Update protobuf definitions + support methods for the API

Add more logging

Updated protos with new routes API

proto/headscale/v1/headscale.proto

@@ -126,17 +126,31 @@ service HeadscaleService {
     // --- Machine end ---
 
     // --- Route start ---
-    rpc GetMachineRoute(GetMachineRouteRequest) returns (GetMachineRouteResponse) {
+    rpc GetRoutes(GetRoutesRequest) returns (GetRoutesResponse) {
+        option (google.api.http) = {
+            get: "/api/v1/routes"
+        };
+    }
+
+    rpc EnableRoute(EnableRouteRequest) returns (EnableRouteResponse) {
+        option (google.api.http) = {
+            post: "/api/v1/routes/{route_id}/enable"
+        };
+    }
+
+    rpc DisableRoute(DisableRouteRequest) returns (DisableRouteResponse) {
+        option (google.api.http) = {
+            post: "/api/v1/routes/{route_id}/disable"
+        };
+    }
+
+
+    rpc GetMachineRoutes(GetMachineRoutesRequest) returns (GetMachineRoutesResponse) {
         option (google.api.http) = {
             get: "/api/v1/machine/{machine_id}/routes"
         };
     }
 
-    rpc EnableMachineRoutes(EnableMachineRoutesRequest) returns (EnableMachineRoutesResponse) {
-        option (google.api.http) = {
-            post: "/api/v1/machine/{machine_id}/routes"
-        };
-    }
     // --- Route end ---
 
     // --- ApiKeys start ---

proto/headscale/v1/routes.proto

@@ -2,24 +2,47 @@ syntax = "proto3";
 package headscale.v1;
 option  go_package = "github.com/juanfont/headscale/gen/go/v1";
 
-message Routes {
-    repeated string advertised_routes = 1;
-    repeated string enabled_routes    = 2;
+import "google/protobuf/timestamp.proto";
+import "headscale/v1/machine.proto";
+
+message Route {
+    uint64  id          = 1;
+    Machine machine     = 2;
+    string  prefix      = 3;
+    bool    advertised   = 4;
+    bool    enabled     = 5;
+    bool    is_primary  = 6;
+
+    google.protobuf.Timestamp created_at = 7;
+    google.protobuf.Timestamp updated_at = 8;
+    google.protobuf.Timestamp deleted_at = 9;
 }
 
-message GetMachineRouteRequest {
+message GetRoutesRequest {
+}
+
+message GetRoutesResponse {
+    repeated Route routes = 1;
+}
+
+message EnableRouteRequest {
+    uint64 route_id = 1;
+}
+
+message EnableRouteResponse {
+}
+
+message DisableRouteRequest {
+    uint64 route_id = 1;
+}
+
+message DisableRouteResponse {
+}
+
+message GetMachineRoutesRequest {
     uint64 machine_id = 1;
 }
 
-message GetMachineRouteResponse {
-    Routes routes = 1;
-}
-
-message EnableMachineRoutesRequest {
-    uint64          machine_id = 1;
-    repeated string routes     = 2;
-}
-
-message EnableMachineRoutesResponse {
-    Routes routes = 1;
-}
+message GetMachineRoutesResponse {
+    repeated Route routes = 1;
+}

routes.go

@@ -5,7 +5,9 @@ import (
 	"fmt"
 	"net/netip"
 
+	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
 	"github.com/rs/zerolog/log"
+	"google.golang.org/protobuf/types/known/timestamppb"
 	"gorm.io/gorm"
 )
 
@@ -49,6 +51,64 @@ func (rs Routes) toPrefixes() []netip.Prefix {
 	return prefixes
 }
 
+func (h *Headscale) GetRoutes() ([]Route, error) {
+	var routes []Route
+	err := h.db.Preload("Machine").Find(&routes).Error
+	if err != nil {
+		return nil, err
+	}
+
+	return routes, nil
+}
+
+func (h *Headscale) GetMachineRoutes(m *Machine) ([]Route, error) {
+	var routes []Route
+	err := h.db.
+		Preload("Machine").
+		Where("machine_id = ?", m.ID).
+		Find(&routes).Error
+	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, err
+	}
+
+	return routes, nil
+}
+
+func (h *Headscale) GetRoute(id uint64) (*Route, error) {
+	var route Route
+	err := h.db.Preload("Machine").First(&route, id).Error
+	if err != nil {
+		return nil, err
+	}
+
+	return &route, nil
+}
+
+func (h *Headscale) EnableRoute(id uint64) error {
+	route, err := h.GetRoute(id)
+	if err != nil {
+		return err
+	}
+
+	return h.EnableRoutes(&route.Machine, netip.Prefix(route.Prefix).String())
+}
+
+func (h *Headscale) DisableRoute(id uint64) error {
+	route, err := h.GetRoute(id)
+	if err != nil {
+		return err
+	}
+
+	route.Enabled = false
+	route.IsPrimary = false
+	err = h.db.Save(route).Error
+	if err != nil {
+		return err
+	}
+
+	return h.handlePrimarySubnetFailover()
+}
+
 // isUniquePrefix returns if there is another machine providing the same route already.
 func (h *Headscale) isUniquePrefix(route Route) bool {
 	var count int64
@@ -163,6 +223,10 @@ func (h *Headscale) handlePrimarySubnetFailover() error {
 		if !route.IsPrimary {
 			_, err := h.getPrimaryRoute(netip.Prefix(route.Prefix))
 			if h.isUniquePrefix(route) || errors.Is(err, gorm.ErrRecordNotFound) {
+				log.Info().
+					Str("prefix", netip.Prefix(route.Prefix).String()).
+					Str("machine", route.Machine.GivenName).
+					Msg("Setting primary route")
 				routes[pos].IsPrimary = true
 				err := h.db.Save(&routes[pos]).Error
 				if err != nil {
@@ -247,3 +311,28 @@ func (h *Headscale) handlePrimarySubnetFailover() error {
 
 	return nil
 }
+
+func (rs Routes) toProto() []*v1.Route {
+	protoRoutes := []*v1.Route{}
+
+	for _, route := range rs {
+		protoRoute := v1.Route{
+			Id:         uint64(route.ID),
+			Machine:    route.Machine.toProto(),
+			Prefix:     netip.Prefix(route.Prefix).String(),
+			Advertised: route.Advertised,
+			Enabled:    route.Enabled,
+			IsPrimary:  route.IsPrimary,
+			CreatedAt:  timestamppb.New(route.CreatedAt),
+			UpdatedAt:  timestamppb.New(route.UpdatedAt),
+		}
+
+		if route.DeletedAt.Valid {
+			protoRoute.DeletedAt = timestamppb.New(route.DeletedAt.Time)
+		}
+
+		protoRoutes = append(protoRoutes, &protoRoute)
+	}
+
+	return protoRoutes
+}