Files
windows_exporter/pkg/collector/license/license.go
2024-07-23 13:02:25 +02:00

96 lines
2.1 KiB
Go

//go:build windows
package license
import (
"github.com/alecthomas/kingpin/v2"
"github.com/go-kit/log"
"github.com/go-kit/log/level"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus-community/windows_exporter/pkg/headers/slc"
"github.com/prometheus-community/windows_exporter/pkg/types"
)
const Name = "license"
var labelMap = map[slc.SL_GENUINE_STATE]string{
slc.SL_GEN_STATE_IS_GENUINE: "genuine",
slc.SL_GEN_STATE_INVALID_LICENSE: "invalid_license",
slc.SL_GEN_STATE_TAMPERED: "tampered",
slc.SL_GEN_STATE_OFFLINE: "offline",
slc.SL_GEN_STATE_LAST: "last",
}
type Config struct{}
var ConfigDefaults = Config{}
// A collector is a Prometheus collector for WMI Win32_PerfRawData_DNS_DNS metrics
type collector struct {
logger log.Logger
LicenseStatus *prometheus.Desc
}
func New(logger log.Logger, _ *Config) types.Collector {
c := &collector{}
c.SetLogger(logger)
return c
}
func NewWithFlags(_ *kingpin.Application) types.Collector {
return &collector{}
}
func (c *collector) GetName() string {
return Name
}
func (c *collector) SetLogger(logger log.Logger) {
c.logger = log.With(logger, "collector", Name)
}
func (c *collector) GetPerfCounter() ([]string, error) {
return []string{}, nil
}
func (c *collector) Build() error {
c.LicenseStatus = prometheus.NewDesc(
prometheus.BuildFQName(types.Namespace, Name, "status"),
"Status of windows license",
[]string{"state"},
nil,
)
return nil
}
// Collect sends the metric values for each metric
// to the provided prometheus Metric channel.
func (c *collector) Collect(_ *types.ScrapeContext, ch chan<- prometheus.Metric) error {
if err := c.collect(ch); err != nil {
_ = level.Error(c.logger).Log("msg", "failed collecting license metrics", "err", err)
return err
}
return nil
}
func (c *collector) collect(ch chan<- prometheus.Metric) error {
status, err := slc.SLIsWindowsGenuineLocal()
if err != nil {
return err
}
for k, v := range labelMap {
val := 0.0
if status == k {
val = 1.0
}
ch <- prometheus.MustNewConstMetric(c.LicenseStatus, prometheus.GaugeValue, val, v)
}
return nil
}