// 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
}
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
}
func runContainer(t *testing.T, ops *def.Operation) []byte {
oldWriter := config.GlobalConfig.Writer
newWriter := new(bytes.Buffer)
config.GlobalConfig.Writer = newWriter
b, err := perform.DockerRunData(ops, nil)
if err != nil {
tests.IfExit(err)
}
logger.Debugf("Container ran =>\t\t%s:%v\n", ops.DataContainerName, ops.Args)
config.GlobalConfig.Writer = oldWriter
return b
}
func RegisterChain(do *definitions.Do) error {
// do.Name is mandatory
if do.Name == "" {
return fmt.Errorf("RegisterChain requires a chainame")
}
etcbChain := do.ChainID
do.ChainID = do.Name
// NOTE: registration expects you to have the data container
if !util.IsDataContainer(do.Name, do.Operations.ContainerNumber) {
return fmt.Errorf("Registration requires you to have a data container for the chain. Could not find data for %s", do.Name)
}
chain, err := loaders.LoadChainDefinition(do.Name, false, do.Operations.ContainerNumber)
if err != nil {
return err
}
log.WithField("image", chain.Service.Image).Debug("Chain loaded")
// set chainid and other vars
envVars := []string{
fmt.Sprintf("CHAIN_ID=%s", do.ChainID), // of the etcb chain
fmt.Sprintf("PUBKEY=%s", do.Pubkey), // pubkey to register chain with
fmt.Sprintf("ETCB_CHAIN_ID=%s", etcbChain), // chain id of the etcb chain
fmt.Sprintf("NODE_ADDR=%s", do.Gateway), // etcb node to send the register tx to
fmt.Sprintf("NEW_P2P_SEEDS=%s", do.Operations.Args[0]), // seeds to register for the chain // TODO: deal with multi seed (needs support in tendermint)
}
envVars = append(envVars, do.Env...)
log.WithFields(log.Fields{
"environment": envVars,
"links": do.Links,
}).Debug("Registering chain with")
chain.Service.Environment = append(chain.Service.Environment, envVars...)
chain.Service.Links = append(chain.Service.Links, do.Links...)
if err := bootDependencies(chain, do); err != nil {
return err
}
log.WithFields(log.Fields{
"=>": chain.Service.Name,
"image": chain.Service.Image,
}).Debug("Performing chain container start")
chain.Operations = loaders.LoadDataDefinition(chain.Service.Name, do.Operations.ContainerNumber)
chain.Operations.Args = []string{loaders.ErisChainRegister}
_, err = perform.DockerRunData(chain.Operations, chain.Service)
return err
}
func runContainer(t *testing.T, ops *def.Operation) []byte {
oldWriter := config.GlobalConfig.Writer
newWriter := new(bytes.Buffer)
config.GlobalConfig.Writer = newWriter
b, err := perform.DockerRunData(ops, nil)
if err != nil {
tests.IfExit(err)
}
log.WithFields(log.Fields{
"=>": ops.DataContainerName,
"args": ops.Args,
}).Debug("Container ran (from tests)")
config.GlobalConfig.Writer = oldWriter
return b
}
// eris chains new --dir _ -g _
// the default chain_id is my_tests, so should be overwritten
func TestChainsNewDirGen(t *testing.T) {
chainID := "testChainsNewDirGen"
myDir := filepath.Join(common.DataContainersPath, chainID)
if err := os.MkdirAll(myDir, 0700); err != nil {
tests.IfExit(err)
}
contents := "this is a file in the directory\n"
if err := ioutil.WriteFile(filepath.Join(myDir, "file.file"), []byte(contents), 0664); err != nil {
tests.IfExit(err)
}
do := def.NowDo()
do.GenesisFile = filepath.Join(common.ChainsPath, "default", "genesis.json")
do.Name = chainID
do.Path = myDir
do.Operations.ContainerNumber = 1
do.Operations.PublishAllPorts = true
log.WithField("=>", do.Name).Info("Creating chain (from tests)")
tests.IfExit(NewChain(do))
// remove the data container
defer removeChainContainer(t, chainID, do.Operations.ContainerNumber)
// verify the contents of file.file - swap config writer with bytes.Buffer
// TODO: functions for facilitating this
oldWriter := config.GlobalConfig.Writer
newWriter := new(bytes.Buffer)
config.GlobalConfig.Writer = newWriter
ops := loaders.LoadDataDefinition(do.Name, do.Operations.ContainerNumber)
util.Merge(ops, do.Operations)
ops.Args = []string{"cat", fmt.Sprintf("/home/eris/.eris/file.file")}
b, err := perform.DockerRunData(ops, nil)
if err != nil {
tests.IfExit(err)
}
config.GlobalConfig.Writer = oldWriter
result := trimResult(string(b))
contents = trimResult(contents)
if result != contents {
tests.IfExit(fmt.Errorf("file not faithfully copied. Got: %s \n Expected: %s", result, contents))
}
// verify the chain_id got swapped in the genesis.json
// TODO: functions for facilitating this
oldWriter = config.GlobalConfig.Writer
newWriter = new(bytes.Buffer)
config.GlobalConfig.Writer = newWriter
ops = loaders.LoadDataDefinition(do.Name, do.Operations.ContainerNumber)
util.Merge(ops, do.Operations)
ops.Args = []string{"cat", fmt.Sprintf("/home/eris/.eris/chains/%s/genesis.json", chainID)} //, "|", "jq", ".chain_id"}
b, err = perform.DockerRunData(ops, nil)
if err != nil {
tests.IfExit(err)
}
config.GlobalConfig.Writer = oldWriter
result = string(b)
s := struct {
ChainID string `json:"chain_id"`
}{}
if err := json.Unmarshal([]byte(result), &s); err != nil {
tests.IfExit(err)
}
if s.ChainID != chainID {
tests.IfExit(fmt.Errorf("ChainID mismatch: got %s, expected %s", s.ChainID, chainID))
}
}