Create indexes from previous nginx access logs

Elastic Stack Beats
1

I use filebeat to send nginx access logs to logstash to parse them and then to elasticsearch. The folder includes access logs my previous days, but when I deploy the ELK stack, only the newly arrived nginx access logs are saved into elasticsearch. Is it possible to save also the old ones?

2

Are you using the nginx module here?

3

Here is my filebeat.yml:

filebeat.inputs:
- type: log
  enabled: true
  paths:
    - /var/log/nginx/access.log
    - /var/log/spring/geo/*.log

output.logstash:
  enabled: true
  hosts: ["logstash:5035"]

My nginx.conf from logstash pipelines:

input {
    beats {
        port => 5035
    }
}

filter {
    grok {
        match => [ "message" , "%{COMBINEDAPACHELOG}+%{GREEDYDATA:http_x_forwarded_for}"]
    }
    grok {
        match => [ "http_x_forwarded_for" , "%{IP:real_client_ip}"]
    }
    mutate {
        convert => ["response", "integer"]
        convert => ["bytes", "integer"]
        convert => ["responsetime", "float"]
    }
    geoip {
        source => "clientip"
        target => "geoip"
        add_tag => [ "nginx-geoip" ]
    }
    date {
        match => [ "timestamp" , "dd/MMM/YYYY:HH:mm:ss Z" ]
    }
    useragent {
        source => "message"
    }
}

output {
    elasticsearch {
        hosts => "elasticsearch:9200"
        index => "weblogs-%{+YYYY.MM.dd}"
        document_type => "nginx_logs"
        user => "elastic"
        password => "changeme"
    }
    stdout { codec => rubydebug }
}

I am not using the nginx module. Should I use it?

4

It'd be easier, yeah. But it looks like you have another non-nginx source in use that makes it a bit harder.

In your log input you can set things like ignore_older to get it to capture those older ones.

5

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