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Merge pull request #60208 from soltysh/remove_factory_metricsclient_method
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Remove factory metricsclient method **What this PR does / why we need it**: Alternative approach to https://github.com/kubernetes/kubernetes/pull/60142 which fixed the `NewCmdTopPod` return arguments /assign @deads2k **Release note**: ```release-note None ```
This commit is contained in:
commit
4f083dee54
@ -40,7 +40,6 @@ go_library(
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"//vendor/k8s.io/client-go/kubernetes:go_default_library",
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"//vendor/k8s.io/client-go/rest:go_default_library",
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"//vendor/k8s.io/client-go/rest/fake:go_default_library",
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"//vendor/k8s.io/metrics/pkg/client/clientset_generated/clientset:go_default_library",
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],
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)
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|
@ -49,7 +49,6 @@ import (
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"k8s.io/kubernetes/pkg/kubectl/scheme"
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"k8s.io/kubernetes/pkg/kubectl/validation"
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"k8s.io/kubernetes/pkg/printers"
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metricsclientset "k8s.io/metrics/pkg/client/clientset_generated/clientset"
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)
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// +k8s:deepcopy-gen=true
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@ -245,7 +244,6 @@ type TestFactory struct {
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Command string
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TmpDir string
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CategoryExpander categories.CategoryExpander
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MetricsClientSet metricsclientset.Interface
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ClientForMappingFunc func(mapping *meta.RESTMapping) (resource.RESTClient, error)
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UnstructuredClientForMappingFunc func(mapping *meta.RESTMapping) (resource.RESTClient, error)
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@ -299,10 +297,6 @@ func (f *FakeFactory) KubernetesClientSet() (*kubernetes.Clientset, error) {
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return nil, nil
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}
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func (f *FakeFactory) MetricsClientSet() (metricsclientset.Interface, error) {
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return f.tf.MetricsClientSet, f.tf.Err
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}
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func (f *FakeFactory) ClientSet() (internalclientset.Interface, error) {
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return nil, nil
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}
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@ -548,10 +542,6 @@ func (f *fakeAPIFactory) KubernetesClientSet() (*kubernetes.Clientset, error) {
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return clientset, f.tf.Err
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}
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func (f *fakeAPIFactory) MetricsClientSet() (metricsclientset.Interface, error) {
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return f.tf.MetricsClientSet, f.tf.Err
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}
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func (f *fakeAPIFactory) ClientSet() (internalclientset.Interface, error) {
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// Swap the HTTP client out of the REST client with the fake
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// version.
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@ -54,6 +54,7 @@ func NewCmdTop(f cmdutil.Factory, out, errOut io.Writer) *cobra.Command {
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// create subcommands
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cmd.AddCommand(NewCmdTopNode(f, nil, out))
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cmd.AddCommand(NewCmdTopPod(f, nil, out))
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return cmd
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}
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|
@ -131,7 +131,12 @@ func (o *TopNodeOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []
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}
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o.DiscoveryClient = clientset.DiscoveryClient
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o.MetricsClient, err = f.MetricsClientSet()
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config, err := f.ClientConfig()
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if err != nil {
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return err
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}
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o.MetricsClient, err = metricsclientset.NewForConfig(config)
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if err != nil {
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return err
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}
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|
@ -303,13 +303,25 @@ func TestTopNodeAllMetricsFromMetricsServer(t *testing.T) {
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fakemetricsClientset.AddReactor("list", "nodes", func(action core.Action) (handled bool, ret runtime.Object, err error) {
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return true, expectedMetrics, nil
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})
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tf.MetricsClientSet = fakemetricsClientset
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tf.Namespace = "test"
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tf.ClientConfig = defaultClientConfig()
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buf := bytes.NewBuffer([]byte{})
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cmd := NewCmdTopNode(f, nil, buf)
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cmd.Run(cmd, []string{})
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// TODO in the long run, we want to test most of our commands like this. Wire the options struct with specific mocks
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// TODO then check the particular Run functionality and harvest results from fake clients
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cmdOptions := &TopNodeOptions{}
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if err := cmdOptions.Complete(f, cmd, []string{}, buf); err != nil {
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t.Fatal(err)
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}
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cmdOptions.MetricsClient = fakemetricsClientset
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if err := cmdOptions.Validate(); err != nil {
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t.Fatal(err)
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}
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if err := cmdOptions.RunTopNode(); err != nil {
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t.Fatal(err)
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}
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// Check the presence of node names in the output.
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result := buf.String()
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@ -355,13 +367,25 @@ func TestTopNodeWithNameMetricsFromMetricsServer(t *testing.T) {
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fakemetricsClientset.AddReactor("get", "nodes", func(action core.Action) (handled bool, ret runtime.Object, err error) {
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return true, &expectedMetrics, nil
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})
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tf.MetricsClientSet = fakemetricsClientset
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tf.Namespace = "test"
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tf.ClientConfig = defaultClientConfig()
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buf := bytes.NewBuffer([]byte{})
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cmd := NewCmdTopNode(f, nil, buf)
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cmd.Run(cmd, []string{expectedMetrics.Name})
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// TODO in the long run, we want to test most of our commands like this. Wire the options struct with specific mocks
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// TODO then check the particular Run functionality and harvest results from fake clients
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cmdOptions := &TopNodeOptions{}
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if err := cmdOptions.Complete(f, cmd, []string{expectedMetrics.Name}, buf); err != nil {
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t.Fatal(err)
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}
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cmdOptions.MetricsClient = fakemetricsClientset
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if err := cmdOptions.Validate(); err != nil {
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t.Fatal(err)
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}
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if err := cmdOptions.RunTopNode(); err != nil {
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t.Fatal(err)
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}
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// Check the presence of node names in the output.
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result := buf.String()
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@ -418,14 +442,26 @@ func TestTopNodeWithLabelSelectorMetricsFromMetricsServer(t *testing.T) {
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fakemetricsClientset.AddReactor("list", "nodes", func(action core.Action) (handled bool, ret runtime.Object, err error) {
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return true, expectedMetrics, nil
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})
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tf.MetricsClientSet = fakemetricsClientset
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tf.Namespace = "test"
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tf.ClientConfig = defaultClientConfig()
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buf := bytes.NewBuffer([]byte{})
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cmd := NewCmdTopNode(f, nil, buf)
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cmd.Flags().Set("selector", label)
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cmd.Run(cmd, []string{})
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// TODO in the long run, we want to test most of our commands like this. Wire the options struct with specific mocks
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// TODO then check the particular Run functionality and harvest results from fake clients
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cmdOptions := &TopNodeOptions{}
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if err := cmdOptions.Complete(f, cmd, []string{}, buf); err != nil {
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t.Fatal(err)
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}
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cmdOptions.MetricsClient = fakemetricsClientset
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if err := cmdOptions.Validate(); err != nil {
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t.Fatal(err)
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}
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if err := cmdOptions.RunTopNode(); err != nil {
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t.Fatal(err)
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}
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// Check the presence of node names in the output.
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result := buf.String()
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@ -127,7 +127,11 @@ func (o *TopPodOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []s
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}
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o.DiscoveryClient = clientset.DiscoveryClient
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o.MetricsClient, err = f.MetricsClientSet()
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config, err := f.ClientConfig()
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if err != nil {
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return err
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}
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o.MetricsClient, err = metricsclientset.NewForConfig(config)
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if err != nil {
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return err
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}
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|
@ -226,7 +226,7 @@ func TestTopPodWithMetricsServer(t *testing.T) {
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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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options *TopPodOptions
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args []string
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expectedPath string
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expectedQuery string
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@ -236,7 +236,7 @@ func TestTopPodWithMetricsServer(t *testing.T) {
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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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options: &TopPodOptions{AllNamespaces: true},
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expectedPath: topMetricsAPIPathPrefix + "/pods",
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namespaces: []string{testNS, "secondtestns", "thirdtestns"},
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listsNamespaces: true,
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@ -254,14 +254,14 @@ func TestTopPodWithMetricsServer(t *testing.T) {
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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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options: &TopPodOptions{Selector: "key=value"},
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expectedPath: topMetricsAPIPathPrefix + "/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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options: &TopPodOptions{PrintContainers: true},
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args: []string{"pod1"},
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expectedPath: topMetricsAPIPathPrefix + "/namespaces/" + testNS + "/pods/pod1",
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namespaces: []string{testNS},
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@ -270,91 +270,106 @@ func TestTopPodWithMetricsServer(t *testing.T) {
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}
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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 := testV1beta1PodMetricsData()
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var expectedMetrics []metricsv1beta1api.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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t.Run(testCase.name, func(t *testing.T) {
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metricsList := testV1beta1PodMetricsData()
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var expectedMetrics []metricsv1beta1api.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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fakemetricsClientset := &metricsfake.Clientset{}
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if len(expectedMetrics) == 1 {
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fakemetricsClientset.AddReactor("get", "pods", func(action core.Action) (handled bool, ret runtime.Object, err error) {
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return true, &expectedMetrics[0], nil
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})
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} else {
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nonExpectedMetricsNames = append(nonExpectedMetricsNames, m.Name)
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fakemetricsClientset.AddReactor("list", "pods", func(action core.Action) (handled bool, ret runtime.Object, err error) {
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res := &metricsv1beta1api.PodMetricsList{
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ListMeta: metav1.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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return true, res, nil
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})
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}
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}
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|
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fakemetricsClientset := &metricsfake.Clientset{}
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f, tf := cmdtesting.NewAPIFactory()
|
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ns := legacyscheme.Codecs
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|
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if len(expectedMetrics) == 1 {
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fakemetricsClientset.AddReactor("get", "pods", func(action core.Action) (handled bool, ret runtime.Object, err error) {
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return true, &expectedMetrics[0], nil
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})
|
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} else {
|
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fakemetricsClientset.AddReactor("list", "pods", func(action core.Action) (handled bool, ret runtime.Object, err error) {
|
||||
res := &metricsv1beta1api.PodMetricsList{
|
||||
ListMeta: metav1.ListMeta{
|
||||
ResourceVersion: "2",
|
||||
},
|
||||
Items: expectedMetrics,
|
||||
}
|
||||
return true, res, nil
|
||||
})
|
||||
}
|
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tf.Client = &fake.RESTClient{
|
||||
NegotiatedSerializer: ns,
|
||||
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
||||
switch p := req.URL.Path; {
|
||||
case p == "/api":
|
||||
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: ioutil.NopCloser(bytes.NewReader([]byte(apibody)))}, nil
|
||||
case p == "/apis":
|
||||
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: ioutil.NopCloser(bytes.NewReader([]byte(apisbodyWithMetrics)))}, nil
|
||||
default:
|
||||
t.Fatalf("%s: unexpected request: %#v\nGot URL: %#v",
|
||||
testCase.name, req, req.URL)
|
||||
return nil, nil
|
||||
}
|
||||
}),
|
||||
}
|
||||
tf.Namespace = testNS
|
||||
tf.ClientConfig = defaultClientConfig()
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
|
||||
f, tf := cmdtesting.NewAPIFactory()
|
||||
ns := legacyscheme.Codecs
|
||||
cmd := NewCmdTopPod(f, nil, buf)
|
||||
var cmdOptions *TopPodOptions
|
||||
if testCase.options != nil {
|
||||
cmdOptions = testCase.options
|
||||
} else {
|
||||
cmdOptions = &TopPodOptions{}
|
||||
}
|
||||
|
||||
tf.Client = &fake.RESTClient{
|
||||
NegotiatedSerializer: ns,
|
||||
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
|
||||
switch p := req.URL.Path; {
|
||||
case p == "/api":
|
||||
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: ioutil.NopCloser(bytes.NewReader([]byte(apibody)))}, nil
|
||||
case p == "/apis":
|
||||
return &http.Response{StatusCode: 200, Header: defaultHeader(), Body: ioutil.NopCloser(bytes.NewReader([]byte(apisbodyWithMetrics)))}, nil
|
||||
default:
|
||||
t.Fatalf("%s: unexpected request: %#v\nGot URL: %#v",
|
||||
testCase.name, req, req.URL)
|
||||
return nil, nil
|
||||
}
|
||||
}),
|
||||
}
|
||||
tf.MetricsClientSet = fakemetricsClientset
|
||||
tf.Namespace = testNS
|
||||
tf.ClientConfig = defaultClientConfig()
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
// TODO in the long run, we want to test most of our commands like this. Wire the options struct with specific mocks
|
||||
// TODO then check the particular Run functionality and harvest results from fake clients. We probably end up skipping the factory altogether.
|
||||
if err := cmdOptions.Complete(f, cmd, testCase.args, buf); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
cmdOptions.MetricsClient = fakemetricsClientset
|
||||
if err := cmdOptions.Validate(); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if err := cmdOptions.RunTopPod(); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
cmd := NewCmdTopPod(f, nil, 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)
|
||||
// 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("missing metrics for container %s: \n%s", 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)
|
||||
for _, m := range expectedMetrics {
|
||||
if !strings.Contains(result, m.Name) {
|
||||
t.Errorf("missing metrics for %s: \n%s", m.Name, result)
|
||||
}
|
||||
if testCase.listsNamespaces && !strings.Contains(result, m.Namespace) {
|
||||
t.Errorf("missing metrics for %s/%s: \n%s", m.Namespace, 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("unexpected metrics for %s: \n%s", name, result)
|
||||
}
|
||||
}
|
||||
}
|
||||
for _, name := range nonExpectedMetricsNames {
|
||||
if strings.Contains(result, name) {
|
||||
t.Errorf("%s: unexpected metrics for %s: \n%s", testCase.name, name, result)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -81,7 +81,6 @@ go_library(
|
||||
"//vendor/k8s.io/client-go/scale:go_default_library",
|
||||
"//vendor/k8s.io/client-go/tools/clientcmd:go_default_library",
|
||||
"//vendor/k8s.io/client-go/util/homedir:go_default_library",
|
||||
"//vendor/k8s.io/metrics/pkg/client/clientset_generated/clientset:go_default_library",
|
||||
"//vendor/k8s.io/utils/exec:go_default_library",
|
||||
],
|
||||
)
|
||||
|
@ -27,7 +27,6 @@ import (
|
||||
"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
|
||||
oldclient "k8s.io/kubernetes/pkg/client/unversioned"
|
||||
"k8s.io/kubernetes/pkg/version"
|
||||
metricsclientset "k8s.io/metrics/pkg/client/clientset_generated/clientset"
|
||||
)
|
||||
|
||||
func NewClientCache(loader clientcmd.ClientConfig, discoveryClientFactory DiscoveryClientFactory) *ClientCache {
|
||||
@ -59,7 +58,6 @@ type ClientCache struct {
|
||||
discoveryClient discovery.DiscoveryInterface
|
||||
|
||||
kubernetesClientCache kubernetesClientCache
|
||||
metricsClientCache metricsClientCache
|
||||
}
|
||||
|
||||
// kubernetesClientCache creates a new kubernetes.Clientset one time
|
||||
@ -73,17 +71,6 @@ type kubernetesClientCache struct {
|
||||
err error
|
||||
}
|
||||
|
||||
// metricsClientCache creates a new metricsclientset.Clientset one time
|
||||
// and then returns the result for all future requests
|
||||
type metricsClientCache struct {
|
||||
// once makes sure the client is only initialized once
|
||||
once sync.Once
|
||||
// client is the cached client value
|
||||
client *metricsclientset.Clientset
|
||||
// err is the cached error value
|
||||
err error
|
||||
}
|
||||
|
||||
// KubernetesClientSetForVersion returns a new kubernetes.Clientset. It will cache the value
|
||||
// the first time it is called and return the cached value on subsequent calls.
|
||||
// If an error is encountered the first time KubernetesClientSetForVersion is called,
|
||||
@ -100,22 +87,6 @@ func (c *ClientCache) KubernetesClientSetForVersion(requiredVersion *schema.Grou
|
||||
return c.kubernetesClientCache.client, c.kubernetesClientCache.err
|
||||
}
|
||||
|
||||
// MetricsClientSetForVersion returns a new kubernetes.Clientset. It will cache the value
|
||||
// the first time it is called and return the cached value on subsequent calls.
|
||||
// If an error is encountered the first time MetircsClientSetForVersion is called,
|
||||
// the error will be cached.
|
||||
func (c *ClientCache) MetricsClientSetForVersion(requiredVersion *schema.GroupVersion) (*metricsclientset.Clientset, error) {
|
||||
c.metricsClientCache.once.Do(func() {
|
||||
config, err := c.ClientConfigForVersion(requiredVersion)
|
||||
if err != nil {
|
||||
c.kubernetesClientCache.err = err
|
||||
return
|
||||
}
|
||||
c.metricsClientCache.client, c.metricsClientCache.err = metricsclientset.NewForConfig(config)
|
||||
})
|
||||
return c.metricsClientCache.client, c.metricsClientCache.err
|
||||
}
|
||||
|
||||
// also looks up the discovery client. We can't do this during init because the flags won't have been set
|
||||
// because this is constructed pre-command execution before the command tree is
|
||||
// even set up. Requires the lock to already be acquired
|
||||
|
@ -47,7 +47,6 @@ import (
|
||||
"k8s.io/kubernetes/pkg/kubectl/resource"
|
||||
"k8s.io/kubernetes/pkg/kubectl/validation"
|
||||
"k8s.io/kubernetes/pkg/printers"
|
||||
metricsclientset "k8s.io/metrics/pkg/client/clientset_generated/clientset"
|
||||
)
|
||||
|
||||
const (
|
||||
@ -95,9 +94,6 @@ type ClientAccessFactory interface {
|
||||
// KubernetesClientSet gives you back an external clientset
|
||||
KubernetesClientSet() (*kubernetes.Clientset, error)
|
||||
|
||||
// MetricsClientSet gives you back an external clientset for the metrics API
|
||||
MetricsClientSet() (metricsclientset.Interface, error)
|
||||
|
||||
// Returns a RESTClient for accessing Kubernetes resources or an error.
|
||||
RESTClient() (*restclient.RESTClient, error)
|
||||
// Returns a client.Config for accessing the Kubernetes server.
|
||||
|
@ -31,7 +31,6 @@ import (
|
||||
"time"
|
||||
|
||||
"k8s.io/api/core/v1"
|
||||
metricsclientset "k8s.io/metrics/pkg/client/clientset_generated/clientset"
|
||||
|
||||
"github.com/spf13/cobra"
|
||||
"github.com/spf13/pflag"
|
||||
@ -200,10 +199,6 @@ func (f *ring0Factory) KubernetesClientSet() (*kubernetes.Clientset, error) {
|
||||
return f.clientCache.KubernetesClientSetForVersion(nil)
|
||||
}
|
||||
|
||||
func (f *ring0Factory) MetricsClientSet() (metricsclientset.Interface, error) {
|
||||
return f.clientCache.MetricsClientSetForVersion(nil)
|
||||
}
|
||||
|
||||
func (f *ring0Factory) ClientSet() (internalclientset.Interface, error) {
|
||||
return f.clientCache.ClientSetForVersion(nil)
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user