diff --git a/cmd/nut_exporter/README.md b/cmd/nut_exporter/README.md deleted file mode 100644 index 7364343..0000000 --- a/cmd/nut_exporter/README.md +++ /dev/null @@ -1,16 +0,0 @@ -# nut_exporter - -Command nut_exporter exports UPSs on one or more NUT (Network UPS -Tools) servers to Prometheus. - -## Installation - -``` -go get -u honnef.co/go/nut/cmd/nut_exporter -``` - -## Usage - -``` -nut_exporter -h -``` diff --git a/cmd/nut_exporter/main.go b/cmd/nut_exporter/main.go deleted file mode 100644 index 808fe7f..0000000 --- a/cmd/nut_exporter/main.go +++ /dev/null @@ -1,26 +0,0 @@ -// Command nut_exporter exports UPSs on one or more NUT servers to -// Prometheus. -package main - -import ( - "flag" - "log" - "net/http" - "strings" - - "honnef.co/go/nut/nutcollector" - - "github.com/prometheus/client_golang/prometheus" - "github.com/prometheus/client_golang/prometheus/promhttp" -) - -func main() { - fHosts := flag.String("h", "localhost", "Space-separated list of hosts to collect") - fListen := flag.String("l", ":9230", "Address and port to listen on") - flag.Parse() - - c := nutcollector.New(strings.Fields(*fHosts)) - prometheus.MustRegister(c) - http.Handle("/metrics", promhttp.Handler()) - log.Fatal(http.ListenAndServe(*fListen, nil)) -} diff --git a/go.mod b/go.mod index 4b17d5a..f5dbb07 100644 --- a/go.mod +++ b/go.mod @@ -1,5 +1,3 @@ -module honnef.co/go/nut +module github.com/rwinkhart/uni-nut -go 1.14 - -require github.com/prometheus/client_golang v1.7.1 +go 1.25.2 diff --git a/go.sum b/go.sum index 1754cb7..e69de29 100644 --- a/go.sum +++ b/go.sum @@ -1,102 +0,0 @@ -github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= -github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= -github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= -github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= -github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= -github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8= -github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= -github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= -github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY= -github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= -github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= -github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= 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a/nutcollector/collector.go +++ /dev/null @@ -1,177 +0,0 @@ -// Package nutcollector implements a Prometheus collector for Network -// UPS Tools. -package nutcollector - -import ( - "log" - "strconv" - - "honnef.co/go/nut" - - "github.com/prometheus/client_golang/prometheus" -) - -var descriptions = map[string]struct { - name string - desc string - enum string -}{ - "device.uptime": {name: "ups_uptime_seconds", desc: "Device uptime"}, - - "ups.temperature": {name: "ups_temperature_celsius", desc: "UPS temperature"}, - "ups.load": {name: "ups_load_percent", desc: "Load on UPS"}, - "ups.load.high": {name: "ups_load_high_percent", desc: "Load when UPS switches to overload condition"}, - "ups.efficiency": {name: "ups_efficiency", desc: "Efficiency of the UPS (ratio of the output current on the input current)"}, - "ups.power": {name: "ups_power_voltamperes", desc: "Current value of apparent power"}, - "ups.power.nominal": {name: "ups_power_nominal_voltamperes", desc: "Nominal value of apparent power"}, - "ups.realpower": {name: "ups_realpower_watts", desc: "Current value of real power"}, - "ups.realpower.nominal": {name: "ups_realpower_nominal_watts", desc: "Nominal value of real power"}, - "ups.beeper.status": {name: "ups_beeper_status", desc: "UPS beeper status", enum: "status"}, - "ups.status": {name: "ups_status", desc: "UPS status", enum: "status"}, - - "input.voltage": {name: "input_voltage_volts", desc: "Input voltage"}, - "input.voltage.maximum": {name: "input_voltage_maximum_volts", desc: "Maximum incoming voltage seen"}, - "input.voltage.minimum": {name: "input_voltage_minimum_volts", desc: "Minimum incoming voltage seen"}, - "input.voltage.low.warning": {name: "input_voltage_low_warning_volts", desc: "Low warning threshold"}, - "input.voltage.low.critical": {name: "input_voltage_low_critical_volts", desc: "Low critical threshold"}, - "input.voltage.high.warning": {name: "input_voltage_high_warning_volts", desc: "High warning threshold"}, - "input.voltage.high.critical": {name: "input_voltage_high_critical_volts", desc: "High critical threshold"}, - "input.voltage.nominal": {name: "input_voltage_nominal_volts", desc: "Nominal input voltage"}, - "input.transfer.delay": {name: "input_transfer_delay_seconds", desc: "Delay before transfer to mains"}, - "input.transfer.low": {name: "input_transfer_low_volts", desc: "Low voltage transfer point"}, - "input.transfer.high": {name: "input_transfer_high_volts", desc: "High voltage transfer point"}, - "input.transfer.low.min": {name: "input_transfer_low_min_volts", desc: "smallest settable low voltage transfer point"}, - "input.transfer.low.max": {name: "input_transfer_low_max_volts", desc: "greatest settable low voltage transfer point"}, - "input.transfer.high.min": {name: "input_transfer_high_min_volts", desc: "smallest settable high voltage transfer point"}, - "input.transfer.high.max": {name: "input_transfer_high_max_volts", desc: "greatest settable high voltage transfer point"}, - "input.current": {name: "input_current_amperes", desc: "Input current"}, - "input.current.nominal": {name: "input_current_nominal_amperes", desc: "Nominal input current"}, - "input.current.low.warning": {name: "input_current_low_warning_amperes", desc: "Low warning threshold"}, - "input.current.low.critical": {name: "input_current_low_critical_amperes", desc: "Low critical threshold"}, - "input.current.high.warning": {name: "input_current_high_warning_amperes", desc: "High warning threshold"}, - "input.current.high.critical": {name: "input_current_high_critical_amperes", desc: "High critical threshold"}, - "input.frequency": {name: "input_frequency_hertz", desc: "Input line frequency"}, - "input.frequency.nominal": {name: "input_frequency_nominal_hertz", desc: "Nominal input line frequency"}, - "input.frequency.low": {name: "input_frequency_low_hertz", desc: "Input line frequency low"}, - "input.frequency.high": {name: "input_frequency_high_hertz", desc: "Input line frequency high"}, - "input.transfer.boost.low": {name: "input_transfer_boost_low_hertz", desc: "Low voltage boosting transfer point"}, - "input.transfer.boost.high": {name: "input_transfer_boost_high_hertz", desc: "High voltage boosting transfer point"}, - "input.transfer.trim.low": {name: "input_transfer_trim_low_hertz", desc: "Low voltage trimming transfer point"}, - "input.transfer.trim.high": {name: "input_transfer_trim_high_hertz", desc: "High voltage trimming transfer point"}, - "input.load": {name: "input_load_percent", desc: "Load on (ePDU) input"}, - "input.realpower": {name: "input_realpower_watts", desc: "Current sum value of all (ePDU) phases real power"}, - "input.power": {name: "input_power_voltamperes", desc: "Current sum value of all (ePDU) phases apparent power"}, - - "output.voltage": {name: "output_voltage_volts", desc: "Output voltage"}, - "output.voltage.nominal": {name: "output_voltage_nominal_volts", desc: "Nominal output voltage"}, - "output.frequency": {name: "output_frequency_hertz", desc: "Output frequency"}, - "output.frequency.nominal": {name: "output_frequency_nominal_hertz", desc: "Nominal output frequency"}, - "output.current": {name: "output_current_amperes", desc: "Output current"}, - "output.current.nominal": {name: "output_current_nominal_amperes", desc: "Nominal output current"}, - - "battery.charge": {name: "battery_charge_percent", desc: "Battery charge"}, - "battery.charge.low": {name: "battery_charge_low_percent", desc: "Remaining battery level when UPS switches to LB"}, - "battery.charge.restart": {name: "battery_charge_restart_percent", desc: "Minimum battery level for UPS restart after power-off"}, - "battery.charge.warning": {name: "battery_charge_warning_percent", desc: "Battery level when UPS switches to \"Warning\" state"}, - "battery.charger.status": {name: "battery_charger_status", desc: "Status of the battery charger", enum: "status"}, - "battery.voltage": {name: "battery_voltage_volts", desc: "Battery voltage"}, - "battery.voltage.nominal": {name: "battery_voltage_nominal_volts", desc: "Nominal battery voltage"}, - "battery.voltage.low": {name: "battery_voltage_low_volts", desc: "Minimum battery voltage, desc: that triggers FSD status"}, - "battery.voltage.high": {name: "battery_voltage_high_volts", desc: "Maximum battery voltage (i.e. battery.charge = 100)"}, - "battery.capacity": {name: "battery_capacity_amperehours", desc: "Battery capacity"}, - "battery.current": {name: "battery_current_amperes", desc: "Battery current"}, - "battery.current.total": {name: "battery_current_total_amperes", desc: "Total battery current"}, - "battery.temperature": {name: "battery_temperature_celsius", desc: "Battery temperature"}, - "battery.runtime": {name: "battery_runtime_seconds", desc: "Battery runtime"}, - "battery.runtime.low": {name: "battery_runtime_low_seconds", desc: "Remaining battery runtime when UPS switches to LB"}, - "battery.runtime.restart": {name: "battery_runtime_restart_seconds", desc: "Minimum battery runtime for UPS restart after power-off"}, - "battery.packs": {name: "battery_packs", desc: "Number of battery packs"}, - "battery.packs.bad": {name: "battery_packs_bad", desc: "Number of bad battery packs"}, -} - -// New returns a Prometheus collector, collecting statistics -// from all UPSs on the hosts. -func New(hosts []string) prometheus.Collector { - const namespace = "nut" - - descs := map[string]*prometheus.Desc{} - for k, v := range descriptions { - labels := []string{"name", "model", "mfr", "serial", "type"} - if v.enum != "" { - labels = append(labels, v.enum) - } - descs[k] = prometheus.NewDesc( - prometheus.BuildFQName(namespace, "", v.name), - v.desc, - labels, - nil, - ) - } - - return &nutCollector{ - hosts: hosts, - descs: descs, - } -} - -type nutCollector struct { - hosts []string - descs map[string]*prometheus.Desc -} - -func (c *nutCollector) Describe(ch chan<- *prometheus.Desc) { - for _, v := range c.descs { - ch <- v - } -} - -func (c *nutCollector) Collect(ch chan<- prometheus.Metric) { - for _, host := range c.hosts { - conn, err := nut.Dial(host) - if err != nil { - log.Printf("error connecting to NUT server: %s", err) - continue - } - upss, err := conn.UPSs() - if err != nil { - log.Printf("error getting list of UPSs: %s", err) - _ = conn.Close() - continue - } - for _, ups := range upss { - if err := c.readNUT(conn, ups, ch); err != nil { - log.Printf("error reading UPS values: %s", err) - } - } - _ = conn.Close() - } -} - -func (c *nutCollector) readNUT(conn *nut.Client, name string, ch chan<- prometheus.Metric) error { - vars, err := conn.Variables(name) - if err != nil { - return err - } - labelValues := []string{ - name, vars["device.model"], vars["device.mfr"], vars["device.serial"], vars["device.type"], - } - for k, v := range vars { - desc, ok := c.descs[k] - if !ok { - continue - } - - if descriptions[k].enum == "" { - f, err := strconv.ParseFloat(v, 64) - if err != nil { - continue - } - ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, f, labelValues...) - } else { - labels := append(labelValues, v) - ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, 1.0, labels...) - } - } - - return nil -}