Exemplo n.º 1
0
/*
handle		- Pointer to a Tar file being built
rootPath	- Path to read the contents from
relPath		- Path to write these files into
*/
func writeFile(handle *tar.Writer, rootPath, relPath string) error {
	var file *os.File
	var stat os.FileInfo
	var buffer []byte
	var err error
	if file, err = os.OpenFile(rootPath, os.O_RDONLY, os.ModePerm); err != nil {
		return err
	}
	if stat, err = file.Stat(); err != nil {
		return err
	}
	file.Close()
	header := &tar.Header{
		Name: relPath,
		Size: stat.Size(),
	}
	if err := handle.WriteHeader(header); err != nil {
		return err
	}
	if buffer, err = ioutil.ReadFile(rootPath); err != nil {
		return err
	}
	if _, err := handle.Write(buffer); err != nil {
		return err
	}
	return nil
}
Exemplo n.º 2
0
// WritePackage satisfies the platform interface for generating a docker package
// that encapsulates the environment for a CAR based chaincode
func (carPlatform *Platform) WritePackage(spec *pb.ChaincodeSpec, tw *tar.Writer) error {

	path, err := download(spec.ChaincodeID.Path)
	if err != nil {
		return err
	}

	var buf []string

	//let the executable's name be chaincode ID's name
	buf = append(buf, cutil.GetDockerfileFromConfig("chaincode.car.Dockerfile"))
	buf = append(buf, "COPY package.car /tmp/package.car")
	// invoking directly for maximum JRE compatiblity
	buf = append(buf, fmt.Sprintf("RUN java -jar /usr/local/bin/chaintool buildcar /tmp/package.car -o $GOPATH/bin/%s && rm /tmp/package.car", spec.ChaincodeID.Name))

	dockerFileContents := strings.Join(buf, "\n")
	dockerFileSize := int64(len([]byte(dockerFileContents)))

	//Make headers identical by using zero time
	var zeroTime time.Time
	tw.WriteHeader(&tar.Header{Name: "Dockerfile", Size: dockerFileSize, ModTime: zeroTime, AccessTime: zeroTime, ChangeTime: zeroTime})
	tw.Write([]byte(dockerFileContents))

	err = cutil.WriteFileToPackage(path, "package.car", tw)
	if err != nil {
		return err
	}

	return nil
}
Exemplo n.º 3
0
// synthesizeMain generates a new main func and writes it to the tarball.
func synthesizeMain(tw *tar.Writer, appFiles []string) error {
	appMap := make(map[string]bool)
	for _, f := range appFiles {
		appMap[f] = true
	}
	var f string
	for i := 0; i < 100; i++ {
		f = fmt.Sprintf("app_main%d.go", i)
		if !appMap[filepath.Join(*rootDir, f)] {
			break
		}
	}
	if appMap[filepath.Join(*rootDir, f)] {
		return fmt.Errorf("unable to find unique name for %v", f)
	}
	hdr := &tar.Header{
		Name: f,
		Mode: 0644,
		Size: int64(len(newMain)),
	}
	if err := tw.WriteHeader(hdr); err != nil {
		return fmt.Errorf("unable to write header for %v: %v", f, err)
	}
	if _, err := tw.Write([]byte(newMain)); err != nil {
		return fmt.Errorf("unable to write %v to tar file: %v", f, err)
	}
	return nil
}
Exemplo n.º 4
0
func (c *PackCmd) packSource(writer *tar.Writer, p *utils.Paths) error {
	base := path.Join(p.SrcDir, p.PkgName)
	files, err := ioutil.ReadDir(base)
	if err != nil {
		return err
	}

	for _, file := range files {
		if !file.IsDir() && strings.HasSuffix(file.Name(), ".go") {
			fpath := path.Join(base, file.Name())
			src, err := ioutil.ReadFile(fpath)
			if err != nil {
				return err
			}

			src, err = source.Prune(src)

			header := tar.Header{
				Name: fmt.Sprintf("src/%s/%s", p.PkgName, file.Name()),
				Mode: 0444,
				Size: int64(len(src)),
			}

			writer.WriteHeader(&header)
			writer.Write(src)
		}
	}

	return nil
}
Exemplo n.º 5
0
//tw is expected to have the chaincode in it from GenerateHashcode. This method
//will just package rest of the bytes
func writeChaincodePackage(spec *pb.ChaincodeSpec, tw *tar.Writer) error {

	var urlLocation string
	if strings.HasPrefix(spec.ChaincodeID.Path, "http://") {
		urlLocation = spec.ChaincodeID.Path[7:]
	} else if strings.HasPrefix(spec.ChaincodeID.Path, "https://") {
		urlLocation = spec.ChaincodeID.Path[8:]
	} else {
		urlLocation = spec.ChaincodeID.Path
	}

	newRunLine := fmt.Sprintf("RUN go install %s && cp src/github.com/openblockchain/obc-peer/openchain.yaml $GOPATH/bin", urlLocation)

	dockerFileContents := fmt.Sprintf("%s\n%s", viper.GetString("chaincode.golang.Dockerfile"), newRunLine)
	dockerFileSize := int64(len([]byte(dockerFileContents)))

	//Make headers identical by using zero time
	var zeroTime time.Time
	tw.WriteHeader(&tar.Header{Name: "Dockerfile", Size: dockerFileSize, ModTime: zeroTime, AccessTime: zeroTime, ChangeTime: zeroTime})
	tw.Write([]byte(dockerFileContents))
	err := writeGopathSrc(tw, urlLocation)
	if err != nil {
		return fmt.Errorf("Error writing Chaincode package contents: %s", err)
	}
	return nil
}
Exemplo n.º 6
0
// Write a single file to TarGz
func TarGzWrite(item ArchiveItem, tw *tar.Writer, fi os.FileInfo) (err error) {
	if item.FileSystemPath != "" {
		fr, err := os.Open(item.FileSystemPath)
		if err == nil {
			defer fr.Close()

			h := new(tar.Header)
			h.Name = item.ArchivePath
			h.Size = fi.Size()
			h.Mode = int64(fi.Mode())
			h.ModTime = fi.ModTime()

			err = tw.WriteHeader(h)

			if err == nil {
				_, err = io.Copy(tw, fr)
			}
		}
	} else {
		h := new(tar.Header)
		//backslash-only paths
		h.Name = strings.Replace(item.ArchivePath, "\\", "/", -1)
		h.Size = int64(len(item.Data))
		h.Mode = int64(0644) //? is this ok?
		h.ModTime = time.Now()
		err = tw.WriteHeader(h)
		if err == nil {
			_, err = tw.Write(item.Data)
		}
	}
	return err
}
Exemplo n.º 7
0
// WritePackage satisfies the platform interface for generating a docker package
// that encapsulates the environment for a CAR based chaincode
func (carPlatform *Platform) WritePackage(spec *pb.ChaincodeSpec, tw *tar.Writer) error {

	path, err := download(spec.ChaincodeID.Path)
	if err != nil {
		return err
	}

	spec.ChaincodeID.Name, err = generateHashcode(spec, path)
	if err != nil {
		return fmt.Errorf("Error generating hashcode: %s", err)
	}

	var buf []string

	//let the executable's name be chaincode ID's name
	buf = append(buf, viper.GetString("chaincode.car.Dockerfile"))
	buf = append(buf, "COPY package.car /tmp/package.car")
	buf = append(buf, fmt.Sprintf("RUN chaintool buildcar /tmp/package.car -o $GOPATH/bin/%s && rm /tmp/package.car", spec.ChaincodeID.Name))

	dockerFileContents := strings.Join(buf, "\n")
	dockerFileSize := int64(len([]byte(dockerFileContents)))

	//Make headers identical by using zero time
	var zeroTime time.Time
	tw.WriteHeader(&tar.Header{Name: "Dockerfile", Size: dockerFileSize, ModTime: zeroTime, AccessTime: zeroTime, ChangeTime: zeroTime})
	tw.Write([]byte(dockerFileContents))

	err = cutil.WriteFileToPackage(path, "package.car", tw)
	if err != nil {
		return err
	}

	return nil
}
Exemplo n.º 8
0
Arquivo: pack.go Projeto: toshaf/gobl
func (c *PackCmd) packLib(writer *tar.Writer, dir string) error {
	// these should be of the form $GOOS_$GOARCH
	name := fmt.Sprintf("pkg/%s/%s%s", dir, c.Paths.PkgName, GO_LIB_EXT)
	fname := os.ExpandEnv("$GOPATH/") + name
	c.log.Logv("Looking for %s", fname)
	file, err := os.Open(fname)
	if err != nil {
		return err
	}

	defer file.Close()

	body, err := ioutil.ReadAll(file)
	if err != nil {
		panic(err)
	}

	header := tar.Header{
		Name: name,
		Mode: 0444,
		Size: int64(len(body)),
	}

	writer.WriteHeader(&header)
	writer.Write(body)

	return nil
}
Exemplo n.º 9
0
func addFileToArchive(name string, content []byte, modTime time.Time, w *tar.Writer) error {
	e := w.WriteHeader(&tar.Header{Name: name, Size: int64(len(content)), ModTime: modTime, Mode: 0644})
	if e != nil {
		return e
	}
	_, e = w.Write(content)
	return e
}
Exemplo n.º 10
0
func MakeTarball(tarname string, fnames []string) error {
	log.Printf("tarring %d entrires to %s ...", len(fnames), tarname)
	tarfile, err := os.Create(tarname)
	if err != nil {
		return err
	}
	defer tarfile.Close()
	var tarwriter *tar.Writer
	if strings.HasSuffix(tarname, ".gz") {
		zipper := gzip.NewWriter(tarfile)
		defer zipper.Close()
		tarwriter = tar.NewWriter(zipper)
		/*
			} else if strings.HasSuffix(tarname, ".xz") {
				p := xz.WriterDefaults
				p.DictCap = 1 << 24
				zipper, err := xz.NewWriterParams(tarfile, &p) //xz.NewWriter(tarfile)
				if err != nil {
					return err
				}
				defer zipper.Close()
				tarwriter = tar.NewWriter(zipper)
		*/
	} else {
		tarwriter = tar.NewWriter(tarfile)
	}
	defer tarwriter.Close()

	for _, fname := range fnames {
		realm, ts, good := util.Parse_FName(fname)
		if !good {
			log.Printf("warning: skip ill-named file '%s'", fname)
			continue // skip
		}
		data, err := util.Load(fname)
		if err != nil {
			return err
		}

		hdr := new(tar.Header)
		hdr.Name = util.Make_FName(realm, ts, false)
		hdr.Size = int64(len(data))
		hdr.ModTime = ts
		hdr.Mode = 0644
		err = tarwriter.WriteHeader(hdr)
		if err != nil {
			return err
		}
		log.Printf("tar %d bytes for file %s", hdr.Size, hdr.Name)
		_, err = tarwriter.Write(data)
		if err != nil {
			return err
		}
	}
	log.Printf("%s tarred without errors", tarname)
	return nil
}
Exemplo n.º 11
0
//tw is expected to have the chaincode in it from GenerateHashcode.
//This method will just package the dockerfile
func writeChaincodePackage(spec *pb.ChaincodeSpec, tw *tar.Writer) error {

	var urlLocation string
	var err error

	if strings.HasPrefix(spec.ChaincodeID.Path, "http://") ||
		strings.HasPrefix(spec.ChaincodeID.Path, "https://") {

		urlLocation, err = getCodeFromHTTP(spec.ChaincodeID.Path)
		defer func() {
			os.RemoveAll(urlLocation)
		}()
		if err != nil {
			return err
		}
	} else {
		urlLocation = spec.ChaincodeID.Path
	}

	if urlLocation == "" {
		return fmt.Errorf("empty url location")
	}

	if strings.LastIndex(urlLocation, "/") == len(urlLocation)-1 {
		urlLocation = urlLocation[:len(urlLocation)-1]
	}

	buildCmd, err := getBuildCmd(urlLocation)
	if err != nil {
		return err
	}
	var dockerFileContents string
	var buf []string

	if viper.GetBool("security.enabled") {
		//todo
	} else {
		buf = append(buf, cutil.GetDockerfileFromConfig("chaincode.java.Dockerfile"))
		buf = append(buf, "COPY src /root/chaincode")
		buf = append(buf, "RUN  cd /root/chaincode && "+buildCmd)
		buf = append(buf, "RUN  cp /root/chaincode/build/chaincode.jar /root")
		buf = append(buf, "RUN  cp /root/chaincode/build/libs/* /root/libs")
	}

	dockerFileContents = strings.Join(buf, "\n")
	dockerFileSize := int64(len([]byte(dockerFileContents)))
	//Make headers identical by using zero time
	var zeroTime time.Time
	tw.WriteHeader(&tar.Header{Name: "Dockerfile", Size: dockerFileSize, ModTime: zeroTime, AccessTime: zeroTime, ChangeTime: zeroTime})
	tw.Write([]byte(dockerFileContents))
	err = cutil.WriteJavaProjectToPackage(tw, urlLocation)
	if err != nil {
		return fmt.Errorf("Error writing Chaincode package contents: %s", err)
	}

	return nil
}
Exemplo n.º 12
0
// TarAddBytes adds a file by bytes with a given path
func TarAddBytes(tw *tar.Writer, bytes []byte, destName string, mode int64) error {
	err := tw.WriteHeader(TarHeader(destName, int64(len(bytes)), mode))
	if err != nil {
		return err
	}
	_, err = tw.Write(bytes)
	if err != nil {
		return err
	}
	return nil
}
Exemplo n.º 13
0
func outputTarFiles(out *tar.Writer, files []*TarFile) error {
	for _, file := range files {
		if err := out.WriteHeader(file.Header); err != nil {
			return err
		}
		if _, err := out.Write(file.Data); err != nil {
			return err
		}
	}

	return nil
}
Exemplo n.º 14
0
//tw is expected to have the chaincode in it from GenerateHashcode. This method
//will just package rest of the bytes
func writeChaincodePackage(spec *pb.ChaincodeSpec, tw *tar.Writer) error {

	var urlLocation string
	if strings.HasPrefix(spec.ChaincodeID.Path, "http://") {
		urlLocation = spec.ChaincodeID.Path[7:]
	} else if strings.HasPrefix(spec.ChaincodeID.Path, "https://") {
		urlLocation = spec.ChaincodeID.Path[8:]
	} else {
		urlLocation = spec.ChaincodeID.Path
	}

	if urlLocation == "" {
		return fmt.Errorf("empty url location")
	}

	if strings.LastIndex(urlLocation, "/") == len(urlLocation)-1 {
		urlLocation = urlLocation[:len(urlLocation)-1]
	}
	toks := strings.Split(urlLocation, "/")
	if toks == nil || len(toks) == 0 {
		return fmt.Errorf("cannot get path components from %s", urlLocation)
	}

	chaincodeGoName := toks[len(toks)-1]
	if chaincodeGoName == "" {
		return fmt.Errorf("could not get chaincode name from path %s", urlLocation)
	}

	//let the executable's name be chaincode ID's name
	newRunLine := fmt.Sprintf("RUN go install %s && cp src/github.com/hyperledger/fabric/peer/core.yaml $GOPATH/bin && mv $GOPATH/bin/%s $GOPATH/bin/%s", urlLocation, chaincodeGoName, spec.ChaincodeID.Name)

	//NOTE-this could have been abstracted away so we could use it for all platforms in a common manner
	//However, it would still be docker specific. Hence any such abstraction has to be done in a manner that
	//is not just language dependent but also container depenedent. So lets make this change per platform for now
	//in the interest of avoiding over-engineering without proper abstraction
	if viper.GetBool("peer.tls.enabled") {
		newRunLine = fmt.Sprintf("%s\nCOPY src/certs/cert.pem %s", newRunLine, viper.GetString("peer.tls.cert.file"))
	}

	dockerFileContents := fmt.Sprintf("%s\n%s", viper.GetString("chaincode.golang.Dockerfile"), newRunLine)
	dockerFileSize := int64(len([]byte(dockerFileContents)))

	//Make headers identical by using zero time
	var zeroTime time.Time
	tw.WriteHeader(&tar.Header{Name: "Dockerfile", Size: dockerFileSize, ModTime: zeroTime, AccessTime: zeroTime, ChangeTime: zeroTime})
	tw.Write([]byte(dockerFileContents))
	err := cutil.WriteGopathSrc(tw, urlLocation)
	if err != nil {
		return fmt.Errorf("Error writing Chaincode package contents: %s", err)
	}
	return nil
}
Exemplo n.º 15
0
func (vm *VM) writePeerPackage(tw *tar.Writer) error {
	startTime := time.Now()

	dockerFileContents := viper.GetString("peer.Dockerfile")
	dockerFileSize := int64(len([]byte(dockerFileContents)))

	tw.WriteHeader(&tar.Header{Name: "Dockerfile", Size: dockerFileSize, ModTime: startTime, AccessTime: startTime, ChangeTime: startTime})
	tw.Write([]byte(dockerFileContents))
	err := cutil.WriteGopathSrc(tw, "")
	if err != nil {
		return fmt.Errorf("Error writing Peer package contents: %s", err)
	}
	return nil
}
Exemplo n.º 16
0
func writeBytesToTar(fname string, b []byte, tw *tar.Writer) error {
	err := tw.WriteHeader(&tar.Header{
		Name: fname,
		Size: int64(len(b)),
		Mode: 0777,
	})

	_, err = tw.Write(b)
	if err != nil {
		return err
	}

	return nil
}
Exemplo n.º 17
0
func writeTarEntry(tw *tar.Writer, name string, data []byte) error {
	h := new(tar.Header)
	h.Name = name
	h.Uid = 1000
	h.Gid = 1000
	h.Mode = 0755
	h.Size = int64(len(data))
	if err := tw.WriteHeader(h); err != nil {
		return err
	}
	if _, err := tw.Write(data); err != nil {
		return err
	}
	return nil
}
Exemplo n.º 18
0
// writeToTar writes a single file to a tar archive.
func writeToTar(out *tar.Writer, name string, body []byte) error {
	// TODO: Do we need to create dummy parent directory names if none exist?
	h := &tar.Header{
		Name: name,
		Mode: 0755,
		Size: int64(len(body)),
	}
	if err := out.WriteHeader(h); err != nil {
		return err
	}
	if _, err := out.Write(body); err != nil {
		return err
	}
	return nil
}
Exemplo n.º 19
0
func (vm *VM) writeObccaPackage(tw *tar.Writer) error {
	startTime := time.Now()

	dockerFileContents := viper.GetString("peer.Dockerfile")
	dockerFileContents = dockerFileContents + "WORKDIR ../membersrvc\nRUN go install && cp membersrvc.yaml $GOPATH/bin\n"
	dockerFileSize := int64(len([]byte(dockerFileContents)))

	tw.WriteHeader(&tar.Header{Name: "Dockerfile", Size: dockerFileSize, ModTime: startTime, AccessTime: startTime, ChangeTime: startTime})
	tw.Write([]byte(dockerFileContents))
	err := cutil.WriteGopathSrc(tw, "")
	if err != nil {
		return fmt.Errorf("Error writing membersrvc package contents: %s", err)
	}
	return nil
}
Exemplo n.º 20
0
func writeManifest(tw *tar.Writer, manifest map[string]interface{}) error {
	buf, err := json.Marshal(manifest)
	if err != nil {
		return fmt.Errorf("cannot serialize manifest: %v", err)
	}
	header := tar.Header{}
	header.Name = "manifest"
	header.Mode = 0644
	header.Size = int64(len(buf))
	header.Typeflag = tar.TypeReg
	tw.WriteHeader(&header)
	if _, err := tw.Write(buf); err != nil {
		return fmt.Errorf("cannot write manifest: %v", err)
	}
	return nil
}
Exemplo n.º 21
0
func (d *Docker) addFileToTar(tr *tar.Writer, file string, content []byte) error {
	t := time.Now()
	tr.WriteHeader(&tar.Header{
		Name:       file,
		Size:       int64(len(content)),
		ModTime:    t,
		AccessTime: t,
		ChangeTime: t,
	})

	if _, err := tr.Write(content); err != nil {
		return err
	}

	return nil
}
Exemplo n.º 22
0
func addRegularFile(tw *tar.Writer, fd *fileDesc) error {
	contentBytes := []byte(fd.content)
	hdr := &tar.Header{
		Name:       fd.name,
		Mode:       int64(fd.mode),
		Size:       int64(len(contentBytes)),
		Typeflag:   tar.TypeReg,
		AccessTime: time.Now(),
		ModTime:    fd.modifiedDate,
		ChangeTime: fd.modifiedDate,
	}
	if err := tw.WriteHeader(hdr); err != nil {
		return err
	}
	_, err := tw.Write(contentBytes)
	return err
}
Exemplo n.º 23
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func writeTarData(tw *tar.Writer, f *os.File) error {
	log.Tracef("Writing %s to tar archive", f.Name())
	b := make([]byte, 1024)
	for {
		read, err := f.Read(b)
		if _, werr := tw.Write(b[0:read]); werr != nil {
			return err
		}
		if err != nil {
			if err == io.EOF {
				return nil
			}
			return err
		}
	}
	return nil
}
Exemplo n.º 24
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// WriteToTarStream writes a byte array of data into a tar stream
func WriteToTarStream(stream *tar.Writer, data []byte, header tar.Header) error {
	if header.Mode == 0 {
		header.Mode = 0644
	}
	if header.Size == 0 {
		header.Size = int64(len(data))
	}
	if header.Typeflag == 0 {
		header.Typeflag = tar.TypeReg
	}
	if err := stream.WriteHeader(&header); err != nil {
		return err
	}
	if _, err := stream.Write(data); err != nil {
		return err
	}
	return nil
}
Exemplo n.º 25
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func AddStringToTar(tw *tar.Writer, name, file string) error {
	hdr := &tar.Header{
		Name: name,
		Size: int64(len(file)),

		Mode: 0666,

		Uid: syscall.Getuid(),
		Gid: syscall.Getgid(),
	}
	if err := tw.WriteHeader(hdr); err != nil {
		return err
	}
	if _, err := tw.Write([]byte(file)); err != nil {
		return err
	}
	return nil
}
Exemplo n.º 26
0
//tw is expected to have the chaincode in it from GenerateHashcode. This method
//will just package rest of the bytes
func writeChaincodePackage(spec *pb.ChaincodeSpec, tw *tar.Writer) error {

	var urlLocation string
	if strings.HasPrefix(spec.ChaincodeID.Path, "http://") {
		urlLocation = spec.ChaincodeID.Path[7:]
	} else if strings.HasPrefix(spec.ChaincodeID.Path, "https://") {
		urlLocation = spec.ChaincodeID.Path[8:]
	} else {
		urlLocation = spec.ChaincodeID.Path
	}

	if urlLocation == "" {
		return fmt.Errorf("empty url location")
	}

	if strings.LastIndex(urlLocation, "/") == len(urlLocation)-1 {
		urlLocation = urlLocation[:len(urlLocation)-1]
	}
	toks := strings.Split(urlLocation, "/")
	if toks == nil || len(toks) == 0 {
		return fmt.Errorf("cannot get path components from %s", urlLocation)
	}

	chaincodeGoName := toks[len(toks)-1]
	if chaincodeGoName == "" {
		return fmt.Errorf("could not get chaincode name from path %s", urlLocation)
	}

	//let the executable's name be chaincode ID's name
	newRunLine := fmt.Sprintf("RUN go install %s && cp src/github.com/hyperledger/fabric/peer/core.yaml $GOPATH/bin && mv $GOPATH/bin/%s $GOPATH/bin/%s", urlLocation, chaincodeGoName, spec.ChaincodeID.Name)

	dockerFileContents := fmt.Sprintf("%s\n%s", viper.GetString("chaincode.golang.Dockerfile"), newRunLine)
	dockerFileSize := int64(len([]byte(dockerFileContents)))

	//Make headers identical by using zero time
	var zeroTime time.Time
	tw.WriteHeader(&tar.Header{Name: "Dockerfile", Size: dockerFileSize, ModTime: zeroTime, AccessTime: zeroTime, ChangeTime: zeroTime})
	tw.Write([]byte(dockerFileContents))
	err := cutil.WriteGopathSrc(tw, urlLocation)
	if err != nil {
		return fmt.Errorf("Error writing Chaincode package contents: %s", err)
	}
	return nil
}
Exemplo n.º 27
0
//tw is expected to have the chaincode in it from GenerateHashcode.
//This method will just package the dockerfile
func writeChaincodePackage(spec *pb.ChaincodeSpec, tw *tar.Writer) error {

	var urlLocation string
	if strings.HasPrefix(spec.ChaincodeID.Path, "http://") {
		urlLocation = spec.ChaincodeID.Path[7:]
	} else if strings.HasPrefix(spec.ChaincodeID.Path, "https://") {
		urlLocation = spec.ChaincodeID.Path[8:]
	} else {
		urlLocation = spec.ChaincodeID.Path
		//		if !strings.HasPrefix(urlLocation, "/") {
		//			wd := ""
		//			wd, _ = os.Getwd()
		//			urlLocation = wd + "/" + urlLocation
		//		}
	}

	if urlLocation == "" {
		return fmt.Errorf("empty url location")
	}

	if strings.LastIndex(urlLocation, "/") == len(urlLocation)-1 {
		urlLocation = urlLocation[:len(urlLocation)-1]
	}
	urlLocation = urlLocation[strings.LastIndex(urlLocation, "/")+1:]

	var newRunLine string
	if viper.GetBool("security.enabled") {
		//todo
	} else {
		newRunLine = fmt.Sprintf("COPY %s /root/\n"+
			"RUN cd /root/ && gradle build", urlLocation)
	}

	dockerFileContents := fmt.Sprintf("%s\n%s", viper.GetString("chaincode.java.Dockerfile"), newRunLine)
	dockerFileSize := int64(len([]byte(dockerFileContents)))

	//Make headers identical by using zero time
	var zeroTime time.Time
	tw.WriteHeader(&tar.Header{Name: "Dockerfile", Size: dockerFileSize, ModTime: zeroTime, AccessTime: zeroTime, ChangeTime: zeroTime})
	tw.Write([]byte(dockerFileContents))
	return nil
}
Exemplo n.º 28
0
func addFile(w *tar.Writer, name string, contents []byte) error {
	// Use similar file info to /etc/hosts
	fi, err := os.Stat("/etc/hosts")
	if err != nil {
		return err
	}
	h, err := tar.FileInfoHeader(fi, "")
	if err != nil {
		return err
	}
	h.Name = name
	h.Size = int64(len(contents))
	if err := w.WriteHeader(h); err != nil {
		return err
	}
	if _, err := w.Write(contents); err != nil {
		return err
	}
	return nil
}
Exemplo n.º 29
0
func writeHosts(tw *tar.Writer) error {
	etcheader := tar.Header{}
	etcheader.Name = "rootfs/etc/"
	etcheader.Mode = 0644
	etcheader.Typeflag = tar.TypeDir
	tw.WriteHeader(&etcheader)

	content := []byte("127.0.0.1 localhost\n::1 localhost\n")
	header := tar.Header{}
	header.Name = "rootfs/etc/hosts"
	header.Mode = 0644
	header.Typeflag = tar.TypeReg
	header.Size = int64(len(content))

	tw.WriteHeader(&header)
	if _, err := tw.Write(content); err != nil {
		return fmt.Errorf("cannot write manifest: %v", err)
	}
	return nil
}
Exemplo n.º 30
0
func WriteManifest(outputWriter *tar.Writer, manifest schema.ImageManifest) error {
	b, err := json.Marshal(manifest)
	if err != nil {
		return err
	}

	hdr := getGenericTarHeader()
	hdr.Name = "manifest"
	hdr.Mode = 0644
	hdr.Size = int64(len(b))
	hdr.Typeflag = tar.TypeReg

	if err := outputWriter.WriteHeader(hdr); err != nil {
		return err
	}
	if _, err := outputWriter.Write(b); err != nil {
		return err
	}

	return nil
}