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webhook_suite_test.go
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webhook_suite_test.go
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/*
Copyright 2020 The Kubernetes 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 v1
import (
"context"
"crypto/tls"
"fmt"
"net"
"path/filepath"
"testing"
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
admissionv1beta1 "k8s.io/api/admission/v1beta1"
//+kubebuilder:scaffold:imports
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/rest"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/envtest"
"sigs.k8s.io/controller-runtime/pkg/envtest/printer"
logf "sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
)
// These tests use Ginkgo (BDD-style Go testing framework). Refer to
// http://onsi.github.io/ginkgo/ to learn more about Ginkgo.
var cfg *rest.Config
var k8sClient client.Client
var testEnv *envtest.Environment
var ctx context.Context
var cancel context.CancelFunc
func TestAPIs(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecsWithDefaultAndCustomReporters(t,
"Webhook Suite",
[]Reporter{printer.NewlineReporter{}})
}
var _ = BeforeSuite(func() {
logf.SetLogger(zap.New(zap.WriteTo(GinkgoWriter), zap.UseDevMode(true)))
ctx, cancel = context.WithCancel(context.TODO())
By("bootstrapping test environment")
testEnv = &envtest.Environment{
CRDDirectoryPaths: []string{filepath.Join("..", "..", "config", "crd", "bases")},
WebhookInstallOptions: envtest.WebhookInstallOptions{
Paths: []string{filepath.Join("..", "..", "config", "webhook")},
},
}
cfg, err := testEnv.Start()
Expect(err).NotTo(HaveOccurred())
Expect(cfg).NotTo(BeNil())
scheme := runtime.NewScheme()
err = AddToScheme(scheme)
Expect(err).NotTo(HaveOccurred())
err = admissionv1beta1.AddToScheme(scheme)
Expect(err).NotTo(HaveOccurred())
err = admissionv1beta1.AddToScheme(scheme)
Expect(err).NotTo(HaveOccurred())
err = admissionv1beta1.AddToScheme(scheme)
Expect(err).NotTo(HaveOccurred())
//+kubebuilder:scaffold:scheme
k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
Expect(err).NotTo(HaveOccurred())
Expect(k8sClient).NotTo(BeNil())
// start webhook server using Manager
webhookInstallOptions := &testEnv.WebhookInstallOptions
mgr, err := ctrl.NewManager(cfg, ctrl.Options{
Scheme: scheme,
Host: webhookInstallOptions.LocalServingHost,
Port: webhookInstallOptions.LocalServingPort,
CertDir: webhookInstallOptions.LocalServingCertDir,
LeaderElection: false,
MetricsBindAddress: "0",
})
Expect(err).NotTo(HaveOccurred())
err = (&Captain{}).SetupWebhookWithManager(mgr)
Expect(err).NotTo(HaveOccurred())
err = (&Admiral{}).SetupWebhookWithManager(mgr)
Expect(err).NotTo(HaveOccurred())
err = (&Captain{}).SetupWebhookWithManager(mgr)
Expect(err).NotTo(HaveOccurred())
//+kubebuilder:scaffold:webhook
go func() {
err = mgr.Start(ctx)
if err != nil {
Expect(err).NotTo(HaveOccurred())
}
}()
// wait for the webhook server to get ready
dialer := &net.Dialer{Timeout: time.Second}
addrPort := fmt.Sprintf("%s:%d", webhookInstallOptions.LocalServingHost, webhookInstallOptions.LocalServingPort)
Eventually(func() error {
conn, err := tls.DialWithDialer(dialer, "tcp", addrPort, &tls.Config{InsecureSkipVerify: true})
if err != nil {
return err
}
conn.Close()
return nil
}).Should(Succeed())
}, 60)
var _ = AfterSuite(func() {
cancel()
By("tearing down the test environment")
err := testEnv.Stop()
Expect(err).NotTo(HaveOccurred())
})