commit 4532534ea58d983e4c16ad5d968d62b233798e47 · soopy.moe/gensokyo

creds/ssh/users/backup

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       ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKU8Vxg12sa9HmupfMYGQV/4aK4kHlcD66JolpCJeGzv

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creds/ssh/users/cassie

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       # SmartCards

     

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       # ssh-keygen -t ed25519-sk -C "YubiKey #${invalid:?gock}" -O{resident,verify-required}

     

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       #  -> To obtain resident keys, use ssh-keygen -K

     

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       -
       ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJxpXpPlPEZPfnw2mIuWJEy/C/5h1bb6pIMeFsHAICQ+lLdEkbBSeDXQuA8feLN0MJw8KaB9jqrJbYgFadV/nVA= YubiKey #19302295 PIV Slot 9a

     

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       #ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJxpXpPlPEZPfnw2mIuWJEy/C/5h1bb6pIMeFsHAICQ+lLdEkbBSeDXQuA8feLN0MJw8KaB9jqrJbYgFadV/nVA= YubiKey #19302295 PIV Slot 9a

     

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       sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIEP1oum6r6bTb4My/ZRqhVWxYKYGEqDyijUqqL1ZCIWjAAAABHNzaDo= YubiKey #13901056

     

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       sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAILJ3mxaweLrFL//bYIJvE1XVmjQf2Dq/CjKIPkIVmDpXAAAABHNzaDo= YubiKey #19302295

     

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systems/koumakan/services/storage/backup.nix

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       {

     

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         lib,

     

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         pkgs,

     

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         inputs,

     

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         ...

     

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       }:

     

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       {

     

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         users = {

     

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           users.backup = {

     

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             isNormalUser = true;

     

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             shell = pkgs.bashInteractive;

     

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             packages = with pkgs; [ rsync ];

     

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             openssh.authorizedKeys.keyFiles = lib.singleton (inputs.self + "/creds/ssh/users/backup");

     

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             createHome = false;

     

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           };

     

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           groups.backup = { };

     

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         };

     

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         system.activationScripts.initBackupHome = {

     

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           deps = [ "users" ];

     

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           supportsDryActivation = false;

     

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           text = ''

     

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             if test ! -e /home/backup; then

     

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               ${lib.getExe pkgs.btrfs-progs} subvolume create /home/backup

     

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             fi

     

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             chmod 0550 /home/backup

     

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             install -dm755 /home/backup/public

     

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             install -dm700 /home/backup/private

     

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           '';

     

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         };

     

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         systemd = {

     

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           services."snapshot-backup" = {

     

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             script = ''

     

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               NOW=$(date -u +%Y%m%d.%H%M%S)

     

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               DATA_PATH=/home/backup/public

     

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               mkdir -p ''${DATA_PATH}/snapshots

     

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               btrfs subvolume snapshot -r $DATA_PATH ''${DATA_PATH}/snapshots/''${NOW}

     

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             '';

     

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             serviceConfig.User = "backup";

     

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           };

     

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           timers."snapshot-backup" = {

     

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             wantedBy = lib.singleton "multi-user.target";

     

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             timerConfig = {

     

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               OnCalendar = "*:0";

     

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               RandomizedDelaySec = "60s";

     

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               AccuracySec = "1us";

     

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             };

     

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             unitConfig.RequiresMountsFor = "/home";

     

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           };

     

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         };

     

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       }

systems/koumakan/services/storage/default.nix

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         imports = [

     

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           ./atuin.nix

     

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           ./wastebin.nix

     

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           ./backup.nix

     

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           ./zipline.nix

     

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         ];

     

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       }