mirror of
https://github.com/prometheus/alertmanager
synced 2024-12-26 16:12:20 +00:00
694 lines
18 KiB
Go
694 lines
18 KiB
Go
// Copyright 2018 Prometheus Team
|
|
// 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 dispatch
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"reflect"
|
|
"sort"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/go-kit/log"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/client_golang/prometheus/testutil"
|
|
"github.com/prometheus/common/model"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/prometheus/alertmanager/config"
|
|
"github.com/prometheus/alertmanager/notify"
|
|
"github.com/prometheus/alertmanager/provider/mem"
|
|
"github.com/prometheus/alertmanager/types"
|
|
)
|
|
|
|
func TestAggrGroup(t *testing.T) {
|
|
lset := model.LabelSet{
|
|
"a": "v1",
|
|
"b": "v2",
|
|
}
|
|
opts := &RouteOpts{
|
|
Receiver: "n1",
|
|
GroupBy: map[model.LabelName]struct{}{
|
|
"a": {},
|
|
"b": {},
|
|
},
|
|
GroupWait: 1 * time.Second,
|
|
GroupInterval: 300 * time.Millisecond,
|
|
RepeatInterval: 1 * time.Hour,
|
|
}
|
|
route := &Route{
|
|
RouteOpts: *opts,
|
|
}
|
|
|
|
var (
|
|
a1 = &types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: model.LabelSet{
|
|
"a": "v1",
|
|
"b": "v2",
|
|
"c": "v3",
|
|
},
|
|
StartsAt: time.Now().Add(time.Minute),
|
|
EndsAt: time.Now().Add(time.Hour),
|
|
},
|
|
UpdatedAt: time.Now(),
|
|
}
|
|
a2 = &types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: model.LabelSet{
|
|
"a": "v1",
|
|
"b": "v2",
|
|
"c": "v4",
|
|
},
|
|
StartsAt: time.Now().Add(-time.Hour),
|
|
EndsAt: time.Now().Add(2 * time.Hour),
|
|
},
|
|
UpdatedAt: time.Now(),
|
|
}
|
|
a3 = &types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: model.LabelSet{
|
|
"a": "v1",
|
|
"b": "v2",
|
|
"c": "v5",
|
|
},
|
|
StartsAt: time.Now().Add(time.Minute),
|
|
EndsAt: time.Now().Add(5 * time.Minute),
|
|
},
|
|
UpdatedAt: time.Now(),
|
|
}
|
|
)
|
|
|
|
var (
|
|
last = time.Now()
|
|
current = time.Now()
|
|
lastCurMtx = &sync.Mutex{}
|
|
alertsCh = make(chan types.AlertSlice)
|
|
)
|
|
|
|
ntfy := func(ctx context.Context, alerts ...*types.Alert) bool {
|
|
// Validate that the context is properly populated.
|
|
if _, ok := notify.Now(ctx); !ok {
|
|
t.Errorf("now missing")
|
|
}
|
|
if _, ok := notify.GroupKey(ctx); !ok {
|
|
t.Errorf("group key missing")
|
|
}
|
|
if lbls, ok := notify.GroupLabels(ctx); !ok || !reflect.DeepEqual(lbls, lset) {
|
|
t.Errorf("wrong group labels: %q", lbls)
|
|
}
|
|
if rcv, ok := notify.ReceiverName(ctx); !ok || rcv != opts.Receiver {
|
|
t.Errorf("wrong receiver: %q", rcv)
|
|
}
|
|
if ri, ok := notify.RepeatInterval(ctx); !ok || ri != opts.RepeatInterval {
|
|
t.Errorf("wrong repeat interval: %q", ri)
|
|
}
|
|
|
|
lastCurMtx.Lock()
|
|
last = current
|
|
// Subtract a millisecond to allow for races.
|
|
current = time.Now().Add(-time.Millisecond)
|
|
lastCurMtx.Unlock()
|
|
|
|
alertsCh <- types.AlertSlice(alerts)
|
|
|
|
return true
|
|
}
|
|
|
|
removeEndsAt := func(as types.AlertSlice) types.AlertSlice {
|
|
for i, a := range as {
|
|
ac := *a
|
|
ac.EndsAt = time.Time{}
|
|
as[i] = &ac
|
|
}
|
|
return as
|
|
}
|
|
|
|
// Test regular situation where we wait for group_wait to send out alerts.
|
|
ag := newAggrGroup(context.Background(), lset, route, nil, log.NewNopLogger())
|
|
go ag.run(ntfy)
|
|
|
|
ag.insert(a1)
|
|
|
|
select {
|
|
case <-time.After(2 * opts.GroupWait):
|
|
t.Fatalf("expected initial batch after group_wait")
|
|
|
|
case batch := <-alertsCh:
|
|
lastCurMtx.Lock()
|
|
s := time.Since(last)
|
|
lastCurMtx.Unlock()
|
|
if s < opts.GroupWait {
|
|
t.Fatalf("received batch too early after %v", s)
|
|
}
|
|
exp := removeEndsAt(types.AlertSlice{a1})
|
|
sort.Sort(batch)
|
|
|
|
if !reflect.DeepEqual(batch, exp) {
|
|
t.Fatalf("expected alerts %v but got %v", exp, batch)
|
|
}
|
|
}
|
|
|
|
for i := 0; i < 3; i++ {
|
|
// New alert should come in after group interval.
|
|
ag.insert(a3)
|
|
|
|
select {
|
|
case <-time.After(2 * opts.GroupInterval):
|
|
t.Fatalf("expected new batch after group interval but received none")
|
|
|
|
case batch := <-alertsCh:
|
|
lastCurMtx.Lock()
|
|
s := time.Since(last)
|
|
lastCurMtx.Unlock()
|
|
if s < opts.GroupInterval {
|
|
t.Fatalf("received batch too early after %v", s)
|
|
}
|
|
exp := removeEndsAt(types.AlertSlice{a1, a3})
|
|
sort.Sort(batch)
|
|
|
|
if !reflect.DeepEqual(batch, exp) {
|
|
t.Fatalf("expected alerts %v but got %v", exp, batch)
|
|
}
|
|
}
|
|
}
|
|
|
|
ag.stop()
|
|
|
|
// Add an alert that started more than group_interval in the past. We expect
|
|
// immediate flushing.
|
|
// Finally, set all alerts to be resolved. After successful notify the aggregation group
|
|
// should empty itself.
|
|
ag = newAggrGroup(context.Background(), lset, route, nil, log.NewNopLogger())
|
|
go ag.run(ntfy)
|
|
|
|
ag.insert(a1)
|
|
ag.insert(a2)
|
|
|
|
// a2 lies way in the past so the initial group_wait should be skipped.
|
|
select {
|
|
case <-time.After(opts.GroupWait / 2):
|
|
t.Fatalf("expected immediate alert but received none")
|
|
|
|
case batch := <-alertsCh:
|
|
exp := removeEndsAt(types.AlertSlice{a1, a2})
|
|
sort.Sort(batch)
|
|
|
|
if !reflect.DeepEqual(batch, exp) {
|
|
t.Fatalf("expected alerts %v but got %v", exp, batch)
|
|
}
|
|
}
|
|
|
|
for i := 0; i < 3; i++ {
|
|
// New alert should come in after group interval.
|
|
ag.insert(a3)
|
|
|
|
select {
|
|
case <-time.After(2 * opts.GroupInterval):
|
|
t.Fatalf("expected new batch after group interval but received none")
|
|
|
|
case batch := <-alertsCh:
|
|
lastCurMtx.Lock()
|
|
s := time.Since(last)
|
|
lastCurMtx.Unlock()
|
|
if s < opts.GroupInterval {
|
|
t.Fatalf("received batch too early after %v", s)
|
|
}
|
|
exp := removeEndsAt(types.AlertSlice{a1, a2, a3})
|
|
sort.Sort(batch)
|
|
|
|
if !reflect.DeepEqual(batch, exp) {
|
|
t.Fatalf("expected alerts %v but got %v", exp, batch)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Resolve all alerts, they should be removed after the next batch was sent.
|
|
a1r, a2r, a3r := *a1, *a2, *a3
|
|
resolved := types.AlertSlice{&a1r, &a2r, &a3r}
|
|
for _, a := range resolved {
|
|
a.EndsAt = time.Now()
|
|
ag.insert(a)
|
|
}
|
|
|
|
select {
|
|
case <-time.After(2 * opts.GroupInterval):
|
|
t.Fatalf("expected new batch after group interval but received none")
|
|
|
|
case batch := <-alertsCh:
|
|
lastCurMtx.Lock()
|
|
s := time.Since(last)
|
|
lastCurMtx.Unlock()
|
|
if s < opts.GroupInterval {
|
|
t.Fatalf("received batch too early after %v", s)
|
|
}
|
|
sort.Sort(batch)
|
|
|
|
if !reflect.DeepEqual(batch, resolved) {
|
|
t.Fatalf("expected alerts %v but got %v", resolved, batch)
|
|
}
|
|
|
|
if !ag.empty() {
|
|
t.Fatalf("Expected aggregation group to be empty after resolving alerts: %v", ag)
|
|
}
|
|
}
|
|
|
|
ag.stop()
|
|
}
|
|
|
|
func TestGroupLabels(t *testing.T) {
|
|
a := &types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: model.LabelSet{
|
|
"a": "v1",
|
|
"b": "v2",
|
|
"c": "v3",
|
|
},
|
|
},
|
|
}
|
|
|
|
route := &Route{
|
|
RouteOpts: RouteOpts{
|
|
GroupBy: map[model.LabelName]struct{}{
|
|
"a": {},
|
|
"b": {},
|
|
},
|
|
GroupByAll: false,
|
|
},
|
|
}
|
|
|
|
expLs := model.LabelSet{
|
|
"a": "v1",
|
|
"b": "v2",
|
|
}
|
|
|
|
ls := getGroupLabels(a, route)
|
|
|
|
if !reflect.DeepEqual(ls, expLs) {
|
|
t.Fatalf("expected labels are %v, but got %v", expLs, ls)
|
|
}
|
|
}
|
|
|
|
func TestGroupByAllLabels(t *testing.T) {
|
|
a := &types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: model.LabelSet{
|
|
"a": "v1",
|
|
"b": "v2",
|
|
"c": "v3",
|
|
},
|
|
},
|
|
}
|
|
|
|
route := &Route{
|
|
RouteOpts: RouteOpts{
|
|
GroupBy: map[model.LabelName]struct{}{},
|
|
GroupByAll: true,
|
|
},
|
|
}
|
|
|
|
expLs := model.LabelSet{
|
|
"a": "v1",
|
|
"b": "v2",
|
|
"c": "v3",
|
|
}
|
|
|
|
ls := getGroupLabels(a, route)
|
|
|
|
if !reflect.DeepEqual(ls, expLs) {
|
|
t.Fatalf("expected labels are %v, but got %v", expLs, ls)
|
|
}
|
|
}
|
|
|
|
func TestGroups(t *testing.T) {
|
|
confData := `receivers:
|
|
- name: 'kafka'
|
|
- name: 'prod'
|
|
- name: 'testing'
|
|
|
|
route:
|
|
group_by: ['alertname']
|
|
group_wait: 10ms
|
|
group_interval: 10ms
|
|
receiver: 'prod'
|
|
routes:
|
|
- match:
|
|
env: 'testing'
|
|
receiver: 'testing'
|
|
group_by: ['alertname', 'service']
|
|
- match:
|
|
env: 'prod'
|
|
receiver: 'prod'
|
|
group_by: ['alertname', 'service', 'cluster']
|
|
continue: true
|
|
- match:
|
|
kafka: 'yes'
|
|
receiver: 'kafka'
|
|
group_by: ['alertname', 'service', 'cluster']`
|
|
conf, err := config.Load(confData)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
logger := log.NewNopLogger()
|
|
route := NewRoute(conf.Route, nil)
|
|
marker := types.NewMarker(prometheus.NewRegistry())
|
|
alerts, err := mem.NewAlerts(context.Background(), marker, time.Hour, nil, logger, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer alerts.Close()
|
|
|
|
timeout := func(d time.Duration) time.Duration { return time.Duration(0) }
|
|
recorder := &recordStage{alerts: make(map[string]map[model.Fingerprint]*types.Alert)}
|
|
dispatcher := NewDispatcher(alerts, route, recorder, marker, timeout, nil, logger, NewDispatcherMetrics(false, prometheus.NewRegistry()))
|
|
go dispatcher.Run()
|
|
defer dispatcher.Stop()
|
|
|
|
// Create alerts. the dispatcher will automatically create the groups.
|
|
inputAlerts := []*types.Alert{
|
|
// Matches the parent route.
|
|
newAlert(model.LabelSet{"alertname": "OtherAlert", "cluster": "cc", "service": "dd"}),
|
|
// Matches the first sub-route.
|
|
newAlert(model.LabelSet{"env": "testing", "alertname": "TestingAlert", "service": "api", "instance": "inst1"}),
|
|
// Matches the second sub-route.
|
|
newAlert(model.LabelSet{"env": "prod", "alertname": "HighErrorRate", "cluster": "aa", "service": "api", "instance": "inst1"}),
|
|
newAlert(model.LabelSet{"env": "prod", "alertname": "HighErrorRate", "cluster": "aa", "service": "api", "instance": "inst2"}),
|
|
// Matches the second sub-route.
|
|
newAlert(model.LabelSet{"env": "prod", "alertname": "HighErrorRate", "cluster": "bb", "service": "api", "instance": "inst1"}),
|
|
// Matches the second and third sub-route.
|
|
newAlert(model.LabelSet{"env": "prod", "alertname": "HighLatency", "cluster": "bb", "service": "db", "kafka": "yes", "instance": "inst3"}),
|
|
}
|
|
alerts.Put(inputAlerts...)
|
|
|
|
// Let alerts get processed.
|
|
for i := 0; len(recorder.Alerts()) != 7 && i < 10; i++ {
|
|
time.Sleep(200 * time.Millisecond)
|
|
}
|
|
require.Len(t, recorder.Alerts(), 7)
|
|
|
|
alertGroups, receivers := dispatcher.Groups(
|
|
func(*Route) bool {
|
|
return true
|
|
}, func(*types.Alert, time.Time) bool {
|
|
return true
|
|
},
|
|
)
|
|
|
|
require.Equal(t, AlertGroups{
|
|
&AlertGroup{
|
|
Alerts: []*types.Alert{inputAlerts[0]},
|
|
Labels: model.LabelSet{
|
|
"alertname": "OtherAlert",
|
|
},
|
|
Receiver: "prod",
|
|
},
|
|
&AlertGroup{
|
|
Alerts: []*types.Alert{inputAlerts[1]},
|
|
Labels: model.LabelSet{
|
|
"alertname": "TestingAlert",
|
|
"service": "api",
|
|
},
|
|
Receiver: "testing",
|
|
},
|
|
&AlertGroup{
|
|
Alerts: []*types.Alert{inputAlerts[2], inputAlerts[3]},
|
|
Labels: model.LabelSet{
|
|
"alertname": "HighErrorRate",
|
|
"service": "api",
|
|
"cluster": "aa",
|
|
},
|
|
Receiver: "prod",
|
|
},
|
|
&AlertGroup{
|
|
Alerts: []*types.Alert{inputAlerts[4]},
|
|
Labels: model.LabelSet{
|
|
"alertname": "HighErrorRate",
|
|
"service": "api",
|
|
"cluster": "bb",
|
|
},
|
|
Receiver: "prod",
|
|
},
|
|
&AlertGroup{
|
|
Alerts: []*types.Alert{inputAlerts[5]},
|
|
Labels: model.LabelSet{
|
|
"alertname": "HighLatency",
|
|
"service": "db",
|
|
"cluster": "bb",
|
|
},
|
|
Receiver: "kafka",
|
|
},
|
|
&AlertGroup{
|
|
Alerts: []*types.Alert{inputAlerts[5]},
|
|
Labels: model.LabelSet{
|
|
"alertname": "HighLatency",
|
|
"service": "db",
|
|
"cluster": "bb",
|
|
},
|
|
Receiver: "prod",
|
|
},
|
|
}, alertGroups)
|
|
require.Equal(t, map[model.Fingerprint][]string{
|
|
inputAlerts[0].Fingerprint(): {"prod"},
|
|
inputAlerts[1].Fingerprint(): {"testing"},
|
|
inputAlerts[2].Fingerprint(): {"prod"},
|
|
inputAlerts[3].Fingerprint(): {"prod"},
|
|
inputAlerts[4].Fingerprint(): {"prod"},
|
|
inputAlerts[5].Fingerprint(): {"kafka", "prod"},
|
|
}, receivers)
|
|
}
|
|
|
|
func TestGroupsWithLimits(t *testing.T) {
|
|
confData := `receivers:
|
|
- name: 'kafka'
|
|
- name: 'prod'
|
|
- name: 'testing'
|
|
|
|
route:
|
|
group_by: ['alertname']
|
|
group_wait: 10ms
|
|
group_interval: 10ms
|
|
receiver: 'prod'
|
|
routes:
|
|
- match:
|
|
env: 'testing'
|
|
receiver: 'testing'
|
|
group_by: ['alertname', 'service']
|
|
- match:
|
|
env: 'prod'
|
|
receiver: 'prod'
|
|
group_by: ['alertname', 'service', 'cluster']
|
|
continue: true
|
|
- match:
|
|
kafka: 'yes'
|
|
receiver: 'kafka'
|
|
group_by: ['alertname', 'service', 'cluster']`
|
|
conf, err := config.Load(confData)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
logger := log.NewNopLogger()
|
|
route := NewRoute(conf.Route, nil)
|
|
marker := types.NewMarker(prometheus.NewRegistry())
|
|
alerts, err := mem.NewAlerts(context.Background(), marker, time.Hour, nil, logger, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer alerts.Close()
|
|
|
|
timeout := func(d time.Duration) time.Duration { return time.Duration(0) }
|
|
recorder := &recordStage{alerts: make(map[string]map[model.Fingerprint]*types.Alert)}
|
|
lim := limits{groups: 6}
|
|
m := NewDispatcherMetrics(true, prometheus.NewRegistry())
|
|
dispatcher := NewDispatcher(alerts, route, recorder, marker, timeout, lim, logger, m)
|
|
go dispatcher.Run()
|
|
defer dispatcher.Stop()
|
|
|
|
// Create alerts. the dispatcher will automatically create the groups.
|
|
inputAlerts := []*types.Alert{
|
|
// Matches the parent route.
|
|
newAlert(model.LabelSet{"alertname": "OtherAlert", "cluster": "cc", "service": "dd"}),
|
|
// Matches the first sub-route.
|
|
newAlert(model.LabelSet{"env": "testing", "alertname": "TestingAlert", "service": "api", "instance": "inst1"}),
|
|
// Matches the second sub-route.
|
|
newAlert(model.LabelSet{"env": "prod", "alertname": "HighErrorRate", "cluster": "aa", "service": "api", "instance": "inst1"}),
|
|
newAlert(model.LabelSet{"env": "prod", "alertname": "HighErrorRate", "cluster": "aa", "service": "api", "instance": "inst2"}),
|
|
// Matches the second sub-route.
|
|
newAlert(model.LabelSet{"env": "prod", "alertname": "HighErrorRate", "cluster": "bb", "service": "api", "instance": "inst1"}),
|
|
// Matches the second and third sub-route.
|
|
newAlert(model.LabelSet{"env": "prod", "alertname": "HighLatency", "cluster": "bb", "service": "db", "kafka": "yes", "instance": "inst3"}),
|
|
}
|
|
err = alerts.Put(inputAlerts...)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Let alerts get processed.
|
|
for i := 0; len(recorder.Alerts()) != 7 && i < 10; i++ {
|
|
time.Sleep(200 * time.Millisecond)
|
|
}
|
|
require.Len(t, recorder.Alerts(), 7)
|
|
|
|
routeFilter := func(*Route) bool { return true }
|
|
alertFilter := func(*types.Alert, time.Time) bool { return true }
|
|
|
|
alertGroups, _ := dispatcher.Groups(routeFilter, alertFilter)
|
|
require.Len(t, alertGroups, 6)
|
|
|
|
require.Equal(t, 0.0, testutil.ToFloat64(m.aggrGroupLimitReached))
|
|
|
|
// Try to store new alert. This time, we will hit limit for number of groups.
|
|
err = alerts.Put(newAlert(model.LabelSet{"env": "prod", "alertname": "NewAlert", "cluster": "new-cluster", "service": "db"}))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Let alert get processed.
|
|
for i := 0; testutil.ToFloat64(m.aggrGroupLimitReached) == 0 && i < 10; i++ {
|
|
time.Sleep(200 * time.Millisecond)
|
|
}
|
|
require.Equal(t, 1.0, testutil.ToFloat64(m.aggrGroupLimitReached))
|
|
|
|
// Verify there are still only 6 groups.
|
|
alertGroups, _ = dispatcher.Groups(routeFilter, alertFilter)
|
|
require.Len(t, alertGroups, 6)
|
|
}
|
|
|
|
type recordStage struct {
|
|
mtx sync.RWMutex
|
|
alerts map[string]map[model.Fingerprint]*types.Alert
|
|
}
|
|
|
|
func (r *recordStage) Alerts() []*types.Alert {
|
|
r.mtx.RLock()
|
|
defer r.mtx.RUnlock()
|
|
alerts := make([]*types.Alert, 0)
|
|
for k := range r.alerts {
|
|
for _, a := range r.alerts[k] {
|
|
alerts = append(alerts, a)
|
|
}
|
|
}
|
|
return alerts
|
|
}
|
|
|
|
func (r *recordStage) Exec(ctx context.Context, l log.Logger, alerts ...*types.Alert) (context.Context, []*types.Alert, error) {
|
|
r.mtx.Lock()
|
|
defer r.mtx.Unlock()
|
|
gk, ok := notify.GroupKey(ctx)
|
|
if !ok {
|
|
panic("GroupKey not present!")
|
|
}
|
|
if _, ok := r.alerts[gk]; !ok {
|
|
r.alerts[gk] = make(map[model.Fingerprint]*types.Alert)
|
|
}
|
|
for _, a := range alerts {
|
|
r.alerts[gk][a.Fingerprint()] = a
|
|
}
|
|
return ctx, nil, nil
|
|
}
|
|
|
|
var (
|
|
// Set the start time in the past to trigger a flush immediately.
|
|
t0 = time.Now().Add(-time.Minute)
|
|
// Set the end time in the future to avoid deleting the alert.
|
|
t1 = t0.Add(2 * time.Minute)
|
|
)
|
|
|
|
func newAlert(labels model.LabelSet) *types.Alert {
|
|
return &types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: labels,
|
|
Annotations: model.LabelSet{"foo": "bar"},
|
|
StartsAt: t0,
|
|
EndsAt: t1,
|
|
GeneratorURL: "http://example.com/prometheus",
|
|
},
|
|
UpdatedAt: t0,
|
|
Timeout: false,
|
|
}
|
|
}
|
|
|
|
func TestDispatcherRace(t *testing.T) {
|
|
logger := log.NewNopLogger()
|
|
marker := types.NewMarker(prometheus.NewRegistry())
|
|
alerts, err := mem.NewAlerts(context.Background(), marker, time.Hour, nil, logger, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer alerts.Close()
|
|
|
|
timeout := func(d time.Duration) time.Duration { return time.Duration(0) }
|
|
dispatcher := NewDispatcher(alerts, nil, nil, marker, timeout, nil, logger, NewDispatcherMetrics(false, prometheus.NewRegistry()))
|
|
go dispatcher.Run()
|
|
dispatcher.Stop()
|
|
}
|
|
|
|
func TestDispatcherRaceOnFirstAlertNotDeliveredWhenGroupWaitIsZero(t *testing.T) {
|
|
const numAlerts = 5000
|
|
|
|
logger := log.NewNopLogger()
|
|
marker := types.NewMarker(prometheus.NewRegistry())
|
|
alerts, err := mem.NewAlerts(context.Background(), marker, time.Hour, nil, logger, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer alerts.Close()
|
|
|
|
route := &Route{
|
|
RouteOpts: RouteOpts{
|
|
Receiver: "default",
|
|
GroupBy: map[model.LabelName]struct{}{"alertname": {}},
|
|
GroupWait: 0,
|
|
GroupInterval: 1 * time.Hour, // Should never hit in this test.
|
|
RepeatInterval: 1 * time.Hour, // Should never hit in this test.
|
|
},
|
|
}
|
|
|
|
timeout := func(d time.Duration) time.Duration { return d }
|
|
recorder := &recordStage{alerts: make(map[string]map[model.Fingerprint]*types.Alert)}
|
|
dispatcher := NewDispatcher(alerts, route, recorder, marker, timeout, nil, logger, NewDispatcherMetrics(false, prometheus.NewRegistry()))
|
|
go dispatcher.Run()
|
|
defer dispatcher.Stop()
|
|
|
|
// Push all alerts.
|
|
for i := 0; i < numAlerts; i++ {
|
|
alert := newAlert(model.LabelSet{"alertname": model.LabelValue(fmt.Sprintf("Alert_%d", i))})
|
|
require.NoError(t, alerts.Put(alert))
|
|
}
|
|
|
|
// Wait until the alerts have been notified or the waiting timeout expires.
|
|
for deadline := time.Now().Add(5 * time.Second); time.Now().Before(deadline); {
|
|
if len(recorder.Alerts()) >= numAlerts {
|
|
break
|
|
}
|
|
|
|
// Throttle.
|
|
time.Sleep(10 * time.Millisecond)
|
|
}
|
|
|
|
// We expect all alerts to be notified immediately, since they all belong to different groups.
|
|
require.Len(t, recorder.Alerts(), numAlerts)
|
|
}
|
|
|
|
type limits struct {
|
|
groups int
|
|
}
|
|
|
|
func (l limits) MaxNumberOfAggregationGroups() int {
|
|
return l.groups
|
|
}
|