Exemplo n.º 1
0
func localRangeKeyPrint(key roachpb.Key) string {
	var buf bytes.Buffer

	for _, s := range rangeSuffixDict {
		if s.atEnd {
			if bytes.HasSuffix(key, s.suffix) {
				key = key[:len(key)-len(s.suffix)]
				fmt.Fprintf(&buf, "%s/%s", decodeKeyPrint(key), s.name)
				return buf.String()
			}
		} else {
			begin := bytes.Index(key, s.suffix)
			if begin > 0 {
				addrKey := key[:begin]
				txnID, err := uuid.FromBytes(key[(begin + len(s.suffix)):])
				if err != nil {
					return fmt.Sprintf("/%q/err:%v", key, err)
				}
				fmt.Fprintf(&buf, "%s/%s/addrKey:/id:%q", decodeKeyPrint(addrKey), s.name, txnID)
				return buf.String()
			}
		}
	}
	fmt.Fprintf(&buf, "%s", decodeKeyPrint(key))

	return buf.String()
}
Exemplo n.º 2
0
func abortCacheKeyPrint(key roachpb.Key) string {
	_, id, err := encoding.DecodeBytesAscending([]byte(key), nil)
	if err != nil {
		return fmt.Sprintf("/%q/err:%v", key, err)
	}

	txnID, err := uuid.FromBytes(id)
	if err != nil {
		return fmt.Sprintf("/%q/err:%v", key, err)
	}

	return fmt.Sprintf("/%q", txnID)
}
Exemplo n.º 3
0
// DecodeAbortCacheKey decodes the provided abort cache entry,
// returning the transaction ID.
func DecodeAbortCacheKey(key roachpb.Key, dest []byte) (*uuid.UUID, error) {
	_, _, suffix, detail, err := DecodeRangeIDKey(key)
	if err != nil {
		return nil, err
	}
	if !bytes.Equal(suffix, LocalAbortCacheSuffix) {
		return nil, errors.Errorf("key %s does not contain the abort cache suffix %s",
			key, LocalAbortCacheSuffix)
	}
	// Decode the id.
	detail, idBytes, err := encoding.DecodeBytesAscending(detail, dest)
	if err != nil {
		return nil, err
	}
	if len(detail) > 0 {
		return nil, errors.Errorf("key %q has leftover bytes after decode: %s; indicates corrupt key", key, detail)
	}
	txnID, err := uuid.FromBytes(idBytes)
	return txnID, err
}
Exemplo n.º 4
0
func TestTransactionString(t *testing.T) {
	txnID, err := uuid.FromBytes([]byte("ת\x0f^\xe4-Fؽ\xf7\x16\xe4\xf9\xbe^\xbe"))
	if err != nil {
		t.Fatal(err)
	}
	ts1 := hlc.Timestamp{WallTime: 10, Logical: 11}
	txn := roachpb.Transaction{
		TxnMeta: enginepb.TxnMeta{
			Isolation: enginepb.SERIALIZABLE,
			Key:       roachpb.Key("foo"),
			ID:        &txnID,
			Epoch:     2,
			Timestamp: hlc.Timestamp{WallTime: 20, Logical: 21},
			Priority:  957356782,
		},
		Name:          "name",
		Status:        roachpb.COMMITTED,
		LastHeartbeat: &ts1,
		OrigTimestamp: hlc.Timestamp{WallTime: 30, Logical: 31},
		MaxTimestamp:  hlc.Timestamp{WallTime: 40, Logical: 41},
	}
	expStr := `"name" id=d7aa0f5e key="foo" rw=false pri=44.58039917 iso=SERIALIZABLE stat=COMMITTED ` +
		`epo=2 ts=0.000000020,21 orig=0.000000030,31 max=0.000000040,41 wto=false rop=false`

	if str := txn.String(); str != expStr {
		t.Errorf("expected txn %s; got %s", expStr, str)
	}

	var txnEmpty roachpb.Transaction
	_ = txnEmpty.String() // prevent regression of NPE

	cmd := storagebase.RaftCommand{
		BatchRequest: &roachpb.BatchRequest{},
	}
	cmd.BatchRequest.Txn = &txn
	if actStr, idStr := fmt.Sprintf("%s", &cmd), txnID.String(); !strings.Contains(actStr, idStr) {
		t.Fatalf("expected to find '%s' in '%s'", idStr, actStr)
	}
}
Exemplo n.º 5
0
// connectGossip connects to gossip network and reads cluster ID. If
// this node is already part of a cluster, the cluster ID is verified
// for a match. If not part of a cluster, the cluster ID is set. The
// node's address is gossiped with node ID as the gossip key.
func (n *Node) connectGossip(ctx context.Context) {
	log.Infof(ctx, "connecting to gossip network to verify cluster ID...")
	// No timeout or stop condition is needed here. Log statements should be
	// sufficient for diagnosing this type of condition.
	<-n.storeCfg.Gossip.Connected

	uuidBytes, err := n.storeCfg.Gossip.GetInfo(gossip.KeyClusterID)
	if err != nil {
		log.Fatalf(ctx, "unable to ascertain cluster ID from gossip network: %s", err)
	}
	gossipClusterID, err := uuid.FromBytes(uuidBytes)
	if err != nil {
		log.Fatalf(ctx, "unable to ascertain cluster ID from gossip network: %s", err)
	}

	if n.ClusterID == (uuid.UUID{}) {
		n.ClusterID = gossipClusterID
	} else if n.ClusterID != gossipClusterID {
		log.Fatalf(ctx, "node %d belongs to cluster %q but is attempting to connect to a gossip network for cluster %q",
			n.Descriptor.NodeID, n.ClusterID, gossipClusterID)
	}
	log.Infof(ctx, "node connected via gossip and verified as part of cluster %q", gossipClusterID)
}
Exemplo n.º 6
0
				uv, err := uuid.FromString(s)
				if err != nil {
					return nil, err
				}
				return NewDBytes(DBytes(uv.GetBytes())), nil
			},
		},
	},

	"from_uuid": {
		Builtin{
			Types:      ArgTypes{TypeBytes},
			ReturnType: TypeString,
			fn: func(_ *EvalContext, args DTuple) (Datum, error) {
				b := []byte(*args[0].(*DBytes))
				uv, err := uuid.FromBytes(b)
				if err != nil {
					return nil, err
				}
				return NewDString(uv.String()), nil
			},
		},
	},

	"from_ip": {
		Builtin{
			Types:      ArgTypes{TypeBytes},
			ReturnType: TypeString,
			fn: func(_ *EvalContext, args DTuple) (Datum, error) {
				ipstr := args[0].(*DBytes)
				nboip := net.IP(*ipstr)