theweakgod commented on code in PR #10866:
URL: https://github.com/apache/apisix/pull/10866#discussion_r1469346322
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apisix/plugins/limit-conn/limit-conn-redis-cluster.lua:
##########
@@ -0,0 +1,158 @@
+local rediscluster = require("resty.rediscluster")
+local core = require("apisix.core")
+local assert = assert
+local setmetatable = setmetatable
+local math = require "math"
+local floor = math.floor
+local ipairs = ipairs
+local ngx_timer_at = ngx.timer.at
+
+local _M = {version = 0.1}
+
+
+local mt = {
+ __index = _M
+}
+
+
+local function new_redis_cluster(conf)
+ local config = {
+ name = conf.redis_cluster_name,
+ serv_list = {},
+ read_timeout = conf.redis_timeout,
+ auth = conf.redis_password,
+ dict_name = "plugin-limit-conn-redis-cluster-slot-lock",
+ connect_opts = {
+ ssl = conf.redis_cluster_ssl,
+ ssl_verify = conf.redis_cluster_ssl_verify,
+ }
+ }
+
+ for i, conf_item in ipairs(conf.redis_cluster_nodes) do
+ local host, port, err = core.utils.parse_addr(conf_item)
+ if err then
+ return nil, "failed to parse address: " .. conf_item
+ .. " err: " .. err
+ end
+
+ config.serv_list[i] = {ip = host, port = port}
+ end
+
+ local red_cli, err = rediscluster:new(config)
+ if not red_cli then
+ return nil, "failed to new redis cluster: " .. err
+ end
+
+ return red_cli
+end
+
+
+function _M.new(plugin_name, conf, max, burst, default_conn_delay)
+ local self = {
+ conf = conf,
+ plugin_name = plugin_name,
+ burst = burst,
+ max = max + 0, -- just to ensure the param is good
+ unit_delay = default_conn_delay,
+ }
+ return setmetatable(self, mt)
+end
+
+
+function _M.incoming(self, key, commit)
+ local max = self.max
+
+ -- init redis
+ local conf = self.conf
+ local red, err = new_redis_cluster(conf)
Review Comment:
OK
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