94 lines
2.4 KiB
Ruby
94 lines
2.4 KiB
Ruby
# This file should not have any direct dependency on Rails environment
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# please require all dependencies below:
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require 'active_support/core_ext/hash/keys'
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module Gitlab
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class Redis
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CACHE_NAMESPACE = 'cache:gitlab'
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SESSION_NAMESPACE = 'session:gitlab'
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SIDEKIQ_NAMESPACE = 'resque:gitlab'
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MAILROOM_NAMESPACE = 'mail_room:gitlab'
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DEFAULT_REDIS_URL = 'redis://localhost:6379'
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# To be thread-safe we must be careful when writing the class instance
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# variables @url and @pool. Because @pool depends on @url we need two
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# mutexes to prevent deadlock.
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PARAMS_MUTEX = Mutex.new
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POOL_MUTEX = Mutex.new
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private_constant :PARAMS_MUTEX, :POOL_MUTEX
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class << self
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def params
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@params || PARAMS_MUTEX.synchronize { @params = new.params }
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end
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# @deprecated Use .params instead to get sentinel support
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def url
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new.url
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end
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def with
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if @pool.nil?
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POOL_MUTEX.synchronize do
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@pool = ConnectionPool.new { ::Redis.new(params) }
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end
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end
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@pool.with { |redis| yield redis }
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end
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def reset_params!
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@params = nil
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end
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end
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def initialize(rails_env = nil)
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@rails_env = rails_env || ::Rails.env
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end
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def params
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redis_store_options
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end
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def url
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raw_config_hash[:url]
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end
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private
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def redis_store_options
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config = raw_config_hash
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redis_url = config.delete(:url)
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redis_uri = URI.parse(redis_url)
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if redis_uri.scheme == 'unix'
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# Redis::Store does not handle Unix sockets well, so let's do it for them
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config[:path] = redis_uri.path
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config
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else
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redis_hash = ::Redis::Store::Factory.extract_host_options_from_uri(redis_url)
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# order is important here, sentinels must be after the connection keys.
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# {url: ..., port: ..., sentinels: [...]}
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redis_hash.merge(config)
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end
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end
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def raw_config_hash
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config_data = fetch_config
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if config_data
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config_data.is_a?(String) ? { url: config_data } : config_data.deep_symbolize_keys
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else
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{ url: DEFAULT_REDIS_URL }
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end
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end
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def fetch_config
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file = config_file
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File.exist?(file) ? YAML.load_file(file)[@rails_env] : false
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end
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def config_file
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File.expand_path('../../../config/resque.yml', __FILE__)
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end
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end
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end
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