gitlab-org--gitlab-foss/app/services/metrics_service.rb

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require 'prometheus/client/formats/text'
class MetricsService
CHECKS = [
Gitlab::HealthChecks::DbCheck,
Gitlab::HealthChecks::RedisCheck,
Gitlab::HealthChecks::FsShardsCheck
].freeze
def prometheus_metrics_text
Prometheus::Client::Formats::Text.marshal_multiprocess(multiprocess_metrics_path)
end
def health_metrics_text
metrics = CHECKS.flat_map(&:metrics)
formatter.marshal(metrics)
end
def metrics_text
"#{health_metrics_text}#{prometheus_metrics_text}"
end
private
def formatter
@formatter ||= Gitlab::HealthChecks::PrometheusTextFormat.new
end
def multiprocess_metrics_path
@multiprocess_metrics_path ||= Rails.root.join(ENV['prometheus_multiproc_dir']).freeze
end
end