From 0bab8f8912ba166a28b811b00ad00ca970b2b11f Mon Sep 17 00:00:00 2001
From: Atinux <sebastien.chopin@neo9.fr>
Date: Fri, 8 Dec 2017 16:26:44 +0100
Subject: [PATCH] debug: Add debug log informations

---
 lib/conf.js | 3 +++
 lib/http.js | 9 +++++++--
 lib/jwt.js  | 3 +++
 lib/log.js  | 2 ++
 4 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/lib/conf.js b/lib/conf.js
index afd7938..16cf064 100644
--- a/lib/conf.js
+++ b/lib/conf.js
@@ -1,4 +1,6 @@
 const { join, dirname } = require('path')
+
+const debug = require('debug')('mono:conf')
 const { isArray, isObject, isRegExp, mergeWith, isUndefined } = require('lodash')
 const clearModule = require('clear-module')
 
@@ -59,6 +61,7 @@ module.exports = function (dir, { log, pkg, appDir }) {
 
 	// Conf path
 	const confPath = process.env.MONO_CONF_PATH || join(dir, 'conf')
+	debug(`Loading conf from ${confPath}`)
 
 	// Files to load
 	const files = [
diff --git a/lib/http.js b/lib/http.js
index be59c68..9b2bcb2 100644
--- a/lib/http.js
+++ b/lib/http.js
@@ -1,6 +1,7 @@
 const { createServer } = require('http')
-const chalk = require('chalk')
 
+const debug = require('debug')('mono:http')
+const chalk = require('chalk')
 const express = require('express')
 const morgan = require('morgan')
 const helmet = require('helmet')
@@ -9,7 +10,7 @@ module.exports = async function ({ conf, log }) {
 	const httpOptions = conf.mono.http
 	// Default options
 	const port = httpOptions.port = parseInt(process.env.PORT, 10) || httpOptions.port || 8000
-	httpOptions.logLevel = (typeof httpOptions.logLevel !== 'undefined' ? httpOptions.logLevel : 'dev')
+	httpOptions.logLevel = (typeof httpOptions.logLevel !== 'undefined' ? httpOptions.logLevel : (conf.env === 'production' ? 'combined' : 'dev'))
 	httpOptions.host = process.env.HOST || httpOptions.host || 'localhost'
 	httpOptions.bodyParser = httpOptions.bodyParser || {}
 	// Create server & helpers
@@ -51,11 +52,15 @@ module.exports = async function ({ conf, log }) {
 		})
 	}
 	// Middleware
+	debug(`Helmet ${httpOptions.helmet !== false ? 'activated' : 'disabled'}`)
 	if (httpOptions.helmet !== false) app.use(helmet(httpOptions.helmet))
+	debug(`Body parser (url encoded) ${httpOptions.bodyParser.urlencoded !== false ? 'activated' : 'disabled'}`)
 	if (httpOptions.bodyParser.urlencoded !== false) app.use(express.urlencoded(Object.assign({ extended: false }, httpOptions.bodyParser.urlencoded)))
+	debug(`Body parser (json) ${httpOptions.bodyParser.json !== false ? 'activated' : 'disabled'}`)
 	if (httpOptions.bodyParser.json !== false) app.use(express.json(httpOptions.bodyParser.json))
 	// Logger middleware
 	if (typeof httpOptions.logLevel === 'string') {
+		debug(`HTTP log level: ${httpOptions.logLevel}`)
 		app.use(morgan(httpOptions.logLevel, { stream: log.stream }))
 	}
 	// Return app & server
diff --git a/lib/jwt.js b/lib/jwt.js
index 07231a6..5fdfe87 100644
--- a/lib/jwt.js
+++ b/lib/jwt.js
@@ -1,3 +1,4 @@
+const debug = require('debug')('mono:jwt')
 const jsonwebtoken = require('jsonwebtoken')
 
 const HttpError = require('./http-error')
@@ -69,6 +70,8 @@ module.exports = function (options) {
 	options.headerKey = options.headerKey || 'Authorization'
 	options.secret = options.secret || 'secret'
 	options.expiresIn = options.expiresIn || '7d'
+	debug(`JWT header key: ${options.headerKey}`)
+	debug(`JWT duration: ${options.expiresIn}`)
 
 	// Bind jwt methods with options
 	module.exports.jwt.generateJWT = generateJWT.bind({ jwt: options })
diff --git a/lib/log.js b/lib/log.js
index 317d955..97640e0 100644
--- a/lib/log.js
+++ b/lib/log.js
@@ -1,3 +1,4 @@
+const debug = require('debug')('mono:log')
 const winston = require('winston')
 
 class MonoLog {
@@ -12,6 +13,7 @@ class MonoLog {
 		this.options.files = this.options.files || []
 		this.options.http = this.options.http || []
 		this.options.transports = this.options.transports || []
+		debug(`Log level: ${this.level}`)
 
 		// Logger
 		this.log = this.createLogger(this.level)