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gitea/vendor/github.com/ngaut/go-zookeeper/zk/server_help.go
Thomas Boerger b6a95a8cb3 Integrate public as bindata optionally (#293)
* Dropped unused codekit config

* Integrated dynamic and static bindata for public

* Ignore public bindata

* Add a general generate make task

* Integrated flexible public assets into web command

* Updated vendoring, added all missiong govendor deps

* Made the linter happy with the bindata and dynamic code

* Moved public bindata definition to modules directory

* Ignoring the new bindata path now

* Updated to the new public modules import path

* Updated public bindata command and drop the new prefix
2016-11-30 00:26:36 +08:00

113 lines
2.4 KiB
Go

package zk
import (
"fmt"
"io/ioutil"
"math/rand"
"os"
"path/filepath"
"time"
)
type TestServer struct {
Port int
Path string
Srv *Server
}
type TestCluster struct {
Path string
Servers []TestServer
}
func StartTestCluster(size int) (*TestCluster, error) {
tmpPath, err := ioutil.TempDir("", "gozk")
if err != nil {
return nil, err
}
success := false
startPort := int(rand.Int31n(6000) + 10000)
cluster := &TestCluster{Path: tmpPath}
defer func() {
if !success {
cluster.Stop()
}
}()
for serverN := 0; serverN < size; serverN++ {
srvPath := filepath.Join(tmpPath, fmt.Sprintf("srv%d", serverN))
if err := os.Mkdir(srvPath, 0700); err != nil {
return nil, err
}
port := startPort + serverN*3
cfg := ServerConfig{
ClientPort: port,
DataDir: srvPath,
}
for i := 0; i < size; i++ {
cfg.Servers = append(cfg.Servers, ServerConfigServer{
ID: i + 1,
Host: "127.0.0.1",
PeerPort: startPort + i*3 + 1,
LeaderElectionPort: startPort + i*3 + 2,
})
}
cfgPath := filepath.Join(srvPath, "zoo.cfg")
fi, err := os.Create(cfgPath)
if err != nil {
return nil, err
}
err = cfg.Marshall(fi)
fi.Close()
if err != nil {
return nil, err
}
fi, err = os.Create(filepath.Join(srvPath, "myid"))
if err != nil {
return nil, err
}
_, err = fmt.Fprintf(fi, "%d\n", serverN+1)
fi.Close()
if err != nil {
return nil, err
}
srv := &Server{
ConfigPath: cfgPath,
}
if err := srv.Start(); err != nil {
fmt.Println(err)
return nil, err
}
cluster.Servers = append(cluster.Servers, TestServer{
Path: srvPath,
Port: cfg.ClientPort,
Srv: srv,
})
}
success = true
time.Sleep(time.Second) // Give the server time to become active. Should probably actually attempt to connect to verify.
return cluster, nil
}
func (ts *TestCluster) Connect(idx int) (*Conn, error) {
zk, _, err := Connect([]string{fmt.Sprintf("127.0.0.1:%d", ts.Servers[idx].Port)}, time.Second*15)
return zk, err
}
func (ts *TestCluster) ConnectAll() (*Conn, error) {
hosts := make([]string, len(ts.Servers))
for i, srv := range ts.Servers {
hosts[i] = fmt.Sprintf("127.0.0.1:%d", srv.Port)
}
zk, _, err := Connect(hosts, time.Second*15)
return zk, err
}
func (ts *TestCluster) Stop() error {
for _, srv := range ts.Servers {
srv.Srv.Stop()
}
defer os.RemoveAll(ts.Path)
return nil
}