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moby--moby/libnetwork/driverapi/errors.go
Alessandro Boch c70cfcb150 Provide interface to categorize errors
- Package types to define the interfaces libnetwork errors
  may implement, so that caller can categorize them.

Signed-off-by: Alessandro Boch <aboch@docker.com>
2015-05-20 22:29:29 -07:00

56 lines
1.6 KiB
Go

package driverapi
import (
"fmt"
)
// ErrNoNetwork is returned if no network with the specified id exists
type ErrNoNetwork string
func (enn ErrNoNetwork) Error() string {
return fmt.Sprintf("No network (%s) exists", string(enn))
}
// NotFound denotes the type of this error
func (enn ErrNoNetwork) NotFound() {}
// ErrEndpointExists is returned if more than one endpoint is added to the network
type ErrEndpointExists string
func (ee ErrEndpointExists) Error() string {
return fmt.Sprintf("Endpoint (%s) already exists (Only one endpoint allowed)", string(ee))
}
// Forbidden denotes the type of this error
func (ee ErrEndpointExists) Forbidden() {}
// ErrNotImplemented is returned when a Driver has not implemented an API yet
type ErrNotImplemented struct{}
func (eni *ErrNotImplemented) Error() string {
return "The API is not implemented yet"
}
// NotImplemented denotes the type of this error
func (eni *ErrNotImplemented) NotImplemented() {}
// ErrNoEndpoint is returned if no endpoint with the specified id exists
type ErrNoEndpoint string
func (ene ErrNoEndpoint) Error() string {
return fmt.Sprintf("No endpoint (%s) exists", string(ene))
}
// NotFound denotes the type of this error
func (ene ErrNoEndpoint) NotFound() {}
// ErrActiveRegistration represents an error when a driver is registered to a networkType that is previously registered
type ErrActiveRegistration string
// Error interface for ErrActiveRegistration
func (ar ErrActiveRegistration) Error() string {
return fmt.Sprintf("Driver already registered for type %q", string(ar))
}
// Forbidden denotes the type of this error
func (ar ErrActiveRegistration) Forbidden() {}