Add NVMe metrics

.gitignore

@@ -3,3 +3,5 @@ bin
 *.json
 
 Manifest
+.idea
+smartctl_exporter

Makefile

@@ -1,30 +1,24 @@
-GOPATH=$(shell pwd)/vendor:$(shell pwd)
-GOBIN=$(shell pwd)/bin
-GOFILES=$(wildcard *.go)
-GONAME=$(shell basename "$(PWD)")
-
 build: get
-	@echo "Building $(GOFILES) to ./bin"
+	@go build -v
-	@GOPATH=$(GOPATH) GOBIN=$(GOBIN) go build -v -o bin/$(GONAME) $(GOFILES)
 
 get:
-	@GOPATH=$(GOPATH) GOBIN=$(GOBIN) go get -v .
+	@go get -v
 
 install:
-	@GOPATH=$(GOPATH) GOBIN=$(GOBIN) go install $(GOFILES)
+	@go install
 
 run: build
-	@GOPATH=$(GOPATH) GOBIN=$(GOBIN) go run $(GOFILES) --config=$(shell pwd)/smartctl_exporter.yaml --debug --verbose
+	@go run . --config=$(shell pwd)/smartctl_exporter.yaml --debug --verbose
 
 run-sudo: build
-	sudo bin/$(GONAME) --config=$(shell pwd)/smartctl_exporter.yaml --debug --verbose
+	sudo ./smartctl_exporter --config=$(shell pwd)/smartctl_exporter.yaml --debug --verbose
 
 clear:
 	@clear
 
 clean:
 	@echo "Cleaning"
-	@GOPATH=$(GOPATH) GOBIN=$(GOBIN) go clean
+	@go clean
 
 example:
 	@echo "# Example output" > EXAMPLE.md

go.mod

@@ -0,0 +1,9 @@
+module github.com/tavyc/smartctl_exporter
+
+go 1.14
+
+require (
+	github.com/prometheus/client_golang v1.7.1
+	github.com/tidwall/gjson v1.6.0
+	gopkg.in/yaml.v2 v2.3.0
+)

go.sum

@@ -0,0 +1,118 @@
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metrics.go

@@ -140,6 +140,105 @@ var (
 		},
 		nil,
 	)
+	metricDevicePercentageUsed = prometheus.NewDesc(
+		"smartctl_device_percentage_used",
+		"Device write percentage used",
+		[]string{
+			"device",
+			"model_family",
+			"model_name",
+			"serial_number",
+		},
+		nil,
+	)
+	metricDeviceAvailableSpare = prometheus.NewDesc(
+		"smartctl_device_available_spare",
+		"Normalized percentage (0 to 100%) of the remaining spare capacity available",
+		[]string{
+			"device",
+			"model_family",
+			"model_name",
+			"serial_number",
+		},
+		nil,
+	)
+	metricDeviceAvailableSpareThreshold = prometheus.NewDesc(
+		"smartctl_device_available_spare_threshold",
+		"When the Available Spare falls below the threshold indicated in this field, an asynchronous event completion may occur. The value is indicated as a normalized percentage (0 to 100%)",
+		[]string{
+			"device",
+			"model_family",
+			"model_name",
+			"serial_number",
+		},
+		nil,
+	)
+	metricDeviceCriticalWarning = prometheus.NewDesc(
+		"smartctl_device_critical_warning",
+		"This field indicates critical warnings for the state of the controller",
+		[]string{
+			"device",
+			"model_family",
+			"model_name",
+			"serial_number",
+		},
+		nil,
+	)
+	metricDeviceMediaErrors = prometheus.NewDesc(
+		"smartctl_device_media_errors",
+		"Contains the number of occurrences where the controller detected an unrecovered data integrity error. Errors such as uncorrectable ECC, CRC checksum failure, or LBA tag mismatch are included in this field",
+		[]string{
+			"device",
+			"model_family",
+			"model_name",
+			"serial_number",
+		},
+		nil,
+	)
+	metricDeviceNumErrLogEntries = prometheus.NewDesc(
+		"smartctl_device_num_err_log_entries",
+		"Contains the number of Error Information log entries over the life of the controller",
+		[]string{
+			"device",
+			"model_family",
+			"model_name",
+			"serial_number",
+		},
+		nil,
+	)
+	metricDeviceDataUnitsRead = prometheus.NewDesc(
+		"smartctl_device_data_units_read",
+		"",
+		[]string{
+			"device",
+			"model_family",
+			"model_name",
+			"serial_number",
+		},
+		nil,
+	)
+	metricDeviceDataUnitsWritten = prometheus.NewDesc(
+		"smartctl_device_data_units_written",
+		"",
+		[]string{
+			"device",
+			"model_family",
+			"model_name",
+			"serial_number",
+		},
+		nil,
+	)
+	metricDeviceSmartStatus = prometheus.NewDesc(
+		"smartctl_device_smart_status",
+		"General smart status",
+		[]string{
+			"device",
+			"model_family",
+			"model_name",
+			"serial_number",
+		},
+		nil,
+	)
 	metricDeviceExitStatus = prometheus.NewDesc(
 		"smartctl_device_smartctl_exit_status",
 		"Exit status of smartctl on device",

smartctl.go

@@ -50,6 +50,16 @@ func (smart *SMARTctl) Collect() {
 	smart.mineTemperatures()
 	smart.minePowerCycleCount()
 	smart.mineDeviceStatistics()
+	smart.minePercentageUsed()
+	smart.mineAvailableSpare()
+	smart.mineAvailableSpareThreshold()
+	smart.mineCriticalWarning()
+	smart.mineMediaErrors()
+	smart.mineNumErrLogEntries()
+	smart.mineDataUnitsRead()
+	smart.mineDataUnitsWritten()
+	smart.mineSmartStatus()
+
 }
 
 func (smart *SMARTctl) mineExitStatus() {
@@ -230,6 +240,116 @@ func (smart *SMARTctl) minePowerCycleCount() {
 	)
 }
 
+func (smart *SMARTctl) minePercentageUsed() {
+	smart.ch <- prometheus.MustNewConstMetric(
+		metricDevicePercentageUsed,
+		prometheus.CounterValue,
+		smart.json.Get("nvme_smart_health_information_log.percentage_used").Float(),
+		smart.device.device,
+		smart.device.family,
+		smart.device.model,
+		smart.device.serial,
+	)
+}
+
+func (smart *SMARTctl) mineAvailableSpare() {
+	smart.ch <- prometheus.MustNewConstMetric(
+		metricDeviceAvailableSpare,
+		prometheus.CounterValue,
+		smart.json.Get("nvme_smart_health_information_log.available_spare").Float(),
+		smart.device.device,
+		smart.device.family,
+		smart.device.model,
+		smart.device.serial,
+	)
+}
+
+func (smart *SMARTctl) mineAvailableSpareThreshold() {
+	smart.ch <- prometheus.MustNewConstMetric(
+		metricDeviceAvailableSpareThreshold,
+		prometheus.CounterValue,
+		smart.json.Get("nvme_smart_health_information_log.available_spare_threshold").Float(),
+		smart.device.device,
+		smart.device.family,
+		smart.device.model,
+		smart.device.serial,
+	)
+}
+
+func (smart *SMARTctl) mineCriticalWarning() {
+	smart.ch <- prometheus.MustNewConstMetric(
+		metricDeviceCriticalWarning,
+		prometheus.CounterValue,
+		smart.json.Get("nvme_smart_health_information_log.critical_warning").Float(),
+		smart.device.device,
+		smart.device.family,
+		smart.device.model,
+		smart.device.serial,
+	)
+}
+
+func (smart *SMARTctl) mineMediaErrors() {
+	smart.ch <- prometheus.MustNewConstMetric(
+		metricDeviceMediaErrors,
+		prometheus.CounterValue,
+		smart.json.Get("nvme_smart_health_information_log.media_errors").Float(),
+		smart.device.device,
+		smart.device.family,
+		smart.device.model,
+		smart.device.serial,
+	)
+}
+
+func (smart *SMARTctl) mineNumErrLogEntries() {
+	smart.ch <- prometheus.MustNewConstMetric(
+		metricDeviceNumErrLogEntries,
+		prometheus.CounterValue,
+		smart.json.Get("nvme_smart_health_information_log.num_err_log_entries").Float(),
+		smart.device.device,
+		smart.device.family,
+		smart.device.model,
+		smart.device.serial,
+	)
+}
+
+func (smart *SMARTctl) mineDataUnitsRead() {
+	blockSize := smart.json.Get("logical_block_size").Float()
+	smart.ch <- prometheus.MustNewConstMetric(
+		metricDeviceDataUnitsRead,
+		prometheus.CounterValue,
+		smart.json.Get("nvme_smart_health_information_log.data_units_read").Float() * blockSize,
+		smart.device.device,
+		smart.device.family,
+		smart.device.model,
+		smart.device.serial,
+	)
+}
+
+func (smart *SMARTctl) mineDataUnitsWritten() {
+	blockSize := smart.json.Get("logical_block_size").Float()
+	smart.ch <- prometheus.MustNewConstMetric(
+		metricDeviceDataUnitsWritten,
+		prometheus.CounterValue,
+		smart.json.Get("nvme_smart_health_information_log.data_units_written").Float() * blockSize,
+		smart.device.device,
+		smart.device.family,
+		smart.device.model,
+		smart.device.serial,
+	)
+}
+
+func (smart *SMARTctl) mineSmartStatus() {
+	smart.ch <- prometheus.MustNewConstMetric(
+		metricDeviceSmartStatus,
+		prometheus.GaugeValue,
+		smart.json.Get("smart_status.passed").Float(),
+		smart.device.device,
+		smart.device.family,
+		smart.device.model,
+		smart.device.serial,
+	)
+}
+
 func (smart *SMARTctl) mineDeviceStatistics() {
 	for _, page := range smart.json.Get("ata_device_statistics.pages").Array() {
 		table := strings.TrimSpace(page.Get("name").String())

smartctl_exporter.yaml

@@ -1,13 +1,11 @@
 smartctl_exporter:
-  bind_to: "[::1]:9633"
+  bind_to: "0.0.0.0:9633"
   url_path: "/metrics"
   fake_json: no
   smartctl_location: /usr/sbin/smartctl
   collect_not_more_than_period: 20s
   devices:
-  - /dev/sda
+  - /dev/nvme0
-  - /dev/sdb
+  - /dev/nvme1
-  - /dev/sdc
+  - /dev/nvme2
-  - /dev/sdd
+  - /dev/nvme3
-  - /dev/sde
-  - /dev/sdf