[kubevirt-dev][design-proposal] host ip pool with nmstate

[Felix Enrique Llorente Pastora]

Hi, 

   As an effort to implement an IPAM like feature for kubernetes cluster node we (the kubevirt network team) has put in place a design doc to extend kubernetes-nmstate to implement it, it also has some points related to adapt it to bare metal IPI. 

   Basically it extends the "capture" feature to make reference to a new CRD NodeIPPool that will store the IPAM information. https://github.com/nmstate/kubernetes-nmstate/pull/1088

   Reviews are welcome.

BR

--

Quique Llorente

CNV networking Senior Software Engineer

Red Hat EMEA

ello...@redhat.com   

@RedHat   Red Hat  Red Hat

[Fabian Deutsch]

Hey Felix,

are you saying this will be providing IPAM to node NICs or to secondary NICs of pods (and VMs)?

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[Felix Enrique Llorente Pastora]

On Fri, Jun 3, 2022 at 2:15 PM Fabian Deutsch <fdeu...@redhat.com> wrote:

Hey Felix,

are you saying this will be providing IPAM to node NICs or to secondary NICs of pods (and VMs)?

This is for node primary and secondary NICs.

[Miguel Duarte de Mora Barroso]

On Fri, Jun 3, 2022 at 2:57 PM Felix Enrique Llorente Pastora <ello...@redhat.com> wrote:

On Fri, Jun 3, 2022 at 2:15 PM Fabian Deutsch <fdeu...@redhat.com> wrote:

Hey Felix,

are you saying this will be providing IPAM to node NICs or to secondary NICs of pods (and VMs)?

This is for node primary and secondary NICs.

I think this proposal is to provide IPAM to interfaces *exclusively* on the nodes. For pods, you'd use an IPAM CNI plugin.

[Felix Enrique Llorente Pastora]

On Fri, Jun 3, 2022 at 3:30 PM Miguel Duarte de Mora Barroso <mdba...@redhat.com> wrote:

On Fri, Jun 3, 2022 at 2:57 PM Felix Enrique Llorente Pastora <ello...@redhat.com> wrote:

On Fri, Jun 3, 2022 at 2:15 PM Fabian Deutsch <fdeu...@redhat.com> wrote:

Hey Felix,

are you saying this will be providing IPAM to node NICs or to secondary NICs of pods (and VMs)?

This is for node primary and secondary NICs.

I think this proposal is to provide IPAM to interfaces *exclusively* on the nodes. For pods, you'd use an IPAM CNI plugin.

Yes, it means just node NICs, not pods.