Removes unused and renamed deprecated core settings and deprecated settings from core plugins

docs/migration/migrate_8_0.asciidoc

@@ -364,4 +364,34 @@ Configuration management tools and automation will need to be updated to use the
 === `server.xsrf.token` is no longer valid
 *Details:* The deprecated `server.xsrf.token` setting in the `kibana.yml` file has been removed.
 
+[float]
+=== `newsfeed.defaultLanguage` is no longer valid
+*Details:* Specifying a default language to retrieve newsfeed items is no longer supported.
+
+*Impact:* Newsfeed items will be retrieved based on the browser locale and fallback to 'en' if an item does not have a translation for the locale. Configure {kibana-ref}/i18n-settings-kb.html#general-i18n-settings-kb[`i18n.locale`] to override the default behavior. 
+
+[float]
+=== `xpack.banners.placement` has changed value
+*Details:* `xpack.banners.placement: 'header'` setting in `kibana.yml` has changed value.
+
+*Impact:* Use {kibana-ref}/banners-settings-kb.html#banners-settings-kb[`xpack.banners.placement: 'top'`] instead.
+
+[float]
+=== `cpu.cgroup.path.override` is no longer valid
+*Details:* The deprecated `cpu.cgroup.path.override` setting is no longer supported.
+
+*Impact:* Configure {kibana-ref}/settings.html#ops-cGroupOverrides-cpuPath[`ops.cGroupOverrides.cpuPath`] instead.
+
+[float]
+=== `cpuacct.cgroup.path.override` is no longer valid
+*Details:* The deprecated `cpuacct.cgroup.path.override` setting is no longer supported.
+
+*Impact:* Configure {kibana-ref}/settings.html#ops-cGroupOverrides-cpuAcctPath[`ops.cGroupOverrides.cpuAcctPath`] instead.
+
+[float]
+=== `server.xsrf.whitelist` is no longer valid
+*Details:* The deprecated `server.xsrf.whitelist` setting is no longer supported.
+
+*Impact:* Use {kibana-ref}/settings.html#settings-xsrf-allowlist[`server.xsrf.allowlist`] instead.
+
 // end::notable-breaking-changes[]

docs/setup/settings.asciidoc

@@ -26,16 +26,6 @@ Toggling this causes the server to regenerate assets on the next startup,
 which may cause a delay before pages start being served.
 Set to `false` to disable Console. *Default: `true`*
 
-| `cpu.cgroup.path.override:`
- | deprecated:[7.10.0,"In 8.0 and later, this setting will no longer be supported."]
- This setting has been renamed to
- <<ops-cGroupOverrides-cpuPath,`ops.cGroupOverrides.cpuPath`>>.
-
-| `cpuacct.cgroup.path.override:`
- | deprecated:[7.10.0,"In 8.0 and later, this setting will no longer be supported."]
- This setting has been renamed to
- <<ops-cGroupOverrides-cpuAcctPath, `ops.cGroupOverrides.cpuAcctPath`>>.
-
 | `csp.rules:`
  | deprecated:[7.14.0,"In 8.0 and later, this setting will no longer be supported."]
 A https://w3c.github.io/webappsec-csp/[Content Security Policy] template

packages/kbn-utils/src/path/index.ts

@@ -15,14 +15,12 @@ const isString = (v: any): v is string => typeof v === 'string';
 
 const CONFIG_PATHS = [
   process.env.KBN_PATH_CONF && join(process.env.KBN_PATH_CONF, 'kibana.yml'),
-  process.env.KIBANA_PATH_CONF && join(process.env.KIBANA_PATH_CONF, 'kibana.yml'), // deprecated
   join(REPO_ROOT, 'config/kibana.yml'),
   '/etc/kibana/kibana.yml',
 ].filter(isString);
 
 const CONFIG_DIRECTORIES = [
   process.env.KBN_PATH_CONF,
-  process.env.KIBANA_PATH_CONF, // deprecated
   join(REPO_ROOT, 'config'),
   '/etc/kibana',
 ].filter(isString);

src/core/server/config/deprecation/core_deprecations.test.ts

@@ -18,55 +18,30 @@ describe('core deprecations', () => {
     process.env = { ...initialEnv };
   });
 
-  describe('kibanaPathConf', () => {
-    it('logs a warning if KIBANA_PATH_CONF environ variable is set', () => {
-      process.env.KIBANA_PATH_CONF = 'somepath';
-      const { messages } = applyCoreDeprecations();
-      expect(messages).toMatchInlineSnapshot(`
-        Array [
-          "Environment variable \\"KIBANA_PATH_CONF\\" is deprecated. It has been replaced with \\"KBN_PATH_CONF\\" pointing to a config folder",
-        ]
-      `);
-    });
-
-    it('does not log a warning if KIBANA_PATH_CONF environ variable is unset', () => {
-      delete process.env.KIBANA_PATH_CONF;
-      const { messages } = applyCoreDeprecations();
-      expect(messages).toHaveLength(0);
-    });
-  });
-
-  describe('xsrfDeprecation', () => {
-    it('logs a warning if server.xsrf.whitelist is set', () => {
-      const { migrated, messages } = applyCoreDeprecations({
-        server: { xsrf: { whitelist: ['/path'] } },
-      });
-      expect(migrated.server.xsrf.allowlist).toEqual(['/path']);
-      expect(messages).toMatchInlineSnapshot(`
-        Array [
-          "Setting \\"server.xsrf.whitelist\\" has been replaced by \\"server.xsrf.allowlist\\"",
-        ]
-      `);
-    });
-  });
-
   describe('server.cors', () => {
     it('renames server.cors to server.cors.enabled', () => {
       const { migrated } = applyCoreDeprecations({
         server: { cors: true },
       });
       expect(migrated.server.cors).toEqual({ enabled: true });
     });
+
     it('logs a warning message about server.cors renaming', () => {
-      const { messages } = applyCoreDeprecations({
+      const { messages, levels } = applyCoreDeprecations({
         server: { cors: true },
       });
       expect(messages).toMatchInlineSnapshot(`
         Array [
           "\\"server.cors\\" is deprecated and has been replaced by \\"server.cors.enabled\\"",
         ]
       `);
+      expect(levels).toMatchInlineSnapshot(`
+        Array [
+          "warning",
+        ]
+      `);
     });
+
     it('does not log deprecation message when server.cors.enabled set', () => {
       const { migrated, messages } = applyCoreDeprecations({
         server: { cors: { enabled: true } },

src/core/server/config/deprecation/core_deprecations.ts

@@ -8,19 +8,6 @@
 
 import { ConfigDeprecationProvider, ConfigDeprecation } from '@kbn/config';
 
-const kibanaPathConf: ConfigDeprecation = (settings, fromPath, addDeprecation) => {
-  if (process.env?.KIBANA_PATH_CONF) {
-    addDeprecation({
-      message: `Environment variable "KIBANA_PATH_CONF" is deprecated. It has been replaced with "KBN_PATH_CONF" pointing to a config folder`,
-      correctiveActions: {
-        manualSteps: [
-          'Use "KBN_PATH_CONF" instead of "KIBANA_PATH_CONF" to point to a config folder.',
-        ],
-      },
-    });
-  }
-};
-
 const rewriteBasePathDeprecation: ConfigDeprecation = (settings, fromPath, addDeprecation) => {
   if (settings.server?.basePath && !settings.server?.rewriteBasePath) {
     addDeprecation({
@@ -44,6 +31,7 @@ const rewriteCorsSettings: ConfigDeprecation = (settings, fromPath, addDeprecati
   if (typeof corsSettings === 'boolean') {
     addDeprecation({
       message: '"server.cors" is deprecated and has been replaced by "server.cors.enabled"',
+      level: 'warning',
       correctiveActions: {
         manualSteps: [
           `Replace "server.cors: ${corsSettings}" with "server.cors.enabled: ${corsSettings}"`,
@@ -353,11 +341,7 @@ const logFilterDeprecation: ConfigDeprecation = (settings, fromPath, addDeprecat
 };
 
 export const coreDeprecationProvider: ConfigDeprecationProvider = ({ rename, unusedFromRoot }) => [
-  rename('cpu.cgroup.path.override', 'ops.cGroupOverrides.cpuPath'),
-  rename('cpuacct.cgroup.path.override', 'ops.cGroupOverrides.cpuAcctPath'),
-  rename('server.xsrf.whitelist', 'server.xsrf.allowlist'),
   rewriteCorsSettings,
-  kibanaPathConf,
   rewriteBasePathDeprecation,
   cspRulesDeprecation,
   opsLoggingEventDeprecation,

src/core/server/config/test_utils.ts

@@ -16,18 +16,22 @@ function collectDeprecations(
 ) {
   const deprecations = provider(configDeprecationFactory);
   const deprecationMessages: string[] = [];
+  const deprecationLevels: string[] = [];
   const { config: migrated } = applyDeprecations(
     settings,
     deprecations.map((deprecation) => ({
       deprecation,
       path,
     })),
     () =>
-      ({ message }) =>
-        deprecationMessages.push(message)
+      ({ message, level }) => {
+        deprecationMessages.push(message);
+        deprecationLevels.push(level ?? '');
+      }
   );
   return {
     messages: deprecationMessages,
+    levels: deprecationLevels,
     migrated,
   };
 }

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

@@ -26,8 +26,6 @@ kibana_vars=(
     console.enabled
     console.proxyConfig
     console.proxyFilter
-    cpu.cgroup.path.override
-    cpuacct.cgroup.path.override
     csp.rules
     csp.strict
     csp.warnLegacyBrowsers
@@ -186,7 +184,6 @@ kibana_vars=(
     server.uuid
     server.xsrf.allowlist
     server.xsrf.disableProtection
-    server.xsrf.whitelist
     status.allowAnonymous
     status.v6ApiFormat
     telemetry.allowChangingOptInStatus
@@ -437,7 +434,7 @@ umask 0002
 # paths. Therefore, Kibana provides a mechanism to override
 # reading the cgroup path from /proc/self/cgroup and instead uses the
 # cgroup path defined the configuration properties
-# cpu.cgroup.path.override and cpuacct.cgroup.path.override.
+# ops.cGroupOverrides.cpuPath and ops.cGroupOverrides.cpuAcctPath.
 # Therefore, we set this value here so that cgroup statistics are
 # available for the container this process will run in.
 

src/plugins/home/server/index.ts

@@ -18,9 +18,6 @@ export const config: PluginConfigDescriptor<ConfigSchema> = {
     disableWelcomeScreen: true,
   },
   schema: configSchema,
-  deprecations: ({ renameFromRoot }) => [
-    renameFromRoot('kibana.disableWelcomeScreen', 'home.disableWelcomeScreen'),
-  ],
 };
 
 export const plugin = (initContext: PluginInitializerContext) => new HomeServerPlugin(initContext);

src/plugins/newsfeed/server/config.ts

@@ -11,7 +11,6 @@ import {
   NEWSFEED_DEFAULT_SERVICE_PATH,
   NEWSFEED_DEFAULT_SERVICE_BASE_URL,
   NEWSFEED_DEV_SERVICE_BASE_URL,
-  NEWSFEED_FALLBACK_LANGUAGE,
 } from '../common/constants';
 
 export const configSchema = schema.object({
@@ -25,7 +24,6 @@ export const configSchema = schema.object({
       schema.string({ defaultValue: NEWSFEED_DEV_SERVICE_BASE_URL })
     ),
   }),
-  defaultLanguage: schema.string({ defaultValue: NEWSFEED_FALLBACK_LANGUAGE }), // TODO: Deprecate since no longer used
   mainInterval: schema.duration({ defaultValue: '2m' }), // (2min) How often to retry failed fetches, and/or check if newsfeed items need to be refreshed from remote
   fetchInterval: schema.duration({ defaultValue: '1d' }), // (1day) How often to fetch remote and reset the last fetched time
 });

src/plugins/newsfeed/server/index.ts

@@ -17,7 +17,6 @@ export const config: PluginConfigDescriptor<NewsfeedConfigType> = {
     mainInterval: true,
     fetchInterval: true,
   },
-  deprecations: ({ unused }) => [unused('defaultLanguage')],
 };
 
 export function plugin() {

src/plugins/usage_collection/server/config.ts

@@ -29,12 +29,6 @@ export type ConfigType = TypeOf<typeof configSchema>;
 
 export const config: PluginConfigDescriptor<ConfigType> = {
   schema: configSchema,
-  deprecations: ({ renameFromRoot }) => [
-    renameFromRoot('ui_metric.enabled', 'usageCollection.uiCounters.enabled'),
-    renameFromRoot('ui_metric.debug', 'usageCollection.uiCounters.debug'),
-    renameFromRoot('usageCollection.uiMetric.enabled', 'usageCollection.uiCounters.enabled'),
-    renameFromRoot('usageCollection.uiMetric.debug', 'usageCollection.uiCounters.debug'),
-  ],
   exposeToBrowser: {
     uiCounters: true,
   },

x-pack/plugins/banners/server/config.ts

@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import { get } from 'lodash';
+// import { get } from 'lodash';
 import { schema, TypeOf } from '@kbn/config-schema';
 import { PluginConfigDescriptor } from 'kibana/server';
 import { isHexColor } from './utils';
@@ -39,23 +39,4 @@ export type BannersConfigType = TypeOf<typeof configSchema>;
 export const config: PluginConfigDescriptor<BannersConfigType> = {
   schema: configSchema,
   exposeToBrowser: {},
-  deprecations: () => [
-    (rootConfig, fromPath, addDeprecation) => {
-      const pluginConfig = get(rootConfig, fromPath);
-      if (pluginConfig?.placement === 'header') {
-        addDeprecation({
-          message: 'The `header` value for xpack.banners.placement has been replaced by `top`',
-          correctiveActions: {
-            manualSteps: [
-              `Remove "xpack.banners.placement: header" from your kibana configs.`,
-              `Add "xpack.banners.placement: to" to your kibana configs instead.`,
-            ],
-          },
-        });
-        return {
-          set: [{ path: `${fromPath}.placement`, value: 'top' }],
-        };
-      }
-    },
-  ],
 };

x-pack/plugins/licensing/README.md

@@ -126,6 +126,7 @@ This change makes NP & LP licensing service not compatible. We have to keep both
 **LP**: `xpack.xpack_main.xpack_api_polling_frequency_millis`
 **NP**: `xpack.licensing.api_polling_frequency`
 
+Support for deprecated `xpack.xpack_main.xpack_api_polling_frequency_millis` is removed in v8.0.0. See https://github.com/elastic/kibana/issues/103915 for more details.
 #### License
 **NP**: `mode` field is provided, but deprecated.
 

x-pack/plugins/licensing/server/licensing_config.ts

@@ -18,10 +18,4 @@ export const config: PluginConfigDescriptor<LicenseConfigType> = {
   schema: schema.object({
     api_polling_frequency: schema.duration({ defaultValue: '30s' }),
   }),
-  deprecations: ({ renameFromRoot }) => [
-    renameFromRoot(
-      'xpack.xpack_main.xpack_api_polling_frequency_millis',
-      'xpack.licensing.api_polling_frequency'
-    ),
-  ],
 };

x-pack/test/banners_functional/config.ts

@@ -32,7 +32,7 @@ export default async function ({ readConfigFile }: FtrConfigProviderContext) {
       ...kibanaFunctionalConfig.get('kbnTestServer'),
       serverArgs: [
         ...kibanaFunctionalConfig.get('kbnTestServer.serverArgs'),
-        '--xpack.banners.placement=header',
+        '--xpack.banners.placement=top',
         '--xpack.banners.textContent="global banner text"',
       ],
     },

x-pack/test/case_api_integration/common/config.ts

@@ -140,7 +140,7 @@ export function createTestConfig(name: string, options: CreateTestConfigOptions)
             (pluginDir) =>
               `--plugin-path=${path.resolve(__dirname, 'fixtures', 'plugins', pluginDir)}`
           ),
-          `--server.xsrf.whitelist=${JSON.stringify(getAllExternalServiceSimulatorPaths())}`,
+          `--server.xsrf.allowlist=${JSON.stringify(getAllExternalServiceSimulatorPaths())}`,
           ...(ssl
             ? [
                 `--elasticsearch.hosts=${servers.elasticsearch.protocol}://${servers.elasticsearch.hostname}:${servers.elasticsearch.port}`,

x-pack/test/rule_registry/common/config.ts

@@ -83,7 +83,7 @@ export function createTestConfig(name: string, options: CreateTestConfigOptions)
           // TO DO: Remove feature flags once we're good to go
           '--xpack.securitySolution.enableExperimental=["ruleRegistryEnabled"]',
           '--xpack.ruleRegistry.write.enabled=true',
-          `--server.xsrf.whitelist=${JSON.stringify(getAllExternalServiceSimulatorPaths())}`,
+          `--server.xsrf.allowlist=${JSON.stringify(getAllExternalServiceSimulatorPaths())}`,
           ...(ssl
             ? [
                 `--elasticsearch.hosts=${servers.elasticsearch.protocol}://${servers.elasticsearch.hostname}:${servers.elasticsearch.port}`,

x-pack/test/timeline/common/config.ts

@@ -83,7 +83,7 @@ export function createTestConfig(name: string, options: CreateTestConfigOptions)
           // TO DO: Remove feature flags once we're good to go
           '--xpack.securitySolution.enableExperimental=["ruleRegistryEnabled"]',
           '--xpack.ruleRegistry.write.enabled=true',
-          `--server.xsrf.whitelist=${JSON.stringify(getAllExternalServiceSimulatorPaths())}`,
+          `--server.xsrf.allowlist=${JSON.stringify(getAllExternalServiceSimulatorPaths())}`,
           ...(ssl
             ? [
                 `--elasticsearch.hosts=${servers.elasticsearch.protocol}://${servers.elasticsearch.hostname}:${servers.elasticsearch.port}`,