modified code to satisfy golangci-lint and added integration test

cmd/headscale/cli/routes.go

@@ -131,12 +131,10 @@ omit the route you do not want to enable.
 		defer cancel()
 		defer conn.Close()
 
-		routes := []string{}
+		var routes []string
 
 		isAll, _ := cmd.Flags().GetBool("all")
-		if isAll == true {
-			// x := v1.NewHeadscaleServiceClient(conn)
-			// machine, err := x.GetMachineByID(machineID)
+		if isAll {
 			response, err := client.GetMachineRoute(ctx, &v1.GetMachineRouteRequest{
 				MachineId: machineID,
 			})
@@ -149,6 +147,8 @@ omit the route you do not want to enable.
 					),
 					output,
 				)
+
+				return
 			}
 			routes = response.GetRoutes().GetAdvertisedRoutes()
 		} else {
@@ -159,6 +159,7 @@ omit the route you do not want to enable.
 					fmt.Sprintf("Error getting routes from flag: %s", err),
 					output,
 				)
+
 				return
 			}
 		}

integration_cli_test.go

@@ -1076,6 +1076,35 @@ func (s *IntegrationCLITestSuite) TestRouteCommand() {
 		string(failEnableNonAdvertisedRoute),
 		"route (route-machine) is not available on node",
 	)
+
+	// Enable all routes on host
+	enableAllRouteResult, err := ExecuteCommand(
+		&s.headscale,
+		[]string{
+			"headscale",
+			"routes",
+			"enable",
+			"--output",
+			"json",
+			"--identifier",
+			"0",
+			"--all",
+		},
+		[]string{},
+	)
+	assert.Nil(s.T(), err)
+
+	var enableAllRoute v1.Routes
+	err = json.Unmarshal([]byte(enableAllRouteResult), &enableAllRoute)
+	assert.Nil(s.T(), err)
+
+	assert.Len(s.T(), enableAllRoute.AdvertisedRoutes, 2)
+	assert.Contains(s.T(), enableAllRoute.AdvertisedRoutes, "10.0.0.0/8")
+	assert.Contains(s.T(), enableAllRoute.AdvertisedRoutes, "192.168.1.0/24")
+
+	assert.Len(s.T(), enableAllRoute.EnabledRoutes, 2)
+	assert.Contains(s.T(), enableAllRoute.EnabledRoutes, "10.0.0.0/8")
+	assert.Contains(s.T(), enableAllRoute.EnabledRoutes, "192.168.1.0/24")
 }
 
 func (s *IntegrationCLITestSuite) TestApiKeyCommand() {