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Provide interface to categorize errors

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- Package types to define the interfaces libnetwork errors
  may implement, so that caller can categorize them.

Signed-off-by: Alessandro Boch <aboch@docker.com>
This commit is contained in:
Alessandro Boch
2015-05-20 22:29:29 -07:00
parent e2bdf92d6b
commit 50964c9948
27 changed files with 1025 additions and 347 deletions
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driverapi/driverapi.go
-21
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@@ -1,24 +1,11 @@
package driverapi
import (
"errors"
"fmt"
"net"
"github.com/docker/libnetwork/types"
)
var (
// ErrEndpointExists is returned if more than one endpoint is added to the network
ErrEndpointExists = errors.New("Endpoint already exists (Only one endpoint allowed)")
// ErrNoNetwork is returned if no network with the specified id exists
ErrNoNetwork = errors.New("No network exists")
// ErrNoEndpoint is returned if no endpoint with the specified id exists
ErrNoEndpoint = errors.New("No endpoint exists")
// ErrNotImplemented is returned when a Driver has not implemented an API yet
ErrNotImplemented = errors.New("The API is not implemented yet")
)
// NetworkPluginEndpointType represents the Endpoint Type used by Plugin system
const NetworkPluginEndpointType = "NetworkDriver"
@@ -124,14 +111,6 @@ type JoinInfo interface {
SetResolvConfPath(string) error
}
// 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))
}
// DriverCallback provides a Callback interface for Drivers into LibNetwork
type DriverCallback interface {
// RegisterDriver provides a way for Remote drivers to dynamically register new NetworkType and associate with a driver instance