mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-11-03 23:40:03 +00:00
243 lines
8.0 KiB
Go
243 lines
8.0 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes 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 cmd
|
|
|
|
import (
|
|
"bytes"
|
|
"net/http"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
"net/url"
|
|
|
|
"k8s.io/apimachinery/pkg/api/resource"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
clientv1 "k8s.io/client-go/pkg/api/v1"
|
|
"k8s.io/client-go/rest/fake"
|
|
"k8s.io/kubernetes/pkg/api"
|
|
cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
|
|
metricsapi "k8s.io/metrics/pkg/apis/metrics/v1alpha1"
|
|
)
|
|
|
|
const (
|
|
topPathPrefix = baseMetricsAddress + "/" + metricsApiVersion
|
|
)
|
|
|
|
func TestTopPod(t *testing.T) {
|
|
testNS := "testns"
|
|
testCases := []struct {
|
|
name string
|
|
namespace string
|
|
flags map[string]string
|
|
args []string
|
|
expectedPath string
|
|
expectedQuery string
|
|
namespaces []string
|
|
containers bool
|
|
listsNamespaces bool
|
|
}{
|
|
{
|
|
name: "all namespaces",
|
|
flags: map[string]string{"all-namespaces": "true"},
|
|
expectedPath: topPathPrefix + "/pods",
|
|
namespaces: []string{testNS, "secondtestns", "thirdtestns"},
|
|
listsNamespaces: true,
|
|
},
|
|
{
|
|
name: "all in namespace",
|
|
expectedPath: topPathPrefix + "/namespaces/" + testNS + "/pods",
|
|
namespaces: []string{testNS, testNS},
|
|
},
|
|
{
|
|
name: "pod with name",
|
|
args: []string{"pod1"},
|
|
expectedPath: topPathPrefix + "/namespaces/" + testNS + "/pods/pod1",
|
|
namespaces: []string{testNS},
|
|
},
|
|
{
|
|
name: "pod with label selector",
|
|
flags: map[string]string{"selector": "key=value"},
|
|
expectedPath: topPathPrefix + "/namespaces/" + testNS + "/pods",
|
|
expectedQuery: "labelSelector=" + url.QueryEscape("key=value"),
|
|
namespaces: []string{testNS, testNS},
|
|
},
|
|
{
|
|
name: "pod with container metrics",
|
|
flags: map[string]string{"containers": "true"},
|
|
args: []string{"pod1"},
|
|
expectedPath: topPathPrefix + "/namespaces/" + testNS + "/pods/pod1",
|
|
namespaces: []string{testNS},
|
|
containers: true,
|
|
},
|
|
}
|
|
initTestErrorHandler(t)
|
|
for _, testCase := range testCases {
|
|
t.Logf("Running test case: %s", testCase.name)
|
|
metricsList := testPodMetricsData()
|
|
var expectedMetrics []metricsapi.PodMetrics
|
|
var expectedContainerNames, nonExpectedMetricsNames []string
|
|
for n, m := range metricsList {
|
|
if n < len(testCase.namespaces) {
|
|
m.Namespace = testCase.namespaces[n]
|
|
expectedMetrics = append(expectedMetrics, m)
|
|
for _, c := range m.Containers {
|
|
expectedContainerNames = append(expectedContainerNames, c.Name)
|
|
}
|
|
} else {
|
|
nonExpectedMetricsNames = append(nonExpectedMetricsNames, m.Name)
|
|
}
|
|
}
|
|
|
|
var response interface{}
|
|
if len(expectedMetrics) == 1 {
|
|
response = expectedMetrics[0]
|
|
} else {
|
|
response = metricsapi.PodMetricsList{
|
|
ListMeta: metav1.ListMeta{
|
|
ResourceVersion: "2",
|
|
},
|
|
Items: expectedMetrics,
|
|
}
|
|
}
|
|
|
|
f, tf, _, ns := cmdtesting.NewAPIFactory()
|
|
tf.Printer = &testPrinter{}
|
|
tf.Client = &fake.RESTClient{
|
|
APIRegistry: api.Registry,
|
|
NegotiatedSerializer: ns,
|
|
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
|
switch p, m, q := req.URL.Path, req.Method, req.URL.RawQuery; {
|
|
case p == testCase.expectedPath && m == "GET" && (testCase.expectedQuery == "" || q == testCase.expectedQuery):
|
|
body, err := marshallBody(response)
|
|
if err != nil {
|
|
t.Errorf("%s: unexpected error: %v", testCase.name, err)
|
|
}
|
|
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: body}, nil
|
|
default:
|
|
t.Fatalf("%s: unexpected request: %#v\nGot URL: %#v\nExpected path: %#v\nExpected query: %#v",
|
|
testCase.name, req, req.URL, testCase.expectedPath, testCase.expectedQuery)
|
|
return nil, nil
|
|
}
|
|
}),
|
|
}
|
|
tf.Namespace = testNS
|
|
tf.ClientConfig = defaultClientConfig()
|
|
buf := bytes.NewBuffer([]byte{})
|
|
|
|
cmd := NewCmdTopPod(f, buf)
|
|
for name, value := range testCase.flags {
|
|
cmd.Flags().Set(name, value)
|
|
}
|
|
cmd.Run(cmd, testCase.args)
|
|
|
|
// Check the presence of pod names&namespaces/container names in the output.
|
|
result := buf.String()
|
|
if testCase.containers {
|
|
for _, containerName := range expectedContainerNames {
|
|
if !strings.Contains(result, containerName) {
|
|
t.Errorf("%s: missing metrics for container %s: \n%s", testCase.name, containerName, result)
|
|
}
|
|
}
|
|
}
|
|
for _, m := range expectedMetrics {
|
|
if !strings.Contains(result, m.Name) {
|
|
t.Errorf("%s: missing metrics for %s: \n%s", testCase.name, m.Name, result)
|
|
}
|
|
if testCase.listsNamespaces && !strings.Contains(result, m.Namespace) {
|
|
t.Errorf("%s: missing metrics for %s/%s: \n%s", testCase.name, m.Namespace, m.Name, result)
|
|
}
|
|
}
|
|
for _, name := range nonExpectedMetricsNames {
|
|
if strings.Contains(result, name) {
|
|
t.Errorf("%s: unexpected metrics for %s: \n%s", testCase.name, name, result)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func testPodMetricsData() []metricsapi.PodMetrics {
|
|
return []metricsapi.PodMetrics{
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{Name: "pod1", Namespace: "test", ResourceVersion: "10"},
|
|
Window: metav1.Duration{Duration: time.Minute},
|
|
Containers: []metricsapi.ContainerMetrics{
|
|
{
|
|
Name: "container1-1",
|
|
Usage: clientv1.ResourceList{
|
|
clientv1.ResourceCPU: *resource.NewMilliQuantity(1, resource.DecimalSI),
|
|
clientv1.ResourceMemory: *resource.NewQuantity(2*(1024*1024), resource.DecimalSI),
|
|
clientv1.ResourceStorage: *resource.NewQuantity(3*(1024*1024), resource.DecimalSI),
|
|
},
|
|
},
|
|
{
|
|
Name: "container1-2",
|
|
Usage: clientv1.ResourceList{
|
|
clientv1.ResourceCPU: *resource.NewMilliQuantity(4, resource.DecimalSI),
|
|
clientv1.ResourceMemory: *resource.NewQuantity(5*(1024*1024), resource.DecimalSI),
|
|
clientv1.ResourceStorage: *resource.NewQuantity(6*(1024*1024), resource.DecimalSI),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{Name: "pod2", Namespace: "test", ResourceVersion: "11"},
|
|
Window: metav1.Duration{Duration: time.Minute},
|
|
Containers: []metricsapi.ContainerMetrics{
|
|
{
|
|
Name: "container2-1",
|
|
Usage: clientv1.ResourceList{
|
|
clientv1.ResourceCPU: *resource.NewMilliQuantity(7, resource.DecimalSI),
|
|
clientv1.ResourceMemory: *resource.NewQuantity(8*(1024*1024), resource.DecimalSI),
|
|
clientv1.ResourceStorage: *resource.NewQuantity(9*(1024*1024), resource.DecimalSI),
|
|
},
|
|
},
|
|
{
|
|
Name: "container2-2",
|
|
Usage: clientv1.ResourceList{
|
|
clientv1.ResourceCPU: *resource.NewMilliQuantity(10, resource.DecimalSI),
|
|
clientv1.ResourceMemory: *resource.NewQuantity(11*(1024*1024), resource.DecimalSI),
|
|
clientv1.ResourceStorage: *resource.NewQuantity(12*(1024*1024), resource.DecimalSI),
|
|
},
|
|
},
|
|
{
|
|
Name: "container2-3",
|
|
Usage: clientv1.ResourceList{
|
|
clientv1.ResourceCPU: *resource.NewMilliQuantity(13, resource.DecimalSI),
|
|
clientv1.ResourceMemory: *resource.NewQuantity(14*(1024*1024), resource.DecimalSI),
|
|
clientv1.ResourceStorage: *resource.NewQuantity(15*(1024*1024), resource.DecimalSI),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{Name: "pod3", Namespace: "test", ResourceVersion: "12"},
|
|
Window: metav1.Duration{Duration: time.Minute},
|
|
Containers: []metricsapi.ContainerMetrics{
|
|
{
|
|
Name: "container3-1",
|
|
Usage: clientv1.ResourceList{
|
|
clientv1.ResourceCPU: *resource.NewMilliQuantity(7, resource.DecimalSI),
|
|
clientv1.ResourceMemory: *resource.NewQuantity(8*(1024*1024), resource.DecimalSI),
|
|
clientv1.ResourceStorage: *resource.NewQuantity(9*(1024*1024), resource.DecimalSI),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|