Collect more info for debugging #124136

test/integration/volume/util_test.go

@@ -0,0 +1,54 @@
+/*
+Copyright 2024 The Kubernetes 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.
+*/
+
+package volume
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+
+	"k8s.io/klog/v2"
+)
+
+func reportToArtifacts(filename string, obj any) {
+	if os.Getenv("ARTIFACTS") == "" {
+		return
+	}
+	path := filepath.Join(os.Getenv("ARTIFACTS"), filename)
+	file, err := os.OpenFile(path, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		klog.Error("Error opening file:", err)
+		return
+	}
+	defer func() {
+		if err := file.Close(); err != nil {
+			klog.Error("Error closing file:", err)
+		}
+	}()
+
+	content, err := json.Marshal(obj)
+	if err != nil {
+		klog.Error("Error marshalling to json:", err)
+		return
+	}
+	content = append(content, '\n')
+	_, err = file.Write(content)
+	if err != nil {
+		klog.Error("Error writing to file:", err)
+		return
+	}
+}