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add support for multiple folders and multiple max limit: eg

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-dir=folder1,folder2,folder3 -max=7,8,9
This commit is contained in:
Chris Lu
2013-07-13 11:38:01 -07:00
parent 175456870a
commit d4105f9b46
2 changed files with 139 additions and 75 deletions
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54
go/weed/volume.go
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@@ -29,17 +29,17 @@ var cmdVolume = &Command{
}
var (
vport = cmdVolume.Flag.Int("port", 8080, "http listen port")
volumeFolder = cmdVolume.Flag.String("dir", "/tmp", "directory to store data files")
ip = cmdVolume.Flag.String("ip", "localhost", "ip or server name")
publicUrl = cmdVolume.Flag.String("publicUrl", "", "Publicly accessible <ip|server_name>:<port>")
masterNode = cmdVolume.Flag.String("mserver", "localhost:9333", "master server location")
vpulse = cmdVolume.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats, must be smaller than the master's setting")
maxVolumeCount = cmdVolume.Flag.Int("max", 7, "maximum number of volumes")
vReadTimeout = cmdVolume.Flag.Int("readTimeout", 3, "connection read timeout in seconds")
vMaxCpu = cmdVolume.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
dataCenter = cmdVolume.Flag.String("dataCenter", "", "current volume server's data center name")
rack = cmdVolume.Flag.String("rack", "", "current volume server's rack name")
vport = cmdVolume.Flag.Int("port", 8080, "http listen port")
volumeFolders = cmdVolume.Flag.String("dir", "/tmp", "directories to store data files. dir[,dir]...")
maxVolumeCounts = cmdVolume.Flag.String("max", "7", "maximum numbers of volumes, count[,count]...")
ip = cmdVolume.Flag.String("ip", "localhost", "ip or server name")
publicUrl = cmdVolume.Flag.String("publicUrl", "", "Publicly accessible <ip|server_name>:<port>")
masterNode = cmdVolume.Flag.String("mserver", "localhost:9333", "master server location")
vpulse = cmdVolume.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats, must be smaller than the master's setting")
vReadTimeout = cmdVolume.Flag.Int("readTimeout", 3, "connection read timeout in seconds")
vMaxCpu = cmdVolume.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
dataCenter = cmdVolume.Flag.String("dataCenter", "", "current volume server's data center name")
rack = cmdVolume.Flag.String("rack", "", "current volume server's rack name")
store *storage.Store
)
@@ -295,21 +295,37 @@ func runVolume(cmd *Command, args []string) bool {
*vMaxCpu = runtime.NumCPU()
}
runtime.GOMAXPROCS(*vMaxCpu)
fileInfo, err := os.Stat(*volumeFolder)
if err != nil {
log.Fatalf("No Existing Folder:%s", *volumeFolder)
folders := strings.Split(*volumeFolders, ",")
maxCountStrings := strings.Split(*maxVolumeCounts, ",")
maxCounts := make([]int, 0)
for _, maxString := range maxCountStrings {
if max, e := strconv.Atoi(maxString); e == nil {
maxCounts = append(maxCounts, max)
} else {
log.Fatalf("The max specified in -max not a valid number %s", max)
}
}
if !fileInfo.IsDir() {
log.Fatalf("Volume Folder should not be a file:%s", *volumeFolder)
if len(folders) != len(maxCounts) {
log.Fatalf("%d directories by -dir, but only %d max is set by -max", len(folders), len(maxCounts))
}
for _, folder := range folders {
fileInfo, err := os.Stat(folder)
if err != nil {
log.Fatalf("No Existing Folder:%s", folder)
}
if !fileInfo.IsDir() {
log.Fatalf("Volume Folder should not be a file:%s", folder)
}
perm := fileInfo.Mode().Perm()
log.Println("Volume Folder", folder)
log.Println("Permission:", perm)
}
perm := fileInfo.Mode().Perm()
log.Println("Volume Folder permission:", perm)
if *publicUrl == "" {
*publicUrl = *ip + ":" + strconv.Itoa(*vport)
}
store = storage.NewStore(*vport, *ip, *publicUrl, *volumeFolder, *maxVolumeCount)
store = storage.NewStore(*vport, *ip, *publicUrl, folders, maxCounts)
defer store.Close()
http.HandleFunc("/", storeHandler)
http.HandleFunc("/status", statusHandler)