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path: root/weed/command/fuse.go
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Diffstat (limited to 'weed/command/fuse.go')
-rw-r--r--weed/command/fuse.go260
1 files changed, 0 insertions, 260 deletions
diff --git a/weed/command/fuse.go b/weed/command/fuse.go
index a5461a7f8..a3b7fb81e 100644
--- a/weed/command/fuse.go
+++ b/weed/command/fuse.go
@@ -1,269 +1,9 @@
package command
-import (
- "fmt"
- "math"
- "os"
- "os/signal"
- "strconv"
- "strings"
- "syscall"
- "time"
-)
-
func init() {
cmdFuse.Run = runFuse // break init cycle
}
-type parameter struct {
- name string
- value string
-}
-
-func runFuse(cmd *Command, args []string) bool {
- rawArgs := strings.Join(args, " ")
- rawArgsLen := len(rawArgs)
- option := strings.Builder{}
- options := []parameter{}
- masterProcess := true
- fusermountPath := ""
-
- // first parameter
- i := 0
- for i = 0; i < rawArgsLen && rawArgs[i] != ' '; i++ {
- option.WriteByte(rawArgs[i])
- }
- options = append(options, parameter{"arg0", option.String()})
- option.Reset()
-
- for i++; i < rawArgsLen; i++ {
-
- // space separator check for filled option
- if rawArgs[i] == ' ' {
- if option.Len() > 0 {
- options = append(options, parameter{option.String(), "true"})
- option.Reset()
- }
-
- // dash separator read option until next space
- } else if rawArgs[i] == '-' {
- for i++; i < rawArgsLen && rawArgs[i] != ' '; i++ {
- option.WriteByte(rawArgs[i])
- }
- // ignore "-o"
- if option.String() != "o" {
- options = append(options, parameter{option.String(), "true"})
- }
- option.Reset()
-
- // equal separator start option with pending value
- } else if rawArgs[i] == '=' {
- name := option.String()
- option.Reset()
-
- for i++; i < rawArgsLen && rawArgs[i] != ',' && rawArgs[i] != ' '; i++ {
- // double quote separator read option until next double quote
- if rawArgs[i] == '"' {
- for i++; i < rawArgsLen && rawArgs[i] != '"'; i++ {
- option.WriteByte(rawArgs[i])
- }
-
- // single quote separator read option until next single quote
- } else if rawArgs[i] == '\'' {
- for i++; i < rawArgsLen && rawArgs[i] != '\''; i++ {
- option.WriteByte(rawArgs[i])
- }
-
- // add chars before comma
- } else if rawArgs[i] != ' ' {
- option.WriteByte(rawArgs[i])
- }
- }
-
- options = append(options, parameter{name, option.String()})
- option.Reset()
-
- // comma separator just read current option
- } else if rawArgs[i] == ',' {
- options = append(options, parameter{option.String(), "true"})
- option.Reset()
-
- // what is not a separator fill option buffer
- } else {
- option.WriteByte(rawArgs[i])
- }
- }
-
- // get residual option data
- if option.Len() > 0 {
- // add value to pending option
- options = append(options, parameter{option.String(), "true"})
- option.Reset()
- }
-
- // scan each parameter
- for i := 0; i < len(options); i++ {
- parameter := options[i]
-
- switch parameter.name {
- case "child":
- masterProcess = false
- if parsed, err := strconv.ParseInt(parameter.value, 10, 64); err == nil {
- if parsed > math.MaxInt || parsed <= 0 {
- panic(fmt.Errorf("parent PID %d is invalid", parsed))
- }
- mountOptions.fuseCommandPid = int(parsed)
- } else {
- panic(fmt.Errorf("parent PID %s is invalid: %w", parameter.value, err))
- }
- case "arg0":
- mountOptions.dir = &parameter.value
- case "filer":
- mountOptions.filer = &parameter.value
- case "filer.path":
- mountOptions.filerMountRootPath = &parameter.value
- case "dirAutoCreate":
- if parsed, err := strconv.ParseBool(parameter.value); err == nil {
- mountOptions.dirAutoCreate = &parsed
- } else {
- panic(fmt.Errorf("dirAutoCreate: %s", err))
- }
- case "collection":
- mountOptions.collection = &parameter.value
- case "replication":
- mountOptions.replication = &parameter.value
- case "disk":
- mountOptions.diskType = &parameter.value
- case "ttl":
- if parsed, err := strconv.ParseInt(parameter.value, 0, 32); err == nil {
- intValue := int(parsed)
- mountOptions.ttlSec = &intValue
- } else {
- panic(fmt.Errorf("ttl: %s", err))
- }
- case "chunkSizeLimitMB":
- if parsed, err := strconv.ParseInt(parameter.value, 0, 32); err == nil {
- intValue := int(parsed)
- mountOptions.chunkSizeLimitMB = &intValue
- } else {
- panic(fmt.Errorf("chunkSizeLimitMB: %s", err))
- }
- case "concurrentWriters":
- i++
- if parsed, err := strconv.ParseInt(parameter.value, 0, 32); err == nil {
- intValue := int(parsed)
- mountOptions.concurrentWriters = &intValue
- } else {
- panic(fmt.Errorf("concurrentWriters: %s", err))
- }
- case "cacheDir":
- mountOptions.cacheDirForRead = &parameter.value
- case "cacheCapacityMB":
- if parsed, err := strconv.ParseInt(parameter.value, 0, 64); err == nil {
- mountOptions.cacheSizeMBForRead = &parsed
- } else {
- panic(fmt.Errorf("cacheCapacityMB: %s", err))
- }
- case "cacheDirWrite":
- mountOptions.cacheDirForWrite = &parameter.value
- case "dataCenter":
- mountOptions.dataCenter = &parameter.value
- case "allowOthers":
- if parsed, err := strconv.ParseBool(parameter.value); err == nil {
- mountOptions.allowOthers = &parsed
- } else {
- panic(fmt.Errorf("allowOthers: %s", err))
- }
- case "umask":
- mountOptions.umaskString = &parameter.value
- case "nonempty":
- if parsed, err := strconv.ParseBool(parameter.value); err == nil {
- mountOptions.nonempty = &parsed
- } else {
- panic(fmt.Errorf("nonempty: %s", err))
- }
- case "volumeServerAccess":
- mountOptions.volumeServerAccess = &parameter.value
- case "map.uid":
- mountOptions.uidMap = &parameter.value
- case "map.gid":
- mountOptions.gidMap = &parameter.value
- case "readOnly":
- if parsed, err := strconv.ParseBool(parameter.value); err == nil {
- mountOptions.readOnly = &parsed
- } else {
- panic(fmt.Errorf("readOnly: %s", err))
- }
- case "cpuprofile":
- mountCpuProfile = &parameter.value
- case "memprofile":
- mountMemProfile = &parameter.value
- case "readRetryTime":
- if parsed, err := time.ParseDuration(parameter.value); err == nil {
- mountReadRetryTime = &parsed
- } else {
- panic(fmt.Errorf("readRetryTime: %s", err))
- }
- case "fusermount.path":
- fusermountPath = parameter.value
- default:
- t := parameter.name
- if parameter.value != "true" {
- t = fmt.Sprintf("%s=%s", parameter.name, parameter.value)
- }
- mountOptions.extraOptions = append(mountOptions.extraOptions, t)
- }
- }
-
- // the master start the child, release it then finish himself
- if masterProcess {
- arg0, err := os.Executable()
- if err != nil {
- panic(err)
- }
-
- // pass our PID to the child process
- pid := os.Getpid()
- argv := append(os.Args, "-o", "child="+strconv.Itoa(pid))
-
- c := make(chan os.Signal, 1)
- signal.Notify(c, syscall.SIGTERM)
-
- attr := os.ProcAttr{}
- attr.Env = os.Environ()
-
- child, err := os.StartProcess(arg0, argv, &attr)
-
- if err != nil {
- panic(fmt.Errorf("master process can not start child process: %s", err))
- }
-
- err = child.Release()
-
- if err != nil {
- panic(fmt.Errorf("master process can not release child process: %s", err))
- }
-
- select {
- case <-c:
- return true
- }
- }
-
- if fusermountPath != "" {
- if err := os.Setenv("PATH", fusermountPath); err != nil {
- panic(fmt.Errorf("setenv: %s", err))
- }
- } else if os.Getenv("PATH") == "" {
- if err := os.Setenv("PATH", "/bin:/sbin:/usr/bin:/usr/sbin"); err != nil {
- panic(fmt.Errorf("setenv: %s", err))
- }
- }
-
- // just call "weed mount" command
- return runMount(cmdMount, []string{})
-}
-
var cmdFuse = &Command{
UsageLine: "fuse /mnt/mount/point -o \"filer=localhost:8888,filer.path=/\"",
Short: "Allow use weed with linux's mount command",