Esempio n. 1
0
func TestLustre2GeneratesMetrics(t *testing.T) {

	tempdir := os.TempDir() + "/telegraf/proc/fs/lustre/"
	ost_name := "OST0001"

	mdtdir := tempdir + "/mdt/"
	err := os.MkdirAll(mdtdir+"/"+ost_name, 0755)
	require.NoError(t, err)

	osddir := tempdir + "/osd-ldiskfs/"
	err = os.MkdirAll(osddir+"/"+ost_name, 0755)
	require.NoError(t, err)

	obddir := tempdir + "/obdfilter/"
	err = os.MkdirAll(obddir+"/"+ost_name, 0755)
	require.NoError(t, err)

	err = ioutil.WriteFile(mdtdir+"/"+ost_name+"/md_stats", []byte(mdtProcContents), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(osddir+"/"+ost_name+"/stats", []byte(osdldiskfsProcContents), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(obddir+"/"+ost_name+"/stats", []byte(obdfilterProcContents), 0644)
	require.NoError(t, err)

	m := &Lustre2{
		Ost_procfiles: []string{obddir + "/*/stats", osddir + "/*/stats"},
		Mds_procfiles: []string{mdtdir + "/*/md_stats"},
	}

	var acc testutil.Accumulator

	err = m.Gather(&acc)
	require.NoError(t, err)

	tags := map[string]string{
		"name": ost_name,
	}

	intMetrics := []*metrics{
		{
			name:  "write_bytes",
			value: 15201500833981,
		},
		{
			name:  "read_bytes",
			value: 78026117632000,
		},
		{
			name:  "write_calls",
			value: 71893382,
		},
		{
			name:  "read_calls",
			value: 203238095,
		},
		{
			name:  "cache_hit",
			value: 7393729777,
		},
		{
			name:  "cache_access",
			value: 19047063027,
		},
		{
			name:  "cache_miss",
			value: 11653333250,
		},
	}

	for _, metric := range intMetrics {
		assert.True(t, acc.HasUIntValue(metric.name), metric.name)
		assert.True(t, acc.CheckTaggedValue(metric.name, metric.value, tags))
	}

	err = os.RemoveAll(os.TempDir() + "/telegraf")
	require.NoError(t, err)
}