chinwagsocial/lib/mastodon/redis_config.rb
Eugen Rochko 63553c6b5c
Add support for separate Redis for cache (#7272)
* Add support for separate Redis for cache

CACHE_REDIS_URL to allow using a different Redis server for cache
purposes, with cache-specific configuration such as key eviction

* Fix code style issues
2018-04-27 01:37:59 +02:00

30 lines
1 KiB
Ruby

# frozen_string_literal: true
def setup_redis_env_url(prefix = nil, defaults = true)
prefix = prefix.to_s.upcase + '_' unless prefix.nil?
prefix = '' if prefix.nil?
return if ENV[prefix + 'REDIS_URL'].present?
password = ENV.fetch(prefix + 'REDIS_PASSWORD') { '' if defaults }
host = ENV.fetch(prefix + 'REDIS_HOST') { 'localhost' if defaults }
port = ENV.fetch(prefix + 'REDIS_PORT') { 6379 if defaults }
db = ENV.fetch(prefix + 'REDIS_DB') { 0 if defaults }
ENV[prefix + 'REDIS_URL'] = if [password, host, port, db].all?(&:nil?)
ENV['REDIS_URL']
else
"redis://#{password.blank? ? '' : ":#{password}@"}#{host}:#{port}/#{db}"
end
end
setup_redis_env_url
setup_redis_env_url(:cache, false)
namespace = ENV.fetch('REDIS_NAMESPACE') { nil }
cache_namespace = namespace ? namespace + '_cache' : 'cache'
REDIS_CACHE_PARAMS = {
expires_in: 10.minutes,
namespace: cache_namespace,
}.freeze