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moby--moby/libnetwork/error.go
Alessandro Boch 1e91009978 Network and Endpoint query methods to return error on not found
- As requested by Docker committers

Signed-off-by: Alessandro Boch <aboch@docker.com>
2015-05-15 16:18:04 -07:00

98 lines
3.1 KiB
Go

package libnetwork
import (
"errors"
"fmt"
)
var (
// ErrNoSuchNetwork is returned when a network query finds no result
ErrNoSuchNetwork = errors.New("network not found")
// ErrNoSuchEndpoint is returned when a endpoint query finds no result
ErrNoSuchEndpoint = errors.New("endpoint not found")
// ErrNilNetworkDriver is returned if a nil network driver
// is passed to NewNetwork api.
ErrNilNetworkDriver = errors.New("nil NetworkDriver instance")
// ErrInvalidNetworkDriver is returned if an invalid driver
// instance is passed.
ErrInvalidNetworkDriver = errors.New("invalid driver bound to network")
// ErrInvalidJoin is returned if a join is attempted on an endpoint
// which already has a container joined.
ErrInvalidJoin = errors.New("a container has already joined the endpoint")
// ErrNoContainer is returned when the endpoint has no container
// attached to it.
ErrNoContainer = errors.New("no container attached to the endpoint")
// ErrInvalidID is returned when a query-by-id method is being invoked
// with an empty id parameter
ErrInvalidID = errors.New("invalid ID")
// ErrInvalidName is returned when a query-by-name or resource create method is
// invoked with an empty name parameter
ErrInvalidName = errors.New("invalid Name")
)
// NetworkTypeError type is returned when the network type string is not
// known to libnetwork.
type NetworkTypeError string
func (nt NetworkTypeError) Error() string {
return fmt.Sprintf("unknown driver %q", string(nt))
}
// NetworkNameError is returned when a network with the same name already exists.
type NetworkNameError string
func (name NetworkNameError) Error() string {
return fmt.Sprintf("network with name %s already exists", string(name))
}
// UnknownNetworkError is returned when libnetwork could not find in it's database
// a network with the same name and id.
type UnknownNetworkError struct {
name string
id string
}
func (une *UnknownNetworkError) Error() string {
return fmt.Sprintf("unknown network %s id %s", une.name, une.id)
}
// ActiveEndpointsError is returned when a network is deleted which has active
// endpoints in it.
type ActiveEndpointsError struct {
name string
id string
}
func (aee *ActiveEndpointsError) Error() string {
return fmt.Sprintf("network with name %s id %s has active endpoints", aee.name, aee.id)
}
// UnknownEndpointError is returned when libnetwork could not find in it's database
// an endpoint with the same name and id.
type UnknownEndpointError struct {
name string
id string
}
func (uee *UnknownEndpointError) Error() string {
return fmt.Sprintf("unknown endpoint %s id %s", uee.name, uee.id)
}
// ActiveContainerError is returned when an endpoint is deleted which has active
// containers attached to it.
type ActiveContainerError struct {
name string
id string
}
func (ace *ActiveContainerError) Error() string {
return fmt.Sprintf("endpoint with name %s id %s has active containers", ace.name, ace.id)
}
// InvalidContainerIDError is returned when an invalid container id is passed
// in Join/Leave
type InvalidContainerIDError string
func (id InvalidContainerIDError) Error() string {
return fmt.Sprintf("invalid container id %s", string(id))
}