debian-mirror-gitlab/lib/gitlab/usage/metrics/aggregates/aggregate.rb
2021-06-08 01:23:25 +05:30

112 lines
5 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Usage
module Metrics
module Aggregates
UNION_OF_AGGREGATED_METRICS = 'OR'
INTERSECTION_OF_AGGREGATED_METRICS = 'AND'
ALLOWED_METRICS_AGGREGATIONS = [UNION_OF_AGGREGATED_METRICS, INTERSECTION_OF_AGGREGATED_METRICS].freeze
AGGREGATED_METRICS_PATH = Rails.root.join('config/metrics/aggregates/*.yml')
AggregatedMetricError = Class.new(StandardError)
UnknownAggregationOperator = Class.new(AggregatedMetricError)
UnknownAggregationSource = Class.new(AggregatedMetricError)
DisallowedAggregationTimeFrame = Class.new(AggregatedMetricError)
DATABASE_SOURCE = 'database'
REDIS_SOURCE = 'redis'
SOURCES = {
DATABASE_SOURCE => Sources::PostgresHll,
REDIS_SOURCE => Sources::RedisHll
}.freeze
class Aggregate
delegate :weekly_time_range,
:monthly_time_range,
to: Gitlab::UsageDataCounters::HLLRedisCounter
def initialize(recorded_at)
@aggregated_metrics = load_metrics(AGGREGATED_METRICS_PATH)
@recorded_at = recorded_at
end
def all_time_data
aggregated_metrics_data(start_date: nil, end_date: nil, time_frame: Gitlab::Utils::UsageData::ALL_TIME_TIME_FRAME_NAME)
end
def monthly_data
aggregated_metrics_data(**monthly_time_range.merge(time_frame: Gitlab::Utils::UsageData::TWENTY_EIGHT_DAYS_TIME_FRAME_NAME))
end
def weekly_data
aggregated_metrics_data(**weekly_time_range.merge(time_frame: Gitlab::Utils::UsageData::SEVEN_DAYS_TIME_FRAME_NAME))
end
private
attr_accessor :aggregated_metrics, :recorded_at
def aggregated_metrics_data(start_date:, end_date:, time_frame:)
aggregated_metrics.each_with_object({}) do |aggregation, data|
next if aggregation[:feature_flag] && Feature.disabled?(aggregation[:feature_flag], default_enabled: :yaml, type: :development)
next unless aggregation[:time_frame].include?(time_frame)
case aggregation[:source]
when REDIS_SOURCE
if time_frame == Gitlab::Utils::UsageData::ALL_TIME_TIME_FRAME_NAME
data[aggregation[:name]] = Gitlab::Utils::UsageData::FALLBACK
Gitlab::ErrorTracking
.track_and_raise_for_dev_exception(
DisallowedAggregationTimeFrame.new("Aggregation time frame: 'all' is not allowed for aggregation with source: '#{REDIS_SOURCE}'")
)
else
data[aggregation[:name]] = calculate_count_for_aggregation(aggregation: aggregation, start_date: start_date, end_date: end_date)
end
when DATABASE_SOURCE
next unless Feature.enabled?('database_sourced_aggregated_metrics', default_enabled: false, type: :development)
data[aggregation[:name]] = calculate_count_for_aggregation(aggregation: aggregation, start_date: start_date, end_date: end_date)
else
Gitlab::ErrorTracking
.track_and_raise_for_dev_exception(UnknownAggregationSource.new("Aggregation source: '#{aggregation[:source]}' must be included in #{SOURCES.keys}"))
data[aggregation[:name]] = Gitlab::Utils::UsageData::FALLBACK
end
end
end
def calculate_count_for_aggregation(aggregation:, start_date:, end_date:)
source = SOURCES[aggregation[:source]]
case aggregation[:operator]
when UNION_OF_AGGREGATED_METRICS
source.calculate_metrics_union(metric_names: aggregation[:events], start_date: start_date, end_date: end_date, recorded_at: recorded_at)
when INTERSECTION_OF_AGGREGATED_METRICS
source.calculate_metrics_intersections(metric_names: aggregation[:events], start_date: start_date, end_date: end_date, recorded_at: recorded_at)
else
Gitlab::ErrorTracking
.track_and_raise_for_dev_exception(UnknownAggregationOperator.new("Events should be aggregated with one of operators #{ALLOWED_METRICS_AGGREGATIONS}"))
Gitlab::Utils::UsageData::FALLBACK
end
rescue Gitlab::UsageDataCounters::HLLRedisCounter::EventError, AggregatedMetricError => error
Gitlab::ErrorTracking.track_and_raise_for_dev_exception(error)
Gitlab::Utils::UsageData::FALLBACK
end
def load_metrics(wildcard)
Dir[wildcard].each_with_object([]) do |path, metrics|
metrics.push(*load_yaml_from_path(path))
end
end
def load_yaml_from_path(path)
YAML.safe_load(File.read(path), aliases: true)&.map(&:with_indifferent_access)
end
end
end
end
end
end
Gitlab::Usage::Metrics::Aggregates::Aggregate.prepend_mod_with('Gitlab::Usage::Metrics::Aggregates::Aggregate')