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integration test clientset share connection for custom transports

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This commit is contained in:
Antonio Ojea 2021-10-09 00:35:35 +02:00
parent 909a1738fd
commit 3ca2bb4443
1 changed files with 61 additions and 0 deletions
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61
test/integration/apiserver/apiserver_test.go
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@ -23,12 +23,14 @@ import (
"fmt"
"io"
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"path"
"reflect"
"strconv"
"strings"
"sync"
"testing"
"time"
@ -2205,6 +2207,65 @@ func expectPartialObjectMetaV1EventsProtobuf(t *testing.T, r io.Reader, values .
}
}
func TestClientsetShareTransport(t *testing.T) {
var counter int
var mu sync.Mutex
server := kubeapiservertesting.StartTestServerOrDie(t, nil, nil, framework.SharedEtcd())
defer server.TearDownFn()
dialFn := func(ctx context.Context, network, address string) (net.Conn, error) {
mu.Lock()
counter++
mu.Unlock()
return (&net.Dialer{}).DialContext(ctx, network, address)
}
server.ClientConfig.Dial = dialFn
client := clientset.NewForConfigOrDie(server.ClientConfig)
// create test namespace
_, err := client.CoreV1().Namespaces().Create(context.TODO(), &v1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: "test-creation",
},
}, metav1.CreateOptions{})
if err != nil {
t.Fatalf("failed to create test ns: %v", err)
}
// List different objects
result := client.CoreV1().RESTClient().Get().AbsPath("/healthz").Do(context.TODO())
_, err = result.Raw()
if err != nil {
t.Fatal(err)
}
_, _, err = client.Discovery().ServerGroupsAndResources()
if err != nil {
t.Fatal(err)
}
n, err := client.CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{})
if err != nil {
t.Fatal(err)
}
t.Logf("Listed %d namespaces on the cluster", len(n.Items))
p, err := client.CoreV1().Pods("").List(context.TODO(), metav1.ListOptions{})
if err != nil {
t.Fatal(err)
}
t.Logf("Listed %d pods on the cluster", len(p.Items))
e, err := client.DiscoveryV1().EndpointSlices("").List(context.TODO(), metav1.ListOptions{})
if err != nil {
t.Fatal(err)
}
t.Logf("Listed %d endpoint slices on the cluster", len(e.Items))
d, err := client.AppsV1().Deployments("").List(context.TODO(), metav1.ListOptions{})
if err != nil {
t.Fatal(err)
}
t.Logf("Listed %d deployments on the cluster", len(d.Items))
if counter != 1 {
t.Fatalf("expected only one connection, created %d connections", counter)
}
}
func TestDedupOwnerReferences(t *testing.T) {
server := kubeapiservertesting.StartTestServerOrDie(t, nil, nil, framework.SharedEtcd())
defer server.TearDownFn()