51 lines
1.5 KiB
Ruby
51 lines
1.5 KiB
Ruby
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# frozen_string_literal: true
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module Gitlab
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module Ci
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class YamlProcessor
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module FeatureFlags
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ACTOR_KEY = 'ci_yaml_processor_feature_flag_actor'
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NO_ACTOR_VALUE = :no_actor
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NoActorError = Class.new(StandardError)
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NO_ACTOR_MESSAGE = "Actor not set. Ensure to call `enabled?` inside `with_actor` block"
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class << self
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# Cache a feature flag actor as thread local variable so
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# we can have it available later with #enabled?
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def with_actor(actor)
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previous = Thread.current[ACTOR_KEY]
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# When actor is `nil` the method `Thread.current[]=` does not
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# create the ACTOR_KEY. Instead, we want to still save an explicit
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# value to know that we are within the `with_actor` block.
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Thread.current[ACTOR_KEY] = actor || NO_ACTOR_VALUE
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yield
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ensure
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Thread.current[ACTOR_KEY] = previous
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end
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# Use this to check if a feature flag is enabled
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def enabled?(feature_flag)
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::Feature.enabled?(feature_flag, current_actor)
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end
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private
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def current_actor
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value = Thread.current[ACTOR_KEY] || (raise NoActorError, NO_ACTOR_MESSAGE)
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return if value == NO_ACTOR_VALUE
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value
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rescue NoActorError => e
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Gitlab::ErrorTracking.track_and_raise_for_dev_exception(e)
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nil
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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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