330 lines
7.5 KiB
Go
330 lines
7.5 KiB
Go
package notify
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/prometheus/common/model"
|
|
"golang.org/x/net/context"
|
|
|
|
"github.com/prometheus/alertmanager/config"
|
|
"github.com/prometheus/alertmanager/provider"
|
|
"github.com/prometheus/alertmanager/types"
|
|
)
|
|
|
|
type recordNotifier struct {
|
|
ctx context.Context
|
|
alerts []*types.Alert
|
|
}
|
|
|
|
func (n *recordNotifier) Notify(ctx context.Context, as ...*types.Alert) error {
|
|
n.ctx = ctx
|
|
n.alerts = append(n.alerts, as...)
|
|
return nil
|
|
}
|
|
|
|
type failNotifier struct{}
|
|
|
|
func (n *failNotifier) Notify(ctx context.Context, as ...*types.Alert) error {
|
|
return fmt.Errorf("")
|
|
}
|
|
|
|
func TestDedupingNotifier(t *testing.T) {
|
|
var (
|
|
record = &recordNotifier{}
|
|
notifies = provider.NewMemNotifies(provider.NewMemData())
|
|
deduper = NewDedupingNotifier(notifies, record)
|
|
ctx = context.Background()
|
|
)
|
|
ctx = context.WithValue(ctx, NotifyName, "name")
|
|
ctx = context.WithValue(ctx, NotifyRepeatInterval, time.Duration(100*time.Minute))
|
|
ctx = context.WithValue(ctx, NotifySendResolved, true)
|
|
|
|
now := time.Now()
|
|
|
|
alerts := []*types.Alert{
|
|
{
|
|
Labels: model.LabelSet{"alertname": "1"},
|
|
},
|
|
{
|
|
Labels: model.LabelSet{"alertname": "2"},
|
|
},
|
|
{
|
|
Labels: model.LabelSet{"alertname": "3"},
|
|
EndsAt: now.Add(-20 * time.Minute),
|
|
},
|
|
{
|
|
Labels: model.LabelSet{"alertname": "4"},
|
|
EndsAt: now.Add(-10 * time.Minute),
|
|
},
|
|
{
|
|
Labels: model.LabelSet{"alertname": "5"},
|
|
EndsAt: now.Add(-10 * time.Minute),
|
|
},
|
|
{
|
|
Labels: model.LabelSet{"alertname": "6"},
|
|
},
|
|
}
|
|
|
|
var fps []model.Fingerprint
|
|
for _, a := range alerts {
|
|
fps = append(fps, a.Fingerprint())
|
|
}
|
|
|
|
nsBefore := []*types.Notify{
|
|
// The first alert is another attempt to send a previously
|
|
// failing and firing notification.
|
|
{
|
|
Alert: fps[0],
|
|
SendTo: "name",
|
|
Resolved: false,
|
|
Delivered: false,
|
|
Timestamp: now.Add(-20 * time.Minute),
|
|
},
|
|
// The second alert comes through for the first time and
|
|
// is omitted here.
|
|
nil,
|
|
// The third alert is another attempt to send a previously
|
|
// failing and resolved notification.
|
|
{
|
|
Alert: fps[2],
|
|
SendTo: "name",
|
|
Resolved: true,
|
|
Delivered: false,
|
|
Timestamp: now.Add(-10 * time.Minute),
|
|
},
|
|
// The fourth alert is an attempt to resolve a previously
|
|
// firing and delivered alert.
|
|
{
|
|
Alert: fps[3],
|
|
SendTo: "name",
|
|
Resolved: false,
|
|
Delivered: true,
|
|
Timestamp: now.Add(-10 * time.Minute),
|
|
},
|
|
// The fifth alert is an attempt to resolve an alert again
|
|
// even though the previous notification succeeded.
|
|
{
|
|
Alert: fps[4],
|
|
SendTo: "name",
|
|
Resolved: true,
|
|
Delivered: true,
|
|
Timestamp: now.Add(-10 * time.Minute),
|
|
},
|
|
// The sixth alert resends a previously successful notification
|
|
// that was longer than ago than the repeat interval.
|
|
{
|
|
Alert: fps[5],
|
|
SendTo: "name",
|
|
Resolved: false,
|
|
Delivered: true,
|
|
Timestamp: now.Add(-110 * time.Minute),
|
|
},
|
|
}
|
|
|
|
if err := notifies.Set("name", nsBefore...); err != nil {
|
|
t.Fatalf("Setting notifies failed: %s", err)
|
|
}
|
|
|
|
deduper.notifier = &failNotifier{}
|
|
if err := deduper.Notify(ctx, alerts...); err == nil {
|
|
t.Fatalf("Fail notifier did not fail")
|
|
}
|
|
// After a failing notify the notifies data must be unchanged.
|
|
nsCur, err := notifies.Get("name", fps...)
|
|
if err != nil {
|
|
t.Fatalf("Error getting notifies", err)
|
|
}
|
|
if !reflect.DeepEqual(nsBefore, nsCur) {
|
|
t.Fatalf("Notifies data has changed unexpectedly")
|
|
}
|
|
|
|
deduper.notifier = record
|
|
if err := deduper.Notify(ctx, alerts...); err != nil {
|
|
t.Fatalf("Notify failed: %s", err)
|
|
}
|
|
|
|
alertsExp := []*types.Alert{
|
|
alerts[0],
|
|
alerts[1],
|
|
alerts[2],
|
|
alerts[3],
|
|
alerts[5],
|
|
}
|
|
|
|
nsAfter := []*types.Notify{
|
|
{
|
|
Alert: fps[0],
|
|
SendTo: "name",
|
|
Resolved: false,
|
|
Delivered: true,
|
|
},
|
|
{
|
|
Alert: fps[1],
|
|
SendTo: "name",
|
|
Resolved: false,
|
|
Delivered: true,
|
|
},
|
|
{
|
|
Alert: fps[2],
|
|
SendTo: "name",
|
|
Resolved: true,
|
|
Delivered: true,
|
|
},
|
|
{
|
|
Alert: fps[3],
|
|
SendTo: "name",
|
|
Resolved: true,
|
|
Delivered: true,
|
|
},
|
|
// Unmodified.
|
|
{
|
|
Alert: fps[4],
|
|
SendTo: "name",
|
|
Resolved: true,
|
|
Delivered: true,
|
|
Timestamp: now.Add(-10 * time.Minute),
|
|
},
|
|
{
|
|
Alert: fps[5],
|
|
SendTo: "name",
|
|
Resolved: false,
|
|
Delivered: true,
|
|
},
|
|
}
|
|
|
|
if !reflect.DeepEqual(record.alerts, alertsExp) {
|
|
t.Fatalf("Expected alerts %v, got %v", alertsExp, record.alerts)
|
|
}
|
|
nsCur, err = notifies.Get("name", fps...)
|
|
if err != nil {
|
|
t.Fatalf("Error getting notifies", err)
|
|
}
|
|
|
|
// Hack correct timestamps back in if they are sane.
|
|
for i, after := range nsAfter {
|
|
cur := nsCur[i]
|
|
if after.Timestamp.IsZero() {
|
|
if cur.Timestamp.Before(now) {
|
|
t.Fatalf("Wrong timestamp for notify %v", cur)
|
|
}
|
|
after.Timestamp = cur.Timestamp
|
|
}
|
|
if !reflect.DeepEqual(after, cur) {
|
|
t.Errorf("Unexpected notifies, expected: %v, got: %v", after, cur)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRoutedNotifier(t *testing.T) {
|
|
notifiers := map[string]Notifier{
|
|
"1": &recordNotifier{},
|
|
"2": &recordNotifier{},
|
|
"3": &recordNotifier{},
|
|
}
|
|
notifierOpts := map[string]*config.NotificationConfig{
|
|
"1": &config.NotificationConfig{
|
|
SendResolved: false,
|
|
RepeatInterval: 10000,
|
|
},
|
|
"2": &config.NotificationConfig{
|
|
SendResolved: true,
|
|
RepeatInterval: 20000,
|
|
},
|
|
"3": &config.NotificationConfig{
|
|
SendResolved: false,
|
|
RepeatInterval: 30000,
|
|
},
|
|
}
|
|
routed := &RoutedNotifier{
|
|
notifiers: notifiers,
|
|
notifierOpts: notifierOpts,
|
|
}
|
|
|
|
for _, route := range []string{"3", "2", "1"} {
|
|
var (
|
|
ctx = context.WithValue(context.Background(), NotifyName, route)
|
|
alert = &types.Alert{
|
|
Labels: model.LabelSet{"route": model.LabelValue(route)},
|
|
}
|
|
)
|
|
err := routed.Notify(ctx, alert)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
rn := routed.notifiers[route].(*recordNotifier)
|
|
if len(rn.alerts) != 1 && alert != rn.alerts[0] {
|
|
t.Fatalf("Expeceted alert %v, got %v", alert, rn.alerts)
|
|
}
|
|
|
|
// The context handed down the chain must be populated with the
|
|
// necessary information of the notification config.
|
|
name, ok := rn.ctx.Value(NotifyName).(string)
|
|
if !ok || name != route {
|
|
t.Fatalf("Expected name %q, got %q", name, route)
|
|
}
|
|
|
|
repeatInterval, ok := rn.ctx.Value(NotifyRepeatInterval).(time.Duration)
|
|
if ri := notifierOpts[route].RepeatInterval; !ok || repeatInterval != time.Duration(ri) {
|
|
t.Fatalf("Expected repeat interval %q, got %q", ri, repeatInterval)
|
|
}
|
|
|
|
sendResolved, ok := rn.ctx.Value(NotifySendResolved).(bool)
|
|
if sr := notifierOpts[route].SendResolved; !ok || sendResolved != sr {
|
|
t.Fatalf("Expected send resolved %q, got %q", sr, sendResolved)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestMutingNotifier(t *testing.T) {
|
|
// Mute all label sets that have a "mute" key.
|
|
muter := types.MuteFunc(func(lset model.LabelSet) bool {
|
|
_, ok := lset["mute"]
|
|
return ok
|
|
})
|
|
|
|
record := &recordNotifier{}
|
|
muteNotifer := MutingNotifier{
|
|
Notifier: record,
|
|
Muter: muter,
|
|
}
|
|
|
|
in := []model.LabelSet{
|
|
{},
|
|
{"test": "set"},
|
|
{"mute": "me"},
|
|
{"foo": "bar", "test": "set"},
|
|
{"foo": "bar", "mute": "me"},
|
|
{},
|
|
{"not": "muted"},
|
|
}
|
|
out := []model.LabelSet{
|
|
{},
|
|
{"test": "set"},
|
|
{"foo": "bar", "test": "set"},
|
|
{},
|
|
{"not": "muted"},
|
|
}
|
|
|
|
var inAlerts []*types.Alert
|
|
for _, lset := range in {
|
|
inAlerts = append(inAlerts, &types.Alert{Labels: lset})
|
|
}
|
|
|
|
if err := muteNotifer.Notify(nil, inAlerts...); err != nil {
|
|
t.Fatalf("Notifying failed: %s", err)
|
|
}
|
|
|
|
var got []model.LabelSet
|
|
for _, a := range record.alerts {
|
|
got = append(got, a.Labels)
|
|
}
|
|
|
|
if !reflect.DeepEqual(got, out) {
|
|
t.Fatalf("Muting failed, expected: %v\ngot %v", out, got)
|
|
}
|
|
}
|