The srv service discovery plugin updates targets by SRV Record.

Example Configuration

Here is an example with out_forward updating targets to get SRV record from _fluentd._tcp.exmaple.com:

<match pattern>
  @type forward
​
  <service_discovery>
    @type srv
    service fluentd
    proto tcp
    hostname example.com
  </service_discovery>
</source>

Parameters

@type

The value must be srv.

service

Service without underscore in RFC2782.

proto

Proto without underscore in RFC2782.

hostname

Name in RFC2782.

dns_server_host

Hostname of DNS server to request the SRV record.

interval

Interval of requesting to DNS server.

dns_lookup

Resolve hostname to IP addr of SRV's Target.

shared_key

The shared key per server.

username

The username for authentication.

password

The password for authentication.

If this article is incorrect or outdated, or omits critical information, please let us know.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