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https://github.com/k3s-io/kubernetes.git
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Merge pull request #34966 from ivan4th/make-top-pod-test-table-driven
Automatic merge from submit-queue (batch tested with PRs 38453, 36672, 38629, 34966, 38630) Make kubectl top pod test table-driven
This commit is contained in:
Kubernetes Submit Queue
GitHub
commit
0ac73a823a
@ -18,284 +18,223 @@ package cmd
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import (
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"bytes"
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"fmt"
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"net/http"
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"strings"
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"testing"
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"time"
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"net/url"
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metricsapi "k8s.io/heapster/metrics/apis/metrics/v1alpha1"
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"k8s.io/kubernetes/pkg/api/resource"
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"k8s.io/kubernetes/pkg/api/unversioned"
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v1 "k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/client/restclient/fake"
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cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
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)
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func TestTopPodAllNamespacesMetrics(t *testing.T) {
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initTestErrorHandler(t)
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metrics := testPodMetricsData()
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firstTestNamespace := "testnamespace"
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secondTestNamespace := "secondtestns"
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thirdTestNamespace := "thirdtestns"
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metrics.Items[0].Namespace = firstTestNamespace
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metrics.Items[1].Namespace = secondTestNamespace
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metrics.Items[2].Namespace = thirdTestNamespace
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const (
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topPathPrefix = baseMetricsAddress + "/" + metricsApiVersion
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)
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expectedPath := fmt.Sprintf("%s/%s/pods", baseMetricsAddress, metricsApiVersion)
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = &testPrinter{}
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tf.Client = &fake.RESTClient{
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NegotiatedSerializer: ns,
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Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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switch p, m := req.URL.Path, req.Method; {
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case p == expectedPath && m == "GET":
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body, err := marshallBody(metrics)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: body}, nil
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default:
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t.Fatalf("unexpected request: %#v\nGot URL: %#v\nExpected path: %#v", req, req.URL, expectedPath)
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return nil, nil
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}
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}),
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func TestTopPod(t *testing.T) {
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testNS := "testns"
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testCases := []struct {
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name string
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namespace string
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flags map[string]string
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args []string
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expectedPath string
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expectedQuery string
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namespaces []string
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containers bool
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listsNamespaces bool
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}{
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{
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name: "all namespaces",
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flags: map[string]string{"all-namespaces": "true"},
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expectedPath: topPathPrefix + "/pods",
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namespaces: []string{testNS, "secondtestns", "thirdtestns"},
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listsNamespaces: true,
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},
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{
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name: "all in namespace",
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expectedPath: topPathPrefix + "/namespaces/" + testNS + "/pods",
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namespaces: []string{testNS, testNS},
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},
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{
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name: "pod with name",
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args: []string{"pod1"},
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expectedPath: topPathPrefix + "/namespaces/" + testNS + "/pods/pod1",
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namespaces: []string{testNS},
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},
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{
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name: "pod with label selector",
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flags: map[string]string{"selector": "key=value"},
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expectedPath: topPathPrefix + "/namespaces/" + testNS + "/pods",
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expectedQuery: "labelSelector=" + url.QueryEscape("key=value"),
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namespaces: []string{testNS, testNS},
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},
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{
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name: "pod with container metrics",
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flags: map[string]string{"containers": "true"},
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args: []string{"pod1"},
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expectedPath: topPathPrefix + "/namespaces/" + testNS + "/pods/pod1",
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namespaces: []string{testNS},
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containers: true,
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},
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}
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tf.Namespace = firstTestNamespace
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tf.ClientConfig = defaultClientConfig()
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buf := bytes.NewBuffer([]byte{})
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cmd := NewCmdTopPod(f, buf)
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cmd.Flags().Set("all-namespaces", "true")
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cmd.Run(cmd, []string{})
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// Check the presence of pod names and namespaces in the output.
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result := buf.String()
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for _, m := range metrics.Items {
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if !strings.Contains(result, m.Name) {
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t.Errorf("missing metrics for %s: \n%s", m.Name, result)
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initTestErrorHandler(t)
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for _, testCase := range testCases {
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t.Logf("Running test case: %s", testCase.name)
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metricsList := testPodMetricsData()
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var expectedMetrics []metricsapi.PodMetrics
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var expectedContainerNames, nonExpectedMetricsNames []string
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for n, m := range metricsList {
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if n < len(testCase.namespaces) {
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m.Namespace = testCase.namespaces[n]
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expectedMetrics = append(expectedMetrics, m)
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for _, c := range m.Containers {
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expectedContainerNames = append(expectedContainerNames, c.Name)
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}
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} else {
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nonExpectedMetricsNames = append(nonExpectedMetricsNames, m.Name)
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}
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}
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if !strings.Contains(result, m.Namespace) {
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t.Errorf("missing metrics for %s/%s: \n%s", m.Namespace, m.Name, result)
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var response interface{}
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if len(expectedMetrics) == 1 {
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response = expectedMetrics[0]
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} else {
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response = metricsapi.PodMetricsList{
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ListMeta: unversioned.ListMeta{
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ResourceVersion: "2",
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},
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Items: expectedMetrics,
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}
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}
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = &testPrinter{}
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tf.Client = &fake.RESTClient{
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NegotiatedSerializer: ns,
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Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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switch p, m, q := req.URL.Path, req.Method, req.URL.RawQuery; {
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case p == testCase.expectedPath && m == "GET" && (testCase.expectedQuery == "" || q == testCase.expectedQuery):
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body, err := marshallBody(response)
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if err != nil {
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t.Errorf("%s: unexpected error: %v", testCase.name, err)
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}
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return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: body}, nil
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default:
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t.Fatalf("%s: unexpected request: %#v\nGot URL: %#v\nExpected path: %#v\nExpected query: %#v",
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testCase.name, req, req.URL, testCase.expectedPath, testCase.expectedQuery)
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return nil, nil
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}
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}),
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}
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tf.Namespace = testNS
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tf.ClientConfig = defaultClientConfig()
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buf := bytes.NewBuffer([]byte{})
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cmd := NewCmdTopPod(f, buf)
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for name, value := range testCase.flags {
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cmd.Flags().Set(name, value)
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}
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cmd.Run(cmd, testCase.args)
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// Check the presence of pod names&namespaces/container names in the output.
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result := buf.String()
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if testCase.containers {
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for _, containerName := range expectedContainerNames {
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if !strings.Contains(result, containerName) {
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t.Errorf("%s: missing metrics for container %s: \n%s", testCase.name, containerName, result)
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}
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}
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}
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for _, m := range expectedMetrics {
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if !strings.Contains(result, m.Name) {
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t.Errorf("%s: missing metrics for %s: \n%s", testCase.name, m.Name, result)
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}
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if testCase.listsNamespaces && !strings.Contains(result, m.Namespace) {
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t.Errorf("%s: missing metrics for %s/%s: \n%s", testCase.name, m.Namespace, m.Name, result)
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}
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}
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for _, name := range nonExpectedMetricsNames {
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if strings.Contains(result, name) {
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t.Errorf("%s: unexpected metrics for %s: \n%s", testCase.name, name, result)
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}
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}
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}
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}
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func TestTopPodAllInNamespaceMetrics(t *testing.T) {
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initTestErrorHandler(t)
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metrics := testPodMetricsData()
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testNamespace := "testnamespace"
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nonTestNamespace := "anothernamespace"
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expectedMetrics := metricsapi.PodMetricsList{
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ListMeta: metrics.ListMeta,
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Items: metrics.Items[0:2],
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}
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for _, m := range expectedMetrics.Items {
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m.Namespace = testNamespace
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}
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nonExpectedMetrics := metricsapi.PodMetricsList{
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ListMeta: metrics.ListMeta,
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Items: metrics.Items[2:],
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}
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for _, m := range nonExpectedMetrics.Items {
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m.Namespace = nonTestNamespace
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}
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expectedPath := fmt.Sprintf("%s/%s/namespaces/%s/pods", baseMetricsAddress, metricsApiVersion, testNamespace)
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = &testPrinter{}
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tf.Client = &fake.RESTClient{
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NegotiatedSerializer: ns,
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Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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switch p, m := req.URL.Path, req.Method; {
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case p == expectedPath && m == "GET":
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body, err := marshallBody(expectedMetrics)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: body}, nil
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default:
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t.Fatalf("unexpected request: %#v\nGot URL: %#v\nExpected path: %#v", req, req.URL, expectedPath)
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return nil, nil
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}
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}),
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}
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tf.Namespace = testNamespace
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tf.ClientConfig = defaultClientConfig()
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buf := bytes.NewBuffer([]byte{})
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cmd := NewCmdTopPod(f, buf)
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cmd.Run(cmd, []string{})
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// Check the presence of pod names in the output.
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result := buf.String()
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for _, m := range expectedMetrics.Items {
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if !strings.Contains(result, m.Name) {
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t.Errorf("missing metrics for %s: \n%s", m.Name, result)
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}
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}
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for _, m := range nonExpectedMetrics.Items {
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if strings.Contains(result, m.Name) {
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t.Errorf("unexpected metrics for %s: \n%s", m.Name, result)
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}
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}
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}
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func TestTopPodWithNameMetrics(t *testing.T) {
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initTestErrorHandler(t)
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metrics := testPodMetricsData()
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expectedMetrics := metrics.Items[0]
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nonExpectedMetrics := metricsapi.PodMetricsList{
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ListMeta: metrics.ListMeta,
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Items: metrics.Items[1:],
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}
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testNamespace := "testnamespace"
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expectedMetrics.Namespace = testNamespace
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expectedPath := fmt.Sprintf("%s/%s/namespaces/%s/pods/%s", baseMetricsAddress, metricsApiVersion, testNamespace, expectedMetrics.Name)
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = &testPrinter{}
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tf.Client = &fake.RESTClient{
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NegotiatedSerializer: ns,
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Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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switch p, m := req.URL.Path, req.Method; {
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case p == expectedPath && m == "GET":
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body, err := marshallBody(expectedMetrics)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: body}, nil
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default:
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t.Fatalf("unexpected request: %#v\nGot URL: %#v\nExpected path: %#v", req, req.URL, expectedPath)
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return nil, nil
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}
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}),
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}
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tf.Namespace = testNamespace
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tf.ClientConfig = defaultClientConfig()
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buf := bytes.NewBuffer([]byte{})
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cmd := NewCmdTopPod(f, buf)
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cmd.Run(cmd, []string{expectedMetrics.Name})
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// Check the presence of pod names in the output.
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result := buf.String()
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if !strings.Contains(result, expectedMetrics.Name) {
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t.Errorf("missing metrics for %s: \n%s", expectedMetrics.Name, result)
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}
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for _, m := range nonExpectedMetrics.Items {
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if strings.Contains(result, m.Name) {
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t.Errorf("unexpected metrics for %s: \n%s", m.Name, result)
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}
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}
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}
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func TestTopPodWithLabelSelectorMetrics(t *testing.T) {
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initTestErrorHandler(t)
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metrics := testPodMetricsData()
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expectedMetrics := metricsapi.PodMetricsList{
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ListMeta: metrics.ListMeta,
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Items: metrics.Items[0:2],
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}
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nonExpectedMetrics := metricsapi.PodMetricsList{
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ListMeta: metrics.ListMeta,
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Items: metrics.Items[2:],
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}
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label := "key=value"
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testNamespace := "testnamespace"
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expectedPath := fmt.Sprintf("%s/%s/namespaces/%s/pods", baseMetricsAddress, metricsApiVersion, testNamespace)
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expectedQuery := fmt.Sprintf("labelSelector=%s", url.QueryEscape(label))
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f, tf, _, ns := cmdtesting.NewAPIFactory()
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tf.Printer = &testPrinter{}
|
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tf.Client = &fake.RESTClient{
|
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NegotiatedSerializer: ns,
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Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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switch p, m, q := req.URL.Path, req.Method, req.URL.RawQuery; {
|
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case p == expectedPath && m == "GET" && q == expectedQuery:
|
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body, err := marshallBody(expectedMetrics)
|
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if err != nil {
|
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t.Errorf("unexpected error: %v", err)
|
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}
|
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return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: body}, nil
|
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default:
|
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t.Fatalf("unexpected request: %#v\nGot URL: %#v\nExpected path: %#v", req, req.URL, expectedPath)
|
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return nil, nil
|
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}
|
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}),
|
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}
|
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tf.Namespace = testNamespace
|
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tf.ClientConfig = defaultClientConfig()
|
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buf := bytes.NewBuffer([]byte{})
|
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|
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cmd := NewCmdTopPod(f, buf)
|
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cmd.Flags().Set("selector", label)
|
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cmd.Run(cmd, []string{})
|
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|
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// Check the presence of pod names in the output.
|
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result := buf.String()
|
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for _, m := range expectedMetrics.Items {
|
||||
if !strings.Contains(result, m.Name) {
|
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t.Errorf("missing metrics for %s: \n%s", m.Name, result)
|
||||
}
|
||||
}
|
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for _, m := range nonExpectedMetrics.Items {
|
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if strings.Contains(result, m.Name) {
|
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t.Errorf("unexpected metrics for %s: \n%s", m.Name, result)
|
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}
|
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}
|
||||
}
|
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|
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func TestTopPodWithContainersMetrics(t *testing.T) {
|
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initTestErrorHandler(t)
|
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metrics := testPodMetricsData()
|
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expectedMetrics := metrics.Items[0]
|
||||
nonExpectedMetrics := metricsapi.PodMetricsList{
|
||||
ListMeta: metrics.ListMeta,
|
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Items: metrics.Items[1:],
|
||||
}
|
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testNamespace := "testnamespace"
|
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expectedMetrics.Namespace = testNamespace
|
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expectedPath := fmt.Sprintf("%s/%s/namespaces/%s/pods/%s", baseMetricsAddress, metricsApiVersion, testNamespace, expectedMetrics.Name)
|
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|
||||
f, tf, _, ns := cmdtesting.NewAPIFactory()
|
||||
tf.Printer = &testPrinter{}
|
||||
tf.Client = &fake.RESTClient{
|
||||
NegotiatedSerializer: ns,
|
||||
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
||||
switch p, m := req.URL.Path, req.Method; {
|
||||
case p == expectedPath && m == "GET":
|
||||
body, err := marshallBody(expectedMetrics)
|
||||
if err != nil {
|
||||
t.Errorf("unexpected error: %v", err)
|
||||
}
|
||||
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: body}, nil
|
||||
default:
|
||||
t.Fatalf("unexpected request: %#v\nGot URL: %#v\nExpected path: %#v", req, req.URL, expectedPath)
|
||||
return nil, nil
|
||||
}
|
||||
}),
|
||||
}
|
||||
tf.Namespace = testNamespace
|
||||
tf.ClientConfig = defaultClientConfig()
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
|
||||
cmd := NewCmdTopPod(f, buf)
|
||||
cmd.Flags().Set("containers", "true")
|
||||
cmd.Run(cmd, []string{expectedMetrics.Name})
|
||||
|
||||
// Check the presence of pod names in the output.
|
||||
result := buf.String()
|
||||
if !strings.Contains(result, expectedMetrics.Name) {
|
||||
t.Errorf("missing metrics for %s: \n%s", expectedMetrics.Name, result)
|
||||
}
|
||||
for _, m := range expectedMetrics.Containers {
|
||||
if !strings.Contains(result, m.Name) {
|
||||
t.Errorf("missing metrics for container %s: \n%s", m.Name, result)
|
||||
}
|
||||
}
|
||||
for _, m := range nonExpectedMetrics.Items {
|
||||
if strings.Contains(result, m.Name) {
|
||||
t.Errorf("unexpected metrics for %s: \n%s", m.Name, result)
|
||||
}
|
||||
func testPodMetricsData() []metricsapi.PodMetrics {
|
||||
return []metricsapi.PodMetrics{
|
||||
{
|
||||
ObjectMeta: v1.ObjectMeta{Name: "pod1", Namespace: "test", ResourceVersion: "10"},
|
||||
Window: unversioned.Duration{Duration: time.Minute},
|
||||
Containers: []metricsapi.ContainerMetrics{
|
||||
{
|
||||
Name: "container1-1",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(1, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(2*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(3*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
{
|
||||
Name: "container1-2",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(4, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(5*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(6*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
ObjectMeta: v1.ObjectMeta{Name: "pod2", Namespace: "test", ResourceVersion: "11"},
|
||||
Window: unversioned.Duration{Duration: time.Minute},
|
||||
Containers: []metricsapi.ContainerMetrics{
|
||||
{
|
||||
Name: "container2-1",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(7, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(8*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(9*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
{
|
||||
Name: "container2-2",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(10, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(11*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(12*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
{
|
||||
Name: "container2-3",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(13, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(14*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(15*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
ObjectMeta: v1.ObjectMeta{Name: "pod3", Namespace: "test", ResourceVersion: "12"},
|
||||
Window: unversioned.Duration{Duration: time.Minute},
|
||||
Containers: []metricsapi.ContainerMetrics{
|
||||
{
|
||||
Name: "container3-1",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(7, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(8*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(9*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
@ -115,79 +115,3 @@ func testNodeMetricsData() (*metricsapi.NodeMetricsList, *api.NodeList) {
|
||||
}
|
||||
return metrics, nodes
|
||||
}
|
||||
|
||||
func testPodMetricsData() *metricsapi.PodMetricsList {
|
||||
return &metricsapi.PodMetricsList{
|
||||
ListMeta: unversioned.ListMeta{
|
||||
ResourceVersion: "2",
|
||||
},
|
||||
Items: []metricsapi.PodMetrics{
|
||||
{
|
||||
ObjectMeta: v1.ObjectMeta{Name: "pod1", Namespace: "test", ResourceVersion: "10"},
|
||||
Window: unversioned.Duration{Duration: time.Minute},
|
||||
Containers: []metricsapi.ContainerMetrics{
|
||||
{
|
||||
Name: "container1-1",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(1, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(2*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(3*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
{
|
||||
Name: "container1-2",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(4, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(5*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(6*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
ObjectMeta: v1.ObjectMeta{Name: "pod2", Namespace: "test", ResourceVersion: "11"},
|
||||
Window: unversioned.Duration{Duration: time.Minute},
|
||||
Containers: []metricsapi.ContainerMetrics{
|
||||
{
|
||||
Name: "container2-1",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(7, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(8*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(9*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
{
|
||||
Name: "container2-2",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(10, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(11*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(12*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
{
|
||||
Name: "container2-3",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(13, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(14*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(15*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
ObjectMeta: v1.ObjectMeta{Name: "pod3", Namespace: "test", ResourceVersion: "12"},
|
||||
Window: unversioned.Duration{Duration: time.Minute},
|
||||
Containers: []metricsapi.ContainerMetrics{
|
||||
{
|
||||
Name: "container3-1",
|
||||
Usage: v1.ResourceList{
|
||||
v1.ResourceCPU: *resource.NewMilliQuantity(7, resource.DecimalSI),
|
||||
v1.ResourceMemory: *resource.NewQuantity(8*(1024*1024), resource.DecimalSI),
|
||||
v1.ResourceStorage: *resource.NewQuantity(9*(1024*1024), resource.DecimalSI),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user