| -- Copyright (c) 2015 Adobe Systems Incorporated. All rights reserved. |
| -- |
| -- Permission is hereby granted, free of charge, to any person obtaining a |
| -- copy of this software and associated documentation files (the "Software"), |
| -- to deal in the Software without restriction, including without limitation |
| -- the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| -- and/or sell copies of the Software, and to permit persons to whom the |
| -- Software is furnished to do so, subject to the following conditions: |
| -- |
| -- The above copyright notice and this permission notice shall be included in |
| -- all copies or substantial portions of the Software. |
| -- |
| -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| -- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| -- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| -- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| -- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| -- FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| -- DEALINGS IN THE SOFTWARE. |
| |
| -- An initialization script on a per worker basis. |
| -- User: ddascal |
| -- Date: 07/12/14 |
| -- Time: 16:44 |
| -- |
| |
| local _M = {} |
| |
| |
| --- Loads a lua gracefully. If the module doesn't exist the exception is caught, logged and the execution continues |
| -- @param module path to the module to be loaded |
| -- |
| local function loadrequire(module) |
| ngx.log(ngx.DEBUG, "Loading module [" .. tostring(module) .. "]") |
| local function requiref(module) |
| require(module) |
| end |
| |
| local res = pcall(requiref, module) |
| if not (res) then |
| ngx.log(ngx.WARN, "Could not load module [", module, "].") |
| return nil |
| end |
| return require(module) |
| end |
| |
| --- Initializes the `zmqLogger` used by `trackingRulesLogger.lua` from api-gateway-request-tracking module |
| -- @param parentObject |
| -- |
| local function initZMQLogger(parentObject) |
| ngx.log(ngx.DEBUG, "Initializing ZMQLogger on property [zmqLogger]") |
| -- when the ZmqModule is not present the script does not break |
| local ZmqLogger = loadrequire("api-gateway.zmq.ZeroMQLogger") |
| |
| if (ZmqLogger == nil) then |
| return |
| end |
| |
| local zmq_publish_address = "ipc:///tmp/nginx_queue_listen" |
| ngx.log(ngx.INFO, "Starting new ZmqLogger on pid [", tostring(ngx.worker.pid()), "] on address [", zmq_publish_address, "]") |
| local zmqLogger = ZmqLogger:new() |
| zmqLogger:connect(ZmqLogger.SOCKET_TYPE.ZMQ_PUB, zmq_publish_address) |
| |
| parentObject.zmqLogger = zmqLogger |
| end |
| |
| local function initValidationFactory(parentObject) |
| parentObject.validation = require "api-gateway.validation.factory" |
| end |
| |
| local function initTrackingFactory(parentObject) |
| parentObject.tracking = require "api-gateway.tracking.factory" |
| end |
| |
| local function initMetricsFactory(parentObject) |
| parentObject.metrics = require "metrics.factory" |
| end |
| |
| initValidationFactory(_M) |
| initZMQLogger(_M) |
| initTrackingFactory(_M) |
| initMetricsFactory(_M) |
| -- TODO: test health-check with the new version of Openresty |
| -- initRedisHealthCheck() |
| |
| ngx.apiGateway = _M |
| |