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Update feature flags and rolling update description
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rifelpet committed Dec 28, 2017
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6 changes: 5 additions & 1 deletion docs/experimental.md
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Expand Up @@ -7,5 +7,9 @@ Enable experimental features with:
The following experimental features are currently available:

* `+VSphereCloudProvider` - Enable vSphere cloud provider.
* `+DrainAndValidateRollingUpdate` - Enable drain and validate for rolling updates.
* `+EnableExternalDNS` - Enable external-dns with default settings (ingress sources only).
* `+VPCSkipEnableDNSSupport` - Enables creation of a VPC that does not need DNSSupport enabled.
* `+SkipTerraformFormat` - Do not `terraform fmt` the generated terraform files.
* `+EnableExternalCloudController` - Enables the use of cloud-controller-manager introduced in v1.7.
* `+EnableSeparateConfigBase` - Allow a config-base that is different from the state store.
* `+SpecOverrideFlag` - Allow setting spec values on `kops create`.
4 changes: 1 addition & 3 deletions docs/instance_groups.md
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Expand Up @@ -48,9 +48,7 @@ See a preview with: `kops rolling-update cluster`

Then restart the machines with: `kops rolling-update cluster --yes`

NOTE: rolling-update does not yet perform a real rolling update - it just shuts down machines in sequence with a delay;
there will be downtime [Issue #37](https://github.com/kubernetes/kops/issues/37)
We have implemented a new feature that does drain and validate nodes. This feature is experimental, and you can use the new feature by setting `export KOPS_FEATURE_FLAGS="+DrainAndValidateRollingUpdate"`.
This will drain nodes, restart them with the new instance type, and validate them after startup.

## Resize an instance group

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