feat(functions): set up some logging

functions/package.json

@@ -16,6 +16,7 @@
   },
   "main": "lib/index.js",
   "dependencies": {
+    "@google-cloud/logging": "^11.0.0",
     "firebase-admin": "^11.11.1",
     "firebase-functions": "^4.6.0"
   },

functions/src/index.ts

@@ -1,4 +1,5 @@
 import { runWith } from "firebase-functions";
+import { Logging } from "@google-cloud/logging";
 
 // Start writing Firebase Functions
 // https://firebase.google.com/docs/functions/typescript
@@ -7,6 +8,16 @@ const goVCSBase = "https://github.com/jlucktay";
 
 export const goPackage = runWith({ memory: "128MB" }).https.onRequest(
   (request, response) => {
+    const logging = new Logging();
+    const log = logging.log("goPackage");
+
+    const METADATA = {
+      resource: {
+        type: "cloud_function",
+        labels: { function_name: "goPackage" },
+      },
+    };
+
     const firstSlash = request.path.substring(1).indexOf("/");
     let basePackage = request.path;
 
@@ -25,6 +36,9 @@ export const goPackage = runWith({ memory: "128MB" }).https.onRequest(
     const goImportMeta =
       `<meta name="go-import" content="` + goImport.join(" ") + `">`;
 
+    const logGoImportMeta = { message: goImportMeta };
+    log.write(log.entry(METADATA, logGoImportMeta));
+
     // https://github.com/golang/gddo/wiki/Source-Code-Links
     // <meta name="go-source" content="prefix home directory file">
     const goSource: string[] = [
@@ -37,6 +51,9 @@ export const goPackage = runWith({ memory: "128MB" }).https.onRequest(
     const goSourceMeta =
       `<meta name="go-source" content="` + goSource.join(" ") + `">`;
 
+    const logGoSourceMeta = { message: goSourceMeta };
+    log.write(log.entry(METADATA, logGoSourceMeta));
+
     response.send(goImportMeta + "\n" + goSourceMeta + "\n");
   },
 );