// waitOnDevices waits for the devices enumerated in devs as a logged operation
// using ctxt for the logging and systemd unit identity.
func (s stage) waitOnDevices(devs []string, ctxt string) error {
if err := s.LogOp(
func() error { return systemd.WaitOnDevices(devs, ctxt) },
"waiting for devices %v", devs,
); err != nil {
return fmt.Errorf("failed to wait on %s devs: %v", ctxt, err)
}
return nil
}
// mountOEM waits for the presence of and mounts the oem partition @ oemMountPath.
func (p *provider) mountOEM() error {
dev := []string{oemDevicePath}
if err := systemd.WaitOnDevices(dev, "oem-cmdline"); err != nil {
p.logger.Err("failed to wait for oem device: %v", err)
return err
}
if err := os.MkdirAll(oemMountPath, 0700); err != nil {
p.logger.Err("failed to create oem mount point: %v", err)
return err
}
if err := p.logger.LogOp(
func() error {
return syscall.Mount(dev[0], oemMountPath, "ext4", 0, "")
},
"mounting %q at %q", oemDevicePath, oemMountPath,
); err != nil {
return fmt.Errorf("failed to mount device %q at %q: %v",
oemDevicePath, oemMountPath, err)
}
return nil
}