1. Proposed title of this feature request
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Node-exporter metrics should include the node's systemd services information/stats.

2. What is the nature and description of the request?
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Add the systemd services to be collected with the node-exporter metrics .

3. Why does the customer need this? (List the business requirements here)
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One node was behaving badly, it turned out the vmtoolsd.service was down.
Customer didn't get any alerts regarding the same in the node-exporter metrics.
The systemd services are not collected with node-exported.  Need node-exporter metrics to capture the node's systemd services information/stats.