feat: initial lunarfront-manager app

src/routes/customers.ts

@@ -0,0 +1,46 @@
+import type { FastifyInstance } from "fastify";
+import { z } from "zod";
+import { createDatabase, createDatabaseUser, deleteDatabase, deleteDatabaseUser } from "../services/do";
+import { addCustomerToPool, removeCustomerFromPool } from "../services/pgbouncer";
+import { addCustomerChart, removeCustomerChart } from "../services/git";
+
+const ProvisionSchema = z.object({
+  name: z.string().min(2).max(32).regex(/^[a-z0-9-]+$/, "lowercase letters, numbers, and hyphens only"),
+  appVersion: z.string().default("latest"),
+});
+
+export async function customerRoutes(app: FastifyInstance) {
+  app.post("/customers", async (req, reply) => {
+    const body = ProvisionSchema.parse(req.body);
+    const slug = body.name;
+
+    app.log.info({ slug }, "provisioning customer");
+
+    const [, user] = await Promise.all([
+      createDatabase(slug),
+      createDatabaseUser(slug),
+    ]);
+
+    await addCustomerToPool(slug, user.password);
+    addCustomerChart(slug, body.appVersion);
+
+    app.log.info({ slug }, "customer provisioned");
+    return reply.code(201).send({ slug, status: "provisioned" });
+  });
+
+  app.delete("/customers/:slug", async (req, reply) => {
+    const { slug } = req.params as { slug: string };
+
+    app.log.info({ slug }, "deprovisioning customer");
+
+    removeCustomerChart(slug);
+    await removeCustomerFromPool(slug);
+    await Promise.all([
+      deleteDatabase(slug),
+      deleteDatabaseUser(slug),
+    ]);
+
+    app.log.info({ slug }, "customer deprovisioned");
+    return reply.code(204).send();
+  });
+}