open-nomad/helper/mount/mount_linux.go

34 lines
950 B
Go

//go:build linux
// +build linux
package mount
import (
"github.com/moby/sys/mount"
"github.com/moby/sys/mountinfo"
)
// mounter provides the default implementation of mount.Mounter
// for the linux platform.
// Currently it delegates to the docker `mount` package.
type mounter struct {
}
// New returns a Mounter for the current system.
func New() Mounter {
return &mounter{}
}
// IsNotAMountPoint determines if a directory is not a mountpoint.
// It does this by checking the path against the contents of /proc/self/mountinfo
func (m *mounter) IsNotAMountPoint(path string) (bool, error) {
isMount, err := mountinfo.Mounted(path)
return !isMount, err
}
func (m *mounter) Mount(device, target, mountType, options string) error {
// Defer to the docker implementation of `Mount`, it's correct enough for our
// usecase and avoids us needing to shell out to the `mount` utility.
return mount.Mount(device, target, mountType, options)
}