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Extend the diagnose InstanceManagers check to verify that each InstanceManager carries the labels the Longhorn controllers use to discover it (types.GetInstanceManagerLabels). Missing labels or unexpected values are reported as errors, since controllers unable to find a valid instance manager cannot attach or detach volumes. Related: longhorn/longhorn#9458 Signed-off-by: Sudeep Reddy <sudeepr34@users.noreply.github.com>
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Extend the diagnose InstanceManagers check to verify that each InstanceManager carries the labels the Longhorn controllers use to discover it (types.GetInstanceManagerLabels). Missing labels or unexpected values are reported as errors, since controllers unable to find a valid instance manager cannot attach or detach volumes.
Related: longhorn/longhorn#9458
Which issue(s) this PR fixes:
Issue longhorn/longhorn#9458
What this PR does / why we need it:
Extends the
longhornctl diagnoseInstanceManagers check to verify that each InstanceManager carries the labels the Longhorn controllers use to discover it, computed with the sametypes.GetInstanceManagerLabels()the controllers build their list selectors from (datastore.ListInstanceManagersBySelectorRO). A missing label or unexpected value is reported as an error, since a controller that can't find a valid instance manager can't attach or detach volumes.Special notes for your reviewer:
go build ./...,go vet, andgofmtare clean.go test ./pkg/remote/diagnose/...passes, including the newTestCheckInstanceManagerLabels(labels present / missing / mismatched cases). The existingTestEvaluateInstanceManagersfixture was updated to build well-formed IMs so it keeps covering the running-state logic.Additional documentation or context