influxdb-plugin-fluent

fluent-gem install fluent-plugin-influxdb-v2 -v 1.10.0

<match influxdb2.**>
    @type influxdb2

    # InfluxDB URL to connect to (ex. https://localhost:8086).
    url             https://localhost:8086
    # Access Token used for authenticating/authorizing the InfluxDB request sent by client.
    token           my-token

    # Specifies the destination bucket for writes.
    bucket          my-bucket
    # Specifies the destination organization for writes.
    org             my-org
</match>

<match influxdb2.**>
    @type influxdb2

    # InfluxDB URL to connect to (ex. https://localhost:8086).
    url                     https://localhost:8086
    # Access Token used for authenticating/authorizing the InfluxDB request sent by client.
    token                   my-token
    # Turn on/off SSL for HTTP communication.
    use_ssl                 true
    # Sets the flags for the certification verification at beginning of SSL/TLS session.
    # For more info see - https://docs.ruby-lang.org/en/3.0.0/Net/HTTP.html#verify_mode.
    verify_mode             "#{OpenSSL::SSL::VERIFY_NONE}"

    # Specifies the destination bucket for writes.
    bucket                  my-bucket
    # Specifies the destination organization for writes.
    org                     my-org

    # The name of the measurement. If not specified, Fluentd's tag is used. 
    measurement             h2o
    # The list of record keys that are stored in InfluxDB as 'tag'.
    tag_keys                ["location", "type"]
    # Specifies if the Fluentd's event tag is included into InfluxDB tags (ex. 'fluentd=system.logs).'
    tag_fluentd             true
  
    # The list of record keys that are stored in InfluxDB as 'field'. 
    # If it's not specified than as fields are used all record keys.
    field_keys              ["value"]
    # Turn on/off auto casting Integer value to Float. 
    # Helper to avoid mismatch error: 'series type mismatch: already Integer but got Float'.
    field_cast_to_float     true

    # The time precision of timestamp. You should specify either second (s), millisecond (ms), 
    # microsecond (us), or nanosecond (ns).
    time_precision          s
    # A name of the record key that used as a 'timestamp' instead of event timestamp.
    # If a record key doesn't exists or hasn't value then is used event timestamp.	
    time_key                time
</match>