Esempio n. 1
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func TestTailFromEnd(t *testing.T) {
	tmpfile, err := ioutil.TempFile("", "")
	require.NoError(t, err)
	defer os.Remove(tmpfile.Name())
	_, err = tmpfile.WriteString("cpu,mytag=foo usage_idle=100\n")
	require.NoError(t, err)

	tt := NewTail()
	tt.Files = []string{tmpfile.Name()}
	p, _ := parsers.NewInfluxParser()
	tt.SetParser(p)
	defer tt.Stop()
	defer tmpfile.Close()

	acc := testutil.Accumulator{}
	require.NoError(t, tt.Start(&acc))
	time.Sleep(time.Millisecond * 100)

	_, err = tmpfile.WriteString("cpu,othertag=foo usage_idle=100\n")
	require.NoError(t, err)
	require.NoError(t, tt.Gather(&acc))
	time.Sleep(time.Millisecond * 50)

	acc.AssertContainsTaggedFields(t, "cpu",
		map[string]interface{}{
			"usage_idle": float64(100),
		},
		map[string]string{
			"othertag": "foo",
		})
	assert.Len(t, acc.Metrics, 1)
}
Esempio n. 2
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func TestConnectUDP(t *testing.T) {
	listener := UdpListener{
		ServiceAddress:         ":8127",
		AllowedPendingMessages: 10000,
	}
	listener.parser, _ = parsers.NewInfluxParser()

	acc := &testutil.Accumulator{}
	require.NoError(t, listener.Start(acc))
	defer listener.Stop()

	time.Sleep(time.Millisecond * 25)
	conn, err := net.Dial("udp", "127.0.0.1:8127")
	require.NoError(t, err)

	// send single message to socket
	fmt.Fprintf(conn, testMsg)
	time.Sleep(time.Millisecond * 15)
	acc.AssertContainsTaggedFields(t, "cpu_load_short",
		map[string]interface{}{"value": float64(12)},
		map[string]string{"host": "server01"},
	)

	// send multiple messages to socket
	fmt.Fprintf(conn, testMsgs)
	time.Sleep(time.Millisecond * 15)
	hostTags := []string{"server02", "server03",
		"server04", "server05", "server06"}
	for _, hostTag := range hostTags {
		acc.AssertContainsTaggedFields(t, "cpu_load_short",
			map[string]interface{}{"value": float64(12)},
			map[string]string{"host": hostTag},
		)
	}
}
Esempio n. 3
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func TestRunParser(t *testing.T) {
	log.SetOutput(ioutil.Discard)
	var testmsg = []byte("cpu_load_short,host=server01 value=12.0 1422568543702900257")

	listener, in := newTestUdpListener()
	acc := testutil.Accumulator{}
	listener.acc = &acc
	defer close(listener.done)

	listener.parser, _ = parsers.NewInfluxParser()
	listener.wg.Add(1)
	go listener.udpParser()

	in <- testmsg
	time.Sleep(time.Millisecond * 25)
	listener.Gather(&acc)

	if a := acc.NFields(); a != 1 {
		t.Errorf("got %v, expected %v", a, 1)
	}

	acc.AssertContainsTaggedFields(t, "cpu_load_short",
		map[string]interface{}{"value": float64(12)},
		map[string]string{"host": "server01"},
	)
}
Esempio n. 4
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func TestHighTrafficUDP(t *testing.T) {
	listener := UdpListener{
		ServiceAddress:         ":8126",
		AllowedPendingMessages: 100000,
	}
	listener.parser, _ = parsers.NewInfluxParser()
	acc := &testutil.Accumulator{}

	// send multiple messages to socket
	err := listener.Start(acc)
	require.NoError(t, err)

	time.Sleep(time.Millisecond * 25)
	conn, err := net.Dial("udp", "127.0.0.1:8126")
	require.NoError(t, err)
	for i := 0; i < 20000; i++ {
		// arbitrary, just to give the OS buffer some slack handling the
		// packet storm.
		time.Sleep(time.Microsecond)
		fmt.Fprintf(conn, testMsgs)
	}
	time.Sleep(time.Millisecond)
	listener.Stop()

	// this is not an exact science, since UDP packets can easily get lost or
	// dropped, but assume that the OS will be able to
	// handle at least 90% of the sent UDP packets.
	assert.InDelta(t, 100000, len(acc.Metrics), 10000)
}
Esempio n. 5
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func TestLineProtocolParseMultiple(t *testing.T) {
	parser, _ := parsers.NewInfluxParser()
	e := &Exec{
		runner:   newRunnerMock([]byte(lineProtocolMulti), nil),
		Commands: []string{"line-protocol"},
		parser:   parser,
	}

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

	fields := map[string]interface{}{
		"usage_idle": float64(99),
		"usage_busy": float64(1),
	}
	tags := map[string]string{
		"host":       "foo",
		"datacenter": "us-east",
	}
	cpuTags := []string{"cpu0", "cpu1", "cpu2", "cpu3", "cpu4", "cpu5", "cpu6"}

	for _, cpu := range cpuTags {
		tags["cpu"] = cpu
		acc.AssertContainsTaggedFields(t, "cpu", fields, tags)
	}
}
Esempio n. 6
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// Test that MaxTCPConections is respected when max==1
func TestConcurrentConns1(t *testing.T) {
	listener := TcpListener{
		ServiceAddress:         ":8196",
		AllowedPendingMessages: 10000,
		MaxTCPConnections:      1,
	}
	listener.parser, _ = parsers.NewInfluxParser()

	acc := &testutil.Accumulator{}
	require.NoError(t, listener.Start(acc))
	defer listener.Stop()

	time.Sleep(time.Millisecond * 25)
	_, err := net.Dial("tcp", "127.0.0.1:8196")
	assert.NoError(t, err)

	// Connection over the limit:
	conn, err := net.Dial("tcp", "127.0.0.1:8196")
	assert.NoError(t, err)
	net.Dial("tcp", "127.0.0.1:8196")
	buf := make([]byte, 1500)
	n, err := conn.Read(buf)
	assert.NoError(t, err)
	assert.Equal(t,
		"Telegraf maximum concurrent TCP connections (1) reached, closing.\n"+
			"You may want to increase max_tcp_connections in"+
			" the Telegraf tcp listener configuration.\n",
		string(buf[:n]))

	_, err = conn.Write([]byte(testMsg))
	assert.NoError(t, err)
	time.Sleep(time.Millisecond * 10)
	assert.Zero(t, acc.NFields())
}
Esempio n. 7
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// benchmark how long it takes to accept & process 100,000 metrics:
func BenchmarkTCP(b *testing.B) {
	listener := TcpListener{
		ServiceAddress:         ":8198",
		AllowedPendingMessages: 100000,
		MaxTCPConnections:      250,
	}
	listener.parser, _ = parsers.NewInfluxParser()
	acc := &testutil.Accumulator{Discard: true}

	// send multiple messages to socket
	for n := 0; n < b.N; n++ {
		err := listener.Start(acc)
		if err != nil {
			panic(err)
		}

		time.Sleep(time.Millisecond * 25)
		conn, err := net.Dial("tcp", "127.0.0.1:8198")
		if err != nil {
			panic(err)
		}
		for i := 0; i < 100000; i++ {
			fmt.Fprintf(conn, testMsg)
		}
		// wait for 100,000 metrics to get added to accumulator
		time.Sleep(time.Millisecond)
		listener.Stop()
	}
}
Esempio n. 8
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func TestRunParser(t *testing.T) {
	var testmsg = []byte(testMsg)

	listener, in := newTestTcpListener()
	acc := testutil.Accumulator{}
	listener.acc = &acc
	defer close(listener.done)

	listener.parser, _ = parsers.NewInfluxParser()
	listener.wg.Add(1)
	go listener.tcpParser()

	in <- testmsg
	time.Sleep(time.Millisecond * 25)
	listener.Gather(&acc)

	if a := acc.NFields(); a != 1 {
		t.Errorf("got %v, expected %v", a, 1)
	}

	acc.AssertContainsTaggedFields(t, "cpu_load_short",
		map[string]interface{}{"value": float64(12)},
		map[string]string{"host": "server01"},
	)
}
Esempio n. 9
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func TestTailFromBeginning(t *testing.T) {
	tmpfile, err := ioutil.TempFile("", "")
	require.NoError(t, err)
	defer os.Remove(tmpfile.Name())

	tt := NewTail()
	tt.FromBeginning = true
	tt.Files = []string{tmpfile.Name()}
	p, _ := parsers.NewInfluxParser()
	tt.SetParser(p)
	defer tt.Stop()
	defer tmpfile.Close()

	acc := testutil.Accumulator{}
	require.NoError(t, tt.Start(&acc))

	_, err = tmpfile.WriteString("cpu,mytag=foo usage_idle=100\n")
	require.NoError(t, err)
	require.NoError(t, tt.Gather(&acc))
	// arbitrary sleep to wait for message to show up
	time.Sleep(time.Millisecond * 250)

	acc.AssertContainsTaggedFields(t, "cpu",
		map[string]interface{}{
			"usage_idle": float64(100),
		},
		map[string]string{
			"mytag": "foo",
		})
}
Esempio n. 10
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// writes 25,000 metrics to the listener with 10 different writers
func TestWriteHTTPHighTraffic(t *testing.T) {
	listener := &HttpListener{ServiceAddress: ":8286"}
	parser, _ := parsers.NewInfluxParser()
	listener.SetParser(parser)

	acc := &testutil.Accumulator{}
	require.NoError(t, listener.Start(acc))
	defer listener.Stop()

	time.Sleep(time.Millisecond * 25)

	// post many messages to listener
	var wg sync.WaitGroup
	for i := 0; i < 10; i++ {
		wg.Add(1)
		go func() {
			for i := 0; i < 500; i++ {
				resp, err := http.Post("http://localhost:8286/write?db=mydb", "", bytes.NewBuffer([]byte(testMsgs)))
				require.NoError(t, err)
				require.EqualValues(t, 204, resp.StatusCode)
			}
			wg.Done()
		}()
	}

	wg.Wait()
	time.Sleep(time.Millisecond * 50)
	listener.Gather(acc)

	require.Equal(t, int64(25000), int64(acc.NMetrics()))
}
Esempio n. 11
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// Test that the parser ignores invalid messages
func TestRunParserInvalidMsg(t *testing.T) {
	k, in := NewTestKafka()
	defer close(k.done)

	k.parser, _ = parsers.NewInfluxParser()
	go k.receiver()
	in <- saramaMsg(invalidMsg)
	time.Sleep(time.Millisecond)

	assert.Equal(t, len(k.metricC), 0)
}
Esempio n. 12
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// Test that the parser ignores invalid messages
func TestRunParserInvalidMsg(t *testing.T) {
	k, in := newTestKafka()
	acc := testutil.Accumulator{}
	k.acc = &acc
	defer close(k.done)

	k.parser, _ = parsers.NewInfluxParser()
	go k.receiver()
	in <- saramaMsg(invalidMsg)
	time.Sleep(time.Millisecond * 5)

	assert.Equal(t, acc.NFields(), 0)
}
Esempio n. 13
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// Test that the parser ignores invalid messages
func TestRunParserInvalidMsg(t *testing.T) {
	n, in := newTestNatsConsumer()
	defer close(n.done)

	n.parser, _ = parsers.NewInfluxParser()
	go n.receiver()
	in <- natsMsg(invalidMsg)
	time.Sleep(time.Millisecond)

	if a := len(n.metricC); a != 0 {
		t.Errorf("got %v, expected %v", a, 0)
	}
}
Esempio n. 14
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// Test that points are dropped when we hit the buffer limit
func TestRunParserRespectsBuffer(t *testing.T) {
	k, in := NewTestKafka()
	defer close(k.done)

	k.parser, _ = parsers.NewInfluxParser()
	go k.receiver()
	for i := 0; i < pointBuffer+1; i++ {
		in <- saramaMsg(testMsg)
	}
	time.Sleep(time.Millisecond)

	assert.Equal(t, len(k.metricC), 5)
}
Esempio n. 15
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// This test is modeled after the kafka consumer integration test
func TestReadsMetricsFromNSQ(t *testing.T) {
	msgID := nsq.MessageID{'1', '2', '3', '4', '5', '6', '7', '8', '9', '0', 'a', 's', 'd', 'f', 'g', 'h'}
	msg := nsq.NewMessage(msgID, []byte("cpu_load_short,direction=in,host=server01,region=us-west value=23422.0 1422568543702900257"))

	script := []instruction{
		// SUB
		instruction{0, nsq.FrameTypeResponse, []byte("OK")},
		// IDENTIFY
		instruction{0, nsq.FrameTypeResponse, []byte("OK")},
		instruction{20 * time.Millisecond, nsq.FrameTypeMessage, frameMessage(msg)},
		// needed to exit test
		instruction{100 * time.Millisecond, -1, []byte("exit")},
	}

	addr, _ := net.ResolveTCPAddr("tcp", "127.0.0.1:4155")
	newMockNSQD(script, addr.String())

	consumer := &NSQConsumer{
		Server:      "127.0.0.1:4155",
		Topic:       "telegraf",
		Channel:     "consume",
		MaxInFlight: 1,
	}

	p, _ := parsers.NewInfluxParser()
	consumer.SetParser(p)
	var acc testutil.Accumulator
	assert.Equal(t, 0, len(acc.Metrics), "There should not be any points")
	if err := consumer.Start(&acc); err != nil {
		t.Fatal(err.Error())
	} else {
		defer consumer.Stop()
	}

	waitForPoint(&acc, t)

	if len(acc.Metrics) == 1 {
		point := acc.Metrics[0]
		assert.Equal(t, "cpu_load_short", point.Measurement)
		assert.Equal(t, map[string]interface{}{"value": 23422.0}, point.Fields)
		assert.Equal(t, map[string]string{
			"host":      "server01",
			"direction": "in",
			"region":    "us-west",
		}, point.Tags)
		assert.Equal(t, time.Unix(0, 1422568543702900257).Unix(), point.Time.Unix())
	} else {
		t.Errorf("No points found in accumulator, expected 1")
	}

}
Esempio n. 16
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func TestReceive404ForInvalidEndpoint(t *testing.T) {
	listener := newTestHttpListener()
	listener.parser, _ = parsers.NewInfluxParser()

	acc := &testutil.Accumulator{}
	require.NoError(t, listener.Start(acc))
	defer listener.Stop()

	time.Sleep(time.Millisecond * 25)

	// post single message to listener
	resp, err := http.Post("http://localhost:8186/foobar", "", bytes.NewBuffer([]byte(testMsg)))
	require.NoError(t, err)
	require.EqualValues(t, 404, resp.StatusCode)
}
// Test that the parser ignores invalid messages
func TestRunParserInvalidMsg(t *testing.T) {
	n, in := newTestMQTTConsumer()
	acc := testutil.Accumulator{}
	n.acc = &acc
	defer close(n.done)

	n.parser, _ = parsers.NewInfluxParser()
	go n.receiver()
	in <- mqttMsg(invalidMsg)
	time.Sleep(time.Millisecond * 25)

	if a := acc.NFields(); a != 0 {
		t.Errorf("got %v, expected %v", a, 0)
	}
}
Esempio n. 18
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// Test that metrics are dropped when we hit the buffer limit
func TestRunParserRespectsBuffer(t *testing.T) {
	n, in := newTestNatsConsumer()
	defer close(n.done)

	n.parser, _ = parsers.NewInfluxParser()
	go n.receiver()
	for i := 0; i < metricBuffer+1; i++ {
		in <- natsMsg(testMsg)
	}
	time.Sleep(time.Millisecond)

	if a := len(n.metricC); a != metricBuffer {
		t.Errorf("got %v, expected %v", a, metricBuffer)
	}
}
Esempio n. 19
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// Test that the parser parses NATS messages into metrics
func TestRunParser(t *testing.T) {
	n, in := newTestNatsConsumer()
	acc := testutil.Accumulator{}
	n.acc = &acc
	defer close(n.done)

	n.parser, _ = parsers.NewInfluxParser()
	go n.receiver()
	in <- natsMsg(testMsg)
	time.Sleep(time.Millisecond * 25)

	if acc.NFields() != 1 {
		t.Errorf("got %v, expected %v", acc.NFields(), 1)
	}
}
// Test that the parser parses line format messages into metrics
func TestRunParserAndGather(t *testing.T) {
	n, in := newTestMQTTConsumer()
	acc := testutil.Accumulator{}
	n.acc = &acc
	defer close(n.done)

	n.parser, _ = parsers.NewInfluxParser()
	go n.receiver()
	in <- mqttMsg(testMsg)
	time.Sleep(time.Millisecond * 25)

	n.Gather(&acc)

	acc.AssertContainsFields(t, "cpu_load_short",
		map[string]interface{}{"value": float64(23422)})
}
Esempio n. 21
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// Test that the parser parses kafka messages into points
func TestRunParserAndGather(t *testing.T) {
	k, in := NewTestKafka()
	defer close(k.done)

	k.parser, _ = parsers.NewInfluxParser()
	go k.receiver()
	in <- saramaMsg(testMsg)
	time.Sleep(time.Millisecond)

	acc := testutil.Accumulator{}
	k.Gather(&acc)

	assert.Equal(t, len(acc.Metrics), 1)
	acc.AssertContainsFields(t, "cpu_load_short",
		map[string]interface{}{"value": float64(23422)})
}
Esempio n. 22
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func TestWriteHTTPEmpty(t *testing.T) {
	time.Sleep(time.Millisecond * 250)

	listener := newTestHttpListener()
	listener.parser, _ = parsers.NewInfluxParser()

	acc := &testutil.Accumulator{}
	require.NoError(t, listener.Start(acc))
	defer listener.Stop()

	time.Sleep(time.Millisecond * 25)

	// post single message to listener
	resp, err := http.Post("http://localhost:8186/write?db=mydb", "", bytes.NewBuffer([]byte(emptyMsg)))
	require.NoError(t, err)
	require.EqualValues(t, 204, resp.StatusCode)
}
Esempio n. 23
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// Test that the parser parses line format messages into metrics
func TestRunParserAndGather(t *testing.T) {
	n, in := newTestNatsConsumer()
	defer close(n.done)

	n.parser, _ = parsers.NewInfluxParser()
	go n.receiver()
	in <- natsMsg(testMsg)
	time.Sleep(time.Millisecond)

	acc := testutil.Accumulator{}
	n.Gather(&acc)

	if a := len(acc.Metrics); a != 1 {
		t.Errorf("got %v, expected %v", a, 1)
	}
	acc.AssertContainsFields(t, "cpu_load_short",
		map[string]interface{}{"value": float64(23422)})
}
Esempio n. 24
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func TestRunParserInvalidMsg(t *testing.T) {
	var testmsg = []byte("cpu_load_short")

	listener, in := newTestTcpListener()
	acc := testutil.Accumulator{}
	listener.acc = &acc
	defer close(listener.done)

	listener.parser, _ = parsers.NewInfluxParser()
	listener.wg.Add(1)
	go listener.tcpParser()

	in <- testmsg
	time.Sleep(time.Millisecond * 25)

	if a := acc.NFields(); a != 0 {
		t.Errorf("got %v, expected %v", a, 0)
	}
}
Esempio n. 25
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// Test that MaxTCPConections is respected
func TestCloseConcurrentConns(t *testing.T) {
	listener := TcpListener{
		ServiceAddress:         ":8195",
		AllowedPendingMessages: 10000,
		MaxTCPConnections:      2,
	}
	listener.parser, _ = parsers.NewInfluxParser()

	acc := &testutil.Accumulator{}
	require.NoError(t, listener.Start(acc))

	time.Sleep(time.Millisecond * 25)
	_, err := net.Dial("tcp", "127.0.0.1:8195")
	assert.NoError(t, err)
	_, err = net.Dial("tcp", "127.0.0.1:8195")
	assert.NoError(t, err)

	listener.Stop()
}
Esempio n. 26
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func TestQueryAndPingHTTP(t *testing.T) {
	time.Sleep(time.Millisecond * 250)

	listener := newTestHttpListener()
	listener.parser, _ = parsers.NewInfluxParser()

	acc := &testutil.Accumulator{}
	require.NoError(t, listener.Start(acc))
	defer listener.Stop()

	time.Sleep(time.Millisecond * 25)

	// post query to listener
	resp, err := http.Post("http://localhost:8186/query?db=&q=CREATE+DATABASE+IF+NOT+EXISTS+%22mydb%22", "", nil)
	require.NoError(t, err)
	require.EqualValues(t, 200, resp.StatusCode)

	// post ping to listener
	resp, err = http.Post("http://localhost:8186/ping", "", nil)
	require.NoError(t, err)
	require.EqualValues(t, 204, resp.StatusCode)
}
Esempio n. 27
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func TestTailBadLine(t *testing.T) {
	tmpfile, err := ioutil.TempFile("", "")
	require.NoError(t, err)
	defer os.Remove(tmpfile.Name())

	tt := NewTail()
	tt.FromBeginning = true
	tt.Files = []string{tmpfile.Name()}
	p, _ := parsers.NewInfluxParser()
	tt.SetParser(p)
	defer tt.Stop()
	defer tmpfile.Close()

	acc := testutil.Accumulator{}
	require.NoError(t, tt.Start(&acc))

	_, err = tmpfile.WriteString("cpu mytag= foo usage_idle= 100\n")
	require.NoError(t, err)
	require.NoError(t, tt.Gather(&acc))
	time.Sleep(time.Millisecond * 50)

	assert.Len(t, acc.Metrics, 0)
}
Esempio n. 28
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func TestWriteHTTP(t *testing.T) {
	listener := newTestHttpListener()
	parser, _ := parsers.NewInfluxParser()
	listener.SetParser(parser)

	acc := &testutil.Accumulator{}
	require.NoError(t, listener.Start(acc))
	defer listener.Stop()

	time.Sleep(time.Millisecond * 25)

	// post single message to listener
	resp, err := http.Post("http://localhost:8186/write?db=mydb", "", bytes.NewBuffer([]byte(testMsg)))
	require.NoError(t, err)
	require.EqualValues(t, 204, resp.StatusCode)

	time.Sleep(time.Millisecond * 15)
	acc.AssertContainsTaggedFields(t, "cpu_load_short",
		map[string]interface{}{"value": float64(12)},
		map[string]string{"host": "server01"},
	)

	// post multiple message to listener
	resp, err = http.Post("http://localhost:8186/write?db=mydb", "", bytes.NewBuffer([]byte(testMsgs)))
	require.NoError(t, err)
	require.EqualValues(t, 204, resp.StatusCode)

	time.Sleep(time.Millisecond * 15)
	hostTags := []string{"server02", "server03",
		"server04", "server05", "server06"}
	for _, hostTag := range hostTags {
		acc.AssertContainsTaggedFields(t, "cpu_load_short",
			map[string]interface{}{"value": float64(12)},
			map[string]string{"host": hostTag},
		)
	}
}
Esempio n. 29
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func TestHighTrafficTCP(t *testing.T) {
	listener := TcpListener{
		ServiceAddress:         ":8199",
		AllowedPendingMessages: 100000,
		MaxTCPConnections:      250,
	}
	listener.parser, _ = parsers.NewInfluxParser()
	acc := &testutil.Accumulator{}

	// send multiple messages to socket
	err := listener.Start(acc)
	require.NoError(t, err)

	time.Sleep(time.Millisecond * 25)
	conn, err := net.Dial("tcp", "127.0.0.1:8199")
	require.NoError(t, err)
	for i := 0; i < 100000; i++ {
		fmt.Fprintf(conn, testMsg)
	}
	time.Sleep(time.Millisecond)
	listener.Stop()

	assert.Equal(t, 100000, len(acc.Metrics))
}
func TestReadsMetricsFromKafka(t *testing.T) {
	if testing.Short() {
		t.Skip("Skipping integration test in short mode")
	}

	brokerPeers := []string{testutil.GetLocalHost() + ":9092"}
	zkPeers := []string{testutil.GetLocalHost() + ":2181"}
	testTopic := fmt.Sprintf("telegraf_test_topic_%d", time.Now().Unix())

	// Send a Kafka message to the kafka host
	msg := "cpu_load_short,direction=in,host=server01,region=us-west value=23422.0 1422568543702900257"
	producer, err := sarama.NewSyncProducer(brokerPeers, nil)
	require.NoError(t, err)
	_, _, err = producer.SendMessage(
		&sarama.ProducerMessage{
			Topic: testTopic,
			Value: sarama.StringEncoder(msg),
		})
	require.NoError(t, err)
	defer producer.Close()

	// Start the Kafka Consumer
	k := &Kafka{
		ConsumerGroup:  "telegraf_test_consumers",
		Topics:         []string{testTopic},
		ZookeeperPeers: zkPeers,
		PointBuffer:    100000,
		Offset:         "oldest",
	}
	p, _ := parsers.NewInfluxParser()
	k.SetParser(p)
	if err := k.Start(); err != nil {
		t.Fatal(err.Error())
	} else {
		defer k.Stop()
	}

	waitForPoint(k, t)

	// Verify that we can now gather the sent message
	var acc testutil.Accumulator
	// Sanity check
	assert.Equal(t, 0, len(acc.Metrics), "There should not be any points")

	// Gather points
	err = k.Gather(&acc)
	require.NoError(t, err)
	if len(acc.Metrics) == 1 {
		point := acc.Metrics[0]
		assert.Equal(t, "cpu_load_short", point.Measurement)
		assert.Equal(t, map[string]interface{}{"value": 23422.0}, point.Fields)
		assert.Equal(t, map[string]string{
			"host":      "server01",
			"direction": "in",
			"region":    "us-west",
		}, point.Tags)
		assert.Equal(t, time.Unix(0, 1422568543702900257).Unix(), point.Time.Unix())
	} else {
		t.Errorf("No points found in accumulator, expected 1")
	}
}