diff options
Diffstat (limited to 'msb-core/openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/driver_manager.lua')
| -rw-r--r-- | msb-core/openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/driver_manager.lua | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/msb-core/openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/driver_manager.lua b/msb-core/openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/driver_manager.lua deleted file mode 100644 index 45d327d..0000000 --- a/msb-core/openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/driver_manager.lua +++ /dev/null @@ -1,127 +0,0 @@ ---[[ - - Copyright 2016 2015-2016 OPEN-O. and others. All rights reserved. - - 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 _HEADER = "X-Driver-Parameter" - ---extract driver header if present in request -local function get_driver_header() - local header = "" - local driver_header = ngx.req.get_headers()[_HEADER] - if (driver_header ~= nil) - then - header = driver_header - end - return header -end - --- generate query url -local function get_query_url(x_driver_header) - local drivermgr_uri = '/openoapi/drivermgr/v1/drivers' - local url = drivermgr_uri.."?".._HEADER.."="..tostring(ngx.escape_uri(x_driver_header)).."&service_url="..ngx.var.uri - return url -end - --- generate driver url -local function get_driver_url(driver_header) - local cjson = require "cjson" - local query_url = get_query_url(driver_header) - local driver_header_value = get_driver_header(); - ngx.req.clear_header(_HEADER) - local res = ngx.location.capture(query_url, { method = ngx.HTTP_GET}) - ngx.req.set_header(_HEADER, driver_header_value); - ngx.log (ngx.ERR, "Driver manager resp url : ", tostring(res.body)) - if (res.status == 200 and res.body ~= nil and res.body ~= '') - then - return tostring(cjson.new().decode(res.body).url) - else - return '' - end -end - --- get the ori query param string -local function get_ori_query() - local args = ngx.req.get_uri_args(); - local ori_query_param = "?"..ngx.encode_args(args); - ngx.log(ngx.ERR, "The original request query parameter is ", ori_query_param); - return ori_query_param; -end - --- get headers -local function get_headers() - local headers = {} - local h = ngx.req.get_headers() - for k, value in pairs(h) - do - headers[k] = value - end - return headers -end - -local function get_body_params() - ngx.req.read_body() - local actual_body = "" - local body_param = ngx.req.get_body_data() - if(body_param ~= nil) - then - actual_body = tostring(body_param) - end - return actual_body -end - -function _M.access() - ngx.log(ngx.ERR, "DRIVER MANAGER LUA", "***********************") - - -- extract X-Driver-Parameter header param - local driver_header = get_driver_header() - ngx.log(ngx.ERR, "X-Driver-Parameter: ", driver_header) - - - -- ignore driver redirection if not driver manager request. - if (driver_header ~= "") - then - - local driver_url = get_driver_url(driver_header)..get_ori_query(); - ngx.log (ngx.ERR, "Driver manager URl:: ", driver_url) - - local http = require "resty.http" - local actual_headers = get_headers() - local actual_body = get_body_params() - - ngx.log(ngx.ERR, "HTTP request to driver... ", " Request to driver manager") - local httpc = http.new(); - httpc:set_timeout(300000); - local res, err = httpc:request_uri(driver_url, { - method = ngx.req.get_method(), - body = actual_body, - headers = actual_headers - }) - - if not res then - ngx.say("Request to driver failed : ", err) - return - end - ngx.log(ngx.ERR, "Response from driver : ", tostring(res.body)) - ngx.say(res.body) - - else - ngx.log(ngx.ERR, "X-Driver-Parameter not present", " Redirect to same url") - end -end - -return _M
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