config: add dhcpOpts, import from salt-pillar

nix/lib/config/legacy.nix

@@ -25,6 +25,13 @@ in
     (builtins.mapAttrs (_: vlan: { vlan = vlan; }) pillar.vlans)
     (builtins.mapAttrs (_: subnet4: { inherit subnet4; }) pillar.subnets-inet)
     (builtins.mapAttrs (_: hosts4: { inherit hosts4; }) pillar.hosts-inet)
+    (builtins.mapAttrs (_: dhcpData: {
+      dhcp = {
+        inherit (dhcpData) start end time max-time;
+        router = dhcpData.host-opts.routers;
+        domainName = dhcpData.string-opts.domain-name;
+      };
+    }) pillar.dhcp)
     { core.ospf.secret = pillar.ospf.secret; }
   ] ++ (
     map (ctx:

nix/lib/config/options.nix

@@ -2,6 +2,32 @@
 
 with lib;
 let
+  dhcpOpts = {
+    start = mkOption {
+      description = "First IP address in pool";
+      type = types.str;
+    };
+    end = mkOption {
+      description = "Last IP address in pool";
+      type = types.str;
+    };
+    time = mkOption {
+      description = "Renew time in seconds";
+      type = types.int;
+    };
+    max-time = mkOption {
+      description = "Max renew time in seconds";
+      type = types.int;
+    };
+    router = mkOption {
+      description = "Gateway";
+      type = types.str;
+    };
+    domainName = mkOption {
+      description = "Domain name option";
+      type = types.str;
+    };
+  };
   netOpts = { name, ... }: {
     options = {
       vlan = mkOption {
@@ -45,6 +71,10 @@ let
           default = null;
         };
       };
+      dhcp = mkOption {
+        type = with types; nullOr (submodule { options = dhcpOpts; });
+        default = null;
+      };
     };
   };
   interfaceOpts = { name, ... }: {