rt1(z9 host) unbound(role) kea_dhcp(role): create unbound and kea_dhcp role for rt1

- create unbound role
- create kea_dhcp role
- configure unbound and keadhcp on rt1(z9 host)

roles/kea_dhcp/meta/argument_specs.yaml

@@ -0,0 +1,125 @@
+---
+argument_specs:
+  main:
+    short_description: "Role for managing Kea DHCP server"
+    options:
+      kea_dhcp__stork_agent:
+        type: "dict"
+        description: "Configuration for Stork Agent"
+        options:
+          enable:
+            type: "bool"
+            default: false
+          prometheus_only:
+            type: "bool"
+            default: true
+      kea_dhcp__version_repo:
+        type: "str"
+        description: "Version of Kea DHCP repository to use"
+        default: "kea-3-0"
+      kea_dhcp__dns_servers:
+        type: "dict"
+        description: "Default DNS servers for DHCP clients"
+        options:
+          v6:
+            type: "list"
+            elements: "str"
+          v4:
+            type: "list"
+            elements: "str"
+      kea_dhcp__dhcp4:
+        type: "dict"
+        description: "Configuration for DHCPv4 service"
+        options:
+          enable:
+            type: "bool"
+            default: false
+          interfaces:
+            type: "list"
+            elements: "str"
+            default: []
+          control-sockets:
+            type: "list"
+            elements: "dict"
+          lease-database:
+            type: "dict"
+          option-data:
+            type: "list"
+            elements: "dict"
+          subnets:
+            type: "list"
+            elements: "dict"
+            options:
+              id:
+                type: "int"
+              subnet:
+                type: "str"
+              pools:
+                type: "list"
+                elements: "dict"
+                options:
+                  pool:
+                    type: "str"
+              reservations:
+                type: "list"
+                elements: "dict"
+                options:
+                  ip-address:
+                    type: "str"
+                  hostname:
+                    type: "str"
+                  hw-address:
+                    type: "str"
+                  duid:
+                    type: "str"
+              option-data:
+                type: "list"
+                elements: "dict"
+      kea_dhcp__dhcp6:
+        type: "dict"
+        description: "Configuration for DHCPv6 service"
+        options:
+          enable:
+            type: "bool"
+            default: false
+          interfaces:
+            type: "list"
+            elements: "str"
+            default: []
+          control-sockets:
+            type: "list"
+            elements: "dict"
+          lease-database:
+            type: "dict"
+          option-data:
+            type: "list"
+            elements: "dict"
+          subnets:
+            type: "list"
+            elements: "dict"
+            options:
+              id:
+                type: "int"
+              subnet:
+                type: "str"
+              pools:
+                type: "list"
+                elements: "dict"
+                options:
+                  pool:
+                    type: "str"
+              reservations:
+                type: "list"
+                elements: "dict"
+                options:
+                  ip-address:
+                    type: "str"
+                  hostname:
+                    type: "str"
+                  hw-address:
+                    type: "str"
+                  duid:
+                    type: "str"
+              option-data:
+                type: "list"
+                elements: "dict"