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How to use NewMetrics method of v1 Package

Best Testkube code snippet using v1.NewMetrics

controller_test.go

Source:controller_test.go

...170}171func TestAddServiceQueue(t *testing.T) {172	for _, tc := range serviceTests {173		t.Run(tc.name, func(t *testing.T) {174			c := getDefaultController(localmetrics.NewMetrics("backendtype", "backend"))175			c.addService(tc.service)176			time.Sleep(100 * time.Millisecond) // Give queue time to process (huh?)177			got := c.syncqueue.Workqueue.Len()178			assert.Equal(t, tc.expected, got)179		})180	}181}182func TestUpdateServiceQueue(t *testing.T) {183	for _, tc := range serviceTests {184		t.Run(tc.name, func(t *testing.T) {185			c := getDefaultController(localmetrics.NewMetrics("backendtype", "backend"))186			c.updateService(tc.service)187			time.Sleep(100 * time.Millisecond) // Give queue time to process (huh?)188			got := c.syncqueue.Workqueue.Len()189			assert.Equal(t, tc.expected, got)190		})191	}192}193func TestDeleteServiceQueue(t *testing.T) {194	for _, tc := range serviceTests {195		t.Run(tc.name, func(t *testing.T) {196			c := getDefaultController(localmetrics.NewMetrics("backendtype", "backend"))197			c.deleteService(tc.service)198			time.Sleep(100 * time.Millisecond) // Give queue time to process (huh?)199			got := c.syncqueue.Workqueue.Len()200			assert.Equal(t, tc.expected, got)201		})202	}203}204func TestAddEndpointsQueue(t *testing.T) {205	for _, tc := range endpointTests {206		t.Run(tc.name, func(t *testing.T) {207			c := getDefaultController(localmetrics.NewMetrics("backendtype", "backend"))208			c.addEndpoints(tc.endpoint)209			time.Sleep(100 * time.Millisecond) // Give queue time to process (huh?)210			got := c.syncqueue.Workqueue.Len()211			assert.Equal(t, tc.expected, got)212		})213	}214}215func TestUpdateEndpointsQueue(t *testing.T) {216	for _, tc := range endpointTests {217		t.Run(tc.name, func(t *testing.T) {218			c := getDefaultController(localmetrics.NewMetrics("backendtype", "backend"))219			c.updateEndpoints(tc.endpoint)220			time.Sleep(100 * time.Millisecond) // Give queue time to process (huh?)221			got := c.syncqueue.Workqueue.Len()222			assert.Equal(t, tc.expected, got)223		})224	}225}226func TestDeleteEndpointsQueue(t *testing.T) {227	for _, tc := range endpointTests {228		t.Run(tc.name, func(t *testing.T) {229			c := getDefaultController(localmetrics.NewMetrics("backendtype", "backend"))230			c.deleteEndpoints(tc.endpoint)231			time.Sleep(100 * time.Millisecond) // Give queue time to process (huh?)232			got := c.syncqueue.Workqueue.Len()233			assert.Equal(t, tc.expected, got)234		})235	}236}237func TestEndpointMetrics(t *testing.T) {238	for _, tc := range endpointTests {239		t.Run(tc.name, func(t *testing.T) {240			metrics := localmetrics.NewMetrics("backendtype", "backend")241			metrics.RegisterPrometheus(false)242			c := getDefaultController(metrics)243			c.writeEndpointsMetrics(tc.endpoint)244			gatherers := prometheus.Gatherers{245				metrics.Registry,246				prometheus.DefaultGatherer,247			}248			gathering, err := gatherers.Gather()249			if err != nil {250				t.Fatal(err)251			}252			replicatedEndpoints := float64(-1)253			for _, mf := range gathering {254				if mf.GetName() == localmetrics.DiscovererUpstreamEndpointsGauge {255					replicatedEndpoints = mf.Metric[0].Gauge.GetValue()256				}257			}258			assert.Equal(t, float64(tc.expectedEndpointsCount), replicatedEndpoints)259		})260	}261}262func TestServicesMetrics(t *testing.T) {263	for _, tc := range serviceTests {264		t.Run(tc.name, func(t *testing.T) {265			metrics := localmetrics.NewMetrics("backendtype", "backend")266			metrics.RegisterPrometheus(false)267			client := fake.NewSimpleClientset(tc.service)268			informer := kubeinformers.NewSharedInformerFactory(client, time.Second*0)269			c := &Controller{270				Logger: logrus.New(),271				syncqueue: sync.Queue{272					Logger:      logrus.New(),273					Workqueue:   workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "syncqueue"),274					Threadiness: 1,275					Metrics:     metrics,276				},277				serviceLister:   informer.Core().V1().Services().Lister(),278				endpointsLister: informer.Core().V1().Endpoints().Lister(),279				metrics:         metrics,...

queue_test.go

Source:queue_test.go

...19	client.PrependReactor("create", "services", func(action k8stesting.Action) (bool, runtime.Object, error) {20		createAttempts++21		return true, nil, nil22	})23	q := NewQueue(logrus.New(), client, 4, metrics.NewMetrics("test", "backend"))24	stop := make(chan struct{})25	go q.Run(stop)26	q.Enqueue(AddServiceAction(&v1.Service{}))27	// TODO(abrand): replace sleeps with some other signal28	time.Sleep(1 * time.Second)29	close(stop)30	assert.Equal(t, 1, createAttempts)31	assert.Equal(t, 0, q.Workqueue.Len())32}33func TestQueueStopsRetryingAfterSuccess(t *testing.T) {34	client := fake.NewSimpleClientset()35	var createAttempts int36	client.PrependReactor("create", "services", func(action k8stesting.Action) (bool, runtime.Object, error) {37		err := errors.New("fake error")38		if createAttempts == 1 {39			err = nil40		}41		createAttempts++42		return true, nil, err43	})44	// Start the queue45	q := NewQueue(logrus.New(), client, 4, metrics.NewMetrics("test", "backend"))46	stop := make(chan struct{})47	go q.Run(stop)48	// Enqueue an add service that will always fail49	q.Enqueue(AddServiceAction(&v1.Service{}))50	// Wait until we process it51	// TODO(abrand): replace sleeps with some other signal52	time.Sleep(1 * time.Second)53	close(stop)54	// Assert that we tried twice55	assert.Equal(t, 2, createAttempts)56	assert.Equal(t, 0, q.Workqueue.Len())57}58func TestQueueMaxRetries(t *testing.T) {59	client := fake.NewSimpleClientset()60	var createAttempts int61	client.PrependReactor("create", "services", func(action k8stesting.Action) (bool, runtime.Object, error) {62		createAttempts++63		return true, nil, errors.New("fake error")64	})65	// Start the queue66	q := NewQueue(logrus.New(), client, 4, metrics.NewMetrics("test", "backend"))67	stop := make(chan struct{})68	go q.Run(stop)69	// Enqueue an add service that will always fail70	q.Enqueue(AddServiceAction(&v1.Service{}))71	// Wait until we process it72	// TODO(abrand): replace sleeps with some other signal73	time.Sleep(1 * time.Second)74	close(stop)75	// Assert that we tried five times and that we finally dropped it76	assert.Equal(t, queueMaxRetries, createAttempts)77	assert.Equal(t, 0, q.Workqueue.Len())78}79func TestQueueServicesMetrics(t *testing.T) {80	now := time.Date(2000, 1, 1, 10, 0, 00, 0, time.UTC)81	tests := []struct {82		name                   string83		apiServerError         error84		expectedTimestampGauge float6485		expectedErrorCounter   float6486	}{87		{88			name: "successfull replication",89			expectedTimestampGauge: float64(now.Unix()),90			expectedErrorCounter:   float64(-1), // no error, so error counter is not initialized91		},92		{93			name: "failed to replicate service",94			expectedTimestampGauge: float64(-1), // failed to sync resource, so timestamp is not initialized95			expectedErrorCounter:   float64(queueMaxRetries),96			apiServerError:         errors.New("api server error"),97		},98	}99	for _, test := range tests {100		t.Run(test.name, func(t *testing.T) {101			nowFunc = func() time.Time {102				return now103			}104			client := fake.NewSimpleClientset()105			client.PrependReactor("create", "services", func(action k8stesting.Action) (bool, runtime.Object, error) {106				return true, nil, test.apiServerError107			})108			m := metrics.NewMetrics("test", "backend")109			m.RegisterPrometheus(false)110			q := NewQueue(logrus.New(), client, 1, m)111			stop := make(chan struct{})112			go q.Run(stop)113			s := v1.Service{}114			s.Name = "foo"115			s.Namespace = "default"116			q.Enqueue(AddServiceAction(&s))117			time.Sleep(500 * time.Millisecond)118			close(stop)119			assertGaugeEqual(t, test.expectedTimestampGauge, metrics.ServiceEventTimestampGauge, m.Registry)120			assertCounterEqual(t, test.expectedErrorCounter, metrics.ServiceErrorTotalCounter, m.Registry)121		})122	}123}124func TestQueueEndpointsMetrics(t *testing.T) {125	now := time.Date(2000, 1, 1, 10, 0, 00, 0, time.UTC)126	tests := []struct {127		name                             string128		apiServerError                   error129		expectedTimestampGauge           float64130		expectedErrorCounter             float64131		expectedReplicatedEndpointsGauge float64132	}{133		{134			name: "successfull replication",135			expectedTimestampGauge:           float64(now.Unix()),136			expectedErrorCounter:             float64(-1), // no error, so error counter is not initialized137			expectedReplicatedEndpointsGauge: float64(2),138		},139		{140			name: "failed to replicate endpoints resource",141			expectedTimestampGauge:           float64(-1), // failed to sync resource, so timestamp is not initialized142			expectedErrorCounter:             float64(queueMaxRetries),143			expectedReplicatedEndpointsGauge: float64(-1), // failed to replicate, so gauge is not initialized144			apiServerError:                   errors.New("api server error"),145		},146	}147	for _, test := range tests {148		t.Run(test.name, func(t *testing.T) {149			nowFunc = func() time.Time {150				return now151			}152			client := fake.NewSimpleClientset()153			client.PrependReactor("create", "endpoints", func(action k8stesting.Action) (bool, runtime.Object, error) {154				return true, nil, test.apiServerError155			})156			m := metrics.NewMetrics("test", "backend")157			m.RegisterPrometheus(false)158			q := NewQueue(logrus.New(), client, 1, m)159			stop := make(chan struct{})160			go q.Run(stop)161			ep := v1.Endpoints{}162			ep.Namespace = "default"163			ep.Name = "foo"164			ep.Subsets = []v1.EndpointSubset{{165				Addresses: []v1.EndpointAddress{{IP: "10.0.0.1"}, {IP: "10.0.0.2"}},166			}}167			q.Enqueue(AddEndpointsAction(&ep, "upstream"))168			time.Sleep(500 * time.Millisecond)169			close(stop)170			assertGaugeEqual(t, test.expectedTimestampGauge, metrics.EndpointsEventTimestampGauge, m.Registry)...

NewMetrics

Using AI Code Generation

1v1.NewMetrics()2v2.NewMetrics()3v3.NewMetrics()4v4.NewMetrics()5v5.NewMetrics()6v6.NewMetrics()7v7.NewMetrics()8v8.NewMetrics()9v9.NewMetrics()10v10.NewMetrics()11v11.NewMetrics()12v12.NewMetrics()13v13.NewMetrics()14v14.NewMetrics()15v15.NewMetrics()16v16.NewMetrics()17v17.NewMetrics()18v18.NewMetrics()19v19.NewMetrics()20v20.NewMetrics()21v21.NewMetrics()

NewMetrics

Using AI Code Generation

1func main() {2  m := v1.NewMetrics()3  m.Inc()4  m.Inc()5  m.Inc()6  fmt.Println(m.Count())7}8func main() {9  m := v2.NewMetrics()10  m.Inc()11  m.Inc()12  m.Inc()13  fmt.Println(m.Count())14}

NewMetrics

Using AI Code Generation

1import (2func main() {3 m := metrics.NewMetrics()4 fmt.Println(m)5}6&{100 0}

NewMetrics

Using AI Code Generation

1import (2func main() {3        metrics := v1.NewMetrics()4        metrics.SetGauge("gauge", 1)5        metrics.SetCounter("counter", 1)6        metrics.SetTimer("timer", 1)7        fmt.Println(metrics)8}9import (10func main() {11        metrics := v3.NewMetrics()12        metrics.SetGauge("gauge", 1)13        metrics.SetCounter("counter", 1)14        metrics.SetTimer("timer", 1)15        fmt.Println(metrics)16}17import (18func main() {19        metrics := v4.NewMetrics()20        metrics.SetGauge("gauge", 1)21        metrics.SetCounter("counter", 1)22        metrics.SetTimer("timer", 1)23        fmt.Println(metrics)24}25import (26func main() {27        metrics := v5.NewMetrics()28        metrics.SetGauge("gauge", 1)29        metrics.SetCounter("counter", 1)30        metrics.SetTimer("timer", 1)31        fmt.Println(metrics)32}33import (34func main() {35        metrics := v6.NewMetrics()36        metrics.SetGauge("gauge", 1)37        metrics.SetCounter("counter", 1)38        metrics.SetTimer("timer", 1)39        fmt.Println(metrics)40}

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