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fix: grace shutdown for api server (#1439)

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* fix: add grace shutdown for api server

Signed-off-by: rfyiamcool <rfyiamcool@163.com>

* fix: add grace shutdown for api server

Signed-off-by: rfyiamcool <rfyiamcool@163.com>

---------

Signed-off-by: rfyiamcool <rfyiamcool@163.com>
This commit is contained in:
fengyun.rui 2023-11-26 20:25:37 +08:00 committed by GitHub
parent e4046994cf
commit 3cecbbc69a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 30 additions and 13 deletions
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43
cmd/openim-api/main.go
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@ -18,11 +18,13 @@ import (
"context"
"fmt"
"net"
"net/http"
_ "net/http/pprof"
"os"
"os/signal"
"strconv"
ginProm "github.com/openimsdk/open-im-server/v3/pkg/common/ginprometheus"
"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
"syscall"
"time"
"github.com/OpenIMSDK/protocol/constant"
"github.com/OpenIMSDK/tools/discoveryregistry"
@ -33,6 +35,8 @@ import (
"github.com/openimsdk/open-im-server/v3/pkg/common/config"
"github.com/openimsdk/open-im-server/v3/pkg/common/db/cache"
kdisc "github.com/openimsdk/open-im-server/v3/pkg/common/discoveryregister"
ginProm "github.com/openimsdk/open-im-server/v3/pkg/common/ginprometheus"
"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
)
func main() {
@ -51,13 +55,12 @@ func run(port int, proPort int) error {
if port == 0 || proPort == 0 {
err := "port or proPort is empty:" + strconv.Itoa(port) + "," + strconv.Itoa(proPort)
log.ZError(context.Background(), err, nil)
return fmt.Errorf(err)
}
rdb, err := cache.NewRedis()
if err != nil {
log.ZError(context.Background(), "Failed to initialize Redis", err)
return err
}
log.ZInfo(context.Background(), "api start init discov client")
@ -68,30 +71,29 @@ func run(port int, proPort int) error {
client, err = kdisc.NewDiscoveryRegister(config.Config.Envs.Discovery)
if err != nil {
log.ZError(context.Background(), "Failed to initialize discovery register", err)
return err
}
if err = client.CreateRpcRootNodes(config.Config.GetServiceNames()); err != nil {
log.ZError(context.Background(), "Failed to create RPC root nodes", err)
return err
}
log.ZInfo(context.Background(), "api register public config to discov")
if err = client.RegisterConf2Registry(constant.OpenIMCommonConfigKey, config.Config.EncodeConfig()); err != nil {
log.ZError(context.Background(), "Failed to register public config to discov", err)
return err
}
log.ZInfo(context.Background(), "api register public config to discov success")
router := api.NewGinRouter(client, rdb)
//////////////////////////////
if config.Config.Prometheus.Enable {
p := ginProm.NewPrometheus("app", prommetrics.GetGinCusMetrics("Api"))
p.SetListenAddress(fmt.Sprintf(":%d", proPort))
p.Use(router)
}
/////////////////////////////////
log.ZInfo(context.Background(), "api init router success")
var address string
if config.Config.Api.ListenIP != "" {
address = net.JoinHostPort(config.Config.Api.ListenIP, strconv.Itoa(port))
@ -100,10 +102,25 @@ func run(port int, proPort int) error {
}
log.ZInfo(context.Background(), "start api server", "address", address, "OpenIM version", config.Version)
err = router.Run(address)
if err != nil {
log.ZError(context.Background(), "api run failed", err, "address", address)
server := http.Server{Addr: address, Handler: router}
go func() {
err = server.ListenAndServe()
if err != nil && err != http.ErrServerClosed {
log.ZError(context.Background(), "api run failed", err, "address", address)
os.Exit(1)
}
}()
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
<-sigs
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel()
// graceful shutdown operation.
if err := server.Shutdown(ctx); err != nil {
log.ZError(context.Background(), "failed to api-server shutdown", err)
return err
}