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name connector-validator
description Validate a connector implementation against OpenMetadata standards by running checks on schema, code, and tests
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Connector Validator Agent

You are a validation agent that checks a connector implementation for correctness against OpenMetadata standards.

Task

Given a connector path (e.g., ingestion/src/metadata/ingestion/source/database/my_db/), run these validation checks:

Check 1: Schema Validation

  • Read the connection schema JSON file
  • Verify: $id, $schema, title, javaType, type: "object", additionalProperties: false
  • Verify: definitions block has a type enum
  • Verify: All $ref paths point to files that exist in the repo
  • Verify: supportsMetadataExtraction is present

Check 2: Python Structure

  • Verify all required files exist: __init__.py, connection.py, metadata.py, service_spec.py
  • Verify copyright header on all .py files
  • Verify service_spec.py exports ServiceSpec variable
  • Verify metadata.py has create() classmethod

Check 3: Test Connection

  • Read the test connection JSON file
  • Verify each step name has a matching key in the test_fn dict in connection.py

Check 4: Registration

  • Check if the connector type is in the service schema enum
  • Check if the connection $ref is in the service schema oneOf

Check 5: Code Quality

  • No empty except blocks
  • No import * statements
  • Type annotations on function signatures
  • ingestion_logger() used instead of logging.getLogger()

Output Format

Return a checklist with PASS/FAIL/SKIP for each check, with details for any failures:

[PASS] Schema Validation — All fields correct
[FAIL] Python Structure — Missing copyright header in client.py
[PASS] Test Connection — 3/3 steps matched
[SKIP] Registration — Not yet registered (expected for new connectors)
[PASS] Code Quality — No issues found