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Remove optional variable networking on Digital Ocean

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* Calico isn't viable on Digital Ocean because their firewalls
do not support IP-IP protocol. Its not viable to run a cluster
without firewalls just to use Calico.
* Remove the caveat note. Don't allow users to shoot themselves
in the foot
This commit is contained in:
Dalton Hubble
2018-03-25 21:48:08 -07:00
parent e43cf9f608
commit 38adb14bd2
5 changed files with 6 additions and 12 deletions
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4
docs/digital-ocean.md
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@ -266,7 +266,6 @@ Digital Ocean requires the SSH public key be uploaded to your account, so you ma
| image | Container Linux image for instances | "coreos-stable" | coreos-stable, coreos-beta, coreos-alpha |
| controller_clc_snippets | Controller Container Linux Config snippets | [] | |
| worker_clc_snippets | Worker Container Linux Config snippets | [] | |
| networking | Choice of networking provider | "flannel" | "flannel" |
| pod_cidr | CIDR IPv4 range to assign to Kubernetes pods | "10.2.0.0/16" | "10.22.0.0/16" |
| service_cidr | CIDR IPv4 range to assign to Kubernetes services | "10.3.0.0/16" | "10.3.0.0/24" |
| cluster_domain_suffix | FQDN suffix for Kubernetes services answered by kube-dns. | "cluster.local" | "k8s.example.com" |
@ -275,6 +274,3 @@ Check the list of valid [droplet types](https://developers.digitalocean.com/docu
!!! warning
Do not choose a `controller_type` smaller than 2GB. Smaller droplets are not sufficient for running a controller and bootstrapping will fail.
!!! bug
Digital Ocean firewalls do not yet support the IP tunneling (IP in IP) protocol used by Calico. You can try using "calico" for `networking`, but it will only work if the cloud firewall is removed (unsafe).