migration_test.go

Documentation: kubevirt.io/client-go/kubecli

     1  /*
     2   * This file is part of the KubeVirt project
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   *
    16   * Copyright 2018 Red Hat, Inc.
    17   *
    18   */
    19  
    20  package kubecli
    21  
    22  import (
    23  	"context"
    24  	"net/http"
    25  	"path"
    26  
    27  	. "github.com/onsi/ginkgo/v2"
    28  	. "github.com/onsi/gomega"
    29  	"github.com/onsi/gomega/ghttp"
    30  	k8sv1 "k8s.io/api/core/v1"
    31  	"k8s.io/apimachinery/pkg/api/errors"
    32  	k8smetav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    33  	"k8s.io/apimachinery/pkg/runtime/schema"
    34  	"k8s.io/apimachinery/pkg/types"
    35  	v1 "kubevirt.io/api/core/v1"
    36  )
    37  
    38  var _ = Describe("Kubevirt Migration Client", func() {
    39  	var server *ghttp.Server
    40  	basePath := "/apis/kubevirt.io/v1/namespaces/default/virtualmachineinstancemigrations"
    41  	migrationPath := path.Join(basePath, "testmigration")
    42  	proxyPath := "/proxy/path"
    43  
    44  	BeforeEach(func() {
    45  		server = ghttp.NewServer()
    46  	})
    47  
    48  	DescribeTable("should fetch a MigrationMigration", func(proxyPath string) {
    49  		client, err := GetKubevirtClientFromFlags(server.URL()+proxyPath, "")
    50  		Expect(err).ToNot(HaveOccurred())
    51  
    52  		migration := NewMinimalMigration("testmigration")
    53  		server.AppendHandlers(ghttp.CombineHandlers(
    54  			ghttp.VerifyRequest("GET", path.Join(proxyPath, migrationPath)),
    55  			ghttp.RespondWithJSONEncoded(http.StatusOK, migration),
    56  		))
    57  		fetchedMigration, err := client.VirtualMachineInstanceMigration(k8sv1.NamespaceDefault).Get(context.Background(), "testmigration", k8smetav1.GetOptions{})
    58  
    59  		Expect(server.ReceivedRequests()).To(HaveLen(1))
    60  		Expect(err).ToNot(HaveOccurred())
    61  		Expect(fetchedMigration).To(Equal(migration))
    62  	},
    63  		Entry("with regular server URL", ""),
    64  		Entry("with proxied server URL", proxyPath),
    65  	)
    66  
    67  	DescribeTable("should detect non existent Migrations", func(proxyPath string) {
    68  		client, err := GetKubevirtClientFromFlags(server.URL()+proxyPath, "")
    69  		Expect(err).ToNot(HaveOccurred())
    70  
    71  		server.AppendHandlers(ghttp.CombineHandlers(
    72  			ghttp.VerifyRequest("GET", path.Join(proxyPath, migrationPath)),
    73  			ghttp.RespondWithJSONEncoded(http.StatusNotFound, errors.NewNotFound(schema.GroupResource{}, "testmigration")),
    74  		))
    75  		_, err = client.VirtualMachineInstanceMigration(k8sv1.NamespaceDefault).Get(context.Background(), "testmigration", k8smetav1.GetOptions{})
    76  
    77  		Expect(server.ReceivedRequests()).To(HaveLen(1))
    78  		Expect(err).To(HaveOccurred())
    79  		Expect(errors.IsNotFound(err)).To(BeTrue())
    80  	},
    81  		Entry("with regular server URL", ""),
    82  		Entry("with proxied server URL", proxyPath),
    83  	)
    84  
    85  	DescribeTable("should fetch a Migration list", func(proxyPath string) {
    86  		client, err := GetKubevirtClientFromFlags(server.URL()+proxyPath, "")
    87  		Expect(err).ToNot(HaveOccurred())
    88  
    89  		migration := NewMinimalMigration("testmigration")
    90  		server.AppendHandlers(ghttp.CombineHandlers(
    91  			ghttp.VerifyRequest("GET", path.Join(proxyPath, basePath)),
    92  			ghttp.RespondWithJSONEncoded(http.StatusOK, NewMigrationList(*migration)),
    93  		))
    94  		fetchedMigrationList, err := client.VirtualMachineInstanceMigration(k8sv1.NamespaceDefault).List(context.Background(), k8smetav1.ListOptions{})
    95  		apiVersion, kind := v1.VirtualMachineInstanceMigrationGroupVersionKind.ToAPIVersionAndKind()
    96  
    97  		Expect(server.ReceivedRequests()).To(HaveLen(1))
    98  		Expect(err).ToNot(HaveOccurred())
    99  		Expect(fetchedMigrationList.Items).To(HaveLen(1))
   100  		Expect(fetchedMigrationList.Items[0].APIVersion).To(Equal(apiVersion))
   101  		Expect(fetchedMigrationList.Items[0].Kind).To(Equal(kind))
   102  		Expect(fetchedMigrationList.Items[0]).To(Equal(*migration))
   103  	},
   104  		Entry("with regular server URL", ""),
   105  		Entry("with proxied server URL", proxyPath),
   106  	)
   107  
   108  	DescribeTable("should create a Migration", func(proxyPath string) {
   109  		client, err := GetKubevirtClientFromFlags(server.URL()+proxyPath, "")
   110  		Expect(err).ToNot(HaveOccurred())
   111  
   112  		migration := NewMinimalMigration("testmigration")
   113  		server.AppendHandlers(ghttp.CombineHandlers(
   114  			ghttp.VerifyRequest("POST", path.Join(proxyPath, basePath)),
   115  			ghttp.RespondWithJSONEncoded(http.StatusCreated, migration),
   116  		))
   117  		createdMigration, err := client.VirtualMachineInstanceMigration(k8sv1.NamespaceDefault).Create(context.Background(), migration, k8smetav1.CreateOptions{})
   118  
   119  		Expect(server.ReceivedRequests()).To(HaveLen(1))
   120  		Expect(err).ToNot(HaveOccurred())
   121  		Expect(createdMigration).To(Equal(migration))
   122  	},
   123  		Entry("with regular server URL", ""),
   124  		Entry("with proxied server URL", proxyPath),
   125  	)
   126  
   127  	DescribeTable("should update a Migration", func(proxyPath string) {
   128  		client, err := GetKubevirtClientFromFlags(server.URL()+proxyPath, "")
   129  		Expect(err).ToNot(HaveOccurred())
   130  
   131  		migration := NewMinimalMigration("testmigration")
   132  		server.AppendHandlers(ghttp.CombineHandlers(
   133  			ghttp.VerifyRequest("PUT", path.Join(proxyPath, migrationPath)),
   134  			ghttp.RespondWithJSONEncoded(http.StatusOK, migration),
   135  		))
   136  		updatedMigration, err := client.VirtualMachineInstanceMigration(k8sv1.NamespaceDefault).Update(context.Background(), migration, k8smetav1.UpdateOptions{})
   137  
   138  		Expect(server.ReceivedRequests()).To(HaveLen(1))
   139  		Expect(err).ToNot(HaveOccurred())
   140  		Expect(updatedMigration).To(Equal(migration))
   141  	},
   142  		Entry("with regular server URL", ""),
   143  		Entry("with proxied server URL", proxyPath),
   144  	)
   145  
   146  	DescribeTable("should patch a Migration", func(proxyPath string) {
   147  		client, err := GetKubevirtClientFromFlags(server.URL()+proxyPath, "")
   148  		Expect(err).ToNot(HaveOccurred())
   149  
   150  		migration := NewMinimalMigration("testmigration")
   151  		migration.Spec.VMIName = "somethingelse"
   152  
   153  		server.AppendHandlers(ghttp.CombineHandlers(
   154  			ghttp.VerifyRequest("PATCH", path.Join(proxyPath, migrationPath)),
   155  			ghttp.VerifyBody([]byte("{\"spec\":{\"vmiName\":something}}")),
   156  			ghttp.RespondWithJSONEncoded(http.StatusOK, migration),
   157  		))
   158  
   159  		_, err = client.VirtualMachineInstanceMigration(k8sv1.NamespaceDefault).Patch(context.Background(), migration.Name, types.MergePatchType,
   160  			[]byte("{\"spec\":{\"vmiName\":something}}"), k8smetav1.PatchOptions{})
   161  
   162  		Expect(server.ReceivedRequests()).To(HaveLen(1))
   163  		Expect(err).ToNot(HaveOccurred())
   164  	},
   165  		Entry("with regular server URL", ""),
   166  		Entry("with proxied server URL", proxyPath),
   167  	)
   168  
   169  	DescribeTable("should delete a Migration", func(proxyPath string) {
   170  		client, err := GetKubevirtClientFromFlags(server.URL()+proxyPath, "")
   171  		Expect(err).ToNot(HaveOccurred())
   172  
   173  		server.AppendHandlers(ghttp.CombineHandlers(
   174  			ghttp.VerifyRequest("DELETE", path.Join(proxyPath, migrationPath)),
   175  			ghttp.RespondWithJSONEncoded(http.StatusOK, nil),
   176  		))
   177  		err = client.VirtualMachineInstanceMigration(k8sv1.NamespaceDefault).Delete(context.Background(), "testmigration", k8smetav1.DeleteOptions{})
   178  
   179  		Expect(server.ReceivedRequests()).To(HaveLen(1))
   180  		Expect(err).ToNot(HaveOccurred())
   181  	},
   182  		Entry("with regular server URL", ""),
   183  		Entry("with proxied server URL", proxyPath),
   184  	)
   185  
   186  	AfterEach(func() {
   187  		server.Close()
   188  	})
   189  })
   190
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