seaweedfs/weed/command/mount.go

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package command
import (
"os"
"time"
)
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type MountOptions struct {
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filer *string
filerMountRootPath *string
dir *string
dirAutoCreate *bool
collection *string
collectionQuota *int
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replication *string
diskType *string
ttlSec *int
chunkSizeLimitMB *int
concurrentWriters *int
cacheDir *string
cacheSizeMB *int64
dataCenter *string
allowOthers *bool
umaskString *string
nonempty *bool
volumeServerAccess *string
uidMap *string
gidMap *string
readOnly *bool
debug *bool
debugPort *int
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localSocket *string
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disableXAttr *bool
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}
var (
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mountOptions MountOptions
mountCpuProfile *string
mountMemProfile *string
mountReadRetryTime *time.Duration
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)
func init() {
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cmdMount.Run = runMount // break init cycle
mountOptions.filer = cmdMount.Flag.String("filer", "localhost:8888", "comma-separated weed filer location")
mountOptions.filerMountRootPath = cmdMount.Flag.String("filer.path", "/", "mount this remote path from filer server")
mountOptions.dir = cmdMount.Flag.String("dir", ".", "mount weed filer to this directory")
mountOptions.dirAutoCreate = cmdMount.Flag.Bool("dirAutoCreate", false, "auto create the directory to mount to")
mountOptions.collection = cmdMount.Flag.String("collection", "", "collection to create the files")
mountOptions.collectionQuota = cmdMount.Flag.Int("collectionQuotaMB", 0, "quota for the collection")
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mountOptions.replication = cmdMount.Flag.String("replication", "", "replication(e.g. 000, 001) to create to files. If empty, let filer decide.")
mountOptions.diskType = cmdMount.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
mountOptions.ttlSec = cmdMount.Flag.Int("ttl", 0, "file ttl in seconds")
mountOptions.chunkSizeLimitMB = cmdMount.Flag.Int("chunkSizeLimitMB", 2, "local write buffer size, also chunk large files")
mountOptions.concurrentWriters = cmdMount.Flag.Int("concurrentWriters", 32, "limit concurrent goroutine writers if not 0")
mountOptions.cacheDir = cmdMount.Flag.String("cacheDir", os.TempDir(), "local cache directory for file chunks and meta data")
mountOptions.cacheSizeMB = cmdMount.Flag.Int64("cacheCapacityMB", 0, "local file chunk cache capacity in MB")
mountOptions.dataCenter = cmdMount.Flag.String("dataCenter", "", "prefer to write to the data center")
mountOptions.allowOthers = cmdMount.Flag.Bool("allowOthers", true, "allows other users to access the file system")
mountOptions.umaskString = cmdMount.Flag.String("umask", "022", "octal umask, e.g., 022, 0111")
mountOptions.nonempty = cmdMount.Flag.Bool("nonempty", false, "allows the mounting over a non-empty directory")
mountOptions.volumeServerAccess = cmdMount.Flag.String("volumeServerAccess", "direct", "access volume servers by [direct|publicUrl|filerProxy]")
mountOptions.uidMap = cmdMount.Flag.String("map.uid", "", "map local uid to uid on filer, comma-separated <local_uid>:<filer_uid>")
mountOptions.gidMap = cmdMount.Flag.String("map.gid", "", "map local gid to gid on filer, comma-separated <local_gid>:<filer_gid>")
mountOptions.readOnly = cmdMount.Flag.Bool("readOnly", false, "read only")
mountOptions.debug = cmdMount.Flag.Bool("debug", false, "serves runtime profiling data, e.g., http://localhost:<debug.port>/debug/pprof/goroutine?debug=2")
mountOptions.debugPort = cmdMount.Flag.Int("debug.port", 6061, "http port for debugging")
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mountOptions.localSocket = cmdMount.Flag.String("localSocket", "", "default to /tmp/seaweedfs-mount-<mount_dir_hash>.sock")
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mountOptions.disableXAttr = cmdMount.Flag.Bool("disableXAttr", false, "disable xattr")
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mountCpuProfile = cmdMount.Flag.String("cpuprofile", "", "cpu profile output file")
mountMemProfile = cmdMount.Flag.String("memprofile", "", "memory profile output file")
mountReadRetryTime = cmdMount.Flag.Duration("readRetryTime", 6*time.Second, "maximum read retry wait time")
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}
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var cmdMount = &Command{
UsageLine: "mount -filer=localhost:8888 -dir=/some/dir",
Short: "mount weed filer to a directory as file system in userspace(FUSE)",
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Long: `mount weed filer to userspace.
Pre-requisites:
1) have SeaweedFS master and volume servers running
2) have a "weed filer" running
These 2 requirements can be achieved with one command "weed server -filer=true"
This uses github.com/seaweedfs/fuse, which enables writing FUSE file systems on
Linux, and OS X.
On OS X, it requires OSXFUSE (http://osxfuse.github.com/).
`,
}