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seaweedfs/weed/command/filer.go
T
Chris LuandClaude Opus 5.5 fcfca3fee3 s3, filer: bound the wait for an upload slot (#12559) 
* util: add WaitUntil, a cond wait bounded by a context and a timeout

The caller holds the cond lock. Cancellation and the timeout wake the
waiter through a broadcast taken under the same lock, so no wakeup is lost.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* s3: bound the wait for an upload slot

A PUT that arrived while the concurrent upload limits were exhausted waited
on the condition variable with no bound. The handler reads nothing from the
body while it waits, so a client that gave up and reset its connection went
unnoticed: the socket and goroutine stayed pinned until a slot freed, and a
stalled volume server grew the gateway's fd count by one per aborted PUT.

The wait now ends on InflightUploadDataTimeout with 503 SlowDown, which S3
SDKs retry, and on request cancellation. An admitted upload takes its slot
under the lock, and a finished upload broadcasts, so freed bytes admit every
waiter that fits instead of one.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* filer: bound the wait for an upload slot

The filer's PUT/POST upload limits queued requests the same unbounded way.
Reuse the bounded wait: reject with 429 after InflightUploadDataTimeout, as
the volume server does, and stop on request cancellation.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* command: add -inflightUploadDataTimeout for the S3 gateway and the filer

weed s3 -inflightUploadDataTimeout, weed filer -inflightUploadDataTimeout and
-s3.inflightUploadDataTimeout, weed server and weed mini
-filer.inflightUploadDataTimeout and -s3.inflightUploadDataTimeout. The
default of 60s matches the volume server's flag of the same name; 0 keeps
the old unbounded wait.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* s3: reject a queued upload without reading its body

WriteErrorResponse drains the request body before answering. Behind the
stats recorder the drain has no read deadline, and reading the body sends an
Expect: 100-continue client the go-ahead to upload what is about to be
discarded. Answer the rejection with an empty-body copy of the request so
the drain is skipped; net/http closes the connection when a large unread
body remains.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* s3, filer: release an upload slot under the cond lock

A waiter checks the counters under the cond lock and then waits. A release
that decremented and broadcast without the lock could land between the two,
so the waiter slept with a slot free until the next release or its timeout.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* s3, filer: close the HTTP/1 connection when rejecting a queued upload

net/http reads up to 256 KiB of an unread request body before sending a
keep-alive reply, so a client that stalls its body held back the 503 or
429 until the connection idle timeout. Connection: close skips that read.
HTTP/2 is left alone: there it would shut down the whole connection.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-11 10:17:18 -08:00

681 lines
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package command
import (
"context"
"crypto/tls"
"crypto/x509"
"fmt"
"net/http"
"os"
"runtime"
"sort"
"strings"
"sync"
"time"
"github.com/spf13/viper"
"google.golang.org/grpc/reflection"
"github.com/seaweedfs/seaweedfs/weed/credential"
_ "github.com/seaweedfs/seaweedfs/weed/credential/filer_etc"
_ "github.com/seaweedfs/seaweedfs/weed/credential/memory"
_ "github.com/seaweedfs/seaweedfs/weed/credential/postgres"
"github.com/seaweedfs/seaweedfs/weed/filer"
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/iam/integration"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/pb/iam_pb"
"github.com/seaweedfs/seaweedfs/weed/security"
weed_server "github.com/seaweedfs/seaweedfs/weed/server"
stats_collect "github.com/seaweedfs/seaweedfs/weed/stats"
"github.com/seaweedfs/seaweedfs/weed/util"
"github.com/seaweedfs/seaweedfs/weed/util/grace"
"github.com/seaweedfs/seaweedfs/weed/util/version"
)
var (
f FilerOptions
filerStartS3 *bool
filerS3Options S3Options
filerStartWebDav *bool
filerWebDavOptions WebDavOption
filerStartIam *bool
filerIamOptions IamOptions
filerStartSftp *bool
filerSftpOptions SftpOptions
)
// allowUntrustedRemoteEndpointsUsage documents the flag shared by the filer and
// S3 gateway, whose remote-mount read paths dial the mounted endpoint directly.
const allowUntrustedRemoteEndpointsUsage = "if true, a read of a remote-only entry accepts arbitrary remote S3 endpoints including loopback / link-local hosts. Default rejects internal / metadata endpoints."
// iamSelfServiceRequiresGrantUsage documents the flag shared by every command
// that runs the embedded IAM API.
const iamSelfServiceRequiresGrantUsage = "if true, an identity needs an explicit iam: grant to manage its own access keys (CreateAccessKey, DeleteAccessKey, UpdateAccessKey, ListAccessKeys, GetUser), as on AWS. Default allows it to every authenticated identity."
// allowBackslashInKeyUsage documents the S3 flag keeping '\' a literal
// object-key character instead of normalizing it to '/'. Repeated '//' in a
// key still collapses: a filer entry name cannot contain an empty segment.
const allowBackslashInKeyUsage = "treat backslash as a regular object-key character instead of converting it to '/' (aws-compatible; '//' still collapses)"
type FilerOptions struct {
masters *pb.ServerDiscovery
mastersString *string
ip *string
bindIp *string
listenOnLocalhost *bool
port *int
portGrpc *int
publicPort *int
idleTimeout *int
filerGroup *string
collection *string
defaultReplicaPlacement *string
disableDirListing *bool
maxMB *int
dirListingLimit *int
dataCenter *string
rack *string
enableNotification *bool
disableHttp *bool
cipher *bool
metricsHttpPort *int
metricsHttpIp *string
saveToFilerLimit *int
defaultLevelDbDirectory *string
concurrentUploadLimitMB *int
concurrentFileUploadLimit *int
inflightUploadDataTimeout *time.Duration
debug *bool
debugPort *int
localSocket *string
showUIDirectoryDelete *bool
downloadMaxMBps *int
diskType *string
allowedOrigins *string
exposeDirectoryData *bool
tusBasePath *string
tusMaxSizeMB *int
tusSessionExpiry *time.Duration
s3ConfigFile *string // optional path to static S3 identity config
allowUntrustedRemoteEndpoints *bool
remoteCacheEvictThreshold *float64
// shutdownCtx, when non-nil, tells startFiler to gracefully shut down its
// HTTP/gRPC servers once the ctx is cancelled. Used by integration tests
// and by weed mini; nil for standalone weed filer.
shutdownCtx context.Context
// gracefulStopTimeout caps how long startFiler waits for gRPC graceful
// stop before forcing the server to stop. Zero means the default of 15s.
gracefulStopTimeout time.Duration
// skipEmptyMembershipConfirm forwards to FilerOption: a single-master
// weed mini's embedded filer announces on the startup scan instead of
// holding registration for the confirm window.
skipEmptyMembershipConfirm bool
// clusterFreshHint, when non-nil, reports that the embedded master minted
// a fresh TopologyId this boot — proof the peer scan's empty result is
// final rather than a settling master, so the announce gate can end the
// empty-membership confirm early. Used by weed server; nil elsewhere.
clusterFreshHint func() bool
}
func init() {
cmdFiler.Run = runFiler // break init cycle
f.mastersString = cmdFiler.Flag.String("master", "localhost:9333", "comma-separated master servers or a single DNS SRV record of at least 1 master server, prepended with dnssrv+")
f.filerGroup = cmdFiler.Flag.String("filerGroup", "", "share metadata with other filers in the same filerGroup")
f.collection = cmdFiler.Flag.String("collection", "", "all data will be stored in this default collection")
f.ip = cmdFiler.Flag.String("ip", util.DetectedHostAddress(), "filer server http listen ip address")
f.bindIp = cmdFiler.Flag.String("ip.bind", "", "ip address to bind to. If empty, default to same as -ip option.")
f.port = cmdFiler.Flag.Int("port", 8888, "filer server http listen port")
f.portGrpc = cmdFiler.Flag.Int("port.grpc", 0, "filer server grpc listen port")
f.publicPort = cmdFiler.Flag.Int("port.readonly", 0, "readonly port opened to public")
f.idleTimeout = cmdFiler.Flag.Int("idleTimeout", 10, "connection idle seconds")
f.defaultReplicaPlacement = cmdFiler.Flag.String("defaultReplicaPlacement", "", "default replication type. If not specified, use master setting.")
f.disableDirListing = cmdFiler.Flag.Bool("disableDirListing", false, "turn off directory listing")
f.maxMB = cmdFiler.Flag.Int("maxMB", 4, "split files larger than the limit")
f.dirListingLimit = cmdFiler.Flag.Int("dirListLimit", 100000, "limit sub dir listing size")
f.dataCenter = cmdFiler.Flag.String("dataCenter", "", "prefer to read and write to volumes in this data center")
f.rack = cmdFiler.Flag.String("rack", "", "prefer to write to volumes in this rack")
f.disableHttp = cmdFiler.Flag.Bool("disableHttp", false, "disable http request, only gRpc operations are allowed")
f.cipher = cmdFiler.Flag.Bool("encryptVolumeData", false, "encrypt data on volume servers")
f.metricsHttpPort = cmdFiler.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
f.metricsHttpIp = cmdFiler.Flag.String("metricsIp", "", "metrics listen ip. If empty, default to same as -ip.bind option.")
f.saveToFilerLimit = cmdFiler.Flag.Int("saveToFilerLimit", 0, "files smaller than this limit will be saved in filer store")
f.defaultLevelDbDirectory = cmdFiler.Flag.String("defaultStoreDir", ".", "if filer.toml is empty, use an embedded filer store in the directory")
f.concurrentUploadLimitMB = cmdFiler.Flag.Int("concurrentUploadLimitMB", 0, "limit total concurrent upload size, 0 means unlimited")
f.concurrentFileUploadLimit = cmdFiler.Flag.Int("concurrentFileUploadLimit", 0, "limit number of concurrent file uploads, 0 means unlimited")
f.inflightUploadDataTimeout = cmdFiler.Flag.Duration("inflightUploadDataTimeout", 60*time.Second, "how long an upload waits for a slot under the concurrent upload limits before it is rejected with 429, 0 means no limit")
f.debug = cmdFiler.Flag.Bool("debug", false, "serves runtime profiling data, e.g., http://localhost:<debug.port>/debug/pprof/goroutine?debug=2")
f.debugPort = cmdFiler.Flag.Int("debug.port", 6060, "http port for debugging")
f.localSocket = cmdFiler.Flag.String("localSocket", "", "default to /tmp/seaweedfs-filer-<port>.sock")
f.showUIDirectoryDelete = cmdFiler.Flag.Bool("ui.deleteDir", true, "enable filer UI show delete directory button")
f.downloadMaxMBps = cmdFiler.Flag.Int("downloadMaxMBps", 0, "download max speed for each download request, in MB per second")
f.diskType = cmdFiler.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
f.allowedOrigins = cmdFiler.Flag.String("allowedOrigins", "*", "comma separated list of allowed origins")
f.exposeDirectoryData = cmdFiler.Flag.Bool("exposeDirectoryData", true, "whether to return directory metadata and content in Filer UI")
f.tusBasePath = cmdFiler.Flag.String("tusBasePath", "/.tus", "TUS resumable upload endpoint base path (e.g., /.tus)")
f.tusMaxSizeMB = cmdFiler.Flag.Int("tusMaxSizeMB", 5*1024, "maximum TUS upload size in MB")
f.tusSessionExpiry = cmdFiler.Flag.Duration("tusSessionExpiry", 24*time.Hour, "incomplete TUS upload sessions are cleaned up after this duration, e.g. \"48h\", \"7h30m\"")
f.allowUntrustedRemoteEndpoints = cmdFiler.Flag.Bool("allowUntrustedRemoteEndpoints", false, allowUntrustedRemoteEndpointsUsage)
f.remoteCacheEvictThreshold = cmdFiler.Flag.Float64("remoteCacheEvictThreshold", 0.9, "evict remote-cached objects (oldest first) when any volume disk exceeds this usage fraction; 0 disables")
// start s3 on filer
filerStartS3 = cmdFiler.Flag.Bool("s3", false, "whether to start S3 gateway")
filerS3Options.port = cmdFiler.Flag.Int("s3.port", 8333, "s3 server http listen port")
filerS3Options.portHttps = cmdFiler.Flag.Int("s3.port.https", 0, "s3 server https listen port")
filerS3Options.portGrpc = cmdFiler.Flag.Int("s3.port.grpc", 0, "s3 server grpc listen port")
filerS3Options.domainName = cmdFiler.Flag.String("s3.domainName", "", "suffix of the host name in comma separated list, {bucket}.{domainName}")
filerS3Options.allowedOrigins = cmdFiler.Flag.String("s3.allowedOrigins", "*", "comma separated list of allowed origins")
filerS3Options.dataCenter = cmdFiler.Flag.String("s3.dataCenter", "", "prefer to read and write to volumes in this data center")
filerS3Options.tlsPrivateKey = cmdFiler.Flag.String("s3.key.file", "", "path to the TLS private key file")
filerS3Options.tlsCertificate = cmdFiler.Flag.String("s3.cert.file", "", "path to the TLS certificate file")
filerS3Options.config = cmdFiler.Flag.String("s3.config", "", "path to the config file")
filerS3Options.iamConfig = cmdFiler.Flag.String("s3.iam.config", "", "path to the advanced IAM config file")
filerS3Options.auditLogConfig = cmdFiler.Flag.String("s3.auditLogConfig", "", "path to the audit log config file")
filerS3Options.metricsHttpPort = cmdFiler.Flag.Int("s3.metricsPort", 0, "Prometheus metrics listen port")
filerS3Options.metricsHttpIp = cmdFiler.Flag.String("s3.metricsIp", "", "metrics listen ip. If empty, default to same as -s3.ip.bind option.")
cmdFiler.Flag.Bool("s3.allowEmptyFolder", true, "deprecated, ignored. Empty folder cleanup is now automatic.")
filerS3Options.allowDeleteBucketNotEmpty = cmdFiler.Flag.Bool("s3.allowDeleteBucketNotEmpty", false, "allow recursive deleting all entries along with bucket")
filerS3Options.autoCreateBucket = cmdFiler.Flag.Bool("s3.autoCreateBucket", true, "create the bucket on upload if it does not exist, for admin identities only")
filerS3Options.localSocket = cmdFiler.Flag.String("s3.localSocket", "", "default to /tmp/seaweedfs-s3-<port>.sock")
filerS3Options.tlsCACertificate = cmdFiler.Flag.String("s3.cacert.file", "", "path to the TLS CA certificate file")
filerS3Options.tlsVerifyClientCert = cmdFiler.Flag.Bool("s3.tlsVerifyClientCert", false, "whether to verify the client's certificate")
filerS3Options.bindIp = cmdFiler.Flag.String("s3.ip.bind", "", "ip address to bind to. If empty, default to same as -ip.bind option.")
filerS3Options.idleTimeout = cmdFiler.Flag.Int("s3.idleTimeout", 120, "connection idle seconds")
filerS3Options.concurrentUploadLimitMB = cmdFiler.Flag.Int("s3.concurrentUploadLimitMB", 0, "limit total concurrent upload size for S3, 0 means unlimited")
filerS3Options.concurrentFileUploadLimit = cmdFiler.Flag.Int("s3.concurrentFileUploadLimit", 0, "limit number of concurrent file uploads for S3, 0 means unlimited")
filerS3Options.inflightUploadDataTimeout = cmdFiler.Flag.Duration("s3.inflightUploadDataTimeout", 60*time.Second, "how long an upload waits for a slot under the concurrent upload limits before it is rejected with SlowDown, 0 means no limit")
filerS3Options.enableIam = cmdFiler.Flag.Bool("s3.iam", true, "enable embedded IAM API on the same S3 port")
filerS3Options.cipher = cmdFiler.Flag.Bool("s3.encryptVolumeData", false, "encrypt data on volume servers for S3 uploads; on whenever -encryptVolumeData is")
filerS3Options.iamReadOnly = cmdFiler.Flag.Bool("s3.iam.readOnly", true, "disable IAM write operations on this server")
filerS3Options.portIceberg = cmdFiler.Flag.Int("s3.port.iceberg", 8181, "Iceberg REST Catalog server listen port (0 to disable)")
filerS3Options.portLance = cmdFiler.Flag.Int("s3.port.lance", 9101, "Lance Namespace server listen port (0 to disable)")
filerS3Options.externalUrl = cmdFiler.Flag.String("s3.externalUrl", "", "the external URL clients use to connect (e.g. https://api.example.com:9000). Advertised to Iceberg and Lance clients, and tried first when verifying S3 signatures behind a reverse proxy. Falls back to S3_EXTERNAL_URL env var.")
filerS3Options.defaultFileMode = cmdFiler.Flag.String("s3.defaultFileMode", "", "default file mode for S3 uploaded objects, e.g. 0660, 0644, 0666")
filerS3Options.cacheSizeMB = cmdFiler.Flag.Int64("s3.cacheCapacityMB", 0, "in-memory chunk cache capacity in MB for S3 GETs shared across requests (0 disables)")
filerS3Options.readerCacheSizeMB = cmdFiler.Flag.Int64("s3.readerCacheSizeMB", 0, "memory budget in MiB for downloaded and in-flight reader buffers across all S3 GETs (0 means unlimited)")
filerS3Options.allowUntrustedRemoteEndpoints = cmdFiler.Flag.Bool("s3.allowUntrustedRemoteEndpoints", false, allowUntrustedRemoteEndpointsUsage)
filerS3Options.allowBackslashInKey = cmdFiler.Flag.Bool("s3.allowBackslashInKey", false, allowBackslashInKeyUsage)
filerS3Options.iamSelfServiceRequiresGrant = cmdFiler.Flag.Bool("s3.iam.selfServiceRequiresGrant", false, iamSelfServiceRequiresGrantUsage)
// start webdav on filer
filerStartWebDav = cmdFiler.Flag.Bool("webdav", false, "whether to start webdav gateway")
filerWebDavOptions.port = cmdFiler.Flag.Int("webdav.port", 7333, "webdav server http listen port")
filerWebDavOptions.collection = cmdFiler.Flag.String("webdav.collection", "", "collection to create the files")
filerWebDavOptions.replication = cmdFiler.Flag.String("webdav.replication", "", "replication to create the files")
filerWebDavOptions.disk = cmdFiler.Flag.String("webdav.disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
filerWebDavOptions.tlsPrivateKey = cmdFiler.Flag.String("webdav.key.file", "", "path to the TLS private key file")
filerWebDavOptions.tlsCertificate = cmdFiler.Flag.String("webdav.cert.file", "", "path to the TLS certificate file")
filerWebDavOptions.cacheDir = cmdFiler.Flag.String("webdav.cacheDir", os.TempDir(), "local cache directory for file chunks")
filerWebDavOptions.cacheSizeMB = cmdFiler.Flag.Int64("webdav.cacheCapacityMB", 0, "local cache capacity in MB")
filerWebDavOptions.maxMB = cmdFiler.Flag.Int("webdav.maxMB", 4, "split files larger than the limit")
filerWebDavOptions.filerRootPath = cmdFiler.Flag.String("webdav.filer.path", "/", "use this remote path from filer server")
filerWebDavOptions.idleTimeout = cmdFiler.Flag.Int("webdav.idleTimeout", 10, "connection idle seconds")
// start iam on filer
filerStartIam = cmdFiler.Flag.Bool("iam", false, "whether to start IAM service")
filerIamOptions.ip = cmdFiler.Flag.String("iam.ip", *f.ip, "iam server http listen ip address")
filerIamOptions.port = cmdFiler.Flag.Int("iam.port", 8111, "iam server http listen port")
filerIamOptions.idleTimeout = cmdFiler.Flag.Int("iam.idleTimeout", 10, "connection idle seconds")
filerIamOptions.selfServiceRequiresGrant = filerS3Options.iamSelfServiceRequiresGrant
filerStartSftp = cmdFiler.Flag.Bool("sftp", false, "whether to start the SFTP server")
filerSftpOptions.port = cmdFiler.Flag.Int("sftp.port", 2022, "SFTP server listen port")
filerSftpOptions.idleTimeout = cmdFiler.Flag.Int("sftp.idleTimeout", 10, "connection idle seconds")
filerSftpOptions.sshPrivateKey = cmdFiler.Flag.String("sftp.sshPrivateKey", "", "path to the SSH private key file for host authentication")
filerSftpOptions.hostKeysFolder = cmdFiler.Flag.String("sftp.hostKeysFolder", "", "path to folder containing SSH private key files for host authentication")
filerSftpOptions.authMethods = cmdFiler.Flag.String("sftp.authMethods", "password,publickey", "comma-separated list of allowed auth methods: password, publickey, certificate")
filerSftpOptions.maxAuthTries = cmdFiler.Flag.Int("sftp.maxAuthTries", 6, "maximum number of authentication attempts per connection")
filerSftpOptions.bannerMessage = cmdFiler.Flag.String("sftp.bannerMessage", "SeaweedFS SFTP Server - Unauthorized access is prohibited", "message displayed before authentication")
filerSftpOptions.loginGraceTime = cmdFiler.Flag.Duration("sftp.loginGraceTime", 2*time.Minute, "timeout for authentication")
filerSftpOptions.clientAliveInterval = cmdFiler.Flag.Duration("sftp.clientAliveInterval", 5*time.Second, "interval for sending keep-alive messages")
filerSftpOptions.clientAliveCountMax = cmdFiler.Flag.Int("sftp.clientAliveCountMax", 3, "maximum number of missed keep-alive messages before disconnecting")
filerSftpOptions.userStoreFile = cmdFiler.Flag.String("sftp.userStoreFile", "", "path to JSON file containing user credentials and permissions")
filerSftpOptions.trustedUserCAKeysFile = cmdFiler.Flag.String("sftp.trustedUserCAKeysFile", "", "path to a file with trusted user CA public keys (OpenSSH authorized_keys format); required when 'certificate' is in -sftp.authMethods")
filerSftpOptions.dataCenter = cmdFiler.Flag.String("sftp.dataCenter", "", "prefer to read and write to volumes in this data center")
filerSftpOptions.bindIp = cmdFiler.Flag.String("sftp.ip.bind", "", "ip address to bind to. If empty, default to same as -ip.bind option.")
filerSftpOptions.localSocket = cmdFiler.Flag.String("sftp.localSocket", "", "default to /tmp/seaweedfs-sftp-<port>.sock")
}
func filerLongDesc() string {
desc := `start a file server which accepts REST operation for any files.
//create or overwrite the file, the directories /path/to will be automatically created
POST /path/to/file
//get the file content
GET /path/to/file
//create or overwrite the file, the filename in the multipart request will be used
POST /path/to/
//return a json format subdirectory and files listing
GET /path/to/
The configuration file "filer.toml" is read from ".", "$HOME/.seaweedfs/", "/usr/local/etc/seaweedfs/", or "/etc/seaweedfs/", in that order.
If the "filer.toml" is not found, an embedded filer store will be created under "-defaultStoreDir".
The example filer.toml configuration file can be generated by "weed scaffold -config=filer"
Supported Filer Stores:
`
storeNames := make([]string, len(filer.Stores))
for i, store := range filer.Stores {
storeNames[i] = "\t" + store.GetName()
}
sort.Strings(storeNames)
storeList := strings.Join(storeNames, "\n")
return desc + storeList
}
var cmdFiler = &Command{
UsageLine: "filer -port=8888 -master=<ip:port>[,<ip:port>]*",
Short: "start a file server that points to a master server, or a list of master servers",
Long: filerLongDesc(),
}
func runFiler(cmd *Command, args []string) bool {
if *f.debug {
go http.ListenAndServe(fmt.Sprintf(":%d", *f.debugPort), nil)
}
*f.defaultLevelDbDirectory = util.ResolvePath(*f.defaultLevelDbDirectory)
filerS3Options.resolvePaths()
filerWebDavOptions.resolvePaths()
filerSftpOptions.resolvePaths()
util.LoadSecurityConfiguration()
// Share the S3 static identity config file with the filer regardless of
// whether the embedded S3 gateway runs on this node: the IAM gRPC service
// the admin UI and weed shell talk to is wired up unconditionally, and it
// needs the same identities the S3 server would load from -s3.config.
f.s3ConfigFile = filerS3Options.config
switch {
case *f.metricsHttpIp != "":
// noting to do, use f.metricsHttpIp
case *f.bindIp != "":
*f.metricsHttpIp = *f.bindIp
case *f.ip != "":
*f.metricsHttpIp = *f.ip
}
go stats_collect.StartMetricsServer(*f.metricsHttpIp, *f.metricsHttpPort)
// Embedded services keep their loopback companion listener only while
// -ip.bind is unset and the bind address falls back to -ip. This must be
// captured before startFiler fills *f.bindIp in place.
filerBindIpUnset := *f.bindIp == ""
filerAddress := pb.NewServerAddress(*f.ip, *f.port, *f.portGrpc).String()
startDelay := time.Duration(2)
if *filerStartS3 {
filerS3Options.filer = &filerAddress
filerS3Options.ip = f.ip
if *filerS3Options.bindIp == "" {
filerS3Options.listenOnLocalhost = &filerBindIpUnset
filerS3Options.bindIp = f.bindIp
}
filerS3Options.localFilerSocket = f.localSocket
// Set S3 metrics IP based on bind IP if not explicitly set
if *filerS3Options.metricsHttpIp == "" {
*filerS3Options.metricsHttpIp = *filerS3Options.bindIp
}
go func(delay time.Duration) {
time.Sleep(delay * time.Second)
filerS3Options.startS3Server()
}(startDelay)
startDelay++
}
if *filerStartWebDav {
filerWebDavOptions.filer = &filerAddress
filerWebDavOptions.ipBind = f.bindIp
if *filerWebDavOptions.disk == "" {
filerWebDavOptions.disk = f.diskType
}
go func(delay time.Duration) {
time.Sleep(delay * time.Second)
filerWebDavOptions.startWebDav()
}(startDelay)
startDelay++
}
if *filerStartIam {
filerIamOptions.filer = &filerAddress
filerIamOptions.masters = f.mastersString
filerIamOptions.listenOnLocalhost = &filerBindIpUnset
go func(delay time.Duration) {
time.Sleep(delay * time.Second)
filerIamOptions.startIamServer()
}(startDelay)
startDelay++
}
if *filerStartSftp {
filerSftpOptions.filer = &filerAddress
if *filerSftpOptions.bindIp == "" {
filerSftpOptions.listenOnLocalhost = &filerBindIpUnset
filerSftpOptions.bindIp = f.bindIp
}
go func(delay time.Duration) {
time.Sleep(delay * time.Second)
filerSftpOptions.startSftpServer()
}(startDelay)
}
f.masters = pb.ServerAddresses(*f.mastersString).ToServiceDiscovery()
f.startFiler()
return true
}
func (fo *FilerOptions) startFiler() {
defaultMux := http.NewServeMux()
publicVolumeMux := defaultMux
if *fo.publicPort != 0 {
publicVolumeMux = http.NewServeMux()
}
if *fo.portGrpc == 0 {
*fo.portGrpc = 10000 + *fo.port
}
// The loopback companion listener is only kept while -ip.bind is unset
// and the bind address falls back to -ip. An explicit -ip.bind pins each
// port to exactly that address.
listenOnLocalhost := *fo.bindIp == ""
if fo.listenOnLocalhost != nil {
listenOnLocalhost = *fo.listenOnLocalhost
}
idleTimeout := idleTimeoutSeconds(fo.idleTimeout)
if *fo.bindIp == "" {
*fo.bindIp = *fo.ip
}
util.SetOutboundLocalIP(*fo.bindIp)
if *fo.allowedOrigins == "" {
*fo.allowedOrigins = "*"
}
defaultLevelDbDirectory := *fo.defaultLevelDbDirectory + "/filerldb2"
filerAddress := pb.NewServerAddress(*fo.ip, *fo.port, *fo.portGrpc)
// Initialize credential manager for IAM gRPC service
var credentialManager *credential.CredentialManager
var err error
credentialManager, err = credential.NewCredentialManagerWithDefaults("")
if err != nil {
glog.Warningf("Failed to initialize credential manager: %v", err)
} else {
glog.V(0).Infof("Initialized credential manager: %s", credentialManager.GetStoreName())
}
// Load static S3 identities from config file if specified
if fo.s3ConfigFile != nil && *fo.s3ConfigFile != "" {
if credentialManager != nil {
if err := credentialManager.LoadS3ConfigFile(*fo.s3ConfigFile); err != nil {
glog.Warningf("Failed to load S3 config file for static identities: %v", err)
}
}
}
announce := make(chan struct{})
fs, nfs_err := weed_server.NewFilerServer(defaultMux, publicVolumeMux, &weed_server.FilerOption{
Masters: fo.masters,
AnnounceCh: announce,
SkipEmptyMembershipConfirm: fo.skipEmptyMembershipConfirm,
ClusterFreshHint: fo.clusterFreshHint,
FilerGroup: *fo.filerGroup,
Collection: *fo.collection,
DefaultReplication: *fo.defaultReplicaPlacement,
DisableDirListing: *fo.disableDirListing,
MaxMB: *fo.maxMB,
DirListingLimit: *fo.dirListingLimit,
DataCenter: *fo.dataCenter,
Rack: *fo.rack,
DefaultLevelDbDir: defaultLevelDbDirectory,
DisableHttp: *fo.disableHttp,
Host: filerAddress,
Cipher: *fo.cipher,
SaveToFilerLimit: int64(*fo.saveToFilerLimit),
ConcurrentUploadLimit: int64(*fo.concurrentUploadLimitMB) * 1024 * 1024,
ConcurrentFileUploadLimit: int64(*fo.concurrentFileUploadLimit),
InflightUploadDataTimeout: *fo.inflightUploadDataTimeout,
ShowUIDirectoryDelete: *fo.showUIDirectoryDelete,
DownloadMaxBytesPs: int64(*fo.downloadMaxMBps) * 1024 * 1024,
DiskType: *fo.diskType,
AllowedOrigins: strings.Split(*fo.allowedOrigins, ","),
ExposeDirectoryData: *fo.exposeDirectoryData,
TusBasePath: *fo.tusBasePath,
TusMaxSize: int64(*fo.tusMaxSizeMB) * 1024 * 1024,
TusSessionExpiry: *fo.tusSessionExpiry,
CredentialManager: credentialManager,
AllowUntrustedRemoteEndpoints: *fo.allowUntrustedRemoteEndpoints,
RemoteCacheEvictThreshold: *fo.remoteCacheEvictThreshold,
})
if nfs_err != nil {
glog.Fatalf("Filer startup error: %v", nfs_err)
}
// Serve "//" and ".." paths at their cleaned form instead of letting the mux
// redirect: its Location is double-escaped, turning non-ASCII names into
// percent-encoded directory names when a client follows it (#11125).
defaultHandler := weed_server.CleanPathHandler(defaultMux)
var httpServers []*http.Server
if *fo.publicPort != 0 {
publicListeningAddress := util.JoinHostPort(*fo.bindIp, *fo.publicPort)
glog.V(0).Infoln("Start Seaweed filer server", version.Version(), "public at", publicListeningAddress)
publicListener, localPublicListener, e := util.NewIpAndLocalListeners(*fo.bindIp, *fo.publicPort, idleTimeout, listenOnLocalhost)
if e != nil {
glog.Fatalf("Filer server public listener error on port %d:%v", *fo.publicPort, e)
}
publicHandler := weed_server.CleanPathHandler(publicVolumeMux)
publicServer := newHttpServer(publicHandler, nil)
httpServers = append(httpServers, publicServer)
go func() {
if e := publicServer.Serve(publicListener); e != nil && e != http.ErrServerClosed {
glog.Fatalf("Volume server fail to serve public: %v", e)
}
}()
if localPublicListener != nil {
localPublicServer := newHttpServer(publicHandler, nil)
httpServers = append(httpServers, localPublicServer)
go func() {
if e := localPublicServer.Serve(localPublicListener); e != nil && e != http.ErrServerClosed {
glog.Errorf("Volume server fail to serve public: %v", e)
}
}()
}
}
glog.V(0).Infof("Start Seaweed Filer %s at %s:%d", version.Version(), *fo.ip, *fo.port)
filerListener, filerLocalListener, e := util.NewIpAndLocalListeners(
*fo.bindIp, *fo.port,
idleTimeout, listenOnLocalhost,
)
if e != nil {
glog.Fatalf("Filer listener error: %v", e)
}
// starting grpc server
grpcPort := *fo.portGrpc
grpcL, grpcLocalL, err := util.NewIpAndLocalListeners(*fo.bindIp, grpcPort, 0, listenOnLocalhost)
if err != nil {
glog.Fatalf("failed to listen on grpc port %d: %v", grpcPort, err)
}
grpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.filer"))
filer_pb.RegisterSeaweedFilerServer(grpcS, fs)
// IAM RPCs require a Bearer token signed with jwt.filer_signing.key when it
// is set. The key does not protect the rest of this port; that needs
// [grpc.filer] mTLS.
if credentialManager != nil {
adminSigningKey := security.SigningKey(util.GetViper().GetString("jwt.filer_signing.key"))
iamGrpcServer := weed_server.NewIamGrpcServer(credentialManager, adminSigningKey)
// The OIDC provider and role RPCs write where S3 servers configured with
// filer-typed "oidcProviderStore" and "roleStore" read: this filer, at
// the stores' default base paths.
selfAddress := func() string { return string(filerAddress) }
if roleStore, err := integration.NewFilerRoleStore(nil, selfAddress); err != nil {
glog.Warningf("IAM gRPC: role RPCs disabled: %v", err)
} else {
iamGrpcServer.SetSTSStores(integration.NewFilerOIDCProviderStore(nil, selfAddress), roleStore)
}
iam_pb.RegisterSeaweedIdentityAccessManagementServer(grpcS, iamGrpcServer)
if len(adminSigningKey) == 0 {
glog.Warning("IAM gRPC service on filer is UNAUTHENTICATED: anyone who can reach this port can create users and policies, and its OIDC provider and role RPCs are refused; set jwt.filer_signing.key in security.toml to require an admin Bearer token")
} else {
glog.V(0).Info("Registered IAM gRPC service on filer (admin Bearer token required)")
}
}
reflection.Register(grpcS)
if grpcLocalL != nil {
go grpcS.Serve(grpcLocalL)
}
go grpcS.Serve(grpcL)
pb.ServeGrpcOnLocalSocket(grpcS, grpcPort)
// Membership in the master's filer list routes S3 and peer traffic here;
// announce once the gRPC port is serving and the metadata replay has
// caught up with the peers found at startup, so the filer does not take
// lock-ring ownership while a peer's older events can still land on top
// of its fresh writes. A cap bounds the wait.
go fs.AnnounceOnceCaughtUp(announce, time.Now())
// Helper to gracefully stop the gRPC server, waiting for active RPCs.
gracefulTimeout := fo.gracefulStopTimeout
if gracefulTimeout <= 0 {
gracefulTimeout = 15 * time.Second
}
stopGrpcServer := func() { gracefulStopGrpc(grpcS, gracefulTimeout) }
if runtime.GOOS != "windows" {
localSocket := *fo.localSocket
explicit := localSocket != ""
if !explicit {
localSocket = fmt.Sprintf("/tmp/seaweedfs-filer-%d.sock", *fo.port)
}
if filerSocketListener := pb.ListenOnLocalSocket(localSocket); filerSocketListener != nil {
filerSocketListener = &util.Listener{Listener: filerSocketListener, Timeout: idleTimeout}
socketServer := newHttpServer(defaultHandler, nil)
httpServers = append(httpServers, socketServer)
go socketServer.Serve(filerSocketListener)
}
}
if viper.GetString("https.filer.key") != "" {
certFile := viper.GetString("https.filer.cert")
keyFile := viper.GetString("https.filer.key")
caCertFile := viper.GetString("https.filer.ca")
disbaleTlsVerifyClientCert := viper.GetBool("https.filer.disable_tls_verify_client_cert")
getCert, certProvider, err := security.NewReloadingServerCertificate(certFile, keyFile)
if err != nil {
glog.Fatalf("Filer failed to load HTTPS certificate: %v", err)
}
defer certProvider.Close()
caCertPool := x509.NewCertPool()
if caCertFile != "" {
caCertFile, err := os.ReadFile(caCertFile)
if err != nil {
glog.Fatalf("error reading CA certificate: %v", err)
}
caCertPool.AppendCertsFromPEM(caCertFile)
}
clientAuth := tls.NoClientCert
if !disbaleTlsVerifyClientCert {
clientAuth = tls.RequireAndVerifyClientCert
}
tlsConfig := &tls.Config{
GetCertificate: getCert,
ClientAuth: clientAuth,
ClientCAs: caCertPool,
}
err = security.FixTlsConfig(util.GetViper(), tlsConfig)
if err != nil {
glog.Fatalf("Filer failed to fix TLS config: %v", err)
}
var localTLSServer *http.Server
if filerLocalListener != nil {
localTLSServer = newHttpServer(defaultHandler, tlsConfig)
httpServers = append(httpServers, localTLSServer)
go func() {
if err := localTLSServer.ServeTLS(filerLocalListener, "", ""); err != nil {
glog.Errorf("Filer Fail to serve: %v", err)
}
}()
}
httpS := newHttpServer(defaultHandler, tlsConfig)
httpServers = append(httpServers, httpS)
shutdown := newFilerShutdown(fs.LeaveLockRing, fs.StopSubscriptions, stopGrpcServer, fs.Shutdown, httpServers...)
grace.OnInterrupt(shutdown)
if fo.shutdownCtx != nil {
go func() {
<-fo.shutdownCtx.Done()
shutdown()
}()
}
if err := httpS.ServeTLS(filerListener, "", ""); err != nil && err != http.ErrServerClosed {
glog.Fatalf("Filer Fail to serve: %v", err)
}
// Serve returns when listeners close, before active requests finish.
// Join the same shutdown sequence instead of closing the filer here.
shutdown()
} else {
var localHTTPServer *http.Server
if filerLocalListener != nil {
localHTTPServer = newHttpServer(defaultHandler, nil)
httpServers = append(httpServers, localHTTPServer)
go func() {
if err := localHTTPServer.Serve(filerLocalListener); err != nil {
glog.Errorf("Filer Fail to serve: %v", err)
}
}()
}
httpS := newHttpServer(defaultHandler, nil)
httpServers = append(httpServers, httpS)
shutdown := newFilerShutdown(fs.LeaveLockRing, fs.StopSubscriptions, stopGrpcServer, fs.Shutdown, httpServers...)
grace.OnInterrupt(shutdown)
if fo.shutdownCtx != nil {
go func() {
<-fo.shutdownCtx.Done()
shutdown()
}()
}
if err := httpS.Serve(filerListener); err != nil && err != http.ErrServerClosed {
glog.Fatalf("Filer Fail to serve: %v", err)
}
// Serve returns when listeners close, before active requests finish.
// Join the same shutdown sequence instead of closing the filer here.
shutdown()
}
}
// newFilerShutdown joins shutdown callers while gRPC and HTTP drain concurrently.
// The filer leaves the lock ring first: peers and S3 gateways route keys to it
// until the ring changes, and would hit refused connections once gRPC stops.
// Then it ends its metadata subscriptions, so gRPC GracefulStop does not wait
// out its timeout on streams whose subscribers sit in this same process.
func newFilerShutdown(leaveLockRing, stopSubscriptions, stopGrpc, shutdownFiler func(), httpServers ...*http.Server) func() {
drain := newGracefulShutdown(stopGrpc, shutdownFiler, httpServers...)
return sync.OnceFunc(func() {
leaveLockRing()
stopSubscriptions()
drain()
})
}
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