#2177 Added conversion of 'Hostname' to 'givenName' in a node with FQDN rules applied (#2198)

hscontrol/db/node.go

@@ -607,6 +607,7 @@ func enableRoutes(tx *gorm.DB,
 }
 
 func generateGivenName(suppliedName string, randomSuffix bool) (string, error) {
+	suppliedName = util.ConvertWithFQDNRules(suppliedName)
 	if len(suppliedName) > util.LabelHostnameLength {
 		return "", types.ErrHostnameTooLong
 	}

hscontrol/db/node_test.go

@@ -392,6 +392,15 @@ func TestHeadscale_generateGivenName(t *testing.T) {
 			want:    regexp.MustCompile("^testnode$"),
 			wantErr: false,
 		},
+		{
+			name: "UPPERCASE node name generation",
+			args: args{
+				suppliedName: "TestNode",
+				randomSuffix: false,
+			},
+			want:    regexp.MustCompile("^testnode$"),
+			wantErr: false,
+		},
 		{
 			name: "node name with 53 chars",
 			args: args{