mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-23 14:50:24 +00:00
40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
// Copyright 2018 The etcd Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package picker
|
|
|
|
import (
|
|
"context"
|
|
|
|
"google.golang.org/grpc/balancer"
|
|
)
|
|
|
|
// NewErr returns a picker that always returns err on "Pick".
|
|
func NewErr(err error) Picker {
|
|
return &errPicker{p: Error, err: err}
|
|
}
|
|
|
|
type errPicker struct {
|
|
p Policy
|
|
err error
|
|
}
|
|
|
|
func (ep *errPicker) String() string {
|
|
return ep.p.String()
|
|
}
|
|
|
|
func (ep *errPicker) Pick(context.Context, balancer.PickOptions) (balancer.SubConn, func(balancer.DoneInfo), error) {
|
|
return nil, nil, ep.err
|
|
}
|