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scrutiny/collector/pkg/detect/devices_darwin.go

112 lines
3.2 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 devicess
detectedDevices, err := d.SmartctlScan()
if err != nil {
return nil, err
}
//smartctl --scan doesn't seem to detect mac nvme drives, lets see if we can detect them manually.
missingDevices, err := d.findMissingDevices(detectedDevices) //we dont care about the error here, just continue retrieving device info.
if err == nil {
detectedDevices = append(detectedDevices, missingDevices...)
}
//inflate device info for detected devices.
for ndx, _ := range detectedDevices {
d.SmartCtlInfo(&detectedDevices[ndx]) //ignore errors.
}
return detectedDevices, nil
}
func (d *Detect) findMissingDevices(detectedDevices []models.Device) ([]models.Device, error) {
missingDevices := []models.Device{}
block, err := ghw.Block()
if err != nil {
d.Logger.Errorf("Error getting block storage info: %v", err)
return nil, err
}
for _, disk := range block.Disks {
// ignore optical drives and floppy disks
if disk.DriveType == ghw.DRIVE_TYPE_FDD || disk.DriveType == ghw.DRIVE_TYPE_ODD {
d.Logger.Debugf(" => Ignore: Optical or floppy disk - (found %s)\n", disk.DriveType.String())
continue
}
// ignore removable disks
if disk.IsRemovable {
d.Logger.Debugf(" => Ignore: Removable disk (%v)\n", disk.IsRemovable)
continue
}
// ignore virtual disks & mobile phone storage devices
if disk.StorageController == ghw.STORAGE_CONTROLLER_VIRTIO || disk.StorageController == ghw.STORAGE_CONTROLLER_MMC {
d.Logger.Debugf(" => Ignore: Virtual/multi-media storage controller - (found %s)\n", disk.StorageController.String())
continue
}
// Skip unknown storage controllers, not usually S.M.A.R.T compatible.
if disk.StorageController == ghw.STORAGE_CONTROLLER_UNKNOWN {
d.Logger.Debugf(" => Ignore: Unknown storage controller - (found %s)\n", disk.StorageController.String())
continue
}
//check if device is already detected.
alreadyDetected := false
diskName := strings.TrimPrefix(disk.Name, DevicePrefix())
for _, detectedDevice := range detectedDevices {
if detectedDevice.DeviceName == diskName {
alreadyDetected = true
break
}
}
if !alreadyDetected {
missingDevices = append(missingDevices, models.Device{
DeviceName: diskName,
DeviceType: "",
})
}
}
return missingDevices, 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 {
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)
}