[UII] Allow to create integration policy with no agent policies

x-pack/plugins/fleet/cypress/e2e/package_policy.cy.ts

@@ -4,36 +4,46 @@
  * 2.0; you may not use this file except in compliance with the Elastic License
  * 2.0.
  */
+import { EXISTING_HOSTS_TAB } from '../screens/fleet';
+import {
+  ADD_INTEGRATION_POLICY_BTN,
+  CREATE_PACKAGE_POLICY_SAVE_BTN,
+  POLICY_EDITOR,
+} from '../screens/integrations';
+import { CONFIRM_MODAL } from '../screens/navigation';
 import { login } from '../tasks/login';
 
-describe('Edit package policy', () => {
-  const policyConfig = {
-    id: 'policy-1',
-    name: 'fleet_server-1',
-    namespace: 'default',
-    package: { name: 'fleet_server', title: 'Fleet Server', version: '1.1.0' },
-    enabled: true,
-    policy_id: 'fleet-server-policy',
-    policy_ids: ['fleet-server-policy'],
-    output_id: 'fleet-default-output',
-    inputs: [
-      {
-        type: 'fleet-server',
-        policy_template: 'fleet_server',
-        enabled: true,
-        streams: [],
-        vars: {
-          host: { value: ['0.0.0.0'], type: 'text' },
-          port: { value: [8220], type: 'integer' },
-          max_connections: { type: 'integer' },
-          custom: { value: '', type: 'yaml' },
-        },
-        compiled_input: { server: { port: 8220, host: '0.0.0.0' } },
-      },
-    ],
-  };
+describe('Package policy', () => {
   beforeEach(() => {
     login();
+  });
+
+  it('should edit package policy', () => {
+    const policyConfig = {
+      id: 'policy-1',
+      name: 'fleet_server-1',
+      namespace: 'default',
+      package: { name: 'fleet_server', title: 'Fleet Server', version: '1.1.0' },
+      enabled: true,
+      policy_id: 'fleet-server-policy',
+      policy_ids: ['fleet-server-policy'],
+      output_id: 'fleet-default-output',
+      inputs: [
+        {
+          type: 'fleet-server',
+          policy_template: 'fleet_server',
+          enabled: true,
+          streams: [],
+          vars: {
+            host: { value: ['0.0.0.0'], type: 'text' },
+            port: { value: [8220], type: 'integer' },
+            max_connections: { type: 'integer' },
+            custom: { value: '', type: 'yaml' },
+          },
+          compiled_input: { server: { port: 8220, host: '0.0.0.0' } },
+        },
+      ],
+    };
 
     cy.intercept('/api/fleet/package_policies/policy-1', {
       item: policyConfig,
@@ -111,9 +121,7 @@ describe('Edit package policy', () => {
         status: 'not_installed',
       },
     });
-  });
 
-  it('should edit package policy', () => {
     cy.visit('/app/fleet/policies/fleet-server-policy/edit-integration/policy-1');
     cy.getBySel('packagePolicyDescriptionInput').clear().type('desc');
 
@@ -128,4 +136,27 @@ describe('Edit package policy', () => {
       expect(interception.request.body.description).to.equal('desc');
     });
   });
+
+  it('should create a new orphaned package policy', () => {
+    cy.visit('/app/integrations/detail/system');
+    cy.getBySel(ADD_INTEGRATION_POLICY_BTN).click();
+    cy.getBySel(EXISTING_HOSTS_TAB).click();
+    cy.getBySel(POLICY_EDITOR.AGENT_POLICY_SELECT).should('exist');
+    cy.getBySel(POLICY_EDITOR.AGENT_POLICY_CLEAR).should('not.exist');
+    cy.getBySel(POLICY_EDITOR.POLICY_NAME_INPUT).clear().type('system-orphaned-test');
+
+    cy.intercept({
+      method: 'POST',
+      url: '/api/fleet/package_policies',
+    }).as('createPackagePolicy');
+
+    cy.getBySel(CREATE_PACKAGE_POLICY_SAVE_BTN).should('be.enabled').click();
+    cy.getBySel(CONFIRM_MODAL.CONFIRM_BUTTON).click();
+
+    cy.wait('@createPackagePolicy').then((interception) => {
+      expect(interception.request.body.name).to.equal('system-orphaned-test');
+      expect(interception.request.body.policy_id).to.equal(undefined);
+      expect(interception.request.body.policy_ids).to.deep.equal([]);
+    });
+  });
 });

x-pack/plugins/fleet/cypress/screens/integrations.ts

@@ -39,6 +39,7 @@ export const POLICY_EDITOR = {
   POLICY_NAME_INPUT: 'packagePolicyNameInput',
   DATASET_SELECT: 'datasetComboBox',
   AGENT_POLICY_SELECT: 'agentPolicyMultiSelect',
+  AGENT_POLICY_CLEAR: 'comboBoxClearButton',
   INSPECT_PIPELINES_BTN: 'datastreamInspectPipelineBtn',
   EDIT_MAPPINGS_BTN: 'datastreamEditMappingsBtn',
   CREATE_MAPPINGS_BTN: 'datastreamAddCustomComponentTemplateBtn',

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/create_package_policy_page/components/steps/step_select_hosts.test.tsx

@@ -123,7 +123,8 @@ describe('StepSelectHosts', () => {
     await waitFor(() => {
       expect(renderResult.getByText('New agent policy name')).toBeInTheDocument();
     });
-    expect(renderResult.queryByRole('tablist')).not.toBeInTheDocument();
+    expect(renderResult.queryByRole('tablist')).toBeInTheDocument();
+    expect(renderResult.getByText('Create agent policy')).toBeInTheDocument();
   });
 
   it('should display tabs with New hosts selected when agent policies exist', async () => {

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/create_package_policy_page/components/steps/step_select_hosts.tsx

@@ -105,7 +105,7 @@ export const StepSelectHosts: React.FunctionComponent<Props> = ({
   const handleOnTabClick = (tab: EuiTabbedContentTab) =>
     updateSelectedTab(tab.id as SelectedPolicyTab);
 
-  return existingAgentPolicies.length > 0 ? (
+  return (
     <StyledEuiTabbedContent
       initialSelectedTab={
         initialSelectedTabIndex
@@ -117,13 +117,5 @@ export const StepSelectHosts: React.FunctionComponent<Props> = ({
       tabs={tabs}
       onTabClick={handleOnTabClick}
     />
-  ) : (
-    <AgentPolicyIntegrationForm
-      agentPolicy={newAgentPolicy}
-      updateAgentPolicy={updateNewAgentPolicy}
-      withSysMonitoring={withSysMonitoring}
-      updateSysMonitoring={updateSysMonitoring}
-      validation={validation}
-    />
   );
 };

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/create_package_policy_page/single_page_layout/hooks/form.tsx

@@ -280,7 +280,7 @@ export function useOnSubmit({
 
   useEffect(() => {
     if (
-      agentPolicies.length > 0 &&
+      (canUseMultipleAgentPolicies || agentPolicies.length > 0) &&
       !isEqual(
         agentPolicies.map((policy) => policy.id),
         packagePolicy.policy_ids
@@ -290,7 +290,7 @@ export function useOnSubmit({
         policy_ids: agentPolicies.map((policy) => policy.id),
       });
     }
-  }, [packagePolicy, agentPolicies, updatePackagePolicy]);
+  }, [packagePolicy, agentPolicies, updatePackagePolicy, canUseMultipleAgentPolicies]);
 
   const onSaveNavigate = useOnSaveNavigate({
     packagePolicy,

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/edit_package_policy_page/components/step_edit_hosts.test.tsx

@@ -124,8 +124,9 @@ describe('StepEditHosts', () => {
 
     render();
 
-    expect(renderResult.getByText('New agent policy name')).toBeInTheDocument();
     expect(renderResult.queryByRole('tablist')).not.toBeInTheDocument();
+    expect(renderResult.getByText('For existing hosts:')).toBeInTheDocument();
+    expect(renderResult.getByText('For a new host:')).toBeInTheDocument();
   });
 
   it('should display new policy button and existing policies when agent policies exist', () => {

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/edit_package_policy_page/components/step_edit_hosts.tsx

@@ -60,7 +60,7 @@ export const StepEditHosts: React.FunctionComponent<Props> = ({
     }
   }, [existingAgentPolicies.length]); // eslint-disable-line react-hooks/exhaustive-deps
 
-  return existingAgentPolicies.length > 0 ? (
+  return (
     <EuiFlexGroup direction="column" alignItems="flexStart">
       <EuiFlexItem>
         <EuiTitle size="xs">
@@ -141,13 +141,5 @@ export const StepEditHosts: React.FunctionComponent<Props> = ({
         </>
       )}
     </EuiFlexGroup>
-  ) : (
-    <AgentPolicyIntegrationForm
-      agentPolicy={newAgentPolicy}
-      updateAgentPolicy={updateNewAgentPolicy}
-      withSysMonitoring={withSysMonitoring}
-      updateSysMonitoring={updateSysMonitoring}
-      validation={validation}
-    />
   );
 };

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/services/devtools_request.tsx

@@ -18,6 +18,7 @@ import type {
   UpdatePackagePolicy,
   UpdateAgentPolicyRequest,
 } from '../../../types';
+import { canUseMultipleAgentPolicies } from '../../../hooks';
 
 function generateKibanaDevToolsRequest(method: string, path: string, body: any) {
   return `${method} kbn:${path}\n${JSON.stringify(body, null, 2)}\n`;
@@ -49,9 +50,13 @@ export function generateCreateAgentPolicyDevToolsRequest(
 export function generateCreatePackagePolicyDevToolsRequest(
   packagePolicy: NewPackagePolicy & { force?: boolean }
 ) {
+  const canHaveNoAgentPolicies = canUseMultipleAgentPolicies();
+
   return generateKibanaDevToolsRequest('POST', packagePolicyRouteService.getCreatePath(), {
     policy_ids:
-      packagePolicy.policy_ids.length > 0 ? packagePolicy.policy_ids : ['<agent_policy_id>'],
+      packagePolicy.policy_ids.length > 0 || canHaveNoAgentPolicies
+        ? packagePolicy.policy_ids
+        : ['<agent_policy_id>'],
     package: formatPackage(packagePolicy.package),
     ...omit(packagePolicy, 'policy_ids', 'package', 'enabled'),
     inputs: formatInputs(packagePolicy.inputs),

x-pack/plugins/fleet/public/hooks/use_multiple_agent_policies.ts

@@ -8,15 +8,16 @@
 import { LICENCE_FOR_MULTIPLE_AGENT_POLICIES } from '../../common/constants';
 import { ExperimentalFeaturesService } from '../services';
 
-import { useLicense } from './use_license';
+import { licenseService } from './use_license';
 
 export function useMultipleAgentPolicies() {
-  const licenseService = useLicense();
+  return { canUseMultipleAgentPolicies: canUseMultipleAgentPolicies() };
+}
+
+export function canUseMultipleAgentPolicies() {
   const { enableReusableIntegrationPolicies } = ExperimentalFeaturesService.get();
 
   const hasEnterpriseLicence = licenseService.hasAtLeast(LICENCE_FOR_MULTIPLE_AGENT_POLICIES);
 
-  const canUseMultipleAgentPolicies = enableReusableIntegrationPolicies && hasEnterpriseLicence;
-
-  return { canUseMultipleAgentPolicies };
+  return Boolean(enableReusableIntegrationPolicies && hasEnterpriseLicence);
 }