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Merge pull request #1375 from galal-hussein/add_system_tools

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Add certificate information and rotation docs
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Denise
2019-04-23 13:54:55 -07:00
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parent a7476729ba b9cff79792
commit ebdc548eff
1 changed files with 26 additions and 4 deletions
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content/rancher/v2.x/en/cluster-admin/certificate-rotation/_index.md
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@@ -3,12 +3,8 @@ title: Certificate Rotation
weight: 2040
---
_Available as of v2.2.0_
By default, Kubernetes clusters require certificates and Rancher launched Kubernetes clusters automatically generate certificates for the Kubernetes components. Rotating these certificates is important before the certificates expire as well as if a certificate is compromised. After the certificates are rotated, the Kubernetes components are automatically restarted.
> **Note:** Even though the RKE CLI can use custom certificates for the Kubernetes cluster components, Rancher currently doesn't allow the ability to upload these in Rancher Launched Kubernetes clusters.
Certificates can be rotated for the following services:
- etcd
@@ -18,6 +14,11 @@ Certificates can be rotated for the following services:
- kube-scheduler
- kube-controller-manager
### Certificate Rotation in Rancher v2.2.x
_Available as of v2.2.0_
Rancher launched Kubernetes clusters have the ability to rotate the auto-generated certificates through the UI.
1. In the **Global** view, navigate to the cluster that you want to rotate certificates.
@@ -32,3 +33,24 @@ Rancher launched Kubernetes clusters have the ability to rotate the auto-generat
4. Click **Save**.
**Results:** The selected certificates will be rotated and the related services will be restarted to start using the new certificate.
> **Note:** Even though the RKE CLI can use custom certificates for the Kubernetes cluster components, Rancher currently doesn't allow the ability to upload these in Rancher Launched Kubernetes clusters.
### Certificate Rotation in Rancher v2.1.x and v2.0.x
_Available as of v2.1.14 and v2.0.9_
Rancher launched Kubernetes clusters have the ability to rotate the auto-generated certificates through the API.
1. In the **Global** view, navigate to the cluster that you want to rotate certificates.
2. Select the **Ellipsis (...) > View in API**.
3. Click on **RotateCertificates**.
4. Click on **Show Request**.
5. Click on **Send Request**.
**Results:** All kubernetes certificates will be rotated.