586 lines
15 KiB
Go
586 lines
15 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 v1
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"regexp"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/prometheus/common/model"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/prometheus/alertmanager/config"
|
|
"github.com/prometheus/alertmanager/dispatch"
|
|
"github.com/prometheus/alertmanager/pkg/labels"
|
|
"github.com/prometheus/alertmanager/provider"
|
|
"github.com/prometheus/alertmanager/types"
|
|
)
|
|
|
|
// fakeAlerts is a struct implementing the provider.Alerts interface for tests.
|
|
type fakeAlerts struct {
|
|
fps map[model.Fingerprint]int
|
|
alerts []*types.Alert
|
|
err error
|
|
}
|
|
|
|
func newFakeAlerts(alerts []*types.Alert, withErr bool) *fakeAlerts {
|
|
fps := make(map[model.Fingerprint]int)
|
|
for i, a := range alerts {
|
|
fps[a.Fingerprint()] = i
|
|
}
|
|
f := &fakeAlerts{
|
|
alerts: alerts,
|
|
fps: fps,
|
|
}
|
|
if withErr {
|
|
f.err = errors.New("error occurred")
|
|
}
|
|
return f
|
|
}
|
|
|
|
func (f *fakeAlerts) Subscribe() provider.AlertIterator { return nil }
|
|
func (f *fakeAlerts) Get(model.Fingerprint) (*types.Alert, error) { return nil, nil }
|
|
func (f *fakeAlerts) Put(alerts ...*types.Alert) error {
|
|
return f.err
|
|
}
|
|
func (f *fakeAlerts) GetPending() provider.AlertIterator {
|
|
ch := make(chan *types.Alert)
|
|
done := make(chan struct{})
|
|
go func() {
|
|
defer close(ch)
|
|
for _, a := range f.alerts {
|
|
ch <- a
|
|
}
|
|
}()
|
|
return provider.NewAlertIterator(ch, done, f.err)
|
|
}
|
|
|
|
func newGetAlertStatus(f *fakeAlerts) func(model.Fingerprint) types.AlertStatus {
|
|
return func(fp model.Fingerprint) types.AlertStatus {
|
|
status := types.AlertStatus{SilencedBy: []string{}, InhibitedBy: []string{}}
|
|
|
|
i, ok := f.fps[fp]
|
|
if !ok {
|
|
return status
|
|
}
|
|
alert := f.alerts[i]
|
|
switch alert.Labels["state"] {
|
|
case "active":
|
|
status.State = types.AlertStateActive
|
|
case "unprocessed":
|
|
status.State = types.AlertStateUnprocessed
|
|
case "suppressed":
|
|
status.State = types.AlertStateSuppressed
|
|
}
|
|
if alert.Labels["silenced_by"] != "" {
|
|
status.SilencedBy = append(status.SilencedBy, string(alert.Labels["silenced_by"]))
|
|
}
|
|
if alert.Labels["inhibited_by"] != "" {
|
|
status.InhibitedBy = append(status.InhibitedBy, string(alert.Labels["inhibited_by"]))
|
|
}
|
|
return status
|
|
}
|
|
}
|
|
|
|
func TestAddAlerts(t *testing.T) {
|
|
now := func(offset int) time.Time {
|
|
return time.Now().Add(time.Duration(offset) * time.Second)
|
|
}
|
|
|
|
for i, tc := range []struct {
|
|
start, end time.Time
|
|
err bool
|
|
code int
|
|
}{
|
|
{time.Time{}, time.Time{}, false, 200},
|
|
{now(0), time.Time{}, false, 200},
|
|
{time.Time{}, now(-1), false, 200},
|
|
{time.Time{}, now(0), false, 200},
|
|
{time.Time{}, now(1), false, 200},
|
|
{now(-2), now(-1), false, 200},
|
|
{now(1), now(2), false, 200},
|
|
{now(1), now(0), false, 400},
|
|
{now(0), time.Time{}, true, 500},
|
|
} {
|
|
alerts := []model.Alert{{
|
|
StartsAt: tc.start,
|
|
EndsAt: tc.end,
|
|
Labels: model.LabelSet{"label1": "test1"},
|
|
Annotations: model.LabelSet{"annotation1": "some text"},
|
|
}}
|
|
b, err := json.Marshal(&alerts)
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
|
|
alertsProvider := newFakeAlerts([]*types.Alert{}, tc.err)
|
|
api := New(alertsProvider, nil, newGetAlertStatus(alertsProvider), nil, nil, nil)
|
|
defaultGlobalConfig := config.DefaultGlobalConfig()
|
|
route := config.Route{}
|
|
api.Update(&config.Config{
|
|
Global: &defaultGlobalConfig,
|
|
Route: &route,
|
|
})
|
|
|
|
r, err := http.NewRequest("POST", "/api/v1/alerts", bytes.NewReader(b))
|
|
w := httptest.NewRecorder()
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
|
|
api.addAlerts(w, r)
|
|
res := w.Result()
|
|
body, _ := ioutil.ReadAll(res.Body)
|
|
|
|
require.Equal(t, tc.code, w.Code, fmt.Sprintf("test case: %d, StartsAt %v, EndsAt %v, Response: %s", i, tc.start, tc.end, string(body)))
|
|
}
|
|
}
|
|
|
|
func TestListAlerts(t *testing.T) {
|
|
now := time.Now()
|
|
alerts := []*types.Alert{
|
|
&types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: model.LabelSet{"state": "active", "alertname": "alert1"},
|
|
StartsAt: now.Add(-time.Minute),
|
|
},
|
|
},
|
|
&types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: model.LabelSet{"state": "unprocessed", "alertname": "alert2"},
|
|
StartsAt: now.Add(-time.Minute),
|
|
},
|
|
},
|
|
&types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: model.LabelSet{"state": "suppressed", "silenced_by": "abc", "alertname": "alert3"},
|
|
StartsAt: now.Add(-time.Minute),
|
|
},
|
|
},
|
|
&types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: model.LabelSet{"state": "suppressed", "inhibited_by": "abc", "alertname": "alert4"},
|
|
StartsAt: now.Add(-time.Minute),
|
|
},
|
|
},
|
|
&types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: model.LabelSet{"alertname": "alert5"},
|
|
StartsAt: now.Add(-2 * time.Minute),
|
|
EndsAt: now.Add(-time.Minute),
|
|
},
|
|
},
|
|
}
|
|
|
|
for i, tc := range []struct {
|
|
err bool
|
|
params map[string]string
|
|
|
|
code int
|
|
anames []string
|
|
}{
|
|
{
|
|
false,
|
|
map[string]string{},
|
|
200,
|
|
[]string{"alert1", "alert2", "alert3", "alert4"},
|
|
},
|
|
{
|
|
false,
|
|
map[string]string{"active": "true", "unprocessed": "true", "silenced": "true", "inhibited": "true"},
|
|
200,
|
|
[]string{"alert1", "alert2", "alert3", "alert4"},
|
|
},
|
|
{
|
|
false,
|
|
map[string]string{"active": "false", "unprocessed": "true", "silenced": "true", "inhibited": "true"},
|
|
200,
|
|
[]string{"alert2", "alert3", "alert4"},
|
|
},
|
|
{
|
|
false,
|
|
map[string]string{"active": "true", "unprocessed": "false", "silenced": "true", "inhibited": "true"},
|
|
200,
|
|
[]string{"alert1", "alert3", "alert4"},
|
|
},
|
|
{
|
|
false,
|
|
map[string]string{"active": "true", "unprocessed": "true", "silenced": "false", "inhibited": "true"},
|
|
200,
|
|
[]string{"alert1", "alert2", "alert4"},
|
|
},
|
|
{
|
|
false,
|
|
map[string]string{"active": "true", "unprocessed": "true", "silenced": "true", "inhibited": "false"},
|
|
200,
|
|
[]string{"alert1", "alert2", "alert3"},
|
|
},
|
|
{
|
|
false,
|
|
map[string]string{"filter": "{alertname=\"alert3\""},
|
|
200,
|
|
[]string{"alert3"},
|
|
},
|
|
{
|
|
false,
|
|
map[string]string{"filter": "{alertname"},
|
|
400,
|
|
[]string{},
|
|
},
|
|
{
|
|
false,
|
|
map[string]string{"receiver": "other"},
|
|
200,
|
|
[]string{},
|
|
},
|
|
{
|
|
false,
|
|
map[string]string{"active": "invalid"},
|
|
400,
|
|
[]string{},
|
|
},
|
|
{
|
|
true,
|
|
map[string]string{},
|
|
500,
|
|
[]string{},
|
|
},
|
|
} {
|
|
alertsProvider := newFakeAlerts(alerts, tc.err)
|
|
api := New(alertsProvider, nil, newGetAlertStatus(alertsProvider), nil, nil, nil)
|
|
api.route = dispatch.NewRoute(&config.Route{Receiver: "def-receiver"}, nil)
|
|
|
|
r, err := http.NewRequest("GET", "/api/v1/alerts", nil)
|
|
if err != nil {
|
|
t.Fatalf("Unexpected error %v", err)
|
|
}
|
|
q := r.URL.Query()
|
|
for k, v := range tc.params {
|
|
q.Add(k, v)
|
|
}
|
|
r.URL.RawQuery = q.Encode()
|
|
w := httptest.NewRecorder()
|
|
|
|
api.listAlerts(w, r)
|
|
body, _ := ioutil.ReadAll(w.Result().Body)
|
|
|
|
var res response
|
|
err = json.Unmarshal(body, &res)
|
|
if err != nil {
|
|
t.Fatalf("Unexpected error %v", err)
|
|
}
|
|
|
|
require.Equal(t, tc.code, w.Code, fmt.Sprintf("test case: %d, response: %s", i, string(body)))
|
|
if w.Code != 200 {
|
|
continue
|
|
}
|
|
|
|
// Data needs to be serialized/deserialized to be converted to the real type.
|
|
b, err := json.Marshal(res.Data)
|
|
if err != nil {
|
|
t.Fatalf("Unexpected error %v", err)
|
|
}
|
|
retAlerts := []*Alert{}
|
|
err = json.Unmarshal(b, &retAlerts)
|
|
if err != nil {
|
|
t.Fatalf("Unexpected error %v", err)
|
|
}
|
|
|
|
anames := []string{}
|
|
for _, a := range retAlerts {
|
|
name, ok := a.Labels["alertname"]
|
|
if ok {
|
|
anames = append(anames, string(name))
|
|
}
|
|
}
|
|
require.Equal(t, tc.anames, anames, fmt.Sprintf("test case: %d, alert names are not equal", i))
|
|
}
|
|
}
|
|
|
|
func TestAlertFiltering(t *testing.T) {
|
|
type test struct {
|
|
alert *model.Alert
|
|
msg string
|
|
expected bool
|
|
}
|
|
|
|
// Equal
|
|
equal, err := labels.NewMatcher(labels.MatchEqual, "label1", "test1")
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
|
|
tests := []test{
|
|
{&model.Alert{Labels: model.LabelSet{"label1": "test1"}}, "label1=test1", true},
|
|
{&model.Alert{Labels: model.LabelSet{"label1": "test2"}}, "label1=test2", false},
|
|
{&model.Alert{Labels: model.LabelSet{"label2": "test2"}}, "label2=test2", false},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
actual := alertMatchesFilterLabels(test.alert, []*labels.Matcher{equal})
|
|
msg := fmt.Sprintf("Expected %t for %s", test.expected, test.msg)
|
|
require.Equal(t, test.expected, actual, msg)
|
|
}
|
|
|
|
// Not Equal
|
|
notEqual, err := labels.NewMatcher(labels.MatchNotEqual, "label1", "test1")
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
|
|
tests = []test{
|
|
{&model.Alert{Labels: model.LabelSet{"label1": "test1"}}, "label1!=test1", false},
|
|
{&model.Alert{Labels: model.LabelSet{"label1": "test2"}}, "label1!=test2", true},
|
|
{&model.Alert{Labels: model.LabelSet{"label2": "test2"}}, "label2!=test2", true},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
actual := alertMatchesFilterLabels(test.alert, []*labels.Matcher{notEqual})
|
|
msg := fmt.Sprintf("Expected %t for %s", test.expected, test.msg)
|
|
require.Equal(t, test.expected, actual, msg)
|
|
}
|
|
|
|
// Regexp Equal
|
|
regexpEqual, err := labels.NewMatcher(labels.MatchRegexp, "label1", "tes.*")
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
|
|
tests = []test{
|
|
{&model.Alert{Labels: model.LabelSet{"label1": "test1"}}, "label1=~test1", true},
|
|
{&model.Alert{Labels: model.LabelSet{"label1": "test2"}}, "label1=~test2", true},
|
|
{&model.Alert{Labels: model.LabelSet{"label2": "test2"}}, "label2=~test2", false},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
actual := alertMatchesFilterLabels(test.alert, []*labels.Matcher{regexpEqual})
|
|
msg := fmt.Sprintf("Expected %t for %s", test.expected, test.msg)
|
|
require.Equal(t, test.expected, actual, msg)
|
|
}
|
|
|
|
// Regexp Not Equal
|
|
regexpNotEqual, err := labels.NewMatcher(labels.MatchNotRegexp, "label1", "tes.*")
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
|
|
tests = []test{
|
|
{&model.Alert{Labels: model.LabelSet{"label1": "test1"}}, "label1!~test1", false},
|
|
{&model.Alert{Labels: model.LabelSet{"label1": "test2"}}, "label1!~test2", false},
|
|
{&model.Alert{Labels: model.LabelSet{"label2": "test2"}}, "label2!~test2", true},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
actual := alertMatchesFilterLabels(test.alert, []*labels.Matcher{regexpNotEqual})
|
|
msg := fmt.Sprintf("Expected %t for %s", test.expected, test.msg)
|
|
require.Equal(t, test.expected, actual, msg)
|
|
}
|
|
}
|
|
|
|
func TestSilenceFiltering(t *testing.T) {
|
|
type test struct {
|
|
silence *types.Silence
|
|
msg string
|
|
expected bool
|
|
}
|
|
|
|
// Equal
|
|
equal, err := labels.NewMatcher(labels.MatchEqual, "label1", "test1")
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
|
|
tests := []test{
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label1": "test1"})},
|
|
"label1=test1",
|
|
true,
|
|
},
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label1": "test2"})},
|
|
"label1=test2",
|
|
false,
|
|
},
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label2": "test2"})},
|
|
"label2=test2",
|
|
false,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
actual := silenceMatchesFilterLabels(test.silence, []*labels.Matcher{equal})
|
|
msg := fmt.Sprintf("Expected %t for %s", test.expected, test.msg)
|
|
require.Equal(t, test.expected, actual, msg)
|
|
}
|
|
|
|
// Not Equal
|
|
notEqual, err := labels.NewMatcher(labels.MatchNotEqual, "label1", "test1")
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
|
|
tests = []test{
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label1": "test1"})},
|
|
"label1!=test1",
|
|
false,
|
|
},
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label1": "test2"})},
|
|
"label1!=test2",
|
|
true,
|
|
},
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label2": "test2"})},
|
|
"label2!=test2",
|
|
true,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
actual := silenceMatchesFilterLabels(test.silence, []*labels.Matcher{notEqual})
|
|
msg := fmt.Sprintf("Expected %t for %s", test.expected, test.msg)
|
|
require.Equal(t, test.expected, actual, msg)
|
|
}
|
|
|
|
// Regexp Equal
|
|
regexpEqual, err := labels.NewMatcher(labels.MatchRegexp, "label1", "tes.*")
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
|
|
tests = []test{
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label1": "test1"})},
|
|
"label1=~test1",
|
|
true,
|
|
},
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label1": "test2"})},
|
|
"label1=~test2",
|
|
true,
|
|
},
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label2": "test2"})},
|
|
"label2=~test2",
|
|
false,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
actual := silenceMatchesFilterLabels(test.silence, []*labels.Matcher{regexpEqual})
|
|
msg := fmt.Sprintf("Expected %t for %s", test.expected, test.msg)
|
|
require.Equal(t, test.expected, actual, msg)
|
|
}
|
|
|
|
// Regexp Not Equal
|
|
regexpNotEqual, err := labels.NewMatcher(labels.MatchNotRegexp, "label1", "tes.*")
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
|
|
tests = []test{
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label1": "test1"})},
|
|
"label1!~test1",
|
|
false,
|
|
},
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label1": "test2"})},
|
|
"label1!~test2",
|
|
false,
|
|
},
|
|
{
|
|
&types.Silence{Matchers: newMatcher(model.LabelSet{"label2": "test2"})},
|
|
"label2!~test2",
|
|
true,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
actual := silenceMatchesFilterLabels(test.silence, []*labels.Matcher{regexpNotEqual})
|
|
msg := fmt.Sprintf("Expected %t for %s", test.expected, test.msg)
|
|
require.Equal(t, test.expected, actual, msg)
|
|
}
|
|
}
|
|
|
|
func TestReceiversMatchFilter(t *testing.T) {
|
|
receivers := []string{"pagerduty", "slack", "pushover"}
|
|
|
|
filter, err := regexp.Compile(fmt.Sprintf("^(?:%s)$", "push.*"))
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
require.True(t, receiversMatchFilter(receivers, filter))
|
|
|
|
filter, err = regexp.Compile(fmt.Sprintf("^(?:%s)$", "push"))
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
require.False(t, receiversMatchFilter(receivers, filter))
|
|
}
|
|
|
|
func TestMatchFilterLabels(t *testing.T) {
|
|
testCases := []struct {
|
|
matcher labels.MatchType
|
|
expected bool
|
|
}{
|
|
{labels.MatchEqual, true},
|
|
{labels.MatchRegexp, true},
|
|
{labels.MatchNotEqual, false},
|
|
{labels.MatchNotRegexp, false},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
l, err := labels.NewMatcher(tc.matcher, "foo", "")
|
|
require.NoError(t, err)
|
|
sms := map[string]string{
|
|
"baz": "bar",
|
|
}
|
|
ls := []*labels.Matcher{l}
|
|
|
|
require.Equal(t, tc.expected, matchFilterLabels(ls, sms))
|
|
|
|
l, err = labels.NewMatcher(tc.matcher, "foo", "")
|
|
require.NoError(t, err)
|
|
sms = map[string]string{
|
|
"baz": "bar",
|
|
"foo": "quux",
|
|
}
|
|
ls = []*labels.Matcher{l}
|
|
require.NotEqual(t, tc.expected, matchFilterLabels(ls, sms))
|
|
}
|
|
}
|
|
|
|
func newMatcher(labelSet model.LabelSet) labels.Matchers {
|
|
matchers := make([]*labels.Matcher, 0, len(labelSet))
|
|
for key, val := range labelSet {
|
|
matchers = append(matchers, &labels.Matcher{
|
|
Type: labels.MatchEqual,
|
|
Name: string(key),
|
|
Value: string(val),
|
|
})
|
|
}
|
|
return matchers
|
|
}
|