traefik/pkg/metrics/statsd_test.go
2021-10-06 17:34:07 +02:00

104 lines
4.8 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) {
t.Cleanup(func() {
StopStatsd()
})
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, AddRoutersLabels: true, AddServicesLabels: true})
testRegistry(t, defaultMetricsPrefix, statsdRegistry)
}
func TestStatsDWithPrefix(t *testing.T) {
t.Cleanup(func() {
StopStatsd()
})
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, AddRoutersLabels: true, AddServicesLabels: true, Prefix: "testPrefix"})
testRegistry(t, "testPrefix", statsdRegistry)
}
func testRegistry(t *testing.T, metricsPrefix string, registry Registry) {
t.Helper()
if !registry.IsEpEnabled() || !registry.IsRouterEnabled() || !registry.IsSvcEnabled() {
t.Errorf("Statsd registry should return true for IsEnabled(), IsRouterEnabled() and IsSvcEnabled()")
}
expected := []string{
metricsPrefix + ".config.reload.total:1.000000|c\n",
metricsPrefix + ".config.reload.total.failure:1.000000|c\n",
metricsPrefix + ".config.reload.lastSuccessTimestamp:1.000000|g\n",
metricsPrefix + ".config.reload.lastFailureTimestamp:1.000000|g\n",
metricsPrefix + ".tls.certs.notAfterTimestamp:1.000000|g\n",
metricsPrefix + ".entrypoint.request.total:1.000000|c\n",
metricsPrefix + ".entrypoint.request.tls.total:1.000000|c\n",
metricsPrefix + ".entrypoint.request.duration:10000.000000|ms",
metricsPrefix + ".entrypoint.connections.open:1.000000|g\n",
metricsPrefix + ".router.request.total:2.000000|c\n",
metricsPrefix + ".router.request.tls.total:1.000000|c\n",
metricsPrefix + ".router.request.duration:10000.000000|ms",
metricsPrefix + ".router.connections.open:1.000000|g\n",
metricsPrefix + ".service.request.total:2.000000|c\n",
metricsPrefix + ".service.request.tls.total:1.000000|c\n",
metricsPrefix + ".service.request.duration:10000.000000|ms",
metricsPrefix + ".service.connections.open:1.000000|g\n",
metricsPrefix + ".service.retries.total:2.000000|c\n",
metricsPrefix + ".service.server.up:1.000000|g\n",
}
udp.ShouldReceiveAll(t, expected, func() {
registry.ConfigReloadsCounter().Add(1)
registry.ConfigReloadsFailureCounter().Add(1)
registry.LastConfigReloadSuccessGauge().Set(1)
registry.LastConfigReloadFailureGauge().Set(1)
registry.TLSCertsNotAfterTimestampGauge().With("key", "value").Set(1)
registry.EntryPointReqsCounter().With("entrypoint", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
registry.EntryPointReqsTLSCounter().With("entrypoint", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1)
registry.EntryPointReqDurationHistogram().With("entrypoint", "test").Observe(10000)
registry.EntryPointOpenConnsGauge().With("entrypoint", "test").Set(1)
registry.RouterReqsCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
registry.RouterReqsCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
registry.RouterReqsTLSCounter().With("router", "demo", "service", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1)
registry.RouterReqDurationHistogram().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
registry.RouterOpenConnsGauge().With("router", "demo", "service", "test").Set(1)
registry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
registry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
registry.ServiceReqsTLSCounter().With("service", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1)
registry.ServiceReqDurationHistogram().With("service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
registry.ServiceOpenConnsGauge().With("service", "test").Set(1)
registry.ServiceRetriesCounter().With("service", "test").Add(1)
registry.ServiceRetriesCounter().With("service", "test").Add(1)
registry.ServiceServerUpGauge().With("service:test", "url", "http://127.0.0.1").Set(1)
})
}