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Document how to run in-tree cloud providers with kubeadm #10357

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Document how to run in-tree cloud providers with kubeadm #10357

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40 changes: 40 additions & 0 deletions content/en/docs/concepts/cluster-administration/cloud-providers.md
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Expand Up @@ -9,7 +9,47 @@ This page explains how to manage Kubernetes running on a specific
cloud provider.
{{% /capture %}}

{{< toc >}}

{{% capture body %}}
### kubeadm
[kubeadm](/docs/reference/setup-tools/kubeadm/kubeadm/) is a popular option for creating kubernetes clusters.
kubeadm has configuration options to specify configuration information for cloud providers. For example a typical
in-tree cloud provider can be configured using kubeadm as shown below:

```yaml
apiVersion: kubeadm.k8s.io/v1alpha3
kind: InitConfiguration
nodeRegistration:
kubeletExtraArgs:
cloud-provider: "openstack"
cloud-config: "/etc/kubernetes/cloud.conf"
---
kind: ClusterConfiguration
apiVersion: kubeadm.k8s.io/v1alpha3
kubernetesVersion: v1.12.0
apiServerExtraArgs:
cloud-provider: "openstack"
cloud-config: "/etc/kubernetes/cloud.conf"
apiServerExtraVolumes:
- name: cloud
hostPath: "/etc/kubernetes/cloud.conf"
mountPath: "/etc/kubernetes/cloud.conf"
controllerManagerExtraArgs:
cloud-provider: "openstack"
cloud-config: "/etc/kubernetes/cloud.conf"
controllerManagerExtraVolumes:
- name: cloud
hostPath: "/etc/kubernetes/cloud.conf"
mountPath: "/etc/kubernetes/cloud.conf"
```

The in-tree cloud providers typically need both `--cloud-provider` and `--cloud-config` specified in the command lines
for the [kube-apiserver](/docs/admin/kube-apiserver/), [kube-controller-manager](/docs/admin/kube-controller-manager/) and the
[kubelet](/docs/admin/kubelet/). The contents of the file specified in `--cloud-config` for each provider is documented below as well.

For all external cloud providers, please follow the instructions on the individual repositories.

## AWS
This section describes all the possible configurations which can
be used when running Kubernetes on Amazon Web Services.
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