Fluentd Sidecar无法将日志发送到Elasticsearch：类型删除已弃用在批量请求中指定类型

问题描述

我有一个配置为可收集应用容器日志的sidecar容器。

我首先使用以下配置测试了fleunt.conf：

<source>
    @type forward
    bind "127.0.0.1"
    port 24224
    <parse>
      @type json
    </parse>
  </source>
  <match app.default>
    @type stdout
  </match>

当我使用fluentd将kubectl容器的日志拖到pod中时，效果很好，我可以看到JSON格式的应用日志。

现在，我正在尝试将日志发送到elasticsearch。这是我的fluent.conf，表示相同：

<source>
    @type forward
    bind "127.0.0.1"
    port 24224
    <parse>
      @type json
    </parse>
  </source>
  <match app.default>
    @type elasticsearch
    host "elasticsearch_host"
    port 9200
    index_name "app-log"
    user "log_user"
    password xxxxxx
  </match>

流利的容器在pod内运行良好，但是我无法定义在Kibana的fluetn.conf中配置的索引。看来索引模式没有加载到elasticsearch中。

fluentd容器显示以下警告：

2020-10-22 12:31:10 +0000 [info]: parsing config file is succeeded path="/fluentd/etc/fluent.conf"
2020-10-22 12:31:10 +0000 [info]: gem 'fluent-plugin-elasticsearch' version '4.0.0'
2020-10-22 12:31:10 +0000 [info]: gem 'fluentd' version '1.10.4'
2020-10-22 12:31:12 +0000 [info]: using configuration file: <ROOT>
  <source>
    @type forward
    bind "127.0.0.1"
    port 24224
    <parse>
      @type json
    </parse>
  </source>
  <match app.default>
    @type elasticsearch
    host "elasticsearch_host"
    port 9200
    index_name "app-log"
    user "log_user"
    password xxxxxx
  </match>
</ROOT>
2020-10-22 12:31:12 +0000 [info]: starting fluentd-1.10.4 pid=8 ruby="2.5.8"
2020-10-22 12:31:12 +0000 [info]: spawn command to main:  cmdline=["/usr/bin/ruby","-Eascii-8bit:ascii-8bit","/usr/bin/fluentd","-c","/fluentd/etc/fluent.conf","-p","/fluentd/plugins","--under-supervisor"]
2020-10-22 12:31:16 +0000 [info]: adding match pattern="app.default" type="elasticsearch"
2020-10-22 12:31:17 +0000 [warn]: #0 Detected ES 7.x: `_doc` will be used as the document `_type`.
2020-10-22 12:31:17 +0000 [info]: adding source type="forward"
2020-10-22 12:31:17 +0000 [warn]: section <parse> is not used in <source> of forward plugin
2020-10-22 12:31:17 +0000 [info]: #0 starting fluentd worker pid=22 ppid=8 worker=0
2020-10-22 12:31:17 +0000 [info]: #0 listening port port=24224 bind="127.0.0.1"
2020-10-22 12:31:17 +0000 [info]: #0 fluentd worker is Now running worker=0
warning: 299 Elasticsearch-7.5.0-e9ccaed468e2fac2275a3761849cbee64b39519f "[types removal] Specifying types in bulk requests is deprecated."
warning: 299 Elasticsearch-7.5.0-e9ccaed468e2fac2275a3761849cbee64b39519f "[types removal] Specifying types in bulk requests is deprecated."
warning: 299 Elasticsearch-7.5.0-e9ccaed468e2fac2275a3761849cbee64b39519f "[types removal] Specifying types in bulk requests is deprecated."

如何摆脱此警告"[types removal] Specifying types in bulk requests is deprecated."？ fluent.conf是否有任何其他配置可以帮助我克服这些困难？

我尝试在配置中使用suppress_type_name true，但没有用。

解决方法

仅在插件的版本4.0.10 https://github.com/uken/fluent-plugin-elasticsearch/blob/master/History.md#4010中添加了对suppress_type_name true的支持。

根据日志，您正在运行4.0.0，因此升级和设置config中的标志应摆脱警告。该警告不应影响批量请求。

elasticsearch fluentd