Re: Automatic Network Configuration in Cloud with NetworkManager (nm-cloud-setup)

[Thomas Haller]

On Mon, 2019-12-02 at 14:27 -0500, Dusty Mabe wrote:
>  
>  On 11/27/19 4:50 PM, Thomas Haller wrote:
>  > Hello,
>  > 
>  > 
>  > We (NetworkManager) are working on a tool that should help
>  > configuring
>  > NetworkManager in cloud.
>  > 
>  > This is for example for configuring the secondary IP addresses on
>  > AWS/EC2 ([1], [2])
>  > 
>  > [1] 
>  >
> https://aws.amazon.com/premiumsupport/knowledge-center/ec2-centos-rhel-se...
>  > [2] 
>  >
> https://aws.amazon.com/premiumsupport/knowledge-center/ec2-ubuntu-seconda...
>  > 
>  > 
>  > It's inspired by and serves a similar purpose as SuSE's cloud-
>  > netconfig 
>  > ([3], [4]) and ec2-net-utils package on Amazon Linux ([5]).
>  > 
>  > [3] https://www.suse.com/c/multi-nic-cloud-netconfig-ec2-azure/
>  > [4] https://github.com/SUSE-Enceladus/cloud-netconfig
>  > [5] https://github.com/aws/ec2-net-utils
>  > 
>  > 
>  > 
>  > The tool can be triggered via a systemd.timer and/or a
>  > NetworkManager
>  > dispatcher scripts. Then it fetches meta data from the Instance
>  > Metadata Service (thereby detecting whether it runs in a cloud
>  > environment). Finally it configures the networking using
>  > NetworkManager.
>  > 
>  > Currently it only supports EC2 and IPv4. But if the tool shows to
>  > be
>  > useful, it could be extended to also support other cloud providers
>  > (Azure).
>  > 
>  > 
>  > There is a merge request on review ([6], [7]). There is a bit of a
>  > hurry to get this merged, because it should make the cut for the
>  > next
>  > NetworkManager release. So, I will merge it soon to master, albeit
>  > still in an experimental state.
>  > 
>  > [6] 
>  > https://gitlab.freedesktop.org/NetworkManager/NetworkManager/merge_reques...
>  > [7] https://bugzilla.redhat.com/show_bug.cgi?id=1642461
>  > 
>  > 
>  > The plan is that cloud images could install and enable the tool, so
>  > you
>  > boot a (Fedora) image and networking would just work.
>  > 
>  > 
>  > Is there interrest in something like this? Any comments, questions?
>  
>  I think the cloud images are already using Network Manager. Would we
>  need to include
>  another rpm and enable a service? 

Yes, that would be the idea. It's called NetworkManager-cloud-setup and
now built in Fedora 32: 
https://bodhi.fedoraproject.org/updates/FEDORA-2019-fbcebb7cb3

(note: it's still experimental. It definitely needs first better
testing).


best,
Thomas