Exemple #1
0
// ImportData does what it says. It imports from a host's Source to a Dest
// in a data container. It returns an error.
//
//  do.Name                       - name of the data container to use (required)
//  do.Operations.ContainerNumber - container number (optional)
//  do.Source                     - directory which should be imported (required)
//  do.Destination                - directory to _unload_ the payload into (required)
//
func ImportData(do *definitions.Do) error {
	log.WithFields(log.Fields{
		"from": do.Source,
		"to":   do.Destination,
	}).Debug("Importing")
	if util.IsDataContainer(do.Name, do.Operations.ContainerNumber) {

		srv := PretendToBeAService(do.Name, do.Operations.ContainerNumber)
		service, exists := perform.ContainerExists(srv.Operations)

		if !exists {
			return fmt.Errorf("There is no data container for that service.")
		}
		if err := checkErisContainerRoot(do, "import"); err != nil {
			return err
		}

		containerName := util.DataContainersName(do.Name, do.Operations.ContainerNumber)
		os.Chdir(do.Source)

		reader, err := util.Tar(do.Source, 0)
		if err != nil {
			return err
		}
		defer reader.Close()

		opts := docker.UploadToContainerOptions{
			InputStream:          reader,
			Path:                 do.Destination,
			NoOverwriteDirNonDir: true,
		}

		log.WithField("=>", containerName).Info("Copying into container")
		log.WithField("path", do.Source).Debug()
		if err := util.DockerClient.UploadToContainer(service.ID, opts); err != nil {
			return err
		}

		doChown := definitions.NowDo()
		doChown.Operations.DataContainerName = containerName
		doChown.Operations.ContainerType = "data"
		doChown.Operations.ContainerNumber = do.Operations.ContainerNumber
		//required b/c `docker cp` (UploadToContainer) goes in as root
		doChown.Operations.Args = []string{"chown", "--recursive", "eris", do.Destination}
		_, err = perform.DockerRunData(doChown.Operations, nil)
		if err != nil {
			return fmt.Errorf("Error changing owner: %v\n", err)
		}
	} else {
		log.WithField("name", do.Name).Info("Data container does not exist.")
		ops := loaders.LoadDataDefinition(do.Name, do.Operations.ContainerNumber)
		if err := perform.DockerCreateData(ops); err != nil {
			return fmt.Errorf("Error creating data container %v.", err)
		}
		return ImportData(do)
	}
	do.Result = "success"
	return nil
}
Exemple #2
0
func ImportData(do *definitions.Do) error {
	if util.IsDataContainer(do.Name, do.Operations.ContainerNumber) {

		srv := PretendToBeAService(do.Name, do.Operations.ContainerNumber)
		service, exists := perform.ContainerExists(srv.Operations)

		if !exists {
			return fmt.Errorf("There is no data container for that service.")
		}

		containerName := util.DataContainersName(do.Name, do.Operations.ContainerNumber)
		logger.Debugf("Importing FROM =>\t\t%s\n", do.Source)
		os.Chdir(do.Source)

		logger.Debugf("Importing TO =>\t\t\t%s\n", do.Destination)
		reader, err := util.Tar(do.Source, 0)
		if err != nil {
			return err
		}
		defer reader.Close()

		opts := docker.UploadToContainerOptions{
			InputStream:          reader,
			Path:                 do.Destination,
			NoOverwriteDirNonDir: true,
		}

		logger.Infof("Copying into Cont. ID =>\t%s\n", service.ID)
		logger.Debugf("\tPath =>\t\t\t%s\n", do.Source)
		if err := util.DockerClient.UploadToContainer(service.ID, opts); err != nil {
			return err
		}

		doChown := definitions.NowDo()
		doChown.Operations.DataContainerName = containerName
		doChown.Operations.ContainerType = "data"
		doChown.Operations.ContainerNumber = 1
		doChown.Operations.Args = []string{"chown", "--recursive", "eris", do.Destination}
		_, err = perform.DockerRunData(doChown.Operations, nil)
		if err != nil {
			return fmt.Errorf("Error changing owner: %v\n", err)
		}
	} else {
		ops := loaders.LoadDataDefinition(do.Name, do.Operations.ContainerNumber)
		if err := perform.DockerCreateData(ops); err != nil {
			return fmt.Errorf("Error creating data container %v.", err)
		}
		return ImportData(do)
	}
	do.Result = "success"
	return nil
}
Exemple #3
0
// the main function for setting up a chain container
// handles both "new" and "fetch" - most of the differentiating logic is in the container
func setupChain(do *definitions.Do, cmd string) (err error) {
	// XXX: if do.Name is unique, we can safely assume (and we probably should) that do.Operations.ContainerNumber = 1

	// do.Name is mandatory
	if do.Name == "" {
		return fmt.Errorf("setupChain requires a chainame")
	}
	containerName := util.ChainContainersName(do.Name, do.Operations.ContainerNumber)
	if do.ChainID == "" {
		do.ChainID = do.Name
	}

	//if given path does not exist, see if its a reference to something in ~/.eris/chains/chainName
	if do.Path != "" {
		src, err := os.Stat(do.Path)
		if err != nil || !src.IsDir() {
			logger.Infof("Path (%s) does not exist or is not a directory, trying $HOME/.eris/chains/%s\n", do.Path, do.Path)
			do.Path, err = util.ChainsPathChecker(do.Path)
			if err != nil {
				return err
			}
		}
	} else if do.GenesisFile == "" && do.CSV == "" && len(do.ConfigOpts) == 0 {
		// NOTE: this expects you to have ~/.eris/chains/default/ (ie. to have run `eris init`)
		do.Path, err = util.ChainsPathChecker("default")
		if err != nil {
			return err
		}
	}

	// ensure/create data container
	if !data.IsKnown(do.Name) {
		ops := loaders.LoadDataDefinition(do.Name, do.Operations.ContainerNumber)
		if err := perform.DockerCreateData(ops); err != nil {
			return fmt.Errorf("Error creating data container =>\t%v", err)
		}
	} else {
		logger.Debugln("Data container already exists for", do.Name)
	}

	logger.Debugf("Chain's Data Contain Built =>\t%s\n", do.Name)

	// if something goes wrong, cleanup
	defer func() {
		if err != nil {
			logger.Infof("Error on setupChain =>\t\t%v\n", err)
			logger.Infoln("Cleaning up...")
			if err2 := RmChain(do); err2 != nil {
				// maybe be less dramatic
				err = fmt.Errorf("Tragic! Our marmots encountered an error during setupChain for %s.\nThey also failed to cleanup after themselves (remove containers) due to another error.\nFirst error =>\t\t\t%v\nCleanup error =>\t\t%v\n", containerName, err, err2)
			}
		}
	}()

	// copy do.Path, do.GenesisFile, do.ConfigFile, do.Priv, do.CSV into container
	containerDst := path.Join("chains", do.Name)                // path in container
	dst := path.Join(DataContainersPath, do.Name, containerDst) // path on host
	// TODO: deal with do.Operations.ContainerNumbers ....!
	// we probably need to update Import

	logger.Debugf("Container destination =>\t%s\n", containerDst)
	logger.Debugf("Local destination =>\t\t%s\n", dst)

	if err = os.MkdirAll(dst, 0700); err != nil {
		return fmt.Errorf("Error making data directory: %v", err)
	}

	// we accept two csvs: one for validators, one for accounts
	// if there's only one, its for validators and accounts
	var csvFiles []string
	var csvPaths string
	if do.CSV != "" {
		csvFiles = strings.Split(do.CSV, ",")
		if len(csvFiles) > 1 {
			csvPath1 := fmt.Sprintf("%s/%s/%s/%s", ErisContainerRoot, "chains", do.ChainID, "validators.csv")
			csvPath2 := fmt.Sprintf("%s/%s/%s/%s", ErisContainerRoot, "chains", do.ChainID, "accounts.csv")
			csvPaths = fmt.Sprintf("%s,%s", csvPath1, csvPath2)
		} else {
			csvPaths = fmt.Sprintf("%s/%s/%s/%s", ErisContainerRoot, "chains", do.ChainID, "genesis.csv")
		}
	}

	filesToCopy := []stringPair{
		{do.Path, ""},
		{do.GenesisFile, "genesis.json"},
		{do.ConfigFile, "config.toml"},
		{do.Priv, "priv_validator.json"},
	}

	if len(csvFiles) == 1 {
		filesToCopy = append(filesToCopy, stringPair{csvFiles[0], "genesis.csv"})
	} else if len(csvFiles) > 1 {
		filesToCopy = append(filesToCopy, stringPair{csvFiles[0], "validators.csv"})
		filesToCopy = append(filesToCopy, stringPair{csvFiles[1], "accounts.csv"})
	}

	logger.Infof("Copying chain files into the correct location.\n")
	if err := copyFiles(dst, filesToCopy); err != nil {
		return err
	}

	// copy from host to container
	logger.Debugf("Copying Files into DataCont =>\t%s:%s\n", dst, containerDst)
	importDo := definitions.NowDo()
	importDo.Name = do.Name
	importDo.Operations = do.Operations
	importDo.Destination = ErisContainerRoot
	importDo.Source = filepath.Join(DataContainersPath, do.Name)
	if err = data.ImportData(importDo); err != nil {
		return err
	}

	chain := loaders.MockChainDefinition(do.Name, do.ChainID, false, do.Operations.ContainerNumber)

	//set maintainer info
	chain.Maintainer.Name, chain.Maintainer.Email, err = config.GitConfigUser()
	if err != nil {
		logger.Debugf(err.Error())
	}

	// write the chain definition file ...
	fileName := filepath.Join(ChainsPath, do.Name) + ".toml"
	if _, err = os.Stat(fileName); err != nil {
		if err = WriteChainDefinitionFile(chain, fileName); err != nil {
			return fmt.Errorf("error writing chain definition to file: %v", err)
		}
	}

	chain, err = loaders.LoadChainDefinition(do.Name, false, do.Operations.ContainerNumber)
	if err != nil {
		return err
	}
	logger.Debugf("Chain Loaded. Image =>\t\t%v\n", chain.Service.Image)
	chain.Operations.PublishAllPorts = do.Operations.PublishAllPorts // TODO: remove this and marshall into struct from cli directly

	// cmd should be "new" or "install"
	chain.Service.Command = cmd

	// write the list of <key>:<value> config options as flags
	buf := new(bytes.Buffer)
	for _, cv := range do.ConfigOpts {
		spl := strings.Split(cv, "=")
		if len(spl) != 2 {
			return fmt.Errorf("Config options should be <key>=<value> pairs. Got %s", cv)
		}
		buf.WriteString(fmt.Sprintf(" --%s=%s", spl[0], spl[1]))
	}
	configOpts := buf.String()

	// set chainid and other vars
	envVars := []string{
		fmt.Sprintf("CHAIN_ID=%s", do.ChainID),
		fmt.Sprintf("CONTAINER_NAME=%s", containerName),
		fmt.Sprintf("CSV=%v", csvPaths),                                          // for mintgen
		fmt.Sprintf("CONFIG_OPTS=%s", configOpts),                                // for config.toml
		fmt.Sprintf("NODE_ADDR=%s", do.Gateway),                                  // etcb host
		fmt.Sprintf("DOCKER_FIX=%s", "                                        "), // https://github.com/docker/docker/issues/14203
	}
	envVars = append(envVars, do.Env...)

	if do.Run {
		// run erisdb instead of tendermint
		envVars = append(envVars, "ERISDB_API=true")
	}

	logger.Debugf("Set env vars from setupChain =>\t%v\n", envVars)
	chain.Service.Environment = append(chain.Service.Environment, envVars...)
	logger.Debugf("Set links from setupChain =>\t%v\n", do.Links)
	chain.Service.Links = append(chain.Service.Links, do.Links...)

	// TODO: if do.N > 1 ...

	chain.Operations.DataContainerName = util.DataContainersName(do.Name, do.Operations.ContainerNumber)

	if err := bootDependencies(chain, do); err != nil {
		return err
	}

	logger.Debugf("Starting chain via Docker =>\t%s\n", chain.Service.Name)
	logger.Debugf("\twith Image =>\t\t%s\n", chain.Service.Image)

	err = perform.DockerRunService(chain.Service, chain.Operations)
	// this err is caught in the defer above

	return
}