mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-07-04 08:06:53 +02:00
110 lines
2.2 KiB
Go
110 lines
2.2 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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"github.com/chrislusf/seaweedfs/weed/command"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/kardianos/osext"
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"github.com/jacobsa/daemonize"
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)
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var (
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fuseCommand = flag.NewFlagSet("weedfuse", flag.ContinueOnError)
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options = fuseCommand.String("o", "", "comma separated options rw,uid=xxx,gid=xxx")
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isForeground = fuseCommand.Bool("foreground", false, "starts as a daemon")
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)
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func main() {
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err := fuseCommand.Parse(os.Args[1:])
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if err != nil {
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glog.Fatal(err)
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}
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fmt.Printf("options: %v\n", *options)
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// seems this value is always empty, need to parse it differently
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optionsString := *options
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prev := ""
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for i, arg := range os.Args {
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fmt.Printf("args[%d]: %v\n", i, arg)
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if prev == "-o" {
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optionsString = arg
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}
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prev = arg
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}
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device := fuseCommand.Arg(0)
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mountPoint := fuseCommand.Arg(1)
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fmt.Printf("source: %v\n", device)
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fmt.Printf("target: %v\n", mountPoint)
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nouser := true
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for _, option := range strings.Split(optionsString, ",") {
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fmt.Printf("option: %v\n", option)
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switch option {
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case "user":
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nouser = false
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}
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}
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maybeSetupPath()
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if !*isForeground {
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startAsDaemon()
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return
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}
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parts := strings.SplitN(device, "/", 2)
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filer, filerPath := parts[0], parts[1]
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command.RunMount(
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filer, "/"+filerPath, mountPoint, "", "000", "",
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4, !nouser, 0, 1000000)
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}
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func maybeSetupPath() {
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// sudo mount -av may not include PATH in some linux, e.g., Ubuntu
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hasPathEnv := false
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for _, e := range os.Environ() {
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if strings.HasPrefix(e, "PATH=") {
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hasPathEnv = true
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}
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fmt.Println(e)
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}
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if !hasPathEnv {
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os.Setenv("PATH", "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin")
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}
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}
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func startAsDaemon() {
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// adapted from gcsfuse
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// Find the executable.
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var path string
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path, err := osext.Executable()
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if err != nil {
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glog.Fatalf("osext.Executable: %v", err)
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}
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// Set up arguments. Be sure to use foreground mode.
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args := append([]string{"-foreground"}, os.Args[1:]...)
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// Pass along PATH so that the daemon can find fusermount on Linux.
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env := []string{
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fmt.Sprintf("PATH=%s", os.Getenv("PATH")),
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}
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err = daemonize.Run(path, args, env, os.Stdout)
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if err != nil {
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glog.Fatalf("daemonize.Run: %v", err)
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}
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}
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