func()

in gce-containers-startup/volumes/volumes.go [101:119]

• 19 lines of code
• 5 McCabe index (conditional complexity)

func (env Env) UnmountExistingVolumes() error {
	mounts, err := env.existingMounts()
	if err != nil {
		return fmt.Errorf("failed to list existing volumes: %v", err)
	}
	var buf bytes.Buffer
	for _, mnt := range mounts {
		if err := env.unmountDevice(mnt); err != nil {
			buf.WriteString(fmt.Sprintf("%v\n", err))
			continue
		}
		log.Printf("Unmounted %s", mnt.mountPoint)
	}
	if buf.Len() > 0 {
		msg := buf.String()
		return errors.New(msg[:len(msg)-1]) // remove trailing newline
	}
	return nil
}