rpi: configure k3s

This commit is contained in:
alex 2024-01-18 08:03:00 -05:00
parent d98c8e0e6d
commit 941391e897
1 changed files with 68 additions and 0 deletions

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@ -11,11 +11,15 @@
./hardware-configuration.nix
];
nix.settings.experimental-features = [ "nix-command" "flakes" ];
nixpkgs.config.allowUnfree = true;
# Use the extlinux boot loader. (NixOS wants to enable GRUB by default)
boot.loader.grub.enable = false;
# Enables the generation of /boot/extlinux/extlinux.conf
boot.loader.generic-extlinux-compatible.enable = true;
# For k3s
boot.kernel.sysctl = { "net.ipv4.ip_forward" = 1; };
networking.hostName = "nixos-rpi"; # Define your hostname.
@ -30,6 +34,69 @@
# networking.proxy.default = "http://user:password@proxy:port/";
# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
# [Unit]
# Description=Lightweight Kubernetes
# Documentation=https://k3s.io
# Wants=network-online.target
# After=network-online.target
# [Install]
# WantedBy=multi-user.target
# [Service]
# Type=${SYSTEMD_TYPE}
# EnvironmentFile=-/etc/default/%N
# EnvironmentFile=-/etc/sysconfig/%N
# EnvironmentFile=-${FILE_K3S_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 2>/dev/null'
# ExecStartPre=-/sbin/modprobe br_netfilter
# ExecStartPre=-/sbin/modprobe overlay
# ExecStart=${BIN_DIR}/k3s \\
# ${CMD_K3S_EXEC}
# Adapted from https://get.k3s.io/
systemd.services.k3s = {
description = "Lightweight Kubernetes";
documentation = [ "https://k3s.io" ];
serviceConfig = {
Type = "notify";
# EnvironmentFile = "-/etc/default/%N";
# EnvironmentFile = "-/etc/sysconfig/%N";
# EnvironmentFile = -${FILE_K3S_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 = "5 s";
# ExecStartPre = /bin/sh - xc '! /usr/bin/systemctl is-enabled --quiet nm-cloud-setup.service 2>/dev/null';
# ExecStartPre = -/sbin/modprobe br_netfilter;
# ExecStartPre = -/sbin/modprobe overlay;
ExecStart = "k3s server";
};
after = [ "network-online.target" ];
wants = [ "network-online.target" ];
wantedBy = [ "multi-user.target" ];
};
systemd.services.k3s.enable = true;
# Define a user account. Don't forget to set a password with passwd.
users.users.nixos = {
isNormalUser = true;
@ -47,6 +114,7 @@
nodePackages.pnpm
pulumi
pulumiPackages.pulumi-language-nodejs
slirp4netns # required by k3s
vim
wget
];