Function newBaseTemplateEngine

reporting/report.go:343–387

(
	ctx context.Context,
	config_obj *config_proto.Config,
	scope vfilter.Scope,
	acl_manager vql_subsystem.ACLManager,
	uploader uploads.Uploader,
	repository services.Repository,
	artifact_name string)

}

func newBaseTemplateEngine(
	ctx context.Context,
	config_obj *config_proto.Config,
	scope vfilter.Scope,
	acl_manager vql_subsystem.ACLManager,
	uploader uploads.Uploader,
	repository services.Repository,
	artifact_name string) (
	*BaseTemplateEngine, error) {

	artifact, pres := repository.Get(ctx, config_obj, artifact_name)
	if !pres {
		return nil, fmt.Errorf(
			"Artifact %v not known.", artifact_name)
	}

	// The template shares the same scope environment for the
	// whole processing. Keep a reference to the environment so
	// SetEnv() can update it later.
	env := ordereddict.NewDict()
	if scope == nil {
		manager, err := services.GetRepositoryManager(config_obj)
		if err != nil {
			return nil, err
		}

		scope = manager.BuildScope(
			services.ScopeBuilder{
				Config:     config_obj,
				Uploader:   uploader,
				ACLManager: acl_manager,
			})
	}
	scope.AppendVars(env)

	// Closing the scope is deferred to closing the template.
	return &BaseTemplateEngine{
		Artifact:   artifact,
		Repository: repository,
		Scope:      scope,
		Env:        env,
		logger:     logging.GetLogger(config_obj, &logging.FrontendComponent),
		config_obj: config_obj,
	}, nil
}

// Go templates require template escape sequences to be all on one
// line. This makes it very hard to work with due to wrapping and does