67 lines
2.5 KiB
Ruby
67 lines
2.5 KiB
Ruby
#
|
|
# A wrapper around redis that namespaces keys with the current site id
|
|
#
|
|
class DiscourseRedis
|
|
|
|
def self.raw_connection(config = nil)
|
|
config ||= self.config
|
|
redis_opts = {host: config['host'], port: config['port'], db: config['db']}
|
|
redis_opts[:password] = config['password'] if config['password']
|
|
Redis.new(redis_opts)
|
|
end
|
|
|
|
def self.config
|
|
@config ||= YAML.load(ERB.new(File.new("#{Rails.root}/config/redis.yml").read).result)[Rails.env]
|
|
end
|
|
|
|
def self.url(config=nil)
|
|
config ||= self.config
|
|
"redis://#{(':' + config['password'] + '@') if config['password']}#{config['host']}:#{config['port']}/#{config['db']}"
|
|
end
|
|
|
|
def initialize
|
|
@config = DiscourseRedis.config
|
|
@redis = DiscourseRedis.raw_connection(@config)
|
|
end
|
|
|
|
def url
|
|
self.class.url(@config)
|
|
end
|
|
|
|
# prefix the key with the namespace
|
|
def method_missing(meth, *args, &block)
|
|
if @redis.respond_to?(meth)
|
|
@redis.send(meth, *args, &block)
|
|
else
|
|
super
|
|
end
|
|
end
|
|
|
|
# Proxy key methods through, but prefix the keys with the namespace
|
|
[:append, :blpop, :brpop, :brpoplpush, :decr, :decrby, :del, :exists, :expire, :expireat, :get, :getbit, :getrange, :getset,
|
|
:hdel, :hexists, :hget, :hgetall, :hincrby, :hincrbyfloat, :hkeys, :hlen, :hmget, :hmset, :hset, :hsetnx, :hvals, :incr,
|
|
:incrby, :incrbyfloat, :lindex, :linsert, :llen, :lpop, :lpush, :lpushx, :lrange, :lrem, :lset, :ltrim, :mget, :move, :mset,
|
|
:msetnx, :persist, :pexpire, :pexpireat, :psetex, :pttl, :rename, :renamenx, :rpop, :rpoplpush, :rpush, :rpushx, :sadd, :scard,
|
|
:sdiff, :set, :setbit, :setex, :setnx, :setrange, :sinter, :sismember, :smembers, :sort, :spop, :srandmember, :srem, :strlen,
|
|
:sunion, :ttl, :type, :watch, :zadd, :zcard, :zcount, :zincrby, :zrange, :zrangebyscore, :zrank, :zrem, :zremrangebyrank,
|
|
:zremrangebyscore, :zrevrange, :zrevrangebyscore, :zrevrank, :zrangebyscore].each do |m|
|
|
define_method m do |*args|
|
|
args[0] = "#{DiscourseRedis.namespace}:#{args[0]}"
|
|
@redis.send(m, *args)
|
|
end
|
|
end
|
|
|
|
def self.namespace
|
|
RailsMultisite::ConnectionManagement.current_db
|
|
end
|
|
|
|
def self.new_redis_store
|
|
redis_config = YAML.load(ERB.new(File.new("#{Rails.root}/config/redis.yml").read).result)[Rails.env]
|
|
redis_store = ActiveSupport::Cache::RedisStore.new "redis://#{(':' + redis_config['password'] + '@') if redis_config['password']}#{redis_config['host']}:#{redis_config['port']}/#{redis_config['cache_db']}"
|
|
redis_store.options[:namespace] = -> { DiscourseRedis.namespace }
|
|
redis_store
|
|
end
|
|
|
|
|
|
end
|