seaweedfs/weed/command/gateway.go
2021-04-10 23:48:18 -07:00

94 lines
2.4 KiB
Go

package command
import (
"net/http"
"strconv"
"strings"
"time"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/server"
"github.com/chrislusf/seaweedfs/weed/util"
)
var (
gatewayOptions GatewayOptions
)
type GatewayOptions struct {
masters *string
filers *string
bindIp *string
port *int
maxMB *int
}
func init() {
cmdGateway.Run = runGateway // break init cycle
gatewayOptions.masters = cmdGateway.Flag.String("master", "localhost:9333", "comma-separated master servers")
gatewayOptions.filers = cmdGateway.Flag.String("filer", "localhost:8888", "comma-separated filer servers")
gatewayOptions.bindIp = cmdGateway.Flag.String("ip.bind", "localhost", "ip address to bind to")
gatewayOptions.port = cmdGateway.Flag.Int("port", 5647, "gateway http listen port")
gatewayOptions.maxMB = cmdGateway.Flag.Int("maxMB", 4, "split files larger than the limit")
}
var cmdGateway = &Command{
UsageLine: "gateway -port=8888 -master=<ip:port>[,<ip:port>]* -filer=<ip:port>[,<ip:port>]*",
Short: "start a gateway server that points to a list of master servers or a list of filers",
Long: `start a gateway server which accepts REST operation to write any blobs, files, or topic messages.
POST /blobs/
return a chunk id
DELETE /blobs/<chunk_id>
delete a chunk id
/*
POST /files/path/to/a/file
save /path/to/a/file on filer
DELETE /files/path/to/a/file
delete /path/to/a/file on filer
POST /topics/topicName
save on filer to /topics/topicName/<ds>/ts.json
*/
`,
}
func runGateway(cmd *Command, args []string) bool {
util.LoadConfiguration("security", false)
gatewayOptions.startGateway()
return true
}
func (gw *GatewayOptions) startGateway() {
defaultMux := http.NewServeMux()
_, gws_err := weed_server.NewGatewayServer(defaultMux, &weed_server.GatewayOption{
Masters: strings.Split(*gw.masters, ","),
Filers: strings.Split(*gw.filers, ","),
MaxMB: *gw.maxMB,
})
if gws_err != nil {
glog.Fatalf("Gateway startup error: %v", gws_err)
}
glog.V(0).Infof("Start Seaweed Gateway %s at %s:%d", util.Version(), *gw.bindIp, *gw.port)
gatewayListener, e := util.NewListener(
*gw.bindIp+":"+strconv.Itoa(*gw.port),
time.Duration(10)*time.Second,
)
if e != nil {
glog.Fatalf("Filer listener error: %v", e)
}
httpS := &http.Server{Handler: defaultMux}
if err := httpS.Serve(gatewayListener); err != nil {
glog.Fatalf("Gateway Fail to serve: %v", e)
}
}