ae359d1ef2
Fixes issues described in #208242 for this part of the nixpkgs tree. There are no behavioral changes in this, it only adjusts the code so that it is easier to understand.
78 lines
2.3 KiB
Nix
78 lines
2.3 KiB
Nix
{ config, lib, pkgs, options, ... }:
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let
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cfg = config.services.prometheus.exporters.wireguard;
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inherit (lib)
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mkOption
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types
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mkRenamedOptionModule
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mkEnableOption
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optionalString
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escapeShellArg
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;
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in {
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port = 9586;
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imports = [
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(mkRenamedOptionModule [ "addr" ] [ "listenAddress" ])
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({ options.warnings = options.warnings; options.assertions = options.assertions; })
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];
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extraOpts = {
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verbose = mkEnableOption "verbose logging mode for prometheus-wireguard-exporter";
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wireguardConfig = mkOption {
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type = with types; nullOr (either path str);
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default = null;
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description = ''
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Path to the Wireguard Config to
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[add the peer's name to the stats of a peer](https://github.com/MindFlavor/prometheus_wireguard_exporter/tree/2.0.0#usage).
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Please note that `networking.wg-quick` is required for this feature
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as `networking.wireguard` uses
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{manpage}`wg(8)`
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to set the peers up.
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'';
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};
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singleSubnetPerField = mkOption {
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type = types.bool;
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default = false;
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description = ''
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By default, all allowed IPs and subnets are comma-separated in the
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`allowed_ips` field. With this option enabled,
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a single IP and subnet will be listed in fields like `allowed_ip_0`,
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`allowed_ip_1` and so on.
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'';
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};
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withRemoteIp = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether or not the remote IP of a WireGuard peer should be exposed via prometheus.
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'';
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};
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};
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serviceOpts = {
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path = [ pkgs.wireguard-tools ];
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serviceConfig = {
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AmbientCapabilities = [ "CAP_NET_ADMIN" ];
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CapabilityBoundingSet = [ "CAP_NET_ADMIN" ];
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ExecStart = ''
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${pkgs.prometheus-wireguard-exporter}/bin/prometheus_wireguard_exporter \
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-p ${toString cfg.port} \
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-l ${cfg.listenAddress} \
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${optionalString cfg.verbose "-v true"} \
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${optionalString cfg.singleSubnetPerField "-s true"} \
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${optionalString cfg.withRemoteIp "-r true"} \
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${optionalString (cfg.wireguardConfig != null) "-n ${escapeShellArg cfg.wireguardConfig}"}
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'';
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RestrictAddressFamilies = [
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# Need AF_NETLINK to collect data
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"AF_NETLINK"
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];
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};
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};
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}
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