fluentd conf files

app-td-agent.conf

# appサーバ用の設定
<source>
  type tail
  path /var/log/nginx/access.log
  format apache
  tag nginx.access
  pos_file /var/log/td-agent/nginx.pos
</source>

<match nginx.access>
  type forward
  <server>
    host xxx.xxx.xxx.xxx
  </server>
</match>

iptables

# fluentd setting
-A RH-Firewall-1-INPUT -m state --state NEW -s xxx.xxx.xxx.xxx -m tcp -p tcp --dport 24224 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -s xxx.xxx.xxx.xxx -m udp -p udp --dport 24224 -j ACCEPT

log-mongo-td-agent.conf

# logサーバ用設定(mongodb)
<source>
  type forward
  port 24224
</source>

<match nginx.access>
  type mongo
  database nginx
  collection access
  host 127.0.0.1
  port 27017
  flush_interval 10s
</match>

log-td-agent.conf

# log収集用サーバの設定
<source>
  type forward
  port 24224
</source>

<match nginx.access>
  type file
  path /var/log/td-agent/access_log
</match>

nginx.conf

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent"';

td-agent.conf

# 1台で動かす場合の設定
<source>
  type tail
  path /var/log/nginx/access.log
  format apache
  tag nginx.access
  pos_file /var/log/td-agent/nginx.pos
</source>

<match nginx.access>
  type file
  path /var/log/td-agent/access_log
</match>