diff options
Diffstat (limited to 'modules/private/monitoring/default.nix')
-rw-r--r-- | modules/private/monitoring/default.nix | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/modules/private/monitoring/default.nix b/modules/private/monitoring/default.nix new file mode 100644 index 0000000..11861ad --- /dev/null +++ b/modules/private/monitoring/default.nix | |||
@@ -0,0 +1,111 @@ | |||
1 | { config, myconfig, pkgs, lib, ... }: | ||
2 | let | ||
3 | myplugins = pkgs.runCommand "buildplugins" { | ||
4 | buildInputs = [ pkgs.makeWrapper pkgs.perl ]; | ||
5 | } '' | ||
6 | mkdir $out | ||
7 | cp ${./plugins}/* $out/ | ||
8 | patchShebangs $out | ||
9 | wrapProgram $out/check_command --prefix PATH : ${config.security.wrapperDir} | ||
10 | wrapProgram $out/send_nrdp.sh --prefix PATH : ${lib.makeBinPath [ | ||
11 | pkgs.curl pkgs.which pkgs.coreutils | ||
12 | ]} | ||
13 | wrapProgram $out/check_mem.sh --prefix PATH : ${lib.makeBinPath [ | ||
14 | pkgs.gnugrep pkgs.gawk pkgs.procps-ng | ||
15 | ]} | ||
16 | ''; | ||
17 | in | ||
18 | { | ||
19 | options = { | ||
20 | myServices.monitoring.enable = lib.mkOption { | ||
21 | type = lib.types.bool; | ||
22 | default = false; | ||
23 | description = '' | ||
24 | Whether to enable monitoring. | ||
25 | ''; | ||
26 | }; | ||
27 | }; | ||
28 | |||
29 | config = lib.mkIf config.myServices.monitoring.enable { | ||
30 | security.sudo.extraRules = [ | ||
31 | { | ||
32 | commands = [ | ||
33 | { command = "${pkgs.mdadm}/bin/mdadm --monitor --scan -1"; options = [ "NOPASSWD" ]; } | ||
34 | { command = "${pkgs.postfix}/bin/mailq"; options = [ "NOPASSWD" ]; } | ||
35 | ]; | ||
36 | users = [ "naemon" ]; | ||
37 | runAs = "root"; | ||
38 | } | ||
39 | ]; | ||
40 | environment.etc."mdadm.conf" = { | ||
41 | enable = true; | ||
42 | mode = "0644"; | ||
43 | user = "root"; | ||
44 | text = "MAILADDR naemon@immae.eu"; | ||
45 | }; | ||
46 | |||
47 | # needed since extraResource is not in the closure | ||
48 | systemd.services.naemon.path = [ myplugins ]; | ||
49 | services.naemon = { | ||
50 | enable = true; | ||
51 | extraConfig = '' | ||
52 | broker_module=${pkgs.naemon-livestatus}/lib/naemon-livestatus/livestatus.so ${config.services.naemon.runDir}/live | ||
53 | use_syslog=1 | ||
54 | log_initial_states=1 | ||
55 | date_format=iso8601 | ||
56 | admin_email=naemon@immae.eu | ||
57 | |||
58 | obsess_over_services=1 | ||
59 | ocsp_command=notify-master | ||
60 | ''; | ||
61 | extraResource = '' | ||
62 | $USER2$=${myplugins} | ||
63 | $USER200$=${myconfig.env.monitoring.status_url} | ||
64 | $USER201$=${myconfig.env.monitoring.status_token} | ||
65 | ''; | ||
66 | objectDefs = builtins.readFile ./conf/local_services.cfg | ||
67 | + builtins.readFile ./conf/timeperiods.cfg | ||
68 | + builtins.readFile ./conf/services.cfg | ||
69 | + builtins.readFile ./conf/contacts.cfg | ||
70 | + builtins.readFile ./conf/hosts.cfg | ||
71 | + '' | ||
72 | define command { | ||
73 | command_line ${myplugins}/send_nrdp.sh -u "$USER200$" -t "$USER201$" -H "$HOSTADDRESS$" -s "$SERVICEDESC$" -S "$SERVICESTATEID$" -o "$SERVICEOUTPUT$" | ||
74 | command_name notify-master | ||
75 | } | ||
76 | define service { | ||
77 | service_description No mdadm array is degraded | ||
78 | use local-service | ||
79 | check_command check_command_output!${pkgs.mdadm}/bin/mdadm --monitor --scan -1!^$!-s 0 -r root | ||
80 | } | ||
81 | |||
82 | define service { | ||
83 | service_description mailq is empty | ||
84 | use local-service | ||
85 | check_command check_mailq | ||
86 | } | ||
87 | |||
88 | define command { | ||
89 | command_name check_mailq | ||
90 | command_line $USER1$/check_mailq -s -w 1 -c 2 | ||
91 | } | ||
92 | |||
93 | define service { | ||
94 | name local-service | ||
95 | use generic-service | ||
96 | host_name eldiron.immae.eu | ||
97 | check_interval 5 | ||
98 | max_check_attempts 4 | ||
99 | register 0 | ||
100 | retry_interval 1 | ||
101 | } | ||
102 | define host { | ||
103 | host_name eldiron.immae.eu | ||
104 | alias eldiron.immae.eu | ||
105 | address eldiron.immae.eu | ||
106 | use linux-server | ||
107 | } | ||
108 | ''; | ||
109 | }; | ||
110 | }; | ||
111 | } | ||