mirror of
https://gitee.com/rainbond/Rainbond.git
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81 lines
2.4 KiB
Go
81 lines
2.4 KiB
Go
// Copyright (C) 2014-2018 Goodrain Co., Ltd.
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// RAINBOND, Application Management Platform
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version. For any non-GPL usage of Rainbond,
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// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
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// must be obtained first.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"github.com/Sirupsen/logrus"
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"github.com/goodrain/rainbond/cmd/monitor/option"
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"github.com/goodrain/rainbond/monitor"
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"github.com/goodrain/rainbond/monitor/api"
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"github.com/goodrain/rainbond/monitor/api/controller"
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"github.com/goodrain/rainbond/monitor/prometheus"
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"github.com/spf13/pflag"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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)
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func main() {
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c := option.NewConfig()
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c.AddFlag(pflag.CommandLine)
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c.AddPrometheusFlag(pflag.CommandLine)
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pflag.Parse()
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c.CompleteConfig()
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// start prometheus daemon and watching tis status in all time, exit monitor process if start failed
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a := prometheus.NewRulesManager(c)
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p := prometheus.NewManager(c, a)
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controllerManager := controller.NewControllerManager(a, p)
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errChan := make(chan error, 1)
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defer close(errChan)
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p.StartDaemon(errChan)
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defer p.StopDaemon()
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// register prometheus address to etcd cluster
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p.Registry.Start()
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defer p.Registry.Stop()
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// start watching components from etcd, and update modify to prometheus config
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m := monitor.NewMonitor(c, p)
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m.Start()
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defer m.Stop()
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r := api.APIServer(controllerManager)
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logrus.Info("monitor api listen port 3329")
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go http.ListenAndServe(":3329", r)
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//step finally: listen Signal
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term := make(chan os.Signal)
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defer close(term)
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signal.Notify(term, os.Interrupt, syscall.SIGTERM)
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select {
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case <-term:
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logrus.Warn("Received SIGTERM, exiting monitor gracefully...")
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case err := <-errChan:
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if err != nil {
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logrus.Errorf("Received a error %s from prometheus, exiting monitor gracefully...", err.Error())
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}
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}
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logrus.Info("See you next time!")
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}
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