debian-mirror-gitlab/lib/gitlab/graphql/query_analyzers/ast/logger_analyzer.rb
2022-07-29 14:03:07 +02:00

88 lines
3.1 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Graphql
module QueryAnalyzers
module AST
class LoggerAnalyzer < GraphQL::Analysis::AST::Analyzer
COMPLEXITY_ANALYZER = GraphQL::Analysis::AST::QueryComplexity
DEPTH_ANALYZER = GraphQL::Analysis::AST::QueryDepth
FIELD_USAGE_ANALYZER = GraphQL::Analysis::AST::FieldUsage
ALL_ANALYZERS = [COMPLEXITY_ANALYZER, DEPTH_ANALYZER, FIELD_USAGE_ANALYZER].freeze
def initialize(query)
super
@results = default_initial_values(query).merge({
time_started: Gitlab::Metrics::System.monotonic_time
})
rescue StandardError => e
Gitlab::ErrorTracking.track_and_raise_for_dev_exception(e)
@results = default_initial_values(query_or_multiplex)
end
def result
complexity, depth, field_usages =
GraphQL::Analysis::AST.analyze_query(@subject, ALL_ANALYZERS, multiplex_analyzers: [])
results[:depth] = depth
results[:complexity] = complexity
# This duration is not the execution time of the
# query but the execution time of the analyzer.
results[:duration_s] = duration(results[:time_started])
results[:used_fields] = field_usages[:used_fields]
results[:used_deprecated_fields] = field_usages[:used_deprecated_fields]
push_to_request_store(results)
# This gl_analysis is included in the tracer log
query.context[:gl_analysis] = results.except!(:time_started, :query)
rescue StandardError => e
Gitlab::ErrorTracking.track_and_raise_for_dev_exception(e)
end
private
attr_reader :results
def push_to_request_store(results)
query = @subject
# TODO: This RequestStore management is used to handle setting request wide metadata
# to improve preexisting logging. We should handle this either with ApplicationContext
# or in a separate tracer.
# https://gitlab.com/gitlab-org/gitlab/-/issues/343802
RequestStore.store[:graphql_logs] ||= []
RequestStore.store[:graphql_logs] << results.except(:time_started, :duration_s).merge({
variables: process_variables(query.provided_variables),
operation_name: query.operation_name
})
end
def process_variables(variables)
filtered_variables = filter_sensitive_variables(variables)
filtered_variables.try(:to_s) || filtered_variables
end
def filter_sensitive_variables(variables)
ActiveSupport::ParameterFilter
.new(::Rails.application.config.filter_parameters)
.filter(variables)
end
def duration(time_started)
Gitlab::Metrics::System.monotonic_time - time_started
end
def default_initial_values(query)
{
time_started: Gitlab::Metrics::System.monotonic_time,
duration_s: nil
}
end
end
end
end
end
end