41 lines
1.1 KiB
Ruby
41 lines
1.1 KiB
Ruby
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# frozen_string_literal: true
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module Gitlab
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module Graphql
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module Tracers
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# This graphql-ruby tracer sets up `ApplicationContext` for certain operations.
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class ApplicationContextTracer
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def self.use(schema)
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schema.tracer(self.new)
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end
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# See docs on expected interface for trace
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# https://graphql-ruby.org/api-doc/1.12.17/GraphQL/Tracing
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def trace(key, data)
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case key
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when "execute_query"
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operation = known_operation(data)
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::Gitlab::ApplicationContext.with_context(caller_id: operation.to_caller_id) do
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yield
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end
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else
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yield
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end
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end
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private
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def known_operation(data)
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# The library guarantees that we should have :query for execute_query, but we're being defensive here
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query = data.fetch(:query, nil)
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return ::Gitlab::Graphql::KnownOperations.UNKNOWN unless query
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::Gitlab::Graphql::KnownOperations.default.from_query(query)
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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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