1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
package graphdriver // import "github.com/docker/docker/daemon/graphdriver"
const (
// ErrNotSupported returned when driver is not supported.
ErrNotSupported NotSupportedError = "driver not supported"
// ErrPrerequisites returned when driver does not meet prerequisites.
ErrPrerequisites NotSupportedError = "prerequisites for driver not satisfied (wrong filesystem?)"
// ErrIncompatibleFS returned when file system is not supported.
ErrIncompatibleFS NotSupportedError = "backing file system is unsupported for this graph driver"
)
// ErrUnSupported signals that the graph-driver is not supported on the current configuration
type ErrUnSupported interface {
NotSupported()
}
// NotSupportedError signals that the graph-driver is not supported on the current configuration
type NotSupportedError string
func (e NotSupportedError) Error() string {
return string(e)
}
// NotSupported signals that a graph-driver is not supported.
func (e NotSupportedError) NotSupported() {}
// IsDriverNotSupported returns true if the error initializing
// the graph driver is a non-supported error.
func IsDriverNotSupported(err error) bool {
switch err.(type) {
case ErrUnSupported:
return true
default:
return false
}
}
|
