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docs/userspace-wireguard.md: add details

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This commit clarifies a few lines from the userspace doc and notes in
the README that Kilo works with userspace WireGuard.

Signed-off-by: Lucas Servén Marín <lserven@gmail.com>
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Lucas Servén Marín
2021-01-07 13:43:46 +01:00
parent f6f0b8c791
commit e7855825cf
2 changed files with 18 additions and 15 deletions
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README.md
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@@ -28,13 +28,15 @@ This means that if a cluster uses, for example, Flannel for networking, Kilo can
Kilo can be installed on any Kubernetes cluster either pre- or post-bring-up.
### Step 1: install WireGuard
### Step 1: get WireGuard
Kilo requires the WireGuard kernel module to be loaded on all nodes in the cluster.
Starting at Linux 5.6, the kernel includes WireGuard in-tree; Linux distributions with older kernels will need to install WireGuard.
For most Linux distributions, this can be done using the system package manager.
[See the WireGuard website for up-to-date instructions for installing WireGuard](https://www.wireguard.com/install/).
Clusters with nodes on which the WireGuard kernel module cannot be installed can use Kilo by leveraging a [userspace WireGuard implementation](./docs/userspace-wireguard.md).
### Step 2: open WireGuard port
The nodes in the mesh will require an open UDP port in order to communicate.