sigs.k8s.io/cluster-api@v1.7.1/cmd/clusterctl/client/alpha/rollout_restarter_test.go

/*
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 alpha

import (
	"context"
	"testing"
	"time"

	. "github.com/onsi/gomega"
	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"sigs.k8s.io/controller-runtime/pkg/client"

	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
	"sigs.k8s.io/cluster-api/cmd/clusterctl/internal/test"
	controlplanev1 "sigs.k8s.io/cluster-api/controlplane/kubeadm/api/v1beta1"
)

func Test_ObjectRestarter(t *testing.T) {
	type fields struct {
		objs []client.Object
		ref  corev1.ObjectReference
	}
	tests := []struct {
		name        string
		fields      fields
		wantErr     bool
		wantRollout bool
	}{
		{
			name: "machinedeployment should have rolloutAfter",
			fields: fields{
				objs: []client.Object{
					&clusterv1.MachineDeployment{
						TypeMeta: metav1.TypeMeta{
							Kind:       "MachineDeployment",
							APIVersion: "cluster.x-k8s.io/v1beta1",
						},
						ObjectMeta: metav1.ObjectMeta{
							Namespace: "default",
							Name:      "md-1",
						},
					},
				},
				ref: corev1.ObjectReference{
					Kind:      MachineDeployment,
					Name:      "md-1",
					Namespace: "default",
				},
			},
			wantErr:     false,
			wantRollout: true,
		},
		{
			name: "paused machinedeployment should not have rolloutAfter",
			fields: fields{
				objs: []client.Object{
					&clusterv1.MachineDeployment{
						TypeMeta: metav1.TypeMeta{
							Kind:       "MachineDeployment",
							APIVersion: "cluster.x-k8s.io/v1beta1",
						},
						ObjectMeta: metav1.ObjectMeta{
							Namespace: "default",
							Name:      "md-1",
						},
						Spec: clusterv1.MachineDeploymentSpec{
							Paused: true,
						},
					},
				},
				ref: corev1.ObjectReference{
					Kind:      MachineDeployment,
					Name:      "md-1",
					Namespace: "default",
				},
			},
			wantErr:     true,
			wantRollout: false,
		},
		{
			name: "machinedeployment with spec.rolloutAfter should not be updatable",
			fields: fields{
				objs: []client.Object{
					&clusterv1.MachineDeployment{
						TypeMeta: metav1.TypeMeta{
							Kind:       "MachineDeployment",
							APIVersion: "cluster.x-k8s.io/v1beta1",
						},
						ObjectMeta: metav1.ObjectMeta{
							Namespace: "default",
							Name:      "md-1",
						},
						Spec: clusterv1.MachineDeploymentSpec{
							RolloutAfter: &metav1.Time{Time: time.Now().Local().Add(time.Hour)},
						},
					},
				},
				ref: corev1.ObjectReference{
					Kind:      MachineDeployment,
					Name:      "md-1",
					Namespace: "default",
				},
			},
			wantErr:     true,
			wantRollout: false,
		},
		{
			name: "kubeadmcontrolplane should have rolloutAfter",
			fields: fields{
				objs: []client.Object{
					&controlplanev1.KubeadmControlPlane{
						TypeMeta: metav1.TypeMeta{
							Kind:       "KubeadmControlPlane",
							APIVersion: "controlplane.cluster.x-k8s.io/v1beta1",
						},
						ObjectMeta: metav1.ObjectMeta{
							Namespace: "default",
							Name:      "kcp",
						},
					},
				},
				ref: corev1.ObjectReference{
					Kind:      KubeadmControlPlane,
					Name:      "kcp",
					Namespace: "default",
				},
			},
			wantErr:     false,
			wantRollout: true,
		},
		{
			name: "paused kubeadmcontrolplane should not have rolloutAfter",
			fields: fields{
				objs: []client.Object{
					&controlplanev1.KubeadmControlPlane{
						TypeMeta: metav1.TypeMeta{
							Kind:       "KubeadmControlPlane",
							APIVersion: "controlplane.cluster.x-k8s.io/v1beta1",
						},
						ObjectMeta: metav1.ObjectMeta{
							Namespace: "default",
							Name:      "kcp",
							Annotations: map[string]string{
								clusterv1.PausedAnnotation: "true",
							},
						},
					},
				},
				ref: corev1.ObjectReference{
					Kind:      KubeadmControlPlane,
					Name:      "kcp",
					Namespace: "default",
				},
			},
			wantErr:     true,
			wantRollout: false,
		},
		{
			name: "kubeadmcontrolplane with spec.rolloutAfter should not be updatable",
			fields: fields{
				objs: []client.Object{
					&controlplanev1.KubeadmControlPlane{
						TypeMeta: metav1.TypeMeta{
							Kind:       "KubeadmControlPlane",
							APIVersion: "controlplane.cluster.x-k8s.io/v1beta1",
						},
						ObjectMeta: metav1.ObjectMeta{
							Namespace: "default",
							Name:      "kcp",
						},
						Spec: controlplanev1.KubeadmControlPlaneSpec{
							RolloutAfter: &metav1.Time{Time: time.Now().Local().Add(time.Hour)},
						},
					},
				},
				ref: corev1.ObjectReference{
					Kind:      KubeadmControlPlane,
					Name:      "kcp",
					Namespace: "default",
				},
			},
			wantErr:     true,
			wantRollout: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			g := NewWithT(t)
			r := newRolloutClient()
			proxy := test.NewFakeProxy().WithObjs(tt.fields.objs...)
			err := r.ObjectRestarter(context.Background(), proxy, tt.fields.ref)
			if tt.wantErr {
				g.Expect(err).To(HaveOccurred())
				return
			}
			g.Expect(err).ToNot(HaveOccurred())
			for _, obj := range tt.fields.objs {
				cl, err := proxy.NewClient(context.Background())
				g.Expect(err).ToNot(HaveOccurred())
				key := client.ObjectKeyFromObject(obj)
				switch obj.(type) {
				case *clusterv1.MachineDeployment:
					md := &clusterv1.MachineDeployment{}
					err = cl.Get(context.TODO(), key, md)
					g.Expect(err).ToNot(HaveOccurred())
					if tt.wantRollout {
						g.Expect(md.Spec.RolloutAfter).NotTo(BeNil())
					} else {
						g.Expect(md.Spec.RolloutAfter).To(BeNil())
					}
				case *controlplanev1.KubeadmControlPlane:
					kcp := &controlplanev1.KubeadmControlPlane{}
					err = cl.Get(context.TODO(), key, kcp)
					g.Expect(err).ToNot(HaveOccurred())
					if tt.wantRollout {
						g.Expect(kcp.Spec.RolloutAfter).NotTo(BeNil())
					} else {
						g.Expect(kcp.Spec.RolloutAfter).To(BeNil())
					}
				}
			}
		})
	}
}