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deploy_with_networks.md

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Deployment with Networks support

The deployment of the Hetzner Cloud Cloud Controller Manager with Networks support is quite different to the normal one. If you would like to use the version without using our Networks feature, you can follow the Steps at "Basic deployment".

We assume, that you have knowledge about Kubernetes and the Hetzner Cloud.

How to deploy

  1. Create a new Network via hcloud-cli (hcloud network create --name my-network --ip-range=10.0.0.0/8)or the Hetzner Cloud Console
  2. Download the latest deployment file with networks support from Github to your local machine
  3. Change the --cluster-cidr= flag in the deployment file to fit your pod range. Default is 10.244.0.0/16.
  4. Create a new secret containing a Hetzner Cloud API Token and the name or the ID of the Network you want to use kubectl -n kube-system create secret generic hcloud --from-literal=token=<hcloud API token> --from-literal=network=<hcloud Network_ID_or_Name>
  5. Deploy the deployment file kubectl -n kube-system apply -f path/to/your/deployment.yaml
  6. (Recommended) Deploy a CNI (like Cilium kubectl create -f https://raw.githubusercontent.com/cilium/cilium/v1.5/examples/kubernetes/<kubernetes-version>/cilium.yaml - please replace <kubernetes-version> with your version like 1.15)

When deploying Cilium, make sure that you have set tunnel: disabled and nativeRoutingCIDR to your clusters subnet CIDR. If you are using Cilium <1.9.0 you also have to set blacklist-conflicting-routes: false.

After this, you should be able to see the correct routes in the Hetzner Cloud Console or via hcloud-cli (hcloud networks describe <hcloud Network_ID_or_Name>).