in lib/logstash/outputs/kusto.rb [175:186]
def validate_path
if (root_directory =~ FIELD_REF) != nil
@logger.error('The starting part of the path should not be dynamic.', path: @path)
raise LogStash::ConfigurationError.new('The starting part of the path should not be dynamic.')
end
if !path_with_field_ref?
@logger.error('Path should include some time related fields to allow for file rotation.', path: @path)
raise LogStash::ConfigurationError.new('Path should include some time related fields to allow for file rotation.')
end
end