-
Notifications
You must be signed in to change notification settings - Fork 580
/
vpod.go
220 lines (186 loc) · 5.44 KB
/
vpod.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
/*
Copyright 2020 The Knative 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 testing
import (
"context"
"testing"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"knative.dev/pkg/controller"
duckv1alpha1 "knative.dev/eventing/pkg/apis/duck/v1alpha1"
"knative.dev/eventing/pkg/scheduler"
appsv1 "k8s.io/api/apps/v1"
autoscalingv1 "k8s.io/api/autoscaling/v1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
gtesting "k8s.io/client-go/testing"
kubeclient "knative.dev/pkg/client/injection/kube/client/fake"
_ "knative.dev/pkg/client/injection/kube/informers/apps/v1/statefulset/fake"
rectesting "knative.dev/pkg/reconciler/testing"
)
type sampleVPod struct {
key types.NamespacedName
vreplicas int32
placements []duckv1alpha1.Placement
rsrcversion string
}
func NewVPod(ns, name string, vreplicas int32, placements []duckv1alpha1.Placement) *sampleVPod {
return &sampleVPod{
key: types.NamespacedName{
Namespace: ns,
Name: name,
},
vreplicas: vreplicas,
placements: placements,
rsrcversion: "12345",
}
}
func (d *sampleVPod) GetKey() types.NamespacedName {
return d.key
}
func (d *sampleVPod) GetVReplicas() int32 {
return d.vreplicas
}
func (d *sampleVPod) GetPlacements() []duckv1alpha1.Placement {
return d.placements
}
func (d *sampleVPod) GetResourceVersion() string {
return d.rsrcversion
}
func MakeNode(name, zonename string) *v1.Node {
obj := &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Labels: map[string]string{
scheduler.ZoneLabel: zonename,
},
},
}
return obj
}
func MakeNodeNoLabel(name string) *v1.Node {
obj := &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
}
return obj
}
func MakeNodeTainted(name, zonename string) *v1.Node {
obj := &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Labels: map[string]string{
scheduler.ZoneLabel: zonename,
},
},
Spec: v1.NodeSpec{
Taints: []v1.Taint{
{Key: "node.kubernetes.io/unreachable", Effect: v1.TaintEffectNoExecute},
{Key: "node.kubernetes.io/unreachable", Effect: v1.TaintEffectNoSchedule},
},
},
}
return obj
}
func MakeStatefulset(ns, name string, replicas int32) *appsv1.StatefulSet {
obj := &appsv1.StatefulSet{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: ns,
},
Spec: appsv1.StatefulSetSpec{
Replicas: &replicas,
},
Status: appsv1.StatefulSetStatus{
Replicas: replicas,
},
}
return obj
}
func MakePod(ns, name, nodename string) *v1.Pod {
obj := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: ns,
},
Spec: v1.PodSpec{
NodeName: nodename,
},
}
return obj
}
func SetupFakeContext(t *testing.T) (context.Context, context.CancelFunc) {
ctx, cancel, informers := rectesting.SetupFakeContextWithCancel(t)
err := controller.StartInformers(ctx.Done(), informers...)
if err != nil {
t.Fatal("unexpected error", err)
}
kc := kubeclient.Get(ctx)
kc.PrependReactor("create", "statefulsets", func(action gtesting.Action) (handled bool, ret runtime.Object, err error) {
createAction := action.(gtesting.CreateActionImpl)
sfs := createAction.GetObject().(*appsv1.StatefulSet)
scale := &autoscalingv1.Scale{
ObjectMeta: metav1.ObjectMeta{
Name: sfs.Name,
Namespace: sfs.Namespace,
},
Spec: autoscalingv1.ScaleSpec{
Replicas: func() int32 {
if sfs.Spec.Replicas == nil {
return 1
}
return *sfs.Spec.Replicas
}(),
},
}
kc.Tracker().Add(scale)
return false, nil, nil
})
kc.PrependReactor("get", "statefulsets", func(action gtesting.Action) (handled bool, ret runtime.Object, err error) {
getAction := action.(gtesting.GetAction)
if action.GetSubresource() == "scale" {
scale, err := kc.Tracker().Get(autoscalingv1.SchemeGroupVersion.WithResource("scales"), getAction.GetNamespace(), getAction.GetName())
return true, scale, err
}
return false, nil, nil
})
kc.PrependReactor("update", "statefulsets", func(action gtesting.Action) (handled bool, ret runtime.Object, err error) {
updateAction := action.(gtesting.UpdateActionImpl)
if action.GetSubresource() == "scale" {
scale := updateAction.GetObject().(*autoscalingv1.Scale)
err := kc.Tracker().Update(autoscalingv1.SchemeGroupVersion.WithResource("scales"), scale, scale.GetNamespace())
if err != nil {
return true, nil, err
}
meta, err := meta.Accessor(updateAction.GetObject())
if err != nil {
return true, nil, err
}
obj, err := kc.Tracker().Get(appsv1.SchemeGroupVersion.WithResource("statefulsets"), meta.GetNamespace(), meta.GetName())
if err != nil {
return true, nil, err
}
sfs := obj.(*appsv1.StatefulSet)
sfs.Spec.Replicas = &scale.Spec.Replicas
err = kc.Tracker().Update(appsv1.SchemeGroupVersion.WithResource("statefulsets"), sfs, sfs.GetNamespace())
if err != nil {
return true, nil, err
}
return true, scale, nil
}
return false, nil, nil
})
return ctx, cancel
}