First commit

This commit is contained in:
Théo BARNOUIN 2024-09-09 10:48:56 +02:00
commit 3c39c5aaa4
9 changed files with 784 additions and 0 deletions

102
configuration.nix Normal file
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{ config, lib, pkgs, ... }:
{ imports =
[ # Include the results of the hardware scan.
./hardware-configuration.nix
];
nix.settings = {
experimental-features = [ "nix-command" "flakes" ];
trusted-users = [ "@wheel" ];
};
boot.loader.grub.enable = true;
boot.loader.grub.device = "/dev/vda"; # or "nodev" for efi only
boot.kernel.sysctl."vm.swapiness" = 1;
networking.useNetworkd = true;
systemd.network.enable = true;
systemd.network.networks."10-lan" = {
matchConfig.Name = ["enp1s0" "vm-*"];
networkConfig = {
Bridge = "br0";
};
};
systemd.network.netdevs."br0" = {
netdevConfig = {
Name = "br0";
Kind = "bridge";
};
};
systemd.network.networks."10-lan-bridge" = {
matchConfig.Name = "br0";
networkConfig = {
Address = ["192.168.122.31/24"];
Gateway = "192.168.122.1";
DNS = ["192.168.122.1"];
IPv6AcceptRA = true;
};
linkConfig.RequiredForOnline = "routable";
};
time.timeZone = "Europe/Paris";
i18n.defaultLocale = "fr_FR.UTF-8"; console = {
useXkbConfig = true; # use xkb.options in tty.
};
users.users = {
tbarnouin = {
isNormalUser = true;
description = "Théo Barnouin";
extraGroups = [
"networkmanager"
"wheel"
"libvirtd"
"docker"
"render"
"video"
];
openssh.authorizedKeys.keys = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAxccGxdfOFXeEClqz3ULl94ubzaJnk4pUus+ek18G0B tbarnouin@nixos"
];
};
root = {
openssh.authorizedKeys.keys = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAxccGxdfOFXeEClqz3ULl94ubzaJnk4pUus+ek18G0B tbarnouin@nixos"
];
};
};
environment.systemPackages = with pkgs; [
vim
htop
wget
curl
git
neofetch
libvirt
qemu_kvm
nmap
];
services.openssh = {
enable = true;
settings = {
PasswordAuthentication = false;
X11Forwarding = false;
PermitRootLogin = "prohibit-password";
};
};
# Open ports in the firewall.
networking.firewall.allowedTCPPorts = [ 22 ];
#networking.firewall.allowedUDPPorts = [ ... ];
# Or disable the firewall altogether. networking.firewall.enable = false;
system.stateVersion = "24.05"; # Did you read the comment?
}

121
flake.lock Normal file
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{
"nodes": {
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1710146030,
"narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"home-manager": {
"inputs": {
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1725703823,
"narHash": "sha256-tDgM4d8mLK0Hd6YMB2w1BqMto1XBXADOzPEaLl10VI4=",
"owner": "nix-community",
"repo": "home-manager",
"rev": "208df2e558b73b6a1f0faec98493cb59a25f62ba",
"type": "github"
},
"original": {
"owner": "nix-community",
"ref": "release-24.05",
"repo": "home-manager",
"type": "github"
}
},
"microvm": {
"inputs": {
"flake-utils": "flake-utils",
"nixpkgs": [
"nixpkgs"
],
"spectrum": "spectrum"
},
"locked": {
"lastModified": 1725664757,
"narHash": "sha256-kUMgeF3hHJM8aBpdazNgtCeeOTrWext6lHfrYmC6otU=",
"owner": "astro",
"repo": "microvm.nix",
"rev": "caac7808d1e31f8a0fa408338cd3736947cb226d",
"type": "github"
},
"original": {
"owner": "astro",
"repo": "microvm.nix",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1725693463,
"narHash": "sha256-ZPzhebbWBOr0zRWW10FfqfbJlan3G96/h3uqhiFqmwg=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "68e7dce0a6532e876980764167ad158174402c6f",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-24.05",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"home-manager": "home-manager",
"microvm": "microvm",
"nixpkgs": "nixpkgs"
}
},
"spectrum": {
"flake": false,
"locked": {
"lastModified": 1720264467,
"narHash": "sha256-xzM92n3Q9L90faJIJrkrTtTx+JqCGRHMkHWztkV4PuY=",
"ref": "refs/heads/main",
"rev": "fb59d42542049f586c84b0f8bb86ff3be338e9d3",
"revCount": 674,
"type": "git",
"url": "https://spectrum-os.org/git/spectrum"
},
"original": {
"type": "git",
"url": "https://spectrum-os.org/git/spectrum"
}
},
"systems": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

76
flake.nix Normal file
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{
description = "A simple system flake using some Aux defaults";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
home-manager = {
url = "github:nix-community/home-manager/release-24.05";
inputs.nixpkgs.follows = "nixpkgs";
};
microvm.url = "github:astro/microvm.nix";
microvm.inputs.nixpkgs.follows = "nixpkgs";
};
outputs = inputs@{ nixpkgs, home-manager, microvm, ... }:
let
system = "x86_64-linux";
username = "tbarnouin";
in
{
nixosConfigurations = {
nixos = nixpkgs.lib.nixosSystem {
inherit system;
modules = [
./configuration.nix
{
networking.hostName = "nixos";
}
home-manager.nixosModules.home-manager
{
home-manager.useGlobalPkgs = true;
home-manager.useUserPackages = true;
home-manager.users.${username} = import ./home.nix;
}
microvm.nixosModules.host
{
microvm = {
autostart = [
"nginx"
];
vms = {
nginx = {
flake = self;
updateFlake = "git+file:///etc/nixos";
};
};
};
}
];
specialArgs = {
inherit inputs;
inherit username;
};
};
nginx = nixpkgs.lib.nixosSystem {
inherit system;
modules = [
microvm.nixosModules.microvm
"${inputs.self}/systems"
"${inputs.self}/services"
{
services.vm_nginx = {
enable = true;
};
services.vm = {
enable = true;
hostname = "nginx";
vm_ip = "192.168.122.40";
macAddr = "02:00:00:00:00:40";
};
}
];
};
};
};
}

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# Do not modify this file! It was generated by nixos-generate-config
# and may be overwritten by future invocations. Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[ (modulesPath + "/profiles/qemu-guest.nix")
];
boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "sr_mod" "virtio_blk" ];
boot.initrd.kernelModules = [ ];
boot.kernelModules = [ "kvm-intel" ];
boot.extraModulePackages = [ ];
fileSystems."/" =
{ device = "/dev/disk/by-uuid/cd191c1d-d2d7-44ae-8a9a-75ad7d8228a4";
fsType = "ext4";
};
swapDevices =
[ { device = "/dev/disk/by-uuid/335e1191-f20f-4afc-bc2b-b156cf8dc2c2"; }
];
# Enables DHCP on each ethernet and wireless interface. In case of scripted networking
# (the default) this is the recommended approach. When using systemd-networkd it's
# still possible to use this option, but it's recommended to use it in conjunction
# with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
networking.useDHCP = lib.mkDefault true;
# networking.interfaces.enp1s0.useDHCP = lib.mkDefault true;
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}

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home.nix Normal file
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{ config, pkgs, ... }:
{
home = {
username = "tbarnouin";
stateVersion = "24.05";
sessionPath = [
"$HOME/.local/bin"
];
file.".ssh/authorized_keys".text = ''
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAxccGxdfOFXeEClqz3ULl94ubzaJnk4pUus+ek18G0B tbarnouin@nixos
'';
};
programs = {
git = {
enable = true;
};
vim = {
enable = true;
plugins = with pkgs.vimPlugins; [
vim-airline
vim-airline-themes
vim-bufferline
vim-markdown
markdown-preview-nvim
tabular
];
settings = {
expandtab = true;
ignorecase = true;
smartcase = true;
number = true;
shiftwidth = 2;
tabstop = 2;
};
extraConfig = ''
set nocompatible
filetype on
filetype plugin on
filetype indent on
syntax on
set nobackup
set showcmd
set showmode
set showmatch
set hlsearch
set wrap
set linebreak
set textwidth=0
set wrapmargin=0
set scrolloff=15
highlight ExtraWhitespace ctermbg=red guibg=red
autocmd BufWritePre * :%s/\s\+$//e
inoremap " ""<left>
inoremap \' \'\'<left>
inoremap ( ()<left>
inoremap [ []<left>
inoremap { {}<left>
let g:vim_markdown_folding_disabled = 1
let g:mkdp_auto_start = 1
let g:mkdp_auto_close = 1
let g:airline_theme='molokai'
'';
};
zsh = {
enable = true;
shellAliases = {
ll = "ls -l";
lla = "ls -lah";
terraform = "tofu";
# Nixos
update = "sudo nixos-rebuild switch";
upgrade = "sudo nix-channel --update && sudo nixos-rebuild switch --upgrade";
# Kitty
#ssh = "kitten ssh";
icat = "kitten icat";
};
oh-my-zsh = {
enable = true;
plugins =
[
"git"
"terraform"
"sudo"
"docker"
"pip"
"python"
"pyenv"
"pipenv"
];
theme = "bira";
};
initExtra = ''
export MAMBA_EXE="/etc/profiles/per-user/tbarnouin/bin/micromamba";
export MAMBA_ROOT_PREFIX="/home/tbarnouin/micromamba";
__mamba_setup="$("$MAMBA_EXE" shell hook --shell zsh --prefix "$MAMBA_ROOT_PREFIX" 2> /dev/null)"
if [ $? -eq 0 ]; then
eval "$__mamba_setup"
else
if [ -f "/home/tbarnouin/micromamba/etc/profile.d/micromamba.sh" ]; then
. "/home/tbarnouin/micromamba/etc/profile.d/micromamba.sh"
else
export PATH="/home/tbarnouin/micromamba/bin:$PATH"
fi
fi
unset __mamba_setup
'';
};
tmux = {
enable = true;
mouse = true;
};
};
}

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{ inputs, ... }:
{
imports = [
./nginx
./minimalConfig
];
}

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{ config, pkgs, lib, inputs, ... }:
{
nix = {
settings.experimental-features = [ "nix-command" "flakes" ];
settings.trusted-users = [ "@wheel" ];
};
networking = {
hostName = "${config.services.vm.hostname}";
firewall = {
enable = true;
allowedTCPPorts = [ 22 9002 ];
};
};
time.timeZone = "Europe/Paris";
console.keyMap = "fr";
i18n.defaultLocale = "fr_FR.UTF-8";
environment.sessionVariables = rec {
TERM = "xterm-256color";
};
nix.gc = {
automatic = true;
dates = "weekly";
options = "--delete-older-than 7d";
};
security.sudo.wheelNeedsPassword = false;
users = {
users.tbarnouin = {
isNormalUser = true;
extraGroups = [ "wheel" ];
shell = pkgs.zsh;
openssh.authorizedKeys.keys = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAxccGxdfOFXeEClqz3ULl94ubzaJnk4pUus+ek18G0B tbarnouin@nixos"
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILy03fJvfWQtzHgAdH0OPwwcGzdggyuPkveystyrm5+I tbarnouin@gitea-actions-runner"
];
initialPassword = "test";
};
users.root = {
openssh.authorizedKeys.keys = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAxccGxdfOFXeEClqz3ULl94ubzaJnk4pUus+ek18G0B tbarnouin@nixos"
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILy03fJvfWQtzHgAdH0OPwwcGzdggyuPkveystyrm5+I tbarnouin@gitea-actions-runner"
];
};
};
programs = {
zsh = {
enable = true;
shellAliases = {
ll = "ls -l";
lla = "ls -lah";
};
ohMyZsh = {
enable = true;
plugins = [ "git" ];
theme = "bira";
};
};
tmux = {
enable = true;
};
};
nixpkgs.config.allowUnfree = true;
environment = {
localBinInPath = true;
systemPackages = with pkgs; [
vim
bash
wget
curl
git
htop
tree
dig
ncdu
nmap
iperf3
netcat-openbsd
];
};
services = {
openssh = {
enable = true;
settings.PasswordAuthentication = false;
settings.KbdInteractiveAuthentication = false;
settings.PermitRootLogin = "prohibit-password";
hostKeys = [
{
path = "/var/ssh/ssh_host_ed25519_key";
type = "ed25519";
}
];
};
fail2ban = {
enable = true;
ignoreIP = [ "192.168.122.0/24" ];
};
rsyslogd = {
enable = true;
};
prometheus = {
exporters = {
node = {
enable = true;
enabledCollectors = [ "systemd" ];
port = 9002;
};
};
};
};
system = {
stateVersion = "24.05";
activationScripts.ensure-ssh-key-dir.text = "mkdir -p /var/ssh";
};
}

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{ config, pkgs, lib, ... }:
let
cfg = config.services.vm_nginx;
in
{
options.services.vm_nginx = {
enable = lib.mkEnableOption "Enable minimal config";
};
config = lib.mkIf cfg.enable {
security.acme = {
acceptTerms = true;
defaults.email = "theo.barnouin@le43.eu";
};
services = {
fail2ban = {
jails = {
nginx-http-auth = ''
enabled = true
port = http,https
logpath = /var/log/nginx/*.log
backend = polling
journalmatch =
'';
nginx-botsearch = ''
enabled = true
port = http,https
logpath = /var/log/nginx/*.log
backend = polling
journalmatch =
'';
nginx-bad-request = ''
enabled = true
port = http,https
logpath = /var/log/nginx/*.log
backend = polling
journalmatch =
'';
};
};
nginx = {
enable = true;
recommendedGzipSettings = true;
recommendedOptimisation = true;
recommendedProxySettings = true;
recommendedTlsSettings = true;
clientMaxBodySize = "10000m";
sslCiphers = "AES256+EECDH:AES256+EDH:!aNULL";
appendHttpConfig = ''
# Add HSTS header with preloading to HTTPS requests.
# Adding this header to HTTP requests is discouraged
map $scheme $hsts_header {
https "max-age=31536000; includeSubdomains; preload";
}
add_header Strict-Transport-Security $hsts_header;
# Enable CSP for your services.
#add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
# Minimize information leaked to other domains
add_header 'Referrer-Policy' 'origin-when-cross-origin';
# Disable embedding as a frame
add_header X-Frame-Options DENY;
# Prevent injection of code in other mime types (XSS Attacks)
add_header X-Content-Type-Options nosniff;
client_body_buffer_size 400M;
'';
user = "tbarnouin";
logError = "syslog:server=unix:/dev/log";
commonHttpConfig = ''
access_log syslog:server=unix:/dev/log;
'';
virtualHosts."logs.le43.eu" = {
forceSSL = true;
enableACME = true;
locations."/" = {
proxyPass = "http://192.168.1.20:3000";
proxyWebsockets = true;
recommendedProxySettings = true;
};
};
virtualHosts."play.le43.eu" = {
forceSSL = true;
enableACME = true;
locations."/" = {
proxyPass = "http://192.168.1.42:8096";
recommendedProxySettings = true;
};
};
virtualHosts."cloud.le43.eu" = {
forceSSL = true;
enableACME = true;
locations."/" = {
proxyPass = "http://192.168.1.44";
proxyWebsockets = true;
recommendedProxySettings = true;
};
};
virtualHosts."collabora.le43.eu" = {
forceSSL = true;
enableACME = true;
locations."/" = {
proxyPass = "http://192.168.1.46:9980";
proxyWebsockets = true;
recommendedProxySettings = true;
};
};
virtualHosts."git.le43.eu" = {
forceSSL = true;
enableACME = true;
locations."/" = {
proxyPass = "http://192.168.1.14:3000";
recommendedProxySettings = true;
};
};
virtualHosts."authentik.le43.eu" = {
forceSSL = true;
enableACME = true;
locations."/" = {
proxyPass = "http://192.168.1.41";
recommendedProxySettings = true;
proxyWebsockets = true;
};
};
};
};
networking.firewall.allowedTCPPorts = [ 80 443 ];
};
}

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{ inputs, lib, config, microvm, ... }:
let
cfg = config.services.vm;
in
{
options.services.vm = {
enable = lib.mkEnableOption "Enable minimal config";
hostname = lib.mkOption {
type = lib.types.str;
description = "The VM hostname";
};
vm_ip = lib.mkOption {
type = lib.types.str;
description = "The VM IP address";
};
macAddr = lib.mkOption {
type = lib.types.str;
description = "The VM MAC Address";
};
vm_mem = lib.mkOption {
type = lib.types.int;
description = "The VM memory count";
default = 0;
};
vm_cpu = lib.mkOption {
type = lib.types.int;
description = "The VM CPU count";
default = 1;
};
};
config = lib.mkIf cfg.enable {
microvm = {
vcpu = cfg.vm_cpu;
balloonMem = cfg.vm_mem;
volumes = [
{
mountPoint = "/var";
image = "/var/lib/microvms/${cfg.hostname}/var.img";
size = 8192;
}
];
shares = [
{
proto = "virtiofs";
tag = "ro-store";
source = "/nix/store";
mountPoint = "/nix/.ro-store";
}
{
proto = "virtiofs";
tag = "${cfg.hostname}-env";
source = "/var/lib/microvms/${cfg.hostname}/env";
mountPoint = "/run/secrets/${cfg.hostname}";
}
];
interfaces = [ {
type = "tap";
id = "vm-${cfg.hostname}";
mac = "${cfg.macAddr}";
} ];
hypervisor = "qemu";
socket = "control.socket";
};
systemd.network.enable = true;
systemd.network.networks."20-lan" = {
matchConfig.Type = "ether";
networkConfig = {
Address = ["${cfg.vm_ip}/24"];
Gateway = "192.168.122.1";
DNS = ["192.168.122.1"];
IPv6AcceptRA = true;
DHCP = "no";
};
};
};
}