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performance_image_test_helper.go
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performance_image_test_helper.go
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/*
Copyright 2019 The Knative Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package helpers
import (
"fmt"
"regexp"
"strconv"
"testing"
"knative.dev/eventing/test/lib"
"knative.dev/eventing/test/lib/duck"
"knative.dev/eventing/test/lib/resources"
corev1 "k8s.io/api/core/v1"
rbacv1 "k8s.io/api/rbac/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
pkgtest "knative.dev/pkg/test"
)
func SetupPerformanceImageRBAC(client *lib.Client) {
client.CreateServiceAccountOrFail(resources.PerfServiceAccount)
client.CreateClusterRoleOrFail(&rbacv1.ClusterRole{
ObjectMeta: metav1.ObjectMeta{
Name: "perf-eventing-list-pods",
},
Rules: []rbacv1.PolicyRule{{
APIGroups: []string{""},
Verbs: []string{"get", "watch", "list"},
Resources: []string{"nodes", "pods"},
}},
})
client.CreateClusterRoleBindingOrFail(resources.PerfServiceAccount, "perf-eventing-list-pods", "perf-eventing-list-pods")
}
var sentEventsRegex = regexp.MustCompile("Sent count: ([0-9.,]+)")
var acceptedEventsRegex = regexp.MustCompile("Accepted count: ([0-9.,]+)")
var receivedEventsRegex = regexp.MustCompile("Received count: ([0-9.,]+)")
var publishFailuresEventsRegex = regexp.MustCompile("Publish failure count: ([0-9.,]+)")
var deliveryFailuresEventsRegex = regexp.MustCompile("Delivery failure count: ([0-9.,]+)")
type PerformanceImageResults struct {
SentEvents uint64
AcceptedEvents uint64
ReceivedEvents uint64
PublishFailuresEvents uint64
DeliveryFailuresEvents uint64
}
func getLogCount(log string, regex *regexp.Regexp) (uint64, error) {
countUnparsed := regex.FindAllStringSubmatch(log, 1)
if len(countUnparsed) == 0 {
return 0, fmt.Errorf("no match for regex %s in log %s", regex.String(), log)
}
count, err := strconv.ParseUint(countUnparsed[0][1], 10, 64)
if err != nil {
return 0, err
}
return count, nil
}
func parseLog(log string) (*PerformanceImageResults, error) {
sentEvents, err := getLogCount(log, sentEventsRegex)
if err != nil {
return nil, err
}
acceptedEvents, err := getLogCount(log, acceptedEventsRegex)
if err != nil {
return nil, err
}
receivedEvents, err := getLogCount(log, receivedEventsRegex)
if err != nil {
return nil, err
}
publishFailuresEvents, err := getLogCount(log, publishFailuresEventsRegex)
if err != nil {
return nil, err
}
deliveryFailuresEvents, err := getLogCount(log, deliveryFailuresEventsRegex)
if err != nil {
return nil, err
}
return &PerformanceImageResults{
sentEvents,
acceptedEvents,
receivedEvents,
publishFailuresEvents,
deliveryFailuresEvents,
}, nil
}
// This function setups RBAC, services and aggregator pod. It DOESN'T setup channel, broker nor sender and receiver pod(s). The setup of these resources MUST be done inside `setupEnv` function
func TestWithPerformanceImage(st *testing.T, expectedAggregatorRecords int, setupEnv func(t *testing.T, consumerHostname string, aggregatorHostname string, client *lib.Client), assertResults func(*testing.T, *PerformanceImageResults)) {
client := lib.Setup(st, true)
defer lib.TearDown(client)
// RBAC
SetupPerformanceImageRBAC(client)
// Services
aggregatorService := client.CreateServiceOrFail(resources.PerformanceAggregatorService())
consumerService := client.CreateServiceOrFail(resources.PerformanceConsumerService())
// Aggregator
client.CreatePodOrFail(resources.PerformanceImageAggregatorPod(expectedAggregatorRecords, false))
// Call user function to setup the test
setupEnv(st, duck.GetServiceHostname(consumerService), duck.GetServiceHostname(aggregatorService), client)
// Wait for everything ready in test namespace
client.WaitForAllTestResourcesReadyOrFail()
// Wait for aggregator pod to finish
err := pkgtest.WaitForPodState(client.Kube, func(pod *corev1.Pod) (b bool, e error) {
if pod.Status.Phase == corev1.PodFailed {
return true, fmt.Errorf("aggregator pod failed with message %s", pod.Status.Message)
} else if pod.Status.Phase != corev1.PodSucceeded {
return false, nil
}
return true, nil
}, "perf-aggregator", client.Namespace)
if err != nil {
st.Fatal(err)
}
aggregatorLog, err := client.GetLog("perf-aggregator")
if err != nil {
st.Fatal(err)
}
results, err := parseLog(aggregatorLog)
if err != nil {
st.Fatal(err)
}
assertResults(st, results)
}