nixcfg/configuration.nix

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# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running nixos-help).
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{ config, pkgs, ... } @ args:
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# Configuration local for this cluster node (hostname, IP, etc)
let node_config = import ./node.nix args;
in
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{
imports =
[ # Include the results of the hardware scan.
./hardware-configuration.nix
# Configuration local for this cluster node (hostname, IP, etc)
./node.nix
];
# Use the systemd-boot EFI boot loader.
boot.loader.systemd-boot.enable = true;
boot.loader.timeout = 20;
boot.loader.efi.canTouchEfiVariables = true;
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nix = {
binaryCaches = [
"http://binarycache.home.adnab.me"
];
binaryCachePublicKeys = [
"binarycache.home.adnab.me:ErR6pMnewf9oVyZJd5uC2nI4EZF49c7Mh86eDZWYZaw="
];
};
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# The global useDHCP flag is deprecated, therefore explicitly set to false here.
# Per-interface useDHCP will be mandatory in the future, so this generated config
# replicates the default behaviour.
networking.useDHCP = false;
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# networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
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# Route internet traffic via USB modem (=phone) on other computer
networking.nameservers = [ "9.9.9.9" ];
networking.defaultGateway = {
address = "192.168.1.14";
interface = "eno1";
};
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# Set your time zone.
time.timeZone = "Europe/Paris";
networking.extraHosts = ''
192.168.1.21 cariacou
192.168.1.22 carcajou
192.168.1.23 caribou
192.168.1.23 binarycache
192.168.1.23 binarycache.home.adnab.me
'';
# Configure network proxy if necessary
# networking.proxy.default = "http://user:password@proxy:port/";
# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
# Select internationalisation properties.
# i18n.defaultLocale = "en_US.UTF-8";
console = {
font = "sun12x22";
keyMap = "fr";
};
# Enable the X11 windowing system.
# services.xserver.enable = true;
# Configure keymap in X11
# services.xserver.layout = "us";
# services.xserver.xkbOptions = "eurosign:e";
# Enable CUPS to print documents.
# services.printing.enable = true;
# Enable sound.
# sound.enable = true;
# hardware.pulseaudio.enable = true;
# Enable touchpad support (enabled default in most desktopManager).
# services.xserver.libinput.enable = true;
# Define a user account. Don't forget to set a password with passwd.
users.users.lx = {
isNormalUser = true;
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extraGroups = [
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"wheel" # Enable sudo for the user.
"video" # Having fun with links -g
"docker" # Enable management of Docker containers
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];
openssh.authorizedKeys.keys = [
# Keys for accessing nodes from outside
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJpaBZdYxHqMxhv2RExAOa7nkKhPBOHupMP3mYaZ73w9 lx@lindy"
"ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDIDdVbA9fEdqSr5UJ77NnoIqDTVp8ca5kHExhZYI4ecBExFJfonJllXMBN9KdC4ukxtY8Ug47PcMOfMaTBZQc+e+KpvDWpkBt15Xpem3RCxmMBES79sLL7LgtAdBXc5mNaCX8EOEVixWKdarjvxRyf6py6the51G5muaiMpoj5fae4ZpRGjhGTPefzc7y7zRWBUUZ8pYHW774BIaK6XT9gn3hyHV+Occjl/UODXvodktk55YtnuPi8adXTYEsHrVVz8AkFhx+cr0U/U8vtQnsTrZG+JmgQLqpXVs0RDw5bE1RefEbMuYNKxutYKUe3L+ZJtDe0M0MqOFI8a4F5TxP5 katchup@konata"
# SSH access between nodes
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINOxa/9nQfPOcUPdpAhiz3s73O/eCB8tevei/VKPyiIV lx@caribou"
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOrlp9pmE4cTirzBAYRfQP5DH2OXzVsKZe7lRO+MXg4Z lx@carcajou"
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF+2D98laBfRGF90PlOlAo+MKmMnh1kX0Bx6Pzhf4Ym9 lx@cariacou"
];
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};
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users.extraUsers.root.openssh.authorizedKeys.keys = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJpaBZdYxHqMxhv2RExAOa7nkKhPBOHupMP3mYaZ73w9 lx@lindy"
];
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# List packages installed in system profile. To search, run:
# $ nix search wget
environment.systemPackages = with pkgs; [
vim
tmux
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ncdu
iotop
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jnettop
nethogs
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wget
htop
links
git
];
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programs.vim.defaultEditor = true;
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# Some programs need SUID wrappers, can be configured further or are
# started in user sessions.
# programs.mtr.enable = true;
# programs.gnupg.agent = {
# enable = true;
# enableSSHSupport = true;
# };
# List services that you want to enable:
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# Enable network time
services.ntp.enable = true;
# Enable the OpenSSH daemon.
services.openssh.enable = true;
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# Enable Hashicorp Consul & Nomad
services.consul.enable = true;
services.consul.extraConfig =
let public_ip = (builtins.head node_config.networking.interfaces.eno1.ipv4.addresses).address;
in
{
datacenter = "neptune";
bootstrap_expect = 3;
server = true;
ui = true;
bind_addr = public_ip;
addresses.http = "0.0.0.0";
retry_join = [ "192.168.1.21" "192.168.1.22" "192.168.1.23" ];
};
services.nomad.enable = true;
services.nomad.settings =
let public_ip = (builtins.head node_config.networking.interfaces.eno1.ipv4.addresses).address;
in
{
datacenter = "neptune";
server = {
enabled = true;
bootstrap_expect = 3;
};
advertise = {
rpc = public_ip;
http = public_ip;
serf = public_ip;
};
consul.address = "127.0.0.1:8500";
client = {
enabled = true;
network_interface = "eno1";
};
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plugin = [
{
docker = [
{
config = [
{
volumes.enabled = true;
}
];
}
];
}
];
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};
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# Open ports in the firewall.
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networking.firewall.allowedTCPPorts = [
22 # SSH
3900 3901 # Garage (internal RPC traffic)
4646 4647 4648 # Nomad
8500 8300 8301 8302 # Consul
];
networking.firewall.allowedUDPPorts = [
4648 # Nomad
8301 8302 # Consul
];
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# Or disable the firewall altogether.
# networking.firewall.enable = false;
# This value determines the NixOS release from which the default
# settings for stateful data, like file locations and database versions
# on your system were taken. Its perfectly fine and recommended to leave
# this value at the release version of the first install of this system.
# Before changing this value read the documentation for this option
# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
system.stateVersion = "21.05"; # Did you read the comment?
}