seaweedfs/weed/command/iam.go
chrislu 9f9ef1340c use streaming mode for long poll grpc calls
streaming mode would create separate grpc connections for each call.
this is to ensure the long poll connections are properly closed.
2021-12-26 00:15:03 -08:00

96 lines
3.0 KiB
Go

package command
import (
"context"
"fmt"
"net/http"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/iamapi"
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/gorilla/mux"
"time"
)
var (
iamStandaloneOptions IamOptions
)
type IamOptions struct {
filer *string
masters *string
port *int
}
func init() {
cmdIam.Run = runIam // break init cycle
iamStandaloneOptions.filer = cmdIam.Flag.String("filer", "localhost:8888", "filer server address")
iamStandaloneOptions.masters = cmdIam.Flag.String("master", "localhost:9333", "comma-separated master servers")
iamStandaloneOptions.port = cmdIam.Flag.Int("port", 8111, "iam server http listen port")
}
var cmdIam = &Command{
UsageLine: "iam [-port=8111] [-filer=<ip:port>] [-masters=<ip:port>,<ip:port>]",
Short: "start a iam API compatible server",
Long: "start a iam API compatible server.",
}
func runIam(cmd *Command, args []string) bool {
return iamStandaloneOptions.startIamServer()
}
func (iamopt *IamOptions) startIamServer() bool {
filerAddress := pb.ServerAddress(*iamopt.filer)
util.LoadConfiguration("security", false)
grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
for {
err := pb.WithGrpcFilerClient(false, filerAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
if err != nil {
return fmt.Errorf("get filer %s configuration: %v", filerAddress, err)
}
glog.V(0).Infof("IAM read filer configuration: %s", resp)
return nil
})
if err != nil {
glog.V(0).Infof("wait to connect to filer %s grpc address %s", *iamopt.filer, filerAddress.ToGrpcAddress())
time.Sleep(time.Second)
} else {
glog.V(0).Infof("connected to filer %s grpc address %s", *iamopt.filer, filerAddress.ToGrpcAddress())
break
}
}
masters := pb.ServerAddresses(*iamopt.masters).ToAddresses()
router := mux.NewRouter().SkipClean(true)
_, iamApiServer_err := iamapi.NewIamApiServer(router, &iamapi.IamServerOption{
Masters: masters,
Filer: filerAddress,
Port: *iamopt.port,
GrpcDialOption: grpcDialOption,
})
glog.V(0).Info("NewIamApiServer created")
if iamApiServer_err != nil {
glog.Fatalf("IAM API Server startup error: %v", iamApiServer_err)
}
httpS := &http.Server{Handler: router}
listenAddress := fmt.Sprintf(":%d", *iamopt.port)
iamApiListener, err := util.NewListener(listenAddress, time.Duration(10)*time.Second)
if err != nil {
glog.Fatalf("IAM API Server listener on %s error: %v", listenAddress, err)
}
glog.V(0).Infof("Start Seaweed IAM API Server %s at http port %d", util.Version(), *iamopt.port)
if err = httpS.Serve(iamApiListener); err != nil {
glog.Fatalf("IAM API Server Fail to serve: %v", err)
}
return true
}