Alerting: bootstrap silences page (#32810)

pkg/api/index.go

@@ -196,6 +196,9 @@ func (hs *HTTPServer) getNavTree(c *models.ReqContext, hasEditPerm bool) ([]*dto
 		alertChildNavs := []*dtos.NavLink{
 			{Text: "Alert rules", Id: "alert-list", Url: hs.Cfg.AppSubURL + "/alerting/list", Icon: "list-ul"},
 		}
+		if hs.Cfg.IsNgAlertEnabled() {
+			alertChildNavs = append(alertChildNavs, &dtos.NavLink{Text: "Silences", Id: "silences", Url: hs.Cfg.AppSubURL + "/alerting/silences", Icon: "bell-slash"})
+		}
 		if c.OrgRole == models.ROLE_ADMIN && hs.Cfg.IsNgAlertEnabled() {
 			alertChildNavs = append(alertChildNavs, &dtos.NavLink{Text: "Routes", Id: "am-routes", Url: hs.Cfg.AppSubURL + "/alerting/routes", Icon: "sitemap"})
 		}

public/app/core/components/Page/Page.tsx

@@ -31,10 +31,13 @@ export const Page: PageType = ({ navModel, children, className, contentWidth, ..
   }, [navModel]);
 
   return (
-    <div {...otherProps} className={cx(styles.wrapper, className)}>
+    <div
+      {...otherProps}
+      className={cx(styles.wrapper, className, contentWidth ? styles.contentWidth(contentWidth) : undefined)}
+    >
       <CustomScrollbar autoHeightMin={'100%'}>
         <div className="page-scrollbar-content">
-          <PageHeader model={navModel} contentWidth={contentWidth} />
+          <PageHeader model={navModel} />
           {children}
           <Footer />
         </div>
@@ -56,4 +59,9 @@ const getStyles = (theme: GrafanaTheme) => ({
     width: 100%;
     background: ${theme.colors.bg1};
   `,
+  contentWidth: (size: keyof GrafanaTheme['breakpoints']) => css`
+    .page-container {
+      max-width: ${theme.breakpoints[size]};
+    }
+  `,
 });

public/app/core/components/PageHeader/PageHeader.tsx

@@ -1,12 +1,11 @@
 import React, { FC } from 'react';
-import { css, cx } from '@emotion/css';
+import { css } from '@emotion/css';
 import { Tab, TabsBar, Icon, IconName, useStyles } from '@grafana/ui';
 import { NavModel, NavModelItem, NavModelBreadcrumb, GrafanaTheme } from '@grafana/data';
 import { PanelHeaderMenuItem } from 'app/features/dashboard/dashgrid/PanelHeader/PanelHeaderMenuItem';
 
 export interface Props {
   model: NavModel;
-  contentWidth?: keyof GrafanaTheme['breakpoints'];
 }
 
 const SelectNav = ({ children, customCss }: { children: NavModelItem[]; customCss: string }) => {
@@ -72,7 +71,7 @@ const Navigation = ({ children }: { children: NavModelItem[] }) => {
   );
 };
 
-export const PageHeader: FC<Props> = ({ model, contentWidth }) => {
+export const PageHeader: FC<Props> = ({ model }) => {
   const styles = useStyles(getStyles);
 
   if (!model) {
@@ -84,7 +83,7 @@ export const PageHeader: FC<Props> = ({ model, contentWidth }) => {
 
   return (
     <div className={styles.headerCanvas}>
-      <div className={cx('page-container', contentWidth ? styles.contentWidth(contentWidth) : undefined)}>
+      <div className="page-container">
         <div className="page-header">
           {renderHeaderTitle(main)}
           {children && children.length && <Navigation>{children}</Navigation>}
@@ -143,9 +142,6 @@ const getStyles = (theme: GrafanaTheme) => ({
     background: ${theme.colors.bg2};
     border-bottom: 1px solid ${theme.colors.border1};
   `,
-  contentWidth: (size: keyof GrafanaTheme['breakpoints']) => css`
-    max-width: ${theme.breakpoints[size]};
-  `,
 });
 
 export default PageHeader;

public/app/features/alerting/unified/RuleList.tsx

@@ -69,6 +69,8 @@ export const RuleList: FC = () => {
   const grafanaPromError = promRuleRequests[GRAFANA_RULES_SOURCE_NAME]?.error;
   const grafanaRulerError = rulerRuleRequests[GRAFANA_RULES_SOURCE_NAME]?.error;
 
+  const showNewAlertSplash = dispatched && !loading && !haveResults;
+
   const combinedNamespaces = useCombinedRuleNamespaces();
   const [thresholdNamespaces, systemNamespaces] = useMemo(() => {
     const sorted = combinedNamespaces
@@ -116,13 +118,15 @@ export const RuleList: FC = () => {
           ))}
         </InfoBox>
       )}
-      <div className={styles.buttonsContainer}>
-        <div />
-        <a href="/alerting/new">
-          <Button icon="plus">New alert rule</Button>
-        </a>
-      </div>
-      {dispatched && !loading && !haveResults && <NoRulesSplash />}
+      {!showNewAlertSplash && (
+        <div className={styles.buttonsContainer}>
+          <div />
+          <a href="/alerting/new">
+            <Button icon="plus">New alert rule</Button>
+          </a>
+        </div>
+      )}
+      {showNewAlertSplash && <NoRulesSplash />}
       {haveResults && <ThresholdRules namespaces={thresholdNamespaces} />}
       {haveResults && <SystemOrApplicationRules namespaces={systemNamespaces} />}
     </AlertingPageWrapper>

public/app/features/alerting/unified/Silences.tsx

@@ -0,0 +1,39 @@
+import { InfoBox, LoadingPlaceholder } from '@grafana/ui';
+import React, { FC, useEffect } from 'react';
+import { useDispatch } from 'react-redux';
+import { AlertingPageWrapper } from './components/AlertingPageWrapper';
+import { AlertManagerPicker } from './components/AlertManagerPicker';
+import { useAlertManagerSourceName } from './hooks/useAlertManagerSourceName';
+import { useUnifiedAlertingSelector } from './hooks/useUnifiedAlertingSelector';
+import { fetchSilencesAction } from './state/actions';
+import { initialAsyncRequestState } from './utils/redux';
+
+const Silences: FC = () => {
+  const [alertManagerSourceName, setAlertManagerSourceName] = useAlertManagerSourceName();
+  const dispatch = useDispatch();
+
+  const silences = useUnifiedAlertingSelector((state) => state.silences);
+
+  useEffect(() => {
+    dispatch(fetchSilencesAction(alertManagerSourceName));
+  }, [alertManagerSourceName, dispatch]);
+
+  const { result, loading, error } = silences[alertManagerSourceName] || initialAsyncRequestState;
+
+  return (
+    <AlertingPageWrapper pageId="silences">
+      <AlertManagerPicker current={alertManagerSourceName} onChange={setAlertManagerSourceName} />
+      <br />
+      <br />
+      {error && !loading && (
+        <InfoBox severity="error" title={<h4>Error loading silences</h4>}>
+          {error.message || 'Unknown error.'}
+        </InfoBox>
+      )}
+      {loading && <LoadingPlaceholder text="loading silences..." />}
+      {result && !loading && !error && <pre>{JSON.stringify(result, null, 2)}</pre>}
+    </AlertingPageWrapper>
+  );
+};
+
+export default Silences;

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

@@ -1,5 +1,12 @@
 import { getBackendSrv } from '@grafana/runtime';
-import { AlertManagerCortexConfig } from 'app/plugins/datasource/alertmanager/types';
+import {
+  AlertmanagerAlert,
+  AlertManagerCortexConfig,
+  AlertmanagerGroup,
+  Silence,
+  SilenceCreatePayload,
+  SilenceMatcher,
+} from 'app/plugins/datasource/alertmanager/types';
 import { getDatasourceAPIId, GRAFANA_RULES_SOURCE_NAME } from '../utils/datasource';
 
 // "grafana" for grafana-managed, otherwise a datasource name
@@ -37,3 +44,75 @@ export async function updateAlertmanagerConfig(
     config
   );
 }
+
+export async function fetchSilences(alertmanagerSourceName: string): Promise<Silence[]> {
+  const result = await getBackendSrv()
+    .fetch<Silence[]>({
+      url: `/api/alertmanager/${getDatasourceAPIId(alertmanagerSourceName)}/api/v2/silences`,
+      showErrorAlert: false,
+      showSuccessAlert: false,
+    })
+    .toPromise();
+  return result.data;
+}
+
+// returns the new silence ID. Even in the case of an update, a new silence is created and the previous one expired.
+export async function createOrUpdateSilence(
+  alertmanagerSourceName: string,
+  payload: SilenceCreatePayload
+): Promise<string> {
+  const result = await getBackendSrv().post(
+    `/api/alertmanager/${getDatasourceAPIId(alertmanagerSourceName)}/api/v2/silences`,
+    payload
+  );
+  return result.data.silenceID;
+}
+
+export async function expireSilence(alertmanagerSourceName: string, silenceID: string): Promise<void> {
+  await getBackendSrv().delete(
+    `/api/alertmanager/${getDatasourceAPIId(alertmanagerSourceName)}/api/v2/silences/${encodeURIComponent(silenceID)}`
+  );
+}
+
+export async function fetchAlerts(
+  alertmanagerSourceName: string,
+  matchers?: SilenceMatcher[]
+): Promise<AlertmanagerAlert[]> {
+  const filters =
+    matchers
+      ?.map(
+        (matcher) =>
+          `filter=${encodeURIComponent(
+            `${escapeQuotes(matcher.name)}=${matcher.isRegex ? '~' : ''}"${escapeQuotes(matcher.value)}"`
+          )}`
+      )
+      .join('&') || '';
+
+  const result = await getBackendSrv()
+    .fetch<AlertmanagerAlert[]>({
+      url:
+        `/api/alertmanager/${getDatasourceAPIId(alertmanagerSourceName)}/api/v2/alerts` +
+        (filters ? '?' + filters : ''),
+      showErrorAlert: false,
+      showSuccessAlert: false,
+    })
+    .toPromise();
+
+  return result.data;
+}
+
+export async function fetchAlertGroups(alertmanagerSourceName: string): Promise<AlertmanagerGroup[]> {
+  const result = await getBackendSrv()
+    .fetch<AlertmanagerGroup[]>({
+      url: `/api/alertmanager/${getDatasourceAPIId(alertmanagerSourceName)}/api/v2/alerts/groups`,
+      showErrorAlert: false,
+      showSuccessAlert: false,
+    })
+    .toPromise();
+
+  return result.data;
+}
+
+function escapeQuotes(value: string): string {
+  return value.replace(/"/g, '\\"');
+}

public/app/features/alerting/unified/state/actions.ts

@@ -1,9 +1,9 @@
 import { createAsyncThunk } from '@reduxjs/toolkit';
-import { AlertManagerCortexConfig } from 'app/plugins/datasource/alertmanager/types';
+import { AlertManagerCortexConfig, Silence } from 'app/plugins/datasource/alertmanager/types';
 import { ThunkResult } from 'app/types';
 import { RuleLocation, RuleNamespace } from 'app/types/unified-alerting';
 import { RulerRulesConfigDTO } from 'app/types/unified-alerting-dto';
-import { fetchAlertManagerConfig } from '../api/alertmanager';
+import { fetchAlertManagerConfig, fetchSilences } from '../api/alertmanager';
 import { fetchRules } from '../api/prometheus';
 import { deleteRulerRulesGroup, fetchRulerRules, fetchRulerRulesNamespace, setRulerRuleGroup } from '../api/ruler';
 import { getAllRulesSourceNames, isCloudRulesSource } from '../utils/datasource';
@@ -28,6 +28,13 @@ export const fetchRulerRulesAction = createAsyncThunk(
   }
 );
 
+export const fetchSilencesAction = createAsyncThunk(
+  'unifiedalerting/fetchSilences',
+  (alertManagerSourceName: string): Promise<Silence[]> => {
+    return withSerializedError(fetchSilences(alertManagerSourceName));
+  }
+);
+
 export function fetchAllPromAndRulerRules(force = false): ThunkResult<void> {
   return (dispatch, getStore) => {
     const { promRules, rulerRules } = getStore().unifiedAlerting;

public/app/features/alerting/unified/state/reducers.ts

@@ -1,6 +1,11 @@
 import { combineReducers } from 'redux';
 import { createAsyncMapSlice } from '../utils/redux';
-import { fetchAlertManagerConfigAction, fetchPromRulesAction, fetchRulerRulesAction } from './actions';
+import {
+  fetchAlertManagerConfigAction,
+  fetchPromRulesAction,
+  fetchRulerRulesAction,
+  fetchSilencesAction,
+} from './actions';
 
 export const reducer = combineReducers({
   promRules: createAsyncMapSlice('promRules', fetchPromRulesAction, (dataSourceName) => dataSourceName).reducer,
@@ -10,6 +15,8 @@ export const reducer = combineReducers({
     fetchAlertManagerConfigAction,
     (alertManagerSourceName) => alertManagerSourceName
   ).reducer,
+  silences: createAsyncMapSlice('silences', fetchSilencesAction, (alertManagerSourceName) => alertManagerSourceName)
+    .reducer,
 });
 
 export type UnifiedAlertingState = ReturnType<typeof reducer>;

public/app/plugins/datasource/alertmanager/types.ts

@@ -141,3 +141,70 @@ export type AlertmanagerConfig = {
   inhibit_rules?: InhibitRule[];
   receivers?: Receiver[];
 };
+
+export type SilenceMatcher = {
+  name: string;
+  value: string;
+  isRegex: boolean;
+};
+
+export enum SilenceState {
+  Active = 'active',
+  Expired = 'expired',
+  Pending = 'pending',
+}
+
+export enum AlertState {
+  Unprocessed = 'unprocessed',
+  Active = 'active',
+  Suppressed = 'suppressed',
+}
+
+export type Silence = {
+  id: string;
+  matchers?: SilenceMatcher[];
+  startsAt: string;
+  endsAt: string;
+  updatedAt: string;
+  createdBy: string;
+  comment: string;
+  status: {
+    state: SilenceState;
+  };
+};
+
+export type SilenceCreatePayload = {
+  id?: string;
+  matchers?: SilenceMatcher[];
+  startsAt: string;
+  endsAt: string;
+  createdBy: string;
+  comment: string;
+};
+
+export type AlertmanagerAlert = {
+  startsAt: string;
+  updatedAt: string;
+  endsAt: string;
+  generatorURL?: string;
+  labels: { [key: string]: string };
+  annotations: { [key: string]: string };
+  receivers: [
+    {
+      name: string;
+    }
+  ];
+  fingerprint: string;
+  status: {
+    state: AlertState;
+    silencedBy: string[];
+    inhibitedBy: string[];
+  };
+};
+
+export type AlertmanagerGroup = {
+  labels: { [key: string]: string };
+  receiver: { name: string };
+  alerts: AlertmanagerAlert[];
+  id: string;
+};

public/app/routes/routes.tsx

@@ -363,6 +363,12 @@ export function getAppRoutes(): RouteDescriptor[] {
         () => import(/* webpackChunkName: "AlertAmRoutes" */ 'app/features/alerting/unified/AmRoutes')
       ),
     },
+    {
+      path: '/alerting/silences',
+      component: SafeDynamicImport(
+        () => import(/* webpackChunkName: "AlertSilences" */ 'app/features/alerting/unified/Silences')
+      ),
+    },
     {
       path: '/alerting/notifications',
       component: SafeDynamicImport(