blob: 8c847af3bfc06d731fccd0810923d549bfbb95a9 (
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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.dd-agent;
ddConf = pkgs.writeText "datadog.conf" ''
[Main]
dd_url: https://app.datadoghq.com
skip_ssl_validation: no
api_key: ${cfg.api_key}
${optionalString (cfg.hostname != null) "hostname: ${cfg.hostname}"}
collector_log_file: /var/log/datadog/collector.log
forwarder_log_file: /var/log/datadog/forwarder.log
dogstatsd_log_file: /var/log/datadog/dogstatsd.log
pup_log_file: /var/log/datadog/pup.log
# proxy_host: my-proxy.com
# proxy_port: 3128
# proxy_user: user
# proxy_password: password
# tags: mytag0, mytag1
${optionalString (cfg.tags != null ) "tags: ${concatStringsSep "," cfg.tags }"}
# collect_ec2_tags: no
# recent_point_threshold: 30
# use_mount: no
# listen_port: 17123
# graphite_listen_port: 17124
# non_local_traffic: no
# use_curl_http_client: False
# bind_host: localhost
# use_pup: no
# pup_port: 17125
# pup_interface: localhost
# pup_url: http://localhost:17125
# dogstatsd_port : 8125
# dogstatsd_interval : 10
# dogstatsd_normalize : yes
# statsd_forward_host: address_of_own_statsd_server
# statsd_forward_port: 8125
# device_blacklist_re: .*\/dev\/mapper\/lxc-box.*
# ganglia_host: localhost
# ganglia_port: 8651
'';
diskConfig = pkgs.writeText "disk.yaml" ''
init_config:
instances:
- use_mount: no
'';
networkConfig = pkgs.writeText "network.yaml" ''
init_config:
instances:
# Network check only supports one configured instance
- collect_connection_state: false
excluded_interfaces:
- lo
- lo0
'';
postgresqlConfig = pkgs.writeText "postgres.yaml" cfg.postgresqlConfig;
nginxConfig = pkgs.writeText "nginx.yaml" cfg.nginxConfig;
mongoConfig = pkgs.writeText "mongo.yaml" cfg.mongoConfig;
etcfiles =
[ { source = ddConf;
target = "dd-agent/datadog.conf";
}
{ source = diskConfig;
target = "dd-agent/conf.d/disk.yaml";
}
{ source = networkConfig;
target = "dd-agent/conf.d/network.yaml";
} ] ++
(optional (cfg.postgresqlConfig != null)
{ source = postgresqlConfig;
target = "dd-agent/conf.d/postgres.yaml";
}) ++
(optional (cfg.nginxConfig != null)
{ source = nginxConfig;
target = "dd-agent/conf.d/nginx.yaml";
}) ++
(optional (cfg.mongoConfig != null)
{ source = mongoConfig;
target = "dd-agent/conf.d/mongo.yaml";
});
in {
options.services.dd-agent = {
enable = mkOption {
description = "Whether to enable the dd-agent montioring service";
default = false;
type = types.bool;
};
api_key = mkOption {
description = "The Datadog API key to associate the agent with your account";
example = "ae0aa6a8f08efa988ba0a17578f009ab";
type = types.str;
};
tags = mkOption {
description = "The tags to mark this Datadog agent";
example = [ "test" "service" ];
default = null;
type = types.nullOr (types.listOf types.str);
};
hostname = mkOption {
description = "The hostname to show in the Datadog dashboard (optional)";
default = null;
example = "mymachine.mydomain";
type = types.uniq (types.nullOr types.string);
};
postgresqlConfig = mkOption {
description = "Datadog PostgreSQL integration configuration";
default = null;
type = types.uniq (types.nullOr types.string);
};
nginxConfig = mkOption {
description = "Datadog nginx integration configuration";
default = null;
type = types.uniq (types.nullOr types.string);
};
mongoConfig = mkOption {
description = "MongoDB integration configuration";
default = null;
type = types.uniq (types.nullOr types.string);
};
};
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs."dd-agent" pkgs.sysstat pkgs.procps ];
users.extraUsers.datadog = {
description = "Datadog Agent User";
uid = config.ids.uids.datadog;
group = "datadog";
home = "/var/log/datadog/";
createHome = true;
};
users.extraGroups.datadog.gid = config.ids.gids.datadog;
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 = "datadog";
Group = "datadog";
Restart = "always";
RestartSec = 2;
};
restartTriggers = [ pkgs.dd-agent ddConf diskConfig networkConfig postgresqlConfig nginxConfig mongoConfig ];
};
systemd.services.dogstatsd = {
description = "Datadog statsd";
path = [ pkgs."dd-agent" pkgs.python pkgs.procps ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${pkgs.dd-agent}/bin/dogstatsd start";
User = "datadog";
Group = "datadog";
Type = "forking";
PIDFile = "/tmp/dogstatsd.pid";
Restart = "always";
RestartSec = 2;
};
environment.SSL_CERT_FILE = "/etc/ssl/certs/ca-bundle.crt";
restartTriggers = [ pkgs.dd-agent ddConf diskConfig networkConfig postgresqlConfig nginxConfig mongoConfig ];
};
environment.etc = etcfiles;
};
}
|