[console] Deprecate "proxyFilter" and "proxyConfig" on 8.x (#113555)

src/plugins/console/common/constants/index.ts

@@ -0,0 +1,9 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+export { MAJOR_VERSION } from './plugin';

src/plugins/console/common/constants/plugin.ts

@@ -0,0 +1,9 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+export const MAJOR_VERSION = '8.0.0';

src/plugins/console/kibana.json

@@ -1,12 +1,14 @@
 {
   "id": "console",
-  "version": "kibana",
+  "version": "8.0.0",
+  "kibanaVersion": "kibana",
   "server": true,
   "ui": true,
   "owner": {
     "name": "Stack Management",
     "githubTeam": "kibana-stack-management"
   },
+  "configPath": ["console"],
   "requiredPlugins": ["devTools", "share"],
   "optionalPlugins": ["usageCollection", "home"],
   "requiredBundles": ["esUiShared", "kibanaReact", "kibanaUtils", "home"]

src/plugins/console/server/config.ts

@@ -6,37 +6,70 @@
  * Side Public License, v 1.
  */
 
+import { SemVer } from 'semver';
 import { schema, TypeOf } from '@kbn/config-schema';
+import { PluginConfigDescriptor } from 'kibana/server';
 
-export type ConfigType = TypeOf<typeof config>;
+import { MAJOR_VERSION } from '../common/constants';
 
-export const config = schema.object(
-  {
-    enabled: schema.boolean({ defaultValue: true }),
-    proxyFilter: schema.arrayOf(schema.string(), { defaultValue: ['.*'] }),
-    ssl: schema.object({ verify: schema.boolean({ defaultValue: false }) }, {}),
-    proxyConfig: schema.arrayOf(
-      schema.object({
-        match: schema.object({
-          protocol: schema.string({ defaultValue: '*' }),
-          host: schema.string({ defaultValue: '*' }),
-          port: schema.string({ defaultValue: '*' }),
-          path: schema.string({ defaultValue: '*' }),
-        }),
-
-        timeout: schema.number(),
-        ssl: schema.object(
-          {
-            verify: schema.boolean(),
-            ca: schema.arrayOf(schema.string()),
-            cert: schema.string(),
-            key: schema.string(),
-          },
-          { defaultValue: undefined }
-        ),
+const kibanaVersion = new SemVer(MAJOR_VERSION);
+
+const baseSettings = {
+  enabled: schema.boolean({ defaultValue: true }),
+  ssl: schema.object({ verify: schema.boolean({ defaultValue: false }) }, {}),
+};
+
+// Settings only available in 7.x
+const deprecatedSettings = {
+  proxyFilter: schema.arrayOf(schema.string(), { defaultValue: ['.*'] }),
+  proxyConfig: schema.arrayOf(
+    schema.object({
+      match: schema.object({
+        protocol: schema.string({ defaultValue: '*' }),
+        host: schema.string({ defaultValue: '*' }),
+        port: schema.string({ defaultValue: '*' }),
+        path: schema.string({ defaultValue: '*' }),
       }),
-      { defaultValue: [] }
-    ),
+
+      timeout: schema.number(),
+      ssl: schema.object(
+        {
+          verify: schema.boolean(),
+          ca: schema.arrayOf(schema.string()),
+          cert: schema.string(),
+          key: schema.string(),
+        },
+        { defaultValue: undefined }
+      ),
+    }),
+    { defaultValue: [] }
+  ),
+};
+
+const configSchema = schema.object(
+  {
+    ...baseSettings,
   },
   { defaultValue: undefined }
 );
+
+const configSchema7x = schema.object(
+  {
+    ...baseSettings,
+    ...deprecatedSettings,
+  },
+  { defaultValue: undefined }
+);
+
+export type ConfigType = TypeOf<typeof configSchema>;
+export type ConfigType7x = TypeOf<typeof configSchema7x>;
+
+export const config: PluginConfigDescriptor<ConfigType | ConfigType7x> = {
+  schema: kibanaVersion.major < 8 ? configSchema7x : configSchema,
+  deprecations: ({ deprecate, unused }) => [
+    deprecate('enabled', '8.0.0'),
+    deprecate('proxyFilter', '8.0.0'),
+    deprecate('proxyConfig', '8.0.0'),
+    unused('ssl'),
+  ],
+};

src/plugins/console/server/index.ts

@@ -6,16 +6,11 @@
  * Side Public License, v 1.
  */
 
-import { PluginConfigDescriptor, PluginInitializerContext } from 'kibana/server';
+import { PluginInitializerContext } from 'kibana/server';
 
-import { ConfigType, config as configSchema } from './config';
 import { ConsoleServerPlugin } from './plugin';
 
 export { ConsoleSetup, ConsoleStart } from './types';
+export { config } from './config';
 
 export const plugin = (ctx: PluginInitializerContext) => new ConsoleServerPlugin(ctx);
-
-export const config: PluginConfigDescriptor<ConfigType> = {
-  deprecations: ({ deprecate, unused, rename }) => [deprecate('enabled', '8.0.0'), unused('ssl')],
-  schema: configSchema,
-};

src/plugins/console/server/plugin.ts

@@ -7,10 +7,11 @@
  */
 
 import { CoreSetup, Logger, Plugin, PluginInitializerContext } from 'kibana/server';
+import { SemVer } from 'semver';
 
 import { ProxyConfigCollection } from './lib';
 import { SpecDefinitionsService, EsLegacyConfigService } from './services';
-import { ConfigType } from './config';
+import { ConfigType, ConfigType7x } from './config';
 
 import { registerRoutes } from './routes';
 
@@ -23,7 +24,7 @@ export class ConsoleServerPlugin implements Plugin<ConsoleSetup, ConsoleStart> {
 
   esLegacyConfigService = new EsLegacyConfigService();
 
-  constructor(private readonly ctx: PluginInitializerContext<ConfigType>) {
+  constructor(private readonly ctx: PluginInitializerContext<ConfigType | ConfigType7x>) {
     this.log = this.ctx.logger.get();
   }
 
@@ -34,10 +35,17 @@ export class ConsoleServerPlugin implements Plugin<ConsoleSetup, ConsoleStart> {
         save: true,
       },
     }));
-
+    const kibanaVersion = new SemVer(this.ctx.env.packageInfo.version);
     const config = this.ctx.config.get();
     const globalConfig = this.ctx.config.legacy.get();
-    const proxyPathFilters = config.proxyFilter.map((str: string) => new RegExp(str));
+
+    let pathFilters: RegExp[] | undefined;
+    let proxyConfigCollection: ProxyConfigCollection | undefined;
+    if (kibanaVersion.major < 8) {
+      // "pathFilters" and "proxyConfig" are only used in 7.x
+      pathFilters = (config as ConfigType7x).proxyFilter.map((str: string) => new RegExp(str));
+      proxyConfigCollection = new ProxyConfigCollection((config as ConfigType7x).proxyConfig);
+    }
 
     this.esLegacyConfigService.setup(elasticsearch.legacy.config$);
 
@@ -51,16 +59,18 @@ export class ConsoleServerPlugin implements Plugin<ConsoleSetup, ConsoleStart> {
         specDefinitionService: this.specDefinitionsService,
       },
       proxy: {
-        proxyConfigCollection: new ProxyConfigCollection(config.proxyConfig),
         readLegacyESConfig: async (): Promise<ESConfigForProxy> => {
           const legacyConfig = await this.esLegacyConfigService.readConfig();
           return {
             ...globalConfig.elasticsearch,
             ...legacyConfig,
           };
         },
-        pathFilters: proxyPathFilters,
+        // Deprecated settings (only used in 7.x):
+        proxyConfigCollection,
+        pathFilters,
       },
+      kibanaVersion,
     });
 
     return {

src/plugins/console/server/routes/api/console/proxy/create_handler.ts

@@ -9,6 +9,7 @@
 import { Agent, IncomingMessage } from 'http';
 import * as url from 'url';
 import { pick, trimStart, trimEnd } from 'lodash';
+import { SemVer } from 'semver';
 
 import { KibanaRequest, RequestHandler } from 'kibana/server';
 
@@ -58,17 +59,22 @@ function filterHeaders(originalHeaders: object, headersToKeep: string[]): object
 function getRequestConfig(
   headers: object,
   esConfig: ESConfigForProxy,
-  proxyConfigCollection: ProxyConfigCollection,
-  uri: string
+  uri: string,
+  kibanaVersion: SemVer,
+  proxyConfigCollection?: ProxyConfigCollection
 ): { agent: Agent; timeout: number; headers: object; rejectUnauthorized?: boolean } {
   const filteredHeaders = filterHeaders(headers, esConfig.requestHeadersWhitelist);
   const newHeaders = setHeaders(filteredHeaders, esConfig.customHeaders);
 
-  if (proxyConfigCollection.hasConfig()) {
-    return {
-      ...proxyConfigCollection.configForUri(uri),
-      headers: newHeaders,
-    };
+  if (kibanaVersion.major < 8) {
+    // In 7.x we still support the proxyConfig setting defined in kibana.yml
+    // From 8.x we don't support it anymore so we don't try to read it here.
+    if (proxyConfigCollection!.hasConfig()) {
+      return {
+        ...proxyConfigCollection!.configForUri(uri),
+        headers: newHeaders,
+      };
+    }
   }
 
   return {
@@ -106,18 +112,23 @@ export const createHandler =
   ({
     log,
     proxy: { readLegacyESConfig, pathFilters, proxyConfigCollection },
+    kibanaVersion,
   }: RouteDependencies): RequestHandler<unknown, Query, Body> =>
   async (ctx, request, response) => {
     const { body, query } = request;
     const { path, method } = query;
 
-    if (!pathFilters.some((re) => re.test(path))) {
-      return response.forbidden({
-        body: `Error connecting to '${path}':\n\nUnable to send requests to that path.`,
-        headers: {
-          'Content-Type': 'text/plain',
-        },
-      });
+    if (kibanaVersion.major < 8) {
+      // The "console.proxyFilter" setting in kibana.yaml has been deprecated in 8.x
+      // We only read it on the 7.x branch
+      if (!pathFilters!.some((re) => re.test(path))) {
+        return response.forbidden({
+          body: `Error connecting to '${path}':\n\nUnable to send requests to that path.`,
+          headers: {
+            'Content-Type': 'text/plain',
+          },
+        });
+      }
     }
 
     const legacyConfig = await readLegacyESConfig();
@@ -134,8 +145,9 @@ export const createHandler =
         const { timeout, agent, headers, rejectUnauthorized } = getRequestConfig(
           request.headers,
           legacyConfig,
-          proxyConfigCollection,
-          uri.toString()
+          uri.toString(),
+          kibanaVersion,
+          proxyConfigCollection
         );
 
         const requestHeaders = {

src/plugins/console/server/routes/api/console/proxy/mocks.ts

@@ -5,28 +5,41 @@
  * in compliance with, at your election, the Elastic License 2.0 or the Server
  * Side Public License, v 1.
  */
+import { SemVer } from 'semver';
 
 jest.mock('../../../../lib/proxy_request', () => ({
   proxyRequest: jest.fn(),
 }));
 
 import { duration } from 'moment';
+import { MAJOR_VERSION } from '../../../../../common/constants';
 import { ProxyConfigCollection } from '../../../../lib';
 import { RouteDependencies, ProxyDependencies } from '../../../../routes';
 import { EsLegacyConfigService, SpecDefinitionsService } from '../../../../services';
 import { coreMock, httpServiceMock } from '../../../../../../../core/server/mocks';
 
-const defaultProxyValue = Object.freeze({
-  readLegacyESConfig: async () => ({
-    requestTimeout: duration(30000),
-    customHeaders: {},
-    requestHeadersWhitelist: [],
-    hosts: ['http://localhost:9200'],
-  }),
-  pathFilters: [/.*/],
-  proxyConfigCollection: new ProxyConfigCollection([]),
+const kibanaVersion = new SemVer(MAJOR_VERSION);
+
+const readLegacyESConfig = async () => ({
+  requestTimeout: duration(30000),
+  customHeaders: {},
+  requestHeadersWhitelist: [],
+  hosts: ['http://localhost:9200'],
+});
+
+let defaultProxyValue = Object.freeze({
+  readLegacyESConfig,
 });
 
+if (kibanaVersion.major < 8) {
+  // In 7.x we still support the "pathFilter" and "proxyConfig" kibana.yml settings
+  defaultProxyValue = Object.freeze({
+    readLegacyESConfig,
+    pathFilters: [/.*/],
+    proxyConfigCollection: new ProxyConfigCollection([]),
+  });
+}
+
 interface MockDepsArgument extends Partial<Omit<RouteDependencies, 'proxy'>> {
   proxy?: Partial<ProxyDependencies>;
 }
@@ -51,5 +64,6 @@ export const getProxyRouteHandlerDeps = ({
         }
       : defaultProxyValue,
     log,
+    kibanaVersion,
   };
 };