Node.js systemd service unit

This unit runs on <service_name>@.service, which means it is a multiple service instance that should be started with command systemctl start <service_name>@<instance>, place it under /etc/systemd/system/:

[Unit]
Description=Botanical %i servlet

[Service]
ExecStart=/opt/autorun/node-js.service %i
Restart=no
User=www-data
Group=www-data
Environment=PATH=/usr/bin:/usr/local/bin
WorkingDirectory=/var/www/%i

[Install]
WantedBy=multi-user.target

The wrapper:

#!/usr/bin/env node
"use strict";

const FS = require( "fs" );
const CLUSTER = require( "cluster" );
const SERV = process.argv[2];

if( !SERV )
{
        console.error( "Service undefined" );
        process.exit(1);
}

const SrvLocation = "/var/www/" + SERV + "/index.js"

if( FS.existsSync( SrvLocation ) )
{
        if( CLUSTER.isMaster )
        {
                console.log( "Starting service: " + SERV );
        }
        else
        {
                console.log( "Cluster: " + process.pid );
        }

        process.chdir( "/var/www/" + SERV );
        require( SrvLocation );
}
else
{
        console.error( "Service \"" + SERV + "\" does not exists" );
        process.exit(1);
}

Tag(s): node.js systemctl

斟酌鵬兄

Sat Feb 20 2016 17:33:33 GMT+0000 (Coordinated Universal Time)

Last modified: Sun Jan 22 2017 03:03:21 GMT+0000 (Coordinated Universal Time)