forked from bitly/statsdaemon
/
statsdaemon_test.go
467 lines (408 loc) · 14.6 KB
/
statsdaemon_test.go
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package statsdaemon
import (
"fmt"
"strings"
"sync"
"testing"
"time"
"github.com/benbjohnson/clock"
"github.com/bmizerany/assert"
"github.com/raintank/statsdaemon/common"
"github.com/raintank/statsdaemon/out"
"github.com/raintank/statsdaemon/udp"
)
var output = out.NullOutput()
var formatM1Legacy = out.Formatter{
PrefixInternal: "internal.",
Legacy_namespace: true,
Prefix_rates: "stats.",
Prefix_counters: "stats_counts.",
Prefix_timers: "stats.timers.",
Prefix_gauges: "stats.gauges.",
}
var formatM1Recommended = out.Formatter{
PrefixInternal: "internal.",
Legacy_namespace: false,
Prefix_rates: "stats.counters.",
Prefix_counters: "stats.counters.",
Prefix_timers: "stats.timers.",
Prefix_gauges: "stats.gauges.",
}
var formatM20 = out.Formatter{
Prefix_m20_counters: "counters-2.",
Prefix_m20_gauges: "gauges-2.",
Prefix_m20_rates: "rates-2.",
Prefix_m20_timers: "timers-2.",
}
var formatM20NE = out.Formatter{
Prefix_m20ne_counters: "counters-2NE.",
Prefix_m20ne_gauges: "gauges-2NE.",
Prefix_m20ne_rates: "rates-2NE.",
Prefix_m20ne_timers: "timers-2NE.",
}
func TestPacketParse(t *testing.T) {
d := []byte("gaugor:333|g")
packets := udp.ParseMessage(d, formatM1Legacy.PrefixInternal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet := packets[0]
assert.Equal(t, "gaugor", packet.Bucket)
assert.Equal(t, float64(333), packet.Value)
assert.Equal(t, "g", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
d = []byte("gorets:2|c|@0.1")
packets = udp.ParseMessage(d, formatM1Legacy.PrefixInternal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet = packets[0]
assert.Equal(t, "gorets", packet.Bucket)
assert.Equal(t, float64(2), packet.Value)
assert.Equal(t, "c", packet.Modifier)
assert.Equal(t, float32(0.1), packet.Sampling)
d = []byte("gorets:4|c")
packets = udp.ParseMessage(d, formatM1Legacy.PrefixInternal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet = packets[0]
assert.Equal(t, "gorets", packet.Bucket)
assert.Equal(t, float64(4), packet.Value)
assert.Equal(t, "c", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
d = []byte("gorets:-4|c")
packets = udp.ParseMessage(d, formatM1Legacy.PrefixInternal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet = packets[0]
assert.Equal(t, "gorets", packet.Bucket)
assert.Equal(t, float64(-4), packet.Value)
assert.Equal(t, "c", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
d = []byte("glork:320|ms")
packets = udp.ParseMessage(d, formatM1Legacy.PrefixInternal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet = packets[0]
assert.Equal(t, "glork", packet.Bucket)
assert.Equal(t, float64(320), packet.Value)
assert.Equal(t, "ms", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
d = []byte("a.key.with-0.dash:4|c")
packets = udp.ParseMessage(d, formatM1Legacy.PrefixInternal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet = packets[0]
assert.Equal(t, "a.key.with-0.dash", packet.Bucket)
assert.Equal(t, float64(4), packet.Value)
assert.Equal(t, "c", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
d = []byte("a.key.with-0.dash:4|c\ngauge:3|g")
packets = udp.ParseMessage(d, formatM1Legacy.PrefixInternal, output, udp.ParseLine)
assert.Equal(t, len(packets), 2)
packet = packets[0]
assert.Equal(t, "a.key.with-0.dash", packet.Bucket)
assert.Equal(t, float64(4), packet.Value)
assert.Equal(t, "c", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
packet = packets[1]
assert.Equal(t, "gauge", packet.Bucket)
assert.Equal(t, float64(3), packet.Value)
assert.Equal(t, "g", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
errors_key := "internal.mtype_is_count.type_is_invalid_line.unit_is_Err"
d = []byte("a.key.with-0.dash:4\ngauge3|g")
packets = udp.ParseMessage(d, formatM1Legacy.PrefixInternal, output, udp.ParseLine)
assert.Equal(t, len(packets), 2)
assert.Equal(t, packets[0].Bucket, errors_key)
assert.Equal(t, packets[1].Bucket, errors_key)
d = []byte("a.key.with-0.dash:4")
packets = udp.ParseMessage(d, formatM1Legacy.PrefixInternal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
assert.Equal(t, packets[0].Bucket, errors_key)
}
func processTimer(ti *out.Timers, input string, f out.Formatter) (string, int64) {
packets := udp.ParseMessage([]byte(input), "", output, udp.ParseLine)
for _, p := range packets {
ti.Add(p)
}
buf, num := ti.Process(nil, time.Now().Unix(), 10, f)
return string(buf), num
}
func processCounter(cnt *out.Counters, input string, f out.Formatter) (string, int64) {
packets := udp.ParseMessage([]byte(input), "", output, udp.ParseLine)
for _, p := range packets {
cnt.Add(p)
}
buf, num := cnt.Process(nil, 1, 10, f)
return string(buf), num
}
func TestTimerM1(t *testing.T) {
got, num := processTimer(out.NewTimers(out.Percentiles{}), "response_time:0|ms\nresponse_time:30|ms\nresponse_time:30|ms", formatM1Legacy)
assert.Equal(t, num, int64(1))
exp := "stats.timers.response_time.mean 20 "
if !strings.Contains(got, exp) {
t.Fatalf("output %q does not contain %q", got, exp)
}
exp = "stats.timers.response_time.sum 60 "
if !strings.Contains(got, exp) {
t.Fatalf("output %q does not contain %q", got, exp)
}
exp = "stats.timers.response_time.lower 0 "
if !strings.Contains(got, exp) {
t.Fatalf("output %q does not contain %q", got, exp)
}
exp = "stats.timers.response_time.upper 30 "
if !strings.Contains(got, exp) {
t.Fatalf("output %q does not contain %q", got, exp)
}
}
func TestTimerM20(t *testing.T) {
pct, _ := out.NewPercentiles("75")
got, num := processTimer(out.NewTimers(*pct), "direction=out.unit=ms.mtype=gauge:0|ms\ndirection=out.unit=ms.mtype=gauge:30|ms\ndirection=out.unit=ms.mtype=gauge:30|ms", formatM20)
assert.Equal(t, num, int64(1))
exps := []string{
"timers-2.direction=out.unit=ms.mtype=gauge.stat=mean 20 ",
"timers-2.direction=out.unit=ms.mtype=gauge.stat=sum 60 ",
"timers-2.direction=out.unit=ms.mtype=gauge.stat=min 0 ",
"timers-2.direction=out.unit=ms.mtype=gauge.stat=max 30 ",
"timers-2.direction=out.unit=ms.mtype=gauge.stat=max_75 30",
"timers-2.direction=out.unit=ms.mtype=gauge.stat=mean_75 15",
"timers-2.direction=out.unit=ms.mtype=gauge.stat=median 30",
"timers-2.direction=out.unit=ms.mtype=gauge.stat=std 14.142135623730951", // sqrt((20^2 + 10^2 + 10^2)/3)
"timers-2.direction=out.unit=ms.mtype=gauge.stat=sum 60",
"timers-2.direction=out.unit=Pckt.mtype=count.orig_unit=ms.pckt_type=sent.direction=in 3",
"timers-2.direction=out.unit=Pcktps.mtype=rate.orig_unit=ms.pckt_type=sent.direction=in 0.3",
}
for _, exp := range exps {
if !strings.Contains(got, exp) {
t.Fatalf("output %q does not contain %q", got, exp)
}
}
}
func TestTimerM20NE(t *testing.T) {
got, num := processTimer(out.NewTimers(out.Percentiles{}), "direction_is_out.unit_is_ms.mtype_is_gauge:0|ms\ndirection_is_out.unit_is_ms.mtype_is_gauge:30|ms\ndirection_is_out.unit_is_ms.mtype_is_gauge:30|ms", formatM20NE)
assert.Equal(t, num, int64(1))
exp := "timers-2NE.direction_is_out.unit_is_ms.mtype_is_gauge.stat_is_mean 20 "
if !strings.Contains(got, exp) {
t.Fatalf("output %q does not contain %q", got, exp)
}
exp = "timers-2NE.direction_is_out.unit_is_ms.mtype_is_gauge.stat_is_sum 60 "
if !strings.Contains(got, exp) {
t.Fatalf("output %q does not contain %q", got, exp)
}
exp = "timers-2NE.direction_is_out.unit_is_ms.mtype_is_gauge.stat_is_min 0 "
if !strings.Contains(got, exp) {
t.Fatalf("output %q does not contain %q", got, exp)
}
exp = "timers-2NE.direction_is_out.unit_is_ms.mtype_is_gauge.stat_is_max 30 "
if !strings.Contains(got, exp) {
t.Fatalf("output %q does not contain %q", got, exp)
}
}
func TestCountersM1Recommended(t *testing.T) {
cnt := out.NewCounters(true, true)
dataForGraphite, num := processCounter(cnt, "logins:1|c\nlogins:2|c\nlogins:3|c", formatM1Recommended)
assert.Equal(t, num, int64(1))
assert.Equal(t, "stats.counters.logins.count 6 1\nstats.counters.logins.rate 0.6 1\n", dataForGraphite)
}
func TestCountersM1Legacy(t *testing.T) {
cnt := out.NewCounters(true, true)
dataForGraphite, num := processCounter(cnt, "logins:1|c\nlogins:2|c\nlogins:3|c", formatM1Legacy)
assert.Equal(t, num, int64(1))
assert.Equal(t, "stats_counts.logins 6 1\nstats.logins 0.6 1\n", dataForGraphite)
}
func TestCountersM1LegacyFlushCountsFalse(t *testing.T) {
cnt := out.NewCounters(true, false)
dataForGraphite, num := processCounter(cnt, "logins:1|c\nlogins:2|c\nlogins:3|c", formatM1Legacy)
assert.Equal(t, num, int64(1))
assert.Equal(t, "stats.logins 0.6 1\n", dataForGraphite)
}
func TestUpperPercentile(t *testing.T) {
d := []byte("time:0|ms\ntime:1|ms\ntime:2|ms\ntime:3|ms")
packets := udp.ParseMessage(d, "", output, udp.ParseLine)
pct, _ := out.NewPercentiles("75")
ti := out.NewTimers(*pct)
for _, p := range packets {
ti.Add(p)
}
var buf []byte
buf, num := ti.Process(buf, time.Now().Unix(), 60, formatM1Legacy)
assert.Equal(t, num, int64(1))
exp := "stats.timers.time.upper_75 2 "
got := string(buf)
if !strings.Contains(got, exp) {
t.Fatalf("output %q does not contain %q", got, exp)
}
}
func TestMetrics20Count(t *testing.T) {
d := []byte("foo=bar.mtype=count.unit=B:5|c\nfoo=bar.mtype=count.unit=B:10|c")
packets := udp.ParseMessage(d, "", output, udp.ParseLine)
c := out.NewCounters(true, false)
for _, p := range packets {
c.Add(p)
}
var buf []byte
var num int64
buf, n := c.Process(buf, time.Now().Unix(), 10, formatM20)
num += n
assert.T(t, strings.Contains(string(buf), "foo=bar.mtype=rate.unit=Bps 1.5"))
}
func TestLowerPercentile(t *testing.T) {
d := []byte("time:0|ms\ntime:1|ms\ntime:2|ms\ntime:3|ms")
packets := udp.ParseMessage(d, "", output, udp.ParseLine)
pct, _ := out.NewPercentiles("-75")
ti := out.NewTimers(*pct)
for _, p := range packets {
ti.Add(p)
}
var buf []byte
var num int64
buf, n := ti.Process(buf, time.Now().Unix(), 10, formatM1Legacy)
num += n
assert.Equal(t, num, int64(1))
exp := "time.upper_75 1 "
got := string(buf)
if strings.Contains(got, exp) {
t.Fatalf("output %q contains %q", got, exp)
}
exp = "time.lower_75 1 "
if !strings.Contains(got, exp) {
t.Fatalf("output %q does not contain %q", got, exp)
}
}
func BenchmarkDifferentCountersAddAndProcessM1Recommended(b *testing.B) {
metrics := getDifferentCounters(b.N)
b.ResetTimer()
c := out.NewCounters(true, false)
for i := 0; i < len(metrics); i++ {
c.Add(&metrics[i])
}
c.Process(make([]byte, 0), time.Now().Unix(), 10, formatM1Recommended)
}
func BenchmarkDifferentCountersAddAndProcessM1Legacy(b *testing.B) {
metrics := getDifferentCounters(b.N)
b.ResetTimer()
c := out.NewCounters(true, true)
for i := 0; i < len(metrics); i++ {
c.Add(&metrics[i])
}
c.Process(make([]byte, 0), time.Now().Unix(), 10, formatM1Legacy)
}
func BenchmarkSameCountersAddAndProcessM1Recommended(b *testing.B) {
metrics := getSameCounters(b.N)
b.ResetTimer()
c := out.NewCounters(true, false)
for i := 0; i < len(metrics); i++ {
c.Add(&metrics[i])
}
c.Process(make([]byte, 0), time.Now().Unix(), 10, formatM1Recommended)
}
func BenchmarkSameCountersAddAndProcessM1Legacy(b *testing.B) {
metrics := getSameCounters(b.N)
b.ResetTimer()
c := out.NewCounters(true, true)
for i := 0; i < len(metrics); i++ {
c.Add(&metrics[i])
}
c.Process(make([]byte, 0), time.Now().Unix(), 10, formatM1Legacy)
}
func BenchmarkDifferentGaugesAddAndProcess(b *testing.B) {
metrics := getDifferentGauges(b.N)
b.ResetTimer()
g := out.NewGauges()
for i := 0; i < len(metrics); i++ {
g.Add(&metrics[i])
}
g.Process(make([]byte, 0), time.Now().Unix(), 10, formatM1Legacy)
}
func BenchmarkSameGaugesAddAndProcess(b *testing.B) {
metrics := getSameGauges(b.N)
b.ResetTimer()
g := out.NewGauges()
for i := 0; i < len(metrics); i++ {
g.Add(&metrics[i])
}
g.Process(make([]byte, 0), time.Now().Unix(), 10, formatM1Legacy)
}
func BenchmarkDifferentTimersAddAndProcess(b *testing.B) {
metrics := getDifferentTimers(b.N)
b.ResetTimer()
pct, _ := out.NewPercentiles("99")
t := out.NewTimers(*pct)
for i := 0; i < len(metrics); i++ {
t.Add(&metrics[i])
}
t.Process(make([]byte, 0), time.Now().Unix(), 10, formatM1Legacy)
}
func BenchmarkSameTimersAddAndProcess(b *testing.B) {
metrics := getSameTimers(b.N)
b.ResetTimer()
pct, _ := out.NewPercentiles("99")
t := out.NewTimers(*pct)
for i := 0; i < len(metrics); i++ {
t.Add(&metrics[i])
}
t.Process(make([]byte, 0), time.Now().Unix(), 10, formatM1Legacy)
}
func BenchmarkIncomingMetrics(b *testing.B) {
daemon := New("test", formatM1Legacy, false, false, out.Percentiles{}, 10, 1000, 1000, nil)
daemon.Clock = clock.NewMock()
total := float64(0)
totalLock := sync.Mutex{}
daemon.submitFunc = func(c *out.Counters, g *out.Gauges, t *out.Timers, deadline time.Time) {
totalLock.Lock()
total += c.Values["internal.direction_is_in.statsd_type_is_counter.mtype_is_count.unit_is_Metric"]
totalLock.Unlock()
}
go daemon.RunBare()
b.ResetTimer()
counters := make([]*common.Metric, 10)
for i := 0; i < 10; i++ {
counters[i] = &common.Metric{
Bucket: "test-counter",
Value: float64(1),
Modifier: "c",
Sampling: float32(1),
}
}
// each operation consists of 100x write (1k * 10 metrics + move clock by 1second)
// simulating a fake 10k metrics/s load, 1M metrics in total over 100+10s, so 11 flushes
for n := 0; n < b.N; n++ {
totalLock.Lock()
total = 0
totalLock.Unlock()
for j := 0; j < 100; j++ {
for i := 0; i < 1000; i++ {
daemon.Metrics <- counters
}
daemon.Clock.(*clock.Mock).Add(1 * time.Second)
}
daemon.Clock.(*clock.Mock).Add(10 * time.Second)
totalLock.Lock()
if total != float64(1000000) {
panic(fmt.Sprintf("didn't see 1M counters. only saw %f", total))
}
totalLock.Unlock()
}
}
func BenchmarkIncomingMetricAmounts(b *testing.B) {
daemon := New("test", formatM1Legacy, false, false, out.Percentiles{}, 10, 1000, 1000, nil)
daemon.Clock = clock.NewMock()
daemon.submitFunc = func(c *out.Counters, g *out.Gauges, t *out.Timers, deadline time.Time) {
}
go daemon.RunBare()
b.ResetTimer()
counters := make([]*common.Metric, 10)
for i := 0; i < 10; i++ {
counters[i] = &common.Metric{
Bucket: "test-counter",
Value: float64(1),
Modifier: "c",
Sampling: float32(1),
}
}
// each operation consists of 100x write (1k * 10 metrics + move clock by 1second)
// simulating a fake 10k metrics/s load, 1M metrics in total over 100+10s, so 11 flushes
for n := 0; n < b.N; n++ {
for j := 0; j < 100; j++ {
for i := 0; i < 1000; i++ {
daemon.metricAmounts <- counters
}
daemon.Clock.(*clock.Mock).Add(1 * time.Second)
}
daemon.Clock.(*clock.Mock).Add(10 * time.Second)
}
}