diff options
author | 2016-09-20 11:31:05 +0800 | |
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committer | 2016-09-20 11:31:05 +0800 | |
commit | e268131c6c3c868bef106ca8368fd0388b23c4ed (patch) | |
tree | 9b777037d4297081fb9e9dfc68c71f0a3b3449f7 /msb-core/openresty-ext/src/assembly/resources/openresty/nginx/luaext/plugins/driver_manager.lua | |
parent | 6be48e1015bc20005ed31f8b857842a59e1c9dfa (diff) |
1. add the auth lua plugin and the driver lua plugin.
Change-Id: Id446447dbd904092f7dd2d1326d3c51c4876713b
Signed-off-by: zhouruiyu <zhouruiyu@huawei.com>
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 | 118 |
1 files changed, 97 insertions, 21 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 index a53ec21..1a30ff6 100644 --- 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 @@ -1,30 +1,106 @@ ---[[ +-- Copyright 2016 Huawei Technologies Co., Ltd. - Copyright 2016 2015-2016 ZTE, Inc. 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 - 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 - 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 _HEADER = "X-Driver-Parameter" - 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. +--extract driver header if present in request +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 - Author: Zhaoxing Meng - email: meng.zhaoxing1@zte.com.cn +-- generate query url +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 -]] -local _M = {} -_M._VERSION = '1.0.0' +-- generate driver url +function get_driver_url(driver_header) + local cjson = require "cjson" + local query_url = get_query_url(driver_header) + local res = ngx.location.capture(query_url, { method = ngx.HTTP_GET}) + 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 -function _M.access() - ngx.log(ngx.INFO, "running driver_manager plugin") - --add your own code here - --choose the right backend server,and then tell nginx, e.g. ngx.var.backend = XX.XX.XX.XX:8888 +-- get headers +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 -return _M
\ No newline at end of file +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 + + + +ngx.log(ngx.INFO, "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) + 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 res, err = http.new():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
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