From 12d1f1056b17312cd59eabc22d52fbf4c02abb54 Mon Sep 17 00:00:00 2001
From: valtzu <valtzu@gmail.com>
Date: Sun, 15 Sep 2024 21:01:24 +0300
Subject: [PATCH] Add k3s services

---
 .../lib/systemd/system-preset/00-mkosi.preset |  5 ++--
 .../usr/lib/systemd/system/k3s-agent.service  | 27 +++++++++++++++++++
 .../usr/lib/systemd/system/k3s.service        | 27 +++++++++++++++++++
 3 files changed, 57 insertions(+), 2 deletions(-)
 create mode 100644 mkosi.extra/usr/lib/systemd/system/k3s-agent.service
 create mode 100644 mkosi.extra/usr/lib/systemd/system/k3s.service

diff --git a/mkosi.extra/usr/lib/systemd/system-preset/00-mkosi.preset b/mkosi.extra/usr/lib/systemd/system-preset/00-mkosi.preset
index d6ca243..d482340 100644
--- a/mkosi.extra/usr/lib/systemd/system-preset/00-mkosi.preset
+++ b/mkosi.extra/usr/lib/systemd/system-preset/00-mkosi.preset
@@ -1,4 +1,5 @@
 enable sshd-keygen.service
 
-# systemd-repart already runs in initrd, no reason to re-run it after switching to rootfs
-disable systemd-repart.service
+# Make sure k3s is not enabled by default
+disable k3s.service
+disable k3s-agent.service
diff --git a/mkosi.extra/usr/lib/systemd/system/k3s-agent.service b/mkosi.extra/usr/lib/systemd/system/k3s-agent.service
new file mode 100644
index 0000000..59ed781
--- /dev/null
+++ b/mkosi.extra/usr/lib/systemd/system/k3s-agent.service
@@ -0,0 +1,27 @@
+[Unit]
+Description=K3s agent
+Documentation=https://k3s.io
+Wants=network-online.target
+After=network-online.target
+
+[Install]
+WantedBy=multi-user.target
+
+[Service]
+Type=notify
+EnvironmentFile=-/etc/systemd/system/%n.env
+KillMode=process
+Delegate=yes
+# Having non-zero Limit*s causes performance problems due to accounting overhead
+# in the kernel. We recommend using cgroups to do container-local accounting.
+LimitNOFILE=1048576
+LimitNPROC=infinity
+LimitCORE=infinity
+TasksMax=infinity
+TimeoutStartSec=0
+Restart=always
+RestartSec=5s
+ExecStartPre=/bin/sh -xc '! /usr/bin/systemctl is-enabled --quiet nm-cloud-setup.service'
+ExecStartPre=-/sbin/modprobe br_netfilter
+ExecStartPre=-/sbin/modprobe overlay
+ExecStart=/usr/bin/k3s agent
diff --git a/mkosi.extra/usr/lib/systemd/system/k3s.service b/mkosi.extra/usr/lib/systemd/system/k3s.service
new file mode 100644
index 0000000..3a211a2
--- /dev/null
+++ b/mkosi.extra/usr/lib/systemd/system/k3s.service
@@ -0,0 +1,27 @@
+[Unit]
+Description=K3s server
+Documentation=https://k3s.io
+Wants=network-online.target
+After=network-online.target
+
+[Install]
+WantedBy=multi-user.target
+
+[Service]
+Type=notify
+EnvironmentFile=-/etc/systemd/system/%n.env
+KillMode=process
+Delegate=yes
+# Having non-zero Limit*s causes performance problems due to accounting overhead
+# in the kernel. We recommend using cgroups to do container-local accounting.
+LimitNOFILE=1048576
+LimitNPROC=infinity
+LimitCORE=infinity
+TasksMax=infinity
+TimeoutStartSec=0
+Restart=always
+RestartSec=5s
+ExecStartPre=/bin/sh -xc '! /usr/bin/systemctl is-enabled --quiet nm-cloud-setup.service'
+ExecStartPre=-/sbin/modprobe br_netfilter
+ExecStartPre=-/sbin/modprobe overlay
+ExecStart=/usr/bin/k3s server