124 lines
3.5 KiB
Go
124 lines
3.5 KiB
Go
package instrumental
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import (
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"bufio"
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"net"
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"net/textproto"
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"sync"
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"testing"
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"time"
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"github.com/influxdata/telegraf/plugins"
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"github.com/influxdata/telegraf/metric"
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"github.com/stretchr/testify/assert"
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)
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func TestWrite(t *testing.T) {
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var wg sync.WaitGroup
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wg.Add(1)
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go TCPServer(t, &wg)
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// Give the fake TCP server some time to start:
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time.Sleep(time.Millisecond * 100)
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i := Instrumental{
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Host: "127.0.0.1",
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ApiToken: "abc123token",
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Prefix: "my.prefix",
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}
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// Default to gauge
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m1, _ := metric.New(
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"mymeasurement",
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map[string]string{"host": "192.168.0.1"},
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map[string]interface{}{"myfield": float64(3.14)},
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time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
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)
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m2, _ := metric.New(
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"mymeasurement",
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map[string]string{"host": "192.168.0.1", "metric_type": "set"},
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map[string]interface{}{"value": float64(3.14)},
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time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
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)
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metrics := []plugins.Metric{m1, m2}
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i.Write(metrics)
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// Counter and Histogram are increments
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m3, _ := metric.New(
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"my_histogram",
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map[string]string{"host": "192.168.0.1", "metric_type": "histogram"},
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map[string]interface{}{"value": float64(3.14)},
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time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
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)
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// We will modify metric names that won't be accepted by Instrumental
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m4, _ := metric.New(
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"bad_metric_name",
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map[string]string{"host": "192.168.0.1:8888::123", "metric_type": "counter"},
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map[string]interface{}{"value": 1},
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time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
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)
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// We will drop metric values that won't be accepted by Instrumental
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m5, _ := metric.New(
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"bad_values",
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map[string]string{"host": "192.168.0.1", "metric_type": "counter"},
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map[string]interface{}{"value": "\" 3:30\""},
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time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
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)
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m6, _ := metric.New(
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"my_counter",
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map[string]string{"host": "192.168.0.1", "metric_type": "counter"},
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map[string]interface{}{"value": float64(3.14)},
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time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
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)
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metrics = []plugins.Metric{m3, m4, m5, m6}
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i.Write(metrics)
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wg.Wait()
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}
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func TCPServer(t *testing.T, wg *sync.WaitGroup) {
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tcpServer, _ := net.Listen("tcp", "127.0.0.1:8000")
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defer wg.Done()
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conn, _ := tcpServer.Accept()
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conn.SetDeadline(time.Now().Add(1 * time.Second))
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reader := bufio.NewReader(conn)
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tp := textproto.NewReader(reader)
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hello, _ := tp.ReadLine()
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assert.Equal(t, "hello version go/telegraf/1.1", hello)
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auth, _ := tp.ReadLine()
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assert.Equal(t, "authenticate abc123token", auth)
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conn.Write([]byte("ok\nok\n"))
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data1, _ := tp.ReadLine()
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assert.Equal(t, "gauge my.prefix.192_168_0_1.mymeasurement.myfield 3.14 1289430000", data1)
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data2, _ := tp.ReadLine()
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assert.Equal(t, "gauge my.prefix.192_168_0_1.mymeasurement 3.14 1289430000", data2)
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conn, _ = tcpServer.Accept()
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conn.SetDeadline(time.Now().Add(1 * time.Second))
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reader = bufio.NewReader(conn)
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tp = textproto.NewReader(reader)
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hello, _ = tp.ReadLine()
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assert.Equal(t, "hello version go/telegraf/1.1", hello)
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auth, _ = tp.ReadLine()
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assert.Equal(t, "authenticate abc123token", auth)
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conn.Write([]byte("ok\nok\n"))
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data3, _ := tp.ReadLine()
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assert.Equal(t, "increment my.prefix.192_168_0_1.my_histogram 3.14 1289430000", data3)
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data4, _ := tp.ReadLine()
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assert.Equal(t, "increment my.prefix.192_168_0_1_8888_123.bad_metric_name 1 1289430000", data4)
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data5, _ := tp.ReadLine()
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assert.Equal(t, "increment my.prefix.192_168_0_1.my_counter 3.14 1289430000", data5)
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data6, _ := tp.ReadLine()
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assert.Equal(t, "", data6)
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conn.Close()
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}
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