blob: 7a5089715870dd5c8d06d42e5e74ced34ed9a1e0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
{ config, pkgs, lib, ... }:
with lib;
let
copyService = { repo, repoEscaped }: let
serviceName = "copy-borg@${repoEscaped}";
sshConfig = pkgs.writeText "config" ''
Include /etc/ssh/ssh_config
Host yggdrasil.borgbase
HostName nx69hpl8.repo.borgbase.com
User nx69hpl8
IdentityFile /run/credentials/${serviceName}.service/ssh-identity
IdentitiesOnly yes
BatchMode yes
ServerAliveInterval 10
ServerAliveCountMax 30
'';
in nameValuePair serviceName {
serviceConfig = {
Type = "oneshot";
ExecStart = "${copyBorg}/bin/copy ${escapeShellArg repo} yggdrasil.borgbase:repo";
# User = "borg";
# Group = "borg";
# StateDirectory = "borg";
RuntimeDirectory = "copy-borg";
Environment = [
"BORG_RSH=\"${pkgs.openssh}/bin/ssh -F ${sshConfig}\""
"BORG_BASE_DIR=/var/lib/borg"
"BORG_CONFIG_DIR=/var/lib/borg/config"
"BORG_CACHE_DIR=/var/lib/borg/cache"
"BORG_SECURITY_DIR=/var/lib/borg/security"
"BORG_KEYS_DIR=/var/lib/borg/keys"
"BORG_KEY_FILE=/run/credentials/${serviceName}.service/keyfile"
"BORG_UNKNOWN_UNENCRYPTED_REPO_ACCESS_IS_OK=yes"
"BORG_HOSTNAME_IS_UNIQUE=yes"
];
LoadCredential = [
"ssh-identity:${config.sops.secrets."append.borgbase".path}"
"keyfile:${config.sops.secrets."yggdrasil.borgkey".path}"
];
};
};
copyBorg = pkgs.stdenv.mkDerivation (let
packageOverrides = pkgs.callPackage ./pyprctl-packages.nix {};
inpPython = pkgs.python39.override { inherit packageOverrides; };
in rec {
name = "copy";
src = ./copy.py;
phases = ["buildPhase" "checkPhase" "installPhase"];
buildInputs = with pkgs; [makeWrapper];
python = inpPython.withPackages (ps: with ps; [humanize tqdm dateutil xdg python-unshare pyprctl halo]);
buildPhase = ''
substitute $src copy \
--subst-var-by python ${escapeShellArg python}
'';
doCheck = true;
checkPhase = ''
${python}/bin/python -m py_compile copy
'';
installPhase = ''
install -m 0755 -D -t $out/bin \
copy
wrapProgram $out/bin/copy \
--prefix PATH : ${makeBinPath (with pkgs; [utillinux borgbackup bindfs])}
'';
});
in {
config = {
services.borgbackup.repos.jotnar = {
path = "/srv/backup/borg/jotnar";
authorizedKeysAppendOnly = let
dir = ./jotnar;
toAuthKey = fname: ftype: if ftype != "regular" || !(hasSuffix ".pub" fname) then null else builtins.readFile (dir + "/${fname}");
in filter (v: v != null) (mapAttrsToList toAuthKey (builtins.readDir dir));
};
boot.postBootCommands = mkBefore ''
${pkgs.findutils}/bin/find /srv/backup/borg -type d -empty -delete
'';
users.users.borg.extraGroups = ["ssh"];
services.openssh.extraConfig = ''
Match User borg
ClientAliveInterval 10
ClientAliveCountMax 30
Match All
'';
sops.secrets."append.borgbase" = {
format = "binary";
sopsFile = ./append.borgbase;
};
sops.secrets."yggdrasil.borgkey" = {
format = "binary";
sopsFile = ./yggdrasil.borgkey;
};
systemd.services = listToAttrs (map copyService [{ repo = "/srv/backup/borg/jotnar"; repoEscaped = "srv-backup-borg-jotnar"; }]);
# systemd.timers."copy-borg@srv-backup-borg-jotnar" = {
# wantedBy = ["multi-user.target"];
# timerConfig = {
# OnCalendar = "*-*-* 00/4:00:00 Europe/Berlin";
# };
# };
};
}
|
