Update fluent-plugin-kubernetes_metadata_filter requirement from 3.7.1 to 3.8.0

[dependabot]

Updates the requirements on fluent-plugin-kubernetes_metadata_filter to permit the latest version.

Changelog

Sourced from fluent-plugin-kubernetes_metadata_filter's changelog.

Release Notes

2.9.4

As of this release, the 'de_dot' functionality is depricated and will be removed in future releases. Ref: fabric8io/fluent-plugin-kubernetes_metadata_filter#320

v2.1.4

The use of use_journal is DEPRECATED. If this setting is not present, the plugin will attempt to figure out the source of the metadata fields from the following:

• If lookup_from_k8s_field true (the default) and the following fields are present in the record: docker.container_id, kubernetes.namespace_name, kubernetes.pod_name, kubernetes.container_name, then the plugin will use those values as the source to use to lookup the metadata
• If use_journal true, or use_journal is unset, and the fields CONTAINER_NAME and CONTAINER_ID_FULL are present in the record, then the plugin will parse those values using container_name_to_kubernetes_regexp and use those as the source to lookup the metadata
• Otherwise, if the tag matches tag_to_kubernetes_name_regexp, the plugin will parse the tag and use those values to lookup the metdata

v2.1.x

As of the release 2.1.x of this plugin, it no longer supports parsing the source message into JSON and attaching it to the payload. The following configuration options are removed:

• merge_json_log
• preserve_json_log

One way of preserving JSON logs can be through the parser plugin. It can parsed with the parser plugin like this:

<filter kubernetes.**>
  @type parser
  key_name log
  <parse>
    @type json
    json_parser json
  </parse>
  replace_invalid_sequence true
  reserve_data true # this preserves unparsable log lines
  emit_invalid_record_to_error false # In case of unparsable log lines keep the error log clean
  reserve_time # the time was already parsed in the source, we don't want to overwrite it with current time.
</filter>

Commits

• 5aae433 v3.8.0 (#407)
• 22cf213 Update metadata because of transfer repository (#405)
• 5629014 Allow Fluentd v1.19.0 (#404)
• See full diff in compare view

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