[Fleet] Implement Settings new design for fleet server hosts

x-pack/plugins/fleet/public/applications/fleet/sections/settings/components/fleet_server_hosts_flyout/index.stories.tsx

@@ -0,0 +1,42 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { addParameters } from '@storybook/react';
+import React from 'react';
+
+import { FleetServerHostsFlyout as Component } from '.';
+
+addParameters({
+  docs: {
+    inlineStories: false,
+  },
+});
+export default {
+  component: Component,
+  title: 'Sections/Fleet/Settings',
+};
+
+interface Args {
+  width: number;
+}
+
+const args: Args = {
+  width: 1200,
+};
+
+export const FleetServerHostsFlyout = ({ width }: Args) => {
+  return (
+    <div style={{ width }}>
+      <Component
+        onClose={() => {}}
+        fleetServerHosts={['https://host1.fr:8220', 'https://host2-with-a-longer-name.fr:8220']}
+      />
+    </div>
+  );
+};
+
+FleetServerHostsFlyout.args = args;

x-pack/plugins/fleet/public/applications/fleet/sections/settings/components/fleet_server_hosts_flyout/index.tsx

@@ -0,0 +1,106 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import React from 'react';
+import { FormattedMessage } from '@kbn/i18n/react';
+import {
+  EuiFlyout,
+  EuiFlyoutBody,
+  EuiFlyoutHeader,
+  EuiTitle,
+  EuiText,
+  EuiLink,
+  EuiFlyoutFooter,
+  EuiFlexGroup,
+  EuiFlexItem,
+  EuiButtonEmpty,
+  EuiButton,
+} from '@elastic/eui';
+
+import { HostsInput } from '../hosts_input';
+import { useStartServices } from '../../../../hooks';
+
+import { useFleetServerHostsForm } from './use_fleet_server_host_form';
+
+const FLYOUT_MAX_WIDTH = 800;
+
+export interface FleetServerHostsFlyoutProps {
+  onClose: () => void;
+  fleetServerHosts: string[];
+}
+
+export const FleetServerHostsFlyout: React.FunctionComponent<FleetServerHostsFlyoutProps> = ({
+  onClose,
+  fleetServerHosts,
+}) => {
+  const { docLinks } = useStartServices();
+
+  const form = useFleetServerHostsForm(fleetServerHosts, onClose);
+
+  return (
+    <EuiFlyout maxWidth={FLYOUT_MAX_WIDTH} onClose={onClose}>
+      <EuiFlyoutHeader hasBorder={true}>
+        <EuiTitle size="m">
+          <h2 id="FleetPackagePolicyPreviousVersionFlyoutTitle">
+            <FormattedMessage
+              id="xpack.fleet.settings.fleetServerHostsFlyout.title"
+              defaultMessage="Fleet Server hosts"
+            />
+          </h2>
+        </EuiTitle>
+      </EuiFlyoutHeader>
+      <EuiFlyoutBody>
+        <EuiText color="subdued">
+          <FormattedMessage
+            id="xpack.fleet.settings.fleetServerHostsFlyout.description"
+            defaultMessage="Specify the URLs that your agents will use to connect to a Fleet Server. If multiple URLs exist, Fleet shows the first provided URL for enrollment purposes. Fleet Server uses port 8220 by default. Refer to the {link}."
+            values={{
+              link: (
+                <EuiLink
+                  href={docLinks.links.fleet.settingsFleetServerHostSettings}
+                  target="_blank"
+                  external
+                >
+                  <FormattedMessage
+                    id="xpack.fleet.settings.fleetServerHostsFlyout.userGuideLink"
+                    defaultMessage="Fleet and Elastic Agent Guide"
+                  />
+                </EuiLink>
+              ),
+            }}
+          />
+        </EuiText>
+        <HostsInput {...form.fleetServerHostsInput.props} id="fleet-server-inputs" />
+      </EuiFlyoutBody>
+      <EuiFlyoutFooter>
+        <EuiFlexGroup justifyContent="spaceBetween">
+          <EuiFlexItem grow={false}>
+            <EuiButtonEmpty onClick={() => onClose()} flush="left">
+              <FormattedMessage
+                id="xpack.fleet.settings.fleetServerHostsFlyout.cancelButtonLabel"
+                defaultMessage="Cancel"
+              />
+            </EuiButtonEmpty>
+          </EuiFlexItem>
+          <EuiFlexItem grow={false}>
+            <EuiButton
+              fill
+              isLoading={form.isLoading}
+              isDisabled={form.isLoading}
+              onClick={form.submit}
+            >
+              <FormattedMessage
+                id="xpack.fleet.settings.fleetServerHostsFlyout.saveButton"
+                defaultMessage="Save and apply settings"
+              />
+            </EuiButton>
+          </EuiFlexItem>
+        </EuiFlexGroup>
+      </EuiFlyoutFooter>
+    </EuiFlyout>
+  );
+};

x-pack/plugins/fleet/public/applications/fleet/sections/settings/components/fleet_server_hosts_flyout/use_fleet_server_host_form.tsx

@@ -0,0 +1,142 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import React, { useCallback } from 'react';
+
+import { i18n } from '@kbn/i18n';
+
+import { sendPutSettings, useComboInput, useStartServices } from '../../../../hooks';
+import { isDiffPathProtocol } from '../../../../../../../common';
+import { useConfirmModal } from '../../hooks/use_confirm_modal';
+
+const URL_REGEX = /^(https?):\/\/[^\s$.?#].[^\s]*$/gm;
+
+function validateFleetServerHosts(value: string[]) {
+  if (value.length === 0) {
+    return [
+      {
+        message: i18n.translate('xpack.fleet.settings.fleetServerHostsEmptyError', {
+          defaultMessage: 'At least one URL is required',
+        }),
+      },
+    ];
+  }
+
+  const res: Array<{ message: string; index: number }> = [];
+  const hostIndexes: { [key: string]: number[] } = {};
+  value.forEach((val, idx) => {
+    if (!val.match(URL_REGEX)) {
+      res.push({
+        message: i18n.translate('xpack.fleet.settings.fleetServerHostsError', {
+          defaultMessage: 'Invalid URL',
+        }),
+        index: idx,
+      });
+    }
+    const curIndexes = hostIndexes[val] || [];
+    hostIndexes[val] = [...curIndexes, idx];
+  });
+
+  Object.values(hostIndexes)
+    .filter(({ length }) => length > 1)
+    .forEach((indexes) => {
+      indexes.forEach((index) =>
+        res.push({
+          message: i18n.translate('xpack.fleet.settings.fleetServerHostsDuplicateError', {
+            defaultMessage: 'Duplicate URL',
+          }),
+          index,
+        })
+      );
+    });
+
+  if (res.length) {
+    return res;
+  }
+
+  if (value.length && isDiffPathProtocol(value)) {
+    return [
+      {
+        message: i18n.translate(
+          'xpack.fleet.settings.fleetServerHostsDifferentPathOrProtocolError',
+          {
+            defaultMessage: 'Protocol and path must be the same for each URL',
+          }
+        ),
+      },
+    ];
+  }
+}
+
+export function useFleetServerHostsForm(
+  fleetServerHostsDefaultValue: string[],
+  onSuccess: () => void
+) {
+  const [isLoading, setIsLoading] = React.useState(false);
+  const { notifications } = useStartServices();
+  const { confirm } = useConfirmModal();
+
+  const fleetServerHostsInput = useComboInput(
+    'fleetServerHostsInput',
+    fleetServerHostsDefaultValue,
+    validateFleetServerHosts
+  );
+
+  const fleetServerHostsInputValidate = fleetServerHostsInput.validate;
+  const validate = useCallback(
+    () => fleetServerHostsInputValidate(),
+    [fleetServerHostsInputValidate]
+  );
+
+  const submit = useCallback(async () => {
+    try {
+      if (!validate) {
+        return;
+      }
+      if (
+        !(await confirm(
+          i18n.translate('xpack.fleet.settings.fleetServerHostsFlyout.confirmModalTitle', {
+            defaultMessage: 'Save and deploy changes?',
+          }),
+          i18n.translate('xpack.fleet.settings.fleetServerHostsFlyout.confirmModalDescription', {
+            defaultMessage:
+              'This action will update all of your agent policies and all of your agents. Are you sure you wish to continue?',
+          })
+        ))
+      ) {
+        return;
+      }
+      setIsLoading(true);
+      const settingsResponse = await sendPutSettings({
+        fleet_server_hosts: fleetServerHostsInput.value,
+      });
+      if (settingsResponse.error) {
+        throw settingsResponse.error;
+      }
+      notifications.toasts.addSuccess(
+        i18n.translate('xpack.fleet.settings.fleetServerHostsFlyout.successToastTitle', {
+          defaultMessage: 'Settings saved',
+        })
+      );
+      setIsLoading(false);
+      onSuccess();
+    } catch (error) {
+      setIsLoading(false);
+      notifications.toasts.addError(error, {
+        title: i18n.translate('xpack.fleet.settings.fleetServerHostsFlyout.errorToastTitle', {
+          defaultMessage: 'An error happened while saving settings',
+        }),
+      });
+    }
+  }, [fleetServerHostsInput.value, validate, notifications, confirm, onSuccess]);
+
+  return {
+    isLoading,
+    submit,
+    fleetServerHostsInput,
+  };
+}

x-pack/plugins/fleet/public/applications/fleet/sections/settings/components/hosts_input/index.stories.tsx

@@ -0,0 +1,52 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { useState } from '@storybook/addons';
+import { addParameters } from '@storybook/react';
+import React from 'react';
+
+import { HostsInput as Component } from '.';
+
+addParameters({
+  options: {
+    enableShortcuts: false,
+  },
+});
+
+export default {
+  component: Component,
+  title: 'Sections/Fleet/Settings',
+};
+
+interface Args {
+  width: number;
+  label: string;
+  helpText: string;
+}
+
+const args: Args = {
+  width: 250,
+  label: 'Demo label',
+  helpText: 'Demo helpText',
+};
+
+export const HostsInput = ({ width, label, helpText }: Args) => {
+  const [value, setValue] = useState<string[]>([]);
+  return (
+    <div style={{ width }}>
+      <Component
+        id="test-host-input"
+        helpText={helpText}
+        value={value}
+        onChange={setValue}
+        label={label}
+      />
+    </div>
+  );
+};
+
+HostsInput.args = args;

x-pack/plugins/fleet/public/applications/fleet/sections/settings/components/legacy_settings_form/hosts_input.test.tsx → x-pack/plugins/fleet/public/applications/fleet/sections/settings/components/hosts_input/index.test.tsx

@@ -10,7 +10,7 @@ import { fireEvent, act } from '@testing-library/react';
 
 import { createFleetTestRendererMock } from '../../../../../../mock';
 
-import { HostsInput } from './hosts_input';
+import { HostsInput } from '.';
 
 function renderInput(
   value = ['http://host1.com'],