126 lines
2.8 KiB
Go
126 lines
2.8 KiB
Go
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// Copyright 2018 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 test
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import (
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"fmt"
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"sync"
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"testing"
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"time"
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a "github.com/prometheus/alertmanager/test/with_api_v2"
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)
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// TestClusterDeduplication tests, that in an Alertmanager cluster of 3
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// instances, only one should send a notification for a given alert.
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func TestClusterDeduplication(t *testing.T) {
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t.Parallel()
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conf := `
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route:
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receiver: "default"
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group_by: []
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group_wait: 1s
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group_interval: 1s
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repeat_interval: 1h
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receivers:
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- name: "default"
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webhook_configs:
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- url: 'http://%s'
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`
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at := a.NewAcceptanceTest(t, &a.AcceptanceOpts{
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Tolerance: 1 * time.Second,
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})
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co := at.Collector("webhook")
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wh := a.NewWebhook(co)
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amc := at.AlertmanagerCluster(fmt.Sprintf(conf, wh.Address()), 3)
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amc.Push(a.At(1), a.Alert("alertname", "test1"))
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co.Want(a.Between(2, 3), a.Alert("alertname", "test1").Active(1))
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at.Run()
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t.Log(co.Check())
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}
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// TestClusterVSInstance compares notifications sent by Alertmanager cluster to
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// notifications sent by single instance.
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func TestClusterVSInstance(t *testing.T) {
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t.Parallel()
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conf := `
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route:
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receiver: "default"
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group_by: [ "alertname" ]
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group_wait: 1s
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group_interval: 1s
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repeat_interval: 1h
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receivers:
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- name: "default"
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webhook_configs:
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- url: 'http://%s'
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`
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acceptanceOpts := &a.AcceptanceOpts{
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Tolerance: 2 * time.Second,
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}
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clusterSizes := []int{1, 3}
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tests := []*a.AcceptanceTest{
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a.NewAcceptanceTest(t, acceptanceOpts),
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a.NewAcceptanceTest(t, acceptanceOpts),
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}
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collectors := []*a.Collector{}
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amClusters := []*a.AlertmanagerCluster{}
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wg := sync.WaitGroup{}
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for i, t := range tests {
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collectors = append(collectors, t.Collector("webhook"))
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webhook := a.NewWebhook(collectors[i])
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amClusters = append(amClusters, t.AlertmanagerCluster(fmt.Sprintf(conf, webhook.Address()), clusterSizes[i]))
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wg.Add(1)
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}
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for _, time := range []float64{0, 2, 4, 6, 8} {
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for i, amc := range amClusters {
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alert := a.Alert("alertname", fmt.Sprintf("test1-%v", time))
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amc.Push(a.At(time), alert)
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collectors[i].Want(a.Between(time, time+5), alert.Active(time))
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}
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}
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for _, t := range tests {
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go func(t *a.AcceptanceTest) {
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t.Run()
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wg.Done()
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}(t)
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}
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wg.Wait()
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_, err := a.CompareCollectors(collectors[0], collectors[1], acceptanceOpts)
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if err != nil {
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t.Fatal(err)
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}
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}
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