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This feature is available as an add-on for the Honeycomb Enterprise plan. Please contact your Honeycomb account team for details.

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Description

The Delete Empty Values processor can be used to delete null and other empty values from telemetry resource attributes, telemetry attributes, or a log record’s body.

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Supported Types

MetricsLogsTraces
✓✓✓

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Configuration Table

ParameterTypeDefaultDescription
telemetry_typestelemetrySelector["Logs", "Metrics", "Traces"]The list of telemetry types the processor will act on.
deleted_valuesenums["Null Values"]List of values types to delete. May include “Null Values”, “Empty Lists”, and “Empty Maps”. Enabling “Null Values” will remove both empty (zero-length) strings and entirely empty values. Enabling “Empty Lists” will delete empty (no element) list values. Enabling “Empty Maps” will delete empty (no key) map values.
exclude_resource_keysstrings[]List of resource keys to exclude from deletion.
exclude_attribute_keysstrings[]List of attribute keys to exclude from deletion.
exclude_body_keysstring[]List of body keys to exclude from deletion.
empty_string_valuesstrings[]List of string values that are considered “empty”. String fields will be deleted if they match any of the strings in this list.

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Example Configuration

This example configuration removes empty values from NGINX logs, where ”-” is used to denote an empty field.

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Web Interface

Honeycomb Docs - Delete Empty Values - image 1

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Standalone Processor

apiVersion: bindplane.observiq.com/v1
kind: Processor
metadata:
  id: remove-empty-attributes
  name: remove-empty-attributes
spec:
  type: remove_empty_values
  parameters:
    - name: telemetry_types
      value:
        - Logs
        - Metrics
        - Traces
    - name: empty_string_values
      value:
        - '-'

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Configuration with Embedded Processor

apiVersion: bindplane.observiq.com/v1
kind: Configuration
metadata:
  id: remove-empty-attributes
  name: remove-empty-attributes
  labels:
    platform: linux
spec:
  sources:
    - type: nginx
      parameters:
        - name: telemetry_types
          value:
            - Logs
            - Metrics
        - name: endpoint
          value: http://localhost:80/status
        - name: disable_metrics
          value: []
        - name: enable_tls
          value: false
        - name: insecure_skip_verify
          value: false
        - name: ca_file
          value: ''
        - name: cert_file
          value: ''
        - name: key_file
          value: ''
        - name: collection_interval
          value: 60
        - name: data_flow
          value: high
        - name: log_format
          value: default
        - name: access_log_paths
          value:
            - /var/log/nginx/access.log*
        - name: error_log_paths
          value:
            - /var/log/nginx/error.log*
        - name: start_at
          value: end
      processors:
        - type: delete_empty_values
          parameters:
            - name: telemetry_types
              value:
                - Logs
                - Metrics
                - Traces
            - name: deleted_values
              value:
                - Null Values
            - name: exclude_resource_keys
              value: []
            - name: exclude_attribute_keys
              value: []
            - name: exclude_body_keys
              value: []
            - name: empty_string_values
              value:
                - '-'
          disabled: false
      disabled: false
  selector:
    matchLabels:
      configuration: remove-empty-attributes