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xiaolong2026-05-21
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SpringBoot集成ELK ​

SpringBoot集成ELK ​

一.ElasticSearch的安装 ​

  1. 下载安装包
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.1.0-linux-x86_64.tar.gz
  1. 解压安装包
tar -xzvf elasticsearch-7.1.0-linux-x86_64.tar.gz
  1. 新建用户和组(es不建议用root用户启用,需要新建用户)
shell
#新建组
groupadd elsearch
#新增用户,并且授予密码
useradd elsearch -g elsearch -p elasticsearch
#切换用户
su elsearch
#授予解压es包的权限
chmod -R 777 elasticsearch-7.1.0

vi /etc/sysctl.conf
vm.max_map_count=262144
sysctl -p
  1. 更改配置
yaml
vim ./config/elasticsearch.yml

# ======================== Elasticsearch Configuration =========================
#
# NOTE: Elasticsearch comes with reasonable defaults for most settings.
#       Before you set out to tweak and tune the configuration, make sure you
#       understand what are you trying to accomplish and the consequences.
#
# The primary way of configuring a node is via this file. This template lists
# the most important settings you may want to configure for a production cluster.
#
# Please consult the documentation for further information on configuration options:
# https://www.elastic.co/guide/en/elasticsearch/reference/index.html
#
# ---------------------------------- Cluster -----------------------------------
#
# Use a descriptive name for your cluster:
#
#cluster.name: my-application
#
# ------------------------------------ Node ------------------------------------
#
# Use a descriptive name for the node:
#
#node.name: node-1
#
# Add custom attributes to the node:
#
#node.attr.rack: r1
#
# ----------------------------------- Paths ------------------------------------
#
# Path to directory where to store the data (separate multiple locations by comma):
#
#path.data: /path/to/data
#
# Path to log files:
#
#path.logs: /path/to/logs
#
# ----------------------------------- Memory -----------------------------------
#
# Lock the memory on startup:
#
#bootstrap.memory_lock: true
#
# Make sure that the heap size is set to about half the memory available
# on the system and that the owner of the process is allowed to use this
# limit.
#
# Elasticsearch performs poorly when the system is swapping the memory.
#
# ---------------------------------- Network -----------------------------------
#
# Set the bind address to a specific IP (IPv4 or IPv6):
#
network.host: 0.0.0.0
#
# Set a custom port for HTTP:
#
#http.port: 9200
#
# For more information, consult the network module documentation.
#
# --------------------------------- Discovery ----------------------------------
#
# Pass an initial list of hosts to perform discovery when this node is started:
# The default list of hosts is ["127.0.0.1", "[::1]"]
#
#discovery.seed_hosts: ["host1", "host2"]
#
# Bootstrap the cluster using an initial set of master-eligible nodes:
#
#cluster.initial_master_nodes: ["node-1", "node-2"]

discovery.seed_hosts: ["127.0.0.1", "[::1]"]
cluster.initial_master_nodes: ["node-1"]


# For more information, consult the discovery and cluster formation module documentation.
#
# ---------------------------------- Gateway -----------------------------------
#
# Block initial recovery after a full cluster restart until N nodes are started:
#
#gateway.recover_after_nodes: 3
#
# For more information, consult the gateway module documentation.
#
# ---------------------------------- Various -----------------------------------
#
# Require explicit names when deleting indices:
#
#action.destructive_requires_name: true
  1. 启动ElasticSearch
shell
#进入到安装包的bin目录下
./elasticsearch

二.logstash的安装 ​

1.下载logstash的包

wget https://artifacts.elastic.co/downloads/logstash/logstash-7.1.0.tar.gz

2.解压安装包

tar -xzvf logstash-7.1.0.tar.gz

3.新增数据存储到es的配置

shell
#进入logstash-7.1.0目录下的config中
cd logstash-7.1.0/config
#新增文件
vim logstash.conf
input {                                                                                                          
   tcp {
       port => 4560                                                                                             
       codec => "json"                                                                                          
   }                                                                                                            
}                                                                                                                
output {                                                                                                         
   elasticsearch { 
       hosts => ["127.0.0.1:9200"]
       index => "logstash-%{+YYYY.MM.dd}"  #索引名
   }                                                               
   stdout { codec => rubydebug }                                                                              
}

4.启动logstash

../bin/logstash -f logstash.conf

三.kibana的安装 ​

1.下载kibana的包

wget https://artifacts.elastic.co/downloads/kibana/kibana-7.1.0-linux-x86_64.tar.gz

2.解压kibana的包

tar -xzvf kibana-7.1.0-linux-x86_64.tar.gz

3.修改kibana的配置文件

shell
#进入kibana的配置文件的目录
cd kibana-7.1.0-linux-x86_64/config
#修改kibana.yml的配置文件
vim kibana.yml

# Kibana is served by a back end server. This setting specifies the port to use.
server.port: 5601

# Specifies the address to which the Kibana server will bind. IP addresses and host names are both valid values.
# The default is 'localhost', which usually means remote machines will not be able to connect.
# To allow connections from remote users, set this parameter to a non-loopback address.
server.host: "0.0.0.0"

# Enables you to specify a path to mount Kibana at if you are running behind a proxy.
# Use the `server.rewriteBasePath` setting to tell Kibana if it should remove the basePath
# from requests it receives, and to prevent a deprecation warning at startup.
# This setting cannot end in a slash.
#server.basePath: ""

# Specifies whether Kibana should rewrite requests that are prefixed with
# `server.basePath` or require that they are rewritten by your reverse proxy.
# This setting was effectively always `false` before Kibana 6.3 and will
# default to `true` starting in Kibana 7.0.
#server.rewriteBasePath: false

# The maximum payload size in bytes for incoming server requests.
#server.maxPayloadBytes: 1048576

# The Kibana server's name.  This is used for display purposes.
#server.name: "your-hostname"

# The URLs of the Elasticsearch instances to use for all your queries.
elasticsearch.hosts: ["http://127.0.0.1:9200"]

# When this setting's value is true Kibana uses the hostname specified in the server.host
# setting. When the value of this setting is false, Kibana uses the hostname of the host
# that connects to this Kibana instance.
#elasticsearch.preserveHost: true

# Kibana uses an index in Elasticsearch to store saved searches, visualizations and
# dashboards. Kibana creates a new index if the index doesn't already exist.
#kibana.index: ".kibana"

# The default application to load.
#kibana.defaultAppId: "home"

# If your Elasticsearch is protected with basic authentication, these settings provide
# the username and password that the Kibana server uses to perform maintenance on the Kibana
# index at startup. Your Kibana users still need to authenticate with Elasticsearch, which
# is proxied through the Kibana server.
#elasticsearch.username: "user"
#elasticsearch.password: "pass"

# Enables SSL and paths to the PEM-format SSL certificate and SSL key files, respectively.
# These settings enable SSL for outgoing requests from the Kibana server to the browser.
#server.ssl.enabled: false
#server.ssl.certificate: /path/to/your/server.crt
#server.ssl.key: /path/to/your/server.key

# Optional settings that provide the paths to the PEM-format SSL certificate and key files.
# These files validate that your Elasticsearch backend uses the same key files.
#elasticsearch.ssl.certificate: /path/to/your/client.crt
#elasticsearch.ssl.key: /path/to/your/client.key

# Optional setting that enables you to specify a path to the PEM file for the certificate
# authority for your Elasticsearch instance.
#elasticsearch.ssl.certificateAuthorities: [ "/path/to/your/CA.pem" ]

# To disregard the validity of SSL certificates, change this setting's value to 'none'.
#elasticsearch.ssl.verificationMode: full

# Time in milliseconds to wait for Elasticsearch to respond to pings. Defaults to the value of
# the elasticsearch.requestTimeout setting.
#elasticsearch.pingTimeout: 1500

# Time in milliseconds to wait for responses from the back end or Elasticsearch. This value
# must be a positive integer.
#elasticsearch.requestTimeout: 30000

# List of Kibana client-side headers to send to Elasticsearch. To send *no* client-side
# headers, set this value to [] (an empty list).
#elasticsearch.requestHeadersWhitelist: [ authorization ]

# Header names and values that are sent to Elasticsearch. Any custom headers cannot be overwritten
# by client-side headers, regardless of the elasticsearch.requestHeadersWhitelist configuration.
#elasticsearch.customHeaders: {}

# Time in milliseconds for Elasticsearch to wait for responses from shards. Set to 0 to disable.
#elasticsearch.shardTimeout: 30000

# Time in milliseconds to wait for Elasticsearch at Kibana startup before retrying.
#elasticsearch.startupTimeout: 5000

# Logs queries sent to Elasticsearch. Requires logging.verbose set to true.
#elasticsearch.logQueries: false

# Specifies the path where Kibana creates the process ID file.
#pid.file: /var/run/kibana.pid

# Enables you specify a file where Kibana stores log output.
#logging.dest: stdout

# Set the value of this setting to true to suppress all logging output.
#logging.silent: false

# Set the value of this setting to true to suppress all logging output other than error messages.
#logging.quiet: false

# Set the value of this setting to true to log all events, including system usage information
# and all requests.
#logging.verbose: false

# Set the interval in milliseconds to sample system and process performance
# metrics. Minimum is 100ms. Defaults to 5000.
#ops.interval: 5000

# Specifies locale to be used for all localizable strings, dates and number formats.
i18n.locale: "zh-CN"
  1. 启动kibana
#进入到kibana的bin目录下
cd ../bin
#启动服务
./kibana

四.SpringBoot集成elk(logback) ​

  1. 导入依赖
xml
 <dependency>
            <groupId>net.logstash.logback</groupId>
            <artifactId>logstash-logback-encoder</artifactId>
            <version>5.3</version>
</dependency>
  1. 新增logback-spring.xml的配置文件
xml
---配置方式一 
<?xml version="1.0" encoding="UTF-8"?>
<configuration debug="false">
   <!--提取配置文件中的服务名-->
    <springProperty scope="context" name="springApplicationName" source="spring.application.name" />
    <property name="LOG_HOME" value="logs/demo.log" />
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
        </encoder>
    </appender>

    <appender name="logstash" class="net.logstash.logback.appender.LogstashTcpSocketAppender">
        <destination>124.223.119.48:4560</destination>
        <encoder class="net.logstash.logback.encoder.LogstashEncoder" >
            <!--定义appname的名字是服务名,多服务时,根据这个进行区分日志-->
            <customFields>{"appname": "${springApplicationName}"}</customFields>
        </encoder>
    </appender>

    <root level="INFO">
        <appender-ref ref="STDOUT" />
        <appender-ref ref="logstash" />
    </root>
</configuration>


---配置方式二
<?xml version="1.0" encoding="UTF-8"?>
<configuration debug="false">
  <springProperty scope="context" name="springApplicationName" source="spring.application.name" />
  <property name="LOG_HOME" value="logs/demo.log" />
  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
      <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
          <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
      </encoder>
  </appender>

  <!--DEBUG日志输出到LogStash-->
  <appender name="LOG_STASH_DEBUG" class="net.logstash.logback.appender.LogstashTcpSocketAppender">
      <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
          <level>DEBUG</level>
      </filter>
      <destination>124.223.119.48:4560</destination>
      <encoder charset="UTF-8" class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder">
          <providers>
              <timestamp>
                  <timeZone>Asia/Shanghai</timeZone>
              </timestamp>
              <!--自定义日志输出格式-->
              <pattern>
                  <pattern>
                      {
                      "project": "elk",
                      "level": "%level",
                      "service": "${springApplicationName:-}",
                      "pid": "${PID:-}",
                      "thread": "%thread",
                      "class": "%logger",
                      "message": "%message",
                      "stack_trace": "%exception"
                      }
                  </pattern>
              </pattern>
          </providers>
      </encoder>
  </appender>

  <root >
      <appender-ref ref="STDOUT" />
      <appender-ref ref="LOG_STASH_DEBUG" />
  </root>
</configuration>

  1. 登录kibana,端口默认时5601 http://ip:5601

  2. 索引配置,进行页面展示的数据

  3. 查看日志

https://blog.csdn.net/syc000666/article/details/98668485

https://juejin.cn/post/7603783314713002020

日志定期失效：https://blog.csdn.net/qq_41631365/article/details/109773675

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