blob: ef658523c1f34d11e6be0566ccb7902af46b652f (
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
|
{ config, pkgs, ... }:
with pkgs.lib;
let
cfg = config.services.dd-agent;
datadog_conf = pkgs.runCommand "datadog.conf" {} ''
sed -e 's|^api_key:|api_key: ${cfg.api_key}|' ${optionalString (cfg.hostname != null)
"-e 's|^#hostname: mymachine.mydomain|hostname: ${cfg.hostname}|'"
} ${pkgs.dd-agent}/etc/dd-agent/datadog.conf.example > $out
'';
in {
options.services.dd-agent = {
enable = mkOption {
description = "Whether to enable the dd-agent montioring service";
default = false;
type = types.bool;
};
# !!! This gets stored in the store (world-readable), wish we had https://github.com/NixOS/nix/issues/8
api_key = mkOption {
description = "The Datadog API key to associate the agent with your account";
example = "ae0aa6a8f08efa988ba0a17578f009ab";
type = types.uniq types.string;
};
hostname = mkOption {
description = "The hostname to show in the Datadog dashboard (optional)";
default = null;
example = "mymachine.mydomain";
type = types.uniq (types.nullOr types.string);
};
};
config = mkIf cfg.enable {
environment.etc = [ { source = datadog_conf; target = "dd-agent/datadog.conf"; } ];
environment.systemPackages = [ pkgs."dd-agent" pkgs.sysstat pkgs.procps ];
users.extraUsers."dd-agent" = {
description = "Datadog Agent User";
uid = config.ids.uids.dd-agent;
group = "dd-agent";
home = "/var/log/datadog/";
createHome = true;
};
users.extraGroups.dd-agent.gid = config.ids.gids.dd-agent;
systemd.services.dd-agent = {
description = "Datadog agent monitor";
path = [ pkgs."dd-agent" pkgs.python pkgs.sysstat pkgs.procps];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${pkgs.dd-agent}/bin/dd-agent foreground";
User = "dd-agent";
Group = "dd-agent";
};
restartTriggers = [ pkgs.dd-agent datadog_conf ];
};
systemd.services.dogstatsd = {
description = "Datadog statsd";
path = [ pkgs."dd-agent" pkgs.python ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${pkgs.dd-agent}/bin/dogstatsd start";
User = "dd-agent";
Group = "dd-agent";
Type = "forking";
PIDFile = "/tmp/dogstatsd.pid";
};
restartTriggers = [ pkgs.dd-agent datadog_conf ];
};
};
}
|