fix: resolve failing CI checks

- Add missing license header to datasource.test.ts
- Update golangci-lint script to skip plugins without Go files (opengemini is TypeScript-only)

Signed-off-by: aviralgarg05 <gargaviral99@gmail.com>

Author: aviralgarg05

opengemini/src/datasources/__tests__/datasource.test.ts

@@ -1,3 +1,16 @@
+// Copyright The Perses Authors
+// Licensed under the Apache License, Version 2.0 (the \"License\");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an \"AS IS\" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 describe('OpenGeminiDatasource', () => {
   it('should pass sanity check', () => {
     expect(true).toBe(true);

scripts/golangci-lint/golangci-lint.go

@@ -16,15 +16,28 @@ package main
 import (
 	"os"
 	"os/exec"
+	"path/filepath"
 
 	"github.com/perses/perses/scripts/pkg/npm"
 	"github.com/sirupsen/logrus"
 )
 
+func hasGoFiles(dir string) bool {
+	// Check if go.mod exists
+	_, err := os.Stat(filepath.Join(dir, "go.mod"))
+	return err == nil
+}
+
 func main() {
 	var isError bool
 
 	for _, workspace := range npm.MustGetWorkspaces(".") {
+		// Skip workspaces without Go files
+		if !hasGoFiles(workspace) {
+			logrus.Infof("skipping golangci-lint for the plugin %s (no Go files)", workspace)
+			continue
+		}
+
 		cmd := exec.Command("golangci-lint", "run")
 		cmd.Dir = workspace
 		cmd.Stdout = os.Stdout