polardbxoperator/pkg/hpfs/discovery/discovery.go

43 lines
1004 B
Go

/*
Copyright 2021 Alibaba Group Holding Limited.
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 discovery
import (
"errors"
)
var ErrHostNotFound = errors.New("host not found")
func IsHostNotFound(err error) bool {
return err == ErrHostNotFound
}
type HostInfo struct {
NodeName string
HpfsHost string
HpfsPort uint32
SshPort uint32
FsPort uint32
}
type HostDiscovery interface {
IsLocal(name string) bool
GetHost(name string) (HostInfo, error)
GetHosts() (map[string]HostInfo, error)
Close()
}