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executer.go
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executer.go
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package monitor
import (
"os"
"os/signal"
"strings"
"syscall"
clientv3 "go.etcd.io/etcd/client/v3"
"github.com/spf13/cobra"
"github.com/virtual-disk-array/vda/pkg/lib"
"github.com/virtual-disk-array/vda/pkg/logger"
)
type monitorArgsStruct struct {
etcdEndpoints string
dnHeartbeatConcurrency int
dnHeartbeatInterval int
dnSyncupConcurrency int
dnSyncupInterval int
cnHeartbeatConcurrency int
cnHeartbeatInterval int
cnSyncupConcurrency int
cnSyncupInterval int
}
var (
monitorCmd = &cobra.Command{
Use: "vda_monitor",
Short: "vda monitor",
Long: `vda monitor`,
Run: launchMonitor,
}
monitorArgs = monitorArgsStruct{}
)
func init() {
monitorCmd.PersistentFlags().StringVarP(
&monitorArgs.etcdEndpoints, "etcd-endpoints", "", "localhost:2379",
"etcd endpoint list")
monitorCmd.PersistentFlags().IntVarP(
&monitorArgs.dnHeartbeatConcurrency, "dn-heartbeat-concurrency", "", 100,
"dn heartbeat workers")
monitorCmd.PersistentFlags().IntVarP(
&monitorArgs.dnHeartbeatInterval, "dn-heartbeat-interval", "", 5,
"dn heartbeat interval in seconds")
monitorCmd.PersistentFlags().IntVarP(
&monitorArgs.dnSyncupConcurrency, "dn-syncup-concurrency", "", 100,
"dn syncup workers")
monitorCmd.PersistentFlags().IntVarP(
&monitorArgs.dnSyncupInterval, "dn-syncup-interval", "", 5,
"dn syncup interval in seconds")
monitorCmd.PersistentFlags().IntVarP(
&monitorArgs.cnHeartbeatConcurrency, "cn-heartbeat-concurrency", "", 100,
"cn heartbeat workers")
monitorCmd.PersistentFlags().IntVarP(
&monitorArgs.cnHeartbeatInterval, "cn-heartbeat-interval", "", 5,
"cn heartbeat interval in seconds")
monitorCmd.PersistentFlags().IntVarP(
&monitorArgs.cnSyncupConcurrency, "cn-syncup-concurrency", "", 100,
"cn syncup workers")
monitorCmd.PersistentFlags().IntVarP(
&monitorArgs.cnSyncupInterval, "cn-syncup-interval", "", 5,
"cn syncup intervoal in seconds")
}
func launchMonitor(cmd *cobra.Command, args []string) {
logger.Info("monitorArgs: %v", monitorArgs)
etcdEndpoints := strings.Split(monitorArgs.etcdEndpoints, ",")
etcdCli, err := clientv3.New(clientv3.Config{Endpoints: etcdEndpoints})
if err != nil {
logger.Fatal("Create etcd client err: %v", err)
}
defer etcdCli.Close()
kf := lib.NewKeyFmt(lib.DefaultEtcdPrefix)
coord := newCoordinator(etcdCli, kf)
logger.Info("coord: %v", coord)
total, current := coord.getTotalAndCurrent()
logger.Info("total=%d current=%d", total, current)
gc := lib.NewGrpcCache(lib.GrpcCacheTTL, lib.GrpcCacheStep, lib.GrpcCacheInterval)
managerList := make([]*manager, 0)
if monitorArgs.dnHeartbeatConcurrency > 0 && monitorArgs.dnHeartbeatInterval > 0 {
dhw := newDnHeartbeatWorker(etcdCli, kf, gc, 10, 10, 5)
man := newManager(coord, dhw, etcdCli,
monitorArgs.dnHeartbeatConcurrency, monitorArgs.dnHeartbeatInterval)
man.run()
managerList = append(managerList, man)
} else {
logger.Info("Skip DnHeartbeat")
}
if monitorArgs.dnSyncupConcurrency > 0 && monitorArgs.dnSyncupInterval > 0 {
dsw := newDnSyncupWorker(etcdCli, kf, gc, 5)
man := newManager(coord, dsw, etcdCli,
monitorArgs.dnHeartbeatConcurrency, monitorArgs.dnHeartbeatInterval)
man.run()
managerList = append(managerList, man)
} else {
logger.Info("Skip DnSyncup")
}
if monitorArgs.cnHeartbeatConcurrency > 0 && monitorArgs.cnHeartbeatInterval > 0 {
chw := newCnHeartbeatWorker(etcdCli, kf, gc, 10, 10, 5)
man := newManager(coord, chw, etcdCli,
monitorArgs.cnHeartbeatConcurrency, monitorArgs.cnHeartbeatInterval)
man.run()
managerList = append(managerList, man)
} else {
logger.Info("Skip CnHeartbeat")
}
if monitorArgs.cnSyncupConcurrency > 0 && monitorArgs.cnSyncupInterval > 0 {
csw := newCnSyncupWorker(etcdCli, kf, gc, 5)
man := newManager(coord, csw, etcdCli,
monitorArgs.cnHeartbeatConcurrency, monitorArgs.cnHeartbeatInterval)
man.run()
managerList = append(managerList, man)
} else {
logger.Info("Skip CnSyncup")
}
c := make(chan os.Signal)
signal.Notify(c, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT,
syscall.SIGUSR1, syscall.SIGUSR2)
select {
case s := <-c:
logger.Info("Receive signal: %v", s)
for _, man := range managerList {
man.close()
}
coord.close()
gc.Close()
}
logger.Info("Monitor stop")
}
func Execute() {
if err := monitorCmd.Execute(); err != nil {
logger.Fatal("Cmd execute err: %v", err)
}
}