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# frozen_string_literal: true
module Feature
class Gitaly
PREFIX = "gitaly_"
# Wrapper for feature flag actor to avoid unnecessarily SQL queries
class ActorWrapper
def initialize(klass, id)
@klass = klass
@id = id
end
def flipper_id
"#{@klass.name}:#{@id}"
end
end
class << self
def enabled_for_any?(feature_flag, *actors)
return false unless Feature::FlipperFeature.table_exists?
actors = actors.compact
return Feature.enabled?(feature_flag, type: :undefined, default_enabled_if_undefined: false) if actors.empty?
actors.any? do |actor|
Feature.enabled?(feature_flag, actor, type: :undefined, default_enabled_if_undefined: false)
end
rescue ActiveRecord::NoDatabaseError, PG::ConnectionBad
false
end
def server_feature_flags(repository: nil, user: nil, project: nil, group: nil)
# We need to check that both the DB connection and table exists
return {} unless FlipperFeature.database.cached_table_exists?
# The order of actors here is significant. Percentage-based actor selection may not work as expected if this
# order changes. We want repository actor to take highest precedence.
actors = [repository, user, project, group].compact
Feature.persisted_names
.select { |f| f.start_with?(PREFIX) }
.to_h do |f|
["gitaly-feature-#{f.delete_prefix(PREFIX).tr('_', '-')}", enabled_for_any?(f, *actors).to_s]
end
end
def user_actor(user = nil)
return ::Feature::Gitaly::ActorWrapper.new(::User, user.id) if user.is_a?(::User)
user_id = Gitlab::ApplicationContext.current_context_attribute(:user_id)
::Feature::Gitaly::ActorWrapper.new(::User, user_id) if user_id
end
def project_actor(container)
::Feature::Gitaly::ActorWrapper.new(::Project, container.id) if container.is_a?(::Project)
end
def group_actor(container)
::Feature::Gitaly::ActorWrapper.new(::Group, container.namespace_id) if container.is_a?(::Project)
end
end
end
end
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