Hello
We are considering implementing actions on services of a murano
environment via mistral workflows. We are considering whether mistral
std.ssh action could be used to run some command on an instance. Example
of such action in murano could be restart action on Mysql DB service.
Mistral workflow would ssh to that instance running Mysql and run
"service mysql restart". From my point of view trying to use SSH to
access instances from mistral workflow is not good
idea but I would like to confirm it.
The biggest problem I see there is openstack networking. Mistral service
running on some openstack node would not be able to access instance via
its fixed IP (e.g. 10.0.0.5) via SSH. Instance could accessed via ssh
from namespace of its gateway router e.g. "ip netns exec qrouter-... ssh
cirros@10.0.0.5" but I think it is not good to rely on implementation
detail of neutron and use it. In multinode openstack deployment it
could be even more complicated.
In other words I am asking whether we can use std.ssh mistral action to
access instances via ssh on theirs fixed IPs? I think no but I would
like to confirm it.
Thanks
Filip
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