setup/setup.js

A server config utility for nodejs

module.exports = function(){
	
	var obj = {
		network: {},
		hostname: {},
		hosts: {},
		crontab: {},
		clock: {},
	};

	// Hostname
	obj.hostname.save = function(hostname,outFile){
		require('fs').writeFileSync(outFile || '/etc/hostname', hostname);
	}

	// Hosts
	obj.hosts.save = function(config,outFile){
		require('fs').writeFileSync(outFile || '/etc/hosts', config);
	}
	
	obj.hosts.config = function(hosts) {

		var output =[];
		var hostName = require('fs').readFileSync('/etc/hostname','UTF-8').trim();

		output.push('127.0.0.1	localhost');
		output.push('127.0.0.1	'+hostName);
		output.push('');

		for (ip in hosts)
			output.push(ip+'  '+hosts[ip]);

		return output.join("\n");
	}





	// Date/Time
	obj.clock.set = function(time) {
		require('child_process').exec('date -s "'+time+'" ; hwclock --systohc;', cb);
	}




	// Networking
	obj.network.restart = function(cb){
		require('child_process').exec('/etc/init.d/networking restart', cb);
	}
	obj.network.save = function(config,outFile){
		require('fs').writeFileSync(outFile || '/etc/network/interfaces', config);
	}
	obj.network.config = function(config){

		var output= [];

		output.push('auto lo')
		output.push('iface lo inet loopback')


		for (device in config)
		{
			output.push('')

			if (config[device].auto)
				output.push('auto '+device)

			if (config[device].dhcp == true)
				output.push('iface '+device+' inet dhcp')
			else
				output.push('iface '+device+' inet static')

			if (config[device].wireless)
			{
				if (config[device].wireless.ssid)				
					output.push('  wpa-ssid '+config[device].wireless.ssid)

				if (config[device].wireless.psk)
					output.push('  wpa-psk '+config[device].wireless.psk)
			}

			if (config[device].ipv4)
			{
				if (config[device].ipv4.address)
					output.push('address '+config[device].ipv4.address)

				if (config[device].ipv4.netmask)
					output.push('netmask '+config[device].ipv4.netmask)

				if (config[device].ipv4.gateway)
					output.push('gateway '+config[device].ipv4.gateway)

				if (config[device].ipv4.dns)
					output.push('dns-nameservers '+config[device].ipv4.dns)								
			}

		}

		return output.join("\n");
	}



	return obj;
}