zoorest/rest/zoo.go

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package rest
import (
"github.com/samuel/go-zookeeper/zk"
"log"
"strings"
"time"
)
//ZooNode zookeeper node
type ZooNode struct {
Path string
Conn *zk.Conn
Zoo Zk
}
//Zk Zookeeper connection settings
type Zk struct {
Hosts []string
Path string
Tick int
}
//InitConnection Initialize Zookeeper connection
func (conf Zk) InitConnection() (*zk.Conn, error) {
conn, _, err := zk.Connect(conf.Hosts, time.Second)
if err != nil {
log.Panic("[ERROR] ", err)
}
return conn, err
}
// GetChildrens ...
func (z ZooNode) GetChildrens(path string) Ls {
var lsPath string
lsPath = strings.Join([]string{z.Path, path}, "")
if path == "/" {
lsPath = z.Path
}
if strings.Contains(lsPath, "//") {
lsPath = strings.Replace(lsPath, "//", "/", 1)
}
log.Print("ls: ", lsPath)
var l Ls
l.State = "OK"
childrens, _, err := z.Conn.Children(lsPath)
if err != nil {
l.State = "ERROR"
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l.Error = err.Error()
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return l
}
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l.Error = ""
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l.Childrens = childrens
l.Path = lsPath
return l
}
// GetNode ...
func (z ZooNode) GetNode(path string) Get {
var getPath string
getPath = strings.Join([]string{z.Path, path}, "")
if path == "/" {
getPath = z.Path
}
if strings.Contains(getPath, "//") {
getPath = strings.Replace(getPath, "//", "/", 1)
}
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log.Print("get: ", getPath)
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var g Get
g.State = "OK"
data, _, err := z.Conn.Get(getPath)
if err != nil {
g.State = "ERROR"
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g.Error = err.Error()
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return g
}
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g.Error = ""
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g.Data = data
g.Path = getPath
return g
}