/
performance.go
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/
performance.go
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/*
Copyright 2018 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
https://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 performance
import (
"strings"
"testing"
"time"
pkgTest "knative.dev/pkg/test"
"knative.dev/pkg/test/logging"
"knative.dev/pkg/test/prometheus"
"knative.dev/serving/test"
// Mysteriously required to support GCP auth (required by k8s libs). Apparently just importing it is enough. @_@ side effects @_@. https://github.com/kubernetes/client-go/issues/242
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
)
const (
monitoringNS = "knative-monitoring"
// Property name used by testgrid.
perfLatency = "perf_latency"
duration = 1 * time.Minute
httpPrefix = "http://"
)
// Enable monitoring components
const (
EnablePrometheus = iota
)
// Client is the client used in the performance tests.
type Client struct {
E2EClients *test.Clients
PromClient *prometheus.PromProxy
}
// Setup creates all the clients that we need to interact with in our tests
func Setup(t *testing.T, monitoring ...int) (*Client, error) {
clients, err := test.NewClients(pkgTest.Flags.Kubeconfig, pkgTest.Flags.Cluster, test.ServingNamespace)
if err != nil {
return nil, err
}
var p *prometheus.PromProxy
for _, m := range monitoring {
switch m {
case EnablePrometheus:
t.Log("Creating prometheus proxy client")
p = &prometheus.PromProxy{Namespace: monitoringNS}
p.Setup(clients.KubeClient.Kube, t.Logf)
default:
t.Log("No monitoring components enabled")
}
}
return &Client{E2EClients: clients, PromClient: p}, nil
}
// TearDown cleans up resources used
func TearDown(client *Client, names test.ResourceNames, logf logging.FormatLogger) {
test.TearDown(client.E2EClients, names)
// Teardown prometheus client
if client.PromClient != nil {
client.PromClient.Teardown(logf)
}
}
// resolvedHeaders returns headers for the request.
func resolvedHeaders(domain string, resolvableDomain bool) map[string][]string {
headers := make(map[string][]string)
if !resolvableDomain {
headers["Host"] = []string{domain}
}
return headers
}
// sanitizedURL returns a URL that is guaranteed to have an httpPrefix.
func sanitizedURL(endpoint string) string {
if !strings.HasPrefix(endpoint, httpPrefix) {
return httpPrefix + endpoint
}
return endpoint
}