jobs - various bugs fixed and old files removed

confs/site/main-lua.conf

@@ -15,6 +15,10 @@ end
 -- let's encrypt
 local use_lets_encrypt		= {% if AUTO_LETS_ENCRYPT == "yes" %}true{% else %}false{% endif +%}
 
+-- redis
+local use_redis			= {% if USE_REDIS == "yes" %}true{% else %}false{% endif +%}
+local redis_host		= "{{ REDIS_HOST }}"
+
 -- external blacklists
 local use_user_agents		= {% if BLOCK_USER_AGENT == "yes" %}true{% else %}false{% endif +%}
 local use_proxies		= {% if BLOCK_PROXIES == "yes" %}true{% else %}false{% endif +%}
@@ -64,6 +68,7 @@ local recaptcha			= require "recaptcha"
 local iputils			= require "resty.iputils"
 local behavior			= require "behavior"
 local logger			= require "logger"
+local redis			= require "resty.redis"
 
 -- user variables
 local antibot_uri		= "{{ ANTIBOT_URI }}"
@@ -139,6 +144,17 @@ if use_bad_behavior and behavior.is_banned() then
 	ngx.exit(ngx.HTTP_FORBIDDEN)
 end
 
+-- our redis client
+local redis_client = nil
+if use_redis then
+	redis_client = redis:new()
+	local ok, err = redis_client:connect(redis_host, 6379)
+	if not ok then
+		redis_client = nil
+		logger.log(ngx.ERR, "REDIS", "Can't connect to the Redis service " .. redis_host)
+	end
+end
+
 -- check if IP is in proxies list
 if use_proxies then
 	local value, flags = ngx.shared.proxies_data:get(iputils.ip2bin(ngx.var.remote_addr))