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prometheus/promql/setup_test.go

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// Copyright 2013 The Prometheus Authors
// Licensed 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.
package promql
import (
"time"
clientmodel "github.com/prometheus/client_golang/model"
"github.com/prometheus/prometheus/storage/local"
"github.com/prometheus/prometheus/storage/metric"
)
var testSampleInterval = time.Duration(5) * time.Minute
var testStartTime = clientmodel.Timestamp(0)
func getTestValueStream(startVal, endVal, stepVal clientmodel.SampleValue, startTime clientmodel.Timestamp) (resultValues metric.Values) {
currentTime := startTime
for currentVal := startVal; currentVal <= endVal; currentVal += stepVal {
sample := metric.SamplePair{
Value: currentVal,
Timestamp: currentTime,
}
resultValues = append(resultValues, sample)
currentTime = currentTime.Add(testSampleInterval)
}
return resultValues
}
func getTestVectorFromTestMatrix(matrix Matrix) Vector {
vector := Vector{}
for _, sampleStream := range matrix {
lastSample := sampleStream.Values[len(sampleStream.Values)-1]
vector = append(vector, &Sample{
Metric: sampleStream.Metric,
Value: lastSample.Value,
Timestamp: lastSample.Timestamp,
})
}
return vector
}
func storeMatrix(storage local.Storage, matrix Matrix) {
pendingSamples := clientmodel.Samples{}
for _, sampleStream := range matrix {
for _, sample := range sampleStream.Values {
pendingSamples = append(pendingSamples, &clientmodel.Sample{
Metric: sampleStream.Metric.Metric,
Value: sample.Value,
Timestamp: sample.Timestamp,
})
}
}
for _, s := range pendingSamples {
storage.Append(s)
}
storage.WaitForIndexing()
}
var testVector = getTestVectorFromTestMatrix(testMatrix)
var testMatrix = Matrix{
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "http_requests",
clientmodel.JobLabel: "api-server",
"instance": "0",
"group": "production",
},
},
Values: getTestValueStream(0, 100, 10, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "http_requests",
clientmodel.JobLabel: "api-server",
"instance": "1",
"group": "production",
},
},
Values: getTestValueStream(0, 200, 20, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "http_requests",
clientmodel.JobLabel: "api-server",
"instance": "0",
"group": "canary",
},
},
Values: getTestValueStream(0, 300, 30, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "http_requests",
clientmodel.JobLabel: "api-server",
"instance": "1",
"group": "canary",
},
},
Values: getTestValueStream(0, 400, 40, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "http_requests",
clientmodel.JobLabel: "app-server",
"instance": "0",
"group": "production",
},
},
Values: getTestValueStream(0, 500, 50, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "http_requests",
clientmodel.JobLabel: "app-server",
"instance": "1",
"group": "production",
},
},
Values: getTestValueStream(0, 600, 60, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "http_requests",
clientmodel.JobLabel: "app-server",
"instance": "0",
"group": "canary",
},
},
Values: getTestValueStream(0, 700, 70, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "http_requests",
clientmodel.JobLabel: "app-server",
"instance": "1",
"group": "canary",
},
},
Values: getTestValueStream(0, 800, 80, testStartTime),
},
// Single-letter metric and label names.
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "x",
"y": "testvalue",
},
},
Values: getTestValueStream(0, 100, 10, testStartTime),
},
// Counter reset in the middle of range.
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "testcounter_reset_middle",
},
},
Values: append(getTestValueStream(0, 40, 10, testStartTime), getTestValueStream(0, 50, 10, testStartTime.Add(testSampleInterval*5))...),
},
// Counter reset at the end of range.
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "testcounter_reset_end",
},
},
Values: append(getTestValueStream(0, 90, 10, testStartTime), getTestValueStream(0, 0, 10, testStartTime.Add(testSampleInterval*10))...),
},
// For label-key grouping regression test.
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "label_grouping_test",
"a": "aa",
"b": "bb",
},
},
Values: getTestValueStream(0, 100, 10, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "label_grouping_test",
"a": "a",
"b": "abb",
},
},
Values: getTestValueStream(0, 200, 20, testStartTime),
},
// Two histograms with 4 buckets each (*_sum and *_count not included,
// only buckets). Lowest bucket for one histogram < 0, for the other >
// 0. They have the same name, just separated by label. Not useful in
// practice, but can happen (if clients change bucketing), and the
// server has to cope with it.
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "testhistogram_bucket",
"le": "0.1",
"start": "positive",
},
},
Values: getTestValueStream(0, 50, 5, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "testhistogram_bucket",
"le": ".2",
"start": "positive",
},
},
Values: getTestValueStream(0, 70, 7, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "testhistogram_bucket",
"le": "1e0",
"start": "positive",
},
},
Values: getTestValueStream(0, 110, 11, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "testhistogram_bucket",
"le": "+Inf",
"start": "positive",
},
},
Values: getTestValueStream(0, 120, 12, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "testhistogram_bucket",
"le": "-.2",
"start": "negative",
},
},
Values: getTestValueStream(0, 10, 1, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "testhistogram_bucket",
"le": "-0.1",
"start": "negative",
},
},
Values: getTestValueStream(0, 20, 2, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "testhistogram_bucket",
"le": "0.3",
"start": "negative",
},
},
Values: getTestValueStream(0, 20, 2, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "testhistogram_bucket",
"le": "+Inf",
"start": "negative",
},
},
Values: getTestValueStream(0, 30, 3, testStartTime),
},
// Now a more realistic histogram per job and instance to test aggregation.
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job1",
"instance": "ins1",
"le": "0.1",
},
},
Values: getTestValueStream(0, 10, 1, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job1",
"instance": "ins1",
"le": "0.2",
},
},
Values: getTestValueStream(0, 30, 3, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job1",
"instance": "ins1",
"le": "+Inf",
},
},
Values: getTestValueStream(0, 40, 4, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job1",
"instance": "ins2",
"le": "0.1",
},
},
Values: getTestValueStream(0, 20, 2, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job1",
"instance": "ins2",
"le": "0.2",
},
},
Values: getTestValueStream(0, 50, 5, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job1",
"instance": "ins2",
"le": "+Inf",
},
},
Values: getTestValueStream(0, 60, 6, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job2",
"instance": "ins1",
"le": "0.1",
},
},
Values: getTestValueStream(0, 30, 3, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job2",
"instance": "ins1",
"le": "0.2",
},
},
Values: getTestValueStream(0, 40, 4, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job2",
"instance": "ins1",
"le": "+Inf",
},
},
Values: getTestValueStream(0, 60, 6, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job2",
"instance": "ins2",
"le": "0.1",
},
},
Values: getTestValueStream(0, 40, 4, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job2",
"instance": "ins2",
"le": "0.2",
},
},
Values: getTestValueStream(0, 70, 7, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "request_duration_seconds_bucket",
clientmodel.JobLabel: "job2",
"instance": "ins2",
"le": "+Inf",
},
},
Values: getTestValueStream(0, 90, 9, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "vector_matching_a",
"l": "x",
},
},
Values: getTestValueStream(0, 100, 1, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "vector_matching_a",
"l": "y",
},
},
Values: getTestValueStream(0, 100, 2, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "vector_matching_b",
"l": "x",
},
},
Values: getTestValueStream(0, 100, 4, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "cpu_count",
"instance": "0",
"type": "numa",
},
},
Values: getTestValueStream(0, 500, 30, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "cpu_count",
"instance": "0",
"type": "smp",
},
},
Values: getTestValueStream(0, 200, 10, testStartTime),
},
{
Metric: clientmodel.COWMetric{
Metric: clientmodel.Metric{
clientmodel.MetricNameLabel: "cpu_count",
"instance": "1",
"type": "smp",
},
},
Values: getTestValueStream(0, 200, 20, testStartTime),
},
}