58 lines
1.6 KiB
Nix
58 lines
1.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.lighttpd.collectd;
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collectionConf = pkgs.writeText "collection.conf" ''
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datadir: "${config.services.collectd.dataDir}"
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libdir: "${config.services.collectd.package}/lib/collectd"
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'';
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defaultCollectionCgi = config.services.collectd.package.overrideDerivation(old: {
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name = "collection.cgi";
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configurePhase = "true";
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buildPhase = "true";
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installPhase = ''
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substituteInPlace contrib/collection.cgi --replace '"/etc/collection.conf"' '$ENV{COLLECTION_CONF}'
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cp contrib/collection.cgi $out
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'';
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});
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in
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{
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options.services.lighttpd.collectd = {
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enable = mkEnableOption "collectd subservice accessible at http://yourserver/collectd";
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collectionCgi = mkOption {
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type = types.path;
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default = defaultCollectionCgi;
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description = ''
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Path to collection.cgi script from (collectd sources)/contrib/collection.cgi
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This option allows to use a customized version
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'';
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};
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};
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config = mkIf cfg.enable {
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services.lighttpd.enableModules = [ "mod_cgi" "mod_alias" "mod_setenv" ];
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services.lighttpd.extraConfig = ''
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$HTTP["url"] =~ "^/collectd" {
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cgi.assign = (
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".cgi" => "${pkgs.perl}/bin/perl"
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)
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alias.url = (
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"/collectd" => "${cfg.collectionCgi}"
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)
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setenv.add-environment = (
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"PERL5LIB" => "${with pkgs; lib.makePerlPath [ perlPackages.CGI perlPackages.HTMLParser perlPackages.URI rrdtool ]}",
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"COLLECTION_CONF" => "${collectionConf}"
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)
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}
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'';
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};
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}
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