nixpkgs/nixos/modules/services/logging/awstats.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.awstats;
httpd = config.services.httpd;
package = pkgs.awstats;
in
{
options.services.awstats = {
enable = mkOption {
type = types.bool;
default = cfg.service.enable;
description = ''
Enable the awstats program (but not service).
Currently only simple httpd (Apache) configs are supported,
and awstats plugins may not work correctly.
'';
};
vardir = mkOption {
type = types.path;
default = "/var/lib/awstats";
description = "The directory where variable awstats data will be stored.";
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = "Extra configuration to be appendend to awstats.conf.";
};
updateAt = mkOption {
type = types.nullOr types.str;
default = null;
example = "hourly";
description = ''
Specification of the time at which awstats will get updated.
(in the format described by <citerefentry>
<refentrytitle>systemd.time</refentrytitle>
<manvolnum>7</manvolnum></citerefentry>)
'';
};
service = {
enable = mkOption {
type = types.bool;
default = false;
description = ''Enable the awstats web service. This switches on httpd.'';
};
urlPrefix = mkOption {
type = types.str;
default = "/awstats";
description = "The URL prefix under which the awstats service appears.";
};
};
};
config = mkIf cfg.enable {
environment.systemPackages = [ package.bin ];
/* TODO:
- heed config.services.httpd.logPerVirtualHost, etc.
- Can't AllowToUpdateStatsFromBrowser, as CGI scripts don't have permission
to read the logs, and our httpd config apparently doesn't an option for that.
*/
environment.etc."awstats/awstats.conf".source = pkgs.runCommand "awstats.conf"
{ preferLocalBuild = true; }
( let
logFormat =
if httpd.logFormat == "combined" then "1" else
if httpd.logFormat == "common" then "4" else
throw "awstats service doesn't support Apache log format `${httpd.logFormat}`";
in
''
sed \
-e 's|^\(DirData\)=.*$|\1="${cfg.vardir}"|' \
-e 's|^\(DirIcons\)=.*$|\1="icons"|' \
-e 's|^\(CreateDirDataIfNotExists\)=.*$|\1=1|' \
-e 's|^\(SiteDomain\)=.*$|\1="${httpd.hostName}"|' \
-e 's|^\(LogFile\)=.*$|\1="${httpd.logDir}/access_log"|' \
-e 's|^\(LogFormat\)=.*$|\1=${logFormat}|' \
< '${package.out}/wwwroot/cgi-bin/awstats.model.conf' > "$out"
echo '${cfg.extraConfig}' >> "$out"
'');
systemd.tmpfiles.rules = optionals cfg.service.enable [
"d '${cfg.vardir}' - ${httpd.user} ${httpd.group} - -"
"Z '${cfg.vardir}' - ${httpd.user} ${httpd.group} - -"
];
# The httpd sub-service showing awstats.
services.httpd = optionalAttrs cfg.service.enable {
enable = true;
extraConfig = ''
Alias ${cfg.service.urlPrefix}/classes "${package.out}/wwwroot/classes/"
Alias ${cfg.service.urlPrefix}/css "${package.out}/wwwroot/css/"
Alias ${cfg.service.urlPrefix}/icons "${package.out}/wwwroot/icon/"
ScriptAlias ${cfg.service.urlPrefix}/ "${package.out}/wwwroot/cgi-bin/"
<Directory "${package.out}/wwwroot">
Options None
Require all granted
</Directory>
'';
};
systemd.services.awstats-update = mkIf (cfg.updateAt != null) {
description = "awstats log collector";
script = "exec '${package.bin}/bin/awstats' -update -config=awstats.conf";
startAt = cfg.updateAt;
};
};
}