示例#1
0
func newRootFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (h http.Handler, err error) {
	u, err := user.Current()
	if err != nil {
		return
	}
	root := &RootHandler{
		BlobRoot:   conf.OptionalString("blobRoot", ""),
		SearchRoot: conf.OptionalString("searchRoot", ""),
		OwnerName:  conf.OptionalString("ownerName", u.Name),
	}
	root.Stealth = conf.OptionalBool("stealth", false)
	if err = conf.Validate(); err != nil {
		return
	}

	if root.BlobRoot != "" {
		bs, err := ld.GetStorage(root.BlobRoot)
		if err != nil {
			return nil, fmt.Errorf("Root handler's blobRoot of %q error: %v", root.BlobRoot, err)
		}
		root.Storage = bs
	}

	if root.SearchRoot != "" {
		h, _ := ld.GetHandler(root.SearchRoot)
		root.Search = h.(*search.Handler)
	}

	return root, nil
}
示例#2
0
func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (blobserver.Storage, error) {
	blobPrefix := config.RequiredString("blobSource")
	kvConfig := config.RequiredObject("storage")
	if err := config.Validate(); err != nil {
		return nil, err
	}
	kv, err := sorted.NewKeyValue(kvConfig)
	if err != nil {
		return nil, err
	}

	ix, err := New(kv)
	if err != nil {
		return nil, err
	}

	sto, err := ld.GetStorage(blobPrefix)
	if err != nil {
		ix.Close()
		return nil, err
	}
	ix.BlobSource = sto

	// Good enough, for now:
	ix.KeyFetcher = ix.BlobSource

	return ix, err
}
示例#3
0
func newHandlerFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (http.Handler, error) {
	indexPrefix := conf.RequiredString("index") // TODO: add optional help tips here?
	ownerBlobStr := conf.RequiredString("owner")
	devBlockStartupPrefix := conf.OptionalString("devBlockStartupOn", "")
	if err := conf.Validate(); err != nil {
		return nil, err
	}

	if devBlockStartupPrefix != "" {
		_, err := ld.GetHandler(devBlockStartupPrefix)
		if err != nil {
			return nil, fmt.Errorf("search handler references bogus devBlockStartupOn handler %s: %v", devBlockStartupPrefix, err)
		}
	}

	indexHandler, err := ld.GetHandler(indexPrefix)
	if err != nil {
		return nil, fmt.Errorf("search config references unknown handler %q", indexPrefix)
	}
	indexer, ok := indexHandler.(Index)
	if !ok {
		return nil, fmt.Errorf("search config references invalid indexer %q (actually a %T)", indexPrefix, indexHandler)
	}
	ownerBlobRef, ok := blob.Parse(ownerBlobStr)
	if !ok {
		return nil, fmt.Errorf("search 'owner' has malformed blobref %q; expecting e.g. sha1-xxxxxxxxxxxx",
			ownerBlobStr)
	}
	return &Handler{
		index: indexer,
		owner: ownerBlobRef,
	}, nil
}
示例#4
0
func newMongoIndexFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (blobserver.Storage, error) {
	blobPrefix := config.RequiredString("blobSource")
	mgw := &MongoWrapper{
		Servers:    config.OptionalString("host", "localhost"),
		Database:   config.RequiredString("database"),
		User:       config.OptionalString("user", ""),
		Password:   config.OptionalString("password", ""),
		Collection: collectionName,
	}
	if err := config.Validate(); err != nil {
		return nil, err
	}
	sto, err := ld.GetStorage(blobPrefix)
	if err != nil {
		return nil, err
	}

	ix, err := newMongoIndex(mgw)
	if err != nil {
		return nil, err
	}
	ix.BlobSource = sto

	// Good enough, for now:
	ix.KeyFetcher = ix.BlobSource

	if wipe, _ := strconv.ParseBool(os.Getenv("CAMLI_MONGO_WIPE")); wipe {
		err = ix.Storage().Delete("")
		if err != nil {
			return nil, err
		}
	}

	return ix, err
}
示例#5
0
func newFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (storage blobserver.Storage, err error) {
	sto := &condStorage{}

	receive := conf.OptionalStringOrObject("write")
	read := conf.RequiredString("read")
	remove := conf.OptionalString("remove", "")
	if err := conf.Validate(); err != nil {
		return nil, err
	}

	if receive != nil {
		sto.storageForReceive, err = buildStorageForReceive(ld, receive)
		if err != nil {
			return
		}
	}

	sto.read, err = ld.GetStorage(read)
	if err != nil {
		return
	}

	if remove != "" {
		sto.remove, err = ld.GetStorage(remove)
		if err != nil {
			return
		}
	}
	return sto, nil
}
示例#6
0
func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (blobserver.Storage, error) {
	blobPrefix := config.RequiredString("blobSource")
	kvConfig := config.RequiredObject("storage")
	if err := config.Validate(); err != nil {
		return nil, err
	}
	kv, err := sorted.NewKeyValue(kvConfig)
	if err != nil {
		return nil, err
	}
	sto, err := ld.GetStorage(blobPrefix)
	if err != nil {
		return nil, err
	}

	ix, err := New(kv)
	// TODO(mpl): next time we need to do another fix, make a new error
	// type that lets us apply the needed fix depending on its value or
	// something. For now just one value/fix.
	if err == errMissingWholeRef {
		// TODO: maybe we don't want to do that automatically. Brad says
		// we have to think about the case on GCE/CoreOS in particular.
		if err := ix.fixMissingWholeRef(sto); err != nil {
			ix.Close()
			return nil, fmt.Errorf("could not fix missing wholeRef entries: %v", err)
		}
		ix, err = New(kv)
	}
	if err != nil {
		return nil, err
	}
	ix.InitBlobSource(sto)

	return ix, err
}
示例#7
0
func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (blobserver.Storage, error) {
	blobPrefix := config.RequiredString("blobSource")
	file := config.RequiredString("file")
	if err := config.Validate(); err != nil {
		return nil, err
	}

	is, closer, err := NewStorage(file)
	if err != nil {
		return nil, err
	}

	sto, err := ld.GetStorage(blobPrefix)
	if err != nil {
		closer.Close()
		return nil, err
	}

	ix := index.New(is)
	if err != nil {
		return nil, err
	}
	ix.BlobSource = sto

	// Good enough, for now:
	ix.KeyFetcher = ix.BlobSource

	return ix, err
}
示例#8
0
func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (storage blobserver.Storage, err error) {
	var (
		origin        = config.RequiredString("origin")
		cache         = config.RequiredString("cache")
		kvConf        = config.RequiredObject("meta")
		maxCacheBytes = config.OptionalInt64("maxCacheBytes", 512<<20)
	)
	if err := config.Validate(); err != nil {
		return nil, err
	}
	cacheSto, err := ld.GetStorage(cache)
	if err != nil {
		return nil, err
	}
	originSto, err := ld.GetStorage(origin)
	if err != nil {
		return nil, err
	}
	kv, err := sorted.NewKeyValue(kvConf)
	if err != nil {
		return nil, err
	}

	// TODO: enumerate through kv and calculate current size.
	// Maybe also even enumerate through cache to see if they match.
	// Or even: keep it only in memory and not in kv?

	s := &sto{
		origin:        originSto,
		cache:         cacheSto,
		maxCacheBytes: maxCacheBytes,
		kv:            kv,
	}
	return s, nil
}
示例#9
0
func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (bs blobserver.Storage, err error) {
	sto := &storage{
		SimpleBlobHubPartitionMap: &blobserver.SimpleBlobHubPartitionMap{},
	}

	key := config.OptionalString("key", "")
	keyFile := config.OptionalString("keyFile", "")
	switch {
	case key != "":
		sto.key = []byte(key)
	case keyFile != "":
		// TODO: check that keyFile's unix permissions aren't too permissive.
		sto.key, err = ioutil.ReadFile(keyFile)
		if err != nil {
			return
		}
	}
	sto.blobs, err = ld.GetStorage(config.RequiredString("blobs"))
	if err != nil {
		return
	}
	sto.meta, err = ld.GetStorage(config.RequiredString("meta"))
	if err != nil {
		return
	}
	if err := config.Validate(); err != nil {
		return nil, err
	}
	if sto.key == nil {
		// TODO: add a way to prompt from stdin on start? or keychain support?
		return nil, errors.New("no encryption key set with 'key' or 'keyFile'")
	}
	return sto, nil
}
示例#10
0
func indexFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (storage blobserver.Storage, err error) {
	is := &indexStorage{}
	var (
		blobPrefix = config.RequiredString("blobSource")
		ns         = config.OptionalString("namespace", "")
	)
	if err := config.Validate(); err != nil {
		return nil, err
	}
	sto, err := ld.GetStorage(blobPrefix)
	if err != nil {
		return nil, err
	}
	is.ns, err = sanitizeNamespace(ns)
	if err != nil {
		return nil, err
	}

	ix, err := index.New(is)
	if err != nil {
		return nil, err
	}
	ix.BlobSource = sto
	ix.KeyFetcher = ix.BlobSource // TODO(bradfitz): global search? something else?
	return ix, nil
}
示例#11
0
func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (blobserver.Storage, error) {
	blobPrefix := config.RequiredString("blobSource")
	postgresConf, err := postgres.ConfigFromJSON(config)
	if err != nil {
		return nil, err
	}
	kv, err := postgres.NewKeyValue(postgresConf)
	if err != nil {
		return nil, err
	}

	ix, err := index.New(kv)
	if err != nil {
		return nil, err
	}

	sto, err := ld.GetStorage(blobPrefix)
	if err != nil {
		ix.Close()
		return nil, err
	}
	ix.BlobSource = sto
	// Good enough, for now:
	ix.KeyFetcher = ix.BlobSource

	return ix, nil
}
示例#12
0
func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (storage blobserver.Storage, err error) {
	sto := &replicaStorage{
		replicaPrefixes: config.RequiredList("backends"),
	}
	nReplicas := len(sto.replicaPrefixes)
	sto.minWritesForSuccess = config.OptionalInt("minWritesForSuccess", nReplicas)
	if err := config.Validate(); err != nil {
		return nil, err
	}
	if nReplicas == 0 {
		return nil, errors.New("replica: need at least one replica")
	}
	if sto.minWritesForSuccess == 0 {
		sto.minWritesForSuccess = nReplicas
	}
	sto.replicas = make([]blobserver.Storage, nReplicas)
	for i, prefix := range sto.replicaPrefixes {
		replicaSto, err := ld.GetStorage(prefix)
		if err != nil {
			return nil, err
		}
		sto.replicas[i] = replicaSto
	}
	return sto, nil
}
示例#13
0
func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (bs blobserver.Storage, err error) {
	sto := &storage{
		SimpleBlobHubPartitionMap: &blobserver.SimpleBlobHubPartitionMap{},
		index: index.NewMemoryStorage(), // TODO: temporary for development; let be configurable (mysql, etc)
	}
	agreement := config.OptionalString("I_AGREE", "")
	const wantAgreement = "that encryption support hasn't been peer-reviewed, isn't finished, and its format might change."
	if agreement != wantAgreement {
		return nil, errors.New("Use of the 'encrypt' target without the proper I_AGREE value.")
	}

	key := config.OptionalString("key", "")
	keyFile := config.OptionalString("keyFile", "")
	var keyb []byte
	switch {
	case key != "":
		keyb, err = hex.DecodeString(key)
		if err != nil || len(keyb) != 16 {
			return nil, fmt.Errorf("The 'key' parameter must be 16 bytes of 32 hex digits. (currently fixed at AES-128)")
		}
	case keyFile != "":
		// TODO: check that keyFile's unix permissions aren't too permissive.
		keyb, err = ioutil.ReadFile(keyFile)
		if err != nil {
			return nil, fmt.Errorf("Reading key file %v: %v", keyFile, err)
		}
	}
	blobStorage := config.RequiredString("blobs")
	metaStorage := config.RequiredString("meta")
	if err := config.Validate(); err != nil {
		return nil, err
	}

	sto.blobs, err = ld.GetStorage(blobStorage)
	if err != nil {
		return
	}
	sto.meta, err = ld.GetStorage(metaStorage)
	if err != nil {
		return
	}

	if keyb == nil {
		// TODO: add a way to prompt from stdin on start? or keychain support?
		return nil, errors.New("no encryption key set with 'key' or 'keyFile'")
	}

	if err := sto.setKey(keyb); err != nil {
		return nil, err
	}

	log.Printf("Reading encryption metadata...")
	if err := sto.readAllMetaBlobs(); err != nil {
		return nil, fmt.Errorf("Error scanning metadata on start-up: %v", err)
	}
	log.Printf("Read all encryption metadata.")

	return sto, nil
}
示例#14
0
func newStatusFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (h http.Handler, err error) {
	if err := conf.Validate(); err != nil {
		return nil, err
	}
	return &StatusHandler{
		prefix:        ld.MyPrefix(),
		handlerFinder: ld,
	}, nil
}
示例#15
0
func newFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (blobserver.Storage, error) {
	var (
		smallPrefix = conf.RequiredString("smallBlobs")
		largePrefix = conf.RequiredString("largeBlobs")
		metaConf    = conf.RequiredObject("metaIndex")
	)
	if err := conf.Validate(); err != nil {
		return nil, err
	}
	small, err := ld.GetStorage(smallPrefix)
	if err != nil {
		return nil, fmt.Errorf("failed to load smallBlobs at %s: %v", smallPrefix, err)
	}
	large, err := ld.GetStorage(largePrefix)
	if err != nil {
		return nil, fmt.Errorf("failed to load largeBlobs at %s: %v", largePrefix, err)
	}
	largeSubber, ok := large.(subFetcherStorage)
	if !ok {
		return nil, fmt.Errorf("largeBlobs at %q of type %T doesn't support fetching sub-ranges of blobs",
			largePrefix, large)
	}
	meta, err := sorted.NewKeyValue(metaConf)
	if err != nil {
		return nil, fmt.Errorf("failed to setup blobpacked metaIndex: %v", err)
	}
	sto := &storage{
		small: small,
		large: largeSubber,
		meta:  meta,
	}
	sto.init()

	recoveryMu.Lock()
	defer recoveryMu.Unlock()
	if recovery {
		log.Print("Starting recovery of blobpacked index")
		if err := meta.Close(); err != nil {
			return nil, err
		}
		if err := sto.reindex(context.TODO(), func() (sorted.KeyValue, error) {
			return sorted.NewKeyValue(metaConf)
		}); err != nil {
			return nil, err
		}
		return sto, nil
	}
	// Check for a weird state: zip files exist, but no metadata about them
	// is recorded. This is probably a corrupt state, and the user likely
	// wants to recover.
	if !sto.anyMeta() && sto.anyZipPacks() {
		log.Fatal("Error: blobpacked storage detects non-zero packed zips, but no metadata. Please re-start in recovery mode with -recovery.")
	}

	return sto, nil
}
示例#16
0
func newFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (blobserver.Storage, error) {
	var (
		smallPrefix = conf.RequiredString("smallBlobs")
		largePrefix = conf.RequiredString("largeBlobs")
		metaConf    = conf.RequiredObject("metaIndex")
	)
	if err := conf.Validate(); err != nil {
		return nil, err
	}
	small, err := ld.GetStorage(smallPrefix)
	if err != nil {
		return nil, fmt.Errorf("failed to load smallBlobs at %s: %v", smallPrefix, err)
	}
	large, err := ld.GetStorage(largePrefix)
	if err != nil {
		return nil, fmt.Errorf("failed to load largeBlobs at %s: %v", largePrefix, err)
	}
	largeSubber, ok := large.(subFetcherStorage)
	if !ok {
		return nil, fmt.Errorf("largeBlobs at %q of type %T doesn't support fetching sub-ranges of blobs",
			largePrefix, large)
	}
	meta, err := sorted.NewKeyValue(metaConf)
	if err != nil {
		return nil, fmt.Errorf("failed to setup blobpacked metaIndex: %v", err)
	}
	sto := &storage{
		small: small,
		large: largeSubber,
		meta:  meta,
	}
	sto.init()

	// Check for a weird state: zip files exist, but no metadata about them
	// is recorded. This is probably a corrupt state, and the user likely
	// wants to recover.
	if !sto.anyMeta() && sto.anyZipPacks() {
		log.Printf("Warning: blobpacked storage detects non-zero packed zips, but no metadata. Please re-start in recovery mode.")
		// TODO: add a recovery mode.
		// Old TODO was:
		// fail with a "known corrupt" message and refuse to
		// start unless in recovery mode (perhaps a new environment
		// var? or flag passed down?) using StreamBlobs starting at
		// "l:".  Could even do it automatically if total size is
		// small or fast enough? But that's confusing if it only
		// sometimes finishes recovery. We probably want various
		// server start-up modes anyway: "check", "recover", "garbage
		// collect", "readonly".  So might as well introduce that
		// concept now.

		// TODO: test start-up recovery mode, once it works.
	}
	return sto, nil
}
示例#17
0
文件: sig.go 项目: proppy/camlistore
func newJSONSignFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (http.Handler, error) {
	pubKeyDestPrefix := conf.OptionalString("publicKeyDest", "")

	// either a short form ("26F5ABDA") or one the longer forms.
	keyId := conf.RequiredString("keyId")

	h := &Handler{
		secretRing: conf.OptionalString("secretRing", ""),
	}
	var err error
	if err = conf.Validate(); err != nil {
		return nil, err
	}

	h.entity, err = jsonsign.EntityFromSecring(keyId, h.secretRingPath())
	if err != nil {
		return nil, err
	}

	armoredPublicKey, err := jsonsign.ArmoredPublicKey(h.entity)

	ms := new(blobref.MemoryStore)
	h.pubKeyBlobRef, err = ms.AddBlob(crypto.SHA1, armoredPublicKey)
	if err != nil {
		return nil, err
	}
	h.pubKeyFetcher = ms

	if pubKeyDestPrefix != "" {
		sto, err := ld.GetStorage(pubKeyDestPrefix)
		if err != nil {
			return nil, err
		}
		h.pubKeyDest = sto
		if sto != nil {
			if ctxReq, ok := ld.GetRequestContext(); ok {
				if w, ok := sto.(blobserver.ContextWrapper); ok {
					sto = w.WrapContext(ctxReq)
				}
			}
			err := h.uploadPublicKey(sto, armoredPublicKey)
			if err != nil {
				return nil, fmt.Errorf("Error seeding self public key in storage: %v", err)
			}
		}
	}
	h.pubKeyBlobRefServeSuffix = "camli/" + h.pubKeyBlobRef.String()
	h.pubKeyHandler = &gethandler.Handler{
		Fetcher:           ms,
		AllowGlobalAccess: true, // just public keys
	}

	return h, nil
}
示例#18
0
func newJSONSignFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (http.Handler, error) {
	pubKeyDestPrefix := conf.OptionalString("publicKeyDest", "")

	// either a short form ("26F5ABDA") or one the longer forms.
	keyId := conf.RequiredString("keyId")

	h := &Handler{
		secretRing: conf.OptionalString("secretRing", ""),
	}
	var err error
	if err = conf.Validate(); err != nil {
		return nil, err
	}

	h.entity, err = jsonsign.EntityFromSecring(keyId, h.secretRingPath())
	if err != nil {
		return nil, err
	}

	armoredPublicKey, err := jsonsign.ArmoredPublicKey(h.entity)

	ms := new(blob.MemoryStore)
	h.pubKeyBlobRef, err = ms.AddBlob(crypto.SHA1, armoredPublicKey)
	if err != nil {
		return nil, err
	}
	h.pubKeyFetcher = ms

	if pubKeyDestPrefix != "" {
		sto, err := ld.GetStorage(pubKeyDestPrefix)
		if err != nil {
			return nil, err
		}
		h.pubKeyDest = sto
		if sto != nil {
			err := h.uploadPublicKey(sto, armoredPublicKey)
			if err != nil {
				return nil, fmt.Errorf("Error seeding self public key in storage: %v", err)
			}
		}
	}
	h.pubKeyBlobRefServeSuffix = "camli/" + h.pubKeyBlobRef.String()
	h.pubKeyHandler = &gethandler.Handler{
		Fetcher: ms,
	}

	h.signer, err = schema.NewSigner(h.pubKeyBlobRef, strings.NewReader(armoredPublicKey), h.entity)
	if err != nil {
		return nil, err
	}

	return h, nil
}
示例#19
0
文件: root.go 项目: splade/camlistore
func newRootFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (h http.Handler, err error) {
	root := &RootHandler{}
	root.Stealth = conf.OptionalBool("stealth", false)
	if err = conf.Validate(); err != nil {
		return
	}

	if _, h, err := ld.FindHandlerByType("ui"); err == nil {
		root.ui = h.(*UIHandler)
	}

	return root, nil
}
示例#20
0
func newJSONSignFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (http.Handler, error) {
	var (
		// either a short form ("26F5ABDA") or one the longer forms.
		keyId = conf.RequiredString("keyId")

		pubKeyDestPrefix = conf.OptionalString("publicKeyDest", "")
		secretRing       = conf.OptionalString("secretRing", "")
	)
	if err := conf.Validate(); err != nil {
		return nil, err
	}

	h := &Handler{
		secretRing: secretRing,
	}

	var err error
	h.entity, err = jsonsign.EntityFromSecring(keyId, h.secretRingPath())
	if err != nil {
		return nil, err
	}

	h.pubKey, err = jsonsign.ArmoredPublicKey(h.entity)

	ms := &memory.Storage{}
	h.pubKeyBlobRef = blob.SHA1FromString(h.pubKey)
	if _, err := ms.ReceiveBlob(h.pubKeyBlobRef, strings.NewReader(h.pubKey)); err != nil {
		return nil, fmt.Errorf("could not store pub key blob: %v", err)
	}
	h.pubKeyFetcher = ms

	if pubKeyDestPrefix != "" {
		sto, err := ld.GetStorage(pubKeyDestPrefix)
		if err != nil {
			return nil, err
		}
		h.pubKeyDest = sto
	}
	h.pubKeyBlobRefServeSuffix = "camli/" + h.pubKeyBlobRef.String()
	h.pubKeyHandler = &gethandler.Handler{
		Fetcher: ms,
	}

	h.signer, err = schema.NewSigner(h.pubKeyBlobRef, strings.NewReader(h.pubKey), h.entity)
	if err != nil {
		return nil, err
	}

	return h, nil
}
示例#21
0
文件: sync.go 项目: hagna/camlistore
func newSyncFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (h http.Handler, err error) {
	from := conf.RequiredString("from")
	to := conf.RequiredString("to")
	fullSync := conf.OptionalBool("fullSyncOnStart", false)
	blockFullSync := conf.OptionalBool("blockingFullSyncOnStart", false)
	if err = conf.Validate(); err != nil {
		return
	}
	fromBs, err := ld.GetStorage(from)
	if err != nil {
		return
	}
	toBs, err := ld.GetStorage(to)
	if err != nil {
		return
	}
	fromQsc, ok := fromBs.(blobserver.StorageQueueCreator)
	if !ok {
		return nil, fmt.Errorf("Prefix %s (type %T) does not support being efficient replication source (queueing)", from, fromBs)
	}
	synch, err := createSyncHandler(from, to, fromQsc, toBs)
	if err != nil {
		return
	}

	if fullSync || blockFullSync {
		didFullSync := make(chan bool, 1)
		go func() {
			n := synch.runSync("queue", fromQsc, 0)
			log.Printf("Queue sync copied %d blobs", n)
			n = synch.runSync("full", fromBs, 0)
			log.Printf("Full sync copied %d blobs", n)
			didFullSync <- true
			synch.syncQueueLoop()
		}()
		if blockFullSync {
			log.Printf("Blocking startup, waiting for full sync from %q to %q", from, to)
			<-didFullSync
			log.Printf("Full sync complete.")
		}
	} else {
		go synch.syncQueueLoop()
	}

	rootPrefix, _, err := ld.FindHandlerByType("root")
	switch err {
	case blobserver.ErrHandlerTypeNotFound:
		// ignore; okay to not have a root handler.
	case nil:
		h, err := ld.GetHandler(rootPrefix)
		if err != nil {
			return nil, err
		}
		h.(*RootHandler).registerSyncHandler(synch)
	default:
		return nil, fmt.Errorf("Error looking for root handler: %v", err)
	}
	return synch, nil
}
示例#22
0
func newMemoryIndexFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (blobserver.Storage, error) {
	blobPrefix := config.RequiredString("blobSource")
	if err := config.Validate(); err != nil {
		return nil, err
	}
	sto, err := ld.GetStorage(blobPrefix)
	if err != nil {
		return nil, err
	}

	ix := NewMemoryIndex()
	ix.InitBlobSource(sto)

	return ix, err
}
示例#23
0
func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (blobserver.Storage, error) {
	var (
		blobPrefix = config.RequiredString("blobSource")
		host       = config.OptionalString("host", "localhost")
		user       = config.RequiredString("user")
		password   = config.OptionalString("password", "")
		database   = config.RequiredString("database")
	)
	if err := config.Validate(); err != nil {
		return nil, err
	}
	sto, err := ld.GetStorage(blobPrefix)
	if err != nil {
		return nil, err
	}
	isto, err := NewStorage(host, user, password, database)
	if err != nil {
		return nil, err
	}
	is := isto.(*myIndexStorage)
	if err := is.ping(); err != nil {
		return nil, err
	}

	version, err := is.SchemaVersion()
	if err != nil {
		return nil, fmt.Errorf("error getting schema version (need to init database?): %v", err)
	}
	if version != requiredSchemaVersion {
		if version == 20 && requiredSchemaVersion == 21 {
			fmt.Fprintf(os.Stderr, fixSchema20to21)
		}
		if os.Getenv("CAMLI_DEV_CAMLI_ROOT") != "" {
			// Good signal that we're using the devcam server, so help out
			// the user with a more useful tip:
			return nil, fmt.Errorf("database schema version is %d; expect %d (run \"devcam server --wipe\" to wipe both your blobs and re-populate the database schema)", version, requiredSchemaVersion)
		}
		return nil, fmt.Errorf("database schema version is %d; expect %d (need to re-init/upgrade database?)",
			version, requiredSchemaVersion)
	}

	ix := index.New(is)
	ix.BlobSource = sto
	// Good enough, for now:
	ix.KeyFetcher = ix.BlobSource

	return ix, nil
}
示例#24
0
文件: root.go 项目: sfrdmn/camlistore
func newRootFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (h http.Handler, err error) {
	username, _ := getUserName()
	root := &RootHandler{
		BlobRoot:   conf.OptionalString("blobRoot", ""),
		SearchRoot: conf.OptionalString("searchRoot", ""),
		OwnerName:  conf.OptionalString("ownerName", username),
		Username:   osutil.Username(),
		Prefix:     ld.MyPrefix(),
	}
	root.Stealth = conf.OptionalBool("stealth", false)
	root.statusRoot = conf.OptionalString("statusRoot", "")
	if err = conf.Validate(); err != nil {
		return
	}

	if root.BlobRoot != "" {
		bs, err := ld.GetStorage(root.BlobRoot)
		if err != nil {
			return nil, fmt.Errorf("Root handler's blobRoot of %q error: %v", root.BlobRoot, err)
		}
		root.Storage = bs
	}

	root.searchInit = func() {}
	if root.SearchRoot != "" {
		prefix := root.SearchRoot
		if t := ld.GetHandlerType(prefix); t != "search" {
			if t == "" {
				return nil, fmt.Errorf("root handler's searchRoot of %q is invalid and doesn't refer to a declared handler", prefix)
			}
			return nil, fmt.Errorf("root handler's searchRoot of %q is of type %q, not %q", prefix, t, "search")
		}
		root.searchInit = func() {
			h, err := ld.GetHandler(prefix)
			if err != nil {
				log.Fatalf("Error fetching SearchRoot at %q: %v", prefix, err)
			}
			root.searchHandler = h.(*search.Handler)
			root.searchInit = nil
		}
	}

	if pfx, _, _ := ld.FindHandlerByType("importer"); err == nil {
		root.importerRoot = pfx
	}

	return root, nil
}
示例#25
0
func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (blobserver.Storage, error) {
	var (
		blobPrefix = config.RequiredString("blobSource")
		file       = config.RequiredString("file")
	)
	if err := config.Validate(); err != nil {
		return nil, err
	}
	sto, err := ld.GetStorage(blobPrefix)
	if err != nil {
		return nil, err
	}
	fi, err := os.Stat(file)
	if os.IsNotExist(err) || (err == nil && fi.Size() == 0) {
		return nil, fmt.Errorf(`You need to initialize your SQLite index database with: camtool dbinit --dbname=%s --dbtype=sqlite`, file)
	}
	isto, err := NewStorage(file)
	if err != nil {
		return nil, err
	}
	is := isto.(*storage)

	version, err := is.SchemaVersion()
	if err != nil {
		return nil, fmt.Errorf("error getting schema version (need to init database with 'camtool dbinit %s'?): %v", file, err)
	}

	if err := is.ping(); err != nil {
		return nil, err
	}

	if version != requiredSchemaVersion {
		if os.Getenv("CAMLI_ADVERTISED_PASSWORD") != "" {
			// Good signal that we're using the dev-server script, so help out
			// the user with a more useful tip:
			return nil, fmt.Errorf("database schema version is %d; expect %d (run \"./dev-server --wipe\" to wipe both your blobs and re-populate the database schema)", version, requiredSchemaVersion)
		}
		return nil, fmt.Errorf("database schema version is %d; expect %d (need to re-init/upgrade database?)",
			version, requiredSchemaVersion)
	}

	ix := index.New(is)
	ix.BlobSource = sto
	// Good enough, for now:
	ix.KeyFetcher = ix.BlobSource

	return ix, nil
}
示例#26
0
func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (storage blobserver.Storage, err error) {
	sto := &nsto{}
	invConf := config.RequiredObject("inventory")
	masterName := config.RequiredString("storage")
	if err := config.Validate(); err != nil {
		return nil, err
	}
	sto.inventory, err = sorted.NewKeyValue(invConf)
	if err != nil {
		return nil, fmt.Errorf("Invalid 'inventory' configuration: %v", err)
	}
	sto.master, err = ld.GetStorage(masterName)
	if err != nil {
		return nil, fmt.Errorf("Invalid 'storage' configuration: %v", err)
	}
	return sto, nil
}
示例#27
0
func newSyncFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (h http.Handler, err error) {
	from := conf.RequiredString("from")
	to := conf.RequiredString("to")
	fullSync := conf.OptionalBool("fullSyncOnStart", false)
	blockFullSync := conf.OptionalBool("blockingFullSyncOnStart", false)
	if err = conf.Validate(); err != nil {
		return
	}
	fromBs, err := ld.GetStorage(from)
	if err != nil {
		return
	}
	toBs, err := ld.GetStorage(to)
	if err != nil {
		return
	}
	fromQsc, ok := fromBs.(blobserver.StorageQueueCreator)
	if !ok {
		return nil, fmt.Errorf("Prefix %s (type %T) does not support being efficient replication source (queueing)", from, fromBs)
	}
	synch, err := createSyncHandler(from, to, fromQsc, toBs)
	if err != nil {
		return
	}

	if fullSync || blockFullSync {
		didFullSync := make(chan bool, 1)
		go func() {
			n := synch.runSync("queue", fromQsc, 0)
			log.Printf("Queue sync copied %d blobs", n)
			n = synch.runSync("full", fromBs, 0)
			log.Printf("Full sync copied %d blobs", n)
			didFullSync <- true
			synch.syncQueueLoop()
		}()
		if blockFullSync {
			log.Printf("Blocking startup, waiting for full sync from %q to %q", from, to)
			<-didFullSync
			log.Printf("Full sync complete.")
		}
	} else {
		go synch.syncQueueLoop()
	}
	return synch, nil
}
示例#28
0
func newMemoryIndexFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (blobserver.Storage, error) {
	blobPrefix := config.RequiredString("blobSource")
	if err := config.Validate(); err != nil {
		return nil, err
	}
	sto, err := ld.GetStorage(blobPrefix)
	if err != nil {
		return nil, err
	}

	ix := NewMemoryIndex()
	ix.BlobSource = sto

	// Good enough, for now:
	ix.KeyFetcher = ix.BlobSource

	return ix, err
}
示例#29
0
func newHandlerFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (http.Handler, error) {
	indexPrefix := conf.RequiredString("index") // TODO: add optional help tips here?
	ownerBlobStr := conf.RequiredString("owner")
	devBlockStartupPrefix := conf.OptionalString("devBlockStartupOn", "")
	slurpToMemory := conf.OptionalBool("slurpToMemory", false)
	if err := conf.Validate(); err != nil {
		return nil, err
	}

	if devBlockStartupPrefix != "" {
		_, err := ld.GetHandler(devBlockStartupPrefix)
		if err != nil {
			return nil, fmt.Errorf("search handler references bogus devBlockStartupOn handler %s: %v", devBlockStartupPrefix, err)
		}
	}

	indexHandler, err := ld.GetHandler(indexPrefix)
	if err != nil {
		return nil, fmt.Errorf("search config references unknown handler %q", indexPrefix)
	}
	indexer, ok := indexHandler.(index.Interface)
	if !ok {
		return nil, fmt.Errorf("search config references invalid indexer %q (actually a %T)", indexPrefix, indexHandler)
	}
	ownerBlobRef, ok := blob.Parse(ownerBlobStr)
	if !ok {
		return nil, fmt.Errorf("search 'owner' has malformed blobref %q; expecting e.g. sha1-xxxxxxxxxxxx",
			ownerBlobStr)
	}
	h := NewHandler(indexer, ownerBlobRef)
	if slurpToMemory {
		ii := indexer.(*index.Index)
		ii.Lock()
		corpus, err := ii.KeepInMemory()
		if err != nil {
			ii.Unlock()
			return nil, fmt.Errorf("error slurping index to memory: %v", err)
		}
		h.SetCorpus(corpus)
		ii.Unlock()
	}
	return h, nil
}
示例#30
0
func newFromConfig(ld blobserver.Loader, cfg jsonconfig.Obj) (http.Handler, error) {
	h := &Host{
		baseURL:      ld.BaseURL(),
		importerBase: ld.BaseURL() + ld.MyPrefix(),
		imp:          make(map[string]*importer),
	}
	for k, impl := range importers {
		h.importers = append(h.importers, k)
		var clientID, clientSecret string
		if impConf := cfg.OptionalObject(k); impConf != nil {
			clientID = impConf.OptionalString("clientID", "")
			clientSecret = impConf.OptionalString("clientSecret", "")
			// Special case: allow clientSecret to be of form "clientID:clientSecret"
			// if the clientID is empty.
			if clientID == "" && strings.Contains(clientSecret, ":") {
				if f := strings.SplitN(clientSecret, ":", 2); len(f) == 2 {
					clientID, clientSecret = f[0], f[1]
				}
			}
			if err := impConf.Validate(); err != nil {
				return nil, fmt.Errorf("Invalid static configuration for importer %q: %v", k, err)
			}
		}
		if clientSecret != "" && clientID == "" {
			return nil, fmt.Errorf("Invalid static configuration for importer %q: clientSecret specified without clientID", k)
		}
		imp := &importer{
			host:         h,
			name:         k,
			impl:         impl,
			clientID:     clientID,
			clientSecret: clientSecret,
		}
		h.imp[k] = imp
	}

	if err := cfg.Validate(); err != nil {
		return nil, err
	}

	sort.Strings(h.importers)
	return h, nil
}