feat: add dhcp servers

- include puppet-dhcp module
- manage dhcp pools
- manage dhcp classes (bios/uefi)

hieradata/country/au/region/drw1/infra/dhcp/server.yaml

@@ -0,0 +1,55 @@
+---
+profiles::dhcp::server::ntpservers:
+  - ntp01.main.unkin.net
+  - ntp02.main.unkin.net
+profiles::dhcp::server::interfaces:
+  - eth0
+profiles::dhcp::server::default_lease_time: 1200
+profiles::dhcp::server::globaloptions:
+  - 'arch code 93 = unsigned integer 16'
+
+profiles::dhcp::server::pools:
+  syd1-prod:
+    network: 198.18.15.0
+    mask: 255.255.255.0
+    range:
+      - '198.18.15.200 198.18.15.220'
+    gateway: 198.18.15.254
+    nameservers:
+      - 198.18.17.7
+      - 198.18.17.8
+    domain_name: main.unkin.net
+    pxeserver: 198.18.17.48
+  syd1-test:
+    network: 198.18.16.0
+    mask: 255.255.255.0
+    range:
+      - '198.18.16.200 198.18.16.220'
+    gateway: 198.18.16.254
+    nameservers:
+      - 198.18.17.7
+      - 198.18.17.8
+    domain_name: main.unkin.net
+    pxeserver: 198.18.17.48
+  drw1-prod:
+    network: 198.18.17.0
+    mask: 255.255.255.0
+    range:
+      - '198.18.17.200 198.18.17.220'
+    gateway: 198.18.17.1
+    nameservers:
+      - 198.18.17.7
+      - 198.18.17.8
+    domain_name: main.unkin.net
+    pxeserver: 198.18.17.48
+
+  # UFI 64-bit
+profiles::dhcp::server::classes:
+  UEFI-64:
+    parameters:
+      - 'match if option arch = 00:07 or option arch = 00:09'
+      - 'filename "/ipxe.efi"'
+  Legacy:
+    parameters:
+      - 'match if option arch = 00:00'
+      - 'filename "/undionly.kpxe"'