thanks for the pointers Sam.
I took a quick look.
I agree that the VM Heartbeat / Health-check looks like a good fit into Masakari.
Currently your instance monitoring looks like it is strictly black-box type monitoring thru libvirt events.
Is that correct ?
i.e. you do not do any intrusive type monitoring of the instance thru the QUEMU Guest Agent facility
correct ?
I think this is what VM Heartbeat / Health-check would add to Masaraki.
Let me know if you agree.
Greg.
From: Sam P <sam47priya at gmail.com>
Reply-To: "openstack-dev at lists.openstack.org" <openstack-dev at lists.openstack.org>
Date: Monday, May 15, 2017 at 9:36 PM
To: "openstack-dev at lists.openstack.org" <openstack-dev at lists.openstack.org>
Subject: Re: [openstack-dev] [vitrage] [nova] VM Heartbeat / Healthcheck Monitoring
Hi Greg,
In Masakari [0] for VMHA, we have already implemented some what
similar function in masakri-monitors.
Masakari-monitors runs on nova-compute node, and monitors the host,
process or instance failures.
Masakari instance monitor has similar functionality with what you
have described.
Please see [1] for more details on instance monitoring.
[0] https://wiki.openstack.org/wiki/Masakari
[1] https://github.com/openstack/masakari-monitors/tree/master/masakarimonitors/instancemonitor
Once masakari-monitors detect failures, it will send notifications to
masakari-api to take appropriate recovery actions to recover that VM
from failures.
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