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52791b1c14
- Update IsErrNotFound() to check for the current type before falling back to detecting the deprecated type. - Remove unauthorizedError and notImplementedError types, which were not used. - IsErrPluginPermissionDenied() was added in7c36a1af03, but not used at the time, and still appears to be unused. - Deprecate IsErrUnauthorized in favor of errdefs.IsUnauthorized() - Deprecate IsErrNotImplemented in favor of errdefs,IsNotImplemented() Signed-off-by: Sebastiaan van Stijn <github@gone.nl> (cherry picked from commitee230d8fdd) Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
93 lines
2.7 KiB
Go
93 lines
2.7 KiB
Go
package client // import "github.com/docker/docker/client"
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import (
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"fmt"
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"github.com/docker/docker/api/types/versions"
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"github.com/docker/docker/errdefs"
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"github.com/pkg/errors"
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)
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// errConnectionFailed implements an error returned when connection failed.
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type errConnectionFailed struct {
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host string
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}
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// Error returns a string representation of an errConnectionFailed
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func (err errConnectionFailed) Error() string {
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if err.host == "" {
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return "Cannot connect to the Docker daemon. Is the docker daemon running on this host?"
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}
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return fmt.Sprintf("Cannot connect to the Docker daemon at %s. Is the docker daemon running?", err.host)
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}
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// IsErrConnectionFailed returns true if the error is caused by connection failed.
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func IsErrConnectionFailed(err error) bool {
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return errors.As(err, &errConnectionFailed{})
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}
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// ErrorConnectionFailed returns an error with host in the error message when connection to docker daemon failed.
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func ErrorConnectionFailed(host string) error {
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return errConnectionFailed{host: host}
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}
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// Deprecated: use the errdefs.NotFound() interface instead. Kept for backward compatibility
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type notFound interface {
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error
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NotFound() bool
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}
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// IsErrNotFound returns true if the error is a NotFound error, which is returned
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// by the API when some object is not found.
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func IsErrNotFound(err error) bool {
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if errdefs.IsNotFound(err) {
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return true
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}
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var e notFound
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return errors.As(err, &e)
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}
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type objectNotFoundError struct {
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object string
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id string
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}
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func (e objectNotFoundError) NotFound() {}
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func (e objectNotFoundError) Error() string {
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return fmt.Sprintf("Error: No such %s: %s", e.object, e.id)
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}
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// IsErrUnauthorized returns true if the error is caused
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// when a remote registry authentication fails
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//
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// Deprecated: use errdefs.IsUnauthorized
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func IsErrUnauthorized(err error) bool {
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return errdefs.IsUnauthorized(err)
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}
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type pluginPermissionDenied struct {
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name string
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}
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func (e pluginPermissionDenied) Error() string {
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return "Permission denied while installing plugin " + e.name
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}
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// IsErrNotImplemented returns true if the error is a NotImplemented error.
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// This is returned by the API when a requested feature has not been
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// implemented.
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//
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// Deprecated: use errdefs.IsNotImplemented
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func IsErrNotImplemented(err error) bool {
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return errdefs.IsNotImplemented(err)
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}
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// NewVersionError returns an error if the APIVersion required
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// if less than the current supported version
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func (cli *Client) NewVersionError(APIrequired, feature string) error {
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if cli.version != "" && versions.LessThan(cli.version, APIrequired) {
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return fmt.Errorf("%q requires API version %s, but the Docker daemon API version is %s", feature, APIrequired, cli.version)
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}
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return nil
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}
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