feat(log): Add verbose option from command line

By adding the -v or --verbose parameter to the command line, the log level will be set to the lowest
one (will print everithing).

Author: bitIO

package.json

@@ -31,7 +31,7 @@
     "commit": "git-cz",
     "prebuild": "rimraf lib",
     "prepublishOnly": "pkg-ok",
-    "start": "babel-node src/index.js",
+    "start": "babel-node src/index.js -v",
     "start:disk": "babel-node src/index.js --storageType=disk",
     "start:prod": "node lib/index.js",
     "test": "echo \"Error: no test specified\" && exit 0",

src/index.js

@@ -1,5 +1,7 @@
 import nodegetopt from 'node-getopt';
+import logger, { setLogLevel } from './log';
 import server from './server';
+import pkg from '../package.json';
 
 const opt = nodegetopt.create([
   ['p', 'port=PORT', 'server port (default 5000)'],
@@ -8,15 +10,27 @@ const opt = nodegetopt.create([
   ['', 'storageType=TYPE', "disk or memory (default 'memory')"],
   ['', 'storagePath=PATH', "where to save files (default '/tmp')"],
   ['', 'route=flies', "the API starting path (default '/files')"],
+  ['v', 'verbose', 'change log level to lowest'],
 ]).bindHelp().parseSystem().options;
 
+logger.info('================================');
+logger.info('>>> Express REST file server');
+logger.info(`>>> version: ${pkg.version}`);
+logger.info('================================');
+
+if (opt.verbose) {
+  setLogLevel('silly');
+  logger.debug('Command line options', opt);
+}
+
 server.run({
   port: (opt.port || process.env.PORT || 5000),
   chunkNumber: opt.chunknumber,
   totalSize: opt.totalsize,
   storage: {
-    type: opt.storageType,
-    path: opt.storagePath,
+    type: (opt.storageType || 'memory'),
+    path: (opt.storageType === 'disk' && opt.storagePath ? opt.storagePath : '/tmp'),
   },
   route: (opt.route || 'files'),
+  verbose: (!!opt.verbose),
 });

src/log.js

@@ -1,22 +1,26 @@
 import winston, { Logger, transports as _transports } from 'winston';
 
-const { config } = winston;
-const logger = new (Logger)({
+const logger = new Logger({
+  level: winston.level,
   transports: [
     new (_transports.Console)({
       timestamp() {
         return Date.now();
       },
       formatter(options) {
-        const color = config.colorize(options.level, options.level.toUpperCase());
+        const level = winston.config.colorize(options.level, options.level.toUpperCase().padEnd(6));
         const message = options.message ? options.message : '';
         const meta = options.meta && Object.keys(options.meta).length ?
-          `\n\t${JSON.stringify(options.meta)}` :
+          `\n${JSON.stringify(options.meta, null, 2)}` :
           '';
-        return `[${options.timestamp()}][${color}] ${message} ${meta}`;
+        return `[${options.timestamp()}][${level}] ${message} ${meta}`;
       },
     }),
   ],
 });
 
 export default logger;
+
+export function setLogLevel(level) {
+  logger.transports.console.level = level;
+}

src/server.js

@@ -29,7 +29,7 @@ export default {
   init(options) {
     let storage;
     if (options.storage.type === 'disk') {
-      if (options.storage.path && !existsSync(options.storage.pathh)) {
+      if (options.storage.path && !existsSync(options.storage.path)) {
         logger.error(options.storage.path, 'does not exist');
         throw new Error(`${options.storage.path} does not exist`);
       }
@@ -43,7 +43,6 @@ export default {
         },
       });
     } else {
-      logger.info('Using memory storage');
       storage = memoryStorage();
     }
     const upload = multer({ storage });
@@ -98,12 +97,16 @@ export default {
   },
 
   run(options) {
-    logger.info('================================');
-    logger.info('>>> Express REST file server <<<');
-    logger.info('================================');
     const server = this.init(options);
     server.listen(options.port, () => {
-      logger.info('Listening on', options.port);
+      logger.info('Server ready. Configuration:');
+      logger.info(
+        '  * Storage: %s %s', options.storage.type,
+        ((options.storage.type === 'disk' && options.storage.path) || '')
+      );
+      logger.info('  * Port:', options.port);
+      logger.info('  * Routes:', `/${options.route}`);
+      logger.info('  * Verbose:', options.verbose ? 'yes' : 'no');
     });
   },
 };