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Added docs for installing dapr to hybrid windows/linux clusters (#679)

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Charlie Stanley 2020-07-10 13:21:04 -07:00
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getting-started/cluster/hybrid-clusters.md Normal file
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# Deploying to Hybrid Linux/Winodws K8s Clusters
## Installing the Dapr Control Plane
If you are installing using the Dapr CLI or via helm chart, you can simply follow our normal deployment procedures:
[Installing Dapr on a Kubernetes cluster](../environment-setup.md#installing-Dapr-on-a-kubernetes-cluster)
Affinity will be automatically set for kubernetes.io/os=linux. If you need to override linux to another value, you can do so by setting:
```
helm install dapr dapr/dapr --set global.daprControlPlaneOs=YOUR_OS
```
Dapr control plane container images are only provided for Linux, so you shouldn't need to do this unless you really know what you are doing.
## Installing Dapr Apps
The Dapr sidecar container is currently linux only. For this reason, if you are writing a Dapr application, you must run it in a Linux container. You can track the progress of Dapr sidecar support for windows containers via [dapr/dapr#842](https://github.com/dapr/dapr/issues/842).
When deploying to a hybrid cluster, you must configure your apps to be deployed to only Linux available nodes. One of the simplest ways to do this is to add kubernetes.io/os=linux to your app's nodeSelector.
```yaml
spec:
nodeSelector:
kubernetes.io/os: linux
```
Kubernetes also supports much more advanced configuration via node affinity.
See https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/ for more examples.

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getting-started/environment-setup.md
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- [Setup Google Cloud Kubernetes Engine](https://cloud.google.com/kubernetes-engine/docs/quickstart)
- [Setup Amazon Elastic Kubernetes Service](https://docs.aws.amazon.com/eks/latest/userguide/getting-started.html)
> **Note:** The dapr control plane containers are curently only distributed on linux containers.
> Your kubernetes cluser must contain available Linux capable nodes.
> Both the dapr cli, and the dapr helm chart will automatically deploy with affinity for nodes with the label kubernetes.io/os=linux.
> For more information see [Deploying to a Hybrid Linux/Windows K8s Cluster](./cluster/hybrid-clusters.md)
### Using the Dapr CLI
You can install Dapr to a Kubernetes cluster using CLI.