gitlab-org--gitlab-foss/config/initializers/tracing.rb
Andrew Newdigate d022ce8655 Add OpenTracing instrumentation for Action View Render events
This change adds three new instrumentations, driven through rails
notifications: render_template.action_view,
render_collection.action_view and render_partial.action_view.

These can help developers understand why renders are taking a long
time which may in turn help them to improve their performance.
2019-01-30 13:38:19 +02:00

37 lines
1.2 KiB
Ruby

# frozen_string_literal: true
if Gitlab::Tracing.enabled?
require 'opentracing'
Rails.application.configure do |config|
config.middleware.insert_after Gitlab::Middleware::CorrelationId, ::Gitlab::Tracing::RackMiddleware
end
# Instrument the Sidekiq client
Sidekiq.configure_client do |config|
config.client_middleware do |chain|
chain.add Gitlab::Tracing::Sidekiq::ClientMiddleware
end
end
# Instrument Sidekiq server calls when running Sidekiq server
if Sidekiq.server?
Sidekiq.configure_server do |config|
config.server_middleware do |chain|
chain.add Gitlab::Tracing::Sidekiq::ServerMiddleware
end
end
end
# Instrument Rails
Gitlab::Tracing::Rails::ActiveRecordSubscriber.instrument
Gitlab::Tracing::Rails::ActionViewSubscriber.instrument
# In multi-processed clustered architectures (puma, unicorn) don't
# start tracing until the worker processes are spawned. This works
# around issues when the opentracing implementation spawns threads
Gitlab::Cluster::LifecycleEvents.on_worker_start do
tracer = Gitlab::Tracing::Factory.create_tracer(Gitlab.process_name, Gitlab::Tracing.connection_string)
OpenTracing.global_tracer = tracer if tracer
end
end