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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
package client // import "github.com/docker/docker/client"
import (
"fmt"
"github.com/docker/docker/api/types/versions"
"github.com/docker/docker/errdefs"
"github.com/pkg/errors"
)
// errConnectionFailed implements an error returned when connection failed.
type errConnectionFailed struct {
host string
}
// Error returns a string representation of an errConnectionFailed
func (err errConnectionFailed) Error() string {
if err.host == "" {
return "Cannot connect to the Docker daemon. Is the docker daemon running on this host?"
}
return fmt.Sprintf("Cannot connect to the Docker daemon at %s. Is the docker daemon running?", err.host)
}
// IsErrConnectionFailed returns true if the error is caused by connection failed.
func IsErrConnectionFailed(err error) bool {
return errors.As(err, &errConnectionFailed{})
}
// ErrorConnectionFailed returns an error with host in the error message when connection to docker daemon failed.
func ErrorConnectionFailed(host string) error {
return errConnectionFailed{host: host}
}
// Deprecated: use the errdefs.NotFound() interface instead. Kept for backward compatibility
type notFound interface {
error
NotFound() bool
}
// IsErrNotFound returns true if the error is a NotFound error, which is returned
// by the API when some object is not found.
func IsErrNotFound(err error) bool {
var e notFound
if errors.As(err, &e) {
return true
}
return errdefs.IsNotFound(err)
}
type objectNotFoundError struct {
object string
id string
}
func (e objectNotFoundError) NotFound() {}
func (e objectNotFoundError) Error() string {
return fmt.Sprintf("Error: No such %s: %s", e.object, e.id)
}
// unauthorizedError represents an authorization error in a remote registry.
type unauthorizedError struct {
cause error
}
// Error returns a string representation of an unauthorizedError
func (u unauthorizedError) Error() string {
return u.cause.Error()
}
// IsErrUnauthorized returns true if the error is caused
// when a remote registry authentication fails
func IsErrUnauthorized(err error) bool {
if _, ok := err.(unauthorizedError); ok {
return ok
}
return errdefs.IsUnauthorized(err)
}
type pluginPermissionDenied struct {
name string
}
func (e pluginPermissionDenied) Error() string {
return "Permission denied while installing plugin " + e.name
}
// IsErrPluginPermissionDenied returns true if the error is caused
// when a user denies a plugin's permissions
func IsErrPluginPermissionDenied(err error) bool {
_, ok := err.(pluginPermissionDenied)
return ok
}
type notImplementedError struct {
message string
}
func (e notImplementedError) Error() string {
return e.message
}
func (e notImplementedError) NotImplemented() bool {
return true
}
// IsErrNotImplemented returns true if the error is a NotImplemented error.
// This is returned by the API when a requested feature has not been
// implemented.
func IsErrNotImplemented(err error) bool {
if _, ok := err.(notImplementedError); ok {
return ok
}
return errdefs.IsNotImplemented(err)
}
// NewVersionError returns an error if the APIVersion required
// if less than the current supported version
func (cli *Client) NewVersionError(APIrequired, feature string) error {
if cli.version != "" && versions.LessThan(cli.version, APIrequired) {
return fmt.Errorf("%q requires API version %s, but the Docker daemon API version is %s", feature, APIrequired, cli.version)
}
return nil
}
|
