Monitoring System: Update 1

So I’ve been working with this project off and on, mainly off due to time constraints with a new work shift/promotion. I’ve split the logs and dashboard readouts to allow for easier pulling of individual data. What this allowed me to do was to couple this with WordPress using iFrame to load the individual pieces. I then set up multiple pages for each PHP document to allow the refreshes to work normally. I’ve build and gotten a working version of a single ping test, so that’s off the checklist. My next goal is to build a queue of sorts to pull information from for a polling cycle depending on type of test, then run the tests I want. I’m starting with ICMP, but hope to go for basic SNMP once this works out. Stay tuned as always!

Little side project: Monitoring System

Been debating on how to keep an eye on my home network and decided to take a swing at getting a monitoring system built from scratch to build my coding skills more. General idea:

  • Have a list of devices stored in a database with information such as IPs and names
  • Pull this device list, and run a ping sweep on all devices to test for activity/status
  • Log this into the database for reference
  • Build a lightweight front end to show this information at a glance

At this point, I’ve gotten a basic running version of this on a dedicated Linux system (Ubuntu 12.04LTS with a LAMP install). It’s extremely fast and runs every 5 minutes out of a cron entry. I’ve gotten most of the items done:

  • Database has multiple devices which can be added through front end GUI based off PHP
  • GUI (webpage) refreshes every 60 seconds and shows the last pull status along with logs from recent pulls to look for trends
  • Cron entry kicks off Perl poller that pulls information from DB and pings each device; 10 devices in less than a second total
  • Stable and has been working without issue for a few days now

I’ve also gone and tested a few of the devices, unplugging them and what not and still show up without issue. Mind you, this is a dirty way to show this information and needs cleaning, but it works. Next goals are to clean up the dashboard a bit, maybe add a search tool in the near future and some color logging to note the bad devices. Who knows, maybe a ticket system in the future? Stay tuned as always!

 

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