b6a95a8cb3
* 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
113 lines
2.4 KiB
Go
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
|
|
}
|