ui/dashboard: Add network plane health in Network panel

		Remove the ServiceItem from DashboardServices and create the HealthItem component with it
		Add DashboardPlane component containing 2 HealthItems
		Add tests for the new DashbordPlane component
		history.push replaced by history.replace in the HealthItem component
		useless comment removed in HealthItem component
Ref:	#3511

shell-ui/src/alerts/alertHooks.js

@@ -19,7 +19,7 @@ export const getVolumesAlertSelectors = (): FilterLabels => {
 
 export const getNetworksAlertSelectors = (): FilterLabels => {
   return {
-    alertname: ['ControlPlaneNetworkDegraded', 'WorkloadPlaneNetworkDegraded'],
+    alertname: ['NetworkDegraded'],
   };
 };
 

ui/src/components/DashboardNetwork.js

@@ -0,0 +1,37 @@
+import React from 'react';
+import styled from 'styled-components';
+import { useIntl } from 'react-intl';
+
+import { spacing } from '@scality/core-ui/dist/style/theme';
+import { PageSubtitle } from '../components/style/CommonLayoutStyle';
+
+import DashboardPlane from './DashboardPlane';
+
+export const NetworkContainer = styled.div`
+  padding: ${spacing.sp2} ${spacing.sp4};
+  display: flex;
+  flex-direction: column;
+  flex-grow: 1;
+`;
+
+export const PanelActions = styled.div`
+  display: flex;
+  padding: ${spacing.sp4};
+  align-items: center;
+  justify-content: space-between;
+`;
+
+const DashboardNetwork = () => {
+  const intl = useIntl();
+
+  return (
+    <NetworkContainer>
+      <PanelActions>
+        <PageSubtitle>{intl.formatMessage({ id: 'network' })}</PageSubtitle>
+      </PanelActions>
+      <DashboardPlane />
+    </NetworkContainer>
+  );
+};
+
+export default DashboardNetwork;

ui/src/components/DashboardPlane.js

@@ -0,0 +1,62 @@
+import React from 'react';
+import { useIntl } from 'react-intl';
+import styled from 'styled-components';
+import {
+  useAlertLibrary,
+  useHighestSeverityAlerts,
+  highestAlertToStatus,
+} from '../containers/AlertProvider';
+import { PageSubtitle } from './style/CommonLayoutStyle';
+import { PanelActions, NetworkContainer } from './DashboardNetwork';
+import HealthItem from './HealthItem.js';
+import { spacing } from '@scality/core-ui/dist/style/theme';
+
+const PlanesContainer = styled.div`
+  padding-left: ${spacing.sp8};
+  display: flex;
+  flex-direction: row;
+`;
+
+const PlaneContainer = styled.div`
+  display: flex;
+  flex-direction: row;
+  margin-right: ${spacing.sp40};
+`;
+
+const DashboardPlane = () => {
+  const intl = useIntl();
+  const alertsLibrary = useAlertLibrary();
+
+  const planesHighestSecurityAlert = useHighestSeverityAlerts(
+    alertsLibrary.getNetworksAlertSelectors(),
+  );
+  const planesStatus = highestAlertToStatus(planesHighestSecurityAlert);
+
+  return (
+    <NetworkContainer>
+      <PanelActions>
+        <PageSubtitle>Planes</PageSubtitle>
+      </PanelActions>
+      <PlanesContainer>
+        <PlaneContainer>
+          <HealthItem
+            label={intl.formatMessage({ id: 'control_plane' })}
+            status={planesStatus}
+            alerts={planesHighestSecurityAlert}
+            showArrow={false}
+          />
+        </PlaneContainer>
+        <PlaneContainer>
+          <HealthItem
+            label={intl.formatMessage({ id: 'workload_plane' })}
+            status={planesStatus}
+            alerts={planesHighestSecurityAlert}
+            showArrow={false}
+          />
+        </PlaneContainer>
+      </PlanesContainer>
+    </NetworkContainer>
+  );
+};
+
+export default DashboardPlane;

ui/src/components/DashboardPlane.test.js

@@ -0,0 +1,102 @@
+//@flow
+import React from 'react';
+import { screen } from '@testing-library/react';
+import DashboardPlane from './DashboardPlane';
+import { render } from './__TEST__/util';
+import type { Alert } from '../services/alertUtils';
+import { useHighestSeverityAlerts } from '../containers/AlertProvider';
+import {
+  STATUS_WARNING,
+  STATUS_CRITICAL,
+  STATUS_HEALTH,
+} from '../constants.js';
+
+const alertsCritical = [
+  {
+    id: 'alert1',
+    severity: STATUS_CRITICAL,
+    startsAt: '2021-07-28T10:36:24.293Z',
+  },
+];
+const alertsWarning = [
+  {
+    id: 'alert2',
+    severity: STATUS_WARNING,
+    startsAt: '2021-07-28T10:36:24.293Z',
+  },
+];
+const noAlerts = [];
+
+jest.mock('../containers/AlertProvider', () => ({
+  __esModule: true,
+  default: ({ children }) => <>{children}</>,
+  useHighestSeverityAlerts: jest.fn(),
+  useAlertLibrary: () => ({
+    getNetworksAlertSelectors: () => {},
+  }),
+  highestAlertToStatus: (alerts?: Alert[]): string => {
+    return (alerts?.[0] && ((alerts[0].severity: any): string)) || 'healthy';
+  },
+}));
+
+jest.mock('../containers/ConfigProvider', () => ({
+  __esModule: true,
+  default: ({ children }) => <>{children}</>,
+  useLinkOpener: () => ({
+    openLink: jest.fn(),
+  }),
+  useDiscoveredViews: () => [
+    {
+      app: {
+        kind: '',
+        name: '',
+        version: '',
+        url: '',
+        appHistoryBasePath: '',
+      },
+      isFederated: true,
+      view: { path: '/alerts' },
+    },
+  ],
+}));
+
+const NB_ITEMS = 2;
+
+describe("the dashboard network's plane panel", () => {
+  test("displays the network's plane panel and display 2 green statuses when no alerts are present", async () => {
+    // Have to any type jest.fn function to avoid Flow warning for mockImplementation()
+    (useHighestSeverityAlerts: any).mockImplementation(() => noAlerts);
+    render(<DashboardPlane />);
+    expect(screen.getAllByLabelText(`status ${STATUS_HEALTH}`)).toHaveLength(
+      NB_ITEMS,
+    );
+  });
+
+  test('displays 2 warning statuses when warning alerts are present as well as link to the alerts page', async () => {
+    // Have to any type jest.fn function to avoid Flow warning for mockImplementation()
+    (useHighestSeverityAlerts: any).mockImplementation(() => alertsWarning);
+
+    // Render
+    render(<DashboardPlane />);
+
+    // Verify
+    expect(screen.getAllByLabelText(`status ${STATUS_WARNING}`)).toHaveLength(
+      NB_ITEMS,
+    );
+    expect(screen.getAllByTestId('alert-link')).toHaveLength(NB_ITEMS);
+  });
+
+  test('displays 2 critical statuses when warning alerts are present as well as link to the alerts page', async () => {
+    // Have to any type jest.fn function to avoid Flow warning for mockImplementation()
+    (useHighestSeverityAlerts: any).mockImplementation(() => alertsCritical);
+
+    // Render
+    render(<DashboardPlane />);
+
+    // Verify
+    expect(screen.getAllByLabelText(`status ${STATUS_CRITICAL}`)).toHaveLength(
+      NB_ITEMS,
+    );
+    expect(screen.getAllByTestId('alert-link')).toHaveLength(NB_ITEMS);
+  });
+});