Contents

#!/usr/bin/env ruby

require 'bundler'
Bundler.setup

require 'zipkin/tracer'

url = ENV['ZIPKIN_URL'] || 'http://localhost:9411'

tracer1 = Zipkin::Tracer.build(url: url, service_name: 'test-service')
tracer2 = Zipkin::Tracer.build(url: url, service_name: 'downstream-service')

outer_span = tracer1.start_span(
  'receive request',
  tags: { 'span.kind' => 'server' }
)
sleep 1

inner_span = tracer1.start_span(
  'fetch info from downstream',
  child_of: outer_span,
  tags: {
    'span.kind' => 'client',
    'peer.service' => 'downstream-service',
    'peer.ipv4' => '6.6.6.6',
    'peer.port' => 443
  }
)
sleep 0.3 # emulate network delay

downstream_span = tracer2.start_span(
  'downstream operation',
  child_of: inner_span,
  tags: { 'span.kind' => 'server' }
)
downstream_span.log_kv(event: 'custom-event')
downstream_span.log_kv(foo: 'bar', baz: 'buz')
sleep 0.5
downstream_span.finish

sleep 0.2 # emulate network delay

inner_span.finish

sleep 0.1 # doing something with fetched info
outer_span.finish

puts 'Finishing...'
sleep 3

tracer1.stop
tracer2.stop

puts 'Finished'

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
zipkin-1.2.0	script/create_trace