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Create backuphost Bragi

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Gonne 2023-12-18 17:55:00 +01:00
parent 1c827b5ed1
commit b7b0e07f44
4 changed files with 166 additions and 0 deletions
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15
nixos/machines/bragi/configuration.nix Normal file
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{
imports = [
./hardware-configuration.nix
../../roles
../../roles/hardware.nix
./network.nix
../../modules/borgbackup.nix
];
services.mathebau-borgbackup.enable = true;
# System configuration here
networking.hostName = "bragi";
system.stateVersion = "23.11";
}

32
nixos/machines/bragi/hardware-configuration.nix Normal file
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{lib, ...}: {
fileSystems."/" = {
device = "root";
fsType = "tmpfs";
options = ["size=2G" "mode=755"];
};
fileSystems."/persist" = {
device = "/dev/disk/by-label/nixos";
fsType = "btrfs";
options = ["subvol=persist"];
neededForBoot = true;
};
fileSystems."/boot" = {
device = "/dev/disk/by-label/boot";
fsType = "ext4";
};
fileSystems."/nix" = {
device = "/dev/disk/by-label/nixos";
fsType = "btrfs";
options = ["subvol=nix"];
};
fileSystems."/var/lib/backups" = {
device = "/dev/disk/by-label/backups";
fsType = "btrfs";
};
swapDevices = [{device = "/dev/disk/by-label/swap";}];
boot.loader.grub.device = "/dev/disk/by-id/wwn-0x5000c5003891662c";
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}

15
nixos/machines/bragi/network.nix Normal file
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# We sohuld put that config somewhere in roles and give it a parameter or something,
# everyone gets the same nameserver and the same prefixLength and address vs defaultGateway alsways
# depend on the same thing
{
networking = {
interfaces.enp0s25.ipv4.addresses = [
{
address = "192.168.1.11";
prefixLength = 24;
}
];
defaultGateway = "192.168.1.137";
nameservers = ["130.83.2.22" "130.83.56.60" "130.83.22.60" "130.82.22.63"];
};
}

104
nixos/modules/borgbackup.nix Normal file
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{
config,
lib,
...
}: let
inherit
(lib)
mkIf
mkEnableOption
;
cfg = config.services.mathebau-borgbackup;
in {
imports = [];
options.services.mathebau-borgbackup = {
enable = mkEnableOption "mathebau borgbackup service";
};
config = mkIf cfg.enable {
services.borgbackup = {
# repos are made available at ssh://borg@hostname and served according to the presented ssh-key
repos = {
aphoom-zhah = {
authorizedKeysAppendOnly = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA8pI6uinXezAMH4vG2yEbu/yOYU5vXcsZN74tYgV+Wj Aphoom-Zhah Backup"
];
path = "/var/lib/backups/aphoom-zhah";
# subrepos are allowed because each vm creates at least one repo below this filepath and yibb-tstll even more
allowSubRepos = true;
};
azathoth = {
authorizedKeysAppendOnly = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGBEwllQ77ktoirXX6dJ6ET8TfK4lzq0aaq+X4rrX2Vk Azathoth Backup"
];
path = "/var/lib/backups/azathoth";
allowSubRepos = true;
};
cthulhu = {
authorizedKeysAppendOnly = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMSJl1MvabUADTdOCgufsBzn1tIIpxMq4iDcYZsaW1lV Cthulhu Backup"
];
path = "/var/lib/backups/cthulhu";
allowSubRepos = true;
};
dagon = {
authorizedKeysAppendOnly = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJaTBennwqT9eB43gVD1nM1os3dMPZ8RWwIKPEjqMK5V Dagon Backup"
];
path = "/var/lib/backups/dagon";
allowSubRepos = true;
};
eihort = {
authorizedKeysAppendOnly = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHLoDxtY4Tp6NKxLt9oHmWT6w4UpU6eA1TnPU2Ut83BN Eihort Backup"
];
path = "/var/lib/backups/eihort";
allowSubRepos = true;
};
hastur = {
authorizedKeysAppendOnly = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILeDvTyOUdIPARatX0PPhHgrV1gjERWLt2Twa8E2GETb Hastur Backupsystem"
];
path = "/var/lib/backups/hastur";
allowSubRepos = true;
};
ithaqua = {
authorizedKeysAppendOnly = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPJmBf8cz3FTDdeuxWbp1MO2yPT5rvH8ZIGUzfogjpXi Ithaqua Backup"
];
path = "/var/lib/backups/ithaqua";
allowSubRepos = true;
};
sanctamariamaterdei = {
authorizedKeysAppendOnly = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH9Le5OI4ympQ0mQKYHmxgxGF598rzpD5VVpWK1mGfd8 Sanctamariamaterdei Backupsystem"
];
path = "/var/lib/backups/sanctamariamaterdei";
allowSubRepos = true;
};
tsathoggua = {
authorizedKeysAppendOnly = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKS9/1lFOhv+3sNuGcysM3TYh2xRrjMeAZX3K7CBx0QW Tsathoggua Backup"
];
path = "/var/lib/backups/tsathoggua";
allowSubRepos = true;
};
uvhash = {
authorizedKeysAppendOnly = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB8DjIqgFgmYhQnTLpbqL0r7xBPb8TPy6SO5RhQ31OGj Uvhash Backup"
];
path = "/var/lib/backups/uvhash";
allowSubRepos = true;
};
yibb-tstll = {
authorizedKeysAppendOnly = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINlnGOV58Ks9lu+WTI4F7QAHtDrJq2jY8ZocITZG8K0+ Yibb-Tstll Backup"
];
path = "/var/lib/backups/yibb-tstll";
allowSubRepos = true;
};
};
};
};
}