Log Search is a sub-project of Apache Ambari

Log aggregation, analysis, and visualization for Ambari managed (or any other) services.

• Parse / aggregate and ship logs
• Send and index logs in Solr
• Store logs (structured or unstructured format) in Cloud Storage (S3 / GCS / ADLS / WASB)
• Full-text Search in logs (if the logs are shipped to Solr)
• JWT/SSO support
• Support testing the log parsing on the UI

• Log Feeder: agent component on all hosts to monitor and ship logs.
• Log Search Portal: REST API + UI for rendering logs
• Solr (Optional - default): storage for logs, used by both Log Search Portal and Log Feeder
• ZooKeeper (Optional - default): configuration service for Solr, Log Search and Log Feeder
• HDFS / S3 / GCS / ADLS: storage for logs (write only), used by Log Feeder cloud mode

• 1. Installation
• 2. Collections
• 3. Adding new logs to monitor
• 4. Development guide
• 5. Using Log Feeder in Cloud mode

https://cwiki.apache.org/confluence/display/AMBARI/How+to+Contribute

(That is the ambari contribution guide, everything is the same here except use ambari-logsearch repository instead of ambari)

• http://ambari.apache.org/license.html
• See more at Ambari repository