vmware/pyvmomi-community-samples

Getting VSAN diskgroup uuid

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#657 opened on Oct 27, 2020

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help wanted

Description

I am working on getting vsan performance information and I can query disk-group info for all disk groups. It returns perf data by uuid. However, the configuration data does not have this uuid anywhere. I am unable to match up performance data to the appropriate disk mapping object.

disk_groups = host.config.vsanHostConfig.storageInfo.diskMapping

vs

endTime = datetime.utcnow() startTime = endTime + timedelta(minutes=-10) query_spec = vim.cluster.VsanPerfQuerySpec( entityRefId='disk-group:*', labels=['iopsRcRead'], startTime=startTime, endTime=endTime ) perf_result = vsan_perfManager_query_object.QueryVsanPerf( querySpecs=[query_spec], cluster=cluster )

Contributor guide

Tech stack
python
Domain
backenddata
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
Basic PythonPyVmomi knowledgeVSAN concepts
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
20
Research direction
Investigate the pyVmomi API to see if the VSAN disk group UUID can be extracted from the host config or if there is an alternative method to match performance data to disk mapping objects. Check the VsanPerformanceManager and HostVsanSystem objects for relevant properties. Look for any existing samples or discussions in the repository that address this issue.