Re: Proposal for Network::Monitor

On Tue, 02 Nov 2004 13:34:49 -0800, Robert Peake <robert@peakepro.com> wrote: > Hi All, > > This seems like a potentially useful package to write. Looking forward > to comments. > > Best, > Robert > > @link: http://pear.php.net/pepr/pepr-proposal-show.php?id=171 > > Purpose > > To provide a unified interface for checking the availability services on > external servers and sending meaningful alerts through a variety of > media if a service becomes unavailable. > > Elements > > The service monitoring aspect of this package is essentially a unified > interface to a number of packages designed to interact with Internet > services. Initially, this list includes: > > * Net_SMTP > * HTTP_Request > * Net_DNS > * Net_FTP > > And would also include the Net_Telnet package that is currently being > proposed. > > The alert generation aspect is represented entirely through the use of > PEAR_Error objects. > > The alert sending aspect is currently a unified interface to: > > * Net_SMTP > * Net_SMS > > whereby messages can be generated and sent directly from the package. > This makes this package more robust in the event that the monitored > servce that goes down is the SMTP relay for the package itself -- the > package can still generate and send an SMTP message to an external address. > > Structure > > The package object inputs and stores two arrays -- one representing the > person(s) to be notified in the event of a failure and the other > representing the servers to be monitored. > > Each person can be assigned a notification type (currently SMTP, SMS, or > both). Each server can be assigned any number and combination of > services to be monitored (currently SMTP, HTTP, DNS, and FTP). > > Application > > The most common application for this package is a simple monitoring > script that cna be run at a scheduled interval to check remote services > and send an alert if a service is down. > > <?PHP > require('Net/Monitor.php'); > $monitor = new Net_Monitor(); > $users = array('User1' => > array('SMTP'=>'user1@example.com'), > 'User2' => > array('SMTP'=>'user2@example.com'); > $servers = array('foo.example.com'=>array('SMTP','DNS'), > > 'bar.example.com'=>array('HTTP','FTP','DNS')); > $monitor->setUsers($users); > $monitor->setServers($servers); > $monitor->checkAll(); > ?> > > » Dependencies > > * Net_SMTP > * HTTP_Request > * Net_DNS > * Net_FTP > > (others to follow) > Indeed, this does look very nice. It would also be useful (IMHO) to be able to monitor non-network services, such as cron. This would, of course, require running a script or daemon on the machine, but it would be very useful. -- paperCrane --Justin Patrin--