feat(catalog): allow setting EntityDataParser using CatalogProcessingExtensionPoint

Signed-off-by: secustor <sebastian@poxhofer.at>

.changeset/polite-zoos-pay.md

@@ -0,0 +1,6 @@
+---
+'@backstage/plugin-catalog-backend': minor
+'@backstage/plugin-catalog-node': minor
+---
+
+Allow setting EntityDataParser using CatalogProcessingExtensionPoint

plugins/catalog-backend/src/service/CatalogPlugin.ts

@@ -28,11 +28,13 @@ import {
 } from '@backstage/plugin-catalog-node/alpha';
 import {
   CatalogProcessor,
+  CatalogProcessorParser,
   EntityProvider,
   ScmLocationAnalyzer,
 } from '@backstage/plugin-catalog-node';
 import { loggerToWinstonLogger } from '@backstage/backend-common';
 import { PlaceholderResolver } from '../modules';
+import { defaultEntityDataParser } from '../modules/util/parse';
 
 class CatalogProcessingExtensionPointImpl
   implements CatalogProcessingExtensionPoint
@@ -40,6 +42,7 @@ class CatalogProcessingExtensionPointImpl
   #processors = new Array<CatalogProcessor>();
   #entityProviders = new Array<EntityProvider>();
   #placeholderResolvers: Record<string, PlaceholderResolver> = {};
+  entityDataParser: CatalogProcessorParser = defaultEntityDataParser;
 
   addProcessor(
     ...processors: Array<CatalogProcessor | Array<CatalogProcessor>>
@@ -61,6 +64,10 @@ class CatalogProcessingExtensionPointImpl
     this.#placeholderResolvers[key] = resolver;
   }
 
+  setEntityDataParser(parser: CatalogProcessorParser): void {
+    this.entityDataParser = parser;
+  }
+
   get processors() {
     return this.#processors;
   }
@@ -164,6 +171,8 @@ export const catalogPlugin = createBackendPlugin({
         });
         builder.addProcessor(...processingExtensions.processors);
         builder.addEntityProvider(...processingExtensions.entityProviders);
+        builder.setEntityDataParser(processingExtensions.entityDataParser);
+
         Object.entries(processingExtensions.placeholderResolvers).forEach(
           ([key, resolver]) => builder.setPlaceholderResolver(key, resolver),
         );

plugins/catalog-node/api-report-alpha.md

@@ -5,6 +5,7 @@
 ```ts
 import { CatalogApi } from '@backstage/catalog-client';
 import { CatalogProcessor } from '@backstage/plugin-catalog-node';
+import { CatalogProcessorParser } from '@backstage/plugin-catalog-node';
 import { EntitiesSearchFilter } from '@backstage/plugin-catalog-node';
 import { Entity } from '@backstage/catalog-model';
 import { EntityProvider } from '@backstage/plugin-catalog-node';
@@ -54,6 +55,8 @@ export interface CatalogProcessingExtensionPoint {
   addProcessor(
     ...processors: Array<CatalogProcessor | Array<CatalogProcessor>>
   ): void;
+  // (undocumented)
+  setEntityDataParser(parser: CatalogProcessorParser): void;
 }
 
 // @alpha (undocumented)

plugins/catalog-node/src/extensions.ts

@@ -18,6 +18,7 @@ import { createExtensionPoint } from '@backstage/backend-plugin-api';
 import { Entity } from '@backstage/catalog-model';
 import {
   CatalogProcessor,
+  CatalogProcessorParser,
   EntitiesSearchFilter,
   EntityProvider,
   PlaceholderResolver,
@@ -37,6 +38,7 @@ export interface CatalogProcessingExtensionPoint {
     ...providers: Array<EntityProvider | Array<EntityProvider>>
   ): void;
   addPlaceholderResolver(key: string, resolver: PlaceholderResolver): void;
+  setEntityDataParser(parser: CatalogProcessorParser): void;
 }
 
 /**