stockholm/krebs/3modules/tinc_graphs.nix
2015-12-03 20:39:29 +01:00

149 lines
4.2 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.krebs.tinc_graphs;
internal_dir = "${cfg.workingDir}/internal";
external_dir = "${cfg.workingDir}/external";
out = {
options.krebs.tinc_graphs = api;
config = mkIf cfg.enable imp ;
};
api = {
enable = mkEnableOption "tinc graphs";
geodbPath = mkOption {
type = types.str;
description = "Path to geocitydb, defaults to geolite-legacy";
default = "${pkgs.geolite-legacy}/share/GeoIP/GeoIPCity.dat";
};
nginx = {
enable = mkEnableOption "enable tinc_graphs to be served with nginx";
anonymous = {
server-names = mkOption {
type = with types; listOf str;
description = "hostnames which serve anonymous graphs";
default = [ "graphs.${config.krebs.build.host.name}" ];
};
listen = mkOption {
# use the type of the nginx listen option
type = with types; listOf str;
description = "listen address for anonymous graphs";
default = [ "80" ];
};
};
complete = {
server-names = mkOption {
type = with types; listOf str;
description = "hostname which serves complete graphs";
default = [ "graphs.${config.krebs.build.host.name}" ];
};
listen = mkOption {
type = with types; listOf str;
description = "listen address for complete graphs";
default = [ "127.0.0.1:80" ];
};
};
};
workingDir = mkOption {
type = types.str;
description = ''
Path to working dir, will create interal and external/.
Defaults to the new users home dir which defaults to
/var/cache/tinc_graphs'';
default = config.users.extraUsers.tinc_graphs.home;
};
timerConfig = mkOption {
type = with types; attrsOf str;
default = {
OnCalendar = "*:0/15";
};
};
};
imp = {
environment.systemPackages = [ pkgs.tinc_graphs];
systemd.timers.tinc_graphs = {
description = "Build Tinc Graphs via via timer";
wantedBy = [ "timers.target"];
timerConfig = cfg.timerConfig;
};
systemd.services.tinc_graphs = {
description = "Build Tinc Graphs";
environment = {
EXTERNAL_FOLDER = external_dir;
INTERNAL_FOLDER = internal_dir;
GEODB = cfg.geodbPath;
TINC_HOSTPATH=config.krebs.retiolum.hosts;
};
restartIfChanged = true;
serviceConfig = {
Type = "simple";
TimeoutSec = 300; # we will wait 5 minutes, kill otherwise
restart = "always";
ExecStartPre = pkgs.writeScript "tinc_graphs-init" ''
#!/bin/sh
mkdir -p "${internal_dir}" "${external_dir}"
if ! test -e "${cfg.workingDir}/internal/index.html"; then
cp -fr "$(${pkgs.tinc_graphs}/bin/tincstats-static-dir)/internal/." "${internal_dir}"
fi
if ! test -e "${cfg.workingDir}/external/index.html"; then
cp -fr "$(${pkgs.tinc_graphs}/bin/tincstats-static-dir)/external/." "${external_dir}"
fi
'';
ExecStart = "${pkgs.tinc_graphs}/bin/all-the-graphs";
ExecStartPost = pkgs.writeScript "tinc_graphs-post" ''
#!/bin/sh
# TODO: this may break if workingDir is set to something stupid
# this is needed because homedir is created with 700
chmod 755 "${cfg.workingDir}"
'';
PrivateTmp = "yes";
User = "root"; # tinc cannot be queried as user,
# seems to be a tinc-pre issue
};
};
users.extraUsers.tinc_graphs = {
uid = 3925439960; #genid tinc_graphs
home = "/var/spool/tinc_graphs";
};
krebs.nginx.servers = mkIf cfg.nginx.enable {
tinc_graphs_complete = mkMerge [ cfg.nginx.complete {
locations = [
(nameValuePair "/" ''
autoindex on;
root ${internal_dir};
'')
];
}] ;
tinc_graphs_anonymous = mkMerge [ cfg.nginx.anonymous {
locations = [
(nameValuePair "/" ''
autoindex on;
root ${external_dir};
'')
];
}];
};
};
in
out