feat: add custom kubernetes schema support

Author: tricktron

src/languageserver/handlers/settingsHandlers.ts

@@ -323,7 +323,7 @@ export class SettingsHandler {
    * @param languageSettings current server settings
    */
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  private configureSchemas(
+  public configureSchemas(
     uri: string,
     fileMatch: string[],
     schema: unknown,
@@ -338,12 +338,14 @@ export class SettingsHandler {
       languageSettings.schemas.push({ uri, fileMatch: fileMatch, schema: schema, priority: priorityLevel });
     }
 
-    if (fileMatch.constructor === Array && uri === KUBERNETES_SCHEMA_URL) {
-      fileMatch.forEach((url) => {
-        this.yamlSettings.specificValidatorPaths.push(url);
-      });
-    } else if (uri === KUBERNETES_SCHEMA_URL) {
-      this.yamlSettings.specificValidatorPaths.push(fileMatch);
+    if (uri.normalize().includes("kubernetes")) {
+      if (fileMatch.constructor === Array) {
+        fileMatch.forEach((url) => {
+          this.yamlSettings.specificValidatorPaths.push(url);
+        });
+      } else {
+        this.yamlSettings.specificValidatorPaths.push(fileMatch);
+      }
     }
 
     return languageSettings;

test/schemaValidation.test.ts

@@ -22,11 +22,13 @@ import { Diagnostic, DiagnosticSeverity, Position } from 'vscode-languageserver-
 import { expect } from 'chai';
 import { SettingsState, TextDocumentTestManager } from '../src/yamlSettings';
 import { ValidationHandler } from '../src/languageserver/handlers/validationHandlers';
-import { LanguageService } from '../src/languageservice/yamlLanguageService';
+import { LanguageService, SchemaPriority } from '../src/languageservice/yamlLanguageService';
 import { KUBERNETES_SCHEMA_URL } from '../src/languageservice/utils/schemaUrls';
 import { IProblem } from '../src/languageservice/parser/jsonParser07';
 import { JSONSchema } from '../src/languageservice/jsonSchema';
 import { TestTelemetry } from './utils/testsTypes';
+import { SettingsHandler } from '../src/languageserver/handlers/settingsHandlers';
+import { Connection } from 'vscode-languageserver';
 
 describe('Validation Tests', () => {
   let languageSettingsSetup: ServiceSetup;
@@ -1902,5 +1904,32 @@ obj:
       expect(result[0].message).to.eq('Matches multiple schemas when only one must validate.');
       expect(telemetry.messages).to.be.empty;
     });
+
+    it('custom kubernetes schema should return validation errors', (done) => {
+      const settingsHandler = new SettingsHandler(
+        {} as Connection,
+        languageService,
+        yamlSettings,
+        validationHandler,
+        telemetry
+      );
+      const initialSettings = languageSettingsSetup.withKubernetes(true).languageSettings;
+      const kubernetesSettings = settingsHandler.configureSchemas(
+        'https://raw.githubusercontent.com/yannh/kubernetes-json-schema/master/v1.26.1-standalone-strict/all.json',
+        ['**'],
+        undefined,
+        initialSettings,
+        SchemaPriority.SchemaAssociation
+      );
+      languageService.configure(kubernetesSettings);
+      const content = `apiVersion: apps/v1\nkind: Deployment\nfoo: bar`;
+      const validator = parseSetup(content);
+      validator
+      .then(function (result) {
+        assert.equal(result.length, 1);
+        // eslint-disable-next-line
+        assert.equal(result[0].message, `Property foo is not allowed.`);
+      }).then(done, done);
+    });
   });
 });