71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
// Copyright 2015 CoreOS, Inc.
|
|
//
|
|
// 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 migrate
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"fmt"
|
|
"os"
|
|
)
|
|
|
|
type StandbyInfo4 struct {
|
|
Running bool
|
|
Cluster []*MachineMessage
|
|
SyncInterval float64
|
|
}
|
|
|
|
// MachineMessage represents information about a peer or standby in the registry.
|
|
type MachineMessage struct {
|
|
Name string `json:"name"`
|
|
State string `json:"state"`
|
|
ClientURL string `json:"clientURL"`
|
|
PeerURL string `json:"peerURL"`
|
|
}
|
|
|
|
func (si *StandbyInfo4) ClientURLs() []string {
|
|
var urls []string
|
|
for _, m := range si.Cluster {
|
|
urls = append(urls, m.ClientURL)
|
|
}
|
|
return urls
|
|
}
|
|
|
|
func (si *StandbyInfo4) InitialCluster() string {
|
|
b := &bytes.Buffer{}
|
|
first := true
|
|
for _, m := range si.Cluster {
|
|
if !first {
|
|
fmt.Fprintf(b, ",")
|
|
}
|
|
first = false
|
|
fmt.Fprintf(b, "%s=%s", m.Name, m.PeerURL)
|
|
}
|
|
return b.String()
|
|
}
|
|
|
|
func DecodeStandbyInfo4FromFile(path string) (*StandbyInfo4, error) {
|
|
var info StandbyInfo4
|
|
file, err := os.OpenFile(path, os.O_RDONLY, 0600)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer file.Close()
|
|
if err = json.NewDecoder(file).Decode(&info); err != nil {
|
|
return nil, err
|
|
}
|
|
return &info, nil
|
|
}
|