From d4f07c6b328a29c9075c16295d9d52b1cf7437b8 Mon Sep 17 00:00:00 2001 From: Hazel Bachrach Date: Wed, 11 Sep 2024 22:59:38 -0700 Subject: [PATCH 1/3] feat: add grpc instrumentation See for previous git history --- instrumentation/grpc/.rspec | 3 + instrumentation/grpc/.standard.yml | 3 + instrumentation/grpc/CHANGELOG.md | 18 ++ instrumentation/grpc/CODE_OF_CONDUCT.md | 84 ++++++++ instrumentation/grpc/Gemfile | 17 ++ instrumentation/grpc/LICENSE | 201 ++++++++++++++++++ instrumentation/grpc/README.md | 66 ++++++ instrumentation/grpc/Rakefile | 14 ++ .../lib/opentelemetry-instrumentation-grpc.rb | 7 + .../grpc/lib/opentelemetry/instrumentation.rb | 12 ++ .../lib/opentelemetry/instrumentation/grpc.rb | 28 +++ .../instrumentation/grpc/instrumentation.rb | 31 +++ .../grpc/interceptors/client.rb | 84 ++++++++ .../instrumentation/grpc/version.rb | 13 ++ ...opentelemetry-instrumentation-grpc.gemspec | 49 +++++ .../opentelemetry/instrumentation/grpc.rbs | 14 ++ instrumentation/grpc/spec/example/Gemfile | 14 ++ instrumentation/grpc/spec/example/base.rb | 13 ++ .../controllers/example_api_controller.rb | 15 ++ .../grpc/spec/example/proto/example_api.proto | 16 ++ .../grpc/spec/example/proto/example_api_pb.rb | 25 +++ .../example/proto/example_api_services_pb.rb | 25 +++ .../grpc/spec/example/trace_demonstration.rb | 46 ++++ .../grpc/interceptors/client_spec.rb | 82 +++++++ .../instrumentation/grpc_spec.rb | 15 ++ instrumentation/grpc/spec/spec_helper.rb | 31 +++ 26 files changed, 926 insertions(+) create mode 100644 instrumentation/grpc/.rspec create mode 100644 instrumentation/grpc/.standard.yml create mode 100644 instrumentation/grpc/CHANGELOG.md create mode 100644 instrumentation/grpc/CODE_OF_CONDUCT.md create mode 100644 instrumentation/grpc/Gemfile create mode 100644 instrumentation/grpc/LICENSE create mode 100644 instrumentation/grpc/README.md create mode 100644 instrumentation/grpc/Rakefile create mode 100644 instrumentation/grpc/lib/opentelemetry-instrumentation-grpc.rb create mode 100644 instrumentation/grpc/lib/opentelemetry/instrumentation.rb create mode 100644 instrumentation/grpc/lib/opentelemetry/instrumentation/grpc.rb create mode 100644 instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/instrumentation.rb create mode 100644 instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/interceptors/client.rb create mode 100644 instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/version.rb create mode 100644 instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec create mode 100644 instrumentation/grpc/sig/opentelemetry/instrumentation/grpc.rbs create mode 100644 instrumentation/grpc/spec/example/Gemfile create mode 100644 instrumentation/grpc/spec/example/base.rb create mode 100644 instrumentation/grpc/spec/example/controllers/example_api_controller.rb create mode 100644 instrumentation/grpc/spec/example/proto/example_api.proto create mode 100644 instrumentation/grpc/spec/example/proto/example_api_pb.rb create mode 100644 instrumentation/grpc/spec/example/proto/example_api_services_pb.rb create mode 100644 instrumentation/grpc/spec/example/trace_demonstration.rb create mode 100644 instrumentation/grpc/spec/opentelemetry/instrumentation/grpc/interceptors/client_spec.rb create mode 100644 instrumentation/grpc/spec/opentelemetry/instrumentation/grpc_spec.rb create mode 100644 instrumentation/grpc/spec/spec_helper.rb diff --git a/instrumentation/grpc/.rspec b/instrumentation/grpc/.rspec new file mode 100644 index 000000000..34c5164d9 --- /dev/null +++ b/instrumentation/grpc/.rspec @@ -0,0 +1,3 @@ +--format documentation +--color +--require spec_helper diff --git a/instrumentation/grpc/.standard.yml b/instrumentation/grpc/.standard.yml new file mode 100644 index 000000000..6d67c99eb --- /dev/null +++ b/instrumentation/grpc/.standard.yml @@ -0,0 +1,3 @@ +# For available configuration options, see: +# https://github.com/standardrb/standard +ruby_version: 3.0 diff --git a/instrumentation/grpc/CHANGELOG.md b/instrumentation/grpc/CHANGELOG.md new file mode 100644 index 000000000..4b7b650f9 --- /dev/null +++ b/instrumentation/grpc/CHANGELOG.md @@ -0,0 +1,18 @@ +## [Unreleased] + +## [0.1.3] - 2024-09-11 + +- Fix error in handling of non-gRPC errors +- Fix error in method signature for OpenTelemetry::Instrumentation::Grpc.client_interceptor [#1](https://github.com/hibachrach/opentelemetry-instrumentation-grpc/pull/1) + +## [0.1.2] - 2024-06-26 + +- Align span naming with spec + +## [0.1.1] - 2024-06-26 + +- Fix `uninitialized constant Interceptors` error + +## [0.1.0] - 2024-06-18 + +- Initial release diff --git a/instrumentation/grpc/CODE_OF_CONDUCT.md b/instrumentation/grpc/CODE_OF_CONDUCT.md new file mode 100644 index 000000000..e478f902c --- /dev/null +++ b/instrumentation/grpc/CODE_OF_CONDUCT.md @@ -0,0 +1,84 @@ +# Contributor Covenant Code of Conduct + +## Our Pledge + +We as members, contributors, and leaders pledge to make participation in our community a harassment-free experience for everyone, regardless of age, body size, visible or invisible disability, ethnicity, sex characteristics, gender identity and expression, level of experience, education, socio-economic status, nationality, personal appearance, race, religion, or sexual identity and orientation. + +We pledge to act and interact in ways that contribute to an open, welcoming, diverse, inclusive, and healthy community. + +## Our Standards + +Examples of behavior that contributes to a positive environment for our community include: + +* Demonstrating empathy and kindness toward other people +* Being respectful of differing opinions, viewpoints, and experiences +* Giving and gracefully accepting constructive feedback +* Accepting responsibility and apologizing to those affected by our mistakes, and learning from the experience +* Focusing on what is best not just for us as individuals, but for the overall community + +Examples of unacceptable behavior include: + +* The use of sexualized language or imagery, and sexual attention or + advances of any kind +* Trolling, insulting or derogatory comments, and personal or political attacks +* Public or private harassment +* Publishing others' private information, such as a physical or email + address, without their explicit permission +* Other conduct which could reasonably be considered inappropriate in a + professional setting + +## Enforcement Responsibilities + +Community leaders are responsible for clarifying and enforcing our standards of acceptable behavior and will take appropriate and fair corrective action in response to any behavior that they deem inappropriate, threatening, offensive, or harmful. + +Community leaders have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct, and will communicate reasons for moderation decisions when appropriate. + +## Scope + +This Code of Conduct applies within all community spaces, and also applies when an individual is officially representing the community in public spaces. Examples of representing our community include using an official e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. + +## Enforcement + +Instances of abusive, harassing, or otherwise unacceptable behavior may be reported to the community leaders responsible for enforcement at hbachrach@dropbox.com. All complaints will be reviewed and investigated promptly and fairly. + +All community leaders are obligated to respect the privacy and security of the reporter of any incident. + +## Enforcement Guidelines + +Community leaders will follow these Community Impact Guidelines in determining the consequences for any action they deem in violation of this Code of Conduct: + +### 1. 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Permanent Ban + +**Community Impact**: Demonstrating a pattern of violation of community standards, including sustained inappropriate behavior, harassment of an individual, or aggression toward or disparagement of classes of individuals. + +**Consequence**: A permanent ban from any sort of public interaction within the community. + +## Attribution + +This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 2.0, +available at https://www.contributor-covenant.org/version/2/0/code_of_conduct.html. + +Community Impact Guidelines were inspired by [Mozilla's code of conduct enforcement ladder](https://github.com/mozilla/diversity). + +[homepage]: https://www.contributor-covenant.org + +For answers to common questions about this code of conduct, see the FAQ at +https://www.contributor-covenant.org/faq. Translations are available at https://www.contributor-covenant.org/translations. diff --git a/instrumentation/grpc/Gemfile b/instrumentation/grpc/Gemfile new file mode 100644 index 000000000..091fd2d84 --- /dev/null +++ b/instrumentation/grpc/Gemfile @@ -0,0 +1,17 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +source "https://rubygems.org" + +# Specify your gem's dependencies in opentelemetry-instrumentation-grpc.gemspec +gemspec + +gem "rake", "~> 13.0" +gem "rspec", "~> 3.0" +gem "standard", "~> 1.3" +gem "opentelemetry-sdk", "~> 1.0" +gem "opentelemetry-test-helpers" +gem "grpc" diff --git a/instrumentation/grpc/LICENSE b/instrumentation/grpc/LICENSE new file mode 100644 index 000000000..1ef7dad2c --- /dev/null +++ b/instrumentation/grpc/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. 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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 The OpenTelemetry Authors + + 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. diff --git a/instrumentation/grpc/README.md b/instrumentation/grpc/README.md new file mode 100644 index 000000000..f49cfbf89 --- /dev/null +++ b/instrumentation/grpc/README.md @@ -0,0 +1,66 @@ +# OpenTelemetry::Instrumentation::Grpc + +[![Gem Version](https://badge.fury.io/rb/opentelemetry-instrumentation-grpc.svg)](https://badge.fury.io/rb/opentelemetry-instrumentation-grpc) +[![GitHub Actions CI Status](https://github.com/hibachrach/opentelemetry-instrumentation-grpc/actions/workflows/main.yml/badge.svg)](https://github.com/hibachrach/opentelemetry-instrumentation-grpc/actions?query=branch%3Amain) + +OpenTelemetry instrumentation for users of the `grpc` gem + +> [!WARNING] +> Right now, the gem only instruments outbound requests to gRPC services + +## Installation + +Install the gem and add to the application's Gemfile by executing: + + $ bundle add opentelemetry-instrumentation-grpc + +If bundler is not being used to manage dependencies, install the gem by executing: + + $ gem install opentelemetry-instrumentation-grpc + +## Usage + +To use the instrumentation, call `use` with the name of the instrumentation: + +```ruby +OpenTelemetry::SDK.configure do |c| + c.use 'OpenTelemetry::Instrumentation::Grpc', { + peer_service: "Example", + allowed_metadata_headers: [], + } +end +``` + +Alternatively, you can also call `use_all` to install all the available +instrumentation. + +```ruby +OpenTelemetry::SDK.configure do |c| + c.use_all +end +``` + +You *also* need to make sure your stubs are using the interceptor, e.g. + +```ruby +otel = OpenTelemetry::Instrumentation::Grpc.client_interceptor +SomeService::Stub.new(host, credentials, *args, **kwargs, interceptors: [otel]) +``` + +## Development + +After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment. + +To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and the created tag, and push the `.gem` file to [rubygems.org](https://rubygems.org). + +## Contributing + +Bug reports and pull requests are welcome on GitHub at https://github.com/hibachrach/opentelemetry-instrumentation-grpc. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [code of conduct](https://github.com/[USERNAME]/opentelemetry-instrumentation-grpc/blob/main/CODE_OF_CONDUCT.md). + +## License + +The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT). + +## Code of Conduct + +Everyone interacting in the OpenTelemetry::Instrumentation::Grpc project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/[USERNAME]/opentelemetry-instrumentation-grpc/blob/main/CODE_OF_CONDUCT.md). diff --git a/instrumentation/grpc/Rakefile b/instrumentation/grpc/Rakefile new file mode 100644 index 000000000..011031f8f --- /dev/null +++ b/instrumentation/grpc/Rakefile @@ -0,0 +1,14 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +require "bundler/gem_tasks" +require "rspec/core/rake_task" + +RSpec::Core::RakeTask.new(:spec) + +require "standard/rake" + +task default: %i[spec standard] diff --git a/instrumentation/grpc/lib/opentelemetry-instrumentation-grpc.rb b/instrumentation/grpc/lib/opentelemetry-instrumentation-grpc.rb new file mode 100644 index 000000000..c6f1e5014 --- /dev/null +++ b/instrumentation/grpc/lib/opentelemetry-instrumentation-grpc.rb @@ -0,0 +1,7 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +require_relative "opentelemetry/instrumentation" diff --git a/instrumentation/grpc/lib/opentelemetry/instrumentation.rb b/instrumentation/grpc/lib/opentelemetry/instrumentation.rb new file mode 100644 index 000000000..e036eea9d --- /dev/null +++ b/instrumentation/grpc/lib/opentelemetry/instrumentation.rb @@ -0,0 +1,12 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +module OpenTelemetry + module Instrumentation + end +end + +require_relative "instrumentation/grpc" diff --git a/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc.rb b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc.rb new file mode 100644 index 000000000..3672d3d05 --- /dev/null +++ b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc.rb @@ -0,0 +1,28 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +require "opentelemetry" +require "opentelemetry-instrumentation-base" +require "active_support/inflector" + +module OpenTelemetry + module Instrumentation + # Contains the OpenTelemetry instrumentation for the Gruf gem + module Grpc + class Error < StandardError; end + + module_function + + def client_interceptor + Interceptors::Client.new + end + end + end +end + +require_relative "grpc/instrumentation" +require_relative "grpc/interceptors/client" +require_relative "grpc/version" diff --git a/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/instrumentation.rb b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/instrumentation.rb new file mode 100644 index 000000000..222797670 --- /dev/null +++ b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/instrumentation.rb @@ -0,0 +1,31 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +module OpenTelemetry + module Instrumentation + module Grpc + # The Instrumentation class contains logic to detect and install the Grpc instrumentation + class Instrumentation < OpenTelemetry::Instrumentation::Base + install do |_config| + require_dependencies + end + + option :allowed_metadata_headers, default: [], validate: :array + option :peer_service, default: nil, validate: :string + + present do + defined?(::GRPC) + end + + private + + def require_dependencies + require_relative "interceptors/client" + end + end + end + end +end diff --git a/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/interceptors/client.rb b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/interceptors/client.rb new file mode 100644 index 000000000..988ff0db6 --- /dev/null +++ b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/interceptors/client.rb @@ -0,0 +1,84 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +module OpenTelemetry + module Instrumentation + module Grpc + module Interceptors + class Client < ::GRPC::ClientInterceptor + def request_response(request: nil, call: nil, method: nil, metadata: nil, &blk) + call(type: "request_response", requests: [request], call: call, method: method, metadata: metadata, &blk) + end + + def client_streamer(requests: nil, call: nil, method: nil, metadata: nil, &blk) + call(type: "client_streamer", requests: requests, call: call, method: method, metadata: metadata, &blk) + end + + def server_streamer(request: nil, call: nil, method: nil, metadata: nil, &blk) + call(type: "server_streamer", requests: [request], call: call, method: method, metadata: metadata, &blk) + end + + def bidi_streamer(requests: nil, call: nil, method: nil, metadata: nil, &blk) + call(type: "client_streamer", requests: requests, call: call, method: method, metadata: metadata, &blk) + end + + private + + def call(type:, requests: nil, call: nil, method: nil, metadata: nil) + return yield if instrumentation_config.empty? + + method_parts = method.to_s.split("/") + service = method_parts[1] + method_name = method_parts.last + + attributes = { + OpenTelemetry::SemanticConventions::Trace::RPC_SYSTEM => "grpc", + OpenTelemetry::SemanticConventions::Trace::RPC_SERVICE => service, + OpenTelemetry::SemanticConventions::Trace::RPC_METHOD => method_name, + OpenTelemetry::SemanticConventions::Trace::PEER_SERVICE => instrumentation_config[:peer_service], + "rpc.type" => type, + "net.sock.peer.addr" => call.instance_variable_get(:@wrapped)&.peer + }.compact + + attributes.merge!(allowed_metadata_headers(metadata.transform_keys(&:to_s))) + + instrumentation_tracer.in_span( + # The specification requires there be no leading slash + # https://github.com/open-telemetry/semantic-conventions/blob/5a2836bbea0b6e105b98370f331a7661bcf19540/docs/rpc/rpc-spans.md?plain=1#L63-L69 + method.to_s.delete_prefix("/"), + attributes: attributes, + kind: OpenTelemetry::Trace::SpanKind::CLIENT + ) do |span| + OpenTelemetry.propagation.inject(metadata) + yield.tap do + span&.set_attribute(OpenTelemetry::SemanticConventions::Trace::RPC_GRPC_STATUS_CODE, 0) + end + rescue ::GRPC::BadStatus => e + span&.set_attribute(OpenTelemetry::SemanticConventions::Trace::RPC_GRPC_STATUS_CODE, e.code) + raise e + end + end + + def allowed_metadata_headers(metadata) + instrumentation_config[:allowed_metadata_headers].each_with_object({}) do |k, h| + if (v = metadata[k.to_s]) + h["rpc.request.metadata.#{k}"] = v + end + end + end + + def instrumentation_config + Grpc::Instrumentation.instance.config + end + + def instrumentation_tracer + Grpc::Instrumentation.instance.tracer + end + end + end + end + end +end diff --git a/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/version.rb b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/version.rb new file mode 100644 index 000000000..1549ed154 --- /dev/null +++ b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/version.rb @@ -0,0 +1,13 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +module OpenTelemetry + module Instrumentation + module Grpc + VERSION = "0.1.3" + end + end +end diff --git a/instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec b/instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec new file mode 100644 index 000000000..446a414a1 --- /dev/null +++ b/instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec @@ -0,0 +1,49 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +require_relative "lib/opentelemetry/instrumentation/grpc/version" + +Gem::Specification.new do |spec| + spec.name = "opentelemetry-instrumentation-grpc" + spec.version = OpenTelemetry::Instrumentation::Grpc::VERSION + spec.authors = ['OpenTelemetry Authors'] + spec.email = ['cncf-opentelemetry-contributors@lists.cncf.io'] + + spec.summary = 'Gruf instrumentation for the OpenTelemetry framework' + spec.description = 'Gruf instrumentation for the OpenTelemetry framework' + spec.homepage = 'https://github.com/open-telemetry/opentelemetry-ruby-contrib' + spec.license = 'Apache-2.0' + + spec.required_ruby_version = ">= 3.0.0" + + # Specify which files should be added to the gem when it is released. + # The `git ls-files -z` loads the files in the RubyGem that have been added into git. + gemspec = File.basename(__FILE__) + spec.files = IO.popen(%w[git ls-files -z], chdir: __dir__, err: IO::NULL) do |ls| + ls.readlines("\x0", chomp: true).reject do |f| + (f == gemspec) || + f.start_with?(*%w[bin/ test/ spec/ features/ .git .github appveyor Gemfile]) + end + end + spec.bindir = "exe" + spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) } + spec.require_paths = ["lib"] + + # Uncomment to register a new dependency of your gem + spec.add_dependency "opentelemetry-instrumentation-base", "~> 0.22.4" + spec.add_dependency "opentelemetry-api", "~> 1.2" + spec.add_runtime_dependency "activesupport", ">= 4" + + # For more information and examples about making a new gem, check out our + # guide at: https://bundler.io/guides/creating_gem.html + + if spec.respond_to?(:metadata) + spec.metadata['changelog_uri'] = "https://open-telemetry.github.io/opentelemetry-ruby-contrib/opentelemetry-instrumentation-grpc/v#{OpenTelemetry::Instrumentation::Grpc::VERSION}/file.CHANGELOG.html" + spec.metadata['source_code_uri'] = 'https://github.com/open-telemetry/opentelemetry-ruby-contrib/tree/main/instrumentation/grpc' + spec.metadata['bug_tracker_uri'] = 'https://github.com/open-telemetry/opentelemetry-ruby-contrib/issues' + spec.metadata['documentation_uri'] = "https://open-telemetry.github.io/opentelemetry-ruby-contrib/opentelemetry-instrumentation-grpc/v#{OpenTelemetry::Instrumentation::Grpc::VERSION}" + end +end diff --git a/instrumentation/grpc/sig/opentelemetry/instrumentation/grpc.rbs b/instrumentation/grpc/sig/opentelemetry/instrumentation/grpc.rbs new file mode 100644 index 000000000..03f8245de --- /dev/null +++ b/instrumentation/grpc/sig/opentelemetry/instrumentation/grpc.rbs @@ -0,0 +1,14 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +module OpenTelemetry + module Instrumentation + module Grpc + VERSION: String + # See the writing guide of rbs: https://github.com/ruby/rbs#guides + end + end +end diff --git a/instrumentation/grpc/spec/example/Gemfile b/instrumentation/grpc/spec/example/Gemfile new file mode 100644 index 000000000..fafb31a31 --- /dev/null +++ b/instrumentation/grpc/spec/example/Gemfile @@ -0,0 +1,14 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +source "https://rubygems.org" + +gem "opentelemetry-api" +gem "opentelemetry-common" +gem "opentelemetry-instrumentation-gruf", path: "../../gruf" +gem "opentelemetry-sdk" +gem "gruf" +gem "google-protobuf" diff --git a/instrumentation/grpc/spec/example/base.rb b/instrumentation/grpc/spec/example/base.rb new file mode 100644 index 000000000..e66891270 --- /dev/null +++ b/instrumentation/grpc/spec/example/base.rb @@ -0,0 +1,13 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +require "rubygems" +require "bundler/setup" +require "json" +require_relative "proto/example_api_pb" +require_relative "proto/example_api_services_pb" + +Bundler.require diff --git a/instrumentation/grpc/spec/example/controllers/example_api_controller.rb b/instrumentation/grpc/spec/example/controllers/example_api_controller.rb new file mode 100644 index 000000000..7bf6f14be --- /dev/null +++ b/instrumentation/grpc/spec/example/controllers/example_api_controller.rb @@ -0,0 +1,15 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +require_relative "../base" + +class ExampleApiController < Gruf::Controllers::Base + bind Proto::Example::ExampleAPI::Service + + def example + Proto::Example::ExampleResponse.new(response_name: "Done") + end +end diff --git a/instrumentation/grpc/spec/example/proto/example_api.proto b/instrumentation/grpc/spec/example/proto/example_api.proto new file mode 100644 index 000000000..d28ba90f3 --- /dev/null +++ b/instrumentation/grpc/spec/example/proto/example_api.proto @@ -0,0 +1,16 @@ +syntax = "proto3"; + +package proto.example; + +service ExampleAPI { + rpc Example(ExampleRequest) returns (ExampleResponse); +} + +message ExampleRequest { + uint64 id = 1; + string name = 2; +} + +message ExampleResponse { + string response_name = 1; +} \ No newline at end of file diff --git a/instrumentation/grpc/spec/example/proto/example_api_pb.rb b/instrumentation/grpc/spec/example/proto/example_api_pb.rb new file mode 100644 index 000000000..4e4649924 --- /dev/null +++ b/instrumentation/grpc/spec/example/proto/example_api_pb.rb @@ -0,0 +1,25 @@ +# frozen_string_literal: true + +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: example/example_api.proto + +require "google/protobuf" + +Google::Protobuf::DescriptorPool.generated_pool.build do + add_file("example/example_api.proto", syntax: :proto3) do + add_message "proto.example.ExampleRequest" do + optional :id, :uint64, 1 + optional :name, :string, 2 + end + add_message "proto.example.ExampleResponse" do + optional :response_name, :string, 1 + end + end +end + +module Proto + module Example + ExampleRequest = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("proto.example.ExampleRequest").msgclass + ExampleResponse = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("proto.example.ExampleResponse").msgclass + end +end diff --git a/instrumentation/grpc/spec/example/proto/example_api_services_pb.rb b/instrumentation/grpc/spec/example/proto/example_api_services_pb.rb new file mode 100644 index 000000000..8fb75965b --- /dev/null +++ b/instrumentation/grpc/spec/example/proto/example_api_services_pb.rb @@ -0,0 +1,25 @@ +# frozen_string_literal: true + +# Generated by the protocol buffer compiler. DO NOT EDIT! +# Source: example/example_api.proto for package 'proto.example' + +require "grpc" +require_relative "example_api_pb" + +module Proto + module Example + module ExampleAPI + class Service + include ::GRPC::GenericService + + self.marshal_class_method = :encode + self.unmarshal_class_method = :decode + self.service_name = "proto.example.ExampleAPI" + + rpc :Example, ::Proto::Example::ExampleRequest, ::Proto::Example::ExampleResponse + end + + Stub = Service.rpc_stub_class + end + end +end diff --git a/instrumentation/grpc/spec/example/trace_demonstration.rb b/instrumentation/grpc/spec/example/trace_demonstration.rb new file mode 100644 index 000000000..9e4c38a28 --- /dev/null +++ b/instrumentation/grpc/spec/example/trace_demonstration.rb @@ -0,0 +1,46 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +require_relative "base" + +# Export traces to console by default +ENV["OTEL_TRACES_EXPORTER"] = "console" +# Configure OpenTelemetry::Instrumentation::Gruf +OpenTelemetry::SDK.configure do |c| + c.use "OpenTelemetry::Instrumentation::Gruf", { + peer_service: "Example", + grpc_ignore_methods_on_client: [], # ["proto.example.example_api.example"] + grpc_ignore_methods_on_server: [], # ["proto.example.example_api.example"] + allowed_metadata_headers: [] + } +end + +# Configure Gruf::Server +Gruf.configure do |config| + config.controllers_path = ("./controllers") + config.interceptors.clear + config.interceptors.use(OpenTelemetry::Instrumentation::Gruf::Interceptors::Server) +end +Gruf.autoloaders.load!(controllers_path: Gruf.controllers_path) + +Thread.new do + # Configure Gruf::Client: send request after 5 seconds + sleep 5 + client_options = {interceptors: [OpenTelemetry::Instrumentation::Gruf::Interceptors::Client.new]} + client = Gruf::Client.new( + service: Proto::Example::ExampleAPI, options: {}, client_options: client_options + ) + metadata = {project_name: "Example project", authorization: "authorization_token"} + client.call(:Example, {id: 1, name: "Example"}, metadata) + + # Kill process after 3 seconds + sleep 3 + exit +end + +server = Gruf::Server.new +# Demonstrate tracing for client and server (span output to console): +server.start! diff --git a/instrumentation/grpc/spec/opentelemetry/instrumentation/grpc/interceptors/client_spec.rb b/instrumentation/grpc/spec/opentelemetry/instrumentation/grpc/interceptors/client_spec.rb new file mode 100644 index 000000000..c536120e5 --- /dev/null +++ b/instrumentation/grpc/spec/opentelemetry/instrumentation/grpc/interceptors/client_spec.rb @@ -0,0 +1,82 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +require "spec_helper" + +require "opentelemetry/instrumentation/grpc/interceptors/client" + +RSpec.describe OpenTelemetry::Instrumentation::Grpc::Interceptors::Client do + before do + instrumentation.install(config) + exporter.reset + end + + after do + instrumentation.instance_variable_set(:@installed, false) + end + + let(:config) { {} } + let(:exporter) { EXPORTER } + let(:instrumentation) { OpenTelemetry::Instrumentation::Grpc::Instrumentation.instance } + let(:span) { exporter.finished_spans.first } + let(:response) { Proto::Example::ExampleResponse.new(response_name: "Done") } + let(:block) { proc { response } } + let(:client_call) do + OpenTelemetry::Instrumentation::Grpc::Interceptors::Client + .new.request_response(request: Proto::Example::ExampleRequest.new, call: proc { true }, method: "/proto.example.ExampleAPI/Example", metadata: {foo: "bar"}, &block) + end + + describe "success request" do + it "gets response and finish span" do + expect(client_call).to eq(response) + expect(exporter.finished_spans.size).to eq(1) + expect(span.kind).to eq(:client) + expect(span.attributes["rpc.system"]).to eq("grpc") + expect(span.attributes["rpc.type"]).to eq("request_response") + expect(span.name).to eq("proto.example.ExampleAPI/Example") + end + + describe "with allowed_metadata_headers" do + let(:config) { {allowed_metadata_headers: [:foo]} } + + it do + client_call + + expect(exporter.finished_spans.size).to eq(1) + expect(span.attributes["rpc.request.metadata.foo"]).to eq("bar") + end + end + end + + describe "raise non-gRPC related error" do + let(:error_class) { Class.new(StandardError) } + let(:block) { proc { raise error_class } } + + it "gets response and finish span" do + expect { client_call }.to raise_error(error_class) + expect(exporter.finished_spans.size).to eq(1) + expect(span.kind).to eq(:client) + expect(span.attributes["rpc.system"]).to eq("grpc") + expect(span.attributes["rpc.type"]).to eq("request_response") + expect(span.events.size).to eq(1) + expect(span.events.first.name).to eq("exception") + end + end + + describe "raise gRPC related error" do + let(:block) { proc { raise ::GRPC::NotFound } } + + it "gets response and finish span, setting code correctly" do + expect { client_call }.to raise_error(::GRPC::NotFound) + expect(exporter.finished_spans.size).to eq(1) + expect(span.kind).to eq(:client) + expect(span.attributes["rpc.system"]).to eq("grpc") + expect(span.attributes["rpc.type"]).to eq("request_response") + expect(span.attributes["rpc.grpc.status_code"]).to eq(::GRPC::NotFound.new.code) + expect(span.events.size).to eq(1) + end + end +end diff --git a/instrumentation/grpc/spec/opentelemetry/instrumentation/grpc_spec.rb b/instrumentation/grpc/spec/opentelemetry/instrumentation/grpc_spec.rb new file mode 100644 index 000000000..0a805138c --- /dev/null +++ b/instrumentation/grpc/spec/opentelemetry/instrumentation/grpc_spec.rb @@ -0,0 +1,15 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +RSpec.describe OpenTelemetry::Instrumentation::Grpc do + it "has a version number" do + expect(OpenTelemetry::Instrumentation::Grpc::VERSION).not_to be nil + end + + describe ".client_interceptor" do + it { expect(described_class.client_interceptor).to be_a(OpenTelemetry::Instrumentation::Grpc::Interceptors::Client) } + end +end diff --git a/instrumentation/grpc/spec/spec_helper.rb b/instrumentation/grpc/spec/spec_helper.rb new file mode 100644 index 000000000..7a082ee74 --- /dev/null +++ b/instrumentation/grpc/spec/spec_helper.rb @@ -0,0 +1,31 @@ +# frozen_string_literal: true + +# Copyright The OpenTelemetry Authors +# +# SPDX-License-Identifier: Apache-2.0 + +require "opentelemetry/sdk" +require "grpc" + +require "opentelemetry/instrumentation/grpc" +require "example/proto/example_api_pb" +require "example/proto/example_api_services_pb" + +RSpec.configure do |config| + # Enable flags like --only-failures and --next-failure + config.example_status_persistence_file_path = ".rspec_status" + + # Disable RSpec exposing methods globally on `Module` and `main` + config.disable_monkey_patching! + + config.expect_with :rspec do |c| + c.syntax = :expect + end +end + +EXPORTER = OpenTelemetry::SDK::Trace::Export::InMemorySpanExporter.new +span_processor = OpenTelemetry::SDK::Trace::Export::SimpleSpanProcessor.new(EXPORTER) + +OpenTelemetry::SDK.configure do |c| + c.add_span_processor span_processor +end From 59b313ebbf483d07bb2372f87a6dcd2bc548c006 Mon Sep 17 00:00:00 2001 From: Kayla Reopelle <87386821+kaylareopelle@users.noreply.github.com> Date: Wed, 20 Nov 2024 17:18:56 -0800 Subject: [PATCH 2/3] Apply suggestions from code review --- instrumentation/grpc/README.md | 26 +++++++++---------- .../lib/opentelemetry/instrumentation/grpc.rb | 2 +- ...opentelemetry-instrumentation-grpc.gemspec | 4 +-- 3 files changed, 16 insertions(+), 16 deletions(-) diff --git a/instrumentation/grpc/README.md b/instrumentation/grpc/README.md index f49cfbf89..082dc4906 100644 --- a/instrumentation/grpc/README.md +++ b/instrumentation/grpc/README.md @@ -23,28 +23,28 @@ If bundler is not being used to manage dependencies, install the gem by executin To use the instrumentation, call `use` with the name of the instrumentation: ```ruby -OpenTelemetry::SDK.configure do |c| - c.use 'OpenTelemetry::Instrumentation::Grpc', { - peer_service: "Example", - allowed_metadata_headers: [], - } -end + OpenTelemetry::SDK.configure do |c| + c.use 'OpenTelemetry::Instrumentation::Grpc', { + peer_service: "Example", + allowed_metadata_headers: [], + } + end ``` Alternatively, you can also call `use_all` to install all the available instrumentation. ```ruby -OpenTelemetry::SDK.configure do |c| - c.use_all -end + OpenTelemetry::SDK.configure do |c| + c.use_all + end ``` You *also* need to make sure your stubs are using the interceptor, e.g. ```ruby -otel = OpenTelemetry::Instrumentation::Grpc.client_interceptor -SomeService::Stub.new(host, credentials, *args, **kwargs, interceptors: [otel]) + otel = OpenTelemetry::Instrumentation::Grpc.client_interceptor + SomeService::Stub.new(host, credentials, *args, **kwargs, interceptors: [otel]) ``` ## Development @@ -55,7 +55,7 @@ To install this gem onto your local machine, run `bundle exec rake install`. To ## Contributing -Bug reports and pull requests are welcome on GitHub at https://github.com/hibachrach/opentelemetry-instrumentation-grpc. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [code of conduct](https://github.com/[USERNAME]/opentelemetry-instrumentation-grpc/blob/main/CODE_OF_CONDUCT.md). +Bug reports and pull requests are welcome on GitHub at https://github.com/open-telemetry/opentelemetry-ruby-contrib. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [code of conduct](https://github.com/open-telemetry/opentelemetry-ruby-contrib/blob/main/CODE_OF_CONDUCT.md). ## License @@ -63,4 +63,4 @@ The gem is available as open source under the terms of the [MIT License](https:/ ## Code of Conduct -Everyone interacting in the OpenTelemetry::Instrumentation::Grpc project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/[USERNAME]/opentelemetry-instrumentation-grpc/blob/main/CODE_OF_CONDUCT.md). +Everyone interacting in the OpenTelemetry::Instrumentation::Grpc project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/open-telemetry/opentelemetry-ruby-contrib/blob/main/CODE_OF_CONDUCT.md). diff --git a/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc.rb b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc.rb index 3672d3d05..582b53fe3 100644 --- a/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc.rb +++ b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc.rb @@ -10,7 +10,7 @@ module OpenTelemetry module Instrumentation - # Contains the OpenTelemetry instrumentation for the Gruf gem + # Contains the OpenTelemetry instrumentation for the gRPC gem module Grpc class Error < StandardError; end diff --git a/instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec b/instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec index 446a414a1..e2c18e6a3 100644 --- a/instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec +++ b/instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec @@ -12,8 +12,8 @@ Gem::Specification.new do |spec| spec.authors = ['OpenTelemetry Authors'] spec.email = ['cncf-opentelemetry-contributors@lists.cncf.io'] - spec.summary = 'Gruf instrumentation for the OpenTelemetry framework' - spec.description = 'Gruf instrumentation for the OpenTelemetry framework' + spec.summary = 'gRPC instrumentation for the OpenTelemetry framework' + spec.description = 'gRPC instrumentation for the OpenTelemetry framework' spec.homepage = 'https://github.com/open-telemetry/opentelemetry-ruby-contrib' spec.license = 'Apache-2.0' From 8ba7ca3ff6ee0d0b5d4521862d9192b579fb24e5 Mon Sep 17 00:00:00 2001 From: Kayla Reopelle Date: Thu, 21 Nov 2024 12:24:43 -0800 Subject: [PATCH 3/3] chore: Markdown lint, class updates for CI --- instrumentation/grpc/README.md | 11 +++++++++-- .../instrumentation/grpc/instrumentation.rb | 5 +++++ .../instrumentation/grpc/interceptors/client.rb | 2 +- 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/instrumentation/grpc/README.md b/instrumentation/grpc/README.md index 082dc4906..8d3c1165c 100644 --- a/instrumentation/grpc/README.md +++ b/instrumentation/grpc/README.md @@ -8,15 +8,22 @@ OpenTelemetry instrumentation for users of the `grpc` gem > [!WARNING] > Right now, the gem only instruments outbound requests to gRPC services +> [!WARNING] +> This gem is not ready for release by the open-telemetry org yet, but other versions are available on RubyGems + ## Installation Install the gem and add to the application's Gemfile by executing: - $ bundle add opentelemetry-instrumentation-grpc +```sh + $ bundle add opentelemetry-instrumentation-grpc +``` If bundler is not being used to manage dependencies, install the gem by executing: - $ gem install opentelemetry-instrumentation-grpc +```sh + $ gem install opentelemetry-instrumentation-grpc +``` ## Usage diff --git a/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/instrumentation.rb b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/instrumentation.rb index 222797670..5287f44b8 100644 --- a/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/instrumentation.rb +++ b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/instrumentation.rb @@ -11,6 +11,7 @@ module Grpc class Instrumentation < OpenTelemetry::Instrumentation::Base install do |_config| require_dependencies + patch end option :allowed_metadata_headers, default: [], validate: :array @@ -22,6 +23,10 @@ class Instrumentation < OpenTelemetry::Instrumentation::Base private + def patch + ::GRPC::ClientInterceptor.prepend(Interceptors::Client) + end + def require_dependencies require_relative "interceptors/client" end diff --git a/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/interceptors/client.rb b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/interceptors/client.rb index 988ff0db6..2cc03459d 100644 --- a/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/interceptors/client.rb +++ b/instrumentation/grpc/lib/opentelemetry/instrumentation/grpc/interceptors/client.rb @@ -8,7 +8,7 @@ module OpenTelemetry module Instrumentation module Grpc module Interceptors - class Client < ::GRPC::ClientInterceptor + class Client def request_response(request: nil, call: nil, method: nil, metadata: nil, &blk) call(type: "request_response", requests: [request], call: call, method: method, metadata: metadata, &blk) end