[pve-devel] [RFC cluster/manager/network 0/6] Add support for DHCP servers to SDN

[Gilberto Ferreira]

I just love it!
Something I have desired for decades!
Thanks
---
Gilberto Nunes Ferreira
(47) 99676-7530 - Whatsapp / Telegram






Em sex., 8 de set. de 2023 às 10:43, Stefan Hanreich <s.hanreich at proxmox.com>
escreveu:

> This patch series adds support for automatically deploying dnsmasq as a
> DHCP
> server to a simple SDN Zone.
>
> While certainly not 100% polished on some ends (looking at restarting
> systemd
> services in particular), the general idea behind the mechanism shows. I
> wanted
> to gather some feedback on how I approached designing the plugins and the
> config regeneration process before comitting to this design by creating an
> API
> and UI around it.
>
> For your testing convenience I've provided deb packages on our share:
>   /path/to/nasi/iso/packages/shan-sdn-dhcp
>
> You need to install dnsmasq (and disable it afterwards):
>
>   apt install dnsmasq && systemctl disable --now dnsmasq
>
>
> You can use the following example configuration for deploying a DHCP
> server in
> a SDN subnet:
>
> /etc/pve/sdn/dhcp.cfg:
>
>   dnsmasq: nat
>
>
> /etc/pve/sdn/zones.cfg:
>
>   simple: DHCPNAT
>           ipam pve
>
>
> /etc/pve/sdn/vnets.cfg:
>
>   vnet: dhcpnat
>           zone DHCPNAT
>
>
> /etc/pve/sdn/subnets.cfg:
>
>   subnet: DHCPNAT-10.1.0.0-16
>           vnet dhcpnat
>           dhcp-dns-server 10.1.0.1
>           dhcp-range
> server=nat,start-address=10.1.0.100,end-address=10.1.0.200,lease-time=86400
>           dhcp-range
> server=nat,start-address=10.1.1.100,end-address=10.1.1.200,lease-time=86400,dns-server=10.1.0.2
>           gateway 10.1.0.1
>           snat 1
>
>
> Then apply the SDN configuration:
>
>   pvesh set /cluster/sdn
>
>
> Be careful that after configuring dhcp-range you do not save the subnet
> config
> from the Web UI, since the dhcp-range line will vanish from the config.
>
>
>
> pve-cluster:
>
> Stefan Hanreich (1):
>   cluster files: add dhcp.cfg
>
>  src/PVE/Cluster.pm  | 1 +
>  src/pmxcfs/status.c | 1 +
>  2 files changed, 2 insertions(+)
>
>
> pve-manager:
>
> Stefan Hanreich (1):
>   sdn: regenerate DHCP config on reload
>
>  PVE/API2/Network.pm | 1 +
>  1 file changed, 1 insertion(+)
>
>
> pve-network:
>
> Stefan Hanreich (4):
>   sdn: dhcp: add abstract class for DHCP plugins
>   sdn: dhcp: subnet: add DHCP options to subnet configuration
>   sdn: dhcp: add DHCP plugin for dnsmasq
>   sdn: dhcp: regenerate config for DHCP servers on reload
>
>  debian/control                      |   1 +
>  src/PVE/Network/SDN.pm              |  11 ++-
>  src/PVE/Network/SDN/Dhcp.pm         | 122 ++++++++++++++++++++++++++++
>  src/PVE/Network/SDN/Dhcp/Dnsmasq.pm | 115 ++++++++++++++++++++++++++
>  src/PVE/Network/SDN/Dhcp/Makefile   |   8 ++
>  src/PVE/Network/SDN/Dhcp/Plugin.pm  |  76 +++++++++++++++++
>  src/PVE/Network/SDN/Makefile        |   4 +-
>  src/PVE/Network/SDN/SubnetPlugin.pm |  43 ++++++++++
>  8 files changed, 377 insertions(+), 3 deletions(-)
>  create mode 100644 src/PVE/Network/SDN/Dhcp.pm
>  create mode 100644 src/PVE/Network/SDN/Dhcp/Dnsmasq.pm
>  create mode 100644 src/PVE/Network/SDN/Dhcp/Makefile
>  create mode 100644 src/PVE/Network/SDN/Dhcp/Plugin.pm
>
>
> Summary over all repositories:
>   11 files changed, 380 insertions(+), 3 deletions(-)
>
> --
> murpp v0.4.0
>
>
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