Ejemplo n.º 1
0
func TestParseError(t *testing.T) {
	assert := assert.New(t)

	assertParseError := func(s string) {
		e := d.Try(func() { Parse(s) })
		_, ok := e.(d.WrappedError)
		assert.True(ok)
	}

	assertParseError("foo")

	// too few digits
	assertParseError("0000000000000000000000000000000")

	// too many digits
	assertParseError("000000000000000000000000000000000")

	// 'w' not valid base32
	assertParseError("00000000000000000000000000000000w")

	// no prefix
	assertParseError("sha1-00000000000000000000000000000000")
	assertParseError("sha2-00000000000000000000000000000000")

	r := Parse("00000000000000000000000000000000")
	assert.NotNil(r)
}
Ejemplo n.º 2
0
func main() {
	spec.RegisterDatabaseFlags()
	cpuCount := runtime.NumCPU()
	runtime.GOMAXPROCS(cpuCount)

	flag.Usage = func() {
		fmt.Fprintln(os.Stderr, "Usage: csv-export [options] dataset > filename")
		flag.PrintDefaults()
	}

	flag.Parse()

	if flag.NArg() != 1 {
		util.CheckError(errors.New("expected dataset arg"))
	}

	ds, err := spec.GetDataset(flag.Arg(0))
	util.CheckError(err)

	defer ds.Database().Close()

	comma, err := csv.StringToRune(*delimiter)
	util.CheckError(err)

	err = d.Try(func() {
		defer profile.MaybeStartProfile().Stop()

		nomsList, structDesc := csv.ValueToListAndElemDesc(ds.HeadValue(), ds.Database())
		csv.Write(nomsList, structDesc, comma, os.Stdout)
	})
	if err != nil {
		fmt.Println("Failed to export dataset as CSV:")
		fmt.Println(err)
	}
}
Ejemplo n.º 3
0
func (suite *FileTestSuite) TestNoCopyDir() {
	dir, err := ioutil.TempDir(suite.dir, "")
	suite.NoError(err)

	dst := filepath.Join(suite.dir, "dst")
	suite.Error(d.Try(func() { DumbCopy(dir, dst) }))
}
Ejemplo n.º 4
0
func HandleGetRefs(w http.ResponseWriter, req *http.Request, ps URLParams, cs chunks.ChunkStore) {
	err := d.Try(func() {
		d.Exp.Equal("POST", req.Method)

		hashes := extractHashes(req)

		w.Header().Add("Content-Type", "application/octet-stream")
		writer := respWriter(req, w)
		defer writer.Close()

		sz := chunks.NewSerializer(writer)
		for _, h := range hashes {
			c := cs.Get(h)
			if !c.IsEmpty() {
				sz.Put(c)
			}
		}
		sz.Close()
	})

	if err != nil {
		http.Error(w, fmt.Sprintf("Error: %v", err), http.StatusBadRequest)
		return
	}
}
Ejemplo n.º 5
0
func (spec databaseSpec) Database() (ds datas.Database, err error) {
	switch spec.Protocol {
	case "http", "https":
		err = d.Unwrap(d.Try(func() {
			ds = datas.NewRemoteDatabase(spec.String(), "Bearer "+spec.accessToken)
		}))
	case "ldb":
		err = d.Unwrap(d.Try(func() {
			ds = datas.NewDatabase(getLDBStore(spec.Path))
		}))
	case "mem":
		ds = datas.NewDatabase(chunks.NewMemoryStore())
	default:
		err = fmt.Errorf("Invalid path prototocol: %s", spec.Protocol)
	}
	return
}
Ejemplo n.º 6
0
func (suite *ParsedResultTestSuite) assertTypes(source string, ts ...*types.Type) {
	err := d.Try(func() {
		i := runParser("", strings.NewReader(source))
		for idx, t := range i.Types {
			// Cannot use t.Equals here since the parser generates a Type that cannot be serialized.
			suite.Equal(ts[idx], t)
		}
	})
	suite.NoError(err, source)
}
Ejemplo n.º 7
0
func HandleRootGet(w http.ResponseWriter, req *http.Request, ps URLParams, rt chunks.ChunkStore) {
	err := d.Try(func() {
		d.Exp.Equal("GET", req.Method)

		rootRef := rt.Root()
		fmt.Fprintf(w, "%v", rootRef.String())
		w.Header().Add("content-type", "text/plain")
	})

	if err != nil {
		http.Error(w, fmt.Sprintf("Error: %v", err), http.StatusBadRequest)
		return
	}
}
Ejemplo n.º 8
0
func writeMetaLines(node LogNode, maxLines, lineno, maxLabelLen int, w io.Writer) (int, error) {
	if m, ok := node.commit.MaybeGet(datas.MetaField); ok {
		meta := m.(types.Struct)
		mlw := &maxLineWriter{numLines: lineno, maxLines: maxLines, node: node, dest: w, needsPrefix: true, showGraph: showGraph}
		err := d.Try(func() {
			meta.Type().Desc.(types.StructDesc).IterFields(func(fieldName string, t *types.Type) {
				v := meta.Get(fieldName)
				fmt.Fprintf(mlw, "%-*s", maxLabelLen+2, strings.Title(fieldName)+":")
				types.WriteEncodedValue(mlw, v)
				fmt.Fprintf(mlw, "\n")
			})
		})
		return mlw.numLines, err
	}
	return lineno, nil
}
Ejemplo n.º 9
0
func HandleWriteValue(w http.ResponseWriter, req *http.Request, ps URLParams, cs chunks.ChunkStore) {
	hashes := hash.HashSlice{}
	err := d.Try(func() {
		d.Exp.Equal("POST", req.Method)

		reader := bodyReader(req)
		defer func() {
			// Ensure all data on reader is consumed
			io.Copy(ioutil.Discard, reader)
			reader.Close()
		}()
		vbs := types.NewValidatingBatchingSink(cs)
		vbs.Prepare(deserializeHints(reader))

		chunkChan := make(chan *chunks.Chunk, 16)
		go chunks.DeserializeToChan(reader, chunkChan)
		var bpe chunks.BackpressureError
		for c := range chunkChan {
			if bpe == nil {
				bpe = vbs.Enqueue(*c)
			} else {
				bpe = append(bpe, c.Hash())
			}
			// If a previous Enqueue() errored, we still need to drain chunkChan
			// TODO: what about having DeserializeToChan take a 'done' channel to stop it?
			hashes = append(hashes, c.Hash())
		}
		if bpe == nil {
			bpe = vbs.Flush()
		}
		if bpe != nil {
			w.WriteHeader(httpStatusTooManyRequests)
			w.Header().Add("Content-Type", "application/octet-stream")
			writer := respWriter(req, w)
			defer writer.Close()
			serializeHashes(writer, bpe.AsHashes())
			return
		}
		w.WriteHeader(http.StatusCreated)
	})

	if err != nil {
		http.Error(w, fmt.Sprintf("Error: %v\nChunks in payload: %v", err, hashes), http.StatusBadRequest)
		return
	}
}
func versionCheck(hndlr Handler) Handler {
	return func(w http.ResponseWriter, req *http.Request, ps URLParams, cs chunks.ChunkStore) {
		w.Header().Set(NomsVersionHeader, constants.NomsVersion)
		if req.Header.Get(NomsVersionHeader) != constants.NomsVersion {
			http.Error(
				w,
				fmt.Sprintf("Error: SDK version %s is incompatible with data of version %s", req.Header.Get(NomsVersionHeader), constants.NomsVersion),
				http.StatusBadRequest,
			)
			return
		}

		err := d.Try(func() { hndlr(w, req, ps, cs) })
		if err != nil {
			http.Error(w, fmt.Sprintf("Error: %v", err), http.StatusBadRequest)
			return
		}
	}
}
Ejemplo n.º 11
0
func HandleHasRefs(w http.ResponseWriter, req *http.Request, ps URLParams, cs chunks.ChunkStore) {
	err := d.Try(func() {
		d.Exp.Equal("POST", req.Method)

		hashes := extractHashes(req)

		w.Header().Add("Content-Type", "text/plain")
		writer := respWriter(req, w)
		defer writer.Close()

		for _, h := range hashes {
			fmt.Fprintf(writer, "%s %t\n", h, cs.Has(h))
		}
	})

	if err != nil {
		http.Error(w, fmt.Sprintf("Error: %v", err), http.StatusBadRequest)
		return
	}
}
Ejemplo n.º 12
0
func runServe(args []string) int {
	cs, err := spec.GetChunkStore(args[0])
	d.CheckError(err)
	server := datas.NewRemoteDatabaseServer(cs, port)

	// Shutdown server gracefully so that profile may be written
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	signal.Notify(c, syscall.SIGTERM)
	go func() {
		<-c
		server.Stop()
	}()

	d.Try(func() {
		defer profile.MaybeStartProfile().Stop()
		server.Run()
	})
	return 0
}
Ejemplo n.º 13
0
func main() {
	flag.Usage = func() {
		fmt.Fprintf(os.Stderr, "Serves a Noms database over HTTP\n\n")
		fmt.Fprintf(os.Stderr, "Usage: noms serve <database>\n")
		flag.PrintDefaults()
		fmt.Fprintf(os.Stderr, "\nFor detailed information on spelling databases, see: at https://github.com/attic-labs/noms/blob/master/doc/spelling.md.\n\n")
	}

	spec.RegisterDatabaseFlags()
	flag.Parse()

	if len(flag.Args()) != 1 {
		flag.Usage()
		return
	}

	spec, err := spec.ParseDatabaseSpec(flag.Arg(0))
	util.CheckError(err)
	if spec.Protocol != "mem" && spec.Protocol != "ldb" {
		err := errors.New("Illegal database spec for server, must be 'mem' or 'ldb'")
		util.CheckError(err)
	}
	cs, err := spec.ChunkStore()
	util.CheckError(err)

	server := datas.NewRemoteDatabaseServer(cs, *port)

	// Shutdown server gracefully so that profile may be written
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	signal.Notify(c, syscall.SIGTERM)
	go func() {
		<-c
		server.Stop()
	}()

	d.Try(func() {
		defer profile.MaybeStartProfile().Stop()
		server.Run()
	})
}
Ejemplo n.º 14
0
func Diff(w io.Writer, v1, v2 types.Value) (err error) {
	dq := NewDiffQueue()
	di := diffInfo{path: types.NewPath().AddField("/"), v1: v1, v2: v2}
	dq.PushBack(di)

	err = d.Try(func() {
		for di, ok := dq.PopFront(); ok; di, ok = dq.PopFront() {
			p, key, v1, v2 := di.path, di.key, di.v1, di.v2

			v1.Type().Kind()
			if v1 == nil && v2 != nil {
				line(w, addPrefix, key, v2)
			}
			if v1 != nil && v2 == nil {
				line(w, subPrefix, key, v1)
			}
			if !v1.Equals(v2) {
				if !canCompare(v1, v2) {
					line(w, subPrefix, key, v1)
					line(w, addPrefix, key, v2)
				} else {
					switch v1.Type().Kind() {
					case types.ListKind:
						diffLists(dq, w, p, v1.(types.List), v2.(types.List))
					case types.MapKind:
						diffMaps(dq, w, p, v1.(types.Map), v2.(types.Map))
					case types.SetKind:
						diffSets(dq, w, p, v1.(types.Set), v2.(types.Set))
					case types.StructKind:
						diffStructs(dq, w, p, v1.(types.Struct), v2.(types.Struct))
					default:
						panic("Unrecognized type in diff function")
					}
				}
			}
		}
	})
	return
}
Ejemplo n.º 15
0
func main() {
	flag.Usage = func() {
		fmt.Fprintf(os.Stderr, "Usage of %s:\n  %s path/to/staging/dir\n", os.Args[0], os.Args[0])
	}
	flag.Parse(true)
	if flag.Arg(0) == "" {
		flag.Usage()
		os.Exit(1)
	}
	err := d.Try(func() {
		stagingDir, err := filepath.Abs(flag.Arg(0))
		d.PanicIfTrue(err != nil, "Path to staging directory (first arg) must be valid, not %s", flag.Arg(0))
		d.PanicIfError(os.MkdirAll(stagingDir, 0755))

		goPath := os.Getenv("GOPATH")
		d.PanicIfTrue(goPath == "", "GOPATH must be set!")
		workspace := os.Getenv("WORKSPACE")
		if workspace == "" {
			fmt.Printf("WORKSPACE not set in environment; using GOPATH (%s).\n", goPath)
			workspace = goPath
		}
		pythonPath := filepath.Join(goPath, nomsCheckoutPath, "tools")
		env := runner.Env{
			"PYTHONPATH": pythonPath,
		}

		if !runner.Serial(os.Stdout, os.Stderr, env, ".", buildScript) {
			os.Exit(1)
		}

		if !runner.Serial(os.Stdout, os.Stderr, env, ".", stageScript, stagingDir) {
			os.Exit(1)
		}
	})
	if err != nil {
		log.Fatal(err)
	}
}
Ejemplo n.º 16
0
func main() {
	cpuCount := runtime.NumCPU()
	runtime.GOMAXPROCS(cpuCount)

	flag.Usage = func() {
		fmt.Fprintf(os.Stderr, "Moves datasets between or within databases\n\n")
		fmt.Fprintf(os.Stderr, "noms sync [options] <source-object> <dest-dataset>\n\n")
		flag.PrintDefaults()
		fmt.Fprintf(os.Stderr, "\nFor detailed information on spelling objects and datasets, see: at https://github.com/attic-labs/noms/blob/master/doc/spelling.md.\n\n")
	}

	spec.RegisterDatabaseFlags()
	flag.Parse()

	if flag.NArg() != 2 {
		util.CheckError(errors.New("expected a source object and destination dataset"))
	}

	sourceStore, sourceObj, err := spec.GetPath(flag.Arg(0))
	util.CheckError(err)
	defer sourceStore.Close()

	sinkDataset, err := spec.GetDataset(flag.Arg(1))
	util.CheckError(err)
	defer sinkDataset.Database().Close()

	err = d.Try(func() {
		defer profile.MaybeStartProfile().Stop()

		var err error
		sinkDataset, err = sinkDataset.Pull(sourceStore, types.NewRef(sourceObj), int(*p))
		d.Exp.NoError(err)
	})

	if err != nil {
		log.Fatal(err)
	}
}
Ejemplo n.º 17
0
func main() {
	// Actually the delimiter uses runes, which can be multiple characters long.
	// https://blog.golang.org/strings
	delimiter := flag.String("delimiter", ",", "field delimiter for csv file, must be exactly one character long.")

	spec.RegisterDatabaseFlags(flag.CommandLine)
	profile.RegisterProfileFlags(flag.CommandLine)

	flag.Usage = func() {
		fmt.Fprintln(os.Stderr, "Usage: csv-export [options] dataset > filename")
		flag.PrintDefaults()
	}

	flag.Parse(true)

	if flag.NArg() != 1 {
		d.CheckError(errors.New("expected dataset arg"))
	}

	ds, err := spec.GetDataset(flag.Arg(0))
	d.CheckError(err)

	defer ds.Database().Close()

	comma, err := csv.StringToRune(*delimiter)
	d.CheckError(err)

	err = d.Try(func() {
		defer profile.MaybeStartProfile().Stop()

		nomsList, structDesc := csv.ValueToListAndElemDesc(ds.HeadValue(), ds.Database())
		csv.Write(nomsList, structDesc, comma, os.Stdout)
	})
	if err != nil {
		fmt.Println("Failed to export dataset as CSV:")
		fmt.Println(err)
	}
}
Ejemplo n.º 18
0
func HandleRootPost(w http.ResponseWriter, req *http.Request, ps URLParams, rt chunks.ChunkStore) {
	err := d.Try(func() {
		d.Exp.Equal("POST", req.Method)

		params := req.URL.Query()
		tokens := params["last"]
		d.Exp.Len(tokens, 1)
		last := hash.Parse(tokens[0])
		tokens = params["current"]
		d.Exp.Len(tokens, 1)
		current := hash.Parse(tokens[0])

		if !rt.UpdateRoot(current, last) {
			w.WriteHeader(http.StatusConflict)
			return
		}
	})

	if err != nil {
		http.Error(w, fmt.Sprintf("Error: %v", err), http.StatusBadRequest)
		return
	}
}
Ejemplo n.º 19
0
func TestParseError(t *testing.T) {
	assert := assert.New(t)

	assertParseError := func(s string) {
		e := d.Try(func() { Parse(s) })
		assert.IsType(d.UsageError{}, e)
	}

	assertParseError("foo")
	assertParseError("sha1")
	assertParseError("sha1-0")

	// too many digits
	assertParseError("sha1-00000000000000000000000000000000000000000")

	// 'g' not valid hex
	assertParseError("sha1-000000000000000000000000000000000000000g")

	// sha2 not supported
	assertParseError("sha2-0000000000000000000000000000000000000000")

	r := Parse("sha1-0000000000000000000000000000000000000000")
	assert.NotNil(r)
}
Ejemplo n.º 20
0
func main() {
	err := d.Try(func() {
		spec.RegisterDatabaseFlags(flag.CommandLine)
		profile.RegisterProfileFlags(flag.CommandLine)
		flag.Usage = customUsage
		flag.Parse(true)

		if flag.NArg() != 2 {
			d.CheckError(errors.New("Expected directory path followed by dataset"))
		}
		dir := flag.Arg(0)
		ds, err := spec.GetDataset(flag.Arg(1))
		d.CheckError(err)

		defer profile.MaybeStartProfile().Stop()

		cpuCount := runtime.NumCPU()

		filesChan := make(chan fileIndex, 1024)
		refsChan := make(chan refIndex, 1024)

		getFilePaths := func() {
			index := 0
			err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
				d.PanicIfTrue(err != nil, "Cannot traverse directories")
				if !info.IsDir() && filepath.Ext(path) == ".xml" {
					filesChan <- fileIndex{path, index}
					index++
				}

				return nil
			})
			d.PanicIfError(err)
			close(filesChan)
		}

		wg := sync.WaitGroup{}
		importXML := func() {
			expectedType := types.NewMap()
			for f := range filesChan {
				file, err := os.Open(f.path)
				d.PanicIfTrue(err != nil, "Error getting XML")

				xmlObject, err := mxj.NewMapXmlReader(file)
				d.PanicIfTrue(err != nil, "Error decoding XML")
				object := xmlObject.Old()
				file.Close()

				nomsObj := jsontonoms.NomsValueFromDecodedJSON(object, false)
				d.Chk.IsType(expectedType, nomsObj)

				var r types.Ref
				if !*noIO {
					r = ds.Database().WriteValue(nomsObj)
				}

				refsChan <- refIndex{r, f.index}
			}

			wg.Done()
		}

		go getFilePaths()
		for i := 0; i < cpuCount*8; i++ {
			wg.Add(1)
			go importXML()
		}
		go func() {
			wg.Wait()
			close(refsChan) // done converting xml to noms
		}()

		refList := refIndexList{}
		for r := range refsChan {
			refList = append(refList, r)
		}
		sort.Sort(refList)

		refs := make([]types.Value, len(refList))
		for idx, r := range refList {
			refs[idx] = r.ref
		}

		rl := types.NewList(refs...)

		if !*noIO {
			_, err := ds.CommitValue(rl)
			d.PanicIfError(err)
		}
	})

	if err != nil {
		log.Fatal(err)
	}
}
Ejemplo n.º 21
0
func Diff(w io.Writer, v1, v2 types.Value) error {
	return d.Try(func() {
		diff(w, types.NewPath(), nil, v1, v2)
	})
}