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Fix timestamp handling in remote_write #21166
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85 changes: 85 additions & 0 deletions
85
metricbeat/module/prometheus/remote_write/remote_write_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| // Licensed to Elasticsearch B.V. under one or more contributor | ||
| // license agreements. See the NOTICE file distributed with | ||
| // this work for additional information regarding copyright | ||
| // ownership. Elasticsearch B.V. licenses this file to you under | ||
| // the Apache License, Version 2.0 (the "License"); you may | ||
| // not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
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| package remote_write | ||
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| import ( | ||
| "testing" | ||
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| "github.com/prometheus/common/model" | ||
| "github.com/stretchr/testify/assert" | ||
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| "github.com/elastic/beats/v7/libbeat/common" | ||
| ) | ||
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| // TestGenerateEventsCounter tests counter simple cases | ||
| func TestGenerateEventsCounter(t *testing.T) { | ||
| g := remoteWriteEventGenerator{} | ||
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| timestamp := model.Time(424242) | ||
| labels := common.MapStr{ | ||
| "listener_name": model.LabelValue("http"), | ||
| } | ||
| timeStampedLabels := labels.Clone() | ||
| timeStampedLabels.Put("timestamp", timestamp.Time()) | ||
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| timestamp1 := model.Time(424243) | ||
| timeStampedLabels1 := labels.Clone() | ||
| timeStampedLabels1.Put("timestamp", timestamp1.Time()) | ||
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| // first fetch | ||
| metrics := model.Samples{ | ||
| &model.Sample{ | ||
| Metric: map[model.LabelName]model.LabelValue{ | ||
| "__name__": "net_conntrack_listener_conn_closed_total", | ||
| "listener_name": "http", | ||
| }, | ||
| Value: model.SampleValue(42), | ||
| Timestamp: timestamp, | ||
| }, | ||
| &model.Sample{ | ||
| Metric: map[model.LabelName]model.LabelValue{ | ||
| "__name__": "net_conntrack_listener_conn_closed_total", | ||
| "listener_name": "http", | ||
| }, | ||
| Value: model.SampleValue(43), | ||
| Timestamp: timestamp1, | ||
| }, | ||
| } | ||
| events := g.GenerateEvents(metrics) | ||
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| expected := common.MapStr{ | ||
| "metrics": common.MapStr{ | ||
| "net_conntrack_listener_conn_closed_total": float64(42), | ||
| }, | ||
| "labels": labels, | ||
| } | ||
| expected1 := common.MapStr{ | ||
| "metrics": common.MapStr{ | ||
| "net_conntrack_listener_conn_closed_total": float64(43), | ||
| }, | ||
| "labels": labels, | ||
| } | ||
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| assert.Equal(t, len(events), 2) | ||
| e := events[timeStampedLabels.String()] | ||
| assert.EqualValues(t, e.ModuleFields, expected) | ||
| assert.EqualValues(t, e.Timestamp, timestamp.Time()) | ||
| e = events[timeStampedLabels1.String()] | ||
| assert.EqualValues(t, e.ModuleFields, expected1) | ||
| assert.EqualValues(t, e.Timestamp, timestamp1.Time()) | ||
| } |
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I would try to avoid cloning to save memory and cycles. How about appending the timestamp to the labelsHash?
Something like
sampleHash := labels.String() + metric.Timestamp.Time()There was a problem hiding this comment.
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👍