官方记录：https://github.com/vectordotdev/vector/issues/2137
目前只支持file、docker
[sources.multiline_logs]
type = "file"
include = [ "/opt/multiline.log" ]
[sources.multiline_logs.multiline]
start_pattern = '^<\d+>'
mode = "halt_before"
condition_pattern = '<\d+>'
timeout_ms = 1000流氓使用：将获取的信息写入file在读取