traefik/pkg/metrics/datadog_test.go
2024-01-29 17:08:05 +01:00

145 lines
7.2 KiB
Go

package metrics
import (
"context"
"net/http"
"strconv"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stvp/go-udp-testing"
ptypes "github.com/traefik/paerser/types"
"github.com/traefik/traefik/v3/pkg/types"
)
func TestDatadog(t *testing.T) {
t.Cleanup(StopDatadog)
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
datadogRegistry := RegisterDatadog(context.Background(), &types.Datadog{Address: ":18125", PushInterval: ptypes.Duration(time.Second), AddEntryPointsLabels: true, AddRoutersLabels: true, AddServicesLabels: true})
if !datadogRegistry.IsEpEnabled() || !datadogRegistry.IsRouterEnabled() || !datadogRegistry.IsSvcEnabled() {
t.Errorf("DatadogRegistry should return true for IsEnabled(), IsRouterEnabled() and IsSvcEnabled()")
}
testDatadogRegistry(t, defaultMetricsPrefix, datadogRegistry)
}
func TestDatadogWithPrefix(t *testing.T) {
t.Cleanup(StopDatadog)
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
datadogRegistry := RegisterDatadog(context.Background(), &types.Datadog{Prefix: "testPrefix", Address: ":18125", PushInterval: ptypes.Duration(time.Second), AddEntryPointsLabels: true, AddRoutersLabels: true, AddServicesLabels: true})
testDatadogRegistry(t, "testPrefix", datadogRegistry)
}
func TestDatadog_parseDatadogAddress(t *testing.T) {
tests := []struct {
desc string
address string
expNetwork string
expAddress string
}{
{
desc: "empty address",
expNetwork: "udp",
expAddress: "localhost:8125",
},
{
desc: "udp address",
address: "127.0.0.1:8080",
expNetwork: "udp",
expAddress: "127.0.0.1:8080",
},
{
desc: "unix address",
address: "unix:///path/to/datadog.socket",
expNetwork: "unix",
expAddress: "/path/to/datadog.socket",
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
gotNetwork, gotAddress := parseDatadogAddress(test.address)
assert.Equal(t, test.expNetwork, gotNetwork)
assert.Equal(t, test.expAddress, gotAddress)
})
}
}
func testDatadogRegistry(t *testing.T, metricsPrefix string, datadogRegistry Registry) {
t.Helper()
expected := []string{
metricsPrefix + ".config.reload.total:1.000000|c\n",
metricsPrefix + ".config.reload.lastSuccessTimestamp:1.000000|g\n",
metricsPrefix + ".open.connections:1.000000|g|#entrypoint:test,protocol:TCP\n",
metricsPrefix + ".tls.certs.notAfterTimestamp:1.000000|g|#key:value\n",
metricsPrefix + ".entrypoint.request.total:1.000000|c|#entrypoint:test\n",
metricsPrefix + ".entrypoint.request.tls.total:1.000000|c|#entrypoint:test,tls_version:foo,tls_cipher:bar\n",
metricsPrefix + ".entrypoint.request.duration:10000.000000|h|#entrypoint:test\n",
metricsPrefix + ".entrypoint.requests.bytes.total:1.000000|c|#entrypoint:test\n",
metricsPrefix + ".entrypoint.responses.bytes.total:1.000000|c|#entrypoint:test\n",
metricsPrefix + ".router.request.total:1.000000|c|#router:demo,service:test,code:404,method:GET\n",
metricsPrefix + ".router.request.total:1.000000|c|#router:demo,service:test,code:200,method:GET\n",
metricsPrefix + ".router.request.tls.total:1.000000|c|#router:demo,service:test,tls_version:foo,tls_cipher:bar\n",
metricsPrefix + ".router.request.duration:10000.000000|h|#router:demo,service:test,code:200\n",
metricsPrefix + ".router.requests.bytes.total:1.000000|c|#router:demo,service:test,code:200,method:GET\n",
metricsPrefix + ".router.responses.bytes.total:1.000000|c|#router:demo,service:test,code:200,method:GET\n",
metricsPrefix + ".service.request.total:1.000000|c|#service:test,code:404,method:GET\n",
metricsPrefix + ".service.request.total:1.000000|c|#service:test,code:200,method:GET\n",
metricsPrefix + ".service.request.tls.total:1.000000|c|#service:test,tls_version:foo,tls_cipher:bar\n",
metricsPrefix + ".service.request.duration:10000.000000|h|#service:test,code:200\n",
metricsPrefix + ".service.retries.total:2.000000|c|#service:test\n",
metricsPrefix + ".service.request.duration:10000.000000|h|#service:test,code:200\n",
metricsPrefix + ".service.server.up:1.000000|g|#service:test,url:http://127.0.0.1,one:two\n",
metricsPrefix + ".service.requests.bytes.total:1.000000|c|#service:test,code:200,method:GET\n",
metricsPrefix + ".service.responses.bytes.total:1.000000|c|#service:test,code:200,method:GET\n",
}
udp.ShouldReceiveAll(t, expected, func() {
datadogRegistry.ConfigReloadsCounter().Add(1)
datadogRegistry.LastConfigReloadSuccessGauge().Add(1)
datadogRegistry.OpenConnectionsGauge().With("entrypoint", "test", "protocol", "TCP").Add(1)
datadogRegistry.TLSCertsNotAfterTimestampGauge().With("key", "value").Set(1)
datadogRegistry.EntryPointReqsCounter().With(nil, "entrypoint", "test").Add(1)
datadogRegistry.EntryPointReqsTLSCounter().With("entrypoint", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1)
datadogRegistry.EntryPointReqDurationHistogram().With("entrypoint", "test").Observe(10000)
datadogRegistry.EntryPointReqsBytesCounter().With("entrypoint", "test").Add(1)
datadogRegistry.EntryPointRespsBytesCounter().With("entrypoint", "test").Add(1)
datadogRegistry.RouterReqsCounter().With(nil, "router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
datadogRegistry.RouterReqsCounter().With(nil, "router", "demo", "service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
datadogRegistry.RouterReqsTLSCounter().With("router", "demo", "service", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1)
datadogRegistry.RouterReqDurationHistogram().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
datadogRegistry.RouterReqsBytesCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
datadogRegistry.RouterRespsBytesCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
datadogRegistry.ServiceReqsCounter().With(nil, "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
datadogRegistry.ServiceReqsCounter().With(nil, "service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
datadogRegistry.ServiceReqsTLSCounter().With("service", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1)
datadogRegistry.ServiceReqDurationHistogram().With("service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
datadogRegistry.ServiceRetriesCounter().With("service", "test").Add(1)
datadogRegistry.ServiceRetriesCounter().With("service", "test").Add(1)
datadogRegistry.ServiceServerUpGauge().With("service", "test", "url", "http://127.0.0.1", "one", "two").Set(1)
datadogRegistry.ServiceReqsBytesCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
datadogRegistry.ServiceRespsBytesCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
})
}