add some helper scripts

This commit is contained in:
netali 2023-11-10 21:03:33 +01:00
parent d4619a2f9e
commit a9153b7c4c
Signed by: netali
GPG Key ID: 9C55E636426B40A9
7 changed files with 175 additions and 3 deletions

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@ -1,5 +1,23 @@
{
"nodes": {
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1694529238,
"narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1698611440,
@ -18,8 +36,24 @@
},
"root": {
"inputs": {
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs"
}
},
"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",

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@ -2,8 +2,9 @@
description = "NixOS ISO of netali";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs }@inputs: {
outputs = { self, nixpkgs, flake-utils, ... }@inputs: {
iso = (nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
@ -13,5 +14,13 @@
hydraJobs.iso = self.iso;
};
}
overlays.default = (import ./packages);
} // flake-utils.lib.eachDefaultSystem (system: let
pkgs = nixpkgs.legacyPackages.${system};
in {
packages = {
netali-configure-net-ruby = pkgs.callPackage ./packages/netali-configure-net-ruby {};
netali-default-config-ruby = pkgs.callPackage ./packages/netali-default-config-ruby {};
};
});
}

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@ -9,6 +9,8 @@
"profiles/base.nix"
];
nixpkgs.overlays = [ (import ./packages) ];
networking.hostName = "netalis-nixos-iso";
isoImage.isoBaseName = "netalis-nixos-iso";
@ -67,6 +69,10 @@
# Some compression/archiver tools.
unzip
zip
# own packages
netali-configure-net-ruby
netali-default-config-ruby
];
time.timeZone = "Europe/Berlin";

4
packages/default.nix Normal file
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@ -0,0 +1,4 @@
final: prev: {
netali-configure-net-ruby = final.callPackage ./netali-configure-net-ruby {};
netali-default-config-ruby = final.callPackage ./netali-default-config-ruby {};
}

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@ -0,0 +1,20 @@
{ writeShellScriptBin, iproute2 }:
writeShellScriptBin "netali-configure-net-ruby" ''
if [[ $# -ne 2 ]]; then
echo "Usage: netali-configure-net-ruby [interface] [last-ip-block]"
echo ""
echo "interface: name of the network interface to configure"
echo "last-ip-block: last block of the IPv6 address of this host"
exit 1
fi
INTERFACE=$1
LAST_IP_BLOCK=$2
${iproute2}/bin/ip link set up $INTERFACE
${iproute2}/bin/ip a a 2001:67c:a6c:a::$LAST_IP_BLOCK/64 dev $INTERFACE
${iproute2}/bin/ip r a default via fe80::1 dev $INTERFACE
echo "nameserver 2606:4700:4700::1111" > /etc/resolv.conf
''

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@ -0,0 +1,81 @@
{ config, lib, pkgs, ... }:
{
imports =
[
./hardware-configuration.nix
];
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
boot.tmp.useTmpfs = true;
networking.nftables.enable = true;
security.sudo.wheelNeedsPassword = false;
users.users.netali = {
isNormalUser = true;
extraGroups = [ "wheel" ];
openssh.authorizedKeys.keys = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOV4f3/OcNQIHqomvH0nGLDmXDlrO/u7JKE9Fgq2Vuqs me@netali.de" ];
};
time.timeZone = "Europe/Berlin";
i18n.defaultLocale = "en_US.UTF-8";
console = {
font = "Lat2-Terminus16";
keyMap = "de-latin1";
};
services.qemuGuest.enable = true;
system.stateVersion = "23.05";
networking.hostName = "$TARGET_HOSTNAME";
services.openssh.enable = true;
services.openssh.settings.PasswordAuthentication = false;
services.openssh.ports = [ 1022 ];
networking.useDHCP = false;
networking.dhcpcd.enable = false;
networking.nameservers = [ "2606:4700:4700::1111" "2606:4700:4700::1001" ];
nix = {
settings = {
trusted-users = [ "@wheel" ];
auto-optimise-store = true;
experimental-features = [ "nix-command" "flakes" ];
};
gc = {
automatic = true;
dates = "weekly";
options = "--delete-older-than 14d";
};
extraOptions = ''
min-free = 104857600
max-free = 1073741824
''; # more readable: min-free = 100*1024*1024; max-free = 1024*1024*1024;
};
systemd.network = {
enable = true;
networks = {
"40-ens18" = {
name = "ens18";
networkConfig = {
IPv6AcceptRA = false;
};
address = [
"2001:67c:a6c:a::$LAST_IP_BLOCK/64"
];
gateway = [
"2001:67c:a6c:a::1"
];
};
};
};
}

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@ -0,0 +1,18 @@
{ writeShellScriptBin, envsubst }:
writeShellScriptBin "netali-default-config-ruby" ''
if [[ $# -ne 3 ]]; then
echo "Usage: netali-default-config-ruby [out-path] [hostname] [last-ip-block]"
echo ""
echo "out-path: path to which the configuration will be written"
echo "hostname: path to which the configuration will be written"
echo "last-ip-block: last block of the IPv6 address of this host"
exit 1
fi
OUT_PATH=$1
export TARGET_HOSTNAME="$2"
export LAST_IP_BLOCK="$3"
${envsubst}/bin/envsubst -i ${./config-template.txt} -o $OUT_PATH
''