blob: 271d8f86d0e61d71ea6b3dae696d1ac7d978b8a6 (
plain) (
blame)
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
|
{ config, lib, pkgs, utils, ... }:
with lib;
let
cfg = config.systemd.coredump;
systemd = config.systemd.package;
in {
options = {
systemd.coredump.enable = mkOption {
default = true;
type = types.bool;
description = lib.mdDoc ''
Whether core dumps should be processed by
{command}`systemd-coredump`. If disabled, core dumps
appear in the current directory of the crashing process.
'';
};
systemd.coredump.extraConfig = mkOption {
default = "";
type = types.lines;
example = "Storage=journal";
description = lib.mdDoc ''
Extra config options for systemd-coredump. See coredump.conf(5) man page
for available options.
'';
};
};
config = mkMerge [
(mkIf cfg.enable {
systemd.additionalUpstreamSystemUnits = [
"systemd-coredump.socket"
"systemd-coredump@.service"
];
environment.etc = {
"systemd/coredump.conf".text =
''
[Coredump]
${cfg.extraConfig}
'';
# install provided sysctl snippets
"sysctl.d/50-coredump.conf".source =
# Fix systemd-coredump error caused by truncation of `kernel.core_pattern`
# when the `systemd` derivation name is too long. This works by substituting
# the path to `systemd` with a symlink that has a constant-length path.
#
# See: https://github.com/NixOS/nixpkgs/issues/213408
pkgs.substitute {
src = "${systemd}/example/sysctl.d/50-coredump.conf";
substitutions = [
"--replace"
"${systemd}"
"${pkgs.symlinkJoin { name = "systemd"; paths = [ systemd ]; }}"
];
};
"sysctl.d/50-default.conf".source = "${systemd}/example/sysctl.d/50-default.conf";
};
users.users.systemd-coredump = {
uid = config.ids.uids.systemd-coredump;
group = "systemd-coredump";
};
users.groups.systemd-coredump = {};
})
(mkIf (!cfg.enable) {
boot.kernel.sysctl."kernel.core_pattern" = mkDefault "core";
})
];
}
|