mode 100644
index 0000000..b2b0650
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/LICENSE
@@ -0,0 +1,201 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
+ control with that entity. For the purposes of this definition,
+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
+
+ "Source" form shall mean the preferred form for making modifications,
+ including but not limited to software source code, documentation
+ source, and configuration files.
+
+ "Object" form shall mean any form resulting from mechanical
+ transformation or translation of a Source form, including but
+ not limited to compiled object code, generated documentation,
+ and conversions to other media types.
+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
+ the copyright owner. For the purposes of this definition, "submitted"
+ means any form of electronic, verbal, or written communication sent
+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
+ publicly display, publicly perform, sublicense, and distribute the
+ Work and such Derivative Works in Source or Object form.
+
+ 3. Grant of Patent License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
+ where such license applies only to those patent claims licensable
+ by such Contributor that are necessarily infringed by their
+ Contribution(s) alone or by combination of their Contribution(s)
+ with the Work to which such Contribution(s) was submitted. If You
+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
+ include a readable copy of the attribution notices contained
+ within such NOTICE file, excluding those notices that do not
+ pertain to any part of the Derivative Works, in at least one
+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
+ the brackets!) The text should be enclosed in the appropriate
+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
+ same "printed page" as the copyright notice for easier
+ identification within third-party archives.
+
+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
\ No newline at end of file
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/callmeta.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/callmeta.go
new file mode 100644
index 0000000..16a1828
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/callmeta.go
@@ -0,0 +1,66 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+package interceptors
+
+import (
+ "fmt"
+ "strings"
+
+ "google.golang.org/grpc"
+)
+
+func splitFullMethodName(fullMethod string) (string, string) {
+ fullMethod = strings.TrimPrefix(fullMethod, "/") // remove leading slash
+ if i := strings.Index(fullMethod, "/"); i >= 0 {
+ return fullMethod[:i], fullMethod[i+1:]
+ }
+ return "unknown", "unknown"
+}
+
+type CallMeta struct {
+ ReqOrNil any
+ Typ GRPCType
+ Service string
+ Method string
+ IsClient bool
+}
+
+func NewClientCallMeta(fullMethod string, streamDesc *grpc.StreamDesc, reqOrNil any) CallMeta {
+ c := CallMeta{IsClient: true, ReqOrNil: reqOrNil, Typ: Unary}
+ if streamDesc != nil {
+ c.Typ = clientStreamType(streamDesc)
+ }
+ c.Service, c.Method = splitFullMethodName(fullMethod)
+ return c
+}
+
+func NewServerCallMeta(fullMethod string, streamInfo *grpc.StreamServerInfo, reqOrNil any) CallMeta {
+ c := CallMeta{IsClient: false, ReqOrNil: reqOrNil, Typ: Unary}
+ if streamInfo != nil {
+ c.Typ = serverStreamType(streamInfo)
+ }
+ c.Service, c.Method = splitFullMethodName(fullMethod)
+ return c
+}
+func (c CallMeta) FullMethod() string {
+ return fmt.Sprintf("/%s/%s", c.Service, c.Method)
+}
+
+func clientStreamType(desc *grpc.StreamDesc) GRPCType {
+ if desc.ClientStreams && !desc.ServerStreams {
+ return ClientStream
+ } else if !desc.ClientStreams && desc.ServerStreams {
+ return ServerStream
+ }
+ return BidiStream
+}
+
+func serverStreamType(info *grpc.StreamServerInfo) GRPCType {
+ if info.IsClientStream && !info.IsServerStream {
+ return ClientStream
+ } else if !info.IsClientStream && info.IsServerStream {
+ return ServerStream
+ }
+ return BidiStream
+}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/client.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/client.go
new file mode 100644
index 0000000..571e826
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/client.go
@@ -0,0 +1,74 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+// Go gRPC Middleware monitoring interceptors for client-side gRPC.
+
+package interceptors
+
+import (
+ "context"
+ "io"
+ "time"
+
+ "google.golang.org/grpc"
+)
+
+// UnaryClientInterceptor is a gRPC client-side interceptor that provides reporting for Unary RPCs.
+func UnaryClientInterceptor(reportable ClientReportable) grpc.UnaryClientInterceptor {
+ return func(ctx context.Context, method string, req, reply any, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
+ r := newReport(NewClientCallMeta(method, nil, req))
+ reporter, newCtx := reportable.ClientReporter(ctx, r.callMeta)
+
+ reporter.PostMsgSend(req, nil, time.Since(r.startTime))
+ err := invoker(newCtx, method, req, reply, cc, opts...)
+ reporter.PostMsgReceive(reply, err, time.Since(r.startTime))
+ reporter.PostCall(err, time.Since(r.startTime))
+ return err
+ }
+}
+
+// StreamClientInterceptor is a gRPC client-side interceptor that provides reporting for Stream RPCs.
+func StreamClientInterceptor(reportable ClientReportable) grpc.StreamClientInterceptor {
+ return func(ctx context.Context, desc *grpc.StreamDesc, cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) (grpc.ClientStream, error) {
+ r := newReport(NewClientCallMeta(method, desc, nil))
+ reporter, newCtx := reportable.ClientReporter(ctx, r.callMeta)
+
+ clientStream, err := streamer(newCtx, desc, cc, method, opts...)
+ if err != nil {
+ reporter.PostCall(err, time.Since(r.startTime))
+ return nil, err
+ }
+ return &monitoredClientStream{ClientStream: clientStream, startTime: r.startTime, reporter: reporter}, nil
+ }
+}
+
+// monitoredClientStream wraps grpc.ClientStream allowing each Sent/Recv of message to report.
+type monitoredClientStream struct {
+ grpc.ClientStream
+
+ startTime time.Time
+ reporter Reporter
+}
+
+func (s *monitoredClientStream) SendMsg(m any) error {
+ start := time.Now()
+ err := s.ClientStream.SendMsg(m)
+ s.reporter.PostMsgSend(m, err, time.Since(start))
+ return err
+}
+
+func (s *monitoredClientStream) RecvMsg(m any) error {
+ start := time.Now()
+ err := s.ClientStream.RecvMsg(m)
+ s.reporter.PostMsgReceive(m, err, time.Since(start))
+
+ if err == nil {
+ return nil
+ }
+ var postErr error
+ if err != io.EOF {
+ postErr = err
+ }
+ s.reporter.PostCall(postErr, time.Since(s.startTime))
+ return err
+}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/doc.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/doc.go
new file mode 100644
index 0000000..2608b9a
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/doc.go
@@ -0,0 +1,12 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+//
+/*
+interceptor is an internal package used by higher level middlewares. It allows injecting custom code in various
+places of the gRPC lifecycle.
+
+This particular package is intended for use by other middleware, metric, logging or otherwise.
+This allows code to be shared between different implementations.
+*/
+package interceptors
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/reporter.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/reporter.go
new file mode 100644
index 0000000..c93a3af
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/reporter.go
@@ -0,0 +1,75 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+package interceptors
+
+import (
+ "context"
+ "time"
+
+ "google.golang.org/grpc/codes"
+)
+
+type GRPCType string
+
+const (
+ Unary GRPCType = "unary"
+ ClientStream GRPCType = "client_stream"
+ ServerStream GRPCType = "server_stream"
+ BidiStream GRPCType = "bidi_stream"
+)
+
+var (
+ AllCodes = []codes.Code{
+ codes.OK, codes.Canceled, codes.Unknown, codes.InvalidArgument, codes.DeadlineExceeded, codes.NotFound,
+ codes.AlreadyExists, codes.PermissionDenied, codes.Unauthenticated, codes.ResourceExhausted,
+ codes.FailedPrecondition, codes.Aborted, codes.OutOfRange, codes.Unimplemented, codes.Internal,
+ codes.Unavailable, codes.DataLoss,
+ }
+)
+
+type ClientReportable interface {
+ ClientReporter(context.Context, CallMeta) (Reporter, context.Context)
+}
+
+type ServerReportable interface {
+ ServerReporter(context.Context, CallMeta) (Reporter, context.Context)
+}
+
+// CommonReportableFunc helper allows an easy way to implement reporter with common client and server logic.
+type CommonReportableFunc func(ctx context.Context, c CallMeta) (Reporter, context.Context)
+
+func (f CommonReportableFunc) ClientReporter(ctx context.Context, c CallMeta) (Reporter, context.Context) {
+ return f(ctx, c)
+}
+
+func (f CommonReportableFunc) ServerReporter(ctx context.Context, c CallMeta) (Reporter, context.Context) {
+ return f(ctx, c)
+}
+
+type Reporter interface {
+ PostCall(err error, rpcDuration time.Duration)
+ PostMsgSend(reqProto any, err error, sendDuration time.Duration)
+ PostMsgReceive(replyProto any, err error, recvDuration time.Duration)
+}
+
+var _ Reporter = NoopReporter{}
+
+type NoopReporter struct{}
+
+func (NoopReporter) PostCall(error, time.Duration) {}
+func (NoopReporter) PostMsgSend(any, error, time.Duration) {}
+func (NoopReporter) PostMsgReceive(any, error, time.Duration) {}
+
+type report struct {
+ callMeta CallMeta
+ startTime time.Time
+}
+
+func newReport(callMeta CallMeta) report {
+ r := report{
+ startTime: time.Now(),
+ callMeta: callMeta,
+ }
+ return r
+}
diff --git a/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/server.go b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/server.go
new file mode 100644
index 0000000..0484109
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/server.go
@@ -0,0 +1,65 @@
+// Copyright (c) The go-grpc-middleware Authors.
+// Licensed under the Apache License 2.0.
+
+// Go gRPC Middleware monitoring interceptors for server-side gRPC.
+
+package interceptors
+
+import (
+ "context"
+ "time"
+
+ "google.golang.org/grpc"
+)
+
+// UnaryServerInterceptor is a gRPC server-side interceptor that provides reporting for Unary RPCs.
+func UnaryServerInterceptor(reportable ServerReportable) grpc.UnaryServerInterceptor {
+ return func(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (any, error) {
+ r := newReport(NewServerCallMeta(info.FullMethod, nil, req))
+ reporter, newCtx := reportable.ServerReporter(ctx, r.callMeta)
+
+ reporter.PostMsgReceive(req, nil, time.Since(r.startTime))
+ resp, err := handler(newCtx, req)
+ reporter.PostMsgSend(resp, err, time.Since(r.startTime))
+
+ reporter.PostCall(err, time.Since(r.startTime))
+ return resp, err
+ }
+}
+
+// StreamServerInterceptor is a gRPC server-side interceptor that provides reporting for Streaming RPCs.
+func StreamServerInterceptor(reportable ServerReportable) grpc.StreamServerInterceptor {
+ return func(srv any, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
+ r := newReport(NewServerCallMeta(info.FullMethod, info, nil))
+ reporter, newCtx := reportable.ServerReporter(ss.Context(), r.callMeta)
+ err := handler(srv, &monitoredServerStream{ServerStream: ss, newCtx: newCtx, reporter: reporter})
+ reporter.PostCall(err, time.Since(r.startTime))
+ return err
+ }
+}
+
+// monitoredStream wraps grpc.ServerStream allowing each Sent/Recv of message to report.
+type monitoredServerStream struct {
+ grpc.ServerStream
+
+ newCtx context.Context
+ reporter Reporter
+}
+
+func (s *monitoredServerStream) Context() context.Context {
+ return s.newCtx
+}
+
+func (s *monitoredServerStream) SendMsg(m any) error {
+ start := time.Now()
+ err := s.ServerStream.SendMsg(m)
+ s.reporter.PostMsgSend(m, err, time.Since(start))
+ return err
+}
+
+func (s *monitoredServerStream) RecvMsg(m any) error {
+ start := time.Now()
+ err := s.ServerStream.RecvMsg(m)
+ s.reporter.PostMsgReceive(m, err, time.Since(start))
+ return err
+}