nixos/prometheus/exporters/knot: init
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@ -31,6 +31,7 @@ let
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"fritzbox"
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"json"
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"keylight"
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"knot"
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"lnd"
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"mail"
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"mikrotik"
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@ -0,0 +1,50 @@
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{ config, lib, pkgs, options }:
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with lib;
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let
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cfg = config.services.prometheus.exporters.knot;
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in {
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port = 9433;
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extraOpts = {
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knotLibraryPath = mkOption {
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type = types.str;
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default = "${pkgs.knot-dns.out}/lib/libknot.so";
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defaultText = "\${pkgs.knot-dns}/lib/libknot.so";
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description = ''
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Path to the library of <package>knot-dns</package>.
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'';
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};
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knotSocketPath = mkOption {
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type = types.str;
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default = "/run/knot/knot.sock";
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description = ''
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Socket path of <citerefentry><refentrytitle>knotd</refentrytitle>
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<manvolnum>8</manvolnum></citerefentry>.
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'';
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};
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knotSocketTimeout = mkOption {
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type = types.int;
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default = 2000;
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description = ''
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Timeout in seconds.
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'';
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};
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};
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serviceOpts = {
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serviceConfig = {
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ExecStart = ''
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${pkgs.prometheus-knot-exporter}/bin/knot_exporter \
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--web-listen-addr ${cfg.listenAddress} \
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--web-listen-port ${toString cfg.port} \
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--knot-library-path ${cfg.knotLibraryPath} \
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--knot-socket-path ${cfg.knotSocketPath} \
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--knot-socket-timeout ${toString cfg.knotSocketTimeout} \
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${concatStringsSep " \\\n " cfg.extraFlags}
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'';
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SupplementaryGroups = [ "knot" ];
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};
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};
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}
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@ -248,6 +248,24 @@ let
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'';
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};
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knot = {
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exporterConfig = {
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enable = true;
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};
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metricProvider = {
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services.knot = {
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enable = true;
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extraArgs = [ "-v" ];
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};
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};
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exporterTest = ''
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wait_for_unit("knot.service")
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wait_for_unit("prometheus-knot-exporter.service")
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wait_for_open_port(9433)
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succeed("curl -sSf 'localhost:9433' | grep -q 'knot_server_zone_count 0.0'")
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'';
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};
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keylight = {
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# A hardware device is required to properly test this exporter, so just
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# perform a couple of basic sanity checks that the exporter is running
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