traefik/pkg/metrics/influxdb2_test.go

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package metrics
import (
"context"
"fmt"
"io"
"net/http"
"net/http/httptest"
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"regexp"
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"strconv"
"testing"
"time"
"github.com/stretchr/testify/require"
ptypes "github.com/traefik/paerser/types"
"github.com/traefik/traefik/v2/pkg/types"
)
func TestInfluxDB2(t *testing.T) {
c := make(chan *string)
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
body, err := io.ReadAll(r.Body)
require.NoError(t, err)
bodyStr := string(body)
c <- &bodyStr
_, _ = fmt.Fprintln(w, "ok")
}))
defer ts.Close()
influxDB2Registry := RegisterInfluxDB2(context.Background(),
&types.InfluxDB2{
Address: ts.URL,
Token: "test-token",
PushInterval: ptypes.Duration(10 * time.Millisecond),
Org: "test-org",
Bucket: "test-bucket",
AddEntryPointsLabels: true,
AddRoutersLabels: true,
AddServicesLabels: true,
})
defer StopInfluxDB2()
if !influxDB2Registry.IsEpEnabled() || !influxDB2Registry.IsRouterEnabled() || !influxDB2Registry.IsSvcEnabled() {
t.Fatalf("InfluxDB2Registry should return true for IsEnabled(), IsRouterEnabled() and IsSvcEnabled()")
}
expectedServer := []string{
`(traefik\.config\.reload\.total count=1) [\d]{19}`,
`(traefik\.config\.reload\.total\.failure count=1) [\d]{19}`,
`(traefik\.config\.reload\.lastSuccessTimestamp value=1) [\d]{19}`,
`(traefik\.config\.reload\.lastFailureTimestamp value=1) [\d]{19}`,
}
influxDB2Registry.ConfigReloadsCounter().Add(1)
influxDB2Registry.ConfigReloadsFailureCounter().Add(1)
influxDB2Registry.LastConfigReloadSuccessGauge().Set(1)
influxDB2Registry.LastConfigReloadFailureGauge().Set(1)
msgServer := <-c
assertMessage(t, *msgServer, expectedServer)
expectedTLS := []string{
`(traefik\.tls\.certs\.notAfterTimestamp,key=value value=1) [\d]{19}`,
}
influxDB2Registry.TLSCertsNotAfterTimestampGauge().With("key", "value").Set(1)
msgTLS := <-c
assertMessage(t, *msgTLS, expectedTLS)
expectedEntrypoint := []string{
`(traefik\.entrypoint\.requests\.total,code=200,entrypoint=test,method=GET count=1) [\d]{19}`,
`(traefik\.entrypoint\.requests\.tls\.total,entrypoint=test,tls_cipher=bar,tls_version=foo count=1) [\d]{19}`,
`(traefik\.entrypoint\.request\.duration(?:,code=[\d]{3})?,entrypoint=test p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
`(traefik\.entrypoint\.connections\.open,entrypoint=test value=1) [\d]{19}`,
`(traefik\.entrypoint\.requests\.bytes\.total,code=200,entrypoint=test,method=GET count=1) [\d]{19}`,
`(traefik\.entrypoint\.responses\.bytes\.total,code=200,entrypoint=test,method=GET count=1) [\d]{19}`,
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}
influxDB2Registry.EntryPointReqsCounter().With("entrypoint", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
influxDB2Registry.EntryPointReqsTLSCounter().With("entrypoint", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1)
influxDB2Registry.EntryPointReqDurationHistogram().With("entrypoint", "test").Observe(10000)
influxDB2Registry.EntryPointOpenConnsGauge().With("entrypoint", "test").Set(1)
influxDB2Registry.EntryPointReqsBytesCounter().With("entrypoint", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
influxDB2Registry.EntryPointRespsBytesCounter().With("entrypoint", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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msgEntrypoint := <-c
assertMessage(t, *msgEntrypoint, expectedEntrypoint)
expectedRouter := []string{
`(traefik\.router\.requests\.total,code=200,method=GET,router=demo,service=test count=1) [\d]{19}`,
`(traefik\.router\.requests\.total,code=404,method=GET,router=demo,service=test count=1) [\d]{19}`,
`(traefik\.router\.requests\.tls\.total,router=demo,service=test,tls_cipher=bar,tls_version=foo count=1) [\d]{19}`,
`(traefik\.router\.request\.duration,code=200,router=demo,service=test p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
`(traefik\.router\.connections\.open,router=demo,service=test value=1) [\d]{19}`,
`(traefik\.router\.requests\.bytes\.total,code=200,method=GET,router=demo,service=test count=1) [\d]{19}`,
`(traefik\.router\.responses\.bytes\.total,code=200,method=GET,router=demo,service=test count=1) [\d]{19}`,
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}
influxDB2Registry.RouterReqsCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
influxDB2Registry.RouterReqsCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
influxDB2Registry.RouterReqsTLSCounter().With("router", "demo", "service", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1)
influxDB2Registry.RouterReqDurationHistogram().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
influxDB2Registry.RouterOpenConnsGauge().With("router", "demo", "service", "test").Set(1)
influxDB2Registry.RouterReqsBytesCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
influxDB2Registry.RouterRespsBytesCounter().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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msgRouter := <-c
assertMessage(t, *msgRouter, expectedRouter)
expectedService := []string{
`(traefik\.service\.requests\.total,code=200,method=GET,service=test count=1) [\d]{19}`,
`(traefik\.service\.requests\.total,code=404,method=GET,service=test count=1) [\d]{19}`,
`(traefik\.service\.requests\.tls\.total,service=test,tls_cipher=bar,tls_version=foo count=1) [\d]{19}`,
`(traefik\.service\.request\.duration,code=200,service=test p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
`(traefik\.service\.server\.up,service=test,url=http://127.0.0.1 value=1) [\d]{19}`,
`(traefik\.service\.requests\.bytes\.total,code=200,method=GET,service=test count=1) [\d]{19}`,
`(traefik\.service\.responses\.bytes\.total,code=200,method=GET,service=test count=1) [\d]{19}`,
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}
influxDB2Registry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
influxDB2Registry.ServiceReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
influxDB2Registry.ServiceReqsTLSCounter().With("service", "test", "tls_version", "foo", "tls_cipher", "bar").Add(1)
influxDB2Registry.ServiceReqDurationHistogram().With("service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
influxDB2Registry.ServiceServerUpGauge().With("service", "test", "url", "http://127.0.0.1").Set(1)
influxDB2Registry.ServiceReqsBytesCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
influxDB2Registry.ServiceRespsBytesCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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msgService := <-c
assertMessage(t, *msgService, expectedService)
expectedServiceRetries := []string{
`(traefik\.service\.retries\.total,service=test count=2) [\d]{19}`,
`(traefik\.service\.retries\.total,service=foobar count=1) [\d]{19}`,
}
influxDB2Registry.ServiceRetriesCounter().With("service", "test").Add(1)
influxDB2Registry.ServiceRetriesCounter().With("service", "test").Add(1)
influxDB2Registry.ServiceRetriesCounter().With("service", "foobar").Add(1)
msgServiceRetries := <-c
assertMessage(t, *msgServiceRetries, expectedServiceRetries)
expectedServiceOpenConns := []string{
`(traefik\.service\.connections\.open,service=test value=2) [\d]{19}`,
`(traefik\.service\.connections\.open,service=foobar value=1) [\d]{19}`,
}
influxDB2Registry.ServiceOpenConnsGauge().With("service", "test").Add(1)
influxDB2Registry.ServiceOpenConnsGauge().With("service", "test").Add(1)
influxDB2Registry.ServiceOpenConnsGauge().With("service", "foobar").Add(1)
msgServiceOpenConns := <-c
assertMessage(t, *msgServiceOpenConns, expectedServiceOpenConns)
}
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func assertMessage(t *testing.T, msg string, patterns []string) {
t.Helper()
for _, pattern := range patterns {
re := regexp.MustCompile(pattern)
match := re.FindStringSubmatch(msg)
if len(match) != 2 {
t.Errorf("Got %q %v, want %q", msg, match, pattern)
}
}
}