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Ignore boring filesystems from disk plugin

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Modern Linux has a lots of boring filesystem (tmpfs on /dev, devpts on
/dev/pts, lots of cgroup on /sys/fs/cgroup/*, ...).

* Ignore filesystem with 0 bytes (this cover cgroup, devpts and other).
* Add IgnoreFS to ignore additional FS by their type. Add tmpfs and
  devtmpfs as default ignored type.
This commit is contained in:
Pierre Fersing
2016-02-22 18:29:10 +01:00
committed by Cameron Sparr
parent 9687f71a17
commit 47ad73cc89
5 changed files with 34 additions and 10 deletions
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6
plugins/inputs/system/disk_test.go
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@@ -50,9 +50,9 @@ func TestDiskStats(t *testing.T) {
},
}
mps.On("DiskUsage", []string(nil)).Return(duAll, nil)
mps.On("DiskUsage", []string{"/", "/dev"}).Return(duFiltered, nil)
mps.On("DiskUsage", []string{"/", "/home"}).Return(duAll, nil)
mps.On("DiskUsage", []string(nil), []string(nil)).Return(duAll, nil)
mps.On("DiskUsage", []string{"/", "/dev"}, []string(nil)).Return(duFiltered, nil)
mps.On("DiskUsage", []string{"/", "/home"}, []string(nil)).Return(duAll, nil)
err = (&DiskStats{ps: &mps}).Gather(&acc)
require.NoError(t, err)