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docs: Remove warning about Amazon VPC CNI not being compatible with Ubuntu 22.04 #16326

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Feb 6, 2024
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docs: Remove warning about Amazon VPC CNI not being compatible with Ubuntu 22.04 #16326

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docs: remove warning about aws vpc cni not being compatible with Ubun…
moshevayner Feb 5, 2024
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moshevayner Feb 5, 2024
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5 changes: 2 additions & 3 deletions docs/networking/aws-vpc.md
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Expand Up @@ -2,7 +2,7 @@

The Amazon VPC CNI uses the native AWS networking for Pods. Every pod gets an Elastic Network Interface (ENI) on the node it is running and an IP address belonging to the subnets assigned to the node.

**WARNING**: The Amazon VPC CNI is not compatible with Ubuntu 22.04. See [kubernetes/kops#15720](https://github.com/kubernetes/kops/issues/15720) and [aws/amazon-vpc-cni-k8s#2103](https://github.com/aws/amazon-vpc-cni-k8s/issues/2103) for more info.
**WARNING**: The Amazon VPC CNI is not compatible with Ubuntu 22.04 and kOps versions earlier than 1.29. See [kubernetes/kops#15720](https://github.com/kubernetes/kops/issues/15720) and [aws/amazon-vpc-cni-k8s#2103](https://github.com/aws/amazon-vpc-cni-k8s/issues/2103) for more info (Fix was applied via [kubernetes/kops#16313](https://github.com/kubernetes/kops/issues/16313) in kOps 1.29).

## Installing

Expand All @@ -26,7 +26,6 @@ kops create cluster \

**Important:** pods use the VPC CIDR, i.e. there is no isolation between the master, node/s and the internal k8s network. In addition, this CNI does not enforce network policies.


## Configuration

[Configuration options for the Amazon VPC CNI plugin](https://github.com/aws/amazon-vpc-cni-k8s/tree/master#cni-configuration-variables) can be set through env vars defined in the cluster spec:
Expand All @@ -43,4 +42,4 @@ kops create cluster \

## Troubleshooting

In case of any issues the directory `/var/log/aws-routed-eni` contains the log files of the CNI plugin. This directory is located in all the nodes in the cluster.
In case of any issues the directory `/var/log/aws-routed-eni` contains the log files of the CNI plugin. This directory is located in all the nodes in the cluster.
3 changes: 1 addition & 2 deletions docs/operations/images.md
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Expand Up @@ -5,6 +5,7 @@ As of Kubernetes 1.27 the default images used by kOps are the **[official Ubuntu
You can choose a different image for an instance group by editing it with `kops edit ig nodes`.

For AWS, you should set the `image` field in one of the following formats:

* `ami-abcdef` - specifies an image by id directly (image id is precise, but ids vary by region)
* `<owner>/<name>` specifies an image by its owner's account ID and name properties
* `<alias>/<name>` specifies an image by its [owner's alias](#owner-aliases) and name properties
Expand Down Expand Up @@ -224,8 +225,6 @@ az vm image list --all --output table \

Ubuntu 22.04 is based on Kernel version **5.15** which fixes all the known major Kernel bugs.

**WARNING**: The Amazon VPC CNI is not compatible with Ubuntu 22.04. See [kubernetes/kops#15720](https://github.com/kubernetes/kops/issues/15720) and [aws/amazon-vpc-cni-k8s#2103](https://github.com/aws/amazon-vpc-cni-k8s/issues/2103) for more info.

Available images can be listed using:

```bash
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4 changes: 2 additions & 2 deletions docs/releases/1.29-NOTES.md
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Expand Up @@ -43,12 +43,12 @@ instances.
## Other breaking changes

* `kops toolbox dump` limits the number of nodes dumped to 500 by default. Use `--max-nodes` to override.

* Support for Kubernetes version 1.23 has been removed.

# Known Issues

* The Amazon VPC CNI is not compatible with Ubuntu 22.04. See [kubernetes/kops#15720](https://github.com/kubernetes/kops/issues/15720) and [aws/amazon-vpc-cni-k8s#2103](https://github.com/aws/amazon-vpc-cni-k8s/issues/2103) for more info.
* The Amazon VPC CNI is now compatible with Ubuntu 22.04. Fix applied via [kubernetes/kops#16313](https://github.com/kubernetes/kops/issues/16313).

# Deprecations

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