1 files changed, 0 insertions, 60 deletions
diff --git a/msb-core/openresty-ext/src/assembly/resources/openresty/nginx/luaext/loadbalance/policy/roundrobin.lua b/msb-core/openresty-ext/src/assembly/resources/openresty/nginx/luaext/loadbalance/policy/roundrobin.lua
deleted file mode 100644
index 986d04e..0000000
--- a/msb-core/openresty-ext/src/assembly/resources/openresty/nginx/luaext/loadbalance/policy/roundrobin.lua
+++ /dev/null
@@ -1,60 +0,0 @@
---[[
-
-    Copyright (C) 2016 ZTE, Inc. and others. All rights reserved. (ZTE)
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-            http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
-
---]]
-
-local _M = {}
-_M._VERSION = '1.0.0'
-
-local tbl_util  = require('lib.utils.table_util')
-local tbl_isempty = tbl_util.isempty
-
-function _M.get_backserver(servers,svckey)
-	if tbl_isempty(servers) then return nil,"input server list is empty" end
-
-	local length = #servers
-	if length==1 then
-		-- return it directly if there is only one server
-		return servers[1],nil
-	end
-
-	local resty_lock = require "resty.lock"
-	local roundrobin_cache = ngx.shared.rr_cache
-
-	--step1:acquire lock
-	local opts = {["timeout"] = 0.002,["exptime"] = 0.05}--this can be set using the conf file
-	local rrlock = resty_lock:new("rr_locks",opts)
-	local elapsed, err = rrlock:lock(svckey)
-	if not elapsed then
-		--return fail("failed to acquire the lock: ", err)
-	end
-	--step2:lock successfully acquired!incr the index
-	local index, err = roundrobin_cache:get(svckey)
-	if not index then
-		index = 0
-	end
-	index = index%length+1
-
-	--step3:update the shm cache with the new index
-	roundrobin_cache:set(svckey,index)
-
-	--step4:release the lock
-	local ok, err = rrlock:unlock()
-
-	return servers[index],nil
-end
-
-return _M
-\ No newline at end of file