feat(enterprise): add database watch command for real-time status monitoring #458
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…itoring Implements Phase 2 of issue #405 - Database Lifecycle Event Monitoring ## Library Changes (redis-enterprise) - Add watch_database() method to DatabaseHandler/BdbHandler - Polls database endpoint and tracks status changes - Returns stream of (DatabaseInfo, Option<String>) tuples - Second element is Some(old_status) when status changes occur ## CLI Changes (redisctl) - New command: redisctl enterprise database watch <id> - Displays timestamped status updates with key metrics - Highlights status transitions prominently - Supports JMESPath filtering via -q flag - Ctrl+C for graceful shutdown - Configurable poll interval (default: 5 seconds) ## Use Cases - Monitor database during upgrades/migrations - Watch backup/restore operations - Track scaling operations - Detect and alert on status changes ## Example Usage ```bash # Watch database with default 5-second polling redisctl enterprise database watch 1 # Faster polling for critical operations redisctl enterprise database watch 1 --poll-interval 2 # Filter output with JMESPath redisctl enterprise database watch 1 -q '{name: name, status: status}' ``` ## Example Output ``` Watching database 1 (Ctrl+C to stop)... [10:30:00] Database 1: active | mem: 2.10GB | shards: 1 [10:30:15] Database 1: active -> updating (TRANSITION) Memory: 2.10GB / 5.00GB (42.0%) Shards: 1 [10:32:30] Database 1: updating -> active (TRANSITION) Memory: 2.15GB / 5.00GB (43.0%) Shards: 1 ``` Addresses #405 (Phase 2)
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Summary
Implements Phase 2 of issue #405 - Database Lifecycle Event Monitoring
Adds a subcommand for monitoring Redis Enterprise database status changes in real-time.
Changes
Library ()
CLI ()
Example Usage
Output Format
Testing
Closes #405