commit cdb80c1f44e12b5fb7c952d1f8bfd4f95c3c4518 · pyrox.dev/nixpkgs

nixos/modules/services/monitoring/prometheus/exporters.nix

···

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           "blackbox"

     

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           "borgmatic"

     

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           "buildkite-agent"

     

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           "chrony"

     

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           "collectd"

     

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           "deluge"

     

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           "dmarc"

+97

nixos/modules/services/monitoring/prometheus/exporters/chrony.nix

···

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       {

     

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         config,

     

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         lib,

     

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         pkgs,

     

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         ...

     

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       }:

     

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       let

     

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         cfg = config.services.prometheus.exporters.chrony;

     

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         inherit (lib)

     

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           mkOption

     

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           types

     

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           concatStringsSep

     

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           concatMapStringsSep

     

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           ;

     

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       in

     

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       {

     

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         port = 9123;

     

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         extraOpts = {

     

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           chronyServerAddress = mkOption {

     

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             type = types.str;

     

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             default = "unix:///run/chrony/chronyd.sock";

     

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             example = [ "192.82.0.1:323" ];

     

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             description = ''

     

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               ChronyServerAddress of the chrony server side command port. (Not enabled by default.)

     

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               Defaults to the local unix socket.

     

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             '';

     

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           };

     

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           user = mkOption {

     

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             type = types.str;

     

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             default = "chrony";

     

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             description = ''

     

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               User name under which the chrony exporter shall be run.

     

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               This allows the exporter to talk to chrony using a unix socket, which is owned by chrony.

     

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               The exporter startup with the default user chrony will fail without local chrony instance.

     

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             '';

     

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           };

     

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           group = mkOption {

     

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             type = types.str;

     

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             default = "chrony";

     

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             description = ''

     

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               Group under which the chrony exporter shall be run.

     

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               This allows the exporter to talk to chrony using a unix socket, which is owned by chrony group.

     

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               The service startup with the default group chrony will fail without local chrony instance.

     

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             '';

     

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           };

     

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           enabledCollectors = mkOption {

     

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             type = types.listOf types.str;

     

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             default = [

     

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               "tracking"

     

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               "sources"

     

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               "sources.with-ntpdata"

     

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               "serverstats"

     

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               "dns-lookups"

     

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             ];

     

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             example = [ "dns-lookups" ];

     

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             description = ''

     

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               Collectors to enable.

     

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               Currently all collectors are enabled by default.

     

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             '';

     

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           };

     

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           disabledCollectors = mkOption {

     

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             type = types.listOf types.str;

     

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             default = [ ];

     

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             example = [ "sources.with-ntpdata" ];

     

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             description = ''

     

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               Collectors to disable which are enabled by default.

     

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               Disable sources.with-ntpdata for network scraper. Option requires unix socket.

     

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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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             AmbientCapabilities = [ "CAP_NET_BIND_SERVICE" ];

     

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             CapabilityBoundingSet = [ "CAP_NET_BIND_SERVICE" ];

     

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             MemoryDenyWriteExecute = true;

     

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             NoNewPrivileges = true;

     

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             ProtectClock = true;

     

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             ProtectSystem = "strict";

     

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             Restart = "on-failure";

     

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             RestrictAddressFamilies = [

     

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               "AF_INET"

     

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               "AF_INET6"

     

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               "AF_UNIX"

     

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             ];

     

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             RestrictNamespaces = true;

     

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             RestrictRealtime = true;

     

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             ExecStart = ''

     

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               ${lib.getExe pkgs.prometheus-chrony-exporter} \

     

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                 ${concatMapStringsSep " " (x: "--collector." + x) cfg.enabledCollectors} \

     

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                 ${concatMapStringsSep " " (x: "--no-collector." + x) cfg.disabledCollectors} \

     

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                 --chrony.address ${cfg.chronyServerAddress} \

     

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                 --web.listen-address ${cfg.listenAddress}:${toString cfg.port} \

     

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                 ${concatStringsSep " " cfg.extraFlags}

     

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             '';

     

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           };

     

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         };

     

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       }