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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--logstash--es示例
#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$"] tail_files: true #增加输出字段,tags为数组形式,fields.id为键值对形式 tags: ["nginx-100"] fields: id: "nginx-100" output.logstash: hosts: ["192.168.3.100:5044","192.168.3.101:5044"] loadbalance: true #输出到单个logstash #output.logstash: # hosts: ["127.0.0.1:5044"]
#logstash输出到es示例;根据fileds.id来划分索引 /usr/local/logstash/config/logstash.conf input { beats { port => 5044 } } output { elasticsearch { hosts => ["http://192.168.3.100:9200","http://192.168.3.101:9200","http://192.168.3.102:9200"] index => "%{[fields][id]}-%{+YYYY.MM.dd}" user => "elastic" password => "HkqZIHZsuXSv6B5OwqJ7" } }
filebeat--kafka--logstash--es示例
#filebeat输出到kafka示例 /usr/local/filebeat/filebeat.yml filebeat.inputs: - type: log paths: - /tmp/nginx_log/error.log multiline.pattern: ^\d{4}/\d{2}/\d{2}\s\d{2}:\d{2}:\d{2} #匹配nginx日志时间格式 2019/09/21 17:00:08 multiline.negate: true multiline.match: after exclude_files: [".gz$"] 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