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update release notes and docs

This commit is contained in:
Bronson Mirafuentes 2022-10-20 08:32:53 -07:00
parent 33ce871d49
commit 9d16b9a58f
2 changed files with 21 additions and 2 deletions
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4
docs/releases/1.26-NOTES.md
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@ -6,6 +6,8 @@ This is a document to gather the release notes prior to the release.
# Significant changes
* Instance group images can now be dynamically fetched through an AWS SSM Parameter (AWS only).
# Breaking changes
@ -23,4 +25,4 @@ This is a document to gather the release notes prior to the release.
* Support for AWS Classic Load Balancer for API is deprecated and should not be used for newly created clusters.
# Full change list since 1.25.0 release
# Full change list since 1.25.0 release

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docs/tutorial/working-with-instancegroups.md
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@ -12,7 +12,7 @@ By default, a cluster has:
because we need to force the cloud to run an instance in every zone, so we can mount the master volumes - we
cannot do that across zones.
This page explains some common instance group operations. For more detailed documentation of the various configuration keys, see the [InstanceGroup Resource](../instance_groups.md).
This page explains some common instance group operations. For more detailed documentation of the various configuration keys, see the [InstanceGroup Resource](../instance_groups.md).
## Instance Groups Disclaimer
@ -192,6 +192,23 @@ you might want to make more changes or you might want to wait for off-peak hours
the instances to terminate naturally - new instances will come up with the new configuration - though if you're not
using preemptible/spot instances you might be waiting for a long time.
## Fetching images via AWS SSM (AWS Only)
If you are using AWS, you can dynamically fetch instance group images from an AWS SSM Parameter. kOps will automatically fetch SSM Parameter and lookup the AMI ID on every `kops update cluster` run. This is useful if you often update your images and don't want to update your instance group configuration every time. Your SSM Parameter must start with `ssm:` and contain the full path of the SSM Parameter.
An example spec looks like this:
```yaml
metadata:
name: nodes-us-west-2a
spec:
image: ssm:/aws/service/canonical/ubuntu/server/18.04/stable/current/amd64/hvm/ebs-gp2/ami-id
machineType: t3.medium
maxSize: 1
minSize: 1
role: Node
```
## Changing the root volume size or type
The default volume size for Masters is 64 GB, while the default volume size for a node is 128 GB.