blob: a304f861db8fb77a8a19d8103144ebba5f318c89 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
# frozen_string_literal: true
require 'prometheus/client'
# Keep separate directories for separate processes
def prometheus_default_multiproc_dir
return unless Rails.env.development? || Rails.env.test?
if Gitlab::Runtime.sidekiq?
Rails.root.join('tmp/prometheus_multiproc_dir/sidekiq')
elsif Gitlab::Runtime.unicorn?
Rails.root.join('tmp/prometheus_multiproc_dir/unicorn')
elsif Gitlab::Runtime.puma?
Rails.root.join('tmp/prometheus_multiproc_dir/puma')
else
Rails.root.join('tmp/prometheus_multiproc_dir')
end
end
Prometheus::Client.configure do |config|
config.logger = Gitlab::AppLogger
config.initial_mmap_file_size = 4 * 1024
config.multiprocess_files_dir = ENV['prometheus_multiproc_dir'] || prometheus_default_multiproc_dir
config.pid_provider = Prometheus::PidProvider.method(:worker_id)
end
Gitlab::Application.configure do |config|
# 0 should be Sentry to catch errors in this middleware
config.middleware.insert(1, Gitlab::Metrics::RequestsRackMiddleware)
end
Sidekiq.configure_server do |config|
config.on(:startup) do
# Do not clean the metrics directory here - the supervisor script should
# have already taken care of that
Gitlab::Metrics::Exporter::SidekiqExporter.instance.start
end
end
if !Rails.env.test? && Gitlab::Metrics.prometheus_metrics_enabled?
# When running Puma in a Single mode, `on_master_start` and `on_worker_start` are the same.
# Thus, we order these events to run `reinitialize_on_pid_change` with `force: true` first.
Gitlab::Cluster::LifecycleEvents.on_master_start do
# Ensure that stale Prometheus metrics don't accumulate over time
Prometheus::CleanupMultiprocDirService.new.execute
::Prometheus::Client.reinitialize_on_pid_change(force: true)
if Gitlab::Runtime.unicorn?
Gitlab::Metrics::Samplers::UnicornSampler.instance(Settings.monitoring.unicorn_sampler_interval).start
elsif Gitlab::Runtime.puma?
Gitlab::Metrics::Samplers::PumaSampler.instance.start
end
Gitlab::Metrics.gauge(:deployments, 'GitLab Version', {}, :max).set({ version: Gitlab::VERSION }, 1)
unless Gitlab::Runtime.sidekiq?
Gitlab::Metrics::RequestsRackMiddleware.initialize_metrics
end
Gitlab::Ci::Parsers.instrument!
rescue IOError => e
Gitlab::ErrorTracking.track_exception(e)
Gitlab::Metrics.error_detected!
end
Gitlab::Cluster::LifecycleEvents.on_worker_start do
defined?(::Prometheus::Client.reinitialize_on_pid_change) && Prometheus::Client.reinitialize_on_pid_change
Gitlab::Metrics::Samplers::RubySampler.initialize_instance.start
Gitlab::Metrics::Samplers::DatabaseSampler.initialize_instance.start
Gitlab::Metrics::Samplers::ThreadsSampler.initialize_instance.start
if Gitlab::Runtime.action_cable?
Gitlab::Metrics::Samplers::ActionCableSampler.instance.start
end
if Gitlab.ee? && Gitlab::Runtime.sidekiq?
Gitlab::Metrics::Samplers::GlobalSearchSampler.instance.start
end
Gitlab::Ci::Parsers.instrument!
rescue IOError => e
Gitlab::ErrorTracking.track_exception(e)
Gitlab::Metrics.error_detected!
end
end
if Gitlab::Runtime.web_server?
Gitlab::Cluster::LifecycleEvents.on_master_start do
Gitlab::Metrics::Exporter::WebExporter.instance.start
end
# DEPRECATED: TO BE REMOVED
# This is needed to implement blackout period of `web_exporter`
# https://gitlab.com/gitlab-org/gitlab/issues/35343#note_238479057
Gitlab::Cluster::LifecycleEvents.on_before_blackout_period do
Gitlab::Metrics::Exporter::WebExporter.instance.mark_as_not_running!
end
Gitlab::Cluster::LifecycleEvents.on_before_graceful_shutdown do
# We need to ensure that before we re-exec or shutdown server
# we do stop the exporter
Gitlab::Metrics::Exporter::WebExporter.instance.stop
end
Gitlab::Cluster::LifecycleEvents.on_before_master_restart do
# We need to ensure that before we re-exec server
# we do stop the exporter
#
# We do it again, for being extra safe,
# but it should not be needed
Gitlab::Metrics::Exporter::WebExporter.instance.stop
end
Gitlab::Cluster::LifecycleEvents.on_worker_start do
# The `#close_on_exec=` takes effect only on `execve`
# but this does not happen for Ruby fork
#
# This does stop server, as it is running on master.
Gitlab::Metrics::Exporter::WebExporter.instance.stop
end
end
|
