mirror of https://github.com/knative/caching.git
115 lines
3.8 KiB
Go
115 lines
3.8 KiB
Go
/*
|
|
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 which are useful for e2e tests.
|
|
|
|
package test
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
corev1 "k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/client-go/kubernetes"
|
|
k8styped "k8s.io/client-go/kubernetes/typed/core/v1"
|
|
"k8s.io/client-go/rest"
|
|
"k8s.io/client-go/tools/clientcmd"
|
|
"knative.dev/pkg/test/logging"
|
|
"knative.dev/pkg/test/spoof"
|
|
)
|
|
|
|
// KubeClient holds instances of interfaces for making requests to kubernetes client.
|
|
type KubeClient struct {
|
|
Kube *kubernetes.Clientset
|
|
}
|
|
|
|
// NewSpoofingClient returns a spoofing client to make requests
|
|
func NewSpoofingClient(client *KubeClient, logf logging.FormatLogger, domain string, resolvable bool, opts ...spoof.TransportOption) (*spoof.SpoofingClient, error) {
|
|
return spoof.New(client.Kube, logf, domain, resolvable, Flags.IngressEndpoint, opts...)
|
|
}
|
|
|
|
// NewKubeClient instantiates and returns several clientsets required for making request to the
|
|
// kube client specified by the combination of clusterName and configPath. Clients can make requests within namespace.
|
|
func NewKubeClient(configPath string, clusterName string) (*KubeClient, error) {
|
|
cfg, err := BuildClientConfig(configPath, clusterName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
k, err := kubernetes.NewForConfig(cfg)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &KubeClient{Kube: k}, nil
|
|
}
|
|
|
|
// BuildClientConfig builds the client config specified by the config path and the cluster name
|
|
func BuildClientConfig(kubeConfigPath string, clusterName string) (*rest.Config, error) {
|
|
overrides := clientcmd.ConfigOverrides{}
|
|
// Override the cluster name if provided.
|
|
if clusterName != "" {
|
|
overrides.Context.Cluster = clusterName
|
|
}
|
|
return clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
|
|
&clientcmd.ClientConfigLoadingRules{ExplicitPath: kubeConfigPath},
|
|
&overrides).ClientConfig()
|
|
}
|
|
|
|
// UpdateConfigMap updates the config map for specified @name with values
|
|
func (client *KubeClient) UpdateConfigMap(name string, configName string, values map[string]string) error {
|
|
configMap, err := client.GetConfigMap(name).Get(configName, metav1.GetOptions{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for key, value := range values {
|
|
configMap.Data[key] = value
|
|
}
|
|
|
|
_, err = client.GetConfigMap(name).Update(configMap)
|
|
return err
|
|
}
|
|
|
|
// GetConfigMap gets the knative serving config map.
|
|
func (client *KubeClient) GetConfigMap(name string) k8styped.ConfigMapInterface {
|
|
return client.Kube.CoreV1().ConfigMaps(name)
|
|
}
|
|
|
|
// CreatePod will create a Pod
|
|
func (client *KubeClient) CreatePod(pod *corev1.Pod) (*corev1.Pod, error) {
|
|
pods := client.Kube.CoreV1().Pods(pod.GetNamespace())
|
|
return pods.Create(pod)
|
|
}
|
|
|
|
// PodLogs returns Pod logs for given Pod and Container in the namespace
|
|
func (client *KubeClient) PodLogs(podName, containerName, namespace string) ([]byte, error) {
|
|
pods := client.Kube.CoreV1().Pods(namespace)
|
|
podList, err := pods.List(metav1.ListOptions{})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
for _, pod := range podList.Items {
|
|
if strings.Contains(pod.Name, podName) {
|
|
result := pods.GetLogs(pod.Name, &corev1.PodLogOptions{
|
|
Container: containerName,
|
|
}).Do()
|
|
return result.Raw()
|
|
}
|
|
}
|
|
return nil, fmt.Errorf("could not find logs for %s/%s", podName, containerName)
|
|
}
|