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How to use Has method of metrics Package

Best K6 code snippet using metrics.Has

accumulator.go

Source:accumulator.go

...207		}208	}209	return nil, false210}211func (a *Accumulator) HasTag(measurement string, key string) bool {212	for _, p := range a.Metrics {213		if p.Measurement == measurement {214			_, ok := p.Tags[key]215			return ok216		}217	}218	return false219}220func (a *Accumulator) TagValue(measurement string, key string) string {221	for _, p := range a.Metrics {222		if p.Measurement == measurement {223			v, ok := p.Tags[key]224			if !ok {225				return ""226			}227			return v228		}229	}230	return ""231}232// Calls the given Gather function and returns the first error found.233func (a *Accumulator) GatherError(gf func(telegraf.Accumulator) error) error {234	if err := gf(a); err != nil {235		return err236	}237	if len(a.Errors) > 0 {238		return a.Errors[0]239	}240	return nil241}242// NFields returns the total number of fields in the accumulator, across all243// measurements244func (a *Accumulator) NFields() int {245	a.Lock()246	defer a.Unlock()247	counter := 0248	for _, pt := range a.Metrics {249		for range pt.Fields {250			counter++251		}252	}253	return counter254}255// Wait waits for the given number of metrics to be added to the accumulator.256func (a *Accumulator) Wait(n int) {257	a.Lock()258	if a.Cond == nil {259		a.Cond = sync.NewCond(&a.Mutex)260	}261	for int(a.NMetrics()) < n {262		a.Cond.Wait()263	}264	a.Unlock()265}266// WaitError waits for the given number of errors to be added to the accumulator.267func (a *Accumulator) WaitError(n int) {268	a.Lock()269	if a.Cond == nil {270		a.Cond = sync.NewCond(&a.Mutex)271	}272	for len(a.Errors) < n {273		a.Cond.Wait()274	}275	a.Unlock()276}277func (a *Accumulator) AssertContainsTaggedFields(278	t *testing.T,279	measurement string,280	fields map[string]interface{},281	tags map[string]string,282) {283	a.Lock()284	defer a.Unlock()285	for _, p := range a.Metrics {286		if !reflect.DeepEqual(tags, p.Tags) {287			continue288		}289		if p.Measurement == measurement && reflect.DeepEqual(fields, p.Fields) {290			return291		}292	}293	msg := fmt.Sprintf("unknown measurement %s with tags %v", measurement, tags)294	assert.Fail(t, msg)295}296func (a *Accumulator) AssertDoesNotContainsTaggedFields(297	t *testing.T,298	measurement string,299	fields map[string]interface{},300	tags map[string]string,301) {302	a.Lock()303	defer a.Unlock()304	for _, p := range a.Metrics {305		if !reflect.DeepEqual(tags, p.Tags) {306			continue307		}308		if p.Measurement == measurement && reflect.DeepEqual(fields, p.Fields) {309			msg := fmt.Sprintf(310				"found measurement %s with tagged fields (tags %v) which should not be there",311				measurement, tags)312			assert.Fail(t, msg)313		}314	}315	return316}317func (a *Accumulator) AssertContainsFields(318	t *testing.T,319	measurement string,320	fields map[string]interface{},321) {322	a.Lock()323	defer a.Unlock()324	for _, p := range a.Metrics {325		if p.Measurement == measurement {326			assert.Equal(t, fields, p.Fields)327			return328		}329	}330	msg := fmt.Sprintf("unknown measurement %s", measurement)331	assert.Fail(t, msg)332}333func (a *Accumulator) HasPoint(334	measurement string,335	tags map[string]string,336	fieldKey string,337	fieldValue interface{},338) bool {339	a.Lock()340	defer a.Unlock()341	for _, p := range a.Metrics {342		if p.Measurement != measurement {343			continue344		}345		if !reflect.DeepEqual(tags, p.Tags) {346			continue347		}348		v, ok := p.Fields[fieldKey]349		if ok && reflect.DeepEqual(v, fieldValue) {350			return true351		}352	}353	return false354}355func (a *Accumulator) AssertDoesNotContainMeasurement(t *testing.T, measurement string) {356	a.Lock()357	defer a.Unlock()358	for _, p := range a.Metrics {359		if p.Measurement == measurement {360			msg := fmt.Sprintf("found unexpected measurement %s", measurement)361			assert.Fail(t, msg)362		}363	}364}365// HasTimestamp returns true if the measurement has a matching Time value366func (a *Accumulator) HasTimestamp(measurement string, timestamp time.Time) bool {367	a.Lock()368	defer a.Unlock()369	for _, p := range a.Metrics {370		if p.Measurement == measurement {371			return timestamp.Equal(p.Time)372		}373	}374	return false375}376// HasField returns true if the given measurement has a field with the given377// name378func (a *Accumulator) HasField(measurement string, field string) bool {379	a.Lock()380	defer a.Unlock()381	for _, p := range a.Metrics {382		if p.Measurement == measurement {383			if _, ok := p.Fields[field]; ok {384				return true385			}386		}387	}388	return false389}390// HasIntField returns true if the measurement has an Int value391func (a *Accumulator) HasIntField(measurement string, field string) bool {392	a.Lock()393	defer a.Unlock()394	for _, p := range a.Metrics {395		if p.Measurement == measurement {396			for fieldname, value := range p.Fields {397				if fieldname == field {398					_, ok := value.(int)399					return ok400				}401			}402		}403	}404	return false405}406// HasInt64Field returns true if the measurement has an Int64 value407func (a *Accumulator) HasInt64Field(measurement string, field string) bool {408	a.Lock()409	defer a.Unlock()410	for _, p := range a.Metrics {411		if p.Measurement == measurement {412			for fieldname, value := range p.Fields {413				if fieldname == field {414					_, ok := value.(int64)415					return ok416				}417			}418		}419	}420	return false421}422// HasInt32Field returns true if the measurement has an Int value423func (a *Accumulator) HasInt32Field(measurement string, field string) bool {424	a.Lock()425	defer a.Unlock()426	for _, p := range a.Metrics {427		if p.Measurement == measurement {428			for fieldname, value := range p.Fields {429				if fieldname == field {430					_, ok := value.(int32)431					return ok432				}433			}434		}435	}436	return false437}438// HasStringField returns true if the measurement has an String value439func (a *Accumulator) HasStringField(measurement string, field string) bool {440	a.Lock()441	defer a.Unlock()442	for _, p := range a.Metrics {443		if p.Measurement == measurement {444			for fieldname, value := range p.Fields {445				if fieldname == field {446					_, ok := value.(string)447					return ok448				}449			}450		}451	}452	return false453}454// HasUIntField returns true if the measurement has a UInt value455func (a *Accumulator) HasUIntField(measurement string, field string) bool {456	a.Lock()457	defer a.Unlock()458	for _, p := range a.Metrics {459		if p.Measurement == measurement {460			for fieldname, value := range p.Fields {461				if fieldname == field {462					_, ok := value.(uint64)463					return ok464				}465			}466		}467	}468	return false469}470// HasFloatField returns true if the given measurement has a float value471func (a *Accumulator) HasFloatField(measurement string, field string) bool {472	a.Lock()473	defer a.Unlock()474	for _, p := range a.Metrics {475		if p.Measurement == measurement {476			for fieldname, value := range p.Fields {477				if fieldname == field {478					_, ok := value.(float64)479					return ok480				}481			}482		}483	}484	return false485}486// HasMeasurement returns true if the accumulator has a measurement with the487// given name488func (a *Accumulator) HasMeasurement(measurement string) bool {489	a.Lock()490	defer a.Unlock()491	for _, p := range a.Metrics {492		if p.Measurement == measurement {493			return true494		}495	}496	return false497}498// IntField returns the int value of the given measurement and field or false.499func (a *Accumulator) IntField(measurement string, field string) (int, bool) {500	a.Lock()501	defer a.Unlock()502	for _, p := range a.Metrics {...

filtering.go

Source:filtering.go

...44		}45	}46	return enabledMetrics47}48// HasEnabledMetricInGroup returns true if there are any metrics enabled that49// fall into the given group.50func (mf *monitorFiltering) HasEnabledMetricInGroup(group string) bool {51	if mf.metadata == nil {52		return false53	}54	for _, m := range mf.EnabledMetrics() {55		// TODO: If metric names in metadata.yaml ever support wildcards this56		// will have to be enhanced.57		if mf.metadata.Metrics[m].Group == group {58			return true59		}60	}61	return false62}63// HasAnyExtraMetrics returns true if there is any custom metric64// enabled for this output instance.65func (mf *monitorFiltering) HasAnyExtraMetrics() bool {66	return mf.hasExtraMetrics67}68func buildFilterSet(metadata *Metadata, conf config.MonitorCustomConfig) (*dpfilters.FilterSet, error) {69	coreConfig := conf.MonitorConfigCore()70	filter, err := coreConfig.FilterSet()71	if err != nil {72		return nil, err73	}74	excludeFilters := []dpfilters.DatapointFilter{filter}75	// If sendAll is true or there are no metrics don't bother setting up76	// filtering77	if metadata != nil && len(metadata.Metrics) > 0 && !metadata.SendAll {78		// Make a copy of extra metrics from config so we don't alter what the user configured.79		extraMetrics := append([]string{}, coreConfig.ExtraMetrics...)80		// Monitors can add additional extra metrics to allow through such as based on config flags.81		if monitorExtra, ok := conf.(config.ExtraMetrics); ok {82			extraMetrics = append(extraMetrics, monitorExtra.GetExtraMetrics()...)83		}84		includedMetricsFilter, err := newMetricsFilter(metadata, extraMetrics, coreConfig.ExtraGroups)85		if err != nil {86			return nil, fmt.Errorf("unable to construct extraMetrics filter: %s", err)87		}88		// Prepend the included metrics filter.89		excludeFilters = append([]dpfilters.DatapointFilter{dpfilters.Negate(includedMetricsFilter)}, excludeFilters...)90	}91	filterSet := &dpfilters.FilterSet{92		ExcludeFilters: excludeFilters,93	}94	return filterSet, nil95}96var _ dpfilters.DatapointFilter = &extraMetricsFilter{}97// Filter of datapoints based on included status and user configuration of98// extraMetrics and extraGroups.99type extraMetricsFilter struct {100	metadata     *Metadata101	extraMetrics map[string]bool102	stringFilter *filter.BasicStringFilter103}104func validateMetricName(metadata *Metadata, metricName string) error {105	if strings.TrimSpace(metricName) == "" {106		return errors.New("metric name cannot be empty")107	}108	if metadata.SendUnknown {109		// The metrics list isn't exhaustive so can't do extra validation.110		return nil111	}112	if strings.ContainsRune(metricName, '*') {113		// Make sure a metric pattern matches at least one metric.114		m, err := filter.NewBasicStringFilter([]string{metricName})115		if err != nil {116			return err117		}118		for metric := range metadata.Metrics {119			if m.Matches(metric) {120				return nil121			}122		}123		logrus.Warnf("extraMetrics: metric pattern '%s' did not match any available metrics for monitor %s",124			metricName, metadata.MonitorType)125	}126	if !metadata.HasMetric(metricName) {127		logrus.Warnf("extraMetrics: metric '%s' does not exist for monitor %s", metricName, metadata.MonitorType)128	}129	return nil130}131func validateGroup(metadata *Metadata, group string) ([]string, error) {132	if strings.TrimSpace(group) == "" {133		return nil, errors.New("group cannot be empty")134	}135	metrics, ok := metadata.GroupMetricsMap[group]136	if !ok {137		logrus.Warnf("extraMetrics: group %s does not exist for monitor %s", group, metadata.MonitorType)138	}139	return metrics, nil140}141func newMetricsFilter(metadata *Metadata, extraMetrics, extraGroups []string) (*extraMetricsFilter, error) {142	var filterItems []string143	for _, metric := range extraMetrics {144		if err := validateMetricName(metadata, metric); err != nil {145			return nil, err146		}147		// If the user specified a metric that's already included no need to add it.148		if !metadata.DefaultMetrics[metric] {149			filterItems = append(filterItems, metric)150		}151	}152	for _, group := range extraGroups {153		metrics, err := validateGroup(metadata, group)154		if err != nil {155			return nil, err156		}157		filterItems = append(filterItems, metrics...)158	}159	basicFilter, err := filter.NewBasicStringFilter(filterItems)160	if err != nil {161		return nil, fmt.Errorf("unable to construct filter with items %s: %s", filterItems, err)162	}163	effectiveMetrics := map[string]bool{}164	// Precompute set of metrics that matches the filter. This isn't a complete165	// set of metrics that are enabled in the case of metrics that aren't included166	// in metadata. But it provides a fast path for known metrics.167	for metric := range metadata.Metrics {168		if basicFilter.Matches(metric) {169			effectiveMetrics[metric] = true170		}171	}172	return &extraMetricsFilter{metadata, effectiveMetrics, basicFilter}, nil173}174func (mf *extraMetricsFilter) Matches(dp *datapoint.Datapoint) bool {175	if len(mf.metadata.Metrics) == 0 {176		// This monitor has no defined metrics so send everything by default.177		return true178	}179	if !mf.metadata.HasMetric(dp.Metric) && mf.metadata.SendUnknown {180		// This metric is unknown to the metadata and the monitor has requested181		// to send all unknown metrics.182		return true183	}184	if mf.metadata.HasDefaultMetric(dp.Metric) {185		// It's an included metric so send by default.186		return true187	}188	if mf.extraMetrics[dp.Metric] {189		// User has explicitly chosen to send this metric (or a group that this metric belongs to).190		return true191	}192	// Lastly check if it matches filter. If it's a known metric from metadata will get matched193	// above so this is a last check for unknown metrics.194	return mf.stringFilter.Matches(dp.Metric)195}...

cadvisor_test.go

Source:cadvisor_test.go

...18	"github.com/stretchr/testify/assert"19	"github.com/google/cadvisor/container"20)21func TestTcpMetricsAreDisabledByDefault(t *testing.T) {22	assert.True(t, ignoreMetrics.Has(container.NetworkTcpUsageMetrics))23	flag.Parse()24	assert.True(t, ignoreMetrics.Has(container.NetworkTcpUsageMetrics))25}26func TestAdvancedTcpMetricsAreDisabledByDefault(t *testing.T) {27	assert.True(t, ignoreMetrics.Has(container.NetworkAdvancedTcpUsageMetrics))28	flag.Parse()29	assert.True(t, ignoreMetrics.Has(container.NetworkAdvancedTcpUsageMetrics))30}31func TestUdpMetricsAreDisabledByDefault(t *testing.T) {32	assert.True(t, ignoreMetrics.Has(container.NetworkUdpUsageMetrics))33	flag.Parse()34	assert.True(t, ignoreMetrics.Has(container.NetworkUdpUsageMetrics))35}36func TestReferencedMemoryMetricsIsDisabledByDefault(t *testing.T) {37	assert.True(t, ignoreMetrics.Has(container.ReferencedMemoryMetrics))38	flag.Parse()39	assert.True(t, ignoreMetrics.Has(container.ReferencedMemoryMetrics))40}41func TestCPUTopologyMetricsAreDisabledByDefault(t *testing.T) {42	assert.True(t, ignoreMetrics.Has(container.CPUTopologyMetrics))43	flag.Parse()44	assert.True(t, ignoreMetrics.Has(container.CPUTopologyMetrics))45}46func TestMemoryNumaMetricsAreDisabledByDefault(t *testing.T) {47	assert.True(t, ignoreMetrics.Has(container.MemoryNumaMetrics))48	flag.Parse()49	assert.True(t, ignoreMetrics.Has(container.MemoryNumaMetrics))50}51func TestEnableAndIgnoreMetrics(t *testing.T) {52	tests := []struct {53		value    string54		expected []container.MetricKind55	}{56		{"", []container.MetricKind{}},57		{"disk", []container.MetricKind{container.DiskUsageMetrics}},58		{"disk,tcp,network", []container.MetricKind{container.DiskUsageMetrics, container.NetworkTcpUsageMetrics, container.NetworkUsageMetrics}},59	}60	for _, test := range tests {61		for _, sets := range []container.MetricSet{enableMetrics, ignoreMetrics} {62			assert.NoError(t, sets.Set(test.value))63			assert.Equal(t, len(test.expected), len(sets))64			for _, expected := range test.expected {65				assert.True(t, sets.Has(expected), "Missing %s", expected)66			}67		}68	}69}70func TestToIncludedMetrics(t *testing.T) {71	ignores := []container.MetricSet{72		{73			container.CpuUsageMetrics: struct{}{},74		},75		{},76		container.AllMetrics,77	}78	expected := []container.MetricSet{79		{...

Has

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    g := promauto.NewGauge(prometheus.GaugeOpts{5    })6    g.Set(42)7    g.Inc()8    g.Dec()9    g.Add(5)10    g.Sub(3)11    g.Set(123)12    g.Delete()13    fmt.Println(g.Has())14}15import (16func main() {17    fmt.Println("Hello, playground")18    g := promauto.NewGauge(prometheus.GaugeOpts{19    })20    g.Set(42)21    g.Inc()22    g.Dec()23    g.Add(5)24    g.Sub(3)25    g.Set(123)26    g.Delete()27    fmt.Println(g.Has())28}29import (

Has

Using AI Code Generation

1import (2func main() {3    m := metrics.NewCounter()4    m.Inc(1)5    fmt.Println(m.Count())6    fmt.Println(m.Has(1))7}8import (9func main() {10    m := metrics.NewCounter()11    m.Inc(1)12    fmt.Println(m.Count())13    fmt.Println(m.Has(2))14}15import (16func main() {17    m := metrics.NewCounter()18    m.Inc(1)19    fmt.Println(m.Count())20    fmt.Println(m.Has(0))21}22import (23func main() {24    m := metrics.NewCounter()25    m.Inc(1)26    fmt.Println(m.Count())27    fmt.Println(m.Has(-1))28}29import (30func main() {31    m := metrics.NewCounter()32    m.Inc(1)33    fmt.Println(m.Count())34    fmt.Println(m.Has(1))35    m.Inc(1)36    fmt.Println(m.Count())37    fmt.Println(m.Has(2))38}39import (40func main() {41    m := metrics.NewCounter()42    m.Inc(1)43    fmt.Println(m.Count())44    fmt.Println(m.Has(1))45    m.Inc(1)46    fmt.Println(m.Count())47    fmt.Println(m.Has(1))48}

Has

Using AI Code Generation

1import (2func main() {3config := cluster.NewConfig()4brokers := []string{"kafka:9092"}5topics := []string{"topic1"}6consumer, err := cluster.NewConsumer(brokers, "group1", topics, config)7if err != nil {8panic(err)9}10defer consumer.Close()11metrics := NewMetrics()12registry := prometheus.NewRegistry()13registry.MustRegister(metrics)14handler := promhttp.HandlerFor(registry, promhttp.HandlerOpts{})15server := &http.Server{16}17go server.ListenAndServe()18for {19select {20case msg, ok := <-consumer.Messages():21if ok {22metrics.IncMessageCount(msg.Topic)23consumer.MarkOffset(msg, "")24}25}26}27}28}

Has

Using AI Code Generation

1import (2func main() {3    scope, closer := tally.NewRootScope(tally.ScopeOptions{4    }, 1 * time.Second)5    defer closer.Close()6    scope.Counter("bar").Inc(1)7    scope.Gauge("qux").Update(42)8    scope.Timer("baz").Record(300 * time.Millisecond)9    scope.Histogram("quux", tally.DefaultBuckets).RecordValue(42)10    scope.Histogram("quuz", tally.ValueBuckets([]float64{1, 2, 3})).RecordValue(42)11    has := scope.Snapshot().HasCounters("bar")12    fmt.Println("Has counter bar: ", has)13}14import (15func main() {16    scope, closer := tally.NewRootScope(tally.ScopeOptions{

Has

Using AI Code Generation

1import (2func main() {3        fmt.Println("Hello, playground")4        m1 := prometheus.NewCounter(prometheus.CounterOpts{5        })6        m2 := prometheus.NewCounter(prometheus.CounterOpts{7        })8        m3 := prometheus.NewCounter(prometheus.CounterOpts{9        })10        m4 := prometheus.NewCounter(prometheus.CounterOpts{11        })12        m5 := prometheus.NewCounter(prometheus.CounterOpts{13        })14        m6 := prometheus.NewCounter(prometheus.CounterOpts{15        })16        m7 := prometheus.NewCounter(prometheus.CounterOpts{17        })18        m8 := prometheus.NewCounter(prometheus.CounterOpts{19        })20        m9 := prometheus.NewCounter(prometheus.CounterOpts{21        })22        m10 := prometheus.NewCounter(prometheus.CounterOpts{23        })24        m11 := prometheus.NewCounter(prometheus.CounterOpts{25        })26        m12 := prometheus.NewCounter(prometheus.CounterOpts{27        })28        m13 := prometheus.NewCounter(prometheus.CounterOpts{29        })30        m14 := prometheus.NewCounter(prometheus.CounterOpts{31        })32        m15 := prometheus.NewCounter(prometheus.CounterOpts{33        })34        m16 := prometheus.NewCounter(prometheus.CounterOpts{

Has

Using AI Code Generation

1import (2func main() {3  m := metrics.NewRegistry()4  c := metrics.NewCounter()5  m.Register("counter", c)6  g := metrics.NewGauge()7  m.Register("gauge", g)8  h := metrics.NewHistogram(metrics.NewUniformSample(100))9  m.Register("histogram", h)10  mt := metrics.NewMeter()11  m.Register("meter", mt)12  t := metrics.NewTimer()13  m.Register("timer", t)14  if m.Has("counter") {15    log.Println("counter exist")16  }17  if !m.Has("foo") {18    log.Println("foo does not exist")19  }20  if m.Has("gauge") {21    log.Println("gauge exist")22  }23  if !m.Has("foo") {24    log.Println("foo does not exist")25  }26  if m.Has("histogram") {27    log.Println("histogram exist")28  }29  if !m.Has("foo") {30    log.Println("foo does not exist")31  }32  if m.Has("meter") {33    log.Println("meter exist")34  }35  if !m.Has("foo") {36    log.Println("foo does not exist")37  }38  if m.Has("timer") {39    log.Println("timer exist")40  }41  if !m.Has("foo") {42    log.Println("foo does not exist")43  }44  time.Sleep(10 * time.Second)45}

Has

Using AI Code Generation

1import (2type Metrics struct {3	Has  func(string) bool4	Get  func(string) (interface{}, bool)5	Set  func(string, interface{})6}7func MetricsFactory() *Metrics {8	return &Metrics{9		Has: func(key string) bool { return true },10		Get: func(key string) (interface{}, bool) { return nil, true },11		Set: func(key string, value interface{}) {},12	}13}14func main() {15	metrics := MetricsFactory()16	fmt.Println(metrics.Has("test"))17}

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