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Contents
# frozen_string_literal: true
module Switchman
module ActiveSupport
module Cache
module ClassMethods
def lookup_stores(cache_store_config)
result = {}
cache_store_config.each do |key, value|
next if value.is_a?(String)
result[key] = ::ActiveSupport::Cache.lookup_store(value)
end
cache_store_config.each do |key, value| # rubocop:disable Style/CombinableLoops
next unless value.is_a?(String)
result[key] = result[value]
end
result
end
def lookup_store(*store_options)
store = super
# can't use defined?, because it's a _ruby_ autoloaded constant,
# so just checking that will cause it to get required
::ActiveSupport::Cache::RedisCacheStore.prepend(RedisCacheStore) if store.instance_of?(ActiveSupport::Cache::RedisCacheStore) && !::ActiveSupport::Cache::RedisCacheStore.ancestors.include?(RedisCacheStore)
store.options[:namespace] ||= -> { Shard.current.default? ? nil : "shard_#{Shard.current.id}" }
store
end
end
module RedisCacheStore
def clear(namespace: nil, **)
# RedisCacheStore tries to be smart and only clear the cache under your namespace, if you have one set
# unfortunately, it uses the keys command, which is extraordinarily inefficient in a large redis instance
# fortunately, we can assume we control the entire instance, because we set up the namespacing, so just
# always unset it temporarily for clear calls
namespace = nil # rubocop:disable Lint/ShadowedArgument
super
end
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems