open telemetry w/ Ruby

Transcript

1. OpenTelemetry with Ruby
   @kyanagimoto
   Jaeger also
   
   
   9th Feb, 2021 Nikotama.rb #15
   

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2. OpenTelemetry?
   • CNCF project
   
   
   • OpenCensus + OpenTracing
   
   
   • Observability
   
   
   • Traces, Metrics, Logs
   

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3. “Let’s create sample project!”
   

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4. docker run —rm -d --name jaeger \
   
   
   -p 5775:5775/udp \
   
   
   -p 6831:6831/udp \
   
   
   -p 6832:6832/udp \
   
   
   -p 5778:5778 \
   
   
   -p 16686:16686 \
   
   
   -p 14268:14268 \
   
   
   -p 14250:14250 \
   
   
   -p 9411:9411 \
   
   
   jaegertracing/all-in-one:1.21
   Port meanings: https://www.jaegertracing.io/docs/1.21/getting-started/#all-in-one
   

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5. Demo App
   https://guides.rubyonrails.org/getting_started.html
   

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6. Gem
   f
   ile
   
   
   gem 'opentelemetry-sdk'
   
   
   gem 'opentelemetry-exporter-jaeger'
   
   
   gem 'opentelemetry-instrumentation-mysql2'
   
   
   gem 'opentelemetry-instrumentation-rails'
   

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7. con
   f
   ig/application.rb
   
   
   require_relative "boot"
   
   
   require "rails/all"
   
   
   require 'opentelemetry/sdk'
   
   
   require ‘opentelemetry/exporter/jaeger'
   
   
   # Require the gems listed in Gem
   f
   ile, including any gems
   
   
   # you've limited to :test, :development, or :production.
   
   
   Bundler.require(*Rails.groups)
   
   
   OpenTelemetry::SDK.con
   f
   igure do |c|
   
   
   c.use_all
   
   
   c.add_span_processor(
   
   
   OpenTelemetry::SDK::Trace::Export::BatchSpanProcessor.new(
   
   
   exporter: OpenTelemetry::Exporter::Jaeger::AgentExporter.new(host: '0.0.0.0', port: 6831)
   
   
   )
   
   
   )
   
   
   c.service_name = 'sample-app'
   
   
   c.service_version = '0.0.1'
   
   
   end
   
   
   module RailsSample
   
   
   class Application < Rails::Application
   
   
   # Initialize con
   f
   iguration defaults for originally generated Rails version.
   
   
   con
   f
   ig.load_defaults 6.1
   
   
   # Con
   f
   iguration for the application, engines, and railties goes here.
   
   
   #
   
   
   # These settings can be overridden in speci
   f
   ic environments using the
   f
   iles
   
   
   # in con
   f
   ig/environments, which are processed later.
   
   
   #
   
   f
   
   

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8. Let’s access
   
   
   http://localhost:16686/trace
   

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9. View Slide