dev/nixpkgs
1
0
Fork 0
Code Issues Pull Requests Actions 2 Packages Projects Releases Wiki Activity

nixos/services.munin-[cron,node]: remove with lib;

Browse Source
This commit is contained in:
Felix Buehler 2024-08-30 00:46:59 +02:00
parent faf7fde49e
commit 34970fdcf3
1 changed files with 26 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
nixos/modules/services/monitoring/munin.nix
View File

@ -1,18 +1,12 @@
{ config, lib, pkgs, ... }:
# TODO: support munin-async
# TODO: LWP/Pg perl libs aren't recognized
# TODO: support fastcgi
# https://guide.munin-monitoring.org/en/latest/example/webserver/apache-cgi.html
# spawn-fcgi -s /run/munin/fastcgi-graph.sock -U www-data -u munin -g munin /usr/lib/munin/cgi/munin-cgi-graph
# spawn-fcgi -s /run/munin/fastcgi-html.sock -U www-data -u munin -g munin /usr/lib/munin/cgi/munin-cgi-html
# https://paste.sh/vofcctHP#-KbDSXVeWoifYncZmLfZzgum
# nginx https://munin.readthedocs.org/en/latest/example/webserver/nginx.html
with lib;
let
nodeCfg = config.services.munin-node;
cronCfg = config.services.munin-cron;
@ -140,9 +134,9 @@ in
services.munin-node = {
enable = mkOption {
enable = lib.mkOption {
default = false;
type = types.bool;
type = lib.types.bool;
description = ''
Enable Munin Node agent. Munin node listens on 0.0.0.0 and
by default accepts connections only from 127.0.0.1 for security reasons.
@ -151,18 +145,18 @@ in
'';
};
extraConfig = mkOption {
extraConfig = lib.mkOption {
default = "";
type = types.lines;
type = lib.types.lines;
description = ''
{file}`munin-node.conf` extra configuration. See
<https://guide.munin-monitoring.org/en/latest/reference/munin-node.conf.html>
'';
};
extraPluginConfig = mkOption {
extraPluginConfig = lib.mkOption {
default = "";
type = types.lines;
type = lib.types.lines;
description = ''
{file}`plugin-conf.d` extra plugin configuration. See
<https://guide.munin-monitoring.org/en/latest/plugin/use.html>
@ -173,9 +167,9 @@ in
'';
};
extraPlugins = mkOption {
extraPlugins = lib.mkOption {
default = {};
type = with types; attrsOf path;
type = with lib.types; attrsOf path;
description = ''
Additional Munin plugins to activate. Keys are the name of the plugin
symlink, values are the path to the underlying plugin script. You
@ -194,7 +188,7 @@ in
`/bin`, `/usr/bin`,
`/sbin`, and `/usr/sbin`.
'';
example = literalExpression ''
example = lib.literalExpression ''
{
zfs_usage_bigpool = /src/munin-contrib/plugins/zfs/zfs_usage_;
zfs_usage_smallpool = /src/munin-contrib/plugins/zfs/zfs_usage_;
@ -203,9 +197,9 @@ in
'';
};
extraAutoPlugins = mkOption {
extraAutoPlugins = lib.mkOption {
default = [];
type = with types; listOf path;
type = with lib.types; listOf path;
description = ''
Additional Munin plugins to autoconfigure, using
`munin-node-configure --suggest`. These should be
@ -225,7 +219,7 @@ in
`/bin`, `/usr/bin`,
`/sbin`, and `/usr/sbin`.
'';
example = literalExpression ''
example = lib.literalExpression ''
[
/src/munin-contrib/plugins/zfs
/src/munin-contrib/plugins/ssh
@ -233,12 +227,12 @@ in
'';
};
disabledPlugins = mkOption {
disabledPlugins = lib.mkOption {
# TODO: figure out why Munin isn't writing the log file and fix it.
# In the meantime this at least suppresses a useless graph full of
# NaNs in the output.
default = [ "munin_stats" ];
type = with types; listOf str;
type = with lib.types; listOf str;
description = ''
Munin plugins to disable, even if
`munin-node-configure --suggest` tries to enable
@ -255,9 +249,9 @@ in
services.munin-cron = {
enable = mkOption {
enable = lib.mkOption {
default = false;
type = types.bool;
type = lib.types.bool;
description = ''
Enable munin-cron. Takes care of all heavy lifting to collect data from
nodes and draws graphs to html. Runs munin-update, munin-limits,
@ -268,9 +262,9 @@ in
'';
};
extraGlobalConfig = mkOption {
extraGlobalConfig = lib.mkOption {
default = "";
type = types.lines;
type = lib.types.lines;
description = ''
{file}`munin.conf` extra global configuration.
See <https://guide.munin-monitoring.org/en/latest/reference/munin.conf.html>.
@ -282,15 +276,15 @@ in
'';
};
hosts = mkOption {
hosts = lib.mkOption {
default = "";
type = types.lines;
type = lib.types.lines;
description = ''
Definitions of hosts of nodes to collect data from. Needs at least one
host for cron to succeed. See
<https://guide.munin-monitoring.org/en/latest/reference/munin.conf.html>
'';
example = literalExpression ''
example = lib.literalExpression ''
'''
[''${config.networking.hostName}]
address localhost
@ -298,9 +292,9 @@ in
'';
};
extraCSS = mkOption {
extraCSS = lib.mkOption {
default = "";
type = types.lines;
type = lib.types.lines;
description = ''
Custom styling for the HTML that munin-cron generates. This will be
appended to the CSS files used by munin-cron and will thus take
@ -320,7 +314,7 @@ in
};
config = mkMerge [ (mkIf (nodeCfg.enable || cronCfg.enable) {
config = lib.mkMerge [ (lib.mkIf (nodeCfg.enable || cronCfg.enable) {
environment.systemPackages = [ pkgs.munin ];
@ -335,7 +329,7 @@ in
gid = config.ids.gids.munin;
};
}) (mkIf nodeCfg.enable {
}) (lib.mkIf nodeCfg.enable {
systemd.services.munin-node = {
description = "Munin Node";
@ -380,7 +374,7 @@ in
group = "munin";
};
}) (mkIf cronCfg.enable {
}) (lib.mkIf cronCfg.enable {
# Munin is hardcoded to use DejaVu Mono and the graphs come out wrong if
# it's not available.