blob: 10f2dc23087df48ff73b831b22bf4850541a6ae7 (
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
|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.bar;
in {
options.services.bar = {
enable = mkEnableOption "the Bar Inventory System";
user = mkOption {
type = types.str;
default = "bar";
description = "User to execute the daemon under";
};
group = mkOption {
type = types.str;
default = "bar";
description = "Group to execute the daemon under";
};
stateDir = mkOption {
type = types.path;
default = "/var/lib/bar";
description = "Directory for the daemon to store semi-transient state (encryption keys etc.)";
};
port = mkOption {
type = types.int;
default = 8080;
description = "Port for the daemon to listen on";
};
host = mkOption {
type = types.str;
default = "localhost";
description = "Host to bind to";
};
approot = mkOption {
type = types.str;
default = "/";
description = "Subdirectory of the daemon-managed site relative to HTTP /; only useful when using a reverse proxy";
};
thermoprintBaseURL = mkOption {
type = with types; nullOr types.str;
default = null;
example = "http://localhost:80/thermoprint/api";
description = "Thermoprint base url";
};
};
imports = [ ./thermoprint-service.nix ];
config = mkIf cfg.enable {
assertions = [
{ assertion = config.services.postgresql.enable;
message = "bar requires PostgreSQL";
}
];
packages.thermoprint.enable = true;
users.users."${cfg.user}" = {
group = cfg.group;
description = "User for the Bar Inventory System";
isSystemUser = true;
home = cfg.stateDir;
createHome = true;
};
users.groups."${cfg.group}" = {};
nixpkgs.overlays = [(selfPkgs: superPkgs: {
haskellPackages = superPkgs.haskellPackages.extend (selfH: superH: {
bar = superPkgs.callPackage ./bar { haskellPackages = selfH; };
});
inherit (selfPkgs.haskellPackages) bar;
})];
systemd.services."bar" = {
environment = {
PORT = cfg.port;
HOST = cfg.host;
APPROOT = cfg.approot;
IP_FROM_HEADER = cfg.ipFromHeader;
TPRINT_BASEURL = mkIf (cfg.thermoprintBaseURL != null) cfg.thermoprintBaseURL;
};
bindsTo = [ "postgresql.service" ];
after = [ "postgresql.service" ];
wantedBy = [ "default.target" ];
serviceConfig = {
Type = "notify";
User = cfg.user;
Group = cfg.group;
WorkingDirectory = cfg.stateDir;
ExecStart = with pkgs; "${bar}/bin/bar";
};
};
};
}
|
