feat: setup sysdig api interface and sysdigApiClient

Author: Jonas-Beck

src/api/SysdigApi.ts

@@ -0,0 +1,19 @@
+/* src/api.ts */
+import { createApiRef } from "@backstage/core-plugin-api";
+
+export interface SysdigApi {
+  fetchVulnRuntime: <T = any>(filters?: string, init?: RequestInit) => Promise<T>;
+  fetchVulnRegistry: <T = any>(
+    filters?: string,
+    init?: RequestInit,
+  ) => Promise<T>;
+  fetchVulnPipeline: <T = any>(
+    fitlers?: string,
+    init?: RequestInit,
+  ) => Promise<T>;
+  fetchInventory: <T = any>(filters?: string, init?: RequestInit) => Promise<T>;
+}
+
+export const sysdigApiRef = createApiRef<SysdigApi>({
+  id: "plugin.sysdig.service",
+});

src/api/SysdigApiClient.ts

@@ -0,0 +1,59 @@
+import { ConfigApi, FetchApi } from "@backstage/core-plugin-api";
+import { SysdigApi } from "./SysdigApi";
+import {
+  API_INVENTORY,
+  API_PROXY_BASE_PATH,
+  API_VULN_PIPELINE,
+  API_VULN_REGISTRY,
+  API_VULN_RUNTIME,
+} from "../lib";
+
+export class SysdigApiClient implements SysdigApi {
+  private readonly fetchApi: FetchApi;
+  private readonly configApi: ConfigApi;
+  private readonly baseUrl: string;
+
+  constructor(options: { configApi: ConfigApi; fetchApi: FetchApi }) {
+    this.configApi = options.configApi;
+    this.fetchApi = options.fetchApi;
+    this.baseUrl = this.configApi.getString("backend.baseUrl");
+  }
+
+  private async fetch<T>(endpoint: string, init?: RequestInit): Promise<T> {
+    const uri = `${this.baseUrl}${API_PROXY_BASE_PATH}${endpoint}`;
+
+    const response = await this.fetchApi.fetch(uri, init);
+
+    if (!response.ok) throw new Error(response.statusText);
+
+    return await response.json();
+  }
+
+  async fetchVulnRuntime<T = any>(
+    filters?: string,
+    init?: RequestInit,
+  ): Promise<T> {
+    return await this.fetch<T>(`${API_VULN_RUNTIME}${filters}`, init);
+  }
+
+  async fetchVulnRegistry<T = any>(
+    filters?: string,
+    init?: RequestInit,
+  ): Promise<T> {
+    return await this.fetch<T>(`${API_VULN_REGISTRY}${filters}`, init);
+  }
+
+  async fetchVulnPipeline<T = any>(
+    filters?: string,
+    init?: RequestInit,
+  ): Promise<T> {
+    return await this.fetch<T>(`${API_VULN_PIPELINE}${filters}`, init);
+  }
+
+  async fetchInventory<T = any>(
+    filters?: string,
+    init?: RequestInit,
+  ): Promise<T> {
+    return await this.fetch<T>(`${API_INVENTORY}${filters}`, init);
+  }
+}

src/api/index.ts

@@ -0,0 +1,2 @@
+export * from "./SysdigApi";
+export * from "./SysdigApiClient";