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Filter virtual/system filesystems from host disk display

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Host disk bars were showing virtual filesystems like tmpfs, /dev, /run,
/sys, and Docker overlay mounts. These clutter the UI and don't represent
meaningful disk usage.

Changed from `shouldIgnoreReadOnlyFilesystem` (read-only only) to the
full `fsfilters.ShouldSkipFilesystem` which also excludes:
- Virtual FS types: tmpfs, devtmpfs, sysfs, proc, cgroup, etc.
- Special mountpoints: /dev, /proc, /sys, /run, /var/lib/docker, /snap
- Network filesystems: fuse, nfs, cifs, etc.

Related to #790
This commit is contained in:
rcourtman 2025-12-02 00:16:39 +00:00
parent b5d42f6e2e
commit e07bd834b6
1 changed files with 4 additions and 4 deletions
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8
internal/monitoring/monitor.go
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@ -1856,10 +1856,10 @@ func (m *Monitor) ApplyHostReport(report agentshost.Report, tokenRecord *config.
disks := make([]models.Disk, 0, len(report.Disks))
for _, disk := range report.Disks {
// Filter read-only filesystems for backward compatibility with older host agents
// that don't have the filter built in. Prevents false alerts for snap mounts,
// immutable OS images, etc. (issues #505, #690).
if shouldIgnoreReadOnlyFilesystem(disk.Type, uint64(disk.TotalBytes), uint64(disk.UsedBytes)) {
// Filter virtual/system filesystems and read-only filesystems to avoid cluttering
// the UI with tmpfs, devtmpfs, /dev, /run, /sys, docker overlay mounts, snap mounts,
// immutable OS images, etc. (issues #505, #690, #790).
if shouldSkip, _ := fsfilters.ShouldSkipFilesystem(disk.Type, disk.Mountpoint, uint64(disk.TotalBytes), uint64(disk.UsedBytes)); shouldSkip {
continue
}