-
Notifications
You must be signed in to change notification settings - Fork 580
/
resources.go
232 lines (204 loc) · 7.15 KB
/
resources.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
221
222
223
224
225
226
227
228
229
230
231
232
/*
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 recordevents
import (
"context"
"encoding/json"
"strings"
cloudevents "github.com/cloudevents/sdk-go/v2"
"github.com/pkg/errors"
corev1 "k8s.io/api/core/v1"
rbacv1 "k8s.io/api/rbac/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/uuid"
pkgtest "knative.dev/pkg/test"
testlib "knative.dev/eventing/test/lib"
"knative.dev/eventing/test/lib/resources"
)
type EventRecordOption = func(*corev1.Pod, *testlib.Client) error
func noop(pod *corev1.Pod, client *testlib.Client) error {
return nil
}
func compose(options ...EventRecordOption) EventRecordOption {
return func(pod *corev1.Pod, client *testlib.Client) error {
for _, opt := range options {
if err := opt(pod, client); err != nil {
return err
}
}
return nil
}
}
func envOptionalOpt(key, value string) EventRecordOption {
if value != "" {
return func(pod *corev1.Pod, client *testlib.Client) error {
pod.Spec.Containers[0].Env = append(
pod.Spec.Containers[0].Env,
corev1.EnvVar{Name: key, Value: value},
)
return nil
}
} else {
return noop
}
}
func envOption(key, value string) EventRecordOption {
return func(pod *corev1.Pod, client *testlib.Client) error {
pod.Spec.Containers[0].Env = append(
pod.Spec.Containers[0].Env,
corev1.EnvVar{Name: key, Value: value},
)
return nil
}
}
// EchoEvent is an option to let the recordevents reply with the received event
var EchoEvent EventRecordOption = envOption("REPLY", "true")
// ReplyWithTransformedEvent is an option to let the recordevents reply with the transformed event
func ReplyWithTransformedEvent(replyEventType string, replyEventSource string, replyEventData string) EventRecordOption {
return compose(
envOption("REPLY", "true"),
envOptionalOpt("REPLY_EVENT_TYPE", replyEventType),
envOptionalOpt("REPLY_EVENT_SOURCE", replyEventSource),
envOptionalOpt("REPLY_EVENT_DATA", replyEventData),
)
}
// ReplyWithAppendedData is an option to let the recordevents reply with the transformed event with appended data
func ReplyWithAppendedData(appendData string) EventRecordOption {
return compose(
envOption("REPLY", "true"),
envOptionalOpt("REPLY_APPEND_DATA", appendData),
)
}
// InputEvent is an option to provide the event to send when deploying the event sender
func InputEvent(event cloudevents.Event) EventRecordOption {
encodedEvent, err := json.Marshal(event)
if err != nil {
return func(pod *corev1.Pod, client *testlib.Client) error {
return err
}
}
return envOption("INPUT_EVENT", string(encodedEvent))
}
// AddTracing adds tracing headers when sending events.
func AddTracing() EventRecordOption {
return envOption("ADD_TRACING", "true")
}
// EnableIncrementalId creates a new incremental id for each sent event.
func EnableIncrementalId() EventRecordOption {
return envOption("INCREMENTAL_ID", "true")
}
// InputEncoding forces the encoding of the event for each sent event.
func InputEncoding(encoding cloudevents.Encoding) EventRecordOption {
return envOption("EVENT_ENCODING", encoding.String())
}
// InputHeaders adds the following headers to the sent requests.
func InputHeaders(headers map[string]string) EventRecordOption {
return envOption("INPUT_HEADERS", serializeHeaders(headers))
}
func serializeHeaders(headers map[string]string) string {
kv := make([]string, 0, len(headers))
for k, v := range headers {
kv = append(kv, k+":"+v)
}
return strings.Join(kv, ",")
}
// DeployEventRecordOrFail deploys the recordevents image with necessary sa, roles, rb to execute the image
func DeployEventRecordOrFail(ctx context.Context, client *testlib.Client, name string, options ...EventRecordOption) *corev1.Pod {
client.CreateServiceAccountOrFail(name)
client.CreateRoleOrFail(resources.Role(name,
resources.WithRuleForRole(&rbacv1.PolicyRule{
APIGroups: []string{""},
Resources: []string{"pods"},
Verbs: []string{"get"},
}),
resources.WithRuleForRole(&rbacv1.PolicyRule{
APIGroups: []string{""},
Resources: []string{"events"},
Verbs: []string{rbacv1.VerbAll},
}),
))
client.CreateRoleBindingOrFail(name, "Role", name, name, client.Namespace)
options = append(
options,
testlib.WithService(name),
envOption("EVENT_GENERATORS", "receiver"),
)
eventRecordPod := recordEventsPod("recordevents", name, name)
client.CreatePodOrFail(eventRecordPod, options...)
err := pkgtest.WaitForPodRunning(ctx, client.Kube, name, client.Namespace)
if err != nil {
client.T.Fatalf("Failed to start the recordevent pod '%s': %v", name, errors.WithStack(err))
}
client.WaitForServiceEndpointsOrFail(ctx, name, 1)
return eventRecordPod
}
// DeployEventSenderOrFail deploys the recordevents image with necessary sa, roles, rb to execute the image
func DeployEventSenderOrFail(ctx context.Context, client *testlib.Client, name string, sink string, options ...EventRecordOption) *corev1.Pod {
client.CreateServiceAccountOrFail(name)
client.CreateRoleOrFail(resources.Role(name,
resources.WithRuleForRole(&rbacv1.PolicyRule{
APIGroups: []string{""},
Resources: []string{"pods"},
Verbs: []string{"get"},
}),
resources.WithRuleForRole(&rbacv1.PolicyRule{
APIGroups: []string{""},
Resources: []string{"events"},
Verbs: []string{rbacv1.VerbAll},
}),
))
client.CreateRoleBindingOrFail(name, "Role", name, name, client.Namespace)
options = append(
options,
envOption("EVENT_GENERATORS", "sender"),
envOption("SINK", sink),
)
eventRecordPod := recordEventsPod("recordevents", name, name)
client.CreatePodOrFail(eventRecordPod, options...)
err := pkgtest.WaitForPodRunning(ctx, client.Kube, name, client.Namespace)
if err != nil {
client.T.Fatalf("Failed to start the recordevent pod '%s': %v", name, errors.WithStack(err))
}
return eventRecordPod
}
func recordEventsPod(imageName string, name string, serviceAccountName string) *corev1.Pod {
return &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Labels: map[string]string{"e2etest": string(uuid.NewUUID())},
},
Spec: corev1.PodSpec{
Containers: []corev1.Container{{
Name: imageName,
Image: pkgtest.ImagePath(imageName),
ImagePullPolicy: corev1.PullIfNotPresent,
Env: []corev1.EnvVar{{
Name: "SYSTEM_NAMESPACE",
ValueFrom: &corev1.EnvVarSource{
FieldRef: &corev1.ObjectFieldSelector{FieldPath: "metadata.namespace"},
},
}, {
Name: "POD_NAME",
ValueFrom: &corev1.EnvVarSource{
FieldRef: &corev1.ObjectFieldSelector{FieldPath: "metadata.name"},
},
}, {
Name: "EVENT_LOGS",
Value: "recorder,logger",
}},
}},
ServiceAccountName: serviceAccountName,
RestartPolicy: corev1.RestartPolicyAlways,
},
}
}