fickit: add DHCP server on admin link

fickit-backend.yml

@@ -228,6 +228,18 @@ services:
     runtime:
       mkdir:
         - /var/lib/fic/outofsync
+  - name: dhcp-server
+    image: joebiellik/dhcpd
+    binds:
+      - /etc/dhcp/dhcpd.conf:/etc/dhcp/dhcpd.conf:ro
+    capabilities:
+     - CAP_NET_BIND_SERVICE
+     - CAP_NET_RAW
+     - CAP_DAC_OVERRIDE
+    net: /run/netns/fic-admin
+    pid: new
+    ipc: new
+    uts: new
 
 files:
   - path: root/synchro.sh
@@ -248,6 +260,16 @@ files:
       [mysqld]
       max_connections = 99999
     mode: "0444"
+  - path: etc/dhcp/dhcpd.conf
+    contents: |
+      default-lease-time 600;
+      max-lease-time 7200;
+      option subnet-mask 255.255.255.0;
+      option broadcast-address 192.168.23.255;
+      subnet 192.168.23.0 netmask 255.255.255.0 {
+        range  192.168.23.10  192.168.23.250;
+      }
+    mode: "0440"
   - path: etc/iptables/rules.v6
     contents: |
       *filter