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Logstash Elasticsearch Canary

Executes a query against the Elasticsearch Logstash index to ensure it is functioning.
Overview
Executes a simple query against the Elasticsearch Logstash index to ensure it is functioning.
The following metrics are reported:
- Error (1 if true, 0 if success)
- Status Code (only on error)
- Query Time (ms)
- Hits
Suggested Triggers
- Error >= 1
- Status Code >= 400 (these are HTTP status codes)