[BUG] 使用sidecarset引入projected的serviceAccountToken类型的volume报错

[zhaoxuechao01]

What happened:

• name: istio-token
  projected:
  defaultMode: 420
  sources:
  • serviceAccountToken:
    audience: istio-ca
    expirationSeconds: 43200
    path: istio-token

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

Environment:

• Kruise version:
• Kubernetes version (use kubectl version):
• Install details (e.g. helm install args):
• Others:

[zmberg]

This can be solved by adding a default 'serviceAccountName' to the code. For community documents please refer to: https://kubernetes.io/docs/concepts/storage/projected-volumes/#serviceaccounttoken .

@zhaoxuechao01 Can you submit the fix pr?