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docs: update manual installation #384

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05c7b79
docs: adjust used fields and fix typos
yoyocircle May 14, 2024
8199421
docs: update the descriptions of setting steps
yoyocircle May 14, 2024
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25 changes: 17 additions & 8 deletions docs/manual-install.md
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Expand Up @@ -27,11 +27,11 @@ This guide demonstrates steps required to enable the KMS Plugin for Key Vault in

[`/etc/kubernetes/azure.json`](https://kubernetes-sigs.github.io/cloud-provider-azure/install/configs/) is a well-known JSON file in each node that provides the details about which method KMS Plugin uses for access to Keyvault:

| Authentication method | `/etc/kubernetes/azure.json` fields used |
| -------------------------------- | ------------------------------------------------------------------------------------------- |
| System-assigned managed identity | `useManagedIdentityExtension: true` and `userAssignedIdentityID:""` |
| User-assigned managed identity | `useManagedIdentityExtension: true` and `userAssignedIdentityID:"<UserAssignedIdentityID>"` |
| Service principal (default) | `aadClientID: "<AADClientID>"` and `aadClientSecret: "<AADClientSecret>"` |
| Authentication method | `/etc/kubernetes/azure.json` fields used |
| -------------------------------- | ------------------------------------------------------------------------------------------------------ |
| System-assigned managed identity | `useManagedIdentityExtension: true` and `userAssignedIdentityID:""` |
| User-assigned managed identity | `useManagedIdentityExtension: true` and `userAssignedIdentityID:"<UserAssignedIdentityID>"` |
| Service principal (default) | `tenantId: "<AADTenantID>"`, `aadClientId: "<AADClientID>"` and `aadClientSecret: "<AADClientSecret>"` |

#### Obtaining the ID of the cluster managed identity/service principal

Expand Down Expand Up @@ -137,7 +137,7 @@ This guide demonstrates steps required to enable the KMS Plugin for Key Vault in

### 4. Create encryption configuration

Create a new encryption configuration file `/etc/kubernetes/manifests/encryptionconfig.yaml` using the appropriate properties for the `kms` provider:
Create a new encryption configuration file `/etc/kubernetes/enc/encryptionconfig.yaml` using the appropriate properties for the `kms` provider:

```yaml
kind: EncryptionConfiguration
Expand All @@ -147,6 +147,8 @@ This guide demonstrates steps required to enable the KMS Plugin for Key Vault in
- secrets
providers:
- kms:
# if you are using KMSv2, please specify the api version
# apiVersion: v2
name: azurekmsprovider
endpoint: unix:///opt/azurekms.socket # This endpoint must match the value defined in --listen-addr for the KMS plugin
cachesize: 1000
Expand All @@ -155,23 +157,30 @@ This guide demonstrates steps required to enable the KMS Plugin for Key Vault in

The encryption configuration file needs to be accessible by all the api servers.

### 5. Modify `/etc/kubernetes/kube-apiserver.yaml`
### 5. Modify `/etc/kubernetes/manifests/kube-apiserver.yaml`

Add the following flag:

```yaml
--encryption-provider-config=/etc/kubernetes/encryptionconfig.yaml
--encryption-provider-config=/etc/kubernetes/enc/encryptionconfig.yaml
```

Mount `/opt` to access the socket:

```yaml
...
volumeMounts:
- name: enc
mountPath: /etc/kubernetes/enc
readOnly: true
- name: "sock"
mountPath: "/opt"
...
volumes:
- name: enc
hostPath:
path: /etc/kubernetes/enc
type: DirectoryOrCreate
- name: "sock"
hostPath:
path: "/opt"
Expand Down