Files
cloudpods/cmd/fetcherfs/main.go

92 lines
1.9 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"os"
"syscall"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"github.com/sevlyar/go-daemon"
"yunion.io/x/log"
"yunion.io/x/log/hooks"
"yunion.io/x/pkg/util/signalutils"
)
func main() {
if !opt.Foreground {
cntxt := &daemon.Context{
WorkDir: "./",
Umask: 027,
}
d, err := cntxt.Reborn()
if err != nil {
log.Fatalf("Unable to run: %s", err)
}
if d != nil {
return
}
defer cntxt.Release()
}
if opt.Debug {
logFileHook := hooks.LogFileRotateHook{
LogFileHook: hooks.LogFileHook{
FileDir: "/tmp",
FileName: "fetcherfs.log",
},
RotateNum: 10,
RotateSize: 4096,
}
logFileHook.Init()
defer logFileHook.DeInit()
log.Logger().AddHook(&logFileHook)
}
fetcherFs, err := initFetcherFs()
if err != nil {
log.Fatalln(err)
}
defer destoryInitFetcherFs()
c, err := fuse.Mount(
opt.MountPoint,
fuse.FSName("fetcherfs"),
fuse.Subtype("fetcher"),
// https://github.com/bazil/fuse/issues/175
// fuse.MaxReadahead(128*1024),
fuse.MaxReadahead(uint32(opt.Blocksize*1024*1024)),
)
if err != nil {
log.Fatalln(err)
}
defer c.Close()
err = fs.Serve(c, *fetcherFs)
if err != nil {
log.Errorf("serve failed %s", err)
}
}
func init() {
signalutils.RegisterSignal(func() {
destoryInitFetcherFs()
os.Exit(1)
}, syscall.SIGTERM, syscall.SIGINT)
signalutils.StartTrap()
}