mastodon-glitch/lib/mastodon/redis_configuration.rb

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# frozen_string_literal: true
class Mastodon::RedisConfiguration
def base
@base ||= {
url: setup_base_redis_url,
driver: driver,
namespace: base_namespace,
}
end
def sidekiq
@sidekiq ||= {
url: setup_prefixed_redis_url(:sidekiq),
driver: driver,
namespace: sidekiq_namespace,
}
end
def cache
@cache ||= {
url: setup_prefixed_redis_url(:cache),
driver: driver,
namespace: cache_namespace,
expires_in: 10.minutes,
connect_timeout: 5,
pool: {
size: Sidekiq.server? ? Sidekiq[:concurrency] : Integer(ENV['MAX_THREADS'] || 5),
timeout: 5,
},
}
end
private
def driver
ENV['REDIS_DRIVER'] == 'ruby' ? :ruby : :hiredis
end
def namespace
@namespace ||= ENV.fetch('REDIS_NAMESPACE', nil)
end
def base_namespace
return "mastodon_test#{ENV.fetch('TEST_ENV_NUMBER', nil)}" if Rails.env.test?
namespace
end
def sidekiq_namespace
namespace
end
def cache_namespace
namespace ? "#{namespace}_cache" : 'cache'
end
def setup_base_redis_url
url = ENV.fetch('REDIS_URL', nil)
return url if url.present?
user = ENV.fetch('REDIS_USER', '')
password = ENV.fetch('REDIS_PASSWORD', '')
host = ENV.fetch('REDIS_HOST', 'localhost')
port = ENV.fetch('REDIS_PORT', 6379)
db = ENV.fetch('REDIS_DB', 0)
construct_uri(host, port, db, user, password)
end
def setup_prefixed_redis_url(prefix)
prefix = "#{prefix.to_s.upcase}_"
url = ENV.fetch("#{prefix}REDIS_URL", nil)
return url if url.present?
user = ENV.fetch("#{prefix}REDIS_USER", nil)
password = ENV.fetch("#{prefix}REDIS_PASSWORD", nil)
host = ENV.fetch("#{prefix}REDIS_HOST", nil)
port = ENV.fetch("#{prefix}REDIS_PORT", nil)
db = ENV.fetch("#{prefix}REDIS_DB", nil)
if host.nil?
base[:url]
else
construct_uri(host, port, db, user, password)
end
end
def construct_uri(host, port, db, user, password)
Addressable::URI.parse("redis://#{host}:#{port}/#{db}").tap do |uri|
uri.user = user if user.present?
uri.password = password if password.present?
end.normalize.to_str
end
end