func ImportData(do *definitions.Do) error {
if util.IsDataContainer(do.Name, do.Operations.ContainerNumber) {
containerName := util.DataContainersName(do.Name, do.Operations.ContainerNumber)
importPath := filepath.Join(DataContainersPath, do.Name)
// temp until docker cp works both ways.
logger.Debugf("Importing FROM =>\t\t%s\n", importPath)
os.Chdir(importPath)
// TODO [eb]: deal with hardcoded user
// TODO [csk]: drop the whole damn cmd call
// use go's tar lib to make a tarball of the directory
// read the tar file into an io.Reader
// start a container with its Stdin open, connect to an io.Writer
// connect them up with io.Pipe
// this will free us from any quirks that the cli has
if do.Path != "" {
do.Path = do.Path
} else {
do.Path = "/home/eris/.eris"
}
logger.Debugf("Importing TO =>\t\t\t%s\n", do.Path)
cmd := "tar chf - . | docker run -i --rm --volumes-from " + containerName + " --user eris eris/data tar xf - -C " + do.Path
_, err := pipes.RunString(cmd)
if err != nil {
cmd := "tar chf - . | docker run -i --volumes-from " + containerName + " --user eris eris/data tar xf - -C " + do.Path
_, e2 := pipes.RunString(cmd)
if e2 != nil {
return fmt.Errorf("Could not import the data container.\nTried with docker --rm =>\t%v\nTried without docker --rm =>\t%v", err, e2)
}
}
} else {
if err := perform.DockerCreateDataContainer(do.Name, do.Operations.ContainerNumber); err != nil {
return fmt.Errorf("Error creating data container %v.", err)
}
return ImportData(do)
}
do.Result = "success"
return nil
}
// Throw away chains are used for eris contracts
func ThrowAwayChain(do *definitions.Do) error {
do.Name = do.Name + "_" + strings.Split(uuid.New(), "-")[0]
do.Path = filepath.Join(ChainsPath, "default")
logger.Debugf("Making a ThrowAwayChain =>\t%s:%s\n", do.Name, do.Path)
if err := NewChain(do); err != nil {
return err
}
logger.Debugf("ThrowAwayChain created =>\t%s\n", do.Name)
do.Run = true // turns on edb api
StartChain(do) // XXX [csk]: may not need to do this now that New starts....
logger.Debugf("ThrowAwayChain started =>\t%s\n", do.Name)
return nil
}
// Throw away chains are used for eris contracts
func ThrowAwayChain(do *definitions.Do) error {
do.Name = do.Name + "_" + strings.Split(uuid.New(), "-")[0]
do.Path = filepath.Join(ChainsPath, "default")
log.WithFields(log.Fields{
"=>": do.Name,
"path": do.Path,
}).Debug("Making a throaway chain")
if err := NewChain(do); err != nil {
return err
}
log.WithField("=>", do.Name).Debug("Throwaway chain created")
do.Run = true // turns on edb api
StartChain(do) // XXX [csk]: may not need to do this now that New starts....
log.WithField("=>", do.Name).Debug("Throwaway chain started")
return nil
}
func RunPackage(do *definitions.Do) error {
logger.Debugf("Welcome! Say the Marmots. Running DApp package.\n")
pwd, err := os.Getwd()
if err != nil {
return fmt.Errorf("Could not get the present working directory. Are you on Mars?\nError: %v\n", err)
}
logger.Debugf("\twith Host Path =>\t%s:%s\n", do.Path, pwd)
dapp, err := loaders.LoadContractPackage(do.Path, do.ChainName, do.Name, do.Type)
if err != nil {
do.Result = "could not load package"
return err
}
if err := BootServicesAndChain(do, dapp); err != nil {
do.Result = "could not boot chain or services"
CleanUp(do, dapp)
return err
}
do.Path = pwd
if err := DefineDappActionService(do, dapp); err != nil {
do.Result = "could not define dapp action service"
CleanUp(do, dapp)
return err
}
if err := PerformDappActionService(do, dapp); err != nil {
do.Result = "could not perform dapp action service"
CleanUp(do, dapp)
return err
}
if err := CleanUp(do, dapp); err != nil {
do.Result = "could not cleanup"
return err
}
do.Result = "success"
return nil
}
func RunPackage(do *definitions.Do) error {
log.Debug("Welcome! Say the marmots. Running app package")
var err error
pwd, err = os.Getwd()
if err != nil {
return fmt.Errorf("Could not get the present working directory. Are you on Mars?\nError: %v\n", err)
}
log.WithFields(log.Fields{
"host path": do.Path,
"pwd": pwd,
}).Debug()
app, err := loaders.LoadContractPackage(do.Path, do.ChainName, do.Name, do.Type)
if err != nil {
do.Result = "could not load package"
return err
}
if err := BootServicesAndChain(do, app); err != nil {
do.Result = "could not boot chain or services"
CleanUp(do, app)
return err
}
do.Path = pwd
if err := DefineAppActionService(do, app); err != nil {
do.Result = "could not define app action service"
CleanUp(do, app)
return err
}
if err := PerformAppActionService(do, app); err != nil {
do.Result = "could not perform app action service"
CleanUp(do, app)
return err
}
do.Result = "success"
return CleanUp(do, app)
}
// Throw away chains are used for eris contracts
func ThrowAwayChain(do *definitions.Do) error {
do.Name = do.Name + "_" + strings.Split(uuid.New(), "-")[0]
do.Path = filepath.Join(ChainsConfigPath, "default")
logger.Debugf("Making a ThrowAwayChain =>\t%s:%s\n", do.Name, do.Path)
if err := NewChain(do); err != nil {
return err
}
logger.Debugf("ThrowAwayChain created =>\t%s\n", do.Name)
// fakeId := strings.Split(uuid.New(), "-")[0]
// srv, err := loaders.MockChainDefinition(do.Name, fakeId, true, 1)
// if err != nil {
// return err
// }
StartChain(do)
logger.Debugf("ThrowAwayChain started =>\t%s\n", do.Name)
return nil
}
func ExportData(do *definitions.Do) error {
if util.IsDataContainer(do.Name, do.Operations.ContainerNumber) {
logger.Infoln("Exporting data container", do.Name)
exportPath := filepath.Join(DataContainersPath, do.Name) // TODO: 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.")
}
logger.Infoln("Service ID: " + service.ID)
cont, err := util.DockerClient.InspectContainer(service.ID)
if err != nil {
return err
}
reader, writer := io.Pipe()
if do.Path != "" {
do.Path = do.Path
} else {
do.Path = "/home/eris/.eris"
}
opts := docker.CopyFromContainerOptions{
OutputStream: writer,
Container: service.ID,
Resource: do.Path,
}
go func() {
IfExit(util.DockerClient.CopyFromContainer(opts))
writer.Close()
}()
err = util.Untar(reader, do.Name, exportPath)
if err != nil {
return err
}
// docker actually exports to a `_data` folder for volumes
// this section of the function moves whatever docker dumps
// into exportPath/_data into export. ranging through the
// volumes is probably overkill as we could just assume
// that it *was* `_data` but in case docker changes later
// we'll just keep it for now.
os.Chdir(exportPath)
var unTarDestination string
for k, v := range cont.Volumes {
if k == "/home/eris/.eris" {
unTarDestination = filepath.Base(v)
}
}
if err := moveOutOfDirAndRmDir(filepath.Join(exportPath, unTarDestination), exportPath); err != nil {
return err
}
// now if docker dumps to exportPath/.eris we should remove
// move everything from .eris to exportPath
if err := moveOutOfDirAndRmDir(filepath.Join(exportPath, ".eris"), exportPath); err != nil {
return err
}
} else {
return fmt.Errorf("I cannot find that data container. Please check the data container name you sent me.")
}
do.Result = "success"
return nil
}
func ExportData(do *definitions.Do) error {
if util.IsDataContainer(do.Name, do.Operations.ContainerNumber) {
dVer, err := util.DockerClientVersion()
if err != nil {
return err
}
logger.Infoln("Exporting data container", do.Name)
// we want to export to a temp directory.
exportPath, err := ioutil.TempDir(os.TempDir(), do.Name) // TODO: do.Operations.ContainerNumber ?
defer os.Remove(exportPath)
if err != nil {
return err
}
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.")
}
cont, err := util.DockerClient.InspectContainer(service.ID)
if err != nil {
return err
}
reader, writer := io.Pipe()
defer reader.Close()
if do.Path != "" {
do.Path = do.Path
} else {
do.Path = "/home/eris/.eris"
}
opts := docker.CopyFromContainerOptions{
OutputStream: writer,
Container: service.ID,
Resource: do.Path,
}
go func() {
logger.Infof("Copying out of Cont. ID =>\t%s\n", service.ID)
logger.Debugf("\tPath =>\t\t\t%s\n", do.Path)
IfExit(util.DockerClient.CopyFromContainer(opts))
writer.Close()
}()
logger.Debugf("Untarring Package from Cont =>\t%s\n", exportPath)
if err = util.Untar(reader, do.Name, exportPath); err != nil {
return err
}
// docker actually exports to a `_data` folder for volumes
// this section of the function moves whatever docker dumps
// into exportPath/_data into export. ranging through the
// volumes is probably overkill as we could just assume
// that it *was* `_data` but in case docker changes later
// we'll just keep it for now. this is specific to 1.7 and
// below. For 1.8 we do not need to do this.
os.Chdir(exportPath)
var unTarDestination string
for k, v := range cont.Volumes {
if k == do.Path {
unTarDestination = filepath.Base(v)
}
}
logger.Debugf("Untarring to =>\t\t\t%s:%s\n", exportPath, unTarDestination)
if dVer <= 1.7 {
if err := moveOutOfDirAndRmDir(filepath.Join(exportPath, unTarDestination), exportPath); err != nil {
return err
}
}
// now if docker dumps to exportPath/.eris we should remove
// move everything from .eris to exportPath
if err := moveOutOfDirAndRmDir(filepath.Join(exportPath, ".eris"), exportPath); err != nil {
return err
}
// finally remove everything in the data directory and move
// the temp contents there
prevDir := filepath.Join(DataContainersPath, do.Name)
if _, err := os.Stat(prevDir); os.IsNotExist(err) {
if e2 := os.MkdirAll(prevDir, 0666); e2 != nil {
return fmt.Errorf("Error:\tThe marmots could neither find, nor had access to make the directory: (%s)\n", prevDir)
}
}
ClearDir(prevDir)
if err := moveOutOfDirAndRmDir(exportPath, prevDir); err != nil {
return err
}
} else {
return fmt.Errorf("I cannot find that data container. Please check the data container name you sent me.")
}
do.Result = "success"
return nil
}
