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Merge pull request #1280 from shaardie/power_supply_class 

Introduce Collector for Power Supply Class
This commit is contained in:
Ben Kochie 2019-10-30 10:28:11 +01:00 committed by GitHub
parent d574b4b41b d089776e8b
commit f9d2bbe854
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 547 additions and 0 deletions
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35
collector/fixtures/e2e-64k-page-output.txt
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@ -2393,6 +2393,40 @@ node_nfsd_server_rpcs_total 18628
# HELP node_nfsd_server_threads Total number of NFSd kernel threads that are running. # HELP node_nfsd_server_threads Total number of NFSd kernel threads that are running.
# TYPE node_nfsd_server_threads gauge # TYPE node_nfsd_server_threads gauge
node_nfsd_server_threads 8 node_nfsd_server_threads 8
# HELP node_power_supply_capacity capacity value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_capacity gauge
node_power_supply_capacity{power_supply="BAT0"} 81
# HELP node_power_supply_cyclecount cyclecount value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_cyclecount gauge
node_power_supply_cyclecount{power_supply="BAT0"} 0
# HELP node_power_supply_energy_full energy_full value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_energy_full gauge
node_power_supply_energy_full{power_supply="BAT0"} 4.507e+07
# HELP node_power_supply_energy_full_design energy_full_design value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_energy_full_design gauge
node_power_supply_energy_full_design{power_supply="BAT0"} 4.752e+07
# HELP node_power_supply_energy_now energy_now value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_energy_now gauge
node_power_supply_energy_now{power_supply="BAT0"} 3.658e+07
# HELP node_power_supply_info info of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_info gauge
node_power_supply_info{power_supply="AC",type="Mains"} 1
node_power_supply_info{capacity_level="Normal",manufacturer="LGC",model_name="LNV-45N1",power_supply="BAT0",serial_number="38109",status="Discharging",technology="Li-ion",type="Battery"} 1
# HELP node_power_supply_online online value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_online gauge
node_power_supply_online{power_supply="AC"} 0
# HELP node_power_supply_power_now power_now value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_power_now gauge
node_power_supply_power_now{power_supply="BAT0"} 5.002e+06
# HELP node_power_supply_present present value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_present gauge
node_power_supply_present{power_supply="BAT0"} 1
# HELP node_power_supply_voltage_min_design voltage_min_design value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_voltage_min_design gauge
node_power_supply_voltage_min_design{power_supply="BAT0"} 1.08e+07
# HELP node_power_supply_voltage_now voltage_now value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_voltage_now gauge
node_power_supply_voltage_now{power_supply="BAT0"} 1.166e+07
# HELP node_pressure_cpu_waiting_seconds_total Total time in seconds that processes have waited for CPU time # HELP node_pressure_cpu_waiting_seconds_total Total time in seconds that processes have waited for CPU time
# TYPE node_pressure_cpu_waiting_seconds_total counter # TYPE node_pressure_cpu_waiting_seconds_total counter
node_pressure_cpu_waiting_seconds_total 14.036781000000001 node_pressure_cpu_waiting_seconds_total 14.036781000000001
@ -2492,6 +2526,7 @@ node_scrape_collector_success{collector="netdev"} 1
node_scrape_collector_success{collector="netstat"} 1 node_scrape_collector_success{collector="netstat"} 1
node_scrape_collector_success{collector="nfs"} 1 node_scrape_collector_success{collector="nfs"} 1
node_scrape_collector_success{collector="nfsd"} 1 node_scrape_collector_success{collector="nfsd"} 1
node_scrape_collector_success{collector="powersupplyclass"} 1
node_scrape_collector_success{collector="pressure"} 1 node_scrape_collector_success{collector="pressure"} 1
node_scrape_collector_success{collector="processes"} 1 node_scrape_collector_success{collector="processes"} 1
node_scrape_collector_success{collector="qdisc"} 1 node_scrape_collector_success{collector="qdisc"} 1

35
collector/fixtures/e2e-output.txt
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@ -2393,6 +2393,40 @@ node_nfsd_server_rpcs_total 18628
# HELP node_nfsd_server_threads Total number of NFSd kernel threads that are running. # HELP node_nfsd_server_threads Total number of NFSd kernel threads that are running.
# TYPE node_nfsd_server_threads gauge # TYPE node_nfsd_server_threads gauge
node_nfsd_server_threads 8 node_nfsd_server_threads 8
# HELP node_power_supply_capacity capacity value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_capacity gauge
node_power_supply_capacity{power_supply="BAT0"} 81
# HELP node_power_supply_cyclecount cyclecount value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_cyclecount gauge
node_power_supply_cyclecount{power_supply="BAT0"} 0
# HELP node_power_supply_energy_full energy_full value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_energy_full gauge
node_power_supply_energy_full{power_supply="BAT0"} 45.07
# HELP node_power_supply_energy_full_design energy_full_design value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_energy_full_design gauge
node_power_supply_energy_full_design{power_supply="BAT0"} 47.52
# HELP node_power_supply_energy_watthour energy_watthour value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_energy_watthour gauge
node_power_supply_energy_watthour{power_supply="BAT0"} 36.58
# HELP node_power_supply_info info of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_info gauge
node_power_supply_info{power_supply="AC",type="Mains"} 1
node_power_supply_info{capacity_level="Normal",manufacturer="LGC",model_name="LNV-45N1",power_supply="BAT0",serial_number="38109",status="Discharging",technology="Li-ion",type="Battery"} 1
# HELP node_power_supply_online online value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_online gauge
node_power_supply_online{power_supply="AC"} 0
# HELP node_power_supply_power_watt power_watt value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_power_watt gauge
node_power_supply_power_watt{power_supply="BAT0"} 5.002
# HELP node_power_supply_present present value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_present gauge
node_power_supply_present{power_supply="BAT0"} 1
# HELP node_power_supply_voltage_min_design voltage_min_design value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_voltage_min_design gauge
node_power_supply_voltage_min_design{power_supply="BAT0"} 10.8
# HELP node_power_supply_voltage_volt voltage_volt value of /sys/class/power_supply/<power_supply>.
# TYPE node_power_supply_voltage_volt gauge
node_power_supply_voltage_volt{power_supply="BAT0"} 11.66
# HELP node_pressure_cpu_waiting_seconds_total Total time in seconds that processes have waited for CPU time # HELP node_pressure_cpu_waiting_seconds_total Total time in seconds that processes have waited for CPU time
# TYPE node_pressure_cpu_waiting_seconds_total counter # TYPE node_pressure_cpu_waiting_seconds_total counter
node_pressure_cpu_waiting_seconds_total 14.036781000000001 node_pressure_cpu_waiting_seconds_total 14.036781000000001
@ -2492,6 +2526,7 @@ node_scrape_collector_success{collector="netdev"} 1
node_scrape_collector_success{collector="netstat"} 1 node_scrape_collector_success{collector="netstat"} 1
node_scrape_collector_success{collector="nfs"} 1 node_scrape_collector_success{collector="nfs"} 1
node_scrape_collector_success{collector="nfsd"} 1 node_scrape_collector_success{collector="nfsd"} 1
node_scrape_collector_success{collector="powersupplyclass"} 1
node_scrape_collector_success{collector="pressure"} 1 node_scrape_collector_success{collector="pressure"} 1
node_scrape_collector_success{collector="processes"} 1 node_scrape_collector_success{collector="processes"} 1
node_scrape_collector_success{collector="qdisc"} 1 node_scrape_collector_success{collector="qdisc"} 1

283
collector/fixtures/sys.ttar
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POWER_SUPPLY_NAME=BAT0
POWER_SUPPLY_STATUS=Discharging
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_TECHNOLOGY=Li-ion
POWER_SUPPLY_CYCLE_COUNT=0
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POWER_SUPPLY_CAPACITY_LEVEL=Normal
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194
collector/powersupplyclass.go Normal file
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@ -0,0 +1,194 @@
// Copyright 2019 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build !nopowersupplyclass
// +build linux
package collector
import (
"fmt"
"regexp"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/procfs/sysfs"
"gopkg.in/alecthomas/kingpin.v2"
)
var (
powerSupplyClassIgnoredPowerSupplies = kingpin.Flag("collector.powersupply.ignored-supplies", "Regexp of power supplies to ignore for powersupplyclass collector.").Default("^$").String()
)
type powerSupplyClassCollector struct {
subsystem string
ignoredPattern *regexp.Regexp
metricDescs map[string]*prometheus.Desc
}
func init() {
registerCollector("powersupplyclass", defaultEnabled, NewPowerSupplyClassCollector)
}
func NewPowerSupplyClassCollector() (Collector, error) {
pattern := regexp.MustCompile(*powerSupplyClassIgnoredPowerSupplies)
return &powerSupplyClassCollector{
subsystem: "power_supply",
ignoredPattern: pattern,
metricDescs: map[string]*prometheus.Desc{},
}, nil
}
func (c *powerSupplyClassCollector) Update(ch chan<- prometheus.Metric) error {
powerSupplyClass, err := getPowerSupplyClassInfo(c.ignoredPattern)
if err != nil {
return fmt.Errorf("could not get power_supply class info: %s", err)
}
for _, powerSupply := range powerSupplyClass {
for name, value := range map[string]*int64{
"authentic": powerSupply.Authentic,
"calibrate": powerSupply.Calibrate,
"capacity": powerSupply.Capacity,
"capacity_alert_max": powerSupply.CapacityAlertMax,
"capacity_alert_min": powerSupply.CapacityAlertMin,
"cyclecount": powerSupply.CycleCount,
"online": powerSupply.Online,
"present": powerSupply.Present,
"time_to_empty_seconds": powerSupply.TimeToEmptyNow,
"time_to_full_seconds": powerSupply.TimeToFullNow,
} {
if value != nil {
pushPowerSupplyMetric(ch, c.subsystem, name, float64(*value), powerSupply.Name, prometheus.GaugeValue)
}
}
for name, value := range map[string]*int64{
"current_boot": powerSupply.CurrentBoot,
"current_max": powerSupply.CurrentMax,
"current_ampere": powerSupply.CurrentNow,
"energy_empty": powerSupply.EnergyEmpty,
"energy_empty_design": powerSupply.EnergyEmptyDesign,
"energy_full": powerSupply.EnergyFull,
"energy_full_design": powerSupply.EnergyFullDesign,
"energy_watthour": powerSupply.EnergyNow,
"voltage_boot": powerSupply.VoltageBoot,
"voltage_max": powerSupply.VoltageMax,
"voltage_max_design": powerSupply.VoltageMaxDesign,
"voltage_min": powerSupply.VoltageMin,
"voltage_min_design": powerSupply.VoltageMinDesign,
"voltage_volt": powerSupply.VoltageNow,
"voltage_ocv": powerSupply.VoltageOCV,
"charge_control_limit": powerSupply.ChargeControlLimit,
"charge_control_limit_max": powerSupply.ChargeControlLimitMax,
"charge_counter": powerSupply.ChargeCounter,
"charge_empty": powerSupply.ChargeEmpty,
"charge_empty_design": powerSupply.ChargeEmptyDesign,
"charge_full": powerSupply.ChargeFull,
"charge_full_design": powerSupply.ChargeFullDesign,
"charge_ampere": powerSupply.ChargeNow,
"charge_term_current": powerSupply.ChargeTermCurrent,
"constant_charge_current": powerSupply.ConstantChargeCurrent,
"constant_charge_current_max": powerSupply.ConstantChargeCurrentMax,
"constant_charge_voltage": powerSupply.ConstantChargeVoltage,
"constant_charge_voltage_max": powerSupply.ConstantChargeVoltageMax,
"precharge_current": powerSupply.PrechargeCurrent,
"input_current_limit": powerSupply.InputCurrentLimit,
"power_watt": powerSupply.PowerNow,
} {
if value != nil {
pushPowerSupplyMetric(ch, c.subsystem, name, float64(*value)/1e6, powerSupply.Name, prometheus.GaugeValue)
}
}
for name, value := range map[string]*int64{
"temp_celsius": powerSupply.Temp,
"temp_alert_max_celsius": powerSupply.TempAlertMax,
"temp_alert_min_celsius": powerSupply.TempAlertMin,
"temp_ambient_celsius": powerSupply.TempAmbient,
"temp_ambient_max_celsius": powerSupply.TempAmbientMax,
"temp_ambient_min_celsius": powerSupply.TempAmbientMin,
"temp_max_celsius": powerSupply.TempMax,
"temp_min_celsius": powerSupply.TempMin,
} {
if value != nil {
pushPowerSupplyMetric(ch, c.subsystem, name, float64(*value)/10.0, powerSupply.Name, prometheus.GaugeValue)
}
}
var (
keys []string
values []string
)
for name, value := range map[string]string{
"power_supply": powerSupply.Name,
"capacity_level": powerSupply.CapacityLevel,
"charge_type": powerSupply.ChargeType,
"health": powerSupply.Health,
"manufacturer": powerSupply.Manufacturer,
"model_name": powerSupply.ModelName,
"serial_number": powerSupply.SerialNumber,
"status": powerSupply.Status,
"technology": powerSupply.Technology,
"type": powerSupply.Type,
"usb_type": powerSupply.UsbType,
"scope": powerSupply.Scope,
} {
if value != "" {
keys = append(keys, name)
values = append(values, value)
}
}
fieldDesc := prometheus.NewDesc(
prometheus.BuildFQName(namespace, c.subsystem, "info"),
"info of /sys/class/power_supply/<power_supply>.",
keys,
nil,
)
ch <- prometheus.MustNewConstMetric(fieldDesc, prometheus.GaugeValue, 1.0, values...)
}
return nil
}
func pushPowerSupplyMetric(ch chan<- prometheus.Metric, subsystem string, name string, value float64, powerSupplyName string, valueType prometheus.ValueType) {
fieldDesc := prometheus.NewDesc(
prometheus.BuildFQName(namespace, subsystem, name),
fmt.Sprintf("%s value of /sys/class/power_supply/<power_supply>.", name),
[]string{"power_supply"},
nil,
)
ch <- prometheus.MustNewConstMetric(fieldDesc, valueType, value, powerSupplyName)
}
func getPowerSupplyClassInfo(ignore *regexp.Regexp) (sysfs.PowerSupplyClass, error) {
fs, err := sysfs.NewFS(*sysPath)
if err != nil {
return nil, err
}
powerSupplyClass, err := fs.PowerSupplyClass()
if err != nil {
return powerSupplyClass, fmt.Errorf("error obtaining power_supply class info: %s", err)
}
for device := range powerSupplyClass {
if ignore.MatchString(device) {
delete(powerSupplyClass, device)
}
}
return powerSupplyClass, nil
}