[Reporting] Breaking: Remove setting for Reporting index (#113803)

docs/settings/reporting-settings.asciidoc

@@ -11,7 +11,6 @@ You can configure `xpack.reporting` settings in your `kibana.yml` to:
 
 * <<general-reporting-settings,Enable the {report-features}>>
 * <<encryption-keys,Configure the encryption key>>
-* <<report-indices,Configure the reporting index>>
 * <<reporting-kibana-server-settings,Control how the {report-features} communicate with the {kib} server>>
 * <<reporting-job-queue-settings,Manage background jobs>>
 * <<reporting-capture-settings,Capture screenshots>>
@@ -47,33 +46,6 @@ The static encryption key for reporting. Use an alphanumeric text string that is
 xpack.reporting.encryptionKey: "something_secret"
 --------------------------------------------------------------------------------
 
-[float]
-[[report-indices]]
-==== Reporting index setting
-
-
-
-`xpack.reporting.index`::
-deprecated:[7.11.0,This setting will be removed in 8.0.0.] Multitenancy by changing `kibana.index` is unsupported starting in 8.0.0. For more details, refer to https://ela.st/kbn-remove-legacy-multitenancy[8.0 Breaking Changes]. When you divide workspaces in an Elastic cluster using multiple {kib} instances with a different `kibana.index` setting per instance, you must set a unique `xpack.reporting.index` setting per `kibana.index`. Otherwise, report generation periodically fails if a report is queued through an instance with one `kibana.index` setting, and an instance with a different `kibana.index` attempts to claim the job. Reporting uses a weekly index in {es} to store the reporting job and the report content. The index is automatically created if it does not already exist. Configure a unique value for `xpack.reporting.index`, beginning with `.reporting-`, for every {kib} instance that has a unique <<kibana-index, `kibana.index`>> setting. Defaults to `.reporting`.
-
-{kib} instance A:
-[source,yaml]
---------------------------------------------------------------------------------
-kibana.index: ".kibana-a"
-xpack.reporting.index: ".reporting-a"
-xpack.reporting.encryptionKey: "something_secret"
---------------------------------------------------------------------------------
-
-{kib} instance B:
-[source,yaml]
---------------------------------------------------------------------------------
-kibana.index: ".kibana-b"
-xpack.reporting.index: ".reporting-b"
-xpack.reporting.encryptionKey: "something_secret"
---------------------------------------------------------------------------------
-
-NOTE: If security is enabled, the `xpack.reporting.index` setting should begin with `.reporting-` for the `kibana_system` role to have the necessary privileges over the index.
-
 [float]
 [[reporting-kibana-server-settings]]
 ==== {kib} server settings

docs/setup/configuring-reporting.asciidoc

@@ -148,56 +148,6 @@ reporting_user:
   - "cn=Bill Murray,dc=example,dc=com"
 --------------------------------------------------------------------------------
 
-[float]
-==== Grant access with a custom index
-
-If you are using a custom index, the `xpack.reporting.index` setting must begin with `.reporting-*`. The default {kib} system user has `all` privileges against the `.reporting-*` pattern of indices.
-
-If you use a different pattern for the `xpack.reporting.index` setting, you must create a custom `kibana_system` user with appropriate access to the index.
-
-NOTE: In the next major version of Kibana, granting access with a custom index is unsupported.
-
-. Create the reporting role. 
-
-.. Open the main menu, then click *Stack Management*.
-
-.. Click *Roles > Create role*.
-
-. Specify the role settings.
-
-.. Enter the *Role name*. For example, `custom-reporting-user`.
-
-.. From the *Indices* dropdown, select the custom index. 
-
-.. From the *Privileges* dropdown, select *all*.
-
-.. Click *Add Kibana privilege*.
-
-.. Select one or more *Spaces* that you want to grant reporting privileges to.
-
-.. Click *Customize*, then click *Analytics*.
-
-.. Next to each application you want to grant reporting privileges to, click *All*.
-
-.. Click *Add {kib} privilege*, then click *Create role*.
-
-. Assign the reporting role to a user.
-
-.. Open the main menu, then click *Stack Management*.
-
-.. Click *Users*, then click the user you want to assign the reporting role to. 
-
-.. From the *Roles* dropdown, select *kibana_system* and *custom-reporting-user*.
-
-.. Click *Update user*.
-
-. Configure {kib} to use the new account.
-+
-[source,js]
---------------------------------------------------------------------------------
-elasticsearch.username: 'custom_kibana_system'
---------------------------------------------------------------------------------
-
 [float]
 [[securing-reporting]]
 === Secure the reporting endpoints

src/dev/build/tasks/os_packages/docker_generator/resources/base/bin/kibana-docker

@@ -319,7 +319,6 @@ kibana_vars=(
     xpack.reporting.csv.useByteOrderMarkEncoding
     xpack.reporting.enabled
     xpack.reporting.encryptionKey
-    xpack.reporting.index
     xpack.reporting.kibanaApp
     xpack.reporting.kibanaServer.hostname
     xpack.reporting.kibanaServer.port

x-pack/plugins/reporting/common/constants.ts

@@ -7,6 +7,8 @@
 
 export const PLUGIN_ID = 'reporting';
 
+export const REPORTING_SYSTEM_INDEX = '.reporting';
+
 export const JOB_COMPLETION_NOTIFICATIONS_SESSION_KEY =
   'xpack.reporting.jobCompletionNotifications';
 

x-pack/plugins/reporting/server/config/schema.test.ts

@@ -84,7 +84,6 @@ describe('Reporting Config Schema', () => {
         },
         "enabled": true,
         "encryptionKey": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
-        "index": ".reporting",
         "kibanaServer": Object {},
         "poll": Object {
           "jobCompletionNotifier": Object {
@@ -189,7 +188,6 @@ describe('Reporting Config Schema', () => {
           "useByteOrderMarkEncoding": false,
         },
         "enabled": true,
-        "index": ".reporting",
         "kibanaServer": Object {},
         "poll": Object {
           "jobCompletionNotifier": Object {

x-pack/plugins/reporting/server/config/schema.ts

@@ -155,8 +155,6 @@ const RolesSchema = schema.object({
   allow: schema.arrayOf(schema.string(), { defaultValue: ['reporting_user'] }),
 });
 
-const IndexSchema = schema.string({ defaultValue: '.reporting' });
-
 // Browser side polling: job completion notifier, management table auto-refresh
 // NOTE: can not use schema.duration, a bug prevents it being passed to the browser correctly
 const PollSchema = schema.object({
@@ -178,7 +176,6 @@ export const ConfigSchema = schema.object({
   csv: CsvSchema,
   encryptionKey: EncryptionKeySchema,
   roles: RolesSchema,
-  index: IndexSchema,
   poll: PollSchema,
 });
 

x-pack/plugins/reporting/server/export_types/csv/execute_job.test.ts

@@ -77,7 +77,6 @@ describe('CSV Execute Job', function () {
     stream = { write: jest.fn((chunk) => (content += chunk)) } as unknown as typeof stream;
     configGetStub = sinon.stub();
     configGetStub.withArgs('queue', 'timeout').returns(moment.duration('2m'));
-    configGetStub.withArgs('index').returns('.reporting-foo-test');
     configGetStub.withArgs('encryptionKey').returns(encryptionKey);
     configGetStub.withArgs('csv', 'maxSizeBytes').returns(1024 * 1000); // 1mB
     configGetStub.withArgs('csv', 'scroll').returns({});

x-pack/plugins/reporting/server/lib/store/store.ts

@@ -9,7 +9,7 @@ import { IndexResponse, UpdateResponse } from '@elastic/elasticsearch/api/types'
 import { ElasticsearchClient } from 'src/core/server';
 import { LevelLogger, statuses } from '../';
 import { ReportingCore } from '../../';
-import { ILM_POLICY_NAME } from '../../../common/constants';
+import { ILM_POLICY_NAME, REPORTING_SYSTEM_INDEX } from '../../../common/constants';
 import { JobStatus, ReportOutput, ReportSource } from '../../../common/types';
 import { ReportTaskParams } from '../tasks';
 import { Report, ReportDocument, SavedReport } from './';
@@ -87,7 +87,7 @@ export class ReportingStore {
   constructor(private reportingCore: ReportingCore, private logger: LevelLogger) {
     const config = reportingCore.getConfig();
 
-    this.indexPrefix = config.get('index');
+    this.indexPrefix = REPORTING_SYSTEM_INDEX;
     this.indexInterval = config.get('queue', 'indexInterval');
     this.logger = logger.clone(['store']);
   }

x-pack/plugins/reporting/server/routes/lib/jobs_query.ts

@@ -13,6 +13,7 @@ import { UnwrapPromise } from '@kbn/utility-types';
 import { ElasticsearchClient } from 'src/core/server';
 import { PromiseType } from 'utility-types';
 import { ReportingCore } from '../../';
+import { REPORTING_SYSTEM_INDEX } from '../../../common/constants';
 import { ReportApiJSON, ReportSource } from '../../../common/types';
 import { statuses } from '../../lib/statuses';
 import { Report } from '../../lib/store';
@@ -54,9 +55,7 @@ interface JobsQueryFactory {
 
 export function jobsQueryFactory(reportingCore: ReportingCore): JobsQueryFactory {
   function getIndex() {
-    const config = reportingCore.getConfig();
-
-    return `${config.get('index')}-*`;
+    return `${REPORTING_SYSTEM_INDEX}-*`;
   }
 
   async function execQuery<

x-pack/plugins/reporting/server/usage/get_reporting_usage.ts

@@ -8,6 +8,7 @@ import type { estypes } from '@elastic/elasticsearch';
 import type { ElasticsearchClient } from 'kibana/server';
 import { get } from 'lodash';
 import type { ReportingConfig } from '../';
+import { REPORTING_SYSTEM_INDEX } from '../../common/constants';
 import type { ExportTypesRegistry } from '../lib/export_types_registry';
 import type { GetLicense } from './';
 import { getExportStats } from './get_export_stats';
@@ -144,7 +145,7 @@ export async function getReportingUsage(
   esClient: ElasticsearchClient,
   exportTypesRegistry: ExportTypesRegistry
 ): Promise<ReportingUsageType> {
-  const reportingIndex = config.get('index');
+  const reportingIndex = REPORTING_SYSTEM_INDEX;
   const params = {
     index: `${reportingIndex}-*`,
     filterPath: 'aggregations.*.buckets',