コード例 #1
0
ファイル: zfs_test.go プロジェクト: d4devops/telegraf
func TestZfsPoolMetrics(t *testing.T) {
	err := os.MkdirAll(testKstatPath, 0755)
	require.NoError(t, err)

	err = os.MkdirAll(testKstatPath+"/HOME", 0755)
	require.NoError(t, err)

	err = ioutil.WriteFile(testKstatPath+"/HOME/io", []byte(pool_ioContents), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testKstatPath+"/arcstats", []byte(arcstatsContents), 0644)
	require.NoError(t, err)

	poolMetrics := getPoolMetrics()

	var acc testutil.Accumulator

	z := &Zfs{KstatPath: testKstatPath, KstatMetrics: []string{"arcstats"}}
	err = z.Gather(&acc)
	require.NoError(t, err)

	require.False(t, acc.HasMeasurement("zfs_pool"))
	acc.Points = nil

	z = &Zfs{KstatPath: testKstatPath, KstatMetrics: []string{"arcstats"}, PoolMetrics: true}
	err = z.Gather(&acc)
	require.NoError(t, err)

	//one pool, all metrics
	tags := map[string]string{
		"pool": "HOME",
	}

	acc.AssertContainsTaggedFields(t, "zfs_pool", poolMetrics, tags)

	err = os.RemoveAll(os.TempDir() + "/telegraf")
	require.NoError(t, err)
}
コード例 #2
0
ファイル: memory_test.go プロジェクト: d4devops/telegraf
func TestMemStats(t *testing.T) {
	var mps MockPS
	var err error
	defer mps.AssertExpectations(t)
	var acc testutil.Accumulator

	vms := &mem.VirtualMemoryStat{
		Total:     12400,
		Available: 7600,
		Used:      5000,
		Free:      1235,
		// Active:      8134,
		// Inactive:    1124,
		// Buffers:     771,
		// Cached:      4312,
		// Wired:       134,
		// Shared:      2142,
	}

	mps.On("VMStat").Return(vms, nil)

	sms := &mem.SwapMemoryStat{
		Total:       8123,
		Used:        1232,
		Free:        6412,
		UsedPercent: 12.2,
		Sin:         7,
		Sout:        830,
	}

	mps.On("SwapStat").Return(sms, nil)

	err = (&MemStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	memfields := map[string]interface{}{
		"total":             uint64(12400),
		"available":         uint64(7600),
		"used":              uint64(5000),
		"available_percent": float64(7600) / float64(12400) * 100,
		"used_percent":      float64(5000) / float64(12400) * 100,
		"free":              uint64(1235),
		"cached":            uint64(0),
		"buffered":          uint64(0),
	}
	acc.AssertContainsTaggedFields(t, "mem", memfields, make(map[string]string))

	acc.Points = nil

	err = (&SwapStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	swapfields := map[string]interface{}{
		"total":        uint64(8123),
		"used":         uint64(1232),
		"used_percent": float64(12.2),
		"free":         uint64(6412),
		"in":           uint64(7),
		"out":          uint64(830),
	}
	acc.AssertContainsTaggedFields(t, "swap", swapfields, make(map[string]string))
}
コード例 #3
0
ファイル: system_test.go プロジェクト: pablrod/telegraf
func TestSystemStats_GenerateStats(t *testing.T) {
	var mps MockPS

	defer mps.AssertExpectations(t)

	var acc testutil.Accumulator

	lv := &load.LoadAvgStat{
		Load1:  0.3,
		Load5:  1.5,
		Load15: 0.8,
	}

	mps.On("LoadAvg").Return(lv, nil)

	cts := cpu.CPUTimesStat{
		CPU:       "cpu0",
		User:      3.1,
		System:    8.2,
		Idle:      80.1,
		Nice:      1.3,
		Iowait:    0.2,
		Irq:       0.1,
		Softirq:   0.11,
		Steal:     0.0001,
		Guest:     8.1,
		GuestNice: 0.324,
		Stolen:    0.051,
	}

	cts2 := cpu.CPUTimesStat{
		CPU:       "cpu0",
		User:      11.4,     // increased by 8.3
		System:    10.9,     // increased by 2.7
		Idle:      158.8699, // increased by 78.7699 (for total increase of 100)
		Nice:      2.5,      // increased by 1.2
		Iowait:    0.7,      // increased by 0.5
		Irq:       1.2,      // increased by 1.1
		Softirq:   0.31,     // increased by 0.2
		Steal:     0.0002,   // increased by 0.0001
		Guest:     12.9,     // increased by 4.8
		GuestNice: 2.524,    // increased by 2.2
		Stolen:    0.281,    // increased by 0.23
	}

	mps.On("CPUTimes").Return([]cpu.CPUTimesStat{cts}, nil)

	du := &disk.DiskUsageStat{
		Path:        "/",
		Fstype:      "ext4",
		Total:       128,
		Free:        23,
		InodesTotal: 1234,
		InodesFree:  234,
	}

	mps.On("DiskUsage").Return([]*disk.DiskUsageStat{du}, nil)

	diskio := disk.DiskIOCountersStat{
		ReadCount:    888,
		WriteCount:   5341,
		ReadBytes:    100000,
		WriteBytes:   200000,
		ReadTime:     7123,
		WriteTime:    9087,
		Name:         "sda1",
		IoTime:       123552,
		SerialNumber: "ab-123-ad",
	}

	mps.On("DiskIO").Return(map[string]disk.DiskIOCountersStat{"sda1": diskio}, nil)

	netio := net.NetIOCountersStat{
		Name:        "eth0",
		BytesSent:   1123,
		BytesRecv:   8734422,
		PacketsSent: 781,
		PacketsRecv: 23456,
		Errin:       832,
		Errout:      8,
		Dropin:      7,
		Dropout:     1,
	}

	mps.On("NetIO").Return([]net.NetIOCountersStat{netio}, nil)

	vms := &mem.VirtualMemoryStat{
		Total:       12400,
		Available:   7600,
		Used:        5000,
		UsedPercent: 47.1,
		Free:        1235,
		Active:      8134,
		Inactive:    1124,
		Buffers:     771,
		Cached:      4312,
		Wired:       134,
		Shared:      2142,
	}

	mps.On("VMStat").Return(vms, nil)

	sms := &mem.SwapMemoryStat{
		Total:       8123,
		Used:        1232,
		Free:        6412,
		UsedPercent: 12.2,
		Sin:         7,
		Sout:        830,
	}

	mps.On("SwapStat").Return(sms, nil)

	ds := &DockerContainerStat{
		Name: "blah",
		CPU: &cpu.CPUTimesStat{
			CPU:       "all",
			User:      3.1,
			System:    8.2,
			Idle:      80.1,
			Nice:      1.3,
			Iowait:    0.2,
			Irq:       0.1,
			Softirq:   0.11,
			Steal:     0.0001,
			Guest:     8.1,
			GuestNice: 0.324,
			Stolen:    0.051,
		},
		Mem: &docker.CgroupMemStat{
			ContainerID:             "blah",
			Cache:                   1,
			RSS:                     2,
			RSSHuge:                 3,
			MappedFile:              4,
			Pgpgin:                  5,
			Pgpgout:                 6,
			Pgfault:                 7,
			Pgmajfault:              8,
			InactiveAnon:            9,
			ActiveAnon:              10,
			InactiveFile:            11,
			ActiveFile:              12,
			Unevictable:             13,
			HierarchicalMemoryLimit: 14,
			TotalCache:              15,
			TotalRSS:                16,
			TotalRSSHuge:            17,
			TotalMappedFile:         18,
			TotalPgpgIn:             19,
			TotalPgpgOut:            20,
			TotalPgFault:            21,
			TotalPgMajFault:         22,
			TotalInactiveAnon:       23,
			TotalActiveAnon:         24,
			TotalInactiveFile:       25,
			TotalActiveFile:         26,
			TotalUnevictable:        27,
		},
	}

	mps.On("DockerStat").Return([]*DockerContainerStat{ds}, nil)

	ss := &SystemStats{ps: &mps}

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

	assert.True(t, acc.CheckValue("load1", 0.3))
	assert.True(t, acc.CheckValue("load5", 1.5))
	assert.True(t, acc.CheckValue("load15", 0.8))

	cs := NewCPUStats(&mps)

	cputags := map[string]string{
		"cpu": "cpu0",
	}

	preCPUPoints := len(acc.Points)
	err = cs.Gather(&acc)
	require.NoError(t, err)
	numCPUPoints := len(acc.Points) - preCPUPoints

	expectedCPUPoints := 12
	assert.Equal(t, numCPUPoints, expectedCPUPoints)

	// Computed values are checked with delta > 0 becasue of floating point arithmatic
	// imprecision
	assertContainsTaggedFloat(t, acc, "user", 3.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "system", 8.2, 0, cputags)
	assertContainsTaggedFloat(t, acc, "idle", 80.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "nice", 1.3, 0, cputags)
	assertContainsTaggedFloat(t, acc, "iowait", 0.2, 0, cputags)
	assertContainsTaggedFloat(t, acc, "irq", 0.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "softirq", 0.11, 0, cputags)
	assertContainsTaggedFloat(t, acc, "steal", 0.0001, 0, cputags)
	assertContainsTaggedFloat(t, acc, "guest", 8.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "guestNice", 0.324, 0, cputags)
	assertContainsTaggedFloat(t, acc, "stolen", 0.051, 0, cputags)
	assertContainsTaggedFloat(t, acc, "busy", 21.4851, 0.0005, cputags)

	mps2 := MockPS{}
	mps2.On("CPUTimes").Return([]cpu.CPUTimesStat{cts2}, nil)
	cs.ps = &mps2

	// Should have added cpu percentages too
	err = cs.Gather(&acc)
	require.NoError(t, err)

	numCPUPoints = len(acc.Points) - (preCPUPoints + numCPUPoints)
	expectedCPUPoints = 24
	assert.Equal(t, numCPUPoints, expectedCPUPoints)

	assertContainsTaggedFloat(t, acc, "user", 11.4, 0, cputags)
	assertContainsTaggedFloat(t, acc, "system", 10.9, 0, cputags)
	assertContainsTaggedFloat(t, acc, "idle", 158.8699, 0, cputags)
	assertContainsTaggedFloat(t, acc, "nice", 2.5, 0, cputags)
	assertContainsTaggedFloat(t, acc, "iowait", 0.7, 0, cputags)
	assertContainsTaggedFloat(t, acc, "irq", 1.2, 0, cputags)
	assertContainsTaggedFloat(t, acc, "softirq", 0.31, 0, cputags)
	assertContainsTaggedFloat(t, acc, "steal", 0.0002, 0, cputags)
	assertContainsTaggedFloat(t, acc, "guest", 12.9, 0, cputags)
	assertContainsTaggedFloat(t, acc, "guestNice", 2.524, 0, cputags)
	assertContainsTaggedFloat(t, acc, "stolen", 0.281, 0, cputags)
	assertContainsTaggedFloat(t, acc, "busy", 42.7152, 0.0005, cputags)

	assertContainsTaggedFloat(t, acc, "percentageUser", 8.3, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageSystem", 2.7, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageIdle", 78.7699, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageNice", 1.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageIowait", 0.5, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageIrq", 1.1, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageSoftirq", 0.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageSteal", 0.0001, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageGuest", 4.8, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageGuestNice", 2.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageStolen", 0.23, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageBusy", 21.2301, 0.0005, cputags)

	err = (&DiskStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	tags := map[string]string{
		"path":   "/",
		"fstype": "ext4",
	}

	assert.True(t, acc.CheckTaggedValue("total", uint64(128), tags))
	assert.True(t, acc.CheckTaggedValue("used", uint64(105), tags))
	assert.True(t, acc.CheckTaggedValue("free", uint64(23), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_total", uint64(1234), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_free", uint64(234), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_used", uint64(1000), tags))

	err = (&NetIOStats{ps: &mps, skipChecks: true}).Gather(&acc)
	require.NoError(t, err)

	ntags := map[string]string{
		"interface": "eth0",
	}

	assert.NoError(t, acc.ValidateTaggedValue("bytes_sent", uint64(1123), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("bytes_recv", uint64(8734422), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_sent", uint64(781), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_recv", uint64(23456), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_in", uint64(832), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_out", uint64(8), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_in", uint64(7), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_out", uint64(1), ntags))

	err = (&DiskIOStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	dtags := map[string]string{
		"name":   "sda1",
		"serial": "ab-123-ad",
	}

	assert.True(t, acc.CheckTaggedValue("reads", uint64(888), dtags))
	assert.True(t, acc.CheckTaggedValue("writes", uint64(5341), dtags))
	assert.True(t, acc.CheckTaggedValue("read_bytes", uint64(100000), dtags))
	assert.True(t, acc.CheckTaggedValue("write_bytes", uint64(200000), dtags))
	assert.True(t, acc.CheckTaggedValue("read_time", uint64(7123), dtags))
	assert.True(t, acc.CheckTaggedValue("write_time", uint64(9087), dtags))
	assert.True(t, acc.CheckTaggedValue("io_time", uint64(123552), dtags))

	err = (&MemStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	vmtags := map[string]string(nil)

	assert.True(t, acc.CheckTaggedValue("total", uint64(12400), vmtags))
	assert.True(t, acc.CheckTaggedValue("available", uint64(7600), vmtags))
	assert.True(t, acc.CheckTaggedValue("used", uint64(5000), vmtags))
	assert.True(t, acc.CheckTaggedValue("used_prec", float64(47.1), vmtags))
	assert.True(t, acc.CheckTaggedValue("free", uint64(1235), vmtags))
	assert.True(t, acc.CheckTaggedValue("active", uint64(8134), vmtags))
	assert.True(t, acc.CheckTaggedValue("inactive", uint64(1124), vmtags))
	assert.True(t, acc.CheckTaggedValue("buffers", uint64(771), vmtags))
	assert.True(t, acc.CheckTaggedValue("cached", uint64(4312), vmtags))
	assert.True(t, acc.CheckTaggedValue("wired", uint64(134), vmtags))
	assert.True(t, acc.CheckTaggedValue("shared", uint64(2142), vmtags))

	acc.Points = nil

	err = (&SwapStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	swaptags := map[string]string(nil)

	assert.NoError(t, acc.ValidateTaggedValue("total", uint64(8123), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("used", uint64(1232), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("used_perc", float64(12.2), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("free", uint64(6412), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("in", uint64(7), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("out", uint64(830), swaptags))

	err = (&DockerStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	dockertags := map[string]string{
		"name":    "blah",
		"id":      "",
		"command": "",
	}

	assert.True(t, acc.CheckTaggedValue("user", 3.1, dockertags))
	assert.True(t, acc.CheckTaggedValue("system", 8.2, dockertags))
	assert.True(t, acc.CheckTaggedValue("idle", 80.1, dockertags))
	assert.True(t, acc.CheckTaggedValue("nice", 1.3, dockertags))
	assert.True(t, acc.CheckTaggedValue("iowait", 0.2, dockertags))
	assert.True(t, acc.CheckTaggedValue("irq", 0.1, dockertags))
	assert.True(t, acc.CheckTaggedValue("softirq", 0.11, dockertags))
	assert.True(t, acc.CheckTaggedValue("steal", 0.0001, dockertags))
	assert.True(t, acc.CheckTaggedValue("guest", 8.1, dockertags))
	assert.True(t, acc.CheckTaggedValue("guestNice", 0.324, dockertags))
	assert.True(t, acc.CheckTaggedValue("stolen", 0.051, dockertags))

	assert.True(t, acc.CheckTaggedValue("cache", uint64(1), dockertags))
	assert.True(t, acc.CheckTaggedValue("rss", uint64(2), dockertags))
	assert.True(t, acc.CheckTaggedValue("rss_huge", uint64(3), dockertags))
	assert.True(t, acc.CheckTaggedValue("mapped_file", uint64(4), dockertags))
	assert.True(t, acc.CheckTaggedValue("swap_in", uint64(5), dockertags))
	assert.True(t, acc.CheckTaggedValue("swap_out", uint64(6), dockertags))
	assert.True(t, acc.CheckTaggedValue("page_fault", uint64(7), dockertags))
	assert.True(t, acc.CheckTaggedValue("page_major_fault", uint64(8), dockertags))
	assert.True(t, acc.CheckTaggedValue("inactive_anon", uint64(9), dockertags))
	assert.True(t, acc.CheckTaggedValue("active_anon", uint64(10), dockertags))
	assert.True(t, acc.CheckTaggedValue("inactive_file", uint64(11), dockertags))
	assert.True(t, acc.CheckTaggedValue("active_file", uint64(12), dockertags))
	assert.True(t, acc.CheckTaggedValue("unevictable", uint64(13), dockertags))
	assert.True(t, acc.CheckTaggedValue("memory_limit", uint64(14), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_cache", uint64(15), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_rss", uint64(16), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_rss_huge", uint64(17), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_mapped_file", uint64(18), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_swap_in", uint64(19), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_swap_out", uint64(20), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_page_fault", uint64(21), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_page_major_fault", uint64(22), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_inactive_anon", uint64(23), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_active_anon", uint64(24), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_inactive_file", uint64(25), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_active_file", uint64(26), dockertags))
	assert.True(t, acc.CheckTaggedValue("total_unevictable", uint64(27), dockertags))
}
コード例 #4
0
ファイル: system_test.go プロジェクト: kokarn/telegraf
func TestSystemStats_GenerateStats(t *testing.T) {
	var mps MockPS

	defer mps.AssertExpectations(t)

	var acc testutil.Accumulator

	cts := cpu.CPUTimesStat{
		CPU:       "cpu0",
		User:      3.1,
		System:    8.2,
		Idle:      80.1,
		Nice:      1.3,
		Iowait:    0.2,
		Irq:       0.1,
		Softirq:   0.11,
		Steal:     0.0511,
		Guest:     8.1,
		GuestNice: 0.324,
	}

	cts2 := cpu.CPUTimesStat{
		CPU:       "cpu0",
		User:      11.4,     // increased by 8.3
		System:    10.9,     // increased by 2.7
		Idle:      158.8699, // increased by 78.7699 (for total increase of 100)
		Nice:      2.5,      // increased by 1.2
		Iowait:    0.7,      // increased by 0.5
		Irq:       1.2,      // increased by 1.1
		Softirq:   0.31,     // increased by 0.2
		Steal:     0.2812,   // increased by 0.0001
		Guest:     12.9,     // increased by 4.8
		GuestNice: 2.524,    // increased by 2.2
	}

	mps.On("CPUTimes").Return([]cpu.CPUTimesStat{cts}, nil)

	du := []*disk.DiskUsageStat{
		{
			Path:        "/",
			Fstype:      "ext4",
			Total:       128,
			Free:        23,
			InodesTotal: 1234,
			InodesFree:  234,
		},
		{
			Path:        "/home",
			Fstype:      "ext4",
			Total:       256,
			Free:        46,
			InodesTotal: 2468,
			InodesFree:  468,
		},
	}

	mps.On("DiskUsage").Return(du, nil)

	diskio := disk.DiskIOCountersStat{
		ReadCount:    888,
		WriteCount:   5341,
		ReadBytes:    100000,
		WriteBytes:   200000,
		ReadTime:     7123,
		WriteTime:    9087,
		Name:         "sda1",
		IoTime:       123552,
		SerialNumber: "ab-123-ad",
	}

	mps.On("DiskIO").Return(map[string]disk.DiskIOCountersStat{"sda1": diskio}, nil)

	netio := net.NetIOCountersStat{
		Name:        "eth0",
		BytesSent:   1123,
		BytesRecv:   8734422,
		PacketsSent: 781,
		PacketsRecv: 23456,
		Errin:       832,
		Errout:      8,
		Dropin:      7,
		Dropout:     1,
	}

	mps.On("NetIO").Return([]net.NetIOCountersStat{netio}, nil)

	vms := &mem.VirtualMemoryStat{
		Total:     12400,
		Available: 7600,
		Used:      5000,
		Free:      1235,
		// Active:      8134,
		// Inactive:    1124,
		// Buffers:     771,
		// Cached:      4312,
		// Wired:       134,
		// Shared:      2142,
	}

	mps.On("VMStat").Return(vms, nil)

	sms := &mem.SwapMemoryStat{
		Total:       8123,
		Used:        1232,
		Free:        6412,
		UsedPercent: 12.2,
		Sin:         7,
		Sout:        830,
	}

	mps.On("SwapStat").Return(sms, nil)

	netstats := []net.NetConnectionStat{
		net.NetConnectionStat{
			Type: syscall.SOCK_DGRAM,
		},
		net.NetConnectionStat{
			Status: "ESTABLISHED",
		},
		net.NetConnectionStat{
			Status: "ESTABLISHED",
		},
		net.NetConnectionStat{
			Status: "CLOSE",
		},
	}

	mps.On("NetConnections").Return(netstats, nil)

	cs := NewCPUStats(&mps)

	cputags := map[string]string{
		"cpu": "cpu0",
	}

	preCPUPoints := len(acc.Points)
	err := cs.Gather(&acc)
	require.NoError(t, err)
	numCPUPoints := len(acc.Points) - preCPUPoints

	expectedCPUPoints := 10
	assert.Equal(t, expectedCPUPoints, numCPUPoints)

	// Computed values are checked with delta > 0 becasue of floating point arithmatic
	// imprecision
	assertContainsTaggedFloat(t, acc, "time_user", 3.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_system", 8.2, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_idle", 80.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_nice", 1.3, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_iowait", 0.2, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_irq", 0.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_softirq", 0.11, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_steal", 0.0511, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_guest", 8.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_guest_nice", 0.324, 0, cputags)

	mps2 := MockPS{}
	mps2.On("CPUTimes").Return([]cpu.CPUTimesStat{cts2}, nil)
	cs.ps = &mps2

	// Should have added cpu percentages too
	err = cs.Gather(&acc)
	require.NoError(t, err)

	numCPUPoints = len(acc.Points) - (preCPUPoints + numCPUPoints)
	expectedCPUPoints = 20
	assert.Equal(t, expectedCPUPoints, numCPUPoints)

	assertContainsTaggedFloat(t, acc, "time_user", 11.4, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_system", 10.9, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_idle", 158.8699, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_nice", 2.5, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_iowait", 0.7, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_irq", 1.2, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_softirq", 0.31, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_steal", 0.2812, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_guest", 12.9, 0, cputags)
	assertContainsTaggedFloat(t, acc, "time_guest_nice", 2.524, 0, cputags)

	assertContainsTaggedFloat(t, acc, "usage_user", 8.3, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "usage_system", 2.7, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "usage_idle", 78.7699, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "usage_nice", 1.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "usage_iowait", 0.5, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "usage_irq", 1.1, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "usage_softirq", 0.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "usage_steal", 0.2301, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "usage_guest", 4.8, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "usage_guest_nice", 2.2, 0.0005, cputags)

	preDiskPoints := len(acc.Points)

	err = (&DiskStats{ps: &mps}).Gather(&acc)
	require.NoError(t, err)

	numDiskPoints := len(acc.Points) - preDiskPoints
	expectedAllDiskPoints := 12
	assert.Equal(t, expectedAllDiskPoints, numDiskPoints)

	tags1 := map[string]string{
		"path":   "/",
		"fstype": "ext4",
	}
	tags2 := map[string]string{
		"path":   "/home",
		"fstype": "ext4",
	}

	assert.True(t, acc.CheckTaggedValue("total", uint64(128), tags1))
	assert.True(t, acc.CheckTaggedValue("used", uint64(105), tags1))
	assert.True(t, acc.CheckTaggedValue("free", uint64(23), tags1))
	assert.True(t, acc.CheckTaggedValue("inodes_total", uint64(1234), tags1))
	assert.True(t, acc.CheckTaggedValue("inodes_free", uint64(234), tags1))
	assert.True(t, acc.CheckTaggedValue("inodes_used", uint64(1000), tags1))
	assert.True(t, acc.CheckTaggedValue("total", uint64(256), tags2))
	assert.True(t, acc.CheckTaggedValue("used", uint64(210), tags2))
	assert.True(t, acc.CheckTaggedValue("free", uint64(46), tags2))
	assert.True(t, acc.CheckTaggedValue("inodes_total", uint64(2468), tags2))
	assert.True(t, acc.CheckTaggedValue("inodes_free", uint64(468), tags2))
	assert.True(t, acc.CheckTaggedValue("inodes_used", uint64(2000), tags2))

	// We expect 6 more DiskPoints to show up with an explicit match on "/"
	// and /home not matching the /dev in Mountpoints
	err = (&DiskStats{ps: &mps, Mountpoints: []string{"/", "/dev"}}).Gather(&acc)
	assert.Equal(t, preDiskPoints+expectedAllDiskPoints+6, len(acc.Points))

	// We should see all the diskpoints as Mountpoints includes both
	// / and /home
	err = (&DiskStats{ps: &mps, Mountpoints: []string{"/", "/home"}}).Gather(&acc)
	assert.Equal(t, preDiskPoints+2*expectedAllDiskPoints+6, len(acc.Points))

	err = (&NetIOStats{ps: &mps, skipChecks: true}).Gather(&acc)
	require.NoError(t, err)

	ntags := map[string]string{
		"interface": "eth0",
	}

	assert.NoError(t, acc.ValidateTaggedValue("bytes_sent", uint64(1123), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("bytes_recv", uint64(8734422), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_sent", uint64(781), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_recv", uint64(23456), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_in", uint64(832), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_out", uint64(8), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_in", uint64(7), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_out", uint64(1), ntags))

	err = (&DiskIOStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	dtags := map[string]string{
		"name":   "sda1",
		"serial": "ab-123-ad",
	}

	assert.True(t, acc.CheckTaggedValue("reads", uint64(888), dtags))
	assert.True(t, acc.CheckTaggedValue("writes", uint64(5341), dtags))
	assert.True(t, acc.CheckTaggedValue("read_bytes", uint64(100000), dtags))
	assert.True(t, acc.CheckTaggedValue("write_bytes", uint64(200000), dtags))
	assert.True(t, acc.CheckTaggedValue("read_time", uint64(7123), dtags))
	assert.True(t, acc.CheckTaggedValue("write_time", uint64(9087), dtags))
	assert.True(t, acc.CheckTaggedValue("io_time", uint64(123552), dtags))

	err = (&MemStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	vmtags := map[string]string(nil)

	assert.True(t, acc.CheckTaggedValue("total", uint64(12400), vmtags))
	assert.True(t, acc.CheckTaggedValue("available", uint64(7600), vmtags))
	assert.True(t, acc.CheckTaggedValue("used", uint64(5000), vmtags))
	assert.True(t, acc.CheckTaggedValue("available_percent",
		float64(7600)/float64(12400)*100,
		vmtags))
	assert.True(t, acc.CheckTaggedValue("used_percent",
		float64(5000)/float64(12400)*100,
		vmtags))
	assert.True(t, acc.CheckTaggedValue("free", uint64(1235), vmtags))

	acc.Points = nil

	err = (&SwapStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	swaptags := map[string]string(nil)

	assert.NoError(t, acc.ValidateTaggedValue("total", uint64(8123), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("used", uint64(1232), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("used_percent", float64(12.2), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("free", uint64(6412), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("in", uint64(7), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("out", uint64(830), swaptags))

	acc.Points = nil

	err = (&NetStats{&mps}).Gather(&acc)
	require.NoError(t, err)
	netstattags := map[string]string(nil)

	assert.NoError(t, acc.ValidateTaggedValue("tcp_established", 2, netstattags))
	assert.NoError(t, acc.ValidateTaggedValue("tcp_close", 1, netstattags))
	assert.NoError(t, acc.ValidateTaggedValue("udp_socket", 1, netstattags))

}
コード例 #5
0
ファイル: net_test.go プロジェクト: skwong2/telegraf
func TestNetStats(t *testing.T) {
	var mps MockPS
	var err error
	defer mps.AssertExpectations(t)
	var acc testutil.Accumulator

	netio := net.NetIOCountersStat{
		Name:        "eth0",
		BytesSent:   1123,
		BytesRecv:   8734422,
		PacketsSent: 781,
		PacketsRecv: 23456,
		Errin:       832,
		Errout:      8,
		Dropin:      7,
		Dropout:     1,
	}

	mps.On("NetIO").Return([]net.NetIOCountersStat{netio}, nil)

	netprotos := []net.NetProtoCountersStat{
		net.NetProtoCountersStat{
			Protocol: "Udp",
			Stats: map[string]int64{
				"InDatagrams": 4655,
				"NoPorts":     892592,
			},
		},
	}
	mps.On("NetProto").Return(netprotos, nil)

	netstats := []net.NetConnectionStat{
		net.NetConnectionStat{
			Type: syscall.SOCK_DGRAM,
		},
		net.NetConnectionStat{
			Status: "ESTABLISHED",
		},
		net.NetConnectionStat{
			Status: "ESTABLISHED",
		},
		net.NetConnectionStat{
			Status: "CLOSE",
		},
	}

	mps.On("NetConnections").Return(netstats, nil)

	err = (&NetIOStats{ps: &mps, skipChecks: true}).Gather(&acc)
	require.NoError(t, err)

	ntags := map[string]string{
		"interface": "eth0",
	}

	fields1 := map[string]interface{}{
		"bytes_sent":   uint64(1123),
		"bytes_recv":   uint64(8734422),
		"packets_sent": uint64(781),
		"packets_recv": uint64(23456),
		"err_in":       uint64(832),
		"err_out":      uint64(8),
		"drop_in":      uint64(7),
		"drop_out":     uint64(1),
	}
	acc.AssertContainsTaggedFields(t, "net", fields1, ntags)

	fields2 := map[string]interface{}{
		"udp_noports":     int64(892592),
		"udp_indatagrams": int64(4655),
	}
	ntags = map[string]string{
		"interface": "all",
	}
	acc.AssertContainsTaggedFields(t, "net", fields2, ntags)

	acc.Points = nil

	err = (&NetStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	fields3 := map[string]interface{}{
		"tcp_established": 2,
		"tcp_syn_sent":    0,
		"tcp_syn_recv":    0,
		"tcp_fin_wait1":   0,
		"tcp_fin_wait2":   0,
		"tcp_time_wait":   0,
		"tcp_close":       1,
		"tcp_close_wait":  0,
		"tcp_last_ack":    0,
		"tcp_listen":      0,
		"tcp_closing":     0,
		"tcp_none":        0,
		"udp_socket":      1,
	}
	acc.AssertContainsTaggedFields(t, "netstat", fields3, make(map[string]string))
}
コード例 #6
0
ファイル: system_test.go プロジェクト: nickscript0/telegraf
func TestSystemStats_GenerateStats(t *testing.T) {
	var mps MockPS

	defer mps.AssertExpectations(t)

	var acc testutil.Accumulator

	cts := cpu.CPUTimesStat{
		CPU:       "cpu0",
		User:      3.1,
		System:    8.2,
		Idle:      80.1,
		Nice:      1.3,
		Iowait:    0.2,
		Irq:       0.1,
		Softirq:   0.11,
		Steal:     0.0001,
		Guest:     8.1,
		GuestNice: 0.324,
		Stolen:    0.051,
	}

	cts2 := cpu.CPUTimesStat{
		CPU:       "cpu0",
		User:      11.4,     // increased by 8.3
		System:    10.9,     // increased by 2.7
		Idle:      158.8699, // increased by 78.7699 (for total increase of 100)
		Nice:      2.5,      // increased by 1.2
		Iowait:    0.7,      // increased by 0.5
		Irq:       1.2,      // increased by 1.1
		Softirq:   0.31,     // increased by 0.2
		Steal:     0.0002,   // increased by 0.0001
		Guest:     12.9,     // increased by 4.8
		GuestNice: 2.524,    // increased by 2.2
		Stolen:    0.281,    // increased by 0.23
	}

	mps.On("CPUTimes").Return([]cpu.CPUTimesStat{cts}, nil)

	du := &disk.DiskUsageStat{
		Path:        "/",
		Fstype:      "ext4",
		Total:       128,
		Free:        23,
		InodesTotal: 1234,
		InodesFree:  234,
	}

	mps.On("DiskUsage").Return([]*disk.DiskUsageStat{du}, nil)

	diskio := disk.DiskIOCountersStat{
		ReadCount:    888,
		WriteCount:   5341,
		ReadBytes:    100000,
		WriteBytes:   200000,
		ReadTime:     7123,
		WriteTime:    9087,
		Name:         "sda1",
		IoTime:       123552,
		SerialNumber: "ab-123-ad",
	}

	mps.On("DiskIO").Return(map[string]disk.DiskIOCountersStat{"sda1": diskio}, nil)

	netio := net.NetIOCountersStat{
		Name:        "eth0",
		BytesSent:   1123,
		BytesRecv:   8734422,
		PacketsSent: 781,
		PacketsRecv: 23456,
		Errin:       832,
		Errout:      8,
		Dropin:      7,
		Dropout:     1,
	}

	mps.On("NetIO").Return([]net.NetIOCountersStat{netio}, nil)

	vms := &mem.VirtualMemoryStat{
		Total:       12400,
		Available:   7600,
		Used:        5000,
		UsedPercent: 47.1,
		Free:        1235,
		Active:      8134,
		Inactive:    1124,
		Buffers:     771,
		Cached:      4312,
		Wired:       134,
		Shared:      2142,
	}

	mps.On("VMStat").Return(vms, nil)

	sms := &mem.SwapMemoryStat{
		Total:       8123,
		Used:        1232,
		Free:        6412,
		UsedPercent: 12.2,
		Sin:         7,
		Sout:        830,
	}

	mps.On("SwapStat").Return(sms, nil)

	cs := NewCPUStats(&mps)

	cputags := map[string]string{
		"cpu": "cpu0",
	}

	preCPUPoints := len(acc.Points)
	err := cs.Gather(&acc)
	require.NoError(t, err)
	numCPUPoints := len(acc.Points) - preCPUPoints

	expectedCPUPoints := 12
	assert.Equal(t, numCPUPoints, expectedCPUPoints)

	// Computed values are checked with delta > 0 becasue of floating point arithmatic
	// imprecision
	assertContainsTaggedFloat(t, acc, "user", 3.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "system", 8.2, 0, cputags)
	assertContainsTaggedFloat(t, acc, "idle", 80.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "nice", 1.3, 0, cputags)
	assertContainsTaggedFloat(t, acc, "iowait", 0.2, 0, cputags)
	assertContainsTaggedFloat(t, acc, "irq", 0.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "softirq", 0.11, 0, cputags)
	assertContainsTaggedFloat(t, acc, "steal", 0.0001, 0, cputags)
	assertContainsTaggedFloat(t, acc, "guest", 8.1, 0, cputags)
	assertContainsTaggedFloat(t, acc, "guestNice", 0.324, 0, cputags)
	assertContainsTaggedFloat(t, acc, "stolen", 0.051, 0, cputags)
	assertContainsTaggedFloat(t, acc, "busy", 21.4851, 0.0005, cputags)

	mps2 := MockPS{}
	mps2.On("CPUTimes").Return([]cpu.CPUTimesStat{cts2}, nil)
	cs.ps = &mps2

	// Should have added cpu percentages too
	err = cs.Gather(&acc)
	require.NoError(t, err)

	numCPUPoints = len(acc.Points) - (preCPUPoints + numCPUPoints)
	expectedCPUPoints = 24
	assert.Equal(t, numCPUPoints, expectedCPUPoints)

	assertContainsTaggedFloat(t, acc, "user", 11.4, 0, cputags)
	assertContainsTaggedFloat(t, acc, "system", 10.9, 0, cputags)
	assertContainsTaggedFloat(t, acc, "idle", 158.8699, 0, cputags)
	assertContainsTaggedFloat(t, acc, "nice", 2.5, 0, cputags)
	assertContainsTaggedFloat(t, acc, "iowait", 0.7, 0, cputags)
	assertContainsTaggedFloat(t, acc, "irq", 1.2, 0, cputags)
	assertContainsTaggedFloat(t, acc, "softirq", 0.31, 0, cputags)
	assertContainsTaggedFloat(t, acc, "steal", 0.0002, 0, cputags)
	assertContainsTaggedFloat(t, acc, "guest", 12.9, 0, cputags)
	assertContainsTaggedFloat(t, acc, "guestNice", 2.524, 0, cputags)
	assertContainsTaggedFloat(t, acc, "stolen", 0.281, 0, cputags)
	assertContainsTaggedFloat(t, acc, "busy", 42.7152, 0.0005, cputags)

	assertContainsTaggedFloat(t, acc, "percentageUser", 8.3, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageSystem", 2.7, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageIdle", 78.7699, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageNice", 1.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageIowait", 0.5, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageIrq", 1.1, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageSoftirq", 0.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageSteal", 0.0001, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageGuest", 4.8, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageGuestNice", 2.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageStolen", 0.23, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageBusy", 21.2301, 0.0005, cputags)

	err = (&DiskStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	tags := map[string]string{
		"path":   "/",
		"fstype": "ext4",
	}

	assert.True(t, acc.CheckTaggedValue("total", uint64(128), tags))
	assert.True(t, acc.CheckTaggedValue("used", uint64(105), tags))
	assert.True(t, acc.CheckTaggedValue("free", uint64(23), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_total", uint64(1234), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_free", uint64(234), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_used", uint64(1000), tags))

	err = (&NetIOStats{ps: &mps, skipChecks: true}).Gather(&acc)
	require.NoError(t, err)

	ntags := map[string]string{
		"interface": "eth0",
	}

	assert.NoError(t, acc.ValidateTaggedValue("bytes_sent", uint64(1123), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("bytes_recv", uint64(8734422), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_sent", uint64(781), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_recv", uint64(23456), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_in", uint64(832), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_out", uint64(8), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_in", uint64(7), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_out", uint64(1), ntags))

	err = (&DiskIOStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	dtags := map[string]string{
		"name":   "sda1",
		"serial": "ab-123-ad",
	}

	assert.True(t, acc.CheckTaggedValue("reads", uint64(888), dtags))
	assert.True(t, acc.CheckTaggedValue("writes", uint64(5341), dtags))
	assert.True(t, acc.CheckTaggedValue("read_bytes", uint64(100000), dtags))
	assert.True(t, acc.CheckTaggedValue("write_bytes", uint64(200000), dtags))
	assert.True(t, acc.CheckTaggedValue("read_time", uint64(7123), dtags))
	assert.True(t, acc.CheckTaggedValue("write_time", uint64(9087), dtags))
	assert.True(t, acc.CheckTaggedValue("io_time", uint64(123552), dtags))

	err = (&MemStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	vmtags := map[string]string(nil)

	assert.True(t, acc.CheckTaggedValue("total", uint64(12400), vmtags))
	assert.True(t, acc.CheckTaggedValue("available", uint64(7600), vmtags))
	assert.True(t, acc.CheckTaggedValue("used", uint64(5000), vmtags))
	assert.True(t, acc.CheckTaggedValue("used_perc", float64(47.1), vmtags))
	assert.True(t, acc.CheckTaggedValue("free", uint64(1235), vmtags))
	assert.True(t, acc.CheckTaggedValue("active", uint64(8134), vmtags))
	assert.True(t, acc.CheckTaggedValue("inactive", uint64(1124), vmtags))
	assert.True(t, acc.CheckTaggedValue("buffers", uint64(771), vmtags))
	assert.True(t, acc.CheckTaggedValue("cached", uint64(4312), vmtags))
	assert.True(t, acc.CheckTaggedValue("wired", uint64(134), vmtags))
	assert.True(t, acc.CheckTaggedValue("shared", uint64(2142), vmtags))

	acc.Points = nil

	err = (&SwapStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	swaptags := map[string]string(nil)

	assert.NoError(t, acc.ValidateTaggedValue("total", uint64(8123), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("used", uint64(1232), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("used_perc", float64(12.2), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("free", uint64(6412), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("in", uint64(7), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("out", uint64(830), swaptags))
}
コード例 #7
0
ファイル: zfs_test.go プロジェクト: d4devops/telegraf
func TestZfsGeneratesMetrics(t *testing.T) {
	err := os.MkdirAll(testKstatPath, 0755)
	require.NoError(t, err)

	err = os.MkdirAll(testKstatPath+"/HOME", 0755)
	require.NoError(t, err)

	err = ioutil.WriteFile(testKstatPath+"/HOME/io", []byte(""), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testKstatPath+"/arcstats", []byte(arcstatsContents), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testKstatPath+"/zfetchstats", []byte(zfetchstatsContents), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testKstatPath+"/vdev_cache_stats", []byte(vdev_cache_statsContents), 0644)
	require.NoError(t, err)

	intMetrics := getKstatMetricsAll()

	var acc testutil.Accumulator

	//one pool, all metrics
	tags := map[string]string{
		"pools": "HOME",
	}

	z := &Zfs{KstatPath: testKstatPath}
	err = z.Gather(&acc)
	require.NoError(t, err)

	acc.AssertContainsTaggedFields(t, "zfs", intMetrics, tags)
	acc.Points = nil

	//two pools, all metrics
	err = os.MkdirAll(testKstatPath+"/STORAGE", 0755)
	require.NoError(t, err)

	err = ioutil.WriteFile(testKstatPath+"/STORAGE/io", []byte(""), 0644)
	require.NoError(t, err)

	tags = map[string]string{
		"pools": "HOME::STORAGE",
	}

	z = &Zfs{KstatPath: testKstatPath}
	acc = testutil.Accumulator{}
	err = z.Gather(&acc)
	require.NoError(t, err)

	acc.AssertContainsTaggedFields(t, "zfs", intMetrics, tags)
	acc.Points = nil

	intMetrics = getKstatMetricsArcOnly()

	//two pools, one metric
	z = &Zfs{KstatPath: testKstatPath, KstatMetrics: []string{"arcstats"}}
	acc = testutil.Accumulator{}
	err = z.Gather(&acc)
	require.NoError(t, err)

	acc.AssertContainsTaggedFields(t, "zfs", intMetrics, tags)

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