feat: add dracpu-gatherinfo troubleshooting tool

Author: AutuSnow

cmd/dracpu/gatherinfo.go

@@ -199,7 +199,7 @@ func validateAndWriteYAML(dir, filename string, data []byte) error {
 		return fmt.Errorf("path traversal detected")
 	}
 
-	// #nosec G304 -- path constructed from trusted dir + sanitized filename, validated above
+	// #nosec G703 -- path constructed from trusted dir + sanitized filename, validated above
 	if err := os.WriteFile(cleanPath, data, 0600); err != nil {
 		return fmt.Errorf("failed to write %s: %w", filename, err)
 	}
@@ -402,11 +402,11 @@ type SocketTopology struct {
 }
 
 type NUMATopology struct {
-	ID        int               `json:"id"`
-	NumCPUs   int               `json:"numCPUs"`
-	CPUSet    string            `json:"cpuset"`
-	CPUMask   string            `json:"cpuMask"`
-	L3Caches  []L3CacheTopology `json:"l3Caches"`
+	ID       int               `json:"id"`
+	NumCPUs  int               `json:"numCPUs"`
+	CPUSet   string            `json:"cpuset"`
+	CPUMask  string            `json:"cpuMask"`
+	L3Caches []L3CacheTopology `json:"l3Caches"`
 }
 
 type L3CacheTopology struct {

test/image/dracputester/app.go

@@ -1,3 +1,5 @@
+//go:build linux
+
 /*
 Copyright 2025 The Kubernetes Authors.
 

test/image/dracputester/app_test.go

@@ -1,3 +1,5 @@
+//go:build linux
+
 /*
 Copyright 2025 The Kubernetes Authors.