Add runtime service links for lab endpoints

src/lib/courseware-runtime.ts

@@ -2,31 +2,56 @@ export const COURSEWARE_RUNTIME_CONFIG_PATH = "/courseware-runtime.json";
 export const LAB1_DEFAULT_NETRON_URL = "http://127.0.0.1:8338";
 export const LAB2_DEFAULT_OLLAMA_URL = "http://127.0.0.1:11434";
 export const LAB2_DEFAULT_OLLAMA_MODELS = [
-  {
-    label: "Gemma 4 E2B Q2",
-    value: "cajina/gemma4_e2b-q2_k_xl:v01",
-  },
   {
     label: "Gemma 4 E2B Q4",
     value: "batiai/gemma4-e2b:q4",
   },
   {
-    label: "Gemma 4 E2B Q8",
-    value: "bjoernb/gemma4-e2b-fast:latest",
+    label: "Gemma 4 E2B Q6",
+    value: "batiai/gemma4-e2b:q6",
   },
 ] as const;
 export const LAB3_DEFAULT_TERMINAL_PATH = "/wetty";
+export const COURSEWARE_SERVICE_IDS = [
+  "open-webui",
+  "promptfoo",
+  "chunkviz",
+  "embedding-atlas",
+  "unsloth",
+  "ssh",
+] as const;
 
 export type CoursewareRuntimeModelOption = {
   label: string;
   value: string;
 };
 
+export type CoursewareServiceId = (typeof COURSEWARE_SERVICE_IDS)[number];
+
+export type CoursewareRuntimeServices = Partial<
+  Record<CoursewareServiceId, string>
+>;
+
+export type ResolvedCoursewareRuntimeServices = Record<
+  CoursewareServiceId,
+  string
+>;
+
+export const COURSEWARE_SERVICE_DEFAULTS: ResolvedCoursewareRuntimeServices = {
+  "chunkviz": "http://127.0.0.1:3000",
+  "embedding-atlas": "http://127.0.0.1:5055",
+  "open-webui": "http://127.0.0.1:8080",
+  "promptfoo": "http://127.0.0.1:15500",
+  "ssh": "ssh://127.0.0.1:22",
+  "unsloth": "http://127.0.0.1:8888",
+};
+
 export type CoursewareRuntimeConfig = {
   lab1NetronUrl?: string;
   lab2OllamaModels?: CoursewareRuntimeModelOption[];
   lab2OllamaUrl?: string;
   lab3TerminalUrl?: string;
+  services?: CoursewareRuntimeServices;
 };
 
 export type ResolvedCoursewareRuntimeConfig = {
@@ -34,6 +59,7 @@ export type ResolvedCoursewareRuntimeConfig = {
   lab2OllamaModels: CoursewareRuntimeModelOption[];
   lab2OllamaUrl: string;
   lab3TerminalUrl: string;
+  services: ResolvedCoursewareRuntimeServices;
 };
 
 const loopbackHosts = new Set(["127.0.0.1", "localhost", "::1"]);
@@ -61,6 +87,93 @@ function getCurrentHostname() {
   return hostname || undefined;
 }
 
+export function isCoursewareServiceId(
+  value: string,
+): value is CoursewareServiceId {
+  return (COURSEWARE_SERVICE_IDS as readonly string[]).includes(value);
+}
+
+export function getCoursewareServiceBaseUrl(
+  serviceId: CoursewareServiceId,
+  envValue?: string,
+  currentHostname = getCurrentHostname(),
+) {
+  const trimmedValue = envValue?.trim();
+  const baseUrl = trimmedValue || COURSEWARE_SERVICE_DEFAULTS[serviceId];
+  return rewriteLoopbackHost(baseUrl, currentHostname);
+}
+
+export function getCoursewareServices(
+  envValue?: CoursewareRuntimeServices,
+  currentHostname = getCurrentHostname(),
+): ResolvedCoursewareRuntimeServices {
+  const services = {} as ResolvedCoursewareRuntimeServices;
+
+  for (const serviceId of COURSEWARE_SERVICE_IDS) {
+    services[serviceId] = getCoursewareServiceBaseUrl(
+      serviceId,
+      envValue?.[serviceId],
+      currentHostname,
+    );
+  }
+
+  return services;
+}
+
+function appendUrlPath(urlValue: string, pathSuffix: string) {
+  const trimmedSuffix = pathSuffix.trim();
+  if (!trimmedSuffix) {
+    return urlValue;
+  }
+
+  try {
+    const url = new URL(urlValue);
+    const normalizedSuffix = trimmedSuffix.startsWith("/")
+      ? trimmedSuffix
+      : `/${trimmedSuffix}`;
+    const basePath = url.pathname === "/" ? "" : url.pathname.replace(/\/$/, "");
+
+    url.pathname = `${basePath}${normalizedSuffix}`;
+    return url.toString();
+  } catch {
+    return urlValue;
+  }
+}
+
+export function resolveCoursewareServiceBaseUrl(
+  runtimeConfig: Pick<ResolvedCoursewareRuntimeConfig, "services">,
+  serviceId: CoursewareServiceId,
+) {
+  return runtimeConfig.services[serviceId];
+}
+
+export function resolveCoursewareServiceUrl(
+  runtimeConfig: Pick<ResolvedCoursewareRuntimeConfig, "services">,
+  serviceId: CoursewareServiceId,
+  pathSuffix?: string,
+) {
+  const baseUrl = resolveCoursewareServiceBaseUrl(runtimeConfig, serviceId);
+  if (!pathSuffix?.trim()) {
+    return baseUrl;
+  }
+
+  return appendUrlPath(baseUrl, pathSuffix);
+}
+
+export function resolveCoursewareServiceAddress(
+  runtimeConfig: Pick<ResolvedCoursewareRuntimeConfig, "services">,
+  serviceId: CoursewareServiceId,
+) {
+  const baseUrl = resolveCoursewareServiceBaseUrl(runtimeConfig, serviceId);
+
+  try {
+    const url = new URL(baseUrl);
+    return url.port ? `${url.hostname}:${url.port}` : url.hostname;
+  } catch {
+    return baseUrl;
+  }
+}
+
 export function getLab1NetronUrl(
   envValue?: string,
   currentHostname = getCurrentHostname(),
@@ -145,6 +258,7 @@ export function normalizeCoursewareRuntimeConfig(
       config?.lab3TerminalUrl,
       currentHostname,
     ),
+    services: getCoursewareServices(config?.services, currentHostname),
   };
 }