func runContainer(t *testing.T, name string, args []string) []byte {
oldWriter := config.GlobalConfig.Writer
newWriter := new(bytes.Buffer)
config.GlobalConfig.Writer = newWriter
b, err := perform.DockerRunVolumesFromContainer(name, false, args, nil)
if err != nil {
fatal(t, err)
}
logger.Debugf("Container ran =>\t\t%s:%v\n", name, args)
config.GlobalConfig.Writer = oldWriter
return b
}
func ExecData(do *definitions.Do) error {
if util.IsDataContainer(do.Name, do.Operations.ContainerNumber) {
do.Name = util.DataContainersName(do.Name, do.Operations.ContainerNumber)
logger.Infoln("Running exec on container with volumes from data container " + do.Name)
if err := perform.DockerRunVolumesFromContainer(do.Name, do.Interactive, do.Args); 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 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 !data.IsKnown(do.Name) {
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
}
logger.Debugf("Chain Loaded. Image =>\t\t%v\n", chain.Service.Image)
// 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.Args[0]), // seeds to register for the chain // TODO: deal with multi seed (needs support in tendermint)
}
envVars = append(envVars, do.Env...)
logger.Debugf("Set env vars from RegisterChain =>\t%v\n", envVars)
chain.Service.Environment = append(chain.Service.Environment, envVars...)
logger.Debugf("Set links from RegisterChain =>\t%v\n", do.Links)
chain.Service.Links = append(chain.Service.Links, do.Links...)
if err := bootDependencies(chain, do); err != nil {
return err
}
logger.Debugf("Starting chain container via Docker =>\t%s\n", chain.Service.Name)
logger.Debugf("\twith Image =>\t\t%s\n", chain.Service.Image)
cmd := []string{loaders.ErisChainRegister}
dataContainerName := util.DataContainersName(chain.Name, chain.Operations.ContainerNumber)
_, err = perform.DockerRunVolumesFromContainer(dataContainerName, false, cmd, chain.Service)
return err
}
// eris chains new --dir _ -g _
// the default chain_id is my_tests, so should be overwritten
func TestChainsNewDirGen(t *testing.T) {
chainID := "testChainsNewDirGen"
myDir := path.Join(common.DataContainersPath, chainID)
if err := os.MkdirAll(myDir, 0700); err != nil {
fatal(t, err)
}
contents := "this is a file in the directory\n"
if err := ioutil.WriteFile(path.Join(myDir, "file.file"), []byte(contents), 0600); err != nil {
fatal(t, err)
}
do := def.NowDo()
do.GenesisFile = path.Join(common.BlockchainsPath, "default", "genesis.json")
do.Name = chainID
do.Path = myDir
do.Operations.ContainerNumber = 1
logger.Infof("Creating chain (from tests) =>\t%s\n", do.Name)
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
do.Name = util.DataContainersName(do.Name, do.Operations.ContainerNumber)
oldWriter := config.GlobalConfig.Writer
newWriter := new(bytes.Buffer)
config.GlobalConfig.Writer = newWriter
args := []string{"cat", fmt.Sprintf("/home/eris/.eris/blockchains/%s/file.file", chainID)}
b, err := perform.DockerRunVolumesFromContainer(do.Name, false, args, nil)
if err != nil {
fatal(t, err)
}
config.GlobalConfig.Writer = oldWriter
result := trimResult(string(b))
contents = trimResult(contents)
if result != contents {
fatal(t, 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
args = []string{"cat", fmt.Sprintf("/home/eris/.eris/blockchains/%s/genesis.json", chainID)} //, "|", "jq", ".chain_id"}
b, err = perform.DockerRunVolumesFromContainer(do.Name, false, args, nil)
if err != nil {
fatal(t, err)
}
config.GlobalConfig.Writer = oldWriter
result = string(b)
s := struct {
ChainID string `json:"chain_id"`
}{}
if err := json.Unmarshal([]byte(result), &s); err != nil {
fatal(t, err)
}
if s.ChainID != chainID {
fatal(t, fmt.Errorf("ChainID mismatch: got %s, expected %s", s.ChainID, chainID))
}
}