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Read sensors through redfish

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This commit is contained in:
Holger Obermaier 2024-03-06 14:59:47 +01:00
parent 6aada60d97
commit 902f4349b6
2 changed files with 269 additions and 86 deletions
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332
receivers/redfishReceiver.go
View File

@ -6,6 +6,7 @@ import (
"encoding/json"
"fmt"
"io"
"maps"
"net/http"
"strconv"
"strings"
@ -32,10 +33,14 @@ type RedfishReceiverClientConfig struct {
doPowerMetric bool
doProcessorMetrics bool
doSensors bool
doThermalMetrics bool
skipProcessorMetricsURL map[string]bool
// readSensorURLs stores for each chassis ID a list of sensor URLs to read
readSensorURLs map[string][]string
gofish gofish.ClientConfig
}
@ -56,7 +61,226 @@ type RedfishReceiver struct {
wg sync.WaitGroup // wait group for redfish receiver
}
// deleteEmptyTags removes tags or meta data tags with empty value
func deleteEmptyTags(tags map[string]string) {
maps.DeleteFunc(
tags,
func(key string, value string) bool {
return value == ""
},
)
}
// setMetricValue sets the value entry in the fields map
func setMetricValue(value any) map[string]interface{} {
return map[string]interface{}{
"value": value,
}
}
// sendMetric sends the metric through the sink channel
func (r *RedfishReceiver) sendMetric(name string, tags map[string]string, meta map[string]string, value any, timestamp time.Time) {
deleteEmptyTags(tags)
deleteEmptyTags(meta)
y, err := lp.New(name, tags, meta, setMetricValue(value), timestamp)
if err == nil {
r.sink <- y
}
}
// readSensors reads sensors from a redfish device
// See: https://redfish.dmtf.org/schemas/v1/Sensor.json
// Redfish URI: /redfish/v1/Chassis/{ChassisId}/Sensors/{SensorId}
func (r *RedfishReceiver) readSensors(
clientConfig *RedfishReceiverClientConfig,
chassis *redfish.Chassis) error {
writeTemperatureSensor := func(sensor *redfish.Sensor) {
tags := map[string]string{
"hostname": clientConfig.Hostname,
"type": "node",
// ChassisType shall indicate the physical form factor for the type of chassis
"chassis_typ": string(chassis.ChassisType),
// Chassis name
"chassis_name": chassis.Name,
// ID uniquely identifies the resource
"sensor_id": sensor.ID,
// The area or device to which this sensor measurement applies
"temperature_physical_context": string(sensor.PhysicalContext),
// Name
"temperature_name": sensor.Name,
}
// Set meta data tags
meta := map[string]string{
"source": r.name,
"group": "Temperature",
"unit": "degC",
}
r.sendMetric("temperature", tags, meta, sensor.Reading, time.Now())
}
writeFanSpeedSensor := func(sensor *redfish.Sensor) {
tags := map[string]string{
"hostname": clientConfig.Hostname,
"type": "node",
// ChassisType shall indicate the physical form factor for the type of chassis
"chassis_typ": string(chassis.ChassisType),
// Chassis name
"chassis_name": chassis.Name,
// ID uniquely identifies the resource
"sensor_id": sensor.ID,
// The area or device to which this sensor measurement applies
"fan_physical_context": string(sensor.PhysicalContext),
// Name
"fan_name": sensor.Name,
}
// Set meta data tags
meta := map[string]string{
"source": r.name,
"group": "FanSpeed",
"unit": string(sensor.ReadingUnits),
}
r.sendMetric("fan_speed", tags, meta, sensor.Reading, time.Now())
}
writePowerSensor := func(sensor *redfish.Sensor) {
// Set tags
tags := map[string]string{
"hostname": clientConfig.Hostname,
"type": "node",
// ChassisType shall indicate the physical form factor for the type of chassis
"chassis_typ": string(chassis.ChassisType),
// Chassis name
"chassis_name": chassis.Name,
// ID uniquely identifies the resource
"sensor_id": sensor.ID,
// The area or device to which this sensor measurement applies
"power_physical_context": string(sensor.PhysicalContext),
// Name
"power_name": sensor.Name,
}
// Set meta data tags
meta := map[string]string{
"source": r.name,
"group": "Energy",
"unit": "watts",
}
r.sendMetric("power", tags, meta, sensor.Reading, time.Now())
}
if _, ok := clientConfig.readSensorURLs[chassis.ID]; !ok {
// First time run of read sensors for this chassis
clientConfig.readSensorURLs[chassis.ID] = make([]string, 0)
// Get sensor information for this chassis
sensors, err := chassis.Sensors()
if err != nil {
return fmt.Errorf("readSensors: chassis.Sensors() failed: %v", err)
}
// Skip empty sensors information
if sensors == nil {
return nil
}
for _, sensor := range sensors {
// Skip all sensors which are not in enabled state or which are unhealthy
if sensor.Status.State != common.EnabledState || sensor.Status.Health != common.OKHealth {
continue
}
// Skip sensors with missing readings units or type
if sensor.ReadingUnits == "" || sensor.ReadingType == "" {
continue
}
// Power readings
if (sensor.ReadingType == redfish.PowerReadingType && sensor.ReadingUnits == "Watts") ||
(sensor.ReadingType == redfish.CurrentReadingType && sensor.ReadingUnits == "Watts") {
if clientConfig.isExcluded["power"] {
continue
}
clientConfig.readSensorURLs[chassis.ID] = append(clientConfig.readSensorURLs[chassis.ID], sensor.ODataID)
writePowerSensor(sensor)
continue
}
// Fan speed readings
if (sensor.ReadingType == redfish.AirFlowReadingType && sensor.ReadingUnits == "RPM") ||
(sensor.ReadingType == redfish.AirFlowReadingType && sensor.ReadingUnits == "Percent") {
// Skip, when fan_speed metric is excluded
if clientConfig.isExcluded["fan_speed"] {
continue
}
clientConfig.readSensorURLs[chassis.ID] = append(clientConfig.readSensorURLs[chassis.ID], sensor.ODataID)
writeFanSpeedSensor(sensor)
}
// Temperature readings
if sensor.ReadingType == redfish.TemperatureReadingType && sensor.ReadingUnits == "C" {
if clientConfig.isExcluded["temperature"] {
continue
}
clientConfig.readSensorURLs[chassis.ID] = append(clientConfig.readSensorURLs[chassis.ID], sensor.ODataID)
writeTemperatureSensor(sensor)
continue
}
}
} else {
common.CollectCollection(
func(uri string) {
sensor, err := redfish.GetSensor(chassis.GetClient(), uri)
if err != nil {
cclog.ComponentError(r.name, "redfish.GetSensor() for uri '", uri, "' failed")
}
// Power readings
if (sensor.ReadingType == redfish.PowerReadingType && sensor.ReadingUnits == "Watts") ||
(sensor.ReadingType == redfish.CurrentReadingType && sensor.ReadingUnits == "Watts") {
writePowerSensor(sensor)
return
}
// Fan speed readings
if (sensor.ReadingType == redfish.AirFlowReadingType && sensor.ReadingUnits == "RPM") ||
(sensor.ReadingType == redfish.AirFlowReadingType && sensor.ReadingUnits == "Percent") {
writeFanSpeedSensor(sensor)
return
}
// Temperature readings
if sensor.ReadingType == redfish.TemperatureReadingType && sensor.ReadingUnits == "C" {
writeTemperatureSensor(sensor)
return
}
},
clientConfig.readSensorURLs[chassis.ID])
}
return nil
}
// readThermalMetrics reads thermal metrics from a redfish device
// See: https://redfish.dmtf.org/schemas/v1/Thermal.json
// Redfish URI: /redfish/v1/Chassis/{ChassisId}/Thermal
// -> deprecated in favor of the ThermalSubsystem schema
// -> on Lenovo servers /redfish/v1/Chassis/{ChassisId}/ThermalSubsystem/ThermalMetrics links to /redfish/v1/Chassis/{ChassisId}/Sensors/{SensorId}
func (r *RedfishReceiver) readThermalMetrics(
clientConfig *RedfishReceiverClientConfig,
chassis *redfish.Chassis) error {
@ -106,13 +330,6 @@ func (r *RedfishReceiver) readThermalMetrics(
"temperature_name": temperature.Name,
}
// Delete empty tags
for key, value := range tags {
if value == "" {
delete(tags, key)
}
}
// Set meta data tags
meta := map[string]string{
"source": r.name,
@ -123,14 +340,7 @@ func (r *RedfishReceiver) readThermalMetrics(
// ReadingCelsius shall be the current value of the temperature sensor's reading.
value := temperature.ReadingCelsius
y, err := lp.New("temperature", tags, meta,
map[string]interface{}{
"value": value,
},
timestamp)
if err == nil {
r.sink <- y
}
r.sendMetric("temperature", tags, meta, value, timestamp)
}
for _, fan := range thermal.Fans {
@ -164,13 +374,6 @@ func (r *RedfishReceiver) readThermalMetrics(
"fan_name": fan.Name,
}
// Delete empty tags
for key, value := range tags {
if value == "" {
delete(tags, key)
}
}
// Set meta data tags
meta := map[string]string{
"source": r.name,
@ -178,23 +381,16 @@ func (r *RedfishReceiver) readThermalMetrics(
"unit": string(fan.ReadingUnits),
}
// Reading shall be the current value of the fan sensor's reading
value := fan.Reading
y, err := lp.New("fan_speed", tags, meta,
map[string]interface{}{
"value": value,
},
timestamp)
if err == nil {
r.sink <- y
}
r.sendMetric("fan_speed", tags, meta, fan.Reading, timestamp)
}
return nil
}
// readPowerMetrics reads power metrics from a redfish device
// See: https://redfish.dmtf.org/schemas/v1/Power.json
// Redfish URI: /redfish/v1/Chassis/{ChassisId}/Power
// -> deprecated in favor of the PowerSubsystem schema
func (r *RedfishReceiver) readPowerMetrics(
clientConfig *RedfishReceiverClientConfig,
chassis *redfish.Chassis) error {
@ -274,13 +470,6 @@ func (r *RedfishReceiver) readPowerMetrics(
"power_control_name": pc.Name,
}
// Delete empty tags
for key, value := range tags {
if value == "" {
delete(tags, key)
}
}
// Set meta data tags
meta := map[string]string{
"source": r.name,
@ -289,23 +478,8 @@ func (r *RedfishReceiver) readPowerMetrics(
"unit": "watts",
}
// Delete empty meta data tags
for key, value := range meta {
if value == "" {
delete(meta, key)
}
}
for name, value := range metrics {
y, err := lp.New(name, tags, meta,
map[string]interface{}{
"value": value,
},
timestamp)
if err == nil {
r.sink <- y
}
r.sendMetric(name, tags, meta, value, timestamp)
}
}
@ -314,6 +488,7 @@ func (r *RedfishReceiver) readPowerMetrics(
// readProcessorMetrics reads processor metrics from a redfish device
// See: https://redfish.dmtf.org/schemas/v1/ProcessorMetrics.json
// Redfish URI: /redfish/v1/Systems/{ComputerSystemId}/Processors/{ProcessorId}/ProcessorMetrics
func (r *RedfishReceiver) readProcessorMetrics(
clientConfig *RedfishReceiverClientConfig,
processor *redfish.Processor) error {
@ -374,13 +549,6 @@ func (r *RedfishReceiver) readProcessorMetrics(
"processor_id": processor.ID,
}
// Delete empty tags
for key, value := range tags {
if value == "" {
delete(tags, key)
}
}
// Set meta data tags
metaPower := map[string]string{
"source": r.name,
@ -393,14 +561,7 @@ func (r *RedfishReceiver) readProcessorMetrics(
if !clientConfig.isExcluded[namePower] &&
// Some servers return "ConsumedPowerWatt":65535 instead of "ConsumedPowerWatt":null
processorMetrics.ConsumedPowerWatt != 65535 {
y, err := lp.New(namePower, tags, metaPower,
map[string]interface{}{
"value": processorMetrics.ConsumedPowerWatt,
},
timestamp)
if err == nil {
r.sink <- y
}
r.sendMetric(namePower, tags, metaPower, processorMetrics.ConsumedPowerWatt, timestamp)
}
// Set meta data tags
metaThermal := map[string]string{
@ -412,14 +573,7 @@ func (r *RedfishReceiver) readProcessorMetrics(
nameThermal := "temperature"
if !clientConfig.isExcluded[nameThermal] {
y, err := lp.New(nameThermal, tags, metaThermal,
map[string]interface{}{
"value": processorMetrics.TemperatureCelsius,
},
timestamp)
if err == nil {
r.sink <- y
}
r.sendMetric(nameThermal, tags, metaThermal, processorMetrics.TemperatureCelsius, timestamp)
}
return nil
}
@ -452,7 +606,8 @@ func (r *RedfishReceiver) readMetrics(clientConfig *RedfishReceiverClientConfig)
// Get all chassis managed by this service
isChassisListRequired :=
clientConfig.doThermalMetrics ||
clientConfig.doSensors ||
clientConfig.doThermalMetrics ||
clientConfig.doPowerMetric
var chassisList []*redfish.Chassis
if isChassisListRequired {
@ -472,6 +627,16 @@ func (r *RedfishReceiver) readMetrics(clientConfig *RedfishReceiverClientConfig)
}
}
// Read sensors
if clientConfig.doSensors {
for _, chassis := range chassisList {
err := r.readSensors(clientConfig, chassis)
if err != nil {
return err
}
}
}
// read thermal metrics
if clientConfig.doThermalMetrics {
for _, chassis := range chassisList {
@ -636,6 +801,7 @@ func NewRedfishReceiver(name string, config json.RawMessage) (Receiver, error) {
// Globally disable collection of power, processor or thermal metrics
DisablePowerMetrics bool `json:"disable_power_metrics"`
DisableProcessorMetrics bool `json:"disable_processor_metrics"`
DisableSensors bool `json:"disable_sensors"`
DisableThermalMetrics bool `json:"disable_thermal_metrics"`
// Globally excluded metrics
@ -650,6 +816,7 @@ func NewRedfishReceiver(name string, config json.RawMessage) (Receiver, error) {
// Per client disable collection of power,processor or thermal metrics
DisablePowerMetrics bool `json:"disable_power_metrics"`
DisableProcessorMetrics bool `json:"disable_processor_metrics"`
DisableSensors bool `json:"disable_sensors"`
DisableThermalMetrics bool `json:"disable_thermal_metrics"`
// Per client excluded metrics
@ -766,6 +933,9 @@ func NewRedfishReceiver(name string, config json.RawMessage) (Receiver, error) {
doProcessorMetrics :=
!(configJSON.DisableProcessorMetrics ||
clientConfigJSON.DisableProcessorMetrics)
doSensors :=
!(configJSON.DisableSensors ||
clientConfigJSON.DisableSensors)
doThermalMetrics :=
!(configJSON.DisableThermalMetrics ||
clientConfigJSON.DisableThermalMetrics)
@ -798,8 +968,10 @@ func NewRedfishReceiver(name string, config json.RawMessage) (Receiver, error) {
isExcluded: isExcluded,
doPowerMetric: doPowerMetric,
doProcessorMetrics: doProcessorMetrics,
doSensors: doSensors,
doThermalMetrics: doThermalMetrics,
skipProcessorMetricsURL: make(map[string]bool),
readSensorURLs: map[string][]string{},
gofish: gofish.ClientConfig{
Username: username,
Password: password,

23
receivers/redfishReceiver.md
View File

@ -17,15 +17,17 @@ The Redfish receiver uses the [Redfish (specification)](https://www.dmtf.org/sta
"host_list": "n[1,2-4]"
},
{
"host_list": "n5"
"disable_power_metrics": true
"host_list": "n5",
"disable_power_metrics": true,
"disable_processor_metrics": true,
"disable_thermal_metrics": true
},
{
"host_list": "n6" ],
"username": "<Username 2>",
"password": "<Password 2>",
"endpoint": "https://%h-BMC",
"disable_thermal_metrics": true
"disable_sensor_metrics": true
}
]
}
@ -41,9 +43,18 @@ Global settings:
Global and per redfish device settings (per redfish device settings overwrite the global settings):
- `disable_power_metrics`: disable collection of power metrics
- `disable_processor_metrics`: disable collection of processor metrics
- `disable_thermal_metrics`: disable collection of thermal metrics
- `disable_power_metrics`:
disable collection of power metrics
(`/redfish/v1/Chassis/{ChassisId}/Power`)
- `disable_processor_metrics`:
disable collection of processor metrics
(`/redfish/v1/Systems/{ComputerSystemId}/Processors/{ProcessorId}/ProcessorMetrics`)
- `disable_sensors`:
disable collection of fan, power and thermal sensor metrics
(`/redfish/v1/Chassis/{ChassisId}/Sensors/{SensorId}`)
- `disable_thermal_metrics`:
disable collection of thermal metrics
(`/redfish/v1/Chassis/{ChassisId}/Thermal`)
- `exclude_metrics`: list of excluded metrics
- `username`: User name to authenticate with
- `password`: Password to use for authentication