/
client.go
145 lines (116 loc) · 3.96 KB
/
client.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
/*
Copyright 2018 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.
*/
// This file contains an object which encapsulates k8s clients and other info which are useful for e2e tests.
// Each test case will need to create its own client.
package lib
import (
"fmt"
"testing"
"knative.dev/eventing/test/lib/resources"
"github.com/pkg/errors"
corev1 "k8s.io/api/core/v1"
apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/typed/apiextensions/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"knative.dev/pkg/test"
configtracing "knative.dev/pkg/tracing/config"
eventing "knative.dev/eventing/pkg/client/clientset/versioned"
"knative.dev/eventing/test/test_images"
)
// Client holds instances of interfaces for making requests to Knative.
type Client struct {
Kube *test.KubeClient
Eventing *eventing.Clientset
Apiextensions *apiextensionsv1beta1.ApiextensionsV1beta1Client
Dynamic dynamic.Interface
Config *rest.Config
Namespace string
T *testing.T
Tracker *Tracker
podsCreated []string
tracingEnv corev1.EnvVar
cleanup func()
}
// NewClient instantiates and returns several clientsets required for making request to the
// cluster specified by the combination of clusterName and configPath.
func NewClient(configPath string, clusterName string, namespace string, t *testing.T) (*Client, error) {
var err error
client := &Client{}
client.Config, err = test.BuildClientConfig(configPath, clusterName)
if err != nil {
return nil, err
}
client.Kube, err = test.NewKubeClient(configPath, clusterName)
if err != nil {
return nil, err
}
client.Eventing, err = eventing.NewForConfig(client.Config)
if err != nil {
return nil, err
}
client.Apiextensions, err = apiextensionsv1beta1.NewForConfig(client.Config)
if err != nil {
return nil, err
}
client.Dynamic, err = dynamic.NewForConfig(client.Config)
if err != nil {
return nil, err
}
client.Namespace = namespace
client.T = t
client.Tracker = NewTracker(t, client.Dynamic)
client.tracingEnv, err = getTracingConfig(client.Kube.Kube)
if err != nil {
return nil, err
}
return client, nil
}
// Cleanup acts similarly to testing.T, but it's tied to the client lifecycle
func (c *Client) Cleanup(f func()) {
oldCleanup := c.cleanup
c.cleanup = func() {
if oldCleanup != nil {
defer oldCleanup()
}
f()
}
}
func (c *Client) runCleanup() (err error) {
if c.cleanup == nil {
return nil
}
defer func() {
if panicVal := recover(); panicVal != nil {
err = fmt.Errorf("panic in cleanup function: %+v", panicVal)
}
}()
c.cleanup()
return nil
}
func getTracingConfig(c *kubernetes.Clientset) (corev1.EnvVar, error) {
cm, err := c.CoreV1().ConfigMaps(resources.SystemNamespace).Get("config-tracing", metav1.GetOptions{})
if err != nil {
return corev1.EnvVar{}, fmt.Errorf("error while retrieving the config-tracing config map: %+v", errors.WithStack(err))
}
config, err := configtracing.NewTracingConfigFromConfigMap(cm)
if err != nil {
return corev1.EnvVar{}, fmt.Errorf("error while parsing the config-tracing config map: %+v", errors.WithStack(err))
}
configSerialized, err := configtracing.TracingConfigToJson(config)
if err != nil {
return corev1.EnvVar{}, fmt.Errorf("error while serializing the config-tracing config map: %+v", errors.WithStack(err))
}
return corev1.EnvVar{Name: test_images.ConfigTracingEnv, Value: configSerialized}, nil
}