mirror of
https://github.com/mastodon/mastodon.git
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71 lines
2.9 KiB
Ruby
71 lines
2.9 KiB
Ruby
# 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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'OpenTelemetry::Instrumentation::Sidekiq' => {
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span_naming: :job_class, # Use the job class as the span name, otherwise this is the queue name and not very helpful
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},
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})
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prefix = ENV.fetch('OTEL_SERVICE_NAME_PREFIX', 'mastodon')
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separator = ENV.fetch('OTEL_SERVICE_NAME_SEPARATOR', '/')
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c.service_name = case $PROGRAM_NAME
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when /puma/ then "#{prefix}#{separator}web"
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else
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"#{prefix}#{separator}#{$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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MastodonOTELTracer = OpenTelemetry.tracer_provider.tracer('mastodon')
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