114 lines
4.3 KiB
Ruby
114 lines
4.3 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Graphql
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module QueryAnalyzers
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module AST
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class LoggerAnalyzer < GraphQL::Analysis::AST::Analyzer
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COMPLEXITY_ANALYZER = GraphQL::Analysis::AST::QueryComplexity
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DEPTH_ANALYZER = GraphQL::Analysis::AST::QueryDepth
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FIELD_USAGE_ANALYZER = GraphQL::Analysis::AST::FieldUsage
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ALL_ANALYZERS = [COMPLEXITY_ANALYZER, DEPTH_ANALYZER, FIELD_USAGE_ANALYZER].freeze
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FILTER_PARAMETERS = (::Rails.application.config.filter_parameters + [/password/i]).freeze
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def initialize(query)
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super
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@results = default_initial_values(query).merge({
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time_started: Gitlab::Metrics::System.monotonic_time
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})
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rescue StandardError => e
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Gitlab::ErrorTracking.track_and_raise_for_dev_exception(e)
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@results = default_initial_values(query_or_multiplex)
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end
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def result
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# In its most general form, .analyze_query returns one of the
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# following:
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#
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# - An array with one result per analyzer, in the order they were
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# provided, but only the ones where #analyze? returned true prior
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# to analysis.
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#
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# - [GraphQL::AnalysisError] if the analysis times out
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#
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# - [] if an authorization error is raised
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#
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# For our analyzers, #analyze? is always true, so we can assume that
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# there are always three valid results, one error, no results at all
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# (we probably always have results, but we might as well be robust
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# to that case).
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complexity_or_error, depth, field_usages =
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GraphQL::Analysis::AST.analyze_query(@subject, ALL_ANALYZERS, multiplex_analyzers: [])
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case complexity_or_error
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when Integer
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results[:complexity] = complexity_or_error
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when GraphQL::AnalysisError
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results[:analysis_error] = complexity_or_error.message
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end
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field_usages ||= {} # in the zero or one result case, field_usages needs a sensible default
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results[:depth] = depth
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# This duration is not the execution time of the
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# query but the execution time of the analyzer.
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results[:duration_s] = duration(results[:time_started])
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results[:used_fields] = field_usages[:used_fields]
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results[:used_deprecated_fields] = field_usages[:used_deprecated_fields]
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results[:used_deprecated_arguments] = field_usages[:used_deprecated_arguments]
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push_to_request_store(results)
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# This gl_analysis is included in the tracer log
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query.context[:gl_analysis] = results.except!(:time_started, :query)
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rescue StandardError => e
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Gitlab::ErrorTracking.track_and_raise_for_dev_exception(e)
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end
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private
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attr_reader :results
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def push_to_request_store(results)
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query = @subject
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# TODO: This RequestStore management is used to handle setting request wide metadata
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# to improve preexisting logging. We should handle this either with ApplicationContext
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# or in a separate tracer.
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# https://gitlab.com/gitlab-org/gitlab/-/issues/343802
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RequestStore.store[:graphql_logs] ||= []
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RequestStore.store[:graphql_logs] << results.except(:time_started, :duration_s).merge({
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variables: process_variables(query.provided_variables),
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operation_name: query.operation_name
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})
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end
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def process_variables(variables)
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filtered_variables = filter_sensitive_variables(variables)
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filtered_variables.try(:to_s) || filtered_variables
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end
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def filter_sensitive_variables(variables)
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ActiveSupport::ParameterFilter
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.new(FILTER_PARAMETERS)
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.filter(variables)
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end
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def duration(time_started)
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Gitlab::Metrics::System.monotonic_time - time_started
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end
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def default_initial_values(query)
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{
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time_started: Gitlab::Metrics::System.monotonic_time,
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duration_s: nil
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}
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end
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end
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end
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end
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end
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end
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