7f0cf432e9
It was only used in a single location, and only a "convenience" type, not used to detect a specific error. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
68 lines
2 KiB
Go
68 lines
2 KiB
Go
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 {
|
|
if errdefs.IsNotFound(err) {
|
|
return true
|
|
}
|
|
var e notFound
|
|
return errors.As(err, &e)
|
|
}
|
|
|
|
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)
|
|
}
|
|
|
|
// 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
|
|
}
|