I think monit is already in the current system vm template. I know at least the scripts in tools/appliance add it (maybe that was a post 4.2 change). +1 for monit.
Darren > On Sep 25, 2013, at 10:27 PM, Chiradeep Vittal <chiradeep.vit...@citrix.com> > wrote: > > SNMP wouldn't restart a failed process nor would it generate alerts. It is > simply too generic for the requirements outlined here. The proposal does > not talk about modifying monit, just using it. That wouldn't trigger the > AGPL. > I think the idea is to have a tight monitoring loop that scales: so > executing the monitoring loop in-situ makes sense. > > >> On 9/25/13 9:53 PM, "David Nalley" <da...@gnsa.us> wrote: >> >> On Wed, Sep 25, 2013 at 9:30 AM, Jayapal Reddy Uradi >> <jayapalreddy.ur...@citrix.com> wrote: >>> Hi, >>> >>> Currently in virtual router there is no way to recover and notify if >>> some service goes down unexpectedly. >>> >>> This feature is about monitoring all the services rendered by the >>> virtual router, ensure that the services are running through the life >>> time of the VR. >>> >>> On service failure: >>> 1. Generate an alert and event indicating failure >>> 2. Restart the service >>> >>> Services to be monitored: >>> DHCP, DNS, haproxy, password server etc. >>> >>> As part of monitoring there are two activities >>> >>> 1. One is monitoring the services in VR and log the events. Using monit >>> for monitoring services >>> 2. Second part is pushing alerts from router to MS server. Thinking on >>> POST the logs to web server in MS. >>> >>> I will be updating more details and FS in this thread. >>> >>> I created enhancement bug for this. >>> https://issues.apache.org/jira/browse/CLOUDSTACK-4736 >>> >>> Thanks, >>> Jayapal >> >> So several things - why not make this via SNMP? Query processes, and >> many other things. This should be relatively simple, is well known, >> can be locked down (or could be monitored for many other things by >> external monitoring packages) and is the defacto standard for >> monitoring hosts. >> Second - monit is Affero GPL licensed - which is a cat-x license. >> While I expect that we would merely use this and not do any hacking on >> it - I think its inclusion might be a surprise (and forbidden in many >> environments) to our users >> >> --David >
