9 Commits

Author SHA1 Message Date
489aee9fb3 [nix] mv buildVM to host_builder
Some checks failed
Check flake syntax / flake-check (push) Has been cancelled
2025-01-22 17:17:16 +01:00
28b0a84b10 [vmBuilder] add writable store flag 2025-01-22 12:30:17 +01:00
a7446c35f6 [nix] fix imports 2025-01-22 12:29:11 +01:00
0db92ce92a [nix] mv vm overwrites to host_builder 2025-01-22 12:21:33 +01:00
c42ce41c71 [nix] mv host_builer.nix host_builder.nix 2025-01-22 11:55:24 +01:00
607ad46501 [nix] create nixosConfigurations using malobeo.hosts 2025-01-22 11:53:41 +01:00
96ab36977b [nix] mv host declarations to hosts.nix, add util to host_builer.nix 2025-01-22 11:52:47 +01:00
4da6b467bd [nix] generate hosts 2025-01-22 04:22:43 +01:00
683622c11f [nix] init host_builder.nix 2025-01-22 03:28:04 +01:00
15 changed files with 357 additions and 96 deletions

8
flake.lock generated
View File

@@ -341,11 +341,11 @@
]
},
"locked": {
"lastModified": 1737548421,
"narHash": "sha256-gmlqJdC+v86vXc2yMhiza1mvsqh3vMfrEsiw+tV5MXg=",
"lastModified": 1736184101,
"narHash": "sha256-HAX+TkDXzyNp6SAsKwjNFql7KzAtxximpQSv+GmP8KQ=",
"ref": "refs/heads/master",
"rev": "c5fff78c83959841ac724980a13597dcfa6dc26d",
"revCount": 29,
"rev": "9cdab949f44301553e3817cf1f38287ad947e00c",
"revCount": 28,
"type": "git",
"url": "https://git.dynamicdiscord.de/kalipso/tasklist"
},

211
machines/configuration.nix Normal file
View File

@@ -0,0 +1,211 @@
{ self
, nixpkgs-unstable
, nixpkgs
, sops-nix
, inputs
, nixos-hardware
, home-manager
, ...
}:
let
nixosSystem = nixpkgs.lib.makeOverridable nixpkgs.lib.nixosSystem;
nixosSystemUnstable = nixpkgs-unstable.lib.makeOverridable nixpkgs-unstable.lib.nixosSystem;
baseModules = [
# make flake inputs accessiable in NixOS
{ _module.args.inputs = inputs; }
{
imports = [
({ pkgs, ... }: {
nix = {
extraOptions = ''
experimental-features = nix-command flakes
'';
settings = {
substituters = [
"https://cache.dynamicdiscord.de"
"https://cache.nixos.org/"
];
trusted-public-keys = [
"cache.dynamicdiscord.de:DKueZicqi2NhJJXz9MYgUbiyobMs10fTyHCgAUibRP4="
];
trusted-users = [ "root" "@wheel" ];
};
};
})
sops-nix.nixosModules.sops
];
}
];
defaultModules = baseModules;
makeMicroVM = hostName: ipv4Addr: macAddr: modules: [
inputs.microvm.nixosModules.microvm
{
microvm = {
hypervisor = "cloud-hypervisor";
mem = 2560;
shares = [
{
source = "/nix/store";
mountPoint = "/nix/.ro-store";
tag = "store";
proto = "virtiofs";
socket = "store.socket";
}
{
source = "/var/lib/microvms/${hostName}/etc";
mountPoint = "/etc";
tag = "etc";
proto = "virtiofs";
socket = "etc.socket";
}
{
source = "/var/lib/microvms/${hostName}/var";
mountPoint = "/var";
tag = "var";
proto = "virtiofs";
socket = "var.socket";
}
];
interfaces = [
{
type = "tap";
id = "vm-${hostName}";
mac = "${macAddr}";
}
];
};
systemd.network.enable = true;
systemd.network.networks."20-lan" = {
matchConfig.Type = "ether";
networkConfig = {
Address = [ "${ipv4Addr}/24" ];
Gateway = "10.0.0.1";
DNS = ["1.1.1.1"];
DHCP = "no";
};
};
}
] ++ defaultModules ++ modules;
inputsMod = inputs // { malobeo = self; };
hosts = import ./modules/host_builder.nix {};
in
builtins.mapAttrs (host: settings: nixosSystem {
system = if (settings.type == "rpi") then "aarch64-linux" else "x86_64-linux";
specialArgs.inputs = inputs;
modules = (if (settings.type != "microvm") then
defaultModules ++ [ ./${host}/configuration.nix ]
else
makeMicroVM "${host}" "${settings.network.address}" "${settings.network.mac}" [
./${host}/configuration.nix
]);
}) hosts.malobeo.hosts //
{
testvm = nixosSystem {
system = "x86_64-linux";
specialArgs.inputs = inputs;
specialArgs.self = self;
modules = defaultModules ++ [ ./testvm ];
};
}
#{
# louise = nixosSystem {
# system = "x86_64-linux";
# specialArgs.inputs = inputs;
# modules = defaultModules ++ [
# ./louise/configuration.nix
# ];
# };
#
# bakunin = nixosSystem {
# system = "x86_64-linux";
# specialArgs.inputs = inputs;
# modules = defaultModules ++ [
# ./bakunin/configuration.nix
# inputs.disko.nixosModules.disko
# ];
# };
#
# lucia = nixosSystem {
# system = "aarch64-linux";
# specialArgs.inputs = inputs;
# modules = defaultModules ++ [
# ./lucia/configuration.nix
# ./lucia/hardware_configuration.nix
# ];
# };
#
# fanny = nixosSystem {
# system = "x86_64-linux";
# specialArgs.inputs = inputsMod;
# modules = defaultModules ++ [
# self.nixosModules.malobeo.vpn
# ./fanny/configuration.nix
# ];
# };
#
# durruti = nixosSystem {
# system = "x86_64-linux";
# specialArgs.inputs = inputs;
# specialArgs.self = self;
# modules = makeMicroVM "durruti" "10.0.0.5" "52:DA:0D:F9:EF:F9" [
# ./durruti/configuration.nix
# ];
# };
#
# vpn = nixosSystem {
# system = "x86_64-linux";
# specialArgs.inputs = inputs;
# specialArgs.self = self;
# modules = makeMicroVM "vpn" "10.0.0.10" "D0:E5:CA:F0:D7:E6" [
# self.nixosModules.malobeo.vpn
# ./vpn/configuration.nix
# ];
# };
#
# infradocs = nixosSystem {
# system = "x86_64-linux";
# specialArgs.inputs = inputs;
# specialArgs.self = self;
# modules = makeMicroVM "infradocs" "10.0.0.11" "D0:E5:CA:F0:D7:E7" [
# self.nixosModules.malobeo.vpn
# ./infradocs/configuration.nix
# ];
# };
#
# uptimekuma = nixosSystem {
# system = "x86_64-linux";
# specialArgs.inputs = inputs;
# specialArgs.self = self;
# modules = makeMicroVM "uptimekuma" "10.0.0.12" "D0:E5:CA:F0:D7:E8" [
# ./uptimekuma/configuration.nix
# ];
# };
#
# nextcloud = nixosSystem {
# system = "x86_64-linux";
# specialArgs.inputs = inputs;
# specialArgs.self = self;
# modules = makeMicroVM "nextcloud" "10.0.0.13" "D0:E5:CA:F0:D7:E9" [
# ./nextcloud/configuration.nix
# ];
# };
#
# overwatch = nixosSystem {
# system = "x86_64-linux";
# specialArgs.inputs = inputs;
# specialArgs.self = self;
# modules = makeMicroVM "overwatch" "10.0.0.14" "D0:E5:CA:F0:D7:E0" [
# ./overwatch/configuration.nix
# ];
# };
#
#}

View File

@@ -72,12 +72,6 @@ in
services.malobeo.microvm.deployHosts = [ "overwatch" "infradocs" "nextcloud" "durruti" ];
networking = {
nat = {
enable = true;
externalInterface = "enp1s0";
internalInterfaces = [ "microvm" ];
};
firewall = {
allowedTCPPorts = [ 80 ];
};

View File

@@ -66,10 +66,6 @@
mac = "D0:E5:CA:F0:D7:E0";
};
};
testvm = {
type = "host";
};
};
};
}

View File

@@ -0,0 +1,63 @@
{ config, self, inputs, ... }:
{
imports = [
inputs.disko.nixosModules.disko
];
# https://github.com/nix-community/disko/blob/master/example/luks-btrfs-subvolumes.nix
disko.devices = {
disk = {
main = {
type = "disk";
# When using disko-install, we will overwrite this value from the commandline
device = "/dev/disk/by-id/some-disk-id";
content = {
type = "gpt";
partitions = {
ESP = {
size = "512M";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
mountOptions = [ "umask=0077" ];
};
};
luks = {
size = "100%";
content = {
type = "luks";
name = "crypted";
passwordFile = /tmp/secret.key; # Interactive
content = {
type = "btrfs";
extraArgs = [ "-f" ];
subvolumes = {
"/root" = {
mountpoint = "/";
mountOptions = [ "compress=zstd" "noatime" ];
};
"/home" = {
mountpoint = "/home";
mountOptions = [ "compress=zstd" "noatime" ];
};
"/nix" = {
mountpoint = "/nix";
mountOptions = [ "compress=zstd" "noatime" ];
};
"/swap" = {
mountpoint = "/.swapvol";
swap.swapfile.size = "20M";
};
};
};
};
};
};
};
};
};
};
}

View File

@@ -187,7 +187,6 @@ in
postCreateHook = lib.mkIf cfg.encryption ''
zfs set keylocation="prompt" zroot/encrypted;
'';
};
"encrypted/root" = {
type = "zfs_fs";
@@ -245,12 +244,13 @@ in
};
# use this to read the key during boot
postCreateHook = lib.mkIf cfg.encryption ''
zfs set keylocation="file:///root/secret.key" storage/encrypted;
zfs set keylocation="prompt" storage/encrypted;
'';
};
"encrypted/data" = {
type = "zfs_fs";
mountpoint = "/data";
options.mountpoint = "legacy";
};
reserved = {
# for cow delete if pool is full
@@ -267,7 +267,7 @@ in
};
boot.zfs.devNodes = lib.mkDefault cfg.devNodes;
boot.zfs.extraPools = lib.mkIf cfg.storage.enable [ "storage" ];
fileSystems."/".neededForBoot = true;
fileSystems."/etc".neededForBoot = true;
fileSystems."/boot".neededForBoot = true;

View File

@@ -135,8 +135,8 @@ rec {
}]);
#if networking is disabled forward port 80 to still have access to webservices
forwardPorts = pkgs.lib.mkIf (!options.withNetworking && options.fwdPort != 0) (pkgs.lib.mkForce [
{ from = "host"; host.port = options.fwdPort; guest.port = 80; }
forwardPorts = pkgs.lib.mkIf (!options.withNetworking) (pkgs.lib.mkForce [
{ from = "host"; host.port = 8080; guest.port = 80; }
]);
};
@@ -212,13 +212,12 @@ rec {
builtins.listToAttrs (map mapperFunc self.nixosConfigurations.${host}.config.services.malobeo.microvm.deployHosts);
};
buildVM = host: networking: sopsDummy: disableDisko: varPath: writableStore: fwdPort: (self.nixosConfigurations.${host}.extendModules {
buildVM = host: networking: sopsDummy: disableDisko: varPath: writableStore: (self.nixosConfigurations.${host}.extendModules {
modules = [
(vmMicroVMOverwrites host {
withNetworking = networking;
varPath = "${varPath}";
writableStore = writableStore;
fwdPort = fwdPort; })
writableStore = writableStore; })
(if sopsDummy then (vmSopsOverwrites host) else {})
(if disableDisko then vmDiskoOverwrites else {})
] ++ pkgs.lib.optionals (hosts.malobeo.hosts.${host}.type != "microvm") [

View File

@@ -30,7 +30,9 @@ in
loader.efi.canTouchEfiVariables = true;
supportedFilesystems = [ "vfat" "zfs" ];
zfs = {
forceImportAll = true;
requestEncryptionCredentials = true;
};
initrd = {
availableKernelModules = cfg.ethernetDrivers;

View File

@@ -46,7 +46,7 @@ with lib;
};
extraAppsEnable = true;
extraApps = {
inherit (config.services.nextcloud.package.packages.apps) contacts calendar deck polls;
inherit (config.services.nextcloud.package.packages.apps) contacts calendar;
collectives = pkgs.fetchNextcloudApp {
sha256 = "sha256-cj/8FhzxOACJaUEu0eG9r7iAQmnOG62yFHeyUICalFY=";
url = "https://github.com/nextcloud/collectives/releases/download/v2.15.2/collectives-2.15.2.tar.gz";

View File

@@ -3,7 +3,7 @@ auth_enabled: false
server:
http_listen_port: 3100
grpc_listen_port: 9096
log_level: info
log_level: debug
grpc_server_max_concurrent_streams: 1000
common:

View File

@@ -24,7 +24,7 @@ in
malobeo.disks = {
enable = true;
encryption = true;
encryption = false;
hostId = "83abc8cb";
devNodes = "/dev/disk/by-path/";
root = {

View File

@@ -72,7 +72,64 @@ in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems
'';
};
run-vm = pkgs.writeShellScriptBin "run-vm" (builtins.readFile ./scripts/run-vm.sh);
run-vm = pkgs.writeShellScriptBin "run-vm" ''
usage() {
echo "Usage: run-vm <hostname> [--networking] [--dummy-secrets] [--no-disko]"
echo "ATTENTION: This script must be run from the flakes root directory"
echo "--networking setup interfaces. requires root and hostbridge enabled on the host"
echo "--dummy-secrets run vm with dummy sops secrets"
echo "--no-disko disable disko and initrd secrets. needed for real hosts like fanny"
echo "--writable-store enables writable store. necessary for host with nested imperative microvms like fanny"
echo "--var path to directory that should be shared as /var. may require root otherwise some systemd units fail within vm. if dir is empty vm will populate"
exit 1
}
# check at least one arg was given
if [ "$#" -lt 1 ]; then
usage
fi
HOSTNAME=$1
# Optionale Argumente
NETWORK=false
DUMMY_SECRETS=false
NO_DISKO=false
RW_STORE=false
VAR_PATH=""
# check argws
shift
while [[ "$#" -gt 0 ]]; do
case $1 in
--networking) NETWORK=true ;;
--dummy-secrets) DUMMY_SECRETS=true ;;
--no-disko) NO_DISKO=true ;;
--writable-store) RW_STORE=true ;;
--var)
if [[ -n "$2" && ! "$2" =~ ^- ]]; then
VAR_PATH="$2"
shift
else
echo "Error: --var requires a non-empty string argument."
usage
fi
;;
*) echo "Unknown argument: $1"; usage ;;
esac
shift
done
echo "starting host $HOSTNAME"
echo "enable networking: $NETWORK"
echo "deploy dummy secrets: $DUMMY_SECRETS"
echo "disable disko and initrd secrets: $NO_DISKO"
echo "use writable store: $RW_STORE"
if [ -n "$VAR_PATH" ]; then
echo "sharing var directory: $VAR_PATH"
fi
${pkgs.nix}/bin/nix run --show-trace --impure --expr "((builtins.getFlake \"$(pwd)\").vmBuilder.x86_64-linux \"$HOSTNAME\" $NETWORK $DUMMY_SECRETS $NO_DISKO \"$VAR_PATH\" $RW_STORE).config.microvm.declaredRunner"
'';
};
apps = {
@@ -105,6 +162,10 @@ in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems
in
{
nixosConfigurations = utils.buildHost hosts.malobeo.hosts;
#nixosConfigurations = import ./machines/configuration.nix (inputs // {
# inherit inputs;
# self = self;
#});
nixosModules.malobeo = {
host.imports = [ ./machines/durruti/host_config.nix ];

View File

@@ -37,11 +37,9 @@ trap cleanup EXIT
# Create the directory where sshd expects to find the host keys
install -d -m755 "$temp/etc/ssh/"
install -d -m755 "$temp/root/"
diskKey=$(sops -d machines/$hostname/disk.key)
echo "$diskKey" > /tmp/secret.key
echo "$diskKey" > $temp/root/secret.key
ssh-keygen -f $temp/etc/ssh/"$hostname" -t ed25519 -N ""
ssh-keygen -f $temp/etc/ssh/initrd -t ed25519 -N ""

View File

@@ -1,67 +0,0 @@
usage() {
echo "Usage: run-vm <hostname> [--networking] [--dummy-secrets] [--no-disko]"
echo "ATTENTION: This script must be run from the flakes root directory"
echo "--networking setup interfaces. requires root and hostbridge enabled on the host"
echo "--dummy-secrets run vm with dummy sops secrets"
echo "--no-disko disable disko and initrd secrets. needed for real hosts like fanny"
echo "--writable-store enables writable store. necessary for host with nested imperative microvms like fanny"
echo "--var path to directory that should be shared as /var. may require root otherwise some systemd units fail within vm. if dir is empty vm will populate"
echo "--fwd-port forwards the given port to port 80 on vm"
exit 1
}
# check at least one arg was given
if [ "$#" -lt 1 ]; then
usage
fi
HOSTNAME=$1
# Optionale Argumente
NETWORK=false
DUMMY_SECRETS=false
NO_DISKO=false
RW_STORE=false
VAR_PATH=""
FWD_PORT=0
# check argws
shift
while [[ "$#" -gt 0 ]]; do
case $1 in
--networking) NETWORK=true ;;
--dummy-secrets) DUMMY_SECRETS=true ;;
--no-disko) NO_DISKO=true ;;
--writable-store) RW_STORE=true ;;
--var)
if [[ -n "$2" && ! "$2" =~ ^- ]]; then
VAR_PATH="$2"
shift
else
echo "Error: --var requires a non-empty string argument."
usage
fi
;;
--fwd-port)
if [[ -n "$2" && ! "$2" =~ ^- ]]; then
FWD_PORT="$2"
shift
else
echo "Error: --var requires a non-empty string argument."
usage
fi
;;
*) echo "Unknown argument: $1"; usage ;;
esac
shift
done
echo "starting host $HOSTNAME"
echo "enable networking: $NETWORK"
echo "deploy dummy secrets: $DUMMY_SECRETS"
echo "disable disko and initrd secrets: $NO_DISKO"
echo "use writable store: $RW_STORE"
if [ -n "$VAR_PATH" ]; then
echo "sharing var directory: $VAR_PATH"
fi
nix run --show-trace --impure --expr "((builtins.getFlake \"$(pwd)\").vmBuilder.x86_64-linux \"$HOSTNAME\" $NETWORK $DUMMY_SECRETS $NO_DISKO \"$VAR_PATH\" $RW_STORE $FWD_PORT).config.microvm.declaredRunner"

View File

@@ -23,12 +23,16 @@ echo
if [ $# = 1 ]
then
diskkey=$(sops -d machines/$HOSTNAME/disk.key)
echo "$diskkey" | ssh $sshoptions root@$HOSTNAME-initrd "systemd-tty-ask-password-agent" #storage
echo "$diskkey" | ssh $sshoptions root@$HOSTNAME-initrd "systemd-tty-ask-password-agent" #root
elif [ $# = 2 ]
then
diskkey=$(sops -d machines/$HOSTNAME/disk.key)
IP=$2
echo "$diskkey" | ssh $sshoptions root@$IP "systemd-tty-ask-password-agent" #storage
echo "$diskkey" | ssh $sshoptions root@$IP "systemd-tty-ask-password-agent" #root
else