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Update vms-and-kubernetes.mdx

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Ranjandas 2021-03-02 10:20:24 +11:00 committed by GitHub
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44
website/content/docs/k8s/installation/multi-cluster/vms-and-kubernetes.mdx
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@ -24,19 +24,19 @@ If your primary datacenter is running on Kubernetes, use the Helm config from th
Once installed, and with the `ProxyDefaults` [resource created](/docs/k8s/installation/multi-cluster/kubernetes#proxydefaults),
you'll need to export the following information from the primary Kubernetes cluster:
1. The certificate authority cert:
* The certificate authority cert:
```sh
kubectl get secrets/consul-ca-cert --template='{{index .data "tls.crt" }}' |
base64 -D > consul-agent-ca.pem
```
```sh
kubectl get secrets/consul-ca-cert --template='{{index .data "tls.crt" }}' |
base64 -D > consul-agent-ca.pem
```
2. The certificate authority signing key:
* The certificate authority signing key:
```sh
kubectl get secrets/consul-ca-key --template='{{index .data "tls.key" }}' |
base64 -D > consul-agent-ca-key.pem
```
```sh
kubectl get secrets/consul-ca-key --template='{{index .data "tls.key" }}' |
base64 -D > consul-agent-ca-key.pem
```
With the `consul-agent-ca.pem` and `consul-agent-ca-key.pem` files you can
create certificates for your servers and clients running on VMs that share the
@ -44,18 +44,18 @@ same certificate authority as your Kubernetes servers.
You can use the `consul tls` commands to generate those certificates:
```sh
# NOTE: consul-agent-ca.pem and consul-agent-ca-key.pem must be in the current
# directory.
$ consul tls cert create -server -dc=vm-dc -node <node_name>
==> WARNING: Server Certificates grants authority to become a
server and access all state in the cluster including root keys
and all ACL tokens. Do not distribute them to production hosts
that are not server nodes. Store them as securely as CA keys.
==> Using consul-agent-ca.pem and consul-agent-ca-key.pem
==> Saved vm-dc-server-consul-0.pem
==> Saved vm-dc-server-consul-0-key.pem
```
```sh
# NOTE: consul-agent-ca.pem and consul-agent-ca-key.pem must be in the current
# directory.
$ consul tls cert create -server -dc=vm-dc -node <node_name>
==> WARNING: Server Certificates grants authority to become a
server and access all state in the cluster including root keys
and all ACL tokens. Do not distribute them to production hosts
that are not server nodes. Store them as securely as CA keys.
==> Using consul-agent-ca.pem and consul-agent-ca-key.pem
==> Saved vm-dc-server-consul-0.pem
==> Saved vm-dc-server-consul-0-key.pem
```
-> Note the `-node` option in the above command. This should be same as the node name of the [Consul Agent](https://www.consul.io/docs/agent#running-an-agent). This is a [requirement](https://www.consul.io/docs/connect/gateways/mesh-gateway/wan-federation-via-mesh-gateways#tls) for Consul Federation to work. Alternatively, if you plan to use the same certificate and key pair on all your Consul server nodes, or you don't know the nodename in advance, use `-node "*"` instead.