75 lines
3.2 KiB
Go
75 lines
3.2 KiB
Go
package metrics
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import (
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"net/http"
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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/containous/traefik/types"
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"github.com/stvp/go-udp-testing"
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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(&types.InfluxDB{Address: ":8089", PushInterval: "1s"})
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defer StopInfluxDB()
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if !influxDBRegistry.IsEnabled() {
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t.Fatalf("InfluxDB registry must be enabled")
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}
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expectedBackend := []string{
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`(traefik\.backend\.requests\.total,code=200,method=GET,service=test count=1) [\d]{19}`,
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`(traefik\.backend\.requests\.total,code=404,method=GET,service=test count=1) [\d]{19}`,
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`(traefik\.backend\.request\.duration(?:,backend=test)?,code=200,method=GET,service=test(?:,url=http://127.0.0.1)? p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
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`(traefik\.backend\.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\.backend\.server\.up,backend=test(?:[a-z=0-9A-Z,]+)?,url=http://127.0.0.1 value=1) [\d]{19}`,
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}
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msgBackend := udp.ReceiveString(t, func() {
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influxDBRegistry.BackendReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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influxDBRegistry.BackendReqsCounter().With("service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
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influxDBRegistry.BackendRetriesCounter().With("service", "test").Add(1)
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influxDBRegistry.BackendRetriesCounter().With("service", "test").Add(1)
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influxDBRegistry.BackendReqDurationHistogram().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.BackendServerUpGauge().With("backend", "test", "url", "http://127.0.0.1").Set(1)
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})
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assertMessage(t, msgBackend, expectedBackend)
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expectedEntrypoint := []string{
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`(traefik\.entrypoint\.requests\.total(?:,backend=test,code=[\d]{3})?,entrypoint=test(?:[a-z=0-9A-Z,:/.]+)? count=1) [\d]{19}`,
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`(traefik\.entrypoint\.request\.duration(?:,backend=test,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(?:[a-z=0-9A-Z,]+)?,entrypoint=test,(?:[a-z=0-9A-Z,:.//]+)? 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 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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