45 lines
1.2 KiB
Ruby
45 lines
1.2 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module Gitlab
|
|
module Prometheus
|
|
module AdditionalMetricsParser
|
|
CONFIG_ROOT = 'config/prometheus'
|
|
MUTEX = Mutex.new
|
|
extend self
|
|
|
|
def load_groups_from_yaml(file_name)
|
|
yaml_metrics_raw(file_name).map(&method(:group_from_entry))
|
|
end
|
|
|
|
private
|
|
|
|
def validate!(obj)
|
|
raise ParsingError.new(obj.errors.full_messages.join('\n')) unless obj.valid?
|
|
end
|
|
|
|
def group_from_entry(entry)
|
|
entry[:name] = entry.delete(:group)
|
|
entry[:metrics]&.map! do |entry|
|
|
Metric.new(entry).tap(&method(:validate!))
|
|
end
|
|
|
|
MetricGroup.new(entry).tap(&method(:validate!))
|
|
end
|
|
|
|
def yaml_metrics_raw(file_name)
|
|
load_yaml_file(file_name)&.map(&:deep_symbolize_keys).freeze
|
|
end
|
|
|
|
# rubocop:disable Gitlab/ModuleWithInstanceVariables
|
|
def load_yaml_file(file_name)
|
|
return YAML.load_file(Rails.root.join(CONFIG_ROOT, file_name)) if Rails.env.development?
|
|
|
|
MUTEX.synchronize do
|
|
@loaded_yaml_cache ||= {}
|
|
@loaded_yaml_cache[file_name] ||= YAML.load_file(Rails.root.join(CONFIG_ROOT, file_name))
|
|
end
|
|
end
|
|
# rubocop:enable Gitlab/ModuleWithInstanceVariables
|
|
end
|
|
end
|
|
end
|