docker安装ELK

Elasticsearch安装

1. 下载Elasticsearch 7.6.2 的docker镜像:

docker pull elasticsearch:7.6.2

2. 修改虚拟内存区域大小,否则会因为过小而无法启动:

sysctl -w vm.max_map_count=262144

3. 使用如下命令启动Elasticsearch服务:

 docker run -p 9200:9200 -p 9300:9300 --name elasticsearch \
-e "discovery.type=single-node" \
-e "cluster.name=elasticsearch" \
-v /mydata/elasticsearch/plugins:/usr/share/elasticsearch/plugins \
-v /mydata/elasticsearch/data:/usr/share/elasticsearch/data \
-d elasticsearch:7.6.2

4. 启动时会发现 /usr/share/elasticsearch/data 目录没有访问权限,只需要修改 /mydata/elasticsearch/data 目录的权限,再重新启动即可;

chmod 777 /mydata/elasticsearch/data/
docker restart elasticsearch

5. 安装中文分词器IKAnalyzer,并重新启动:

docker exec -it elasticsearch /bin/bash
elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v7.6.2/elasticsearch-analysis-ik-7.6.2.zip

6. 重启elasticsearch:

docker restart elasticsearch

7. 开启防火墙:

firewall-cmd --zone=public --add-port=9200/tcp --permanent
firewall-cmd --reload

8. 访问会返回版本信息:http://虚拟机IP:9200

Logstash安装

1. 下载Logstash 7.6.2 的docker镜像:

docker pull logstash:7.6.2

2. 创建 /mydata/logstash 目录,并将Logstash的配置文件 logstash.conf 拷贝到该目录:

mkdir /mydata/logstash

logstash.conf配置文件内容

input {
tcp {
mode => "server"
host => "0.0.0.0"
port => 4560
codec => json_lines
type => "debug"
}
tcp {
 mode => "server"
 host => "0.0.0.0"
 port => 4561
 codec => json_lines
 type => "error"
 }
 tcp {
 mode => "server"
 host => "0.0.0.0"
 port => 4562
 codec => json_lines
 type => "business"
 }
 tcp {
 mode => "server"
 host => "0.0.0.0"
 port => 4563
 codec => json_lines
 type => "record"
 }
}
filter{
 if [type] == "record" {
 mutate {
 remove_field => "port"
 remove_field => "host"
 remove_field => "@version"
 }
 json {
 source => "message"
 remove_field => ["message"]
 }
 }
}
output {
 elasticsearch {
 hosts => "es:9200"
 index => "logstash-%{type}-%{+YYYY.MM.dd}"
 }
}

3. 使用如下命令启动Logstash服务

docker run --name logstash -p 4560:4560 -p 4561:4561 -p 4562:4562 -p 4563:4563 \
--link elasticsearch:es \
-v /mydata/logstash/logstash.conf:/usr/share/logstash/pipeline/logstash.conf \
-d logstash:7.6.2

3. 进入容器内部,安装 json_lines 插件

docker exec -it logstash /bin/bash
logstash-plugin install logstash-codec-json_lines

Kibana安装

1. 下载Kibana 7.6.2 的docker镜像:

docker pull kibana:7.6.2

2. 使用如下命令启动Kibana服务:

docker run --name kibana -p 5601:5601 \
--link elasticsearch:es \
-e "elasticsearch.hosts=http://es:9200" \
-d kibana:7.6.2

3. 开启防火墙:

firewall-cmd --zone=public --add-port=5601/tcp --permanent
firewall-cmd --reload

4. 访问地址进行测试:http://虚拟机IP:5601

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