348 lines
7.7 KiB
Go
348 lines
7.7 KiB
Go
package prometheus
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import (
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"math"
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"testing"
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"time"
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"github.com/gogo/protobuf/proto"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/testutil"
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dto "github.com/prometheus/client_model/go"
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"github.com/stretchr/testify/require"
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)
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func TestCollectionExpire(t *testing.T) {
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tests := []struct {
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name string
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now time.Time
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age time.Duration
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metrics []telegraf.Metric
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expected []*dto.MetricFamily
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}{
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{
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name: "not expired",
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now: time.Unix(1, 0),
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age: 10 * time.Second,
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metrics: []telegraf.Metric{
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": 42.0,
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},
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time.Unix(0, 0),
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),
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},
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expected: []*dto.MetricFamily{
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{
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Name: proto.String("cpu_time_idle"),
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Help: proto.String(helpString),
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Type: dto.MetricType_UNTYPED.Enum(),
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Metric: []*dto.Metric{
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{
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Label: []*dto.LabelPair{},
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Untyped: &dto.Untyped{Value: proto.Float64(42.0)},
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},
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},
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},
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},
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},
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{
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name: "update metric expiration",
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now: time.Unix(20, 0),
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age: 10 * time.Second,
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metrics: []telegraf.Metric{
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": 42.0,
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},
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time.Unix(0, 0),
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),
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": 43.0,
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},
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time.Unix(12, 0),
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),
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},
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expected: []*dto.MetricFamily{
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{
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Name: proto.String("cpu_time_idle"),
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Help: proto.String(helpString),
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Type: dto.MetricType_UNTYPED.Enum(),
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Metric: []*dto.Metric{
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{
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Label: []*dto.LabelPair{},
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Untyped: &dto.Untyped{Value: proto.Float64(43.0)},
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},
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},
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},
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},
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},
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{
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name: "update metric expiration descending order",
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now: time.Unix(20, 0),
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age: 10 * time.Second,
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metrics: []telegraf.Metric{
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": 42.0,
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},
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time.Unix(12, 0),
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),
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": 43.0,
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},
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time.Unix(0, 0),
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),
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},
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expected: []*dto.MetricFamily{
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{
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Name: proto.String("cpu_time_idle"),
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Help: proto.String(helpString),
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Type: dto.MetricType_UNTYPED.Enum(),
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Metric: []*dto.Metric{
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{
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Label: []*dto.LabelPair{},
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Untyped: &dto.Untyped{Value: proto.Float64(42.0)},
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},
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},
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},
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},
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},
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{
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name: "expired single metric in metric family",
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now: time.Unix(20, 0),
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age: 10 * time.Second,
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metrics: []telegraf.Metric{
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": 42.0,
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},
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time.Unix(0, 0),
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),
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},
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expected: []*dto.MetricFamily{},
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},
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{
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name: "expired one metric in metric family",
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now: time.Unix(20, 0),
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age: 10 * time.Second,
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metrics: []telegraf.Metric{
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": 42.0,
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},
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time.Unix(0, 0),
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),
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_guest": 42.0,
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},
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time.Unix(15, 0),
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),
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},
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expected: []*dto.MetricFamily{
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{
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Name: proto.String("cpu_time_guest"),
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Help: proto.String(helpString),
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Type: dto.MetricType_UNTYPED.Enum(),
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Metric: []*dto.Metric{
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{
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Label: []*dto.LabelPair{},
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Untyped: &dto.Untyped{Value: proto.Float64(42.0)},
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},
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},
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},
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},
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},
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{
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name: "histogram bucket updates",
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now: time.Unix(0, 0),
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age: 10 * time.Second,
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metrics: []telegraf.Metric{
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testutil.MustMetric(
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"prometheus",
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map[string]string{},
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map[string]interface{}{
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"http_request_duration_seconds_sum": 10.0,
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"http_request_duration_seconds_count": 2,
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},
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time.Unix(0, 0),
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telegraf.Histogram,
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),
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testutil.MustMetric(
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"prometheus",
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map[string]string{"le": "0.05"},
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map[string]interface{}{
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"http_request_duration_seconds_bucket": 1.0,
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},
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time.Unix(0, 0),
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telegraf.Histogram,
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),
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testutil.MustMetric(
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"prometheus",
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map[string]string{"le": "+Inf"},
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map[string]interface{}{
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"http_request_duration_seconds_bucket": 1.0,
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},
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time.Unix(0, 0),
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telegraf.Histogram,
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),
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// Next interval
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testutil.MustMetric(
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"prometheus",
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map[string]string{},
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map[string]interface{}{
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"http_request_duration_seconds_sum": 20.0,
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"http_request_duration_seconds_count": 4,
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},
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time.Unix(0, 0),
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telegraf.Histogram,
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),
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testutil.MustMetric(
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"prometheus",
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map[string]string{"le": "0.05"},
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map[string]interface{}{
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"http_request_duration_seconds_bucket": 2.0,
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},
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time.Unix(0, 0),
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telegraf.Histogram,
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),
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testutil.MustMetric(
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"prometheus",
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map[string]string{"le": "+Inf"},
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map[string]interface{}{
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"http_request_duration_seconds_bucket": 2.0,
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},
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time.Unix(0, 0),
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telegraf.Histogram,
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),
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},
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expected: []*dto.MetricFamily{
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{
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Name: proto.String("http_request_duration_seconds"),
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Help: proto.String(helpString),
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Type: dto.MetricType_HISTOGRAM.Enum(),
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Metric: []*dto.Metric{
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{
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Label: []*dto.LabelPair{},
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Histogram: &dto.Histogram{
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SampleCount: proto.Uint64(4),
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SampleSum: proto.Float64(20.0),
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Bucket: []*dto.Bucket{
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{
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UpperBound: proto.Float64(0.05),
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CumulativeCount: proto.Uint64(2),
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},
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{
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UpperBound: proto.Float64(math.Inf(1)),
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CumulativeCount: proto.Uint64(2),
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},
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},
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},
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},
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},
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},
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},
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},
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{
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name: "summary quantile updates",
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now: time.Unix(0, 0),
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age: 10 * time.Second,
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metrics: []telegraf.Metric{
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testutil.MustMetric(
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"prometheus",
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map[string]string{},
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map[string]interface{}{
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"rpc_duration_seconds_sum": 1.0,
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"rpc_duration_seconds_count": 1,
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},
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time.Unix(0, 0),
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telegraf.Summary,
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),
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testutil.MustMetric(
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"prometheus",
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map[string]string{"quantile": "0.01"},
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map[string]interface{}{
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"rpc_duration_seconds": 1.0,
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},
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time.Unix(0, 0),
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telegraf.Summary,
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),
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// Updated Summary
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testutil.MustMetric(
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"prometheus",
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map[string]string{},
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map[string]interface{}{
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"rpc_duration_seconds_sum": 2.0,
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"rpc_duration_seconds_count": 2,
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},
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time.Unix(0, 0),
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telegraf.Summary,
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),
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testutil.MustMetric(
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"prometheus",
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map[string]string{"quantile": "0.01"},
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map[string]interface{}{
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"rpc_duration_seconds": 2.0,
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},
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time.Unix(0, 0),
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telegraf.Summary,
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),
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},
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expected: []*dto.MetricFamily{
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{
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Name: proto.String("rpc_duration_seconds"),
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Help: proto.String(helpString),
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Type: dto.MetricType_SUMMARY.Enum(),
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Metric: []*dto.Metric{
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{
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Label: []*dto.LabelPair{},
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Summary: &dto.Summary{
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SampleCount: proto.Uint64(2),
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SampleSum: proto.Float64(2.0),
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Quantile: []*dto.Quantile{
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{
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Quantile: proto.Float64(0.01),
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Value: proto.Float64(2),
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},
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},
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},
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},
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},
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},
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c := NewCollection(FormatConfig{})
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for _, metric := range tt.metrics {
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c.Add(metric)
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}
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c.Expire(tt.now, tt.age)
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actual := c.GetProto()
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require.Equal(t, tt.expected, actual)
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})
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}
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}
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