github.com/IBM-Blockchain/fabric-operator@v1.0.4/integration/migration/migration_suite_test.go (about)

     1  /*
     2   * Copyright contributors to the Hyperledger Fabric Operator project
     3   *
     4   * SPDX-License-Identifier: Apache-2.0
     5   *
     6   * Licensed under the Apache License, Version 2.0 (the "License");
     7   * you may not use this file except in compliance with the License.
     8   * You may obtain a copy of the License at:
     9   *
    10   * 	  http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   * Unless required by applicable law or agreed to in writing, software
    13   * distributed under the License is distributed on an "AS IS" BASIS,
    14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15   * See the License for the specific language governing permissions and
    16   * limitations under the License.
    17   */
    18  
    19  package migration_test
    20  
    21  import (
    22  	"context"
    23  	"fmt"
    24  	"os"
    25  	"testing"
    26  
    27  	apis "github.com/IBM-Blockchain/fabric-operator/api"
    28  	"github.com/IBM-Blockchain/fabric-operator/pkg/global"
    29  	"github.com/IBM-Blockchain/fabric-operator/pkg/k8s/controllerclient"
    30  	. "github.com/onsi/ginkgo/v2"
    31  	. "github.com/onsi/gomega"
    32  	corev1 "k8s.io/api/core/v1"
    33  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    34  	"k8s.io/apimachinery/pkg/runtime"
    35  	"k8s.io/apimachinery/pkg/watch"
    36  	"k8s.io/client-go/kubernetes"
    37  	"sigs.k8s.io/controller-runtime/pkg/client/config"
    38  	"sigs.k8s.io/controller-runtime/pkg/manager"
    39  )
    40  
    41  func TestMigration(t *testing.T) {
    42  	RegisterFailHandler(Fail)
    43  	RunSpecs(t, "Migration Suite")
    44  }
    45  
    46  var (
    47  	kclient   *kubernetes.Clientset
    48  	client    controllerclient.Client
    49  	scheme    *runtime.Scheme
    50  	namespace string
    51  	mgr       manager.Manager
    52  	killchan  context.Context
    53  )
    54  
    55  var _ = BeforeSuite(func() {
    56  	var err error
    57  	cfg, err := config.GetConfig()
    58  	Expect(err).NotTo(HaveOccurred())
    59  
    60  	namespace = os.Getenv("OPERATOR_NAMESPACE")
    61  	if namespace == "" {
    62  		namespace = "operator-test"
    63  	}
    64  	namespace = fmt.Sprintf("%s-migration", namespace)
    65  
    66  	mgr, err = manager.New(cfg, manager.Options{
    67  		Namespace:          namespace,
    68  		MetricsBindAddress: "0",
    69  	})
    70  	Expect(err).NotTo(HaveOccurred())
    71  
    72  	err = apis.AddToScheme(mgr.GetScheme())
    73  	Expect(err).NotTo(HaveOccurred())
    74  
    75  	killchan = context.TODO()
    76  	go mgr.Start(killchan)
    77  
    78  	client = controllerclient.New(mgr.GetClient(), &global.ConfigSetter{})
    79  	scheme = mgr.GetScheme()
    80  
    81  	kclient, err = kubernetes.NewForConfig(cfg)
    82  	Expect(err).NotTo(HaveOccurred())
    83  
    84  	cleanup()
    85  
    86  	ns := &corev1.Namespace{}
    87  	ns.Name = namespace
    88  	err = client.Create(context.TODO(), ns)
    89  	Expect(err).NotTo(HaveOccurred())
    90  })
    91  
    92  var _ = AfterSuite(func() {
    93  	err := cleanup()
    94  	Expect(err).NotTo(HaveOccurred())
    95  
    96  	killchan.Done()
    97  })
    98  
    99  func cleanup() error {
   100  	ns := &corev1.Namespace{}
   101  	ns.Name = namespace
   102  
   103  	err := client.Delete(context.TODO(), ns)
   104  	if err != nil {
   105  		return err
   106  	}
   107  
   108  	opts := metav1.ListOptions{}
   109  	watchNamespace, err := kclient.CoreV1().Namespaces().Watch(context.TODO(), opts)
   110  	if err != nil {
   111  		return err
   112  	}
   113  
   114  	for {
   115  		resultChan := <-watchNamespace.ResultChan()
   116  		if resultChan.Type == watch.Deleted {
   117  			ns := resultChan.Object.(*corev1.Namespace)
   118  			if ns.Name == namespace {
   119  				break
   120  			}
   121  		}
   122  	}
   123  
   124  	return nil
   125  }