add tasks and resources for deploying kea dhcp server

deploy.yaml

@@ -3,3 +3,21 @@
   hosts: all
   roles:
     - base_config
+
+- name: Deploy DHCP server
+  hosts: dhcp
+  tasks:
+    - name: deploy kea dhcp server config
+      ansible.builtin.copy:
+        src: resources/dhcp/files/kea-dhcp4.conf
+        dest: /etc/kea/kea-dhcp4.conf
+        owner: root
+        group: root
+        mode: "0644"
+      notify: Restart Kea DHCP 4 server
+      
+  handlers:
+    - name: Restart Kea DHCP 4 server
+      ansible.builtin.service:
+        name: kea-dhcp4-server
+        state: restarted

resources/dhcp/files/kea-dhcp4.conf

@@ -0,0 +1,140 @@
+{
+"Dhcp4": {
+    "interfaces-config": {
+        "interfaces": [ "eth0" ]
+    },
+
+    "control-socket": {
+        "socket-type": "unix",
+        "socket-name": "/run/kea/kea4-ctrl-socket"
+    },
+
+    "lease-database": {
+        "type": "memfile",
+        "lfc-interval": 3600,
+        "persist": true
+    },
+
+    "expired-leases-processing": {
+        "reclaim-timer-wait-time": 10,
+        "flush-reclaimed-timer-wait-time": 25,
+        "hold-reclaimed-time": 3600,
+        "max-reclaim-leases": 100,
+        "max-reclaim-time": 250,
+        "unwarned-reclaim-cycles": 5
+    },
+
+    "calculate-tee-times": true,
+    "valid-lifetime": 7200,
+
+    "option-data": [
+        {
+            "name": "domain-name-servers",
+            "code": 6,
+            "csv-format": true,
+            "data": "94.45.254.2"
+        }
+    ],
+
+    "subnet4": [
+	    {
+            // Management
+	        "id": 255,
+ 	        "option-data": [
+	            {
+	                "data": "94.45.255.1",
+	                "name": "routers"
+	            }
+	        ],
+		    "pools": [
+		        {
+		            "pool": "94.45.255.200 - 94.45.255.254"
+		        }
+		    ],
+		    "subnet": "94.45.255.0/24",
+        },
+        {
+            // Public Wired
+            "id": 240,
+            "option-data": [
+                {
+                    "data": "94.45.240.1",
+                    "name": "routers"
+                }
+            ],
+            "pools": [
+                {
+                    "pool": "94.45.240.20 - 94.45.247.254"
+                }
+            ],
+            "subnet": "94.45.240.0/21"
+        },
+        {
+            // Public WLAN
+            "id": 224,
+            "option-data": [
+                {
+                    "data": "94.45.224.1",
+                    "name": "routers"
+                }
+            ],
+            "pools": [
+                {
+                    "pool": "94.45.224.20 - 94.45.239.254"
+                }
+            ],
+            "subnet": "94.45.224.0/20"
+        },
+        {
+            // Public Services reachable event ONLY
+            "id": 540,
+            "option-data": [
+                {
+                    "data": "94.45.254.1",
+                    "name": "routers"
+                }
+            ],
+            "pools": [
+                {
+                    "pool": "94.45.254.100 - 94.45.254.120"
+                }
+            ],
+            "subnet": "94.45.254.0/25"
+        },
+        {
+            // Public Services reachable EVERYWHERE
+            "id": 541,
+            "option-data": [
+                {
+                    "data": "94.45.254.128",
+                    "name": "routers"
+                }
+            ],
+            "pools": [
+                {
+                    "pool": "94.45.254.220 - 94.45.254.250"
+                }
+            ],
+            "subnet": "94.45.254.128/25"
+        },
+  
+    ],
+
+    "loggers": [
+    {
+        "name": "kea-dhcp4",
+        "output_options": [
+            {
+                "output": "stdout",
+
+                "pattern": "%-5p %m\n",
+            }
+        ],
+
+        "severity": "INFO",
+
+        "debuglevel": 0
+    }
+  ]
+}
+}