Versions | v0.12 (td-agent2) | v0.10 (td-agent1)

This page is for v0.10, not the latest stable version which is v0.12. For the latest stable version of this article, click here.

Getting Data From Json Into S3 Using Fluentd

Looking to get data out of json into s3? You can do that with fluentd in 10 minutes!

Here is how:

$ gem install fluentd
$ gem install fluent-plugin-s3
$ touch fluentd.conf

fluentd.conf should look like this (just copy and paste this into fluentd.conf):

  type tail
  path /var/log/httpd-access.log #...or where you placed your Apache access log
  pos_file /var/log/td-agent/httpd-access.log.pos # This is where you record file position
  tag foobar.json #fluentd tag!
  format json # one JSON per line
  time_key time_field # optional; default = time

<match **>
  type s3
  path <s3 path> #(optional; default="")
  time_format <format string> #(optional; default is ISO-8601)
  aws_key_id <Your AWS key id> #(required)
  aws_sec_key <Your AWS secret key> #(required)
  s3_bucket <s3 bucket name> #(required)
  s3_endpoint <s3 endpoint name> #(required; ex:
  s3_object_key_format <format string> #(optional; default="%{path}%{time_slice}_%{index}.%{file_extension}")
  auto_create_bucket <true/false> #(optional; default=true)
  check_apikey_on_start <true/false> #(optional; default=true)
  proxy_uri <proxy uri string> #(optional)

After that, you can start fluentd and everything should work:

$ fluentd -c fluentd.conf

Of course, this is just a quick example. If you are thinking of running fluentd in production, consider using td-agent, the enterprise version of Fluentd packaged and maintained by Treasure Data, Inc..

Last updated: 2016-06-06 04:47:13 UTC

Versions | v0.12 (td-agent2) | v0.10 (td-agent1)

If this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is a open source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.

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