672 lines
18 KiB
Go
672 lines
18 KiB
Go
// 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 notify
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"net/url"
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"testing"
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"time"
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"github.com/go-kit/kit/log"
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commoncfg "github.com/prometheus/common/config"
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"github.com/prometheus/common/model"
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"github.com/stretchr/testify/require"
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"github.com/prometheus/alertmanager/config"
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"github.com/prometheus/alertmanager/template"
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"github.com/prometheus/alertmanager/types"
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)
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// getContextWithCancelingURL returns a context that gets canceled when a
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// client does a GET request to the returned URL.
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// Handlers passed to the function will be invoked in order before the context gets canceled.
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func getContextWithCancelingURL(h ...func(w http.ResponseWriter, r *http.Request)) (context.Context, *url.URL, func()) {
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done := make(chan struct{})
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ctx, cancel := context.WithCancel(context.Background())
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i := 0
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if i < len(h) {
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h[i](w, r)
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} else {
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cancel()
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<-done
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}
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i++
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}))
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// No need to check the error since httptest.NewServer always return a valid URL.
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u, _ := url.Parse(srv.URL)
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return ctx, u, func() {
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close(done)
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srv.Close()
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}
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}
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// assertNotifyLeaksNoSecret calls the Notify() method of the notifier, expects
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// it to fail because the context is canceled by the server and checks that no
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// secret data is leaked in the error message returned by Notify().
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func assertNotifyLeaksNoSecret(t *testing.T, ctx context.Context, n Notifier, secret ...string) {
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t.Helper()
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require.NotEmpty(t, secret)
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ctx = WithGroupKey(ctx, "1")
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ok, err := n.Notify(ctx, []*types.Alert{
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&types.Alert{
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Alert: model.Alert{
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Labels: model.LabelSet{
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"lbl1": "val1",
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},
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StartsAt: time.Now(),
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EndsAt: time.Now().Add(time.Hour),
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},
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},
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}...)
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require.Error(t, err)
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require.Contains(t, err.Error(), context.Canceled.Error())
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for _, s := range secret {
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require.NotContains(t, err.Error(), s)
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}
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require.True(t, ok)
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}
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func TestWebhookRetry(t *testing.T) {
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u, err := url.Parse("http://example.com")
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if err != nil {
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t.Fatalf("failed to parse URL: %v", err)
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}
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notifier := &Webhook{conf: &config.WebhookConfig{URL: &config.URL{URL: u}}}
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for statusCode, expected := range retryTests(defaultRetryCodes()) {
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actual, _ := notifier.retry(statusCode)
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require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
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}
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}
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func TestPagerDutyRetryV1(t *testing.T) {
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notifier := new(PagerDuty)
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retryCodes := append(defaultRetryCodes(), http.StatusForbidden)
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for statusCode, expected := range retryTests(retryCodes) {
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resp := &http.Response{
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StatusCode: statusCode,
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}
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actual, _ := notifier.retryV1(resp)
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require.Equal(t, expected, actual, fmt.Sprintf("retryv1 - error on status %d", statusCode))
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}
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}
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func TestPagerDutyRetryV2(t *testing.T) {
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notifier := new(PagerDuty)
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retryCodes := append(defaultRetryCodes(), http.StatusTooManyRequests)
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for statusCode, expected := range retryTests(retryCodes) {
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resp := &http.Response{
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StatusCode: statusCode,
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}
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actual, _ := notifier.retryV2(resp)
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require.Equal(t, expected, actual, fmt.Sprintf("retryv2 - error on status %d", statusCode))
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}
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}
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func TestPagerDutyRedactedURLV1(t *testing.T) {
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ctx, u, fn := getContextWithCancelingURL()
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defer fn()
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key := "01234567890123456789012345678901"
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notifier := NewPagerDuty(
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&config.PagerdutyConfig{
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ServiceKey: config.Secret(key),
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HTTPConfig: &commoncfg.HTTPClientConfig{},
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},
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createTmpl(t),
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log.NewNopLogger(),
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)
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notifier.apiV1 = u.String()
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assertNotifyLeaksNoSecret(t, ctx, notifier, key)
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}
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func TestPagerDutyRedactedURLV2(t *testing.T) {
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ctx, u, fn := getContextWithCancelingURL()
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defer fn()
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key := "01234567890123456789012345678901"
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notifier := NewPagerDuty(
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&config.PagerdutyConfig{
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URL: &config.URL{URL: u},
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RoutingKey: config.Secret(key),
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HTTPConfig: &commoncfg.HTTPClientConfig{},
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},
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createTmpl(t),
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log.NewNopLogger(),
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)
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assertNotifyLeaksNoSecret(t, ctx, notifier, key)
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}
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func TestPagerDutyErr(t *testing.T) {
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for _, tc := range []struct {
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status int
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body io.Reader
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exp string
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}{
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{
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status: http.StatusBadRequest,
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body: bytes.NewBuffer([]byte(
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`{"status":"invalid event","message":"Event object is invalid","errors":["Length of 'routing_key' is incorrect (should be 32 characters)"]}`,
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)),
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exp: "Length of 'routing_key' is incorrect",
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},
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{
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status: http.StatusBadRequest,
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body: bytes.NewBuffer([]byte(`{"status"}`)),
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exp: "unexpected status code: 400",
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},
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{
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status: http.StatusBadRequest,
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body: nil,
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exp: "unexpected status code: 400",
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},
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{
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status: http.StatusTooManyRequests,
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body: bytes.NewBuffer([]byte("")),
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exp: "unexpected status code: 429",
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},
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} {
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tc := tc
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t.Run("", func(t *testing.T) {
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err := pagerDutyErr(tc.status, tc.body)
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require.Contains(t, err.Error(), tc.exp)
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})
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}
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}
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func TestSlackRetry(t *testing.T) {
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notifier := new(Slack)
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for statusCode, expected := range retryTests(defaultRetryCodes()) {
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actual, _ := notifier.retry(statusCode)
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require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
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}
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}
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func TestSlackRedactedURL(t *testing.T) {
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ctx, u, fn := getContextWithCancelingURL()
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defer fn()
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notifier := NewSlack(
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&config.SlackConfig{
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APIURL: &config.SecretURL{URL: u},
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HTTPConfig: &commoncfg.HTTPClientConfig{},
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},
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createTmpl(t),
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log.NewNopLogger(),
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)
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assertNotifyLeaksNoSecret(t, ctx, notifier, u.String())
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}
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func TestHipchatRetry(t *testing.T) {
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notifier := new(Hipchat)
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retryCodes := append(defaultRetryCodes(), http.StatusTooManyRequests)
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for statusCode, expected := range retryTests(retryCodes) {
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actual, _ := notifier.retry(statusCode)
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require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
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}
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}
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func TestHipchatRedactedURL(t *testing.T) {
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ctx, u, fn := getContextWithCancelingURL()
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defer fn()
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token := "secret_token"
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notifier := NewHipchat(
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&config.HipchatConfig{
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APIURL: &config.URL{URL: u},
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AuthToken: config.Secret(token),
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HTTPConfig: &commoncfg.HTTPClientConfig{},
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},
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createTmpl(t),
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log.NewNopLogger(),
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)
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assertNotifyLeaksNoSecret(t, ctx, notifier, token)
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}
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func TestOpsGenieRetry(t *testing.T) {
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notifier := new(OpsGenie)
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retryCodes := append(defaultRetryCodes(), http.StatusTooManyRequests)
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for statusCode, expected := range retryTests(retryCodes) {
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actual, _ := notifier.retry(statusCode)
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require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
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}
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}
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func TestOpsGenieRedactedURL(t *testing.T) {
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ctx, u, fn := getContextWithCancelingURL()
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defer fn()
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key := "key"
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notifier := NewOpsGenie(
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&config.OpsGenieConfig{
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APIURL: &config.URL{URL: u},
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APIKey: config.Secret(key),
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HTTPConfig: &commoncfg.HTTPClientConfig{},
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},
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createTmpl(t),
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log.NewNopLogger(),
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)
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assertNotifyLeaksNoSecret(t, ctx, notifier, key)
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}
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func TestVictorOpsRetry(t *testing.T) {
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notifier := new(VictorOps)
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for statusCode, expected := range retryTests(defaultRetryCodes()) {
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actual, _ := notifier.retry(statusCode)
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require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
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}
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}
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func TestVictorOpsRedactedURL(t *testing.T) {
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ctx, u, fn := getContextWithCancelingURL()
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defer fn()
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secret := "secret"
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notifier := NewVictorOps(
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&config.VictorOpsConfig{
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APIURL: &config.URL{URL: u},
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APIKey: config.Secret(secret),
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HTTPConfig: &commoncfg.HTTPClientConfig{},
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},
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createTmpl(t),
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log.NewNopLogger(),
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)
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assertNotifyLeaksNoSecret(t, ctx, notifier, secret)
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}
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func TestPushoverRetry(t *testing.T) {
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notifier := new(Pushover)
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for statusCode, expected := range retryTests(defaultRetryCodes()) {
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actual, _ := notifier.retry(statusCode)
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require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
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}
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}
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func TestPushoverRedactedURL(t *testing.T) {
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ctx, u, fn := getContextWithCancelingURL()
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defer fn()
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key, token := "user_key", "token"
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notifier := NewPushover(
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&config.PushoverConfig{
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UserKey: config.Secret(key),
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Token: config.Secret(token),
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HTTPConfig: &commoncfg.HTTPClientConfig{},
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},
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createTmpl(t),
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log.NewNopLogger(),
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)
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notifier.apiURL = u.String()
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assertNotifyLeaksNoSecret(t, ctx, notifier, key, token)
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}
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func retryTests(retryCodes []int) map[int]bool {
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tests := map[int]bool{
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// 1xx
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http.StatusContinue: false,
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http.StatusSwitchingProtocols: false,
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http.StatusProcessing: false,
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// 2xx
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http.StatusOK: false,
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http.StatusCreated: false,
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http.StatusAccepted: false,
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http.StatusNonAuthoritativeInfo: false,
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http.StatusNoContent: false,
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http.StatusResetContent: false,
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http.StatusPartialContent: false,
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http.StatusMultiStatus: false,
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http.StatusAlreadyReported: false,
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http.StatusIMUsed: false,
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// 3xx
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http.StatusMultipleChoices: false,
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http.StatusMovedPermanently: false,
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http.StatusFound: false,
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http.StatusSeeOther: false,
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http.StatusNotModified: false,
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http.StatusUseProxy: false,
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http.StatusTemporaryRedirect: false,
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http.StatusPermanentRedirect: false,
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// 4xx
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http.StatusBadRequest: false,
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http.StatusUnauthorized: false,
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http.StatusPaymentRequired: false,
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http.StatusForbidden: false,
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http.StatusNotFound: false,
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http.StatusMethodNotAllowed: false,
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http.StatusNotAcceptable: false,
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http.StatusProxyAuthRequired: false,
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http.StatusRequestTimeout: false,
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http.StatusConflict: false,
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http.StatusGone: false,
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http.StatusLengthRequired: false,
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http.StatusPreconditionFailed: false,
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http.StatusRequestEntityTooLarge: false,
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http.StatusRequestURITooLong: false,
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http.StatusUnsupportedMediaType: false,
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http.StatusRequestedRangeNotSatisfiable: false,
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http.StatusExpectationFailed: false,
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http.StatusTeapot: false,
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http.StatusUnprocessableEntity: false,
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http.StatusLocked: false,
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http.StatusFailedDependency: false,
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http.StatusUpgradeRequired: false,
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http.StatusPreconditionRequired: false,
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http.StatusTooManyRequests: false,
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http.StatusRequestHeaderFieldsTooLarge: false,
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http.StatusUnavailableForLegalReasons: false,
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// 5xx
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http.StatusInternalServerError: false,
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http.StatusNotImplemented: false,
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http.StatusBadGateway: false,
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http.StatusServiceUnavailable: false,
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http.StatusGatewayTimeout: false,
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http.StatusHTTPVersionNotSupported: false,
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http.StatusVariantAlsoNegotiates: false,
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http.StatusInsufficientStorage: false,
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http.StatusLoopDetected: false,
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http.StatusNotExtended: false,
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http.StatusNetworkAuthenticationRequired: false,
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}
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for _, statusCode := range retryCodes {
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tests[statusCode] = true
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}
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return tests
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}
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func defaultRetryCodes() []int {
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return []int{
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http.StatusInternalServerError,
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http.StatusNotImplemented,
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http.StatusBadGateway,
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http.StatusServiceUnavailable,
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http.StatusGatewayTimeout,
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http.StatusHTTPVersionNotSupported,
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http.StatusVariantAlsoNegotiates,
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http.StatusInsufficientStorage,
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http.StatusLoopDetected,
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http.StatusNotExtended,
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http.StatusNetworkAuthenticationRequired,
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}
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}
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func createTmpl(t *testing.T) *template.Template {
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tmpl, err := template.FromGlobs()
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require.NoError(t, err)
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tmpl.ExternalURL, _ = url.Parse("http://am")
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return tmpl
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}
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func readBody(t *testing.T, r *http.Request) string {
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body, err := ioutil.ReadAll(r.Body)
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require.NoError(t, err)
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return string(body)
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}
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func TestOpsGenie(t *testing.T) {
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u, err := url.Parse("https://opsgenie/api")
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if err != nil {
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t.Fatalf("failed to parse URL: %v", err)
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}
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logger := log.NewNopLogger()
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tmpl := createTmpl(t)
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conf := &config.OpsGenieConfig{
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NotifierConfig: config.NotifierConfig{
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VSendResolved: true,
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},
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Message: `{{ .CommonLabels.Message }}`,
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Description: `{{ .CommonLabels.Description }}`,
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Source: `{{ .CommonLabels.Source }}`,
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Teams: `{{ .CommonLabels.Teams }}`,
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Tags: `{{ .CommonLabels.Tags }}`,
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Note: `{{ .CommonLabels.Note }}`,
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Priority: `{{ .CommonLabels.Priority }}`,
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APIKey: `{{ .ExternalURL }}`,
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APIURL: &config.URL{URL: u},
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}
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notifier := NewOpsGenie(conf, tmpl, logger)
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ctx := context.Background()
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ctx = WithGroupKey(ctx, "1")
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expectedURL, _ := url.Parse("https://opsgenie/apiv2/alerts")
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// Empty alert.
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alert1 := &types.Alert{
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Alert: model.Alert{
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StartsAt: time.Now(),
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EndsAt: time.Now().Add(time.Hour),
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},
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}
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expectedBody := `{"alias":"6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b","message":"","details":{},"source":""}
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`
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req, retry, err := notifier.createRequest(ctx, alert1)
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require.NoError(t, err)
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require.Equal(t, true, retry)
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require.Equal(t, expectedURL, req.URL)
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require.Equal(t, "GenieKey http://am", req.Header.Get("Authorization"))
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require.Equal(t, expectedBody, readBody(t, req))
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// Fully defined alert.
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alert2 := &types.Alert{
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Alert: model.Alert{
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Labels: model.LabelSet{
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"Message": "message",
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"Description": "description",
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"Source": "http://prometheus",
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"Teams": "TeamA,TeamB,",
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"Tags": "tag1,tag2",
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"Note": "this is a note",
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"Priotity": "P1",
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},
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StartsAt: time.Now(),
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EndsAt: time.Now().Add(time.Hour),
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},
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}
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expectedBody = `{"alias":"6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b","message":"message","description":"description","details":{},"source":"http://prometheus","teams":[{"name":"TeamA"},{"name":"TeamB"}],"tags":["tag1","tag2"],"note":"this is a note"}
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`
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req, retry, err = notifier.createRequest(ctx, alert2)
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require.NoError(t, err)
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require.Equal(t, true, retry)
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require.Equal(t, expectedBody, readBody(t, req))
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// Broken API Key Template.
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conf.APIKey = "{{ kaput "
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_, _, err = notifier.createRequest(ctx, alert2)
|
|
require.Error(t, err)
|
|
require.Equal(t, err.Error(), "templating error: template: :1: function \"kaput\" not defined")
|
|
}
|
|
|
|
func TestVictorOpsCustomFields(t *testing.T) {
|
|
logger := log.NewNopLogger()
|
|
tmpl := createTmpl(t)
|
|
|
|
url, err := url.Parse("http://nowhere.com")
|
|
|
|
require.NoError(t, err, "unexpected error parsing mock url")
|
|
|
|
conf := &config.VictorOpsConfig{
|
|
APIKey: `12345`,
|
|
APIURL: &config.URL{URL: url},
|
|
EntityDisplayName: `{{ .CommonLabels.Message }}`,
|
|
StateMessage: `{{ .CommonLabels.Message }}`,
|
|
RoutingKey: `test`,
|
|
MessageType: ``,
|
|
MonitoringTool: `AM`,
|
|
CustomFields: map[string]string{
|
|
"Field_A": "{{ .CommonLabels.Message }}",
|
|
},
|
|
}
|
|
|
|
notifier := NewVictorOps(conf, tmpl, logger)
|
|
|
|
ctx := context.Background()
|
|
ctx = WithGroupKey(ctx, "1")
|
|
|
|
alert := &types.Alert{
|
|
Alert: model.Alert{
|
|
Labels: model.LabelSet{
|
|
"Message": "message",
|
|
},
|
|
StartsAt: time.Now(),
|
|
EndsAt: time.Now().Add(time.Hour),
|
|
},
|
|
}
|
|
|
|
msg, err := notifier.createVictorOpsPayload(ctx, alert)
|
|
require.NoError(t, err)
|
|
|
|
var m map[string]string
|
|
err = json.Unmarshal(msg.Bytes(), &m)
|
|
|
|
require.NoError(t, err)
|
|
|
|
// Verify that a custom field was added to the payload and templatized.
|
|
require.Equal(t, "message", m["Field_A"])
|
|
}
|
|
|
|
func TestWechatRedactedURLOnInitialAuthentication(t *testing.T) {
|
|
ctx, u, fn := getContextWithCancelingURL()
|
|
defer fn()
|
|
|
|
secret := "secret_key"
|
|
notifier := NewWechat(
|
|
&config.WechatConfig{
|
|
APIURL: &config.URL{URL: u},
|
|
HTTPConfig: &commoncfg.HTTPClientConfig{},
|
|
CorpID: "corpid",
|
|
APISecret: config.Secret(secret),
|
|
},
|
|
createTmpl(t),
|
|
log.NewNopLogger(),
|
|
)
|
|
|
|
assertNotifyLeaksNoSecret(t, ctx, notifier, secret)
|
|
}
|
|
|
|
func TestWechatRedactedURLOnNotify(t *testing.T) {
|
|
secret, token := "secret", "token"
|
|
ctx, u, fn := getContextWithCancelingURL(func(w http.ResponseWriter, r *http.Request) {
|
|
fmt.Fprintf(w, `{"access_token":"%s"}`, token)
|
|
})
|
|
defer fn()
|
|
|
|
notifier := NewWechat(
|
|
&config.WechatConfig{
|
|
APIURL: &config.URL{URL: u},
|
|
HTTPConfig: &commoncfg.HTTPClientConfig{},
|
|
CorpID: "corpid",
|
|
APISecret: config.Secret(secret),
|
|
},
|
|
createTmpl(t),
|
|
log.NewNopLogger(),
|
|
)
|
|
|
|
assertNotifyLeaksNoSecret(t, ctx, notifier, secret, token)
|
|
}
|
|
|
|
func TestTruncate(t *testing.T) {
|
|
testCases := []struct {
|
|
in string
|
|
n int
|
|
|
|
out string
|
|
trunc bool
|
|
}{
|
|
{
|
|
in: "",
|
|
n: 5,
|
|
out: "",
|
|
trunc: false,
|
|
},
|
|
{
|
|
in: "abcde",
|
|
n: 2,
|
|
out: "ab",
|
|
trunc: true,
|
|
},
|
|
{
|
|
in: "abcde",
|
|
n: 4,
|
|
out: "a...",
|
|
trunc: true,
|
|
},
|
|
{
|
|
in: "abcde",
|
|
n: 5,
|
|
out: "abcde",
|
|
trunc: false,
|
|
},
|
|
{
|
|
in: "abcdefgh",
|
|
n: 5,
|
|
out: "ab...",
|
|
trunc: true,
|
|
},
|
|
{
|
|
in: "a⌘cde",
|
|
n: 5,
|
|
out: "a⌘cde",
|
|
trunc: false,
|
|
},
|
|
{
|
|
in: "a⌘cdef",
|
|
n: 5,
|
|
out: "a⌘...",
|
|
trunc: true,
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(fmt.Sprintf("truncate(%s,%d)", tc.in, tc.n), func(t *testing.T) {
|
|
s, trunc := truncate(tc.in, tc.n)
|
|
require.Equal(t, tc.trunc, trunc)
|
|
require.Equal(t, tc.out, s)
|
|
})
|
|
}
|
|
}
|