[v11.3.x] Alerting: Fix escaping of silence matchers in utf8 mode (#95347)

Co-authored-by: Gilles De Mey <gilles.de.mey@gmail.com>
Co-authored-by: Tom Ratcliffe <tom.ratcliffe@grafana.com>
Fix escaping of silence matchers in utf8 mode (#95067)

public/app/features/alerting/unified/api/alertmanagerApi.ts

@@ -1,5 +1,6 @@
 import { isEmpty } from 'lodash';
 
+import { encodeMatcher } from 'app/features/alerting/unified/utils/matchers';
 import { dispatch } from 'app/store/store';
 import { ReceiversStateDTO } from 'app/types/alerting';
 
@@ -17,13 +18,13 @@ import {
 } from '../../../../plugins/datasource/alertmanager/types';
 import { NotifierDTO } from '../../../../types';
 import { withPerformanceLogging } from '../Analytics';
-import { matcherToOperator } from '../utils/alertmanager';
+import { matcherToMatcherField } from '../utils/alertmanager';
 import {
   GRAFANA_RULES_SOURCE_NAME,
   getDatasourceAPIUid,
   isVanillaPrometheusAlertManagerDataSource,
 } from '../utils/datasource';
-import { retryWhile, wrapWithQuotes } from '../utils/misc';
+import { retryWhile } from '../utils/misc';
 import { messageFromError, withSerializedError } from '../utils/redux';
 
 import { alertingApi } from './alertingApi';
@@ -72,9 +73,9 @@ export const alertmanagerApi = alertingApi.injectEndpoints({
         // TODO Add support for active, silenced, inhibited, unprocessed filters
         const filterMatchers = filter?.matchers
           ?.filter((matcher) => matcher.name && matcher.value)
-          .map(
-            (matcher) => `${wrapWithQuotes(matcher.name)}${matcherToOperator(matcher)}${wrapWithQuotes(matcher.value)}`
-          );
+          .map((matcher) => {
+            return encodeMatcher(matcherToMatcherField(matcher));
+          });
 
         const { silenced, inhibited, unprocessed, active } = filter || {};
 

public/app/features/alerting/unified/utils/misc.test.ts

@@ -1,7 +1,5 @@
 import {
   sortAlerts,
-  wrapWithQuotes,
-  escapeQuotes,
   createExploreLink,
   makeLabelBasedSilenceLink,
   makeDataSourceLink,
@@ -46,24 +44,6 @@ function permute(inputArray: any[]): any[] {
   }, []);
 }
 
-describe('wrapWithQuotes', () => {
-  it('should work as expected', () => {
-    expect(wrapWithQuotes('"hello, world!"')).toBe('\\"hello, world!\\"');
-    expect(wrapWithQuotes('hello, world!')).toBe('"hello, world!"');
-    expect(wrapWithQuotes('hello, "world"!')).toBe('"hello, \\"world\\"!"');
-    expect(wrapWithQuotes('"hello""')).toBe('\\"hello\\"\\"');
-  });
-});
-
-describe('escapeQuotes', () => {
-  it('should escape all quotes', () => {
-    expect(escapeQuotes('"hello, world!"')).toBe('\\"hello, world!\\"');
-    expect(escapeQuotes('hello, world!')).toBe('hello, world!');
-    expect(escapeQuotes('hello, "world"!')).toBe('hello, \\"world\\"!');
-    expect(escapeQuotes('hello"')).toBe('hello\\"');
-  });
-});
-
 describe('Unified Altering misc', () => {
   describe('sortAlerts', () => {
     describe('when using any sortOrder with a list of alert instances', () => {

public/app/features/alerting/unified/utils/misc.ts

@@ -111,13 +111,6 @@ export function makeAMLink(path: string, alertManagerName?: string, options?: UR
   return `${path}?${search.toString()}`;
 }
 
-export const escapeQuotes = (input: string) => input.replace(/\"/g, '\\"');
-
-export function wrapWithQuotes(input: string) {
-  const alreadyWrapped = input.startsWith('"') && input.endsWith('"');
-  return alreadyWrapped ? escapeQuotes(input) : `"${escapeQuotes(input)}"`;
-}
-
 export function makeLabelBasedSilenceLink(alertManagerSourceName: string, labels: Labels) {
   const silenceUrlParams = new URLSearchParams();
   silenceUrlParams.append('alertmanager', alertManagerSourceName);