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