gitlab-org--gitlab-foss/metrics_server/metrics_server.rb

41 lines
1 KiB
Ruby

# frozen_string_literal: true
require_relative '../config/bundler_setup'
require_relative 'dependencies'
class MetricsServer # rubocop:disable Gitlab/NamespacedClass
class << self
def spawn(target, gitlab_config: nil)
cmd = "#{Rails.root}/bin/metrics-server"
env = {
'METRICS_SERVER_TARGET' => target,
'GITLAB_CONFIG' => gitlab_config
}
Process.spawn(env, cmd, err: $stderr, out: $stdout).tap do |pid|
Process.detach(pid)
end
end
end
def initialize(target, metrics_dir)
@target = target
@metrics_dir = metrics_dir
end
def start
::Prometheus::Client.configure do |config|
config.multiprocess_files_dir = @metrics_dir
end
FileUtils.mkdir_p(@metrics_dir, mode: 0700)
::Prometheus::CleanupMultiprocDirService.new.execute
settings = Settings.monitoring.sidekiq_exporter
exporter_class = "Gitlab::Metrics::Exporter::#{@target.camelize}Exporter".constantize
server = exporter_class.instance(settings, synchronous: true)
server.start
end
end