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feat: add sem_conv opt in #1166

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feat: add sem_conv opt in #1166

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6d0da5a
feat: add sem_conv opt in
hannahramadan Sep 13, 2024
8f28f64
Cleanup code with `tap`
hannahramadan Sep 16, 2024
c6b45fb
Apply suggestions from code review
hannahramadan Sep 16, 2024
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3 changes: 3 additions & 0 deletions instrumentation/http/lib/opentelemetry/instrumentation/http/instrumentation.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,12 @@ module Instrumentation
module HTTP
# The Instrumentation class contains logic to detect and install the Http instrumentation
class Instrumentation < OpenTelemetry::Instrumentation::Base
attr_reader :sem_conv

install do |_config|
require_dependencies
patch
@sem_conv = OpenTelemetry::SemanticConventions::StabilityMode.new
end

present do
Expand Down
30 changes: 20 additions & 10 deletions instrumentation/http/lib/opentelemetry/instrumentation/http/patches/client.rb
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Expand Up @@ -15,14 +15,17 @@ def perform(req, options)
request_method = req.verb.to_s.upcase
span_name = create_request_span_name(request_method, uri.path)

attributes = {
'http.method' => request_method,
'http.scheme' => uri.scheme,
'http.target' => uri.path,
'http.url' => "#{uri.scheme}://#{uri.host}",
'net.peer.name' => uri.host,
'net.peer.port' => uri.port
}.merge!(OpenTelemetry::Common::HTTP::ClientContext.attributes)
attributes = {}
attributes.tap do |attrs|
sem_conv.set_http_method(attrs, request_method)
sem_conv.set_http_scheme(attrs, uri.scheme)
sem_conv.set_http_target(attrs, uri.path, uri.query)
sem_conv.set_http_url(attrs, "#{uri.scheme}://#{uri.host}")
sem_conv.set_http_net_peer_name_client(attrs, uri.host)
sem_conv.set_http_peer_port_client(attrs, uri.port)
end

attributes.merge!(OpenTelemetry::Common::HTTP::ClientContext.attributes)

tracer.in_span(span_name, attributes: attributes, kind: :client) do |span|
OpenTelemetry.propagation.inject(req.headers)
Expand All @@ -42,8 +45,11 @@ def annotate_span_with_response!(span, response)
return unless response&.status

status_code = response.status.to_i
span.set_attribute('http.status_code', status_code)
span.status = OpenTelemetry::Trace::Status.error unless (100..399).cover?(status_code.to_i)
sem_conv_status_code = {}
sem_conv.set_http_status_code(sem_conv_status_code, status_code)
span.add_attributes(sem_conv_status_code)

span.status = OpenTelemetry::Trace::Status.error unless (100..399).cover?(status_code)
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end

def create_request_span_name(request_method, request_path)
Expand All @@ -60,6 +66,10 @@ def create_request_span_name(request_method, request_path)
def tracer
HTTP::Instrumentation.instance.tracer
end

def sem_conv
HTTP::Instrumentation.instance.sem_conv
end
end
end
end
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13 changes: 9 additions & 4 deletions instrumentation/http/lib/opentelemetry/instrumentation/http/patches/connection.rb
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Expand Up @@ -11,10 +11,11 @@ module Patches
# Module to prepend to HTTP::Connection for instrumentation
module Connection
def initialize(req, options)
attributes = {
'net.peer.name' => req.uri.host,
'net.peer.port' => req.uri.port
}.merge!(OpenTelemetry::Common::HTTP::ClientContext.attributes)
attributes = {}

sem_conv.set_http_net_peer_name_client(attributes, req.uri.host)
sem_conv.set_http_peer_port_client(attributes, req.uri.port)
attributes.merge!(OpenTelemetry::Common::HTTP::ClientContext.attributes)

tracer.in_span('HTTP CONNECT', attributes: attributes) do
super
Expand All @@ -26,6 +27,10 @@ def initialize(req, options)
def tracer
HTTP::Instrumentation.instance.tracer
end

def sem_conv
HTTP::Instrumentation.instance.sem_conv
end
end
end
end
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1 change: 1 addition & 0 deletions instrumentation/http/opentelemetry-instrumentation-http.gemspec
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Expand Up @@ -27,6 +27,7 @@ Gem::Specification.new do |spec|

spec.add_dependency 'opentelemetry-api', '~> 1.0'
spec.add_dependency 'opentelemetry-instrumentation-base', '~> 0.22.1'
spec.add_dependency 'opentelemetry-semantic_conventions', '>= 1.8.0'

spec.add_development_dependency 'appraisal', '~> 2.5'
spec.add_development_dependency 'bundler', '~> 2.4'
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46 changes: 45 additions & 1 deletion instrumentation/http/test/instrumentation/http/patches/client_test.rb
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Expand Up @@ -20,7 +20,7 @@
end
let(:span_name_formatter) { nil }

before do
def reset
exporter.reset
@orig_propagation = OpenTelemetry.propagation
propagator = OpenTelemetry::Trace::Propagation::TraceContext.text_map_propagator
Expand All @@ -33,6 +33,10 @@
stub_request(:get, 'https://example.com/timeout').to_timeout
end

before do
reset
end

after do
# Force re-install of instrumentation
instrumentation.instance_variable_set(:@installed, false)
Expand Down Expand Up @@ -182,5 +186,45 @@
)
end
end

describe 'Semantic conventions http stability' do
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I get that we're blocked to run the tests on the CI right now without a lot of temporary code since this relies on work that is not yet part of the semantic conventions gem.

Do you have anything that demonstrates the tests passing that we could use for now? Maybe a minitest screenshot?

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Mini screenshoot ◡̈ :
Screenshot 2024-09-16 at 4 22 03 PM

it 'reports stable http attributes when OTEL_SEMCONV_STABILITY_OPT_IN = `http`' do
OpenTelemetry::TestHelpers.with_env('OTEL_SEMCONV_STABILITY_OPT_IN' => 'http') do
reset
HTTP.get('http://example.com/success')

_(exporter.finished_spans.size).must_equal(1)
_(span.name).must_equal 'HTTP GET'
_(span.attributes['http.request.method']).must_equal 'GET'
_(span.attributes['url.scheme']).must_equal 'http'
_(span.attributes['http.response.status_code']).must_equal 200
_(span.attributes['url.path']).must_equal '/success'
_(span.attributes['server.address']).must_equal 'example.com'
_(span.attributes['server.port']).must_equal 80
end
end

it 'reports stable http attributes when OTEL_SEMCONV_STABILITY_OPT_IN = `http/dup`' do
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OpenTelemetry::TestHelpers.with_env('OTEL_SEMCONV_STABILITY_OPT_IN' => 'http/dup') do
reset
HTTP.get('http://example.com/success')

_(exporter.finished_spans.size).must_equal(1)
_(span.name).must_equal 'HTTP GET'
_(span.attributes['http.method']).must_equal 'GET'
_(span.attributes['http.request.method']).must_equal 'GET'
_(span.attributes['http.scheme']).must_equal 'http'
_(span.attributes['url.scheme']).must_equal 'http'
_(span.attributes['http.status_code']).must_equal 200
_(span.attributes['http.response.status_code']).must_equal 200
_(span.attributes['http.target']).must_equal '/success'
_(span.attributes['url.path']).must_equal '/success'
_(span.attributes['net.peer.name']).must_equal 'example.com'
_(span.attributes['server.address']).must_equal 'example.com'
_(span.attributes['net.peer.port']).must_equal 80
_(span.attributes['server.port']).must_equal 80
end
end
end
end
end
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