Docker容器无法将日志发送到Docker ELK堆栈 [英] Docker container cannot send log to docker ELK stack

问题描述

我部署了ELK堆栈和Spring Boot应用程序的另一个分离的Docker容器.

I deployed ELK stack and another separated docker container of spring boot app.

在Java应用程序中，我使用LogstashSocketAppender将日志发送到Logstash.

In the java app, I use the LogstashSocketAppender to send logs to logstash.

1. 如果Java应用程序在没有docker的情况下独立运行，则可以正常运行.
2. 但是当它作为docker容器运行时，logstash无法接收日志.

有人可以帮我弄清楚吗?

Can anyone help me figure out it?

logstash配置的一部分:

part of logstash configuration:

input {
    udp {
        port => 5000
        type => syslog
        codec => json
    }
}

dcoker端口:

dcoker port:

logstash$ 5000/udp -> 0.0.0.0:5000
springboot$ 8088/tcp -> 0.0.0.0:32981
elasticsearch$ 9200/tcp -> 0.0.0.0:9200 9300/tcp -> 0.0.0.0:9300
kibana$ 5601/tcp -> 0.0.0.0:5601

推荐答案

您可以通过如下配置Logstash并通过将其默认日志驱动程序更改为 syslog .

You can get your container logs by configuring Logstash as follows and running the container whose logs are to be viewed by changing its default log driver to syslog.

#logstash.conf

input {
  tcp {
    port => 5000
  }
}

output {
  stdout {}
}

以下容器的日志将到达日志记录中，并且可以通过 stdout 查看.

The below container's logs will reach the logstash and and can be viewed through stdout.

docker run --log-driver=syslog --log-opt syslog-address=tcp://<logstash-system-ip>:5000 <image>

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