/
firmware.go
58 lines (47 loc) · 1.13 KB
/
firmware.go
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package supermicro
import (
"bytes"
"io"
"os"
)
// UpdateBIOS updates given BIOS
func (s *sum) UpdateBIOS(reader io.Reader) error {
return s.updateFirmware(reader, "UpdateBios", "--reboot", "--preserve_setting")
}
// UpdateBMC updates given BMC
func (s *sum) UpdateBMC(reader io.Reader) error {
return s.updateFirmware(reader, "UpdateBmc")
}
// updateFirmware updates given firmware
func (s *sum) updateFirmware(reader io.Reader, command string, additionalArgs ...string) error {
firmwareUpdate, err := writeFirmwareUpdate(reader)
if err != nil {
return err
}
defer func() {
_ = os.Remove(firmwareUpdate)
}()
args := []string{"-c", command, "--file", firmwareUpdate}
args = append(args, additionalArgs...)
return s.execute(args...)
}
func writeFirmwareUpdate(reader io.Reader) (string, error) {
buf := new(bytes.Buffer)
_, err := buf.ReadFrom(reader)
if err != nil {
return "", err
}
tmp, err := os.CreateTemp(".", "firmware.update-")
if err != nil {
return "", err
}
_, err = tmp.Write(buf.Bytes())
if err != nil {
return "", err
}
err = tmp.Close()
if err != nil {
return "", err
}
return tmp.Name(), nil
}