以nginx错误日志为例，演示日志处理流程
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filebeat--logstash--es
filebeat--kafka--logstash--es
#filebeat使用systemd管理
/usr/lib/systemd/system/filebeat.service
[Unit]
Description=Filebeat
Documentation=http://www.elastic.co
Wants=network-online.target
After=network-online.target
[Service]
ExecStart=/usr/local/filebeat/filebeat -c /usr/local/filebeat/filebeat.yml
Restart=always
[Install]
WantedBy=multi-user.target
#logstash使用systemd管理
#如果有多个logstash配置文件,可以使用-f指定目录
/usr/lib/systemd/system/logstash.service
[Unit]
Description=logstash
Documentation=http://www.elastic.co
Wants=network-online.target
After=network-online.target
[Service]
Environment=JAVA_HOME=/usr/java/jdk1.8.0_211
ExecStart=/usr/local/logstash/bin/logstash -f /usr/local/logstash/config/logstash.conf -l /usr/local/logstash/logs
Restart=always
[Install]
WantedBy=multi-user.target
#启动nginx容器，映射日志目录
docker run -d --name=nginx --net=host -v /tmp/nginx_log:/var/log/nginx nginx
#nginx错误日志：
2019/09/21 17:00:08 [error] 7#7: *9 open() "/usr/share/nginx/html/api" failed (2: No such file or directory), client: 192.168.3.102, server: localhost, request: "GET /api HTTP/1.1", host: "192.168.3.100"
#filebeat输出logstash示例
/usr/local/filebeat/filebeat.yml
filebeat.inputs:
- type: log
paths:
- /tmp/nginx_log/error.log
multiline.pattern: ^\d{4}/\d{2}/\d{2}\s\d{2}:\d{2}:\d{2}
#匹配nginx日志时间格式 2019/09/21 17:00:08
multiline.negate: true
multiline.match: after
exclude_files: [".gz$"]
tail_files: true
#增加输出字段，tags为数组形式，fields.id为键值对形式
tags: ["nginx-100"]
fields:
id: "nginx-100"
output.logstash:
hosts: ["192.168.3.100:5044","192.168.3.101:5044"]
loadbalance: true
#输出到单个logstash
#output.logstash:
# hosts: ["127.0.0.1:5044"]
#logstash输出到es示例；根据fileds.id来划分索引
/usr/local/logstash/config/logstash.conf
input {
beats {
port => 5044
}
}
output {
elasticsearch {
hosts => ["http://192.168.3.100:9200","http://192.168.3.101:9200","http://192.168.3.102:9200"]
index => "%{[fields][id]}-%{+YYYY.MM.dd}"
user => "elastic"
password => "HkqZIHZsuXSv6B5OwqJ7"
}
}
#filebeat输出到kafka示例
/usr/local/filebeat/filebeat.yml
filebeat.inputs:
- type: log
paths:
- /tmp/nginx_log/error.log
multiline.pattern: ^\d{4}/\d{2}/\d{2}\s\d{2}:\d{2}:\d{2}
#匹配nginx日志时间格式 2019/09/21 17:00:08
multiline.negate: true
multiline.match: after
exclude_files: [".gz$"]
tail_files: true
#增加输出字段，tags为数组形式，fields.id为键值对形式
tags: ["nginx-kafka-100"]
fields:
id: "nginx-kafka-100"
output.kafka:
hosts: ["192.168.3.100:9092", "192.168.3.101:9092", "192.168.3.102:9092"]
topic: '%{[fields.id]}'
partition.round_robin:
reachable_only: false
required_acks: 1
compression: gzip
max_message_bytes: 1000000
#kafka输出到es示例
/usr/local/logstash/config/logstash.conf
input {
kafka {
group_id => "logstash"
topics => ["nginx-kafka-100"]
bootstrap_servers => "192.168.3.100:9092,192.168.3.101:9092,192.168.3.102:9092"
consumer_threads => "1"
fetch_max_bytes => "26214400"
codec => plain
}
}
filter {
json {
source => "message"
}
}
output {
elasticsearch {
hosts => ["http://192.168.3.100:9200","http://192.168.3.101:9200","http://192.168.3.102:9200"]
index => "%{[fields][id]}-%{+YYYY.MM.dd}"
user => "elastic"
password => "HkqZIHZsuXSv6B5OwqJ7"
}
}
参考：
https://www.elastic.co/guide/en/beats/filebeat/current/kafka-output.html
https://www.elastic.co/guide/en/beats/filebeat/current/logstash-output.html
https://www.elastic.co/guide/en/logstash/current/plugins-filters-json.html
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