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Type:
New Feature
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Status: Open
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Priority:
High
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Resolution: Unresolved
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Affects Version/s: None
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Fix Version/s: None
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Component/s: PMM ManageD
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Labels:
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Story Points:3
pmm-managed should expose Inventory information about Nodes, Services, and Agents as Prometheus metrics. That will help us create more robust and simple PromQL queries in our Grafana dashboards.
Implementation
- Expose inventory metrics on a separate endpoint /metrics/inventory on debug server.
- Make Prometheus scrape them every 5 seconds with a timeout of 4 seconds.
- Get Inventory data in a single transaction.
- Expose metrics for all objects like that:
nodes{node_id="123…", node_type="…", custom_foo="bar", …} 1
nodes{node_id="456…", node_type="…", custom_foo="bar", …} 1
services{…} 1
agents{…, disabled="1"} 1
agents{…, disabled="0"} 1
agents{…, disabled="1"} 0
agents{…, disabled="0"} 0
Add all unified labels to all metrics (use UnifiedLabels() methods on Node, Service and Agent models).
disabled label for agents contains 1 if it is disabled, 0 if it is enabled.
The value of the agents metric is 1 if this Agent's pmm-agent is connected, 0 if not.
- relates to
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PMM-4562 MongoDB and MySQL registered instances with empty cluster labels (--environment=<label>) were not visible in the dashboard despite being added instances.
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- Done
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- Done
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- Done
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