blob: 0819c52a8de720f05beafd91df4061eddcff078e (
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
|
{ depot, config, lib, pkgs, ... }:
let
cfg = config.services.depot.irccat;
description = "irccat - forward messages to IRC";
# irccat expects to read its configuration from the *current
# directory*, and its configuration contains secrets.
#
# To make this work we construct the JSON configuration file and
# then recursively merge it with an on-disk secret using jq on
# service launch.
configJson = pkgs.writeText "irccat.json" (builtins.toJSON cfg.config);
# Right now, merging configuration file with secrets and running the main
# application needs to happen both in ExecStart=, due to
# https://github.com/systemd/systemd/issues/19604#issuecomment-989279884
mergeAndLaunch = pkgs.writeShellScript "merge-irccat-config" ''
if [ ! -f "$CREDENTIALS_DIRECTORY/secrets" ]; then
echo "irccat secrets file is missing"
exit 1
fi
# jq's * is the recursive merge operator
${pkgs.jq}/bin/jq -s '.[0] * .[1]' ${configJson} "$CREDENTIALS_DIRECTORY/secrets" \
> /var/lib/irccat/irccat.json
exec ${depot.third_party.irccat}/bin/irccat
'';
in
{
options.services.depot.irccat = {
enable = lib.mkEnableOption description;
config = lib.mkOption {
type = lib.types.attrs; # varying value types
description = "Configuration structure (unchecked!)";
};
secretsFile = lib.mkOption {
type = lib.types.str;
description = "Path to the secrets file to be merged";
default = config.age.secretsDir + "/irccat";
};
};
config = lib.mkIf cfg.enable {
systemd.services.irccat = {
inherit description;
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${mergeAndLaunch}";
DynamicUser = true;
StateDirectory = "irccat";
WorkingDirectory = "/var/lib/irccat";
LoadCredential = "secrets:${cfg.secretsFile}";
Restart = "always";
};
};
};
}
|
