lnd.xprv/healthcheck/diskcheck.go

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// +build !windows,!solaris,!netbsd,!openbsd
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package healthcheck
import "syscall"
// AvailableDiskSpaceRatio returns ratio of available disk space to total
// capacity.
func AvailableDiskSpaceRatio(path string) (float64, error) {
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s := syscall.Statfs_t{}
err := syscall.Statfs(path, &s)
if err != nil {
return 0, err
}
// Calculate our free blocks/total blocks to get our total ratio of
// free blocks.
return float64(s.Bfree) / float64(s.Blocks), nil
}
// AvailableDiskSpace returns the available disk space in bytes of the given
// file system.
func AvailableDiskSpace(path string) (uint64, error) {
s := syscall.Statfs_t{}
err := syscall.Statfs(path, &s)
if err != nil {
return 0, err
}
// Some OSes have s.Bavail defined as int64, others as uint64, so we
// need the explicit type conversion here.
return uint64(s.Bavail) * uint64(s.Bsize), nil // nolint:unconvert
}