```ruby
$update_channel="alpha"

$controller_count=1
$controller_vm_memory=1024

$worker_count=2
$worker_vm_memory=1024

$etcd_count=1
$etcd_vm_memory=256

```

Revert coreos to stable (no need for kubelet-wrapper anymore)
user
```ruby
$update_channel="stable"

$controller_count=1
$controller_vm_memory=1024

$worker_count=2
$worker_vm_memory=1024

$etcd_count=1
$etcd_vm_memory=256

```
assistant