diff options
Diffstat (limited to 'nixos/modules/services/monitoring/prometheus/exporters/smartctl.nix')
-rw-r--r-- | nixos/modules/services/monitoring/prometheus/exporters/smartctl.nix | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/smartctl.nix b/nixos/modules/services/monitoring/prometheus/exporters/smartctl.nix new file mode 100644 index 00000000000..bac98364538 --- /dev/null +++ b/nixos/modules/services/monitoring/prometheus/exporters/smartctl.nix @@ -0,0 +1,75 @@ +{ config, lib, pkgs, options }: + +with lib; + +let + cfg = config.services.prometheus.exporters.smartctl; + format = pkgs.formats.yaml {}; + configFile = format.generate "smartctl-exporter.yml" { + smartctl_exporter = { + bind_to = "${cfg.listenAddress}:${toString cfg.port}"; + url_path = "/metrics"; + smartctl_location = "${pkgs.smartmontools}/bin/smartctl"; + collect_not_more_than_period = cfg.maxInterval; + devices = cfg.devices; + }; + }; +in { + port = 9633; + + extraOpts = { + devices = mkOption { + type = types.listOf types.str; + default = []; + example = literalExpression '' + [ "/dev/sda", "/dev/nvme0n1" ]; + ''; + description = '' + Paths to the disks that will be monitored. Will autodiscover + all disks if none given. + ''; + }; + maxInterval = mkOption { + type = types.str; + default = "60s"; + example = "2m"; + description = '' + Interval that limits how often a disk can be queried. + ''; + }; + }; + + serviceOpts = { + serviceConfig = { + AmbientCapabilities = [ + "CAP_SYS_RAWIO" + "CAP_SYS_ADMIN" + ]; + CapabilityBoundingSet = [ + "CAP_SYS_RAWIO" + "CAP_SYS_ADMIN" + ]; + DevicePolicy = "closed"; + DeviceAllow = lib.mkOverride 100 ( + if cfg.devices != [] then + cfg.devices + else [ + "block-blkext rw" + "block-sd rw" + "char-nvme rw" + ] + ); + ExecStart = '' + ${pkgs.prometheus-smartctl-exporter}/bin/smartctl_exporter -config ${configFile} + ''; + PrivateDevices = lib.mkForce false; + ProtectProc = "invisible"; + ProcSubset = "pid"; + SupplementaryGroups = [ "disk" ]; + SystemCallFilter = [ + "@system-service" + "~@privileged @resources" + ]; + }; + }; +} |