f4d03b5c9c
- prometheus exporters are now configured with `services.prometheus.exporters.<name>` - the exporters are now defined by attribute sets from which the options for each exporter are generated - most of the exporter definitions are used unchanged, except for some changes that should't have any impact on the functionality.
79 lines
2.1 KiB
Nix
79 lines
2.1 KiB
Nix
{ config, lib, pkgs }:
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with lib;
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let
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cfg = config.services.prometheus.exporters.collectd;
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in
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{
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port = 9103;
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extraOpts = {
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collectdBinary = {
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enable = mkEnableOption "collectd binary protocol receiver";
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authFile = mkOption {
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default = null;
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type = types.nullOr types.path;
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description = "File mapping user names to pre-shared keys (passwords).";
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};
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port = mkOption {
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type = types.int;
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default = 25826;
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description = ''Network address on which to accept collectd binary network packets.'';
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};
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listenAddress = mkOption {
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type = types.str;
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default = "0.0.0.0";
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description = ''
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Address to listen on for binary network packets.
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'';
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};
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securityLevel = mkOption {
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type = types.enum ["None" "Sign" "Encrypt"];
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default = "None";
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description = ''
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Minimum required security level for accepted packets.
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'';
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};
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};
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logFormat = mkOption {
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type = types.str;
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default = "logger:stderr";
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example = "logger:syslog?appname=bob&local=7 or logger:stdout?json=true";
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description = ''
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Set the log target and format.
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'';
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};
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logLevel = mkOption {
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type = types.enum ["debug" "info" "warn" "error" "fatal"];
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default = "info";
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description = ''
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Only log messages with the given severity or above.
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'';
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};
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};
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serviceOpts = let
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collectSettingsArgs = if (cfg.collectdBinary.enable) then ''
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-collectd.listen-address ${cfg.collectdBinary.listenAddress}:${toString cfg.collectdBinary.port} \
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-collectd.security-level ${cfg.collectdBinary.securityLevel} \
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'' else "";
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in {
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serviceConfig = {
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DynamicUser = true;
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ExecStart = ''
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${pkgs.prometheus-collectd-exporter}/bin/collectd_exporter \
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-log.format ${cfg.logFormat} \
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-log.level ${cfg.logLevel} \
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-web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
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${collectSettingsArgs} \
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${concatStringsSep " \\\n " cfg.extraFlags}
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'';
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};
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};
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}
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