48 lines
1.6 KiB
Ruby
48 lines
1.6 KiB
Ruby
module Gitlab
|
|
module Metrics
|
|
class UnicornSampler < BaseSampler
|
|
def initialize(interval)
|
|
super(interval)
|
|
end
|
|
|
|
def unicorn_active_connections
|
|
@unicorn_active_connections ||= Gitlab::Metrics.gauge(:unicorn_active_connections, 'Unicorn active connections', {}, :max)
|
|
end
|
|
|
|
def unicorn_queued_connections
|
|
@unicorn_queued_connections ||= Gitlab::Metrics.gauge(:unicorn_queued_connections, 'Unicorn queued connections', {}, :max)
|
|
end
|
|
|
|
def enabled?
|
|
# Raindrops::Linux.tcp_listener_stats is only present on Linux
|
|
unicorn_with_listeners? && Raindrops::Linux.respond_to?(:tcp_listener_stats)
|
|
end
|
|
|
|
def sample
|
|
Raindrops::Linux.tcp_listener_stats(tcp_listeners).each do |addr, stats|
|
|
unicorn_active_connections.set({ type: 'tcp', address: addr }, stats.active)
|
|
unicorn_queued_connections.set({ type: 'tcp', address: addr }, stats.queued)
|
|
end
|
|
|
|
Raindrops::Linux.unix_listener_stats(unix_listeners).each do |addr, stats|
|
|
unicorn_active_connections.set({ type: 'unix', address: addr }, stats.active)
|
|
unicorn_queued_connections.set({ type: 'unix', address: addr }, stats.queued)
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def tcp_listeners
|
|
@tcp_listeners ||= Unicorn.listener_names.grep(%r{\A[^/]+:\d+\z})
|
|
end
|
|
|
|
def unix_listeners
|
|
@unix_listeners ||= Unicorn.listener_names - tcp_listeners
|
|
end
|
|
|
|
def unicorn_with_listeners?
|
|
defined?(Unicorn) && Unicorn.listener_names.any?
|
|
end
|
|
end
|
|
end
|
|
end
|