mirror of https://github.com/mastodon/mastodon
Add OpenTelemetry instrumentation (#30130)
Co-authored-by: Juliano Costa <juliano.costa@datadoghq.com> Co-authored-by: Robb Kidd <robbkidd@honeycomb.io>pull/30235/head
Renaud Chaput
10 months ago
committed by
GitHub
parent
0d397db5dd
commit
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# frozen_string_literal: true
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# Set OTEL_* environment variables according to OTel docs:
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# https://opentelemetry.io/docs/concepts/sdk-configuration/
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if ENV.keys.any? { |name| name.match?(/OTEL_.*_ENDPOINT/) }
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require 'opentelemetry/sdk'
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require 'opentelemetry/exporter/otlp'
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require 'opentelemetry/instrumentation/active_job'
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require 'opentelemetry/instrumentation/active_model_serializers'
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require 'opentelemetry/instrumentation/concurrent_ruby'
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require 'opentelemetry/instrumentation/excon'
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require 'opentelemetry/instrumentation/faraday'
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require 'opentelemetry/instrumentation/http'
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require 'opentelemetry/instrumentation/http_client'
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require 'opentelemetry/instrumentation/net/http'
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require 'opentelemetry/instrumentation/pg'
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require 'opentelemetry/instrumentation/rack'
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require 'opentelemetry/instrumentation/rails'
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require 'opentelemetry/instrumentation/redis'
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require 'opentelemetry/instrumentation/sidekiq'
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OpenTelemetry::SDK.configure do |c|
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# use_all() attempts to load ALL the auto-instrumentations
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# currently loaded by Ruby requires.
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#
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# Load attempts will emit an INFO or WARN to the console
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# about the success/failure to wire up an auto-instrumentation.
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# "WARN -- : Instrumentation: <X> failed to install" is most
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# likely caused by <X> not being a Ruby library loaded by
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# the application or the instrumentation has been explicitly
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# disabled.
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#
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# To disable an instrumentation, set an environment variable
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# along this pattern:
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#
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# OTEL_RUBY_INSTRUMENTATION_<X>_ENABLED=false
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#
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# For example, PostgreSQL and Redis produce a lot of child spans
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# in the course of this application doing its business. To turn
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# them off, set the env vars below, but recognize that you will
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# be missing details about what particular calls to the
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# datastores are slow.
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#
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# OTEL_RUBY_INSTRUMENTATION_PG_ENABLED=false
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# OTEL_RUBY_INSTRUMENTATION_REDIS_ENABLED=false
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c.use_all({
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'OpenTelemetry::Instrumentation::Rack' => {
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use_rack_events: false, # instead of events, use middleware; allows for untraced_endpoints to ignore child spans
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untraced_endpoints: ['/health'],
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},
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})
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c.service_name = case $PROGRAM_NAME
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when /puma/ then 'mastodon/web'
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else
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"mastodon/#{$PROGRAM_NAME.split('/').last}"
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end
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c.service_version = Mastodon::Version.to_s
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end
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end
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