forked from goodrain/rainbond
/
main.go
120 lines (108 loc) · 3.09 KB
/
main.go
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// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"fmt"
"io/ioutil"
"net/http"
"os"
"os/signal"
"sync"
"syscall"
"time"
"github.com/Sirupsen/logrus"
"github.com/pebbe/zmq4"
"github.com/spf13/pflag"
"github.com/tidwall/gjson"
"github.com/twinj/uuid"
)
const (
REQUEST_TIMEOUT = 1000 * time.Millisecond
MAX_RETRIES = 3 // Before we abandon
)
var endpoint string
var coreNum int
var t string
func AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&endpoint, "endpoint", "tcp://127.0.0.1:6363", "docker log server url")
fs.IntVar(&coreNum, "core", 1, "core number")
fs.StringVar(&t, "t", "1s", "时间间隔")
}
func main() {
AddFlags(pflag.CommandLine)
pflag.Parse()
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, os.Interrupt, syscall.SIGTERM)
re, _ := http.NewRequest("GET", "http://127.0.0.1:6363/docker-instance?service_id=asdasdadsasdasdassd", nil)
res, err := http.DefaultClient.Do(re)
if err != nil {
logrus.Error(err)
return
}
body, err := ioutil.ReadAll(res.Body)
if err != nil {
logrus.Error(err)
return
}
status := gjson.Get(string(body), "status")
host := gjson.Get(string(body), "host")
if status.String() == "success" {
endpoint = host.String()
} else {
logrus.Error("获取日志接收节点失败." + gjson.Get(string(body), "host").String())
return
}
var wait sync.WaitGroup
d, _ := time.ParseDuration(t)
for i := 0; i < coreNum; i++ {
wait.Add(1)
go func(en string) {
client, _ := zmq4.NewSocket(zmq4.PUB)
client.Monitor("inproc://monitor.rep", zmq4.EVENT_ALL)
go monitor()
client.Connect(en)
defer client.Close()
id := uuid.NewV4()
Continuous:
for {
request := fmt.Sprintf(`{"event_id":"%s","message":"hello word2","time":"%s"}`, id, time.Now().Format(time.RFC3339))
client.Send("servasd223123123123", zmq4.SNDMORE)
_, err := client.Send(request, zmq4.DONTWAIT)
if err != nil {
logrus.Error("Send Error:", err)
}
select {
case <-interrupt:
break Continuous
case <-time.Tick(d):
}
}
wait.Done()
}(endpoint)
}
wait.Wait()
}
func monitor() {
mo, _ := zmq4.NewSocket(zmq4.PAIR)
mo.Connect("inproc://monitor.rep")
for {
a, b, c, err := mo.RecvEvent(0)
if err != nil {
logrus.Error(err)
return
}
logrus.Infof("A:%s B:%s C:%d", a, b, c)
}
}