mirror of
https://github.com/prometheus/prometheus.git
synced 2024-09-20 07:47:31 -07:00
f1fc7d717a
This roughly comprises the following changes: - index target pools by job instead of scrape interval - make targets within a pool exchangable while preserving existing health state for targets - allow exchanging targets via HTTP API (PUT) - show target lists in /status (experimental, for own debug use)
102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
// Copyright 2013 Prometheus Team
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package retrieval
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import (
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"github.com/prometheus/prometheus/config"
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"github.com/prometheus/prometheus/model"
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"github.com/prometheus/prometheus/retrieval/format"
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"github.com/prometheus/prometheus/utility/test"
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"testing"
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"time"
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)
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type fakeTarget struct {
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scrapeCount int
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schedules []time.Time
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interval time.Duration
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scheduleIndex int
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}
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func (t fakeTarget) Address() string {
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return "fake"
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}
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func (t fakeTarget) BaseLabels() model.LabelSet {
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return model.LabelSet{}
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}
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func (t fakeTarget) Interval() time.Duration {
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return t.interval
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}
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func (t *fakeTarget) Scrape(e time.Time, r chan format.Result) error {
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t.scrapeCount++
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return nil
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}
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func (t fakeTarget) State() TargetState {
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return ALIVE
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}
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func (t *fakeTarget) scheduledFor() (time time.Time) {
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time = t.schedules[t.scheduleIndex]
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t.scheduleIndex++
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return
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}
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func (t *fakeTarget) Merge(newTarget Target) {}
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func testTargetManager(t test.Tester) {
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results := make(chan format.Result, 5)
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targetManager := NewTargetManager(results, 3)
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testJob1 := &config.JobConfig{
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Name: "test_job1",
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}
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testJob2 := &config.JobConfig{
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Name: "test_job2",
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}
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target1GroupA := &fakeTarget{
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schedules: []time.Time{time.Now()},
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interval: time.Minute,
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}
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target2GroupA := &fakeTarget{
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schedules: []time.Time{time.Now()},
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interval: time.Minute,
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}
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targetManager.AddTarget(testJob1, target1GroupA, 0)
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targetManager.AddTarget(testJob1, target2GroupA, 0)
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target1GroupB := &fakeTarget{
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schedules: []time.Time{time.Now()},
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interval: time.Minute * 2,
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}
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targetManager.AddTarget(testJob2, target1GroupB, 0)
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}
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func TestTargetManager(t *testing.T) {
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testTargetManager(t)
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}
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func BenchmarkTargetManager(b *testing.B) {
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for i := 0; i < b.N; i++ {
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testTargetManager(b)
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}
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}
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