[receiver/rabbitmq] Enhance rabbitmqreceiver to collect full set of node-level metrics from /api/nodes #38998
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atoulme
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Mar 27, 2025
Fiery-Fenix
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Apr 24, 2025
…ode-level metrics from /api/nodes (open-telemetry#38998) <!--Ex. Fixing a bug - Describe the bug and how this fixes the issue. Ex. Adding a feature - Explain what this achieves.--> ### **Description** This change enhances the rabbitmqreceiver to collect a comprehensive set of 74 node-level metrics from the /api/nodes endpoint. Metrics span multiple categories, including: - Memory usage - Disk space and alarms - File descriptors (usage, limits, rates) - Socket usage and rates - Process count and rates - Garbage collection stats - I/O statistics - Context switches - Cluster info and runtime metadata - Plugin/configuration metadata This provides richer observability into RabbitMQ node performance, capacity, and system health. <!-- Issue number (e.g. open-telemetry#1234) or full URL to issue, if applicable. --> ### **Link to tracking issue** Fixes open-telemetry#38997 <!--Describe what testing was performed and which tests were added.--> ### **Testing** - Added unit tests to verify parsing of new metrics fields. - Manually tested against a local RabbitMQ instance with the management plugin enabled. - Validated metric names, types, units, and attributes emitted by the receiver. <!--Describe the documentation added.--> ### **Documentation** Updated README with a reference to newly supported node metrics and metric categories. <!--Please delete paragraphs that you did not use before submitting.-->
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Description
This change enhances the rabbitmqreceiver to collect a comprehensive set of 74 node-level metrics from the /api/nodes endpoint.
Metrics span multiple categories, including:
This provides richer observability into RabbitMQ node performance, capacity, and system health.
Link to tracking issue
Fixes #38997
Testing
Documentation
Updated README with a reference to newly supported node metrics and metric categories.