Class: Gitlab::Middleware::RailsQueueDuration
- Inherits:
-
Object
- Object
- Gitlab::Middleware::RailsQueueDuration
- Defined in:
- lib/gitlab/middleware/rails_queue_duration.rb
Constant Summary collapse
- GITLAB_RAILS_QUEUE_DURATION_KEY =
'GITLAB_RAILS_QUEUE_DURATION'
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(app) ⇒ RailsQueueDuration
constructor
A new instance of RailsQueueDuration.
Constructor Details
#initialize(app) ⇒ RailsQueueDuration
Returns a new instance of RailsQueueDuration.
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# File 'lib/gitlab/middleware/rails_queue_duration.rb', line 12 def initialize(app) @app = app end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/gitlab/middleware/rails_queue_duration.rb', line 16 def call(env) trans = Gitlab::Metrics.current_transaction proxy_start = env['HTTP_GITLAB_WORKHORSE_PROXY_START'].presence if trans && proxy_start # Time in milliseconds since gitlab-workhorse started the request duration = Time.now.to_f * 1_000 - proxy_start.to_f / 1_000_000 trans.set(:gitlab_transaction_rails_queue_duration_total, duration) do multiprocess_mode :livesum end duration_s = Gitlab::Utils.ms_to_round_sec(duration) trans.observe(:gitlab_rails_queue_duration_seconds, duration_s) do docstring 'Measures latency between GitLab Workhorse forwarding a request to Rails' end env[GITLAB_RAILS_QUEUE_DURATION_KEY] = duration_s end @app.call(env) end |