135 lines
6.2 KiB
Go
135 lines
6.2 KiB
Go
package metrics
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import (
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"context"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"regexp"
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"strconv"
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"testing"
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"time"
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"github.com/stvp/go-udp-testing"
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ptypes "github.com/traefik/paerser/types"
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"github.com/traefik/traefik/v2/pkg/types"
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)
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func TestInfluxDB(t *testing.T) {
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udp.SetAddr(":8089")
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// This is needed to make sure that UDP Listener listens for data a bit longer, otherwise it will quit after a millisecond
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udp.Timeout = 5 * time.Second
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influxDBRegistry := RegisterInfluxDB(context.Background(), &types.InfluxDB{Address: ":8089", PushInterval: ptypes.Duration(time.Second), AddEntryPointsLabels: true, AddServicesLabels: true})
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defer StopInfluxDB()
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if !influxDBRegistry.IsEpEnabled() || !influxDBRegistry.IsSvcEnabled() {
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t.Fatalf("InfluxDB registry must be epEnabled")
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}
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expectedService := []string{
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`(traefik\.service\.requests\.total,code=200,method=GET,service=test count=1) [\d]{19}`,
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`(traefik\.service\.requests\.total,code=404,method=GET,service=test count=1) [\d]{19}`,
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`(traefik\.service\.request\.duration,code=200,service=test p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
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`(traefik\.service\.retries\.total(?:,code=[\d]{3},method=GET)?,service=test count=2) [\d]{19}`,
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`(traefik\.config\.reload\.total(?:[a-z=0-9A-Z,]+)? count=1) [\d]{19}`,
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`(traefik\.config\.reload\.total\.failure(?:[a-z=0-9A-Z,]+)? count=1) [\d]{19}`,
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`(traefik\.service\.server\.up,service=test(?:[a-z=0-9A-Z,]+)?,url=http://127.0.0.1 value=1) [\d]{19}`,
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}
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msgService := udp.ReceiveString(t, func() {
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influxDBRegistry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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influxDBRegistry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
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influxDBRegistry.ServiceRetriesCounter().With("service", "test").Add(1)
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influxDBRegistry.ServiceRetriesCounter().With("service", "test").Add(1)
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influxDBRegistry.ServiceReqDurationHistogram().With("service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
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influxDBRegistry.ConfigReloadsCounter().Add(1)
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influxDBRegistry.ConfigReloadsFailureCounter().Add(1)
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influxDBRegistry.ServiceServerUpGauge().With("service", "test", "url", "http://127.0.0.1").Set(1)
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})
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assertMessage(t, msgService, expectedService)
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expectedEntrypoint := []string{
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`(traefik\.entrypoint\.requests\.total,entrypoint=test(?:[a-z=0-9A-Z,:/.]+)? count=1) [\d]{19}`,
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`(traefik\.entrypoint\.request\.duration(?:,code=[\d]{3})?,entrypoint=test(?:[a-z=0-9A-Z,:/.]+)? p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
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`(traefik\.entrypoint\.connections\.open,entrypoint=test value=1) [\d]{19}`,
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}
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msgEntrypoint := udp.ReceiveString(t, func() {
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influxDBRegistry.EntryPointReqsCounter().With("entrypoint", "test").Add(1)
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influxDBRegistry.EntryPointReqDurationHistogram().With("entrypoint", "test").Observe(10000)
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influxDBRegistry.EntryPointOpenConnsGauge().With("entrypoint", "test").Set(1)
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})
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assertMessage(t, msgEntrypoint, expectedEntrypoint)
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}
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func TestInfluxDBHTTP(t *testing.T) {
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c := make(chan *string)
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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body, err := ioutil.ReadAll(r.Body)
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if err != nil {
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http.Error(w, "can't read body "+err.Error(), http.StatusBadRequest)
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return
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}
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bodyStr := string(body)
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c <- &bodyStr
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_, _ = fmt.Fprintln(w, "ok")
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}))
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defer ts.Close()
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influxDBRegistry := RegisterInfluxDB(context.Background(), &types.InfluxDB{Address: ts.URL, Protocol: "http", PushInterval: ptypes.Duration(time.Second), Database: "test", RetentionPolicy: "autogen", AddEntryPointsLabels: true, AddServicesLabels: true})
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defer StopInfluxDB()
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if !influxDBRegistry.IsEpEnabled() || !influxDBRegistry.IsSvcEnabled() {
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t.Fatalf("InfluxDB registry must be epEnabled")
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}
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expectedService := []string{
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`(traefik\.service\.requests\.total,code=200,method=GET,service=test count=1) [\d]{19}`,
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`(traefik\.service\.requests\.total,code=404,method=GET,service=test count=1) [\d]{19}`,
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`(traefik\.service\.request\.duration,code=200,service=test p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
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`(traefik\.service\.retries\.total(?:,code=[\d]{3},method=GET)?,service=test count=2) [\d]{19}`,
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`(traefik\.config\.reload\.total(?:[a-z=0-9A-Z,]+)? count=1) [\d]{19}`,
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`(traefik\.config\.reload\.total\.failure(?:[a-z=0-9A-Z,]+)? count=1) [\d]{19}`,
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`(traefik\.service\.server\.up,service=test(?:[a-z=0-9A-Z,]+)?,url=http://127.0.0.1 value=1) [\d]{19}`,
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}
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influxDBRegistry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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influxDBRegistry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
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influxDBRegistry.ServiceRetriesCounter().With("service", "test").Add(1)
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influxDBRegistry.ServiceRetriesCounter().With("service", "test").Add(1)
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influxDBRegistry.ServiceReqDurationHistogram().With("service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
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influxDBRegistry.ConfigReloadsCounter().Add(1)
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influxDBRegistry.ConfigReloadsFailureCounter().Add(1)
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influxDBRegistry.ServiceServerUpGauge().With("service", "test", "url", "http://127.0.0.1").Set(1)
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msgService := <-c
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assertMessage(t, *msgService, expectedService)
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expectedEntrypoint := []string{
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`(traefik\.entrypoint\.requests\.total,entrypoint=test(?:[a-z=0-9A-Z,:/.]+)? count=1) [\d]{19}`,
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`(traefik\.entrypoint\.request\.duration(?:,code=[\d]{3})?,entrypoint=test(?:[a-z=0-9A-Z,:/.]+)? p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
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`(traefik\.entrypoint\.connections\.open,entrypoint=test value=1) [\d]{19}`,
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}
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influxDBRegistry.EntryPointReqsCounter().With("entrypoint", "test").Add(1)
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influxDBRegistry.EntryPointReqDurationHistogram().With("entrypoint", "test").Observe(10000)
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influxDBRegistry.EntryPointOpenConnsGauge().With("entrypoint", "test").Set(1)
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msgEntrypoint := <-c
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assertMessage(t, *msgEntrypoint, expectedEntrypoint)
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}
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func assertMessage(t *testing.T, msg string, patterns []string) {
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t.Helper()
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for _, pattern := range patterns {
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re := regexp.MustCompile(pattern)
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match := re.FindStringSubmatch(msg)
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if len(match) != 2 {
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t.Errorf("Got %q %v, want %q", msg, match, pattern)
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}
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}
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}
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