// viper read config file, marshal to definition struct,
// load service, validate name and data container
func LoadChainDefinition(chainName string, newCont bool, cNum ...int) (*definitions.Chain, error) {
if len(cNum) == 0 {
cNum = append(cNum, 0)
}
if cNum[0] == 0 {
cNum[0] = util.AutoMagic(0, definitions.TypeChain, newCont)
log.WithField("=>", fmt.Sprintf("%s:%d", chainName, cNum[0])).Debug("Loading chain definition (autoassigned)")
} else {
log.WithField("=>", fmt.Sprintf("%s:%d", chainName, cNum[0])).Debug("Loading chain definition")
}
chain := definitions.BlankChain()
chain.Name = chainName
chain.Operations.ContainerNumber = cNum[0]
chain.Operations.ContainerType = definitions.TypeChain
chain.Operations.Labels = util.Labels(chain.Name, chain.Operations)
if err := setChainDefaults(chain); err != nil {
return nil, err
}
chainConf, err := config.LoadViperConfig(filepath.Join(ChainsPath), chainName, "chain")
if err != nil {
return nil, err
}
// marshal chain and always reset the operational requirements
// this will make sure to sync with docker so that if changes
// have occured in the interim they are caught.
if err = MarshalChainDefinition(chainConf, chain); err != nil {
return nil, err
}
// Docker 1.6 (which eris doesn't support) had different linking mechanism.
if ver, _ := util.DockerClientVersion(); ver >= version.DVER_MIN {
if chain.Dependencies != nil {
addDependencyVolumesAndLinks(chain.Dependencies, chain.Service, chain.Operations)
}
}
checkChainNames(chain)
log.WithFields(log.Fields{
"container number": chain.Operations.ContainerNumber,
"environment": chain.Service.Environment,
"entrypoint": chain.Service.EntryPoint,
"cmd": chain.Service.Command,
}).Debug("Chain definition loaded")
return chain, nil
}
// viper read config file, marshal to definition struct,
// load service, validate name and data container
func LoadChainDefinition(chainName string, newCont bool, cNum ...int) (*definitions.Chain, error) {
if len(cNum) == 0 {
cNum = append(cNum, 0)
}
if cNum[0] == 0 {
cNum[0] = util.AutoMagic(0, "chain", newCont)
logger.Debugf("Loading Chain Definition =>\t%s:%d (autoassigned)\n", chainName, cNum[0])
} else {
logger.Debugf("Loading Chain Definition =>\t%s:%d\n", chainName, cNum[0])
}
chain := definitions.BlankChain()
chain.Name = chainName
chain.Operations.ContainerNumber = cNum[0]
if err := setChainDefaults(chain); err != nil {
return nil, err
}
chainConf, err := config.LoadViperConfig(path.Join(BlockchainsPath), chainName, "chain")
if err != nil {
return nil, err
}
// marshal chain and always reset the operational requirements
// this will make sure to sync with docker so that if changes
// have occured in the interim they are caught.
if err = MarshalChainDefinition(chainConf, chain); err != nil {
return nil, err
}
// Docker 1.6 (which eris doesn't support) had different linking mechanism.
if ver, _ := util.DockerClientVersion(); ver >= 1.7 {
if chain.Dependencies != nil {
addDependencyVolumesAndLinks(chain.Dependencies, chain.Service, chain.Operations)
}
}
checkChainNames(chain)
logger.Debugf("Chain Loader. ContNumber =>\t%d\n", chain.Operations.ContainerNumber)
logger.Debugf("\twith Environment =>\t%v\n", chain.Service.Environment)
logger.Debugf("\tBooting =>\t\t%v:%v\n", chain.Service.EntryPoint, chain.Service.Command)
return chain, nil
}
func LoadServiceDefinition(servName string, newCont bool, cNum ...int) (*definitions.ServiceDefinition, error) {
if len(cNum) == 0 {
cNum = append(cNum, 0)
}
if cNum[0] == 0 {
cNum[0] = util.AutoMagic(0, definitions.TypeService, newCont)
logger.Debugf("Loading Service Definition =>\t%s:%d (autoassigned)\n", servName, cNum[0])
} else {
logger.Debugf("Loading Service Definition =>\t%s:%d\n", servName, cNum[0])
}
srv := definitions.BlankServiceDefinition()
srv.Operations.ContainerType = definitions.TypeService
srv.Operations.ContainerNumber = cNum[0]
srv.Operations.Labels = util.Labels(servName, srv.Operations)
serviceConf, err := loadServiceDefinition(servName)
if err != nil {
return nil, err
}
if err = MarshalServiceDefinition(serviceConf, srv); err != nil {
return nil, err
}
if srv.Service == nil {
return nil, fmt.Errorf("No service given.")
}
if err = checkImage(srv.Service); err != nil {
return nil, err
}
// Docker 1.6 (which eris doesn't support) had different linking mechanism.
if ver, _ := util.DockerClientVersion(); ver >= version.DVER_MIN {
addDependencyVolumesAndLinks(srv.Dependencies, srv.Service, srv.Operations)
}
ServiceFinalizeLoad(srv)
return srv, nil
}
Complete documentation is available at https://docs.erisindustries.com
` + "\nVersion:\n " + VERSION,
PersistentPreRun: func(cmd *cobra.Command, args []string) {
var logLevel log.LogLevel
if do.Verbose {
logLevel = 2
} else if do.Debug {
logLevel = 3
}
log.SetLoggers(logLevel, config.GlobalConfig.Writer, config.GlobalConfig.ErrorWriter)
ipfs.IpfsHost = config.GlobalConfig.Config.IpfsHost
util.DockerConnect(do.Verbose, do.MachineName)
dockerVersion, _ := util.DockerClientVersion()
marmot := "Come back after you have upgraded and the marmots will be happy to service your blockchain management needs"
if dockerVersion < dVerMin {
IfExit(fmt.Errorf("Eris requires docker version >= %v\nThe marmots have detected docker version: %v\n%s", dVerMin, dockerVersion, marmot))
}
},
PersistentPostRun: func(cmd *cobra.Command, args []string) {
err := config.SaveGlobalConfig(config.GlobalConfig.Config)
if err != nil {
logger.Errorln(err)
}
log.Flush()
},
}
func Execute() {
` + "\nVersion:\n " + VERSION,
PersistentPreRun: func(cmd *cobra.Command, args []string) {
log.SetFormatter(logger.ErisFormatter{})
log.SetLevel(log.WarnLevel)
if do.Verbose {
log.SetLevel(log.InfoLevel)
} else if do.Debug {
log.SetLevel(log.DebugLevel)
}
ipfs.IpfsHost = config.GlobalConfig.Config.IpfsHost
util.DockerConnect(do.Verbose, do.MachineName)
dockerVersion, err := util.DockerClientVersion()
if err != nil {
IfExit(fmt.Errorf("There was an error connecting to your docker daemon.\nCome back after you have resolved and the marmots will be happy to service your blockchain management needs\n\n%v", err))
}
marmot := "Come back after you have upgraded and the marmots will be happy to service your blockchain management needs"
if dockerVersion < dVerMin {
IfExit(fmt.Errorf("Eris requires docker version >= %v\nThe marmots have detected docker version: %v\n%s", dVerMin, dockerVersion, marmot))
}
},
PersistentPostRun: func(cmd *cobra.Command, args []string) {
err := config.SaveGlobalConfig(config.GlobalConfig.Config)
if err != nil {
log.Errorln(err)
}
},
}
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
}