fix fuse mounting issues

this time, without loading the private key on every startup

cmd/ipfs/init.go

@@ -11,6 +11,7 @@ import (
 	core "github.com/jbenet/go-ipfs/core"
 	corecmds "github.com/jbenet/go-ipfs/core/commands"
 	coreunix "github.com/jbenet/go-ipfs/core/coreunix"
+	ipns "github.com/jbenet/go-ipfs/fuse/ipns"
 	ci "github.com/jbenet/go-ipfs/p2p/crypto"
 	peer "github.com/jbenet/go-ipfs/p2p/peer"
 	repo "github.com/jbenet/go-ipfs/repo"
@@ -110,6 +111,11 @@ func doInit(repoRoot string, force bool, nBitsForKeypair int) (interface{}, erro
 		return nil, err
 	}
 
+	err = initializeIpnsKeyspace(repoRoot)
+	if err != nil {
+		return nil, err
+	}
+
 	return nil, nil
 }
 
@@ -138,6 +144,29 @@ func addTheWelcomeFile(repoRoot string) error {
 	return nil
 }
 
+func initializeIpnsKeyspace(repoRoot string) error {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	r := fsrepo.At(repoRoot)
+	if err := r.Open(); err != nil { // NB: repo is owned by the node
+		return err
+	}
+
+	nd, err := core.NewIPFSNode(ctx, core.Offline(r))
+	if err != nil {
+		return err
+	}
+	defer nd.Close()
+
+	err = nd.SetupOfflineRouting()
+	if err != nil {
+		return err
+	}
+
+	return ipns.InitializeKeyspace(nd, nd.PrivateKey)
+}
+
 func datastoreConfig() (*config.Datastore, error) {
 	dspath, err := config.DataStorePath("")
 	if err != nil {

core/core.go

@@ -34,9 +34,10 @@ import (
 	config "github.com/jbenet/go-ipfs/repo/config"
 	routing "github.com/jbenet/go-ipfs/routing"
 	dht "github.com/jbenet/go-ipfs/routing/dht"
+	offroute "github.com/jbenet/go-ipfs/routing/offline"
+	eventlog "github.com/jbenet/go-ipfs/thirdparty/eventlog"
 	util "github.com/jbenet/go-ipfs/util"
 	debugerror "github.com/jbenet/go-ipfs/util/debugerror"
-	eventlog "github.com/jbenet/go-ipfs/thirdparty/eventlog"
 	lgbl "github.com/jbenet/go-ipfs/util/eventlog/loggables"
 )
 
@@ -350,6 +351,17 @@ func (n *IpfsNode) loadPrivateKey() error {
 
 	n.PrivateKey = sk
 	n.Peerstore.AddPrivKey(n.Identity, n.PrivateKey)
+	n.Peerstore.AddPubKey(n.Identity, sk.GetPublic())
+	return nil
+}
+
+func (n *IpfsNode) SetupOfflineRouting() error {
+	err := n.loadPrivateKey()
+	if err != nil {
+		return err
+	}
+
+	n.Routing = offroute.NewOfflineRouter(n.Repo.Datastore(), n.PrivateKey)
 	return nil
 }
 

fuse/ipns/ipns_unix.go

@@ -16,6 +16,7 @@ import (
 	core "github.com/jbenet/go-ipfs/core"
 	chunk "github.com/jbenet/go-ipfs/importer/chunk"
 	mdag "github.com/jbenet/go-ipfs/merkledag"
+	nsys "github.com/jbenet/go-ipfs/namesys"
 	ci "github.com/jbenet/go-ipfs/p2p/crypto"
 	ft "github.com/jbenet/go-ipfs/unixfs"
 	uio "github.com/jbenet/go-ipfs/unixfs/io"
@@ -32,6 +33,22 @@ var (
 	longRepublishTimeout  = time.Millisecond * 500
 )
 
+func InitializeKeyspace(n *core.IpfsNode, key ci.PrivKey) error {
+	emptyDir := &mdag.Node{Data: ft.FolderPBData()}
+	k, err := n.DAG.Add(emptyDir)
+	if err != nil {
+		return err
+	}
+
+	pub := nsys.NewRoutingPublisher(n.Routing)
+	err = pub.Publish(key, k.B58String())
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
 // FileSystem is the readwrite IPNS Fuse Filesystem.
 type FileSystem struct {
 	Ipfs     *core.IpfsNode

routing/dht/dht.go

@@ -10,6 +10,7 @@ import (
 	"sync"
 	"time"
 
+	ci "github.com/jbenet/go-ipfs/p2p/crypto"
 	host "github.com/jbenet/go-ipfs/p2p/host"
 	peer "github.com/jbenet/go-ipfs/p2p/peer"
 	protocol "github.com/jbenet/go-ipfs/p2p/protocol"
@@ -234,9 +235,23 @@ func (dht *IpfsDHT) getLocal(key u.Key) ([]byte, error) {
 	return rec.GetValue(), nil
 }
 
+func (dht *IpfsDHT) getOwnPrivateKey() (ci.PrivKey, error) {
+	sk := dht.peerstore.PrivKey(dht.self)
+	if sk == nil {
+		log.Errorf("%s dht cannot get own private key!", dht.self)
+		return nil, fmt.Errorf("cannot get private key to sign record!")
+	}
+	return sk, nil
+}
+
 // putLocal stores the key value pair in the datastore
 func (dht *IpfsDHT) putLocal(key u.Key, value []byte) error {
-	rec, err := dht.makePutRecord(key, value)
+	sk, err := dht.getOwnPrivateKey()
+	if err != nil {
+		return err
+	}
+
+	rec, err := MakePutRecord(sk, key, value)
 	if err != nil {
 		return err
 	}

routing/dht/ext_test.go

@@ -98,7 +98,13 @@ func TestGetFailures(t *testing.T) {
 	{
 		typ := pb.Message_GET_VALUE
 		str := "hello"
-		rec, err := d.makePutRecord(u.Key(str), []byte("blah"))
+
+		sk, err := d.getOwnPrivateKey()
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		rec, err := MakePutRecord(sk, u.Key(str), []byte("blah"))
 		if err != nil {
 			t.Fatal(err)
 		}

routing/dht/records.go

@@ -43,20 +43,20 @@ func RecordBlobForSig(r *pb.Record) []byte {
 }
 
 // creates and signs a dht record for the given key/value pair
-func (dht *IpfsDHT) makePutRecord(key u.Key, value []byte) (*pb.Record, error) {
+func MakePutRecord(sk ci.PrivKey, key u.Key, value []byte) (*pb.Record, error) {
 	record := new(pb.Record)
 
 	record.Key = proto.String(string(key))
 	record.Value = value
-	record.Author = proto.String(string(dht.self))
-	blob := RecordBlobForSig(record)
 
-	sk := dht.peerstore.PrivKey(dht.self)
-	if sk == nil {
-		log.Errorf("%s dht cannot get own private key!", dht.self)
-		return nil, fmt.Errorf("cannot get private key to sign record!")
+	pkh, err := sk.GetPublic().Hash()
+	if err != nil {
+		return nil, err
 	}
 
+	record.Author = proto.String(string(pkh))
+	blob := RecordBlobForSig(record)
+
 	sig, err := sk.Sign(blob)
 	if err != nil {
 		return nil, err

routing/dht/routing.go

@@ -36,7 +36,12 @@ func (dht *IpfsDHT) PutValue(ctx context.Context, key u.Key, value []byte) error
 		return err
 	}
 
-	rec, err := dht.makePutRecord(key, value)
+	sk, err := dht.getOwnPrivateKey()
+	if err != nil {
+		return err
+	}
+
+	rec, err := MakePutRecord(sk, key, value)
 	if err != nil {
 		log.Error("Creation of record failed!")
 		return err
@@ -75,6 +80,8 @@ func (dht *IpfsDHT) GetValue(ctx context.Context, key u.Key) ([]byte, error) {
 	if err == nil {
 		log.Debug("have it locally")
 		return val, nil
+	} else {
+		log.Debug("failed to get value locally: %s", err)
 	}
 
 	// get closest peers in the routing table

routing/offline/offline.go

@@ -0,0 +1,89 @@
+package offline
+
+import (
+	"errors"
+	"time"
+
+	context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context"
+	"github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/goprotobuf/proto"
+	ds "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore"
+	ci "github.com/jbenet/go-ipfs/p2p/crypto"
+	"github.com/jbenet/go-ipfs/p2p/peer"
+	routing "github.com/jbenet/go-ipfs/routing"
+	dht "github.com/jbenet/go-ipfs/routing/dht"
+	pb "github.com/jbenet/go-ipfs/routing/dht/pb"
+	eventlog "github.com/jbenet/go-ipfs/thirdparty/eventlog"
+	u "github.com/jbenet/go-ipfs/util"
+)
+
+var log = eventlog.Logger("offlinerouting")
+
+var ErrOffline = errors.New("routing system in offline mode")
+
+func NewOfflineRouter(dstore ds.Datastore, privkey ci.PrivKey) routing.IpfsRouting {
+	return &offlineRouting{
+		datastore: dstore,
+		sk:        privkey,
+	}
+}
+
+type offlineRouting struct {
+	datastore ds.Datastore
+	sk        ci.PrivKey
+}
+
+func (c *offlineRouting) PutValue(ctx context.Context, key u.Key, val []byte) error {
+	rec, err := dht.MakePutRecord(c.sk, key, val)
+	if err != nil {
+		return err
+	}
+	data, err := proto.Marshal(rec)
+	if err != nil {
+		return err
+	}
+
+	return c.datastore.Put(key.DsKey(), data)
+}
+
+func (c *offlineRouting) GetValue(ctx context.Context, key u.Key) ([]byte, error) {
+	v, err := c.datastore.Get(key.DsKey())
+	if err != nil {
+		return nil, err
+	}
+
+	byt, ok := v.([]byte)
+	if !ok {
+		return nil, errors.New("value stored in datastore not []byte")
+	}
+	rec := new(pb.Record)
+	err = proto.Unmarshal(byt, rec)
+	if err != nil {
+		return nil, err
+	}
+
+	return rec.GetValue(), nil
+}
+
+func (c *offlineRouting) FindProviders(ctx context.Context, key u.Key) ([]peer.PeerInfo, error) {
+	return nil, ErrOffline
+}
+
+func (c *offlineRouting) FindPeer(ctx context.Context, pid peer.ID) (peer.PeerInfo, error) {
+	return peer.PeerInfo{}, ErrOffline
+}
+
+func (c *offlineRouting) FindProvidersAsync(ctx context.Context, k u.Key, max int) <-chan peer.PeerInfo {
+	out := make(chan peer.PeerInfo)
+	close(out)
+	return out
+}
+
+func (c *offlineRouting) Provide(_ context.Context, key u.Key) error {
+	return ErrOffline
+}
+
+func (c *offlineRouting) Ping(ctx context.Context, p peer.ID) (time.Duration, error) {
+	return 0, ErrOffline
+}
+
+var _ routing.IpfsRouting = &offlineRouting{}