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scrutiny/collector/pkg/detect/devices_linux.go

50 lines
1.3 KiB

package detect
import (
"github.com/analogj/scrutiny/collector/pkg/models"
"github.com/jaypipes/ghw"
"strings"
)
func DevicePrefix() string {
return "/dev/"
}
func (d *Detect) Start() ([]models.Device, error) {
// call the base/common functionality to get a list of devices
detectedDevices, err := d.SmartctlScan()
if err != nil {
return nil, err
}
//inflate device info for detected devices.
for ndx, _ := range detectedDevices {
d.SmartCtlInfo(&detectedDevices[ndx]) //ignore errors.
}
return detectedDevices, nil
}
//WWN values NVMe and SCSI
func (d *Detect) wwnFallback(detectedDevice *models.Device) {
block, err := ghw.Block()
if err == nil {
for _, disk := range block.Disks {
if disk.Name == detectedDevice.DeviceName && strings.ToLower(disk.WWN) != "unknown" {
d.Logger.Debugf("Found matching block device. WWN: %s", disk.WWN)
detectedDevice.WWN = disk.WWN
break
}
}
}
//no WWN found, or could not open Block devices. Either way, fallback to serial number
if len(detectedDevice.WWN) == 0 {
d.Logger.Debugf("WWN is empty, falling back to serial number: %s", detectedDevice.SerialNumber)
detectedDevice.WWN = detectedDevice.SerialNumber
}
//wwn must always be lowercase.
detectedDevice.WWN = strings.ToLower(detectedDevice.WWN)
}