feat: initial port of EKS Cluster Processor and CatalogClusterLocator into upstream

Signed-off-by: Jonah Back <jonah@jonahback.com>
2022-06-01 20:06:59 -07:00
parent e15c24ddb5
commit 22c1fc0f6d
4 changed files with 202 additions and 0 deletions
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2020 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { ClusterDetails, KubernetesClustersSupplier } from '../types/types';
+import {
+  CATALOG_FILTER_EXISTS,
+  CatalogClient,
+} from '@backstage/catalog-client';
+import { DiscoveryApi } from '@backstage/core-plugin-api';
+
+export class CatalogClusterLocator implements KubernetesClustersSupplier {
+  private catalogClient: CatalogClient;
+
+  constructor(catalogClient: CatalogClient) {
+    this.catalogClient = catalogClient;
+  }
+
+  static fromConfig(discoveryApi: DiscoveryApi): CatalogClusterLocator {
+    return new CatalogClusterLocator(new CatalogClient({ discoveryApi }));
+  }
+
+  async getClusters(): Promise<ClusterDetails[]> {
+    const clusters = await this.catalogClient.getEntities({
+      filter: [
+        { 'spec.type': 'kubernetes-cluster' },
+        {
+          'metadata.annotations.kubernetes.io/api-server':
+            CATALOG_FILTER_EXISTS,
+        },
+        {
+          'metadata.annotations.kubernetes.io/api-server-certificate-authority':
+            CATALOG_FILTER_EXISTS,
+        },
+        {
+          'metadata.annotations.kubernetes.io/auth-provider':
+            CATALOG_FILTER_EXISTS,
+        },
+      ],
+    });
+    return clusters.items.map(entity => {
+      const clusterDetails: ClusterDetails = {
+        name: entity.metadata.name,
+        // @ts-ignore filtered out by catalog-client query.
+        url: entity.metadata.annotations['kubernetes.io/api-server'],
+        // @ts-ignore filtered out by catalog-client query.
+        caData:
+          entity.metadata.annotations[
+            'kubernetes.io/api-server-certificate-authority'
+          ],
+        // @ts-ignore filtered out by catalog-client query.
+        authProvider:
+          entity.metadata.annotations['kubernetes.io/auth-provider'],
+      };
+
+      return clusterDetails;
+    });
+  }
+}