Wizard: Add Hostname functionality

This adds a validated hostname input and new tests.

src/Components/CreateImageWizard/CreateImageWizard.tsx

@@ -37,6 +37,7 @@ import {
   useFirstBootValidation,
   useDetailsValidation,
   useRegistrationValidation,
+  useHostnameValidation,
 } from './utilities/useValidation';
 import {
   isAwsAccountIdValid,
@@ -216,6 +217,8 @@ const CreateImageWizard = ({ isEdit }: CreateImageWizardProps) => {
   // Filesystem
   const [filesystemPristine, setFilesystemPristine] = useState(true);
   const fileSystemValidation = useFilesystemValidation();
+  // Hostname
+  const hostnameValidation = useHostnameValidation();
   // Firstboot
   const firstBootValidation = useFirstBootValidation();
   // Details
@@ -487,8 +490,12 @@ const CreateImageWizard = ({ isEdit }: CreateImageWizardProps) => {
                 key="wizard-hostname"
                 navItem={customStatusNavItem}
                 isHidden={!isHostnameEnabled}
+                status={hostnameValidation.disabledNext ? 'error' : 'default'}
                 footer={
-                  <CustomWizardFooter disableNext={false} optional={true} />
+                  <CustomWizardFooter
+                    disableNext={hostnameValidation.disabledNext}
+                    optional={true}
+                  />
                 }
               >
                 <HostnameStep />

src/Components/CreateImageWizard/steps/Hostname/components/HostnameInput.tsx

@@ -1,7 +1,37 @@
 import React from 'react';
 
+import { FormGroup } from '@patternfly/react-core';
+
+import { useAppDispatch, useAppSelector } from '../../../../../store/hooks';
+import {
+  changeHostname,
+  selectHostname,
+} from '../../../../../store/wizardSlice';
+import { useHostnameValidation } from '../../../utilities/useValidation';
+import { HookValidatedInput } from '../../../ValidatedTextInput';
+
 const HostnameInput = () => {
-  return <></>;
+  const dispatch = useAppDispatch();
+  const hostname = useAppSelector(selectHostname);
+
+  const stepValidation = useHostnameValidation();
+
+  const handleChange = (e: React.FormEvent, value: string) => {
+    dispatch(changeHostname(value));
+  };
+
+  return (
+    <FormGroup label="Hostname">
+      <HookValidatedInput
+        ariaLabel="hostname input"
+        value={hostname}
+        onChange={handleChange}
+        placeholder="Add a hostname"
+        stepValidation={stepValidation}
+        fieldName="hostname"
+      />
+    </FormGroup>
+  );
 };
 
 export default HostnameInput;

src/Components/CreateImageWizard/utilities/requestMapper.ts

@@ -80,6 +80,7 @@ import {
   selectNtpServers,
   selectLanguages,
   selectKeyboard,
+  selectHostname,
 } from '../../../store/wizardSlice';
 import { FileSystemConfigurationType } from '../steps/FileSystem';
 import {
@@ -310,6 +311,7 @@ function commonRequestToState(
       timezone: request.customizations.timezone?.timezone || '',
       ntpservers: request.customizations.timezone?.ntpservers || [],
     },
+    hostname: request.customizations.hostname || '',
   };
 }
 
@@ -502,7 +504,7 @@ const getCustomizations = (state: RootState, orgID: string): Customizations => {
     filesystem: getFileSystem(state),
     users: undefined,
     services: getServices(state),
-    hostname: undefined,
+    hostname: selectHostname(state) || undefined,
     kernel: selectKernel(state).append
       ? { append: selectKernel(state).append }
       : undefined,

src/Components/CreateImageWizard/utilities/useValidation.tsx

@@ -18,6 +18,7 @@ import {
   selectUseLatest,
   selectActivationKey,
   selectRegistrationType,
+  selectHostname,
 } from '../../../store/wizardSlice';
 import {
   getDuplicateMountPoints,
@@ -25,6 +26,7 @@ import {
   isBlueprintDescriptionValid,
   isMountpointMinSizeValid,
   isSnapshotValid,
+  isHostnameValid,
 } from '../validators';
 
 export type StepValidation = {
@@ -38,12 +40,14 @@ export function useIsBlueprintValid(): boolean {
   const registration = useRegistrationValidation();
   const filesystem = useFilesystemValidation();
   const snapshot = useSnapshotValidation();
+  const hostname = useHostnameValidation();
   const firstBoot = useFirstBootValidation();
   const details = useDetailsValidation();
   return (
     !registration.disabledNext &&
     !filesystem.disabledNext &&
     !snapshot.disabledNext &&
+    !hostname.disabledNext &&
     !firstBoot.disabledNext &&
     !details.disabledNext
   );
@@ -133,6 +137,20 @@ export function useFirstBootValidation(): StepValidation {
   };
 }
 
+export function useHostnameValidation(): StepValidation {
+  const hostname = useAppSelector(selectHostname);
+
+  if (!isHostnameValid(hostname)) {
+    return {
+      errors: {
+        hostname: 'Invalid hostname',
+      },
+      disabledNext: true,
+    };
+  }
+  return { errors: {}, disabledNext: false };
+}
+
 export function useDetailsValidation(): StepValidation {
   const name = useAppSelector(selectBlueprintName);
   const description = useAppSelector(selectBlueprintDescription);

src/Components/CreateImageWizard/validators.ts

@@ -90,3 +90,12 @@ export const isNtpServerValid = (ntpServer: string) => {
     /^([a-z0-9-]+)?(([.:/]{1,3}[a-z0-9-]+)){1,}$/.test(ntpServer)
   );
 };
+
+export const isHostnameValid = (hostname: string) => {
+  if (hostname !== '') {
+    return /^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9-]*[A-Za-z0-9])$/.test(
+      hostname
+    );
+  }
+  return true;
+};

src/store/wizardSlice.ts

@@ -114,6 +114,7 @@ export type wizardState = {
     blueprintDescription: string;
   };
   timezone: Timezone;
+  hostname: string;
   metadata?: {
     parent_id: string | null;
     exported_at: string;
@@ -193,6 +194,7 @@ export const initialState: wizardState = {
     timezone: '',
     ntpservers: [],
   },
+  hostname: '',
   firstBoot: { script: '' },
 };
 
@@ -371,6 +373,10 @@ export const selectNtpServers = (state: RootState) => {
   return state.wizard.timezone.ntpservers;
 };
 
+export const selectHostname = (state: RootState) => {
+  return state.wizard.hostname;
+};
+
 export const wizardSlice = createSlice({
   name: 'wizard',
   initialState,
@@ -749,6 +755,9 @@ export const wizardSlice = createSlice({
         1
       );
     },
+    changeHostname: (state, action: PayloadAction<string>) => {
+      state.hostname = action.payload;
+    },
   },
 });
 
@@ -815,5 +824,6 @@ export const {
   changeTimezone,
   addNtpServer,
   removeNtpServer,
+  changeHostname,
 } = wizardSlice.actions;
 export default wizardSlice.reducer;

src/test/Components/CreateImageWizard/steps/Hostname/Hostname.test.tsx

@@ -2,9 +2,15 @@ import type { Router as RemixRouter } from '@remix-run/router';
 import { screen, waitFor } from '@testing-library/react';
 import { userEvent } from '@testing-library/user-event';
 
+import { CREATE_BLUEPRINT } from '../../../../../constants';
 import {
+  blueprintRequest,
   clickBack,
   clickNext,
+  enterBlueprintName,
+  getNextButton,
+  interceptBlueprintRequest,
+  openAndDismissSaveAndBuildModal,
   verifyCancelButton,
 } from '../../wizardTestUtils';
 import { clickRegisterLater, renderCreateMode } from '../../wizardTestUtils';
@@ -30,6 +36,25 @@ const goToHostnameStep = async () => {
   await clickNext(); // Hostname
 };
 
+const goToReviewStep = async () => {
+  await clickNext(); // First boot script
+  await clickNext(); // Details
+  await enterBlueprintName();
+  await clickNext(); // Review
+};
+
+const enterHostname = async (hostname: string) => {
+  const user = userEvent.setup();
+  const hostnameInput = await screen.findByPlaceholderText(/Add a hostname/i);
+  await waitFor(() => user.type(hostnameInput, hostname));
+};
+
+const clearHostname = async () => {
+  const user = userEvent.setup();
+  const hostnameInput = await screen.findByPlaceholderText(/Add a hostname/i);
+  await waitFor(() => user.clear(hostnameInput));
+};
+
 describe('Step Hostname', () => {
   beforeEach(() => {
     vi.clearAllMocks();
@@ -57,8 +82,56 @@ describe('Step Hostname', () => {
     await goToHostnameStep();
     await verifyCancelButton(router);
   });
+
+  test('validation works', async () => {
+    await renderCreateMode();
+    await goToHostnameStep();
+
+    // with empty hostname input
+    const nextButton = await getNextButton();
+    expect(nextButton).toBeEnabled();
+
+    // invalid name
+    await enterHostname('-invalid-hostname-');
+    expect(nextButton).toBeDisabled();
+    await clickNext(); // dummy click to blur and render error (doesn't render when pristine)
+    await screen.findByText(/Invalid hostname/);
+
+    // valid name
+    await clearHostname();
+    await enterHostname('valid-hostname');
+    expect(nextButton).toBeEnabled();
+    expect(screen.queryByText(/Invalid hostname/)).not.toBeInTheDocument();
+  });
+});
+
+describe('Hostname request generated correctly', () => {
+  beforeEach(async () => {
+    vi.clearAllMocks();
+  });
+
+  test('with valid hostname', async () => {
+    await renderCreateMode();
+    await goToHostnameStep();
+    await enterHostname('hostname');
+    await goToReviewStep();
+    // informational modal pops up in the first test only as it's tied
+    // to a 'imageBuilder.saveAndBuildModalSeen' variable in localStorage
+    await openAndDismissSaveAndBuildModal();
+    const receivedRequest = await interceptBlueprintRequest(CREATE_BLUEPRINT);
+
+    const expectedRequest = {
+      ...blueprintRequest,
+      customizations: {
+        hostname: 'hostname',
+      },
+    };
+
+    await waitFor(() => {
+      expect(receivedRequest).toEqual(expectedRequest);
+    });
+  });
 });
 
 // TO DO 'Step Hostname' -> 'revisit step button on Review works'
-// TO DO 'Hostname request generated correctly'
 // TO DO 'Hostname edit mode'