Update khost feature for CAPI image

features/khost/README.md

@@ -0,0 +1,19 @@
+## Feature: khost
+### Description
+<website-feature>
+The khost feature adjusts Garden Linux to support running Kubernetes (vanilla) workloads.
+</website-feature>
+
+### Features
+The `khost` feature adjusts Garden Linux to support running Kubernetes (vanilla) workloads and installs and configures all related packages (regarding the used hardware architecture) and tools. It adjusts the `kublets`, `sysctl` and removes any swap partition.
+
+### Unit testing
+Unit tests will ensure that the needed packages are present as well as the `kublet` is enabled within `systemd`.
+
+### Meta
+|||
+|---|---|
+|type|element|
+|artifact|None|
+|included_features|`chost`|
+|excluded_features|None|

features/khost/exec.late

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+K8S_VERSION=v1.34.3
+K8S_VERSION_REPO="${K8S_VERSION%.*}"
+
+gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg < /builder/features/khost/release.key
+echo "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/${K8S_VERSION_REPO}/deb/ /" | tee /etc/apt/sources.list.d/kubernetes.list
+apt update -y
+apt install -y --no-install-recommends "kubelet=${K8S_VERSION#v}*" "kubectl=${K8S_VERSION#v}*" "kubeadm=${K8S_VERSION#v}*" "cri-tools=${K8S_VERSION_REPO#v}*"
+

features/khost/file.exclude

@@ -0,0 +1 @@
+/etc/init.d/apparmor

features/khost/file.include/etc/modules-load.d/br-nf.conf

@@ -0,0 +1 @@
+br_netfilter

features/khost/file.include/etc/sysctl.d/20-br-nf.conf

@@ -0,0 +1,2 @@
+net.bridge.bridge-nf-call-iptables=1
+net.bridge.bridge-nf-call-ip6tables=1

features/khost/file.include/etc/sysctl.d/20-inotify.conf

@@ -0,0 +1,2 @@
+fs.inotify.max_user_instances = 8192
+fs.inotify.max_user_watches = 65536

features/khost/file.include/etc/sysctl.d/20-ip-forward.conf

@@ -0,0 +1,3 @@
+net.ipv4.ip_forward=1
+net.ipv6.conf.all.forwarding=1
+

features/khost/fstab.mod

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+# remove any swap partition
+sed '/^[^[:space:]]\+[[:space:]]\+[^[:space:]]\+[[:space:]]\+swap[[:space:]]\+/d'
+

features/khost/info.yaml

@@ -0,0 +1,5 @@
+description: 'host for kubernetes workloads (vanilla)'
+type: element
+features:
+  include:
+    - chost

features/khost/pkg.include

@@ -0,0 +1,6 @@
+apparmor
+conntrack
+ethtool
+ipvsadm
+socat
+gnupg

features/khost/release.key

@@ -0,0 +1,30 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.5 (GNU/Linux)
+
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+=Eplj
+-----END PGP PUBLIC KEY BLOCK-----

features/khost/test/test_packages_musthave.py

@@ -0,0 +1 @@
+from helper.tests.packages_musthave import packages_musthave as test_packages_musthave

features/khost/test/test_systemd_unit.py

@@ -0,0 +1,16 @@
+import pytest
+from helper.utils import execute_remote_command
+from helper.utils import validate_systemd_unit
+
+
+@pytest.mark.parametrize(
+    "systemd_unit",
+    [
+        "kubelet"
+    ]
+)
+
+
+def test_systemd_unit(client, systemd_unit, non_provisioner_chroot):
+    execute_remote_command(client, f"systemctl start {systemd_unit}")
+    validate_systemd_unit(client, f"{systemd_unit}")