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9db8fc0ddb
4.0's fetch requires more connections. Pro and Enterprise both have features requiring more connections. This shouldn't matter too much in practice since connection_pool is lazy since 2.0 and will only create those extra connections if they are actually needed.
95 lines
2.8 KiB
Ruby
95 lines
2.8 KiB
Ruby
require 'connection_pool'
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require 'redis'
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require 'uri'
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module Sidekiq
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class RedisConnection
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class << self
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def create(options={})
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options[:url] ||= determine_redis_provider
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size = options[:size] || (Sidekiq.server? ? (Sidekiq.options[:concurrency] + 5) : 5)
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verify_sizing(size, Sidekiq.options[:concurrency]) if Sidekiq.server?
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pool_timeout = options[:pool_timeout] || 1
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log_info(options)
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ConnectionPool.new(:timeout => pool_timeout, :size => size) do
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build_client(options)
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end
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end
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private
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# Sidekiq needs a lot of concurrent Redis connections.
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#
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# We need a connection for each Processor.
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# We need a connection for Pro's real-time change listener
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# We need a connection to various features to call Redis every few seconds:
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# - the process heartbeat.
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# - enterprise's leader election
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# - enterprise's cron support
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def verify_sizing(size, concurrency)
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raise ArgumentError, "Your Redis connection pool is too small for Sidekiq to work, your pool has #{size} connections but really needs to have at least #{concurrency + 2}" if size <= concurrency
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end
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def build_client(options)
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namespace = options[:namespace]
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client = Redis.new client_opts(options)
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if namespace
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begin
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require 'redis/namespace'
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Redis::Namespace.new(namespace, :redis => client)
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rescue LoadError
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Sidekiq.logger.error("redis-namespace gem not included in Gemfile, cannot use namespace '#{namespace}'")
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exit(-127)
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end
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else
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client
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end
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end
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def client_opts(options)
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opts = options.dup
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if opts[:namespace]
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opts.delete(:namespace)
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end
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if opts[:network_timeout]
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opts[:timeout] = opts[:network_timeout]
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opts.delete(:network_timeout)
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end
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opts[:driver] = opts[:driver] || 'ruby'
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opts
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end
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def log_info(options)
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# Don't log Redis AUTH password
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redacted = "REDACTED"
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scrubbed_options = options.dup
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if scrubbed_options[:url] && (uri = URI.parse(scrubbed_options[:url])) && uri.password
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uri.password = redacted
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scrubbed_options[:url] = uri.to_s
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end
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if scrubbed_options[:password]
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scrubbed_options[:password] = redacted
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end
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if Sidekiq.server?
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Sidekiq.logger.info("Booting Sidekiq #{Sidekiq::VERSION} with redis options #{scrubbed_options}")
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else
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Sidekiq.logger.debug("#{Sidekiq::NAME} client with redis options #{scrubbed_options}")
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end
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end
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def determine_redis_provider
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ENV[ENV['REDIS_PROVIDER'] || 'REDIS_URL']
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end
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end
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end
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end
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