Class: Gitlab::EtagCaching::Store

Inherits:
Object
  • Object
show all
Defined in:
lib/gitlab/etag_caching/store.rb

Constant Summary collapse

InvalidKeyError = 
Class.new(StandardError)
EXPIRY_TIME = 
20.minutes
SHARED_STATE_NAMESPACE = 
'etag:'

Instance Method Summary collapse

Instance Method Details

#get(key) ⇒ Object 



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# File 'lib/gitlab/etag_caching/store.rb', line 11

def get(key)
  with_redis { |redis| redis.get(redis_shared_state_key(key)) }
end

#touch(*keys, only_if_missing: false) ⇒ Object 



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# File 'lib/gitlab/etag_caching/store.rb', line 15

def touch(*keys, only_if_missing: false)
  etags = keys.map { generate_etag }

  Gitlab::Instrumentation::RedisClusterValidator.allow_cross_slot_commands do
    with_redis do |redis|
      redis.pipelined do |pipeline|
        keys.each_with_index do |key, i|
          pipeline.set(redis_shared_state_key(key), etags[i], ex: EXPIRY_TIME, nx: only_if_missing)
        end
      end
    end
  end

  keys.size > 1 ? etags : etags.first
end