Unable to use templates option in latest version of td-agent along with opensearch plugin

[vikranth06]

Describe the bug

We are using the latest version of td-agent along with Opensearch from AWS but as soon as we add templates section in the config file following error message is thrown "2023-01-16 13:47:39 +0000 [error]: #0 fluent/log.rb:372:error: unexpected error error_class=ArgumentError error="expected both :access_key_id and :secret_access_key options""

To Reproduce

have the below mentioned config file on the system and the issue will be reproduced.

Expected behavior

As per the documentation templates is supported. Can the below config file be reviewed and let us know if there is a mistake?

Your Environment

- Fluentd version: 1.15.3
- TD Agent version: 4.4.2
- Operating system: Ubuntu 20.04
- Kernel version:

Your Configuration

<match **.*******.UPLOAD>
  @type copy
  <store>
    @type opensearch
    index_name xx-xxxx-xxxxx-data
    type_name "_doc"
    logstash_format true
    logstash_prefix xx-xxxx-xxxxx-data
    logstash_dateformat %Y.%m
    template_overwrite true
    templates {"xxxxxxxxxxxxxx_template": "/opt/aws/custom/xxxxx_index_template.json"}
    include_tag_key false
    buffer_type file
    buffer_chunk_limit 2m
    buffer_queue_limit 1000
    buffer_path /var/log/td-agent/uploadreportsupesbuffer
    disable_retry_limit true
    flush_interval 60s
    retry_wait 10s
    id_key MessageId
    reload_connections false
    remove_keys MessageId
    <endpoint>
      url xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      region us-east-1
      access_key_id xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      secret_access_key xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
	  </endpoint>
  </store>
</match>

Your Error Log

"2023-01-16 13:47:39 +0000 [error]: #0 fluent/log.rb:372:error: unexpected error error_class=ArgumentError error="expected both :access_key_id and :secret_access_key options""

Additional context

No response

[daipom]

Sorry for the delay.
I moved this issue to discussions as I can't judge this is a bug or not. (the contributing guidelines)

[daipom]

Note: fluent/fluent-plugin-opensearch#91