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-rw-r--r--openresty-ext/src/assembly/resources/openresty/nginx/luaext/core/error_handler.lua61
1 files changed, 61 insertions, 0 deletions
diff --git a/openresty-ext/src/assembly/resources/openresty/nginx/luaext/core/error_handler.lua b/openresty-ext/src/assembly/resources/openresty/nginx/luaext/core/error_handler.lua
new file mode 100644
index 0000000..f21f10a
--- /dev/null
+++ b/openresty-ext/src/assembly/resources/openresty/nginx/luaext/core/error_handler.lua
@@ -0,0 +1,61 @@
+--[[
+
+ 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 msbConf = require('conf.msbinit')
+local enablefullsearch = msbConf.systemConf.enablefullsearch
+local ngx_var = ngx.var
+local error_page_head = '<html><head><title>502 Bad Gateway</title></head><body bgcolor="white"><center><h1>502 Bad Gateway</h1></center><center>error message:'
+local error_page_foot = '</center><hr><center>nginx</center></body></html>'
+local upstream_not_found_err = "service info is incorrect:using own upstream flag is on but upstream name is empty"
+
+function _M.svc_not_found(err_info,detail_info)
+ ngx.log(ngx.WARN, ngx.var.request_id.." "..(err_info or "").." detail_info:"..(detail_info or ""))
+ if enablefullsearch and ngx_var.svc_type ~= "custom" then
+ -- test against the custom services after the commonrewrite phase
+ --ngx.status = ngx.HTTP_GONE
+ return ngx.exec("@commonnotfound");
+ else
+ ngx.status = ngx.HTTP_BAD_GATEWAY
+ ngx.print(error_page_head..err_info..error_page_foot)
+ end
+ return ngx.exit(ngx.status)
+end
+
+function _M.svc_not_allow_access(err_info,detail_info)
+ ngx.log(ngx.WARN, ngx.var.request_id.." "..(err_info or "").." detail_info:"..(detail_info or ""))
+ ngx.status = ngx.HTTP_FORBIDDEN
+ return ngx.exit(ngx.status)
+end
+
+function _M.upstream_not_found()
+ ngx.log(ngx.WARN, ngx.var.request_id.." "..upstream_not_found_err)
+ ngx.status = ngx.HTTP_BAD_GATEWAY
+ ngx.print(error_page_head..upstream_not_found_err..error_page_foot)
+ return ngx.exit(ngx.status)
+end
+
+function _M.no_server_available(err_info,detail_info)
+ ngx.log(ngx.WARN, ngx.var.request_id.." "..(err_info or "").." detail_info:"..(detail_info or ""))
+ ngx.status = ngx.HTTP_BAD_GATEWAY
+ ngx.print(error_page_head..err_info..error_page_foot)
+ return ngx.exit(ngx.status)
+end
+
+return _M \ No newline at end of file