pvc-autoresizer's GetMetrics() returns volume stats for a PVC only if
all four kubelet_volume_stats metrics (available_bytes, capacity_bytes,
inodes_free, inodes) are retrieved. The keep-list in the
kubernetes-nodes scrape job had available_bytes and capacity_bytes
(post 9d5da4d8) but was missing the two inode metrics, so the
autoresizer's reconcile logged "failed to get volume stats" for every
PVC and never resized anything.
Add kubelet_volume_stats_inodes and kubelet_volume_stats_inodes_free
to the regex.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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