Example #1
0
// FetchConfig reads the specified file from the SourceRepository and loads the
// TaskConfig contained therein (expecting it to be YAML format).
//
// The path must be in the format SOURCE_NAME/FILE/PATH.yml. The SOURCE_NAME
// will be used to determine the ArtifactSource in the SourceRepository to
// stream the file out of.
//
// If the source name is missing (i.e. if the path is just "foo.yml"),
// UnspecifiedArtifactSourceError is returned.
//
// If the specified source name cannot be found, UnknownArtifactSourceError is
// returned.
//
// If the task config file is not found, or is invalid YAML, or is an invalid
// task configuration, the respective errors will be bubbled up.
func (configSource FileConfigSource) FetchConfig(repo *SourceRepository) (atc.TaskConfig, error) {
	segs := strings.SplitN(configSource.Path, "/", 2)
	if len(segs) != 2 {
		return atc.TaskConfig{}, UnspecifiedArtifactSourceError{configSource.Path}
	}

	sourceName := SourceName(segs[0])
	filePath := segs[1]

	source, found := repo.SourceFor(sourceName)
	if !found {
		return atc.TaskConfig{}, UnknownArtifactSourceError{sourceName}
	}

	stream, err := source.StreamFile(filePath)
	if err != nil {
		return atc.TaskConfig{}, err
	}

	defer stream.Close()

	streamedFile, err := ioutil.ReadAll(stream)
	if err != nil {
		return atc.TaskConfig{}, err
	}

	config, err := atc.LoadTaskConfig(streamedFile)
	if err != nil {
		return atc.TaskConfig{}, fmt.Errorf("failed to load %s: %s", configSource.Path, err)
	}

	return config, nil
}
Example #2
0
func LoadTaskConfig(configPath string, args []string) (atc.TaskConfig, error) {
	configFile, err := ioutil.ReadFile(configPath)
	if err != nil {
		return atc.TaskConfig{}, fmt.Errorf("failed to read task config: %s", err)
	}

	config, err := atc.LoadTaskConfig(configFile)
	if err != nil {
		return atc.TaskConfig{}, err
	}

	config.Run.Args = append(config.Run.Args, args...)

	for k, _ := range config.Params {
		env, found := syscall.Getenv(k)
		if found {
			config.Params[k] = env
		}
	}

	return config, nil
}