How to use Metrics method of v1 Package

Best K6 code snippet using v1.Metrics

metrics_printer.go

Source:metrics_printer.go

...29	PodColumns      = []string{"NAME", "CPU(cores)", "MEMORY(bytes)"}30	NamespaceColumn = "NAMESPACE"31	PodColumn       = "POD"32)33type ResourceMetricsInfo struct {34	Name      string35	Metrics   v1.ResourceList36	Available v1.ResourceList37}38type TopCmdPrinter struct {39	out io.Writer40}41func NewTopCmdPrinter(out io.Writer) *TopCmdPrinter {42	return &TopCmdPrinter{out: out}43}44type NodeMetricsSorter struct {45	metrics []metricsapi.NodeMetrics46	sortBy  string47	usages  []v1.ResourceList48}49func (n *NodeMetricsSorter) Len() int {50	return len(n.metrics)51}52func (n *NodeMetricsSorter) Swap(i, j int) {53	n.metrics[i], n.metrics[j] = n.metrics[j], n.metrics[i]54	n.usages[i], n.usages[j] = n.usages[j], n.usages[i]55}56func (n *NodeMetricsSorter) Less(i, j int) bool {57	switch n.sortBy {58	case "cpu":59		qi := n.usages[i][v1.ResourceCPU]60		qj := n.usages[j][v1.ResourceCPU]61		return qi.MilliValue() > qj.MilliValue()62	case "memory":63		qi := n.usages[i][v1.ResourceMemory]64		qj := n.usages[j][v1.ResourceMemory]65		return qi.Value() > qj.Value()66	default:67		return n.metrics[i].Name < n.metrics[j].Name68	}69}70func NewNodeMetricsSorter(metrics []metricsapi.NodeMetrics, sortBy string) (*NodeMetricsSorter, error) {71	var usages = make([]v1.ResourceList, len(metrics))72	if len(sortBy) > 0 {73		for i, v := range metrics {74			v.Usage.DeepCopyInto(&usages[i])75		}76	}77	return &NodeMetricsSorter{78		metrics: metrics,79		sortBy:  sortBy,80		usages:  usages,81	}, nil82}83type PodMetricsSorter struct {84	metrics       []metricsapi.PodMetrics85	sortBy        string86	withNamespace bool87	podMetrics    []v1.ResourceList88}89func (p *PodMetricsSorter) Len() int {90	return len(p.metrics)91}92func (p *PodMetricsSorter) Swap(i, j int) {93	p.metrics[i], p.metrics[j] = p.metrics[j], p.metrics[i]94	p.podMetrics[i], p.podMetrics[j] = p.podMetrics[j], p.podMetrics[i]95}96func (p *PodMetricsSorter) Less(i, j int) bool {97	switch p.sortBy {98	case "cpu":99		qi := p.podMetrics[i][v1.ResourceCPU]100		qj := p.podMetrics[j][v1.ResourceCPU]101		return qi.MilliValue() > qj.MilliValue()102	case "memory":103		qi := p.podMetrics[i][v1.ResourceMemory]104		qj := p.podMetrics[j][v1.ResourceMemory]105		return qi.Value() > qj.Value()106	default:107		if p.withNamespace && p.metrics[i].Namespace != p.metrics[j].Namespace {108			return p.metrics[i].Namespace < p.metrics[j].Namespace109		}110		return p.metrics[i].Name < p.metrics[j].Name111	}112}113func NewPodMetricsSorter(metrics []metricsapi.PodMetrics, printContainers bool, withNamespace bool, sortBy string) (*PodMetricsSorter, error) {114	var podMetrics = make([]v1.ResourceList, len(metrics))115	if len(sortBy) > 0 {116		for i, v := range metrics {117			podMetrics[i], _, _ = getPodMetrics(&v, printContainers)118		}119	}120	return &PodMetricsSorter{121		metrics:       metrics,122		sortBy:        sortBy,123		withNamespace: withNamespace,124		podMetrics:    podMetrics,125	}, nil126}127func (printer *TopCmdPrinter) PrintNodeMetrics(metrics []metricsapi.NodeMetrics, availableResources map[string]v1.ResourceList, noHeaders bool, sortBy string) error {128	if len(metrics) == 0 {129		return nil130	}131	w := printers.GetNewTabWriter(printer.out)132	defer w.Flush()133	n, err := NewNodeMetricsSorter(metrics, sortBy)134	if err != nil {135		return err136	}137	sort.Sort(n)138	if !noHeaders {139		printColumnNames(w, NodeColumns)140	}141	var usage v1.ResourceList142	for _, m := range metrics {143		m.Usage.DeepCopyInto(&usage)144		printMetricsLine(w, &ResourceMetricsInfo{145			Name:      m.Name,146			Metrics:   usage,147			Available: availableResources[m.Name],148		})149		delete(availableResources, m.Name)150	}151	// print lines for nodes of which the metrics is unreachable.152	for nodeName := range availableResources {153		printMissingMetricsNodeLine(w, nodeName)154	}155	return nil156}157func (printer *TopCmdPrinter) PrintPodMetrics(metrics []metricsapi.PodMetrics, printContainers bool, withNamespace bool, noHeaders bool, sortBy string) error {158	if len(metrics) == 0 {159		return nil160	}161	w := printers.GetNewTabWriter(printer.out)162	defer w.Flush()163	if !noHeaders {164		if withNamespace {165			printValue(w, NamespaceColumn)166		}167		if printContainers {168			printValue(w, PodColumn)169		}170		printColumnNames(w, PodColumns)171	}172	p, err := NewPodMetricsSorter(metrics, printContainers, withNamespace, sortBy)173	if err != nil {174		return err175	}176	sort.Sort(p)177	for _, m := range metrics {178		err := printSinglePodMetrics(w, &m, printContainers, withNamespace)179		if err != nil {180			return err181		}182	}183	return nil184}185func printColumnNames(out io.Writer, names []string) {186	for _, name := range names {187		printValue(out, name)188	}189	fmt.Fprint(out, "\n")190}191func printSinglePodMetrics(out io.Writer, m *metricsapi.PodMetrics, printContainersOnly bool, withNamespace bool) error {192	podMetrics, containers, err := getPodMetrics(m, printContainersOnly)193	if err != nil {194		return err195	}196	if printContainersOnly {197		for contName := range containers {198			if withNamespace {199				printValue(out, m.Namespace)200			}201			printValue(out, m.Name)202			printMetricsLine(out, &ResourceMetricsInfo{203				Name:      contName,204				Metrics:   containers[contName],205				Available: v1.ResourceList{},206			})207		}208	} else {209		if withNamespace {210			printValue(out, m.Namespace)211		}212		printMetricsLine(out, &ResourceMetricsInfo{213			Name:      m.Name,214			Metrics:   podMetrics,215			Available: v1.ResourceList{},216		})217	}218	return nil219}220func getPodMetrics(m *metricsapi.PodMetrics, printContainersOnly bool) (v1.ResourceList, map[string]v1.ResourceList, error) {221	containers := make(map[string]v1.ResourceList)222	podMetrics := make(v1.ResourceList)223	for _, res := range MeasuredResources {224		podMetrics[res], _ = resource.ParseQuantity("0")225	}226	var usage v1.ResourceList227	for _, c := range m.Containers {228		c.Usage.DeepCopyInto(&usage)229		containers[c.Name] = usage230		if !printContainersOnly {231			for _, res := range MeasuredResources {232				quantity := podMetrics[res]233				quantity.Add(usage[res])234				podMetrics[res] = quantity235			}236		}237	}238	return podMetrics, containers, nil239}240func printMetricsLine(out io.Writer, metrics *ResourceMetricsInfo) {241	printValue(out, metrics.Name)242	printAllResourceUsages(out, metrics)243	fmt.Fprint(out, "\n")244}245func printMissingMetricsNodeLine(out io.Writer, nodeName string) {246	printValue(out, nodeName)247	unknownMetricsStatus := "<unknown>"248	for i := 0; i < len(MeasuredResources); i++ {249		printValue(out, unknownMetricsStatus)250		printValue(out, "\t")251		printValue(out, unknownMetricsStatus)252		printValue(out, "\t")253	}254	fmt.Fprint(out, "\n")255}256func printValue(out io.Writer, value interface{}) {257	fmt.Fprintf(out, "%v\t", value)258}259func printAllResourceUsages(out io.Writer, metrics *ResourceMetricsInfo) {260	for _, res := range MeasuredResources {261		quantity := metrics.Metrics[res]262		printSingleResourceUsage(out, res, quantity)263		fmt.Fprint(out, "\t")264		if available, found := metrics.Available[res]; found {265			fraction := float64(quantity.MilliValue()) / float64(available.MilliValue()) * 100266			fmt.Fprintf(out, "%d%%\t", int64(fraction))267		}268	}269}270func printSingleResourceUsage(out io.Writer, resourceType v1.ResourceName, quantity resource.Quantity) {271	switch resourceType {272	case v1.ResourceCPU:273		fmt.Fprintf(out, "%vm", quantity.MilliValue())274	case v1.ResourceMemory:275		fmt.Fprintf(out, "%vMi", quantity.Value()/(1024*1024))...

metricsconfiguration.go

Source:metricsconfiguration.go

...21	types "k8s.io/apimachinery/pkg/types"22	watch "k8s.io/apimachinery/pkg/watch"23	rest "k8s.io/client-go/rest"24)25// MetricsConfigurationsGetter has a method to return a MetricsConfigurationInterface.26// A group's client should implement this interface.27type MetricsConfigurationsGetter interface {28	MetricsConfigurations() MetricsConfigurationInterface29}30// MetricsConfigurationInterface has methods to work with MetricsConfiguration resources.31type MetricsConfigurationInterface interface {32	Create(ctx context.Context, metricsConfiguration *v1alpha1.MetricsConfiguration, opts v1.CreateOptions) (*v1alpha1.MetricsConfiguration, error)33	Update(ctx context.Context, metricsConfiguration *v1alpha1.MetricsConfiguration, opts v1.UpdateOptions) (*v1alpha1.MetricsConfiguration, error)34	Delete(ctx context.Context, name string, opts v1.DeleteOptions) error35	DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error36	Get(ctx context.Context, name string, opts v1.GetOptions) (*v1alpha1.MetricsConfiguration, error)37	List(ctx context.Context, opts v1.ListOptions) (*v1alpha1.MetricsConfigurationList, error)38	Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error)39	Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.MetricsConfiguration, err error)40	MetricsConfigurationExpansion41}42// metricsConfigurations implements MetricsConfigurationInterface43type metricsConfigurations struct {44	client rest.Interface45}46// newMetricsConfigurations returns a MetricsConfigurations47func newMetricsConfigurations(c *MetricsV1alpha1Client) *metricsConfigurations {48	return &metricsConfigurations{49		client: c.RESTClient(),50	}51}52// Get takes name of the metricsConfiguration, and returns the corresponding metricsConfiguration object, and an error if there is any.53func (c *metricsConfigurations) Get(ctx context.Context, name string, options v1.GetOptions) (result *v1alpha1.MetricsConfiguration, err error) {54	result = &v1alpha1.MetricsConfiguration{}55	err = c.client.Get().56		Resource("metricsconfigurations").57		Name(name).58		VersionedParams(&options, scheme.ParameterCodec).59		Do(ctx).60		Into(result)61	return62}63// List takes label and field selectors, and returns the list of MetricsConfigurations that match those selectors.64func (c *metricsConfigurations) List(ctx context.Context, opts v1.ListOptions) (result *v1alpha1.MetricsConfigurationList, err error) {65	var timeout time.Duration66	if opts.TimeoutSeconds != nil {67		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second68	}69	result = &v1alpha1.MetricsConfigurationList{}70	err = c.client.Get().71		Resource("metricsconfigurations").72		VersionedParams(&opts, scheme.ParameterCodec).73		Timeout(timeout).74		Do(ctx).75		Into(result)76	return77}78// Watch returns a watch.Interface that watches the requested metricsConfigurations.79func (c *metricsConfigurations) Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error) {80	var timeout time.Duration81	if opts.TimeoutSeconds != nil {82		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second83	}84	opts.Watch = true85	return c.client.Get().86		Resource("metricsconfigurations").87		VersionedParams(&opts, scheme.ParameterCodec).88		Timeout(timeout).89		Watch(ctx)90}91// Create takes the representation of a metricsConfiguration and creates it.  Returns the server's representation of the metricsConfiguration, and an error, if there is any.92func (c *metricsConfigurations) Create(ctx context.Context, metricsConfiguration *v1alpha1.MetricsConfiguration, opts v1.CreateOptions) (result *v1alpha1.MetricsConfiguration, err error) {93	result = &v1alpha1.MetricsConfiguration{}94	err = c.client.Post().95		Resource("metricsconfigurations").96		VersionedParams(&opts, scheme.ParameterCodec).97		Body(metricsConfiguration).98		Do(ctx).99		Into(result)100	return101}102// Update takes the representation of a metricsConfiguration and updates it. Returns the server's representation of the metricsConfiguration, and an error, if there is any.103func (c *metricsConfigurations) Update(ctx context.Context, metricsConfiguration *v1alpha1.MetricsConfiguration, opts v1.UpdateOptions) (result *v1alpha1.MetricsConfiguration, err error) {104	result = &v1alpha1.MetricsConfiguration{}105	err = c.client.Put().106		Resource("metricsconfigurations").107		Name(metricsConfiguration.Name).108		VersionedParams(&opts, scheme.ParameterCodec).109		Body(metricsConfiguration).110		Do(ctx).111		Into(result)112	return113}114// Delete takes name of the metricsConfiguration and deletes it. Returns an error if one occurs.115func (c *metricsConfigurations) Delete(ctx context.Context, name string, opts v1.DeleteOptions) error {116	return c.client.Delete().117		Resource("metricsconfigurations").118		Name(name).119		Body(&opts).120		Do(ctx).121		Error()122}123// DeleteCollection deletes a collection of objects.124func (c *metricsConfigurations) DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error {125	var timeout time.Duration126	if listOpts.TimeoutSeconds != nil {127		timeout = time.Duration(*listOpts.TimeoutSeconds) * time.Second128	}129	return c.client.Delete().130		Resource("metricsconfigurations").131		VersionedParams(&listOpts, scheme.ParameterCodec).132		Timeout(timeout).133		Body(&opts).134		Do(ctx).135		Error()136}137// Patch applies the patch and returns the patched metricsConfiguration.138func (c *metricsConfigurations) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.MetricsConfiguration, err error) {139	result = &v1alpha1.MetricsConfiguration{}140	err = c.client.Patch(pt).141		Resource("metricsconfigurations").142		Name(name).143		SubResource(subresources...).144		VersionedParams(&opts, scheme.ParameterCodec).145		Body(data).146		Do(ctx).147		Into(result)148	return149}...

Metrics

Using AI Code Generation

1import (2func main() {3	http.Handle("/metrics", promhttp.Handler())4	http.HandleFunc("/hello", hello)5	http.ListenAndServe(":8080", nil)6}7func hello(w http.ResponseWriter, r *http.Request) {8	fmt.Fprintf(w, "Hello World")9}10import (11func main() {12	http.Handle("/metrics", promhttp.Handler())13	http.HandleFunc("/hello", hello)14	http.ListenAndServe(":8080", nil)15}16func hello(w http.ResponseWriter, r *http.Request) {17	fmt.Fprintf(w, "Hello World")18}19import (20func main() {21	r := prometheus.NewRegistry()22	r.MustRegister(prometheus.NewGoCollector())23	r.MustRegister(prometheus.NewProcessCollector(prometheus.ProcessCollectorOpts{}))24	http.Handle("/metrics", promhttp.HandlerFor(r, promhttp.HandlerOpts{}))25	http.HandleFunc("/hello", hello)26	http.ListenAndServe(":8080", nil)27}28func hello(w http.ResponseWriter, r *http.Request) {29	fmt.Fprintf(w, "Hello World")30}31import (32func main() {33	r := prometheus.NewRegistry()34	r.MustRegister(prometheus.NewGoCollector())35	r.MustRegister(prometheus.NewProcessCollector(prometheus.ProcessCollectorOpts{}))36	r.MustRegister(promauto.NewCounter(prometheus.CounterOpts{

Metrics

Using AI Code Generation

1import (2var (3	opsProcessed = promauto.NewCounter(prometheus.CounterOpts{4	})5func main() {6	http.Handle("/metrics", promhttp.Handler())7	go func() {8		for {9			opsProcessed.Inc()10		}11	}()12	http.ListenAndServe(":8080", nil)13}

Metrics

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", handler)4	log.Fatal(http.ListenAndServe(":8080", nil))5}6func handler(w http.ResponseWriter, r *http.Request) {7	fmt.Fprintf(w, "Hello, %q", r.URL.Path)8}9func init() {10	go func() {11		for {12			time.Sleep(5 * time.Second)13			fmt.Println("Metrics")14		}15	}()16}17import (18func main() {19	http.HandleFunc("/", handler)20	log.Fatal(http.ListenAndServe(":8080", nil))21}22func handler(w http.ResponseWriter, r *http.Request) {23	fmt.Fprintf(w, "Hello, %q", r.URL.Path)24}25func init() {26	go func() {27		for {28			time.Sleep(5 * time.Second)29			fmt.Println("Metrics")30		}31	}()32}33import (34func main() {35	http.HandleFunc("/", handler)36	log.Fatal(http.ListenAndServe(":8080", nil))37}38func handler(w http.ResponseWriter, r *http.Request) {39	fmt.Fprintf(w, "Hello, %q", r.URL.Path)40}41func init() {42	go func() {43		for {44			time.Sleep(5 * time.Second)45			fmt.Println("Metrics")46		}47	}()48}49import (50func main() {51	http.HandleFunc("/", handler)52	log.Fatal(http.ListenAndServe(":8080", nil))53}54func handler(w http.ResponseWriter, r *http.Request) {55	fmt.Fprintf(w, "Hello, %q", r.URL.Path)56}57func init() {58	go func() {59		for {

Metrics

Using AI Code Generation

1import (2func main() {3 fmt.Println(v1.Metrics())4 fmt.Println(v2.Metrics())5 fmt.Println(v3.Metrics())6}

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