traefik/pkg/metrics/statsd_test.go
2020-12-18 18:44:03 +01:00

97 lines
4.7 KiB
Go

package metrics
import (
"context"
"net/http"
"strconv"
"testing"
"time"
"github.com/stvp/go-udp-testing"
ptypes "github.com/traefik/paerser/types"
"github.com/traefik/traefik/v2/pkg/types"
)
func TestStatsD(t *testing.T) {
udp.SetAddr(":18125")
// This is needed to make sure that UDP Listener listens for data a bit longer, otherwise it will quit after a millisecond
udp.Timeout = 5 * time.Second
statsdRegistry := RegisterStatsd(context.Background(), &types.Statsd{Address: ":18125", PushInterval: ptypes.Duration(time.Second), AddEntryPointsLabels: true, AddServicesLabels: true})
defer StopStatsd()
if !statsdRegistry.IsEpEnabled() || !statsdRegistry.IsSvcEnabled() {
t.Errorf("Statsd registry should return true for IsEnabled()")
}
expected := []string{
// We are only validating counts, as it is nearly impossible to validate latency, since it varies every run
"traefik.service.request.total:2.000000|c\n",
"traefik.service.retries.total:2.000000|c\n",
"traefik.service.request.duration:10000.000000|ms",
"traefik.config.reload.total:1.000000|c\n",
"traefik.config.reload.total:1.000000|c\n",
"traefik.entrypoint.request.total:1.000000|c\n",
"traefik.entrypoint.request.duration:10000.000000|ms",
"traefik.entrypoint.connections.open:1.000000|g\n",
"traefik.service.server.up:1.000000|g\n",
"tls.certs.notAfterTimestamp:1.000000|g\n",
}
udp.ShouldReceiveAll(t, expected, func() {
statsdRegistry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
statsdRegistry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
statsdRegistry.ServiceRetriesCounter().With("service", "test").Add(1)
statsdRegistry.ServiceRetriesCounter().With("service", "test").Add(1)
statsdRegistry.ServiceReqDurationHistogram().With("service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
statsdRegistry.ConfigReloadsCounter().Add(1)
statsdRegistry.ConfigReloadsFailureCounter().Add(1)
statsdRegistry.EntryPointReqsCounter().With("entrypoint", "test").Add(1)
statsdRegistry.EntryPointReqDurationHistogram().With("entrypoint", "test").Observe(10000)
statsdRegistry.EntryPointOpenConnsGauge().With("entrypoint", "test").Set(1)
statsdRegistry.ServiceServerUpGauge().With("service:test", "url", "http://127.0.0.1").Set(1)
statsdRegistry.TLSCertsNotAfterTimestampGauge().With("key", "value").Set(1)
})
}
func TestStatsDWithPrefix(t *testing.T) {
udp.SetAddr(":18125")
// This is needed to make sure that UDP Listener listens for data a bit longer, otherwise it will quit after a millisecond
udp.Timeout = 5 * time.Second
statsdRegistry := RegisterStatsd(context.Background(), &types.Statsd{Address: ":18125", PushInterval: ptypes.Duration(time.Second), AddEntryPointsLabels: true, AddServicesLabels: true, Prefix: "testPrefix"})
defer StopStatsd()
if !statsdRegistry.IsEpEnabled() || !statsdRegistry.IsSvcEnabled() {
t.Errorf("Statsd registry should return true for IsEnabled()")
}
expected := []string{
// We are only validating counts, as it is nearly impossible to validate latency, since it varies every run
"testPrefix.service.request.total:2.000000|c\n",
"testPrefix.service.retries.total:2.000000|c\n",
"testPrefix.service.request.duration:10000.000000|ms",
"testPrefix.config.reload.total:1.000000|c\n",
"testPrefix.config.reload.total:1.000000|c\n",
"testPrefix.entrypoint.request.total:1.000000|c\n",
"testPrefix.entrypoint.request.duration:10000.000000|ms",
"testPrefix.entrypoint.connections.open:1.000000|g\n",
"testPrefix.service.server.up:1.000000|g\n",
"tls.certs.notAfterTimestamp:1.000000|g\n",
}
udp.ShouldReceiveAll(t, expected, func() {
statsdRegistry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
statsdRegistry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
statsdRegistry.ServiceRetriesCounter().With("service", "test").Add(1)
statsdRegistry.ServiceRetriesCounter().With("service", "test").Add(1)
statsdRegistry.ServiceReqDurationHistogram().With("service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
statsdRegistry.ConfigReloadsCounter().Add(1)
statsdRegistry.ConfigReloadsFailureCounter().Add(1)
statsdRegistry.EntryPointReqsCounter().With("entrypoint", "test").Add(1)
statsdRegistry.EntryPointReqDurationHistogram().With("entrypoint", "test").Observe(10000)
statsdRegistry.EntryPointOpenConnsGauge().With("entrypoint", "test").Set(1)
statsdRegistry.ServiceServerUpGauge().With("service:test", "url", "http://127.0.0.1").Set(1)
statsdRegistry.TLSCertsNotAfterTimestampGauge().With("key", "value").Set(1)
})
}