mirror of https://github.com/knative/pkg.git
115 lines
3.7 KiB
Go
115 lines
3.7 KiB
Go
/*
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Copyright 2018 The Knative Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// This file contains an object which encapsulates k8s clients which are useful for e2e tests.
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package test
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import (
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"fmt"
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"strings"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/kubernetes"
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k8styped "k8s.io/client-go/kubernetes/typed/core/v1"
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"k8s.io/client-go/rest"
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"k8s.io/client-go/tools/clientcmd"
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"knative.dev/pkg/test/logging"
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"knative.dev/pkg/test/spoof"
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)
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// KubeClient holds instances of interfaces for making requests to kubernetes client.
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type KubeClient struct {
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Kube *kubernetes.Clientset
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}
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// NewSpoofingClient returns a spoofing client to make requests
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func NewSpoofingClient(client *KubeClient, logf logging.FormatLogger, domain string, resolvable bool) (*spoof.SpoofingClient, error) {
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return spoof.New(client.Kube, logf, domain, resolvable, Flags.IngressEndpoint)
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}
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// NewKubeClient instantiates and returns several clientsets required for making request to the
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// kube client specified by the combination of clusterName and configPath. Clients can make requests within namespace.
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func NewKubeClient(configPath string, clusterName string) (*KubeClient, error) {
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cfg, err := BuildClientConfig(configPath, clusterName)
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if err != nil {
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return nil, err
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}
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k, err := kubernetes.NewForConfig(cfg)
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if err != nil {
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return nil, err
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}
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return &KubeClient{Kube: k}, nil
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}
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// BuildClientConfig builds the client config specified by the config path and the cluster name
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func BuildClientConfig(kubeConfigPath string, clusterName string) (*rest.Config, error) {
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overrides := clientcmd.ConfigOverrides{}
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// Override the cluster name if provided.
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if clusterName != "" {
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overrides.Context.Cluster = clusterName
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}
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return clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
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&clientcmd.ClientConfigLoadingRules{ExplicitPath: kubeConfigPath},
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&overrides).ClientConfig()
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}
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// UpdateConfigMap updates the config map for specified @name with values
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func (client *KubeClient) UpdateConfigMap(name string, configName string, values map[string]string) error {
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configMap, err := client.GetConfigMap(name).Get(configName, metav1.GetOptions{})
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if err != nil {
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return err
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}
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for key, value := range values {
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configMap.Data[key] = value
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}
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_, err = client.GetConfigMap(name).Update(configMap)
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return err
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}
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// GetConfigMap gets the knative serving config map.
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func (client *KubeClient) GetConfigMap(name string) k8styped.ConfigMapInterface {
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return client.Kube.CoreV1().ConfigMaps(name)
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}
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// CreatePod will create a Pod
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func (client *KubeClient) CreatePod(pod *corev1.Pod) (*corev1.Pod, error) {
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pods := client.Kube.CoreV1().Pods(pod.GetNamespace())
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return pods.Create(pod)
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}
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// PodLogs returns Pod logs for given Pod and Container in the namespace
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func (client *KubeClient) PodLogs(podName, containerName, namespace string) ([]byte, error) {
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pods := client.Kube.CoreV1().Pods(namespace)
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podList, err := pods.List(metav1.ListOptions{})
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if err != nil {
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return nil, err
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}
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for _, pod := range podList.Items {
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if strings.Contains(pod.Name, podName) {
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result := pods.GetLogs(pod.Name, &corev1.PodLogOptions{
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Container: containerName,
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}).Do()
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return result.Raw()
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}
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}
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return nil, fmt.Errorf("could not find logs for %s/%s", podName, containerName)
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}
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