I'd like to monitor overall and comprehensive OpenStack environment, that is, what I want to do is monitoring all of Computer node, Controller node and VMs.
I don't understand "OpenStack" itself well, so please tell me if you find some mistakes in this article.
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These are really good questions. Thank you for asking them.
Answering them one by one:
To sum up, it is recommended to use Security Gateway, as well as deploy OneAgents on both the VMs and OpenStack hosts.
thank you very much for your detailed answer!
OK, I understand the overview of necessary installation as below.
In addition, I'd like to ask more things about licencing and consumption.
1. Is it necessary to purchase both of licences for VMs and OpenStack hosts respectively when we monitor both of them?
dynatrace automatically recognize and start to monitor each hosts that are installed OneAgent into and need some licences per host.
Of course, we can choose to enable/disable monitoring on specific hosts/application/service, but I assume we basically need licence per host, so it is necessary to purchase licences for VMs and OpenStack hosts respectively.
2. If we install OneAgent into not only each VM but also Compute nodes and Controller nodes, how do we consume licences?
I think that dynatrace have two types of licences;
One of them is "Full-stack" monitoring and the other is "Cloud-infrastructure" monitoring.
I assume that we need "Cloud-infrastructure" licence when we monitor Compute nodes and Controller nodes, and on the other hand, we need "Full-Stack" licence for monitoring of VMs managed by OpenStack.
Answering your further questions:
Please let me know if you have other questions or comments.
Thank you for your very kind answers!
Thanks to you, I now have a deeper understanding of OpenStack monitoring!
I'm going to make a trial on OpenStack monitoring in a large environment with dynatrace in the near future.
I care about additional processes for OpenStack on Compute and Controller nodes, too.