The srv service discovery plugin updates the targets by SRV Record.

Example Configuration

Here is an example of out_forward updating the targets to get the SRV record from _fluentd._tcp.example.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 (required)

Service without the underscore in RFC2782.

proto

Proto without the underscore in RFC2782.

It is a required parameter.

hostname

The name in RFC2782.

dns_server_host

The hostname of the DNS server to request the SRV record.

interval

The interval of sending requests to DNS server.

dns_lookup

Resolves the hostname to IP address of the 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If this article is incorrect or outdated, or omits critical information, please let us know.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.