Update encrypt-data.md - multi-master configuration notice

Add short notice about multi-cluster configurations
2022-01-18 12:40:37 +02:00
parent b599a32374
commit 0ef0c8d570
1 changed files with 5 additions and 0 deletions
@@ -27,6 +27,11 @@ The `kube-apiserver` process accepts an argument `--encryption-provider-config`
 that controls how API data is encrypted in etcd. An example configuration
 is provided below.

+{{< caution >}}
+**IMPORTANT:** For multi-master configurations (with two or more control plane nodes) the encryption configuration file must be the same!
+Otherwise, the kube-api-server will not be able to decrypt data stored inside the key-value store.
+{{< /caution >}}
+
 ## Understanding the encryption at rest configuration.

 ```yaml