need to parse VirtletCPUModel in annotation

Signed-off-by: yanxuean <yan.xuean@zte.com.cn>

pkg/metadata/types/annotations.go

@@ -37,12 +37,12 @@ const (
  cloudInitUserDataScriptKeyName = "VirtletCloudInitUserDataScript"
  cloudInitImageType = "VirtletCloudInitImageType"
  cpuModel = "VirtletCPUModel"
+ libvirtCPUSetting = "VirtletLibvirtCPUSetting"
  sshKeysKeyName = "VirtletSSHKeys"
  // CloudInitUserDataSourceKeyName is the name of user data source key in the pod annotations.
  CloudInitUserDataSourceKeyName = "VirtletCloudInitUserDataSource"
  // SSHKeySourceKeyName is the name of ssh key source key in the pod annotations.
  SSHKeySourceKeyName = "VirtletSSHKeySource"
- libvirtCPUSetting = "VirtletLibvirtCPUSettings"
 )
 
 // CloudInitImageType specifies the image type used for cloud-init
@@ -166,6 +166,11 @@ func (va *VirtletAnnotations) parsePodAnnotations(ns string, podAnnotations map[
  }
  va.CPUSetting = &cpuSetting
  }
+
+ if cpuModelStr, found := podAnnotations[cpuModel]; found {
+ va.CPUModel = CPUModelType(cpuModelStr)
+ }
+
  if podAnnotations[cloudInitUserDataOverwriteKeyName] == "true" {
  va.UserDataOverwrite = true
  }