135 lines
6 KiB
Go
135 lines
6 KiB
Go
package metrics
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"regexp"
|
|
"strconv"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/containous/traefik/pkg/types"
|
|
"github.com/stvp/go-udp-testing"
|
|
)
|
|
|
|
func TestInfluxDB(t *testing.T) {
|
|
udp.SetAddr(":8089")
|
|
// 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
|
|
|
|
influxDBRegistry := RegisterInfluxDB(context.Background(), &types.InfluxDB{Address: ":8089", PushInterval: types.Duration(time.Second)})
|
|
defer StopInfluxDB()
|
|
|
|
if !influxDBRegistry.IsEnabled() {
|
|
t.Fatalf("InfluxDB registry must be enabled")
|
|
}
|
|
|
|
expectedBackend := []string{
|
|
`(traefik\.backend\.requests\.total,backend=test,code=200,method=GET count=1) [\d]{19}`,
|
|
`(traefik\.backend\.requests\.total,backend=test,code=404,method=GET count=1) [\d]{19}`,
|
|
`(traefik\.backend\.request\.duration,backend=test,code=200 p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
|
|
`(traefik\.backend\.retries\.total(?:,code=[\d]{3},method=GET)?,backend=test count=2) [\d]{19}`,
|
|
`(traefik\.config\.reload\.total(?:[a-z=0-9A-Z,]+)? count=1) [\d]{19}`,
|
|
`(traefik\.config\.reload\.total\.failure(?:[a-z=0-9A-Z,]+)? count=1) [\d]{19}`,
|
|
`(traefik\.backend\.server\.up,backend=test(?:[a-z=0-9A-Z,]+)?,url=http://127.0.0.1 value=1) [\d]{19}`,
|
|
}
|
|
|
|
msgBackend := udp.ReceiveString(t, func() {
|
|
influxDBRegistry.BackendReqsCounter().With("backend", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
|
|
influxDBRegistry.BackendReqsCounter().With("backend", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
|
|
influxDBRegistry.BackendRetriesCounter().With("backend", "test").Add(1)
|
|
influxDBRegistry.BackendRetriesCounter().With("backend", "test").Add(1)
|
|
influxDBRegistry.BackendReqDurationHistogram().With("backend", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
|
|
influxDBRegistry.ConfigReloadsCounter().Add(1)
|
|
influxDBRegistry.ConfigReloadsFailureCounter().Add(1)
|
|
influxDBRegistry.BackendServerUpGauge().With("backend", "test", "url", "http://127.0.0.1").Set(1)
|
|
})
|
|
|
|
assertMessage(t, msgBackend, expectedBackend)
|
|
|
|
expectedEntrypoint := []string{
|
|
`(traefik\.entrypoint\.requests\.total,entrypoint=test(?:[a-z=0-9A-Z,:/.]+)? count=1) [\d]{19}`,
|
|
`(traefik\.entrypoint\.request\.duration(?:,code=[\d]{3})?,entrypoint=test(?:[a-z=0-9A-Z,:/.]+)? p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
|
|
`(traefik\.entrypoint\.connections\.open,entrypoint=test value=1) [\d]{19}`,
|
|
}
|
|
|
|
msgEntrypoint := udp.ReceiveString(t, func() {
|
|
influxDBRegistry.EntrypointReqsCounter().With("entrypoint", "test").Add(1)
|
|
influxDBRegistry.EntrypointReqDurationHistogram().With("entrypoint", "test").Observe(10000)
|
|
influxDBRegistry.EntrypointOpenConnsGauge().With("entrypoint", "test").Set(1)
|
|
|
|
})
|
|
|
|
assertMessage(t, msgEntrypoint, expectedEntrypoint)
|
|
}
|
|
|
|
func TestInfluxDBHTTP(t *testing.T) {
|
|
c := make(chan *string)
|
|
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
body, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
http.Error(w, "can't read body "+err.Error(), http.StatusBadRequest)
|
|
return
|
|
}
|
|
bodyStr := string(body)
|
|
c <- &bodyStr
|
|
fmt.Fprintln(w, "ok")
|
|
}))
|
|
defer ts.Close()
|
|
|
|
influxDBRegistry := RegisterInfluxDB(context.Background(), &types.InfluxDB{Address: ts.URL, Protocol: "http", PushInterval: types.Duration(time.Second), Database: "test", RetentionPolicy: "autogen"})
|
|
defer StopInfluxDB()
|
|
|
|
if !influxDBRegistry.IsEnabled() {
|
|
t.Fatalf("InfluxDB registry must be enabled")
|
|
}
|
|
|
|
expectedBackend := []string{
|
|
`(traefik\.backend\.requests\.total,backend=test,code=200,method=GET count=1) [\d]{19}`,
|
|
`(traefik\.backend\.requests\.total,backend=test,code=404,method=GET count=1) [\d]{19}`,
|
|
`(traefik\.backend\.request\.duration,backend=test,code=200 p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
|
|
`(traefik\.backend\.retries\.total(?:,code=[\d]{3},method=GET)?,backend=test count=2) [\d]{19}`,
|
|
`(traefik\.config\.reload\.total(?:[a-z=0-9A-Z,]+)? count=1) [\d]{19}`,
|
|
`(traefik\.config\.reload\.total\.failure(?:[a-z=0-9A-Z,]+)? count=1) [\d]{19}`,
|
|
`(traefik\.backend\.server\.up,backend=test(?:[a-z=0-9A-Z,]+)?,url=http://127.0.0.1 value=1) [\d]{19}`,
|
|
}
|
|
|
|
influxDBRegistry.BackendReqsCounter().With("backend", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
|
|
influxDBRegistry.BackendReqsCounter().With("backend", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
|
|
influxDBRegistry.BackendRetriesCounter().With("backend", "test").Add(1)
|
|
influxDBRegistry.BackendRetriesCounter().With("backend", "test").Add(1)
|
|
influxDBRegistry.BackendReqDurationHistogram().With("backend", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
|
|
influxDBRegistry.ConfigReloadsCounter().Add(1)
|
|
influxDBRegistry.ConfigReloadsFailureCounter().Add(1)
|
|
influxDBRegistry.BackendServerUpGauge().With("backend", "test", "url", "http://127.0.0.1").Set(1)
|
|
msgBackend := <-c
|
|
|
|
assertMessage(t, *msgBackend, expectedBackend)
|
|
|
|
expectedEntrypoint := []string{
|
|
`(traefik\.entrypoint\.requests\.total,entrypoint=test(?:[a-z=0-9A-Z,:/.]+)? count=1) [\d]{19}`,
|
|
`(traefik\.entrypoint\.request\.duration(?:,code=[\d]{3})?,entrypoint=test(?:[a-z=0-9A-Z,:/.]+)? p50=10000,p90=10000,p95=10000,p99=10000) [\d]{19}`,
|
|
`(traefik\.entrypoint\.connections\.open,entrypoint=test value=1) [\d]{19}`,
|
|
}
|
|
|
|
influxDBRegistry.EntrypointReqsCounter().With("entrypoint", "test").Add(1)
|
|
influxDBRegistry.EntrypointReqDurationHistogram().With("entrypoint", "test").Observe(10000)
|
|
influxDBRegistry.EntrypointOpenConnsGauge().With("entrypoint", "test").Set(1)
|
|
msgEntrypoint := <-c
|
|
|
|
assertMessage(t, *msgEntrypoint, expectedEntrypoint)
|
|
}
|
|
|
|
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)
|
|
}
|
|
}
|
|
}
|