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Index Metadata Tool

Overview​

Index Metadata Tool retrieves metadata from Elasticsearch indices, providing insights into index structure, mappings, and statistics for analysis and monitoring.

Input​

  • Index name or pattern
  • Optional parameters such as field filters or inclusion of statistics

Output​

  • Index mappings including field types
  • Document count and storage size
  • Shard allocation and health status
  • Additional statistics like creation date and version

Capabilities​

  • Retrieve mappings for index fields
  • Inspect index settings and configuration
  • Monitor index health and shard distribution
  • Extract metadata for programmatic analysis

Use Cases​

  • Index auditing and documentation
  • Monitoring Elasticsearch clusters
  • Data modeling and schema validation
  • Automation of index management workflows

Behavior Notes​

  • Requires access to Elasticsearch cluster
  • Output format depends on API response (typically JSON)
  • Metadata is read-only and does not modify the index

Limitations​

  • Cannot fetch document content directly
  • Requires valid Elasticsearch credentials
  • Performance may vary for large clusters or many indices

Example​

Input: Index pattern logs-*
Output: JSON containing field mappings, document count, and shard info

Intended Audience​

Developers and system administrators needing detailed Elasticsearch index information for monitoring, analysis, or automation.