alertmanager/notify/impl_test.go

435 lines
12 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 notify
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"testing"
"time"
"github.com/go-kit/kit/log"
"github.com/stretchr/testify/require"
"github.com/prometheus/alertmanager/config"
"github.com/prometheus/alertmanager/template"
"github.com/prometheus/alertmanager/types"
"github.com/prometheus/common/model"
)
func TestWebhookRetry(t *testing.T) {
u, err := url.Parse("http://example.com")
if err != nil {
t.Fatalf("failed to parse URL: %v", err)
}
notifier := &Webhook{conf: &config.WebhookConfig{URL: &config.URL{u}}}
for statusCode, expected := range retryTests(defaultRetryCodes()) {
actual, _ := notifier.retry(statusCode)
require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
}
}
func TestPagerDutyRetryV1(t *testing.T) {
notifier := new(PagerDuty)
retryCodes := append(defaultRetryCodes(), http.StatusForbidden)
for statusCode, expected := range retryTests(retryCodes) {
resp := &http.Response{
StatusCode: statusCode,
}
actual, _ := notifier.retryV1(resp)
require.Equal(t, expected, actual, fmt.Sprintf("retryv1 - error on status %d", statusCode))
}
}
func TestPagerDutyRetryV2(t *testing.T) {
notifier := new(PagerDuty)
retryCodes := append(defaultRetryCodes(), http.StatusTooManyRequests)
for statusCode, expected := range retryTests(retryCodes) {
actual, _ := notifier.retryV2(statusCode)
require.Equal(t, expected, actual, fmt.Sprintf("retryv2 - error on status %d", statusCode))
}
}
func TestSlackRetry(t *testing.T) {
notifier := new(Slack)
for statusCode, expected := range retryTests(defaultRetryCodes()) {
actual, _ := notifier.retry(statusCode)
require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
}
}
func TestHipchatRetry(t *testing.T) {
notifier := new(Hipchat)
retryCodes := append(defaultRetryCodes(), http.StatusTooManyRequests)
for statusCode, expected := range retryTests(retryCodes) {
actual, _ := notifier.retry(statusCode)
require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
}
}
func TestOpsGenieRetry(t *testing.T) {
notifier := new(OpsGenie)
retryCodes := append(defaultRetryCodes(), http.StatusTooManyRequests)
for statusCode, expected := range retryTests(retryCodes) {
actual, _ := notifier.retry(statusCode)
require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
}
}
func TestVictorOpsRetry(t *testing.T) {
notifier := new(VictorOps)
for statusCode, expected := range retryTests(defaultRetryCodes()) {
actual, _ := notifier.retry(statusCode)
require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
}
}
func TestPushoverRetry(t *testing.T) {
notifier := new(Pushover)
for statusCode, expected := range retryTests(defaultRetryCodes()) {
actual, _ := notifier.retry(statusCode)
require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
}
}
func retryTests(retryCodes []int) map[int]bool {
tests := map[int]bool{
// 1xx
http.StatusContinue: false,
http.StatusSwitchingProtocols: false,
http.StatusProcessing: false,
// 2xx
http.StatusOK: false,
http.StatusCreated: false,
http.StatusAccepted: false,
http.StatusNonAuthoritativeInfo: false,
http.StatusNoContent: false,
http.StatusResetContent: false,
http.StatusPartialContent: false,
http.StatusMultiStatus: false,
http.StatusAlreadyReported: false,
http.StatusIMUsed: false,
// 3xx
http.StatusMultipleChoices: false,
http.StatusMovedPermanently: false,
http.StatusFound: false,
http.StatusSeeOther: false,
http.StatusNotModified: false,
http.StatusUseProxy: false,
http.StatusTemporaryRedirect: false,
http.StatusPermanentRedirect: false,
// 4xx
http.StatusBadRequest: false,
http.StatusUnauthorized: false,
http.StatusPaymentRequired: false,
http.StatusForbidden: false,
http.StatusNotFound: false,
http.StatusMethodNotAllowed: false,
http.StatusNotAcceptable: false,
http.StatusProxyAuthRequired: false,
http.StatusRequestTimeout: false,
http.StatusConflict: false,
http.StatusGone: false,
http.StatusLengthRequired: false,
http.StatusPreconditionFailed: false,
http.StatusRequestEntityTooLarge: false,
http.StatusRequestURITooLong: false,
http.StatusUnsupportedMediaType: false,
http.StatusRequestedRangeNotSatisfiable: false,
http.StatusExpectationFailed: false,
http.StatusTeapot: false,
http.StatusUnprocessableEntity: false,
http.StatusLocked: false,
http.StatusFailedDependency: false,
http.StatusUpgradeRequired: false,
http.StatusPreconditionRequired: false,
http.StatusTooManyRequests: false,
http.StatusRequestHeaderFieldsTooLarge: false,
http.StatusUnavailableForLegalReasons: false,
// 5xx
http.StatusInternalServerError: false,
http.StatusNotImplemented: false,
http.StatusBadGateway: false,
http.StatusServiceUnavailable: false,
http.StatusGatewayTimeout: false,
http.StatusHTTPVersionNotSupported: false,
http.StatusVariantAlsoNegotiates: false,
http.StatusInsufficientStorage: false,
http.StatusLoopDetected: false,
http.StatusNotExtended: false,
http.StatusNetworkAuthenticationRequired: false,
}
for _, statusCode := range retryCodes {
tests[statusCode] = true
}
return tests
}
func defaultRetryCodes() []int {
return []int{
http.StatusInternalServerError,
http.StatusNotImplemented,
http.StatusBadGateway,
http.StatusServiceUnavailable,
http.StatusGatewayTimeout,
http.StatusHTTPVersionNotSupported,
http.StatusVariantAlsoNegotiates,
http.StatusInsufficientStorage,
http.StatusLoopDetected,
http.StatusNotExtended,
http.StatusNetworkAuthenticationRequired,
}
}
func createTmpl(t *testing.T) *template.Template {
tmpl, err := template.FromGlobs()
require.NoError(t, err)
tmpl.ExternalURL, _ = url.Parse("http://am")
return tmpl
}
func readBody(t *testing.T, r *http.Request) string {
body, err := ioutil.ReadAll(r.Body)
require.NoError(t, err)
return string(body)
}
func TestOpsGenie(t *testing.T) {
u, err := url.Parse("https://opsgenie/api")
if err != nil {
t.Fatalf("failed to parse URL: %v", err)
}
logger := log.NewNopLogger()
tmpl := createTmpl(t)
conf := &config.OpsGenieConfig{
NotifierConfig: config.NotifierConfig{
VSendResolved: true,
},
Message: `{{ .CommonLabels.Message }}`,
Description: `{{ .CommonLabels.Description }}`,
Source: `{{ .CommonLabels.Source }}`,
Teams: `{{ .CommonLabels.Teams }}`,
Tags: `{{ .CommonLabels.Tags }}`,
Note: `{{ .CommonLabels.Note }}`,
Priority: `{{ .CommonLabels.Priority }}`,
APIKey: `{{ .ExternalURL }}`,
APIURL: &config.URL{u},
}
notifier := NewOpsGenie(conf, tmpl, logger)
ctx := context.Background()
ctx = WithGroupKey(ctx, "1")
expectedURL, _ := url.Parse("https://opsgenie/apiv2/alerts")
// Empty alert.
alert1 := &types.Alert{
Alert: model.Alert{
StartsAt: time.Now(),
EndsAt: time.Now().Add(time.Hour),
},
}
expectedBody := `{"alias":"6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b","message":"","details":{},"source":""}
`
req, retry, err := notifier.createRequest(ctx, alert1)
require.NoError(t, err)
require.Equal(t, true, retry)
require.Equal(t, expectedURL, req.URL)
require.Equal(t, "GenieKey http://am", req.Header.Get("Authorization"))
require.Equal(t, expectedBody, readBody(t, req))
// Fully defined alert.
alert2 := &types.Alert{
Alert: model.Alert{
Labels: model.LabelSet{
"Message": "message",
"Description": "description",
"Source": "http://prometheus",
"Teams": "TeamA,TeamB,",
"Tags": "tag1,tag2",
"Note": "this is a note",
"Priotity": "P1",
},
StartsAt: time.Now(),
EndsAt: time.Now().Add(time.Hour),
},
}
expectedBody = `{"alias":"6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b","message":"message","description":"description","details":{},"source":"http://prometheus","teams":[{"name":"TeamA"},{"name":"TeamB"}],"tags":["tag1","tag2"],"note":"this is a note"}
`
req, retry, err = notifier.createRequest(ctx, alert2)
require.NoError(t, err)
require.Equal(t, true, retry)
require.Equal(t, expectedBody, readBody(t, req))
// Broken API Key Template.
conf.APIKey = "{{ kaput "
_, _, err = notifier.createRequest(ctx, alert2)
require.Error(t, err)
require.Equal(t, err.Error(), "templating error: template: :1: function \"kaput\" not defined")
}
func TestEmailConfigNoAuthMechs(t *testing.T) {
email := &Email{
conf: &config.EmailConfig{}, tmpl: &template.Template{}, logger: log.NewNopLogger(),
}
_, err := email.auth("")
require.Error(t, err)
require.Equal(t, err.Error(), "unknown auth mechanism: ")
}
func TestEmailConfigMissingAuthParam(t *testing.T) {
email := &Email{
conf: &config.EmailConfig{}, tmpl: &template.Template{}, logger: log.NewNopLogger(),
}
_, err := email.auth("CRAM-MD5")
require.Error(t, err)
require.Equal(t, err.Error(), "missing secret for CRAM-MD5 auth mechanism")
_, err = email.auth("PLAIN")
require.Error(t, err)
require.Equal(t, err.Error(), "missing password for PLAIN auth mechanism")
_, err = email.auth("LOGIN")
require.Error(t, err)
require.Equal(t, err.Error(), "missing password for LOGIN auth mechanism")
_, err = email.auth("PLAIN LOGIN")
require.Error(t, err)
require.Equal(t, err.Error(), "missing password for PLAIN auth mechanism; missing password for LOGIN auth mechanism")
}
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},
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 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)
})
}
}