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Bug: listHostsMetrics response mapping mismatch (clustermetrics -> cluster) causes null parsing #135
Description
The CloudStack backend response for listClustersMetrics "command" has changed its JSON structure, but the cloudstack-go wrapper is still parsing the old field (hostmetrics).
This results in host metrics being returned as null in the Go SDK response.
API: listClustersMetrics (command)
Client: github.com/apache/cloudstack-go/v2
Key change:
The backend now returns metrics under the field host, not hostmetrics.
Activity
jmsperu commentedon Jun 20, 2026
This is the
listClustersMetricscounterpart of #136: the response struct used the stale json tag (clustersmetric) while the backend returns the list undercluster, so the slice deserialized to nil.PR #137 fixes exactly this (
ClustersMetrics []*ClustersMetric json:"clustersmetric"→json:"cluster"). I confirmed the key against a live CloudStack 4.22 deployment —listClustersMetricsreturns its list under the top-level keycluster— so that change is correct. Once #137 merges (it needs two unrelated corrections I flagged there fordb/usageserver, but the cluster/host changes are good), this is resolved.