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fix(agent): exclude nested virtual fs when mounting host root to /extra-filesystems in Docker (#1859)

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Sven van Ginkel
2026-03-30 19:48:54 +02:00
committed by GitHub
parent 5db4eb4346
commit 80135fdad3
2 changed files with 85 additions and 2 deletions
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6
agent/disk.go
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@@ -239,9 +239,11 @@ func (d *diskDiscovery) addConfiguredExtraFilesystems(extraFilesystems string) {
// addPartitionExtraFs registers partitions mounted under /extra-filesystems so
// their display names can come from the folder name while their I/O keys still
// prefer the underlying partition device.
// prefer the underlying partition device. Only direct children are matched to
// avoid registering nested virtual mounts (e.g. /proc, /sys) that are returned by
// disk.Partitions(true) when the host root is bind-mounted in /extra-filesystems.
func (d *diskDiscovery) addPartitionExtraFs(p disk.PartitionStat) {
if !strings.HasPrefix(p.Mountpoint, d.ctx.efPath) {
if filepath.Dir(p.Mountpoint) != d.ctx.efPath {
return
}
device, customName := extraFilesystemPartitionInfo(p)