Golang Accumulator.CheckTaggedValue方法代码示例

func TestPrometheusWritePointTag(t *testing.T) {

	p := &prometheus.Prometheus{
		Urls: []string{"http://localhost:9126/metrics"},
	}
	tags := make(map[string]string)
	tags["testtag"] = "testvalue"
	var points = []*client.Point{
		client.NewPoint(
			"test_point_3",
			tags,
			map[string]interface{}{"value": 0.0}),
		client.NewPoint(
			"test_point_4",
			tags,
			map[string]interface{}{"value": 1.0}),
	}
	require.NoError(t, pTesting.Write(points))

	expected := []struct {
		name  string
		value float64
	}{
		{"test_point_3", 0.0},
		{"test_point_4", 1.0},
	}

	var acc testutil.Accumulator

	require.NoError(t, p.Gather(&acc))
	for _, e := range expected {
		assert.True(t, acc.CheckTaggedValue(e.name, e.value, tags))
	}
}

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

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

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

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

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

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

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

func TestMailChimpGatherReports(t *testing.T) {
	ts := httptest.NewServer(
		http.HandlerFunc(
			func(w http.ResponseWriter, r *http.Request) {
				w.WriteHeader(http.StatusOK)
				fmt.Fprintln(w, sampleReports)
			},
		))
	defer ts.Close()

	u, err := url.ParseRequestURI(ts.URL)
	require.NoError(t, err)

	api := &ChimpAPI{
		url:   u,
		Debug: true,
	}
	m := MailChimp{
		api: api,
	}

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

	tags := make(map[string]string)
	tags["id"] = "42694e9e57"
	tags["campaign_title"] = "Freddie's Jokes Vol. 1"

	testInts := []struct {
		measurement string
		value       int
	}{
		{"emails_sent", 200},
		{"abuse_reports", 0},
		{"unsubscribed", 2},
		{"hard_bounces", 0},
		{"soft_bounces", 2},
		{"syntax_errors", 0},
		{"forwards_count", 0},
		{"forwards_opens", 0},
		{"opens_total", 186},
		{"unique_opens", 100},
		{"clicks_total", 42},
		{"unique_clicks", 400},
		{"unique_subscriber_clicks", 42},
		{"facebook_recipient_likes", 5},
		{"facebook_unique_likes", 8},
		{"facebook_likes", 42},
	}
	for _, test := range testInts {
		assert.True(t, acc.CheckTaggedValue(test.measurement, test.value, tags),
			fmt.Sprintf("Measurement: %v, value: %v, tags: %v not found",
				test.measurement, test.value, tags))
	}

	testFloats := []struct {
		measurement string
		value       float64
	}{
		{"open_rate", 42},
		{"click_rate", 42},
		{"industry_open_rate", 0.17076777144396},
		{"industry_click_rate", 0.027431311866951},
		{"industry_bounce_rate", 0.0063767751251474},
		{"industry_unopen_rate", 0.82285545343089},
		{"industry_unsub_rate", 0.001436957032815},
		{"industry_abuse_rate", 0.00021111996110887},
		{"list_stats_sub_rate", 10},
		{"list_stats_unsub_rate", 20},
		{"list_stats_open_rate", 42},
		{"list_stats_click_rate", 42},
	}
	for _, test := range testFloats {
		assert.True(t, acc.CheckTaggedValue(test.measurement, test.value, tags),
			fmt.Sprintf("Measurement: %v, value: %v, tags: %v not found",
				test.measurement, test.value, tags))
	}

	testStrings := []struct {
		measurement string
		value       string
	}{
		{"industry_type", "Social Networks and Online Communities"},
	}
	for _, test := range testStrings {
		assert.True(t, acc.CheckTaggedValue(test.measurement, test.value, tags),
			fmt.Sprintf("Measurement: %v, value: %v, tags: %v not found",
				test.measurement, test.value, tags))
	}
}

//.........这里部分代码省略.........
	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))

//.........这里部分代码省略.........
	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))

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)

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

	//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)

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

	intMetrics = getKstatMetricsArcOnly()

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

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

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

func TestDockerStats_GenerateStats(t *testing.T) {
	var mps MockPS
	var acc testutil.Accumulator

	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,
		},
		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)

	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("guest_nice", 0.324, 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))
//.........这里部分代码省略.........

//.........这里部分代码省略.........
	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))

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)
}

//.........这里部分代码省略.........
	require.NoError(t, err)

	err = ioutil.WriteFile(testBcacheUuidPath+"/bdev0/dirty_data", []byte(dirty_data), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testBcacheUuidPath+"/bdev0/stats_total/bypassed", []byte(bypassed), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testBcacheUuidPath+"/bdev0/stats_total/cache_bypass_hits", []byte(cache_bypass_hits), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testBcacheUuidPath+"/bdev0/stats_total/cache_bypass_misses", []byte(cache_bypass_misses), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testBcacheUuidPath+"/bdev0/stats_total/cache_hit_ratio", []byte(cache_hit_ratio), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testBcacheUuidPath+"/bdev0/stats_total/cache_hits", []byte(cache_hits), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testBcacheUuidPath+"/bdev0/stats_total/cache_miss_collisions", []byte(cache_miss_collisions), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testBcacheUuidPath+"/bdev0/stats_total/cache_misses", []byte(cache_misses), 0644)
	require.NoError(t, err)

	err = ioutil.WriteFile(testBcacheUuidPath+"/bdev0/stats_total/cache_readaheads", []byte(cache_readaheads), 0644)
	require.NoError(t, err)

	intMetrics := []*metrics{
		{
			name:  "dirty_data",
			value: 1610612736,
		},
		{
			name:  "bypassed",
			value: 5167704440832,
		},
		{
			name:  "cache_bypass_hits",
			value: 146155333,
		},
		{
			name:  "cache_bypass_misses",
			value: 0,
		},
		{
			name:  "cache_hit_ratio",
			value: 90,
		},
		{
			name:  "cache_hits",
			value: 511469583,
		},
		{
			name:  "cache_miss_collisions",
			value: 157567,
		},
		{
			name:  "cache_misses",
			value: 50616331,
		},
		{
			name:  "cache_readaheads",
			value: 2,
		},
	}

	tags := map[string]string{
		"backing_dev": "md10",
		"bcache_dev":  "bcache0",
	}

	var acc testutil.Accumulator

	//all devs
	b := &Bcache{BcachePath: testBcachePath}

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

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

	//one exist dev
	b = &Bcache{BcachePath: testBcachePath, BcacheDevs: []string{"bcache0"}}

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

	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)
}

//.........这里部分代码省略.........
		{
			name:  "zfetchstats_colinear_hits",
			value: 1366368,
		},
		{
			name:  "zfetchstats_colinear_misses",
			value: 4153117839,
		},
		{
			name:  "zfetchstats_stride_hits",
			value: 7309776732,
		},
		{
			name:  "zfetchstats_stride_misses",
			value: 222766182,
		},
		{
			name:  "zfetchstats_reclaim_successes",
			value: 107788388,
		},
		{
			name:  "zfetchstats_reclaim_failures",
			value: 4045329451,
		},
		{
			name:  "zfetchstats_streams_resets",
			value: 20989756,
		},
		{
			name:  "zfetchstats_streams_noresets",
			value: 503182328,
		},
		{
			name:  "zfetchstats_bogus_streams",
			value: 0,
		},
		{
			name:  "vdev_cache_stats_delegations",
			value: 0,
		},
		{
			name:  "vdev_cache_stats_hits",
			value: 0,
		},
		{
			name:  "vdev_cache_stats_misses",
			value: 0,
		},
	}

	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)

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

	//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}
	err = z.Gather(&acc)
	require.NoError(t, err)

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

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

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

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