fix: resolve index out of range panic in fetchContainerInfo for Ascend devices

- Pre-allocate bizContainerDevices based on actual container count
  to prevent out-of-bounds access when annotation device count
  differs from pod container count
- Merge devices from all device types per container instead of
  overwriting, which previously caused device data loss for
  multi-device-type pods
- Add container index boundary check in DecodePodDevices Ascend
  branch to align with NVIDIA/Hygon/Metax device handling

Fixes #94

Author: cygnus-yunify

server/internal/data/pod.go

@@ -112,11 +112,20 @@ func (r *podRepo) fetchContainerInfo(pod *corev1.Pod) []*biz.Container {
 	if err != nil {
 		return containers
 	}
-	bizContainerDevices := []biz.ContainerDevices{}
+	// Merge devices from all device types per container index.
+	// pdevices: map[deviceType]PodSingleDevice([]ContainerDevices)
+	numContainers := len(pod.Spec.Containers)
+	bizContainerDevices := make([]biz.ContainerDevices, numContainers)
 	for _, pds := range pdevices {
-		copier.Copy(&bizContainerDevices, pds)
+		var bizPds biz.PodSingleDevice
+		copier.Copy(&bizPds, pds)
+		for i, cd := range bizPds {
+			if i < numContainers {
+				bizContainerDevices[i] = append(bizContainerDevices[i], cd...)
+			}
+		}
 	}
-	if len(bizContainerDevices) < 1 {
+	if len(pdevices) == 0 {
 		return containers
 	}
 

server/internal/provider/util/util.go

@@ -317,7 +317,14 @@ func DecodePodDevices(pod *corev1.Pod, log *log.Helper) (PodDevices, error) {
 		pd[devType] = make(PodSingleDevice, 0)
 		switch devType {
 		case AscendGPUDevice, Ascend310PGPUDevice:
-			for _, s := range strings.Split(str, OnePodMultiContainerSplitSymbol) {
+			for i, s := range strings.Split(str, OnePodMultiContainerSplitSymbol) {
+				if i >= len(pod.Spec.Containers) {
+					break
+				}
+				if s == "" {
+					pd[devType] = append(pd[devType], ContainerDevices{})
+					continue
+				}
 				cd, err := DecodeNpuContainerDevices(s)
 				if err != nil {
 					return PodDevices{}, nil