Re-add custom flash service so engines can extend cluster's template (#19963)

* Revert "UI: Remove custom service (#19925)"

This reverts commit b04751d22437b06947a84148c499c4728602b5e1.

* replace stickyInfo with options info

* revert replacing custom stickyInfo

* change flash message name to be consistent throughout application

* make service imports consistent for k8 engine

* replace stickyInfo with options info

* Revert "change flash message name to be consistent throughout application"

This reverts commit 17de49894de3976ed708fcf15f19f6f1eb1012a5.

* add comment

---------

Co-authored-by: Chelsea Shaw <cshaw@hashicorp.com>

ui/app/app.js

@@ -15,12 +15,12 @@ export default class App extends Application {
   engines = {
     openApiExplorer: {
       dependencies: {
-        services: ['auth', 'namespace', 'router', 'version'],
+        services: ['auth', 'flash-messages', 'namespace', 'router', 'version'],
       },
     },
     replication: {
       dependencies: {
-        services: ['auth', 'namespace', 'replication-mode', 'router', 'store', 'version'],
+        services: ['auth', 'flash-messages', 'namespace', 'replication-mode', 'router', 'store', 'version'],
         externalRoutes: {
           replication: 'vault.cluster.replication.index',
         },
@@ -31,6 +31,7 @@ export default class App extends Application {
         services: [
           'auth',
           'download',
+          'flash-messages',
           'namespace',
           'path-help',
           'router',
@@ -45,7 +46,7 @@ export default class App extends Application {
     },
     kubernetes: {
       dependencies: {
-        services: ['router', 'store', 'secret-mount-path'],
+        services: ['router', 'store', 'secret-mount-path', 'flash-messages'],
         externalRoutes: {
           secrets: 'vault.cluster.secrets.backends',
         },
@@ -56,6 +57,7 @@ export default class App extends Application {
         services: [
           'auth',
           'download',
+          'flash-messages',
           'namespace',
           'path-help',
           'router',

ui/app/services/flash-messages.ts

@@ -0,0 +1,13 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
+import FlashMessages from 'ember-cli-flash/services/flash-messages';
+
+/*
+we extend the ember-cli-flash service here so each ember engine can
+import 'flash-messages' as a dependency giving it access to the 
+<FlashMessage> template in the main app's cluster.hbs file
+*/
+export default class FlashMessageService extends FlashMessages {}

ui/lib/kmip/package.json

@@ -6,7 +6,6 @@
   ],
   "dependencies": {
     "ember-cli-htmlbars": "*",
-    "ember-cli-flash": "*",
     "ember-cli-babel": "*"
   },
   "ember-addon": {

ui/lib/kubernetes/addon/engine.js

@@ -16,7 +16,7 @@ export default class KubernetesEngine extends Engine {
   modulePrefix = modulePrefix;
   Resolver = Resolver;
   dependencies = {
-    services: ['router', 'store', 'secret-mount-path', 'flashMessages'],
+    services: ['router', 'store', 'secret-mount-path', 'flash-messages'],
     externalRoutes: ['secrets'],
   };
 }

ui/lib/kubernetes/package.json

@@ -7,7 +7,6 @@
   "dependencies": {
     "ember-cli-htmlbars": "*",
     "ember-cli-babel": "*",
-    "ember-cli-flash": "*",
     "ember-concurrency": "*",
     "@ember/test-waiters": "*",
     "ember-inflector": "*"

ui/lib/open-api-explorer/package.json

@@ -7,7 +7,6 @@
   "dependencies": {
     "ember-cli-htmlbars": "*",
     "ember-cli-babel": "*",
-    "ember-cli-flash": "*",
     "ember-auto-import": "*",
     "swagger-ui-dist": "*"
   },

ui/lib/pki/addon/components/page/pki-certificate-details.ts

@@ -9,7 +9,7 @@ import { action } from '@ember/object';
 import { task } from 'ember-concurrency';
 import { waitFor } from '@ember/test-waiters';
 import errorMessage from 'vault/utils/error-message';
-import FlashMessageService from 'ember-cli-flash/services/flash-messages';
+import FlashMessageService from 'vault/services/flash-messages';
 import DownloadService from 'vault/services/download';
 import PkiCertificateBaseModel from 'vault/models/pki/certificate/base';
 

ui/lib/pki/addon/components/page/pki-configure-create.ts

@@ -9,7 +9,7 @@ import { tracked } from '@glimmer/tracking';
 // TYPES
 import Store from '@ember-data/store';
 import Router from '@ember/routing/router';
-import FlashMessageService from 'ember-cli-flash/services/flash-messages';
+import FlashMessageService from 'vault/services/flash-messages';
 import PkiActionModel from 'vault/models/pki/action';
 import { Breadcrumb } from 'vault/vault/app-types';
 

ui/lib/pki/addon/components/page/pki-issuer-edit.ts

@@ -11,7 +11,7 @@ import { task } from 'ember-concurrency';
 import { waitFor } from '@ember/test-waiters';
 import errorMessage from 'vault/utils/error-message';
 import RouterService from '@ember/routing/router-service';
-import FlashMessageService from 'ember-cli-flash/services/flash-messages';
+import FlashMessageService from 'vault/services/flash-messages';
 import PkiIssuerModel from 'vault/models/pki/issuer';
 
 interface Args {

ui/lib/pki/addon/components/page/pki-key-details.ts

@@ -6,7 +6,7 @@
 import { action } from '@ember/object';
 import Component from '@glimmer/component';
 import RouterService from '@ember/routing/router-service';
-import FlashMessageService from 'ember-cli-flash/services/flash-messages';
+import FlashMessageService from 'vault/services/flash-messages';
 import { inject as service } from '@ember/service';
 import errorMessage from 'vault/utils/error-message';
 import PkiKeyModel from 'vault/models/pki/key';

ui/lib/pki/addon/components/page/pki-role-details.ts

@@ -6,7 +6,7 @@
 import { action } from '@ember/object';
 import RouterService from '@ember/routing/router-service';
 import Component from '@glimmer/component';
-import FlashMessageService from 'ember-cli-flash/services/flash-messages';
+import FlashMessageService from 'vault/services/flash-messages';
 import SecretMountPath from 'vault/services/secret-mount-path';
 import { inject as service } from '@ember/service';
 import errorMessage from 'vault/utils/error-message';

ui/lib/pki/addon/components/pki-generate-csr.ts

@@ -10,7 +10,7 @@ import { action } from '@ember/object';
 import { task } from 'ember-concurrency';
 import { waitFor } from '@ember/test-waiters';
 import { expandAttributeMeta } from 'vault/utils/field-to-attrs';
-import FlashMessageService from 'ember-cli-flash/services/flash-messages';
+import FlashMessageService from 'vault/services/flash-messages';
 import PkiActionModel from 'vault/models/pki/action';
 import errorMessage from 'vault/utils/error-message';
 

ui/lib/pki/addon/components/pki-generate-root.ts

@@ -12,7 +12,7 @@ import { tracked } from '@glimmer/tracking';
 import { task } from 'ember-concurrency';
 import PkiActionModel from 'vault/models/pki/action';
 import PkiUrlsModel from 'vault/models/pki/urls';
-import FlashMessageService from 'ember-cli-flash/services/flash-messages';
+import FlashMessageService from 'vault/services/flash-messages';
 import errorMessage from 'vault/utils/error-message';
 import { parsedParameters } from 'vault/utils/parse-pki-cert-oids';
 

ui/lib/pki/addon/components/pki-import-pem-bundle.ts

@@ -5,7 +5,7 @@
 
 import { action } from '@ember/object';
 import Component from '@glimmer/component';
-import FlashMessageService from 'ember-cli-flash/services/flash-messages';
+import FlashMessageService from 'vault/services/flash-messages';
 import { inject as service } from '@ember/service';
 import { task } from 'ember-concurrency';
 import { tracked } from '@glimmer/tracking';

ui/lib/pki/addon/components/pki-role-generate.ts

@@ -11,7 +11,7 @@ import Router from '@ember/routing/router';
 import Store from '@ember-data/store';
 import { tracked } from '@glimmer/tracking';
 import errorMessage from 'vault/utils/error-message';
-import FlashMessageService from 'ember-cli-flash/services/flash-messages';
+import FlashMessageService from 'vault/services/flash-messages';
 import DownloadService from 'vault/services/download';
 import PkiCertificateGenerateModel from 'vault/models/pki/certificate/generate';
 import PkiCertificateSignModel from 'vault/models/pki/certificate/sign';

ui/lib/pki/addon/components/pki-sign-intermediate-form.ts

@@ -10,7 +10,7 @@ import Component from '@glimmer/component';
 import { tracked } from '@glimmer/tracking';
 import { task } from 'ember-concurrency';
 import PkiCertificateSignIntermediate from 'vault/models/pki/certificate/sign-intermediate';
-import FlashMessageService from 'ember-cli-flash/services/flash-messages';
+import FlashMessageService from 'vault/services/flash-messages';
 import errorMessage from 'vault/utils/error-message';
 
 interface Args {

ui/lib/pki/package.json

@@ -7,7 +7,6 @@
   "dependencies": {
     "ember-cli-babel": "*",
     "ember-cli-htmlbars": "*",
-    "ember-cli-flash": "*",
     "ember-cli-typescript": "*",
     "@types/ember": "latest",
     "@types/ember-data": "latest",

ui/lib/replication/package.json

@@ -6,7 +6,6 @@
   ],
   "dependencies": {
     "ember-cli-htmlbars": "*",
-    "ember-cli-flash": "*",
     "ember-cli-babel": "*"
   },
   "ember-addon": {