blob: d48af29465aa56d476cbe711d414c92f795e12ea (
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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.cachix-watch-store;
in
{
meta.maintainers = [ lib.maintainers.jfroche lib.maintainers.domenkozar ];
options.services.cachix-watch-store = {
enable = mkEnableOption (lib.mdDoc "Cachix Watch Store: https://docs.cachix.org");
cacheName = mkOption {
type = types.str;
description = lib.mdDoc "Cachix binary cache name";
};
cachixTokenFile = mkOption {
type = types.path;
description = lib.mdDoc ''
Required file that needs to contain the cachix auth token.
'';
};
signingKeyFile = mkOption {
type = types.nullOr types.path;
description = lib.mdDoc ''
Optional file containing a self-managed signing key to sign uploaded store paths.
'';
default = null;
};
compressionLevel = mkOption {
type = types.nullOr types.int;
description = lib.mdDoc "The compression level for ZSTD compression (between 0 and 16)";
default = null;
};
jobs = mkOption {
type = types.nullOr types.int;
description = lib.mdDoc "Number of threads used for pushing store paths";
default = null;
};
host = mkOption {
type = types.nullOr types.str;
default = null;
description = lib.mdDoc "Cachix host to connect to";
};
verbose = mkOption {
type = types.bool;
description = lib.mdDoc "Enable verbose output";
default = false;
};
package = mkPackageOption pkgs "cachix" { };
};
config = mkIf cfg.enable {
systemd.services.cachix-watch-store-agent = {
description = "Cachix watch store Agent";
wants = [ "network-online.target" ];
after = [ "network-online.target" ];
path = [ config.nix.package ];
wantedBy = [ "multi-user.target" ];
unitConfig = {
# allow to restart indefinitely
StartLimitIntervalSec = 0;
};
serviceConfig = {
# don't put too much stress on the machine when restarting
RestartSec = 1;
# we don't want to kill children processes as those are deployments
KillMode = "process";
Restart = "on-failure";
DynamicUser = true;
LoadCredential = [
"cachix-token:${toString cfg.cachixTokenFile}"
]
++ lib.optional (cfg.signingKeyFile != null) "signing-key:${toString cfg.signingKeyFile}";
};
script =
let
command = [ "${cfg.package}/bin/cachix" ]
++ (lib.optional cfg.verbose "--verbose") ++ (lib.optionals (cfg.host != null) [ "--host" cfg.host ])
++ [ "watch-store" ] ++ (lib.optionals (cfg.compressionLevel != null) [ "--compression-level" (toString cfg.compressionLevel) ])
++ (lib.optionals (cfg.jobs != null) [ "--jobs" (toString cfg.jobs) ]) ++ [ cfg.cacheName ];
in
''
export CACHIX_AUTH_TOKEN="$(<"$CREDENTIALS_DIRECTORY/cachix-token")"
${lib.optionalString (cfg.signingKeyFile != null) ''export CACHIX_SIGNING_KEY="$(<"$CREDENTIALS_DIRECTORY/signing-key")"''}
${lib.escapeShellArgs command}
'';
};
};
}
|