53 lines
1.4 KiB
Ruby
53 lines
1.4 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module Gitlab
|
|
module Redis
|
|
class HLL
|
|
BATCH_SIZE = 300
|
|
KEY_REGEX = %r{\A(\w|-|:)*\{\w*\}(\w|-|:)*\z}.freeze
|
|
KeyFormatError = Class.new(StandardError)
|
|
|
|
def self.count(params)
|
|
self.new.count(**params)
|
|
end
|
|
|
|
def self.add(params)
|
|
self.new.add(**params)
|
|
end
|
|
|
|
def count(keys:)
|
|
Gitlab::Redis::SharedState.with do |redis|
|
|
redis.pfcount(*keys)
|
|
end
|
|
end
|
|
|
|
# Check a basic format for the Redis key in order to ensure the keys are in the same hash slot
|
|
#
|
|
# Examples of keys
|
|
# project:{1}:set_a
|
|
# project:{1}:set_b
|
|
# project:{2}:set_c
|
|
# 2020-216-{project_action}
|
|
# i_{analytics}_dev_ops_score-2020-32
|
|
def add(key:, value:, expiry:)
|
|
validate_key!(key)
|
|
|
|
Gitlab::Redis::SharedState.with do |redis|
|
|
redis.multi do |multi|
|
|
Array.wrap(value).each_slice(BATCH_SIZE) { |batch| multi.pfadd(key, batch) }
|
|
|
|
multi.expire(key, expiry)
|
|
end
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def validate_key!(key)
|
|
return if KEY_REGEX.match?(key)
|
|
|
|
raise KeyFormatError.new("Invalid key format. #{key} key should have changeable parts in curly braces. See https://docs.gitlab.com/ee/development/redis.html#multi-key-commands")
|
|
end
|
|
end
|
|
end
|
|
end
|