multus-cni/testing/testing.go
2018-07-30 14:58:30 +01:00

134 lines
3.3 KiB
Go

// Copyright (c) 2017 Intel Corporation
//
// 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 (
"fmt"
"io/ioutil"
"net"
"strings"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
. "github.com/onsi/gomega"
)
type FakeKubeClient struct {
pods map[string]*v1.Pod
PodCount int
nets map[string]string
NetCount int
}
func NewFakeKubeClient() *FakeKubeClient {
return &FakeKubeClient{
pods: make(map[string]*v1.Pod),
nets: make(map[string]string),
}
}
func (f *FakeKubeClient) GetRawWithPath(path string) ([]byte, error) {
obj, ok := f.nets[path]
if !ok {
return nil, fmt.Errorf("resource not found")
}
f.NetCount++
return []byte(obj), nil
}
func (f *FakeKubeClient) AddNetConfig(namespace, name, data string) {
cr := fmt.Sprintf(`{
"apiVersion": "k8s.cni.cncf.io/v1",
"kind": "Network",
"metadata": {
"namespace": "%s",
"name": "%s"
},
"spec": {
"config": "%s"
}
}`, namespace, name, strings.Replace(data, "\"", "\\\"", -1))
cr = strings.Replace(cr, "\n", "", -1)
cr = strings.Replace(cr, "\t", "", -1)
f.nets[fmt.Sprintf("/apis/k8s.cni.cncf.io/v1/namespaces/%s/network-attachment-definitions/%s", namespace, name)] = cr
}
func (f *FakeKubeClient) AddNetFile(namespace, name, filePath, fileData string) {
cr := fmt.Sprintf(`{
"apiVersion": "k8s.cni.cncf.io/v1",
"kind": "Network",
"metadata": {
"namespace": "%s",
"name": "%s"
}
}`, namespace, name)
f.nets[fmt.Sprintf("/apis/k8s.cni.cncf.io/v1/namespaces/%s/network-attachment-definitions/%s", namespace, name)] = cr
err := ioutil.WriteFile(filePath, []byte(fileData), 0600)
Expect(err).NotTo(HaveOccurred())
}
func (f *FakeKubeClient) GetPod(namespace, name string) (*v1.Pod, error) {
key := fmt.Sprintf("%s/%s", namespace, name)
pod, ok := f.pods[key]
if !ok {
return nil, fmt.Errorf("pod not found")
}
f.PodCount++
return pod, nil
}
func (f *FakeKubeClient) UpdatePodStatus(pod *v1.Pod) (*v1.Pod, error) {
key := fmt.Sprintf("%s/%s", pod.Namespace, pod.Name)
f.pods[key] = pod
return f.pods[key], nil
}
func (f *FakeKubeClient) AddPod(pod *v1.Pod) {
key := fmt.Sprintf("%s/%s", pod.ObjectMeta.Namespace, pod.ObjectMeta.Name)
f.pods[key] = pod
}
func NewFakePod(name string, netAnnotation string) *v1.Pod {
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: "test",
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{Name: "ctr1", Image: "image"},
},
},
}
if netAnnotation != "" {
netAnnotation = strings.Replace(netAnnotation, "\n", "", -1)
netAnnotation = strings.Replace(netAnnotation, "\t", "", -1)
pod.ObjectMeta.Annotations = map[string]string{
"k8s.v1.cni.cncf.io/networks": netAnnotation,
}
}
return pod
}
func EnsureCIDR(cidr string) *net.IPNet {
ip, net, err := net.ParseCIDR(cidr)
Expect(err).NotTo(HaveOccurred())
net.IP = ip
return net
}