Runtime Device OS logging configuration

src/cli/index.js

@@ -24,6 +24,7 @@ const webhook = require('./webhook');
 const whoami = require('./whoami');
 const mesh = require('./mesh');
 const usb = require('./usb');
+const log = require('./log');
 
 /**
  * The default function export from this module registers all the available commands.
@@ -66,5 +67,6 @@ module.exports = function registerAllCommands(context) {
 	whoami(context);
 	mesh(context);
 	usb(context);
+	log(context);
 	alias(context);
 };

src/cli/log.js

@@ -0,0 +1,46 @@
+const settings = require('../../settings');
+
+function logCommand() {
+	if (!logCommand._instance) {
+		const LogCommand = require('../cmd/log');
+		logCommand._instance = new LogCommand(settings);
+	}
+	return logCommand._instance;
+}
+
+module.exports = ({ commandProcessor, root }) => {
+	commandProcessor.createCommand(root, 'log', 'Display log messages from a device', {
+		params: '<device> [stream] [serial_port]',
+		options: {
+			'level': {
+				description: 'Default logging level',
+				string: true,
+				alias: 'l'
+			},
+			'filter': {
+				description: 'Category filter',
+				string: true,
+				alias: 'f'
+			},
+			'baud': {
+				description: 'Baud rate',
+				number: true,
+				alias: 'b'
+			},
+			'raw': {
+				description: 'Display raw logging output',
+				boolean: true
+			}
+		},
+		examples: {
+			'$0 $command my_device': 'Start reading and displaying log messages from the device "my_device"',
+			'$0 $command my_device -l none -f app:all': 'Show only application messages',
+			'$0 $command my_device -l warn -f app:all': 'Show all application messages as well as system warnings and errors',
+			'$0 $command my_device Serial1': 'Use the hardware serial interface for logging',
+			'$0 $command my_device Serial1 /dev/ttyUSB0': 'Use the specified serial port instead of auto-detecting'
+		},
+		handler: (args) => {
+			return logCommand().run(args);
+		}
+	});
+};