Demo bootstrap tls

#Create CA/key for master.

###Use https://github.com/coreos/coreos-baremetal/blob/master/scripts/tls/root-ca

$ ./root-ca /tmp
Generating RSA private key, 2048 bit long modulus
.....................................................................+++
...........+++
e is 65537 (0x10001)

#Launch local cluster

# Clean up certs, keys.
$ sudo rm /var/run/kubernetes/*

# Modify the local-up-cluster.sh to enable bootstrap token.
$ git diff hack/local-up-cluster.sh
diff --git a/hack/local-up-cluster.sh b/hack/local-up-cluster.sh
index b8c81e5..ae3b60e 100755
--- a/hack/local-up-cluster.sh
+++ b/hack/local-up-cluster.sh
@@ -309,6 +309,8 @@ function start_controller_manager {
       --v=${LOG_LEVEL} \
       --service-account-private-key-file="${SERVICE_ACCOUNT_KEY}" \
       --root-ca-file="${ROOT_CA_FILE}" \
+      --cluster-signing-cert-file="/tmp/ca.pem" \
+      --cluster-signing-key-file="/tmp/ca-key.pem" \
       --enable-hostpath-provisioner="${ENABLE_HOSTPATH_PROVISIONER}" \
       ${node_cidr_args} \
       --pvclaimbinder-sync-period="${CLAIM_BINDER_SYNC_PERIOD}" \
@@ -370,6 +372,7 @@ function start_kubelet {
         --address="${KUBELET_HOST}" \
         --api-servers="${API_HOST}:${API_PORT}" \
         --cpu-cfs-quota=${CPU_CFS_QUOTA} \
+        --bootstrap-auth-token="abcdef012345689" \
         ${dns_args} \
         ${net_plugin_dir_args} \
         ${net_plugin_args} \


$ hack/local-up-cluster.sh
...
# It's now waiting certs from the control plane.

#Approve(or deny the request) ###Use https://github.com/gtank/csrctl

$ ./csrctl.sh get
{
  "kind": "CertificateSigningRequestList",
  "apiVersion": "certificates/v1alpha1",
  "metadata": {
    "selfLink": "/apis/certificates/v1alpha1/certificatesigningrequests/",
    "resourceVersion": "17"
  },
  "items": [
    {
      "metadata": {
        "name": "csr-d3kn4",
        "generateName": "csr-",
        "selfLink": "/apis/certificates/v1alpha1/certificatesigningrequests/csr-d3kn4",
        "uid": "d75c754d-5b41-11e6-a485-28d244b00276",
        "resourceVersion": "17",
        "creationTimestamp": "2016-08-05T19:21:42Z"
      },
      "spec": {
        "request": "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"
      },
      "status": {}
    }
  ]
}

$ ./csrctl.sh approve csr-d3kn4
{
  "kind": "CertificateSigningRequest",
  "apiVersion": "certificates/v1alpha1",
  "metadata": {
    "name": "csr-d3kn4",
    "generateName": "csr-",
    "selfLink": "/apis/certificates/v1alpha1/certificatesigningrequests/csr-d3kn4/approval",
    "uid": "d75c754d-5b41-11e6-a485-28d244b00276",
    "resourceVersion": "57",
    "creationTimestamp": "2016-08-05T19:21:42Z"
  },
  "spec": {
    "request": "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"
  },
  "status": {
    "conditions": [
      {
        "type": "Approved",
        "lastUpdateTime": null
      }
    ]
  }
}

# After approve
$ ./csrctl.sh get
{
  "kind": "CertificateSigningRequestList",
  "apiVersion": "certificates/v1alpha1",
  "metadata": {
    "selfLink": "/apis/certificates/v1alpha1/certificatesigningrequests/",
    "resourceVersion": "89"
  },
  "items": [
    {
      "metadata": {
        "name": "csr-d3kn4",
        "generateName": "csr-",
        "selfLink": "/apis/certificates/v1alpha1/certificatesigningrequests/csr-d3kn4",
        "uid": "d75c754d-5b41-11e6-a485-28d244b00276",
        "resourceVersion": "58",
        "creationTimestamp": "2016-08-05T19:21:42Z"
      },
      "spec": {
        "request": "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"
      },
      "status": {
        "conditions": [
          {
            "type": "Approved",
            "lastUpdateTime": null
          }
        ],
        "certificate": "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"
      }
    }
  ]
}

# And kubelet is ready

$ kubectl get nodes
NAME        STATUS    AGE
127.0.0.1   Ready     1m

yifan-gu/boostrap-tls.md