Kube-apiserver https Unauthorized

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1

Hi, guys! I create admin cert use following commands:

cd /opt/k8s/cert
cat > admin-csr.json <<EOF
{
  "CN": "admin",
  "hosts": [],
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "names": [
    {
      "C": "CN",
      "ST": "BeiJing",
      "L": "BeiJing",
      "O": "system:masters",
      "OU": "4Paradigm"
    }
  ]
}
EOF
cfssl gencert -ca=/etc/kubernetes/cert/ca.pem \
  -ca-key=/etc/kubernetes/cert/ca-key.pem \
  -config=/etc/kubernetes/cert/ca-config.json \
  -profile=kubernetes admin-csr.json | cfssljson -bare admin

then I use them to curl kube-apiserver https port, it failed with Unauthorized:

$ curl  --cacert /etc/kubernetes/cert/ca.pem --cert  admin.pem  --key admin-key.pem https://172.27.132.65:6443
{
  "kind": "Status",
  "apiVersion": "v1",
  "metadata": {

  },
  "status": "Failure",
  "message": "Unauthorized",
  "reason": "Unauthorized",
  "code": 401
}

Anyone can help?