smartctl_exporter/smartctlinfo.go

52 lines
1.2 KiB
Go
Raw Normal View History

package main
import (
"fmt"
"github.com/prometheus/client_golang/prometheus"
"github.com/tidwall/gjson"
)
// SMARTctlInfo object
type SMARTctlInfo struct {
ch chan<- prometheus.Metric
json gjson.Result
Ready bool
}
// NewSMARTctlInfo is smartctl constructor
func NewSMARTctlInfo(ch chan<- prometheus.Metric) SMARTctlInfo {
smart := SMARTctlInfo{}
smart.ch = ch
smart.Ready = false
return smart
}
// SetJSON metrics
func (smart *SMARTctlInfo) SetJSON(json gjson.Result) {
if !smart.Ready {
smart.json = json
smart.Ready = true
}
}
// Collect metrics
func (smart *SMARTctlInfo) Collect() {
smart.mineVersion()
}
func (smart *SMARTctlInfo) mineVersion() {
smartctlJSON := smart.json.Get("smartctl")
smartctlVersion := smartctlJSON.Get("version").Array()
jsonVersion := smart.json.Get("json_format_version").Array()
smart.ch <- prometheus.MustNewConstMetric(
metricSmartctlVersion,
prometheus.GaugeValue,
1,
fmt.Sprintf("%d.%d", jsonVersion[0].Int(), jsonVersion[1].Int()),
fmt.Sprintf("%d.%d", smartctlVersion[0].Int(), smartctlVersion[1].Int()),
smartctlJSON.Get("svn_revision").String(),
smartctlJSON.Get("build_info").String(),
)
}