// Fetch fetches filesystem metrics for all mounted filesystems and returns
// a single event containing aggregated data.
func (m *MetricSet) Fetch() (common.MapStr, error) {
fss, err := filesystem.GetFileSystemList()
if err != nil {
return nil, errors.Wrap(err, "filesystem list")
}
// These values are optional and could also be calculated by Kibana
var totalFiles, totalSize, totalSizeFree, totalSizeUsed uint64
for _, fs := range fss {
fsStat, err := filesystem.GetFileSystemStat(fs)
if err != nil {
debugf("error fetching filesystem stats for '%s': %v", fs.DirName, err)
continue
}
totalFiles += fsStat.Files
totalSize += fsStat.Total
totalSizeFree += fsStat.Free
totalSizeUsed += fsStat.Used
}
return common.MapStr{
"total_size": common.MapStr{
"free": totalSizeFree,
"used": totalSizeUsed,
"total": totalSize,
},
"count": len(fss),
"total_files": totalFiles,
}, nil
}
// Fetch fetches filesystem metrics for all mounted filesystems and returns
// a single event containing aggregated data.
func (m *MetricSet) Fetch() (common.MapStr, error) {
fss, err := filesystem.GetFileSystemList()
if err != nil {
return nil, errors.Wrap(err, "filesystem list")
}
// These values are optional and could also be calculated by Kibana
var totalFiles, totalSize, totalSizeFree, totalSizeUsed uint64
dict := map[string]bool{}
for _, fs := range fss {
stat, err := filesystem.GetFileSystemStat(fs)
if err != nil {
debugf("error fetching filesystem stats for '%s': %v", fs.DirName, err)
continue
}
logp.Debug("fsstat", "filesystem: %s total=%d, used=%d, free=%d", stat.Mount, stat.Total, stat.Used, stat.Free)
if _, ok := dict[stat.Mount]; ok {
// ignore filesystem with the same mounting point
continue
}
totalFiles += stat.Files
totalSize += stat.Total
totalSizeFree += stat.Free
totalSizeUsed += stat.Used
dict[stat.Mount] = true
}
return common.MapStr{
"total_size": common.MapStr{
"free": totalSizeFree,
"used": totalSizeUsed,
"total": totalSize,
},
"count": len(dict),
"total_files": totalFiles,
}, nil
}