Fix applyExplorerBindings call in Portal (#408)

utils/cleanupDBs.js

@@ -0,0 +1,51 @@
+const { CosmosClient } = require("@azure/cosmos");
+
+// TODO: Add support for other API connection strings
+const mongoRegex = RegExp("mongodb://.*:(.*)@(.*).mongo.cosmos.azure.com");
+
+const connectionString = process.env.PORTAL_RUNNER_CONNECTION_STRING;
+
+async function cleanup() {
+  if (!connectionString) {
+    throw new Error("Connection string not provided");
+  }
+
+  let client;
+  switch (true) {
+    case connectionString.includes("mongodb://"): {
+      const [, key, accountName] = connectionString.match(mongoRegex);
+      client = new CosmosClient({
+        key,
+        endpoint: `https://${accountName}.documents.azure.com:443/`,
+      });
+      break;
+    }
+    // TODO: Add support for other API connection strings
+    default:
+      client = new CosmosClient(connectionString);
+      break;
+  }
+
+  const response = await client.databases.readAll().fetchAll();
+  return Promise.all(
+    response.resources.map(async (db) => {
+      const dbTimestamp = new Date(db._ts * 1000);
+      const twentyMinutesAgo = new Date(Date.now() - 1000 * 60 * 20);
+      if (dbTimestamp < twentyMinutesAgo) {
+        await client.database(db.id).delete();
+        console.log(`DELETED: ${db.id} | Timestamp: ${dbTimestamp}`);
+      } else {
+        console.log(`SKIPPED: ${db.id} | Timestamp: ${dbTimestamp}`);
+      }
+    })
+  );
+}
+
+cleanup()
+  .then(() => {
+    process.exit(0);
+  })
+  .catch((error) => {
+    console.error(error);
+    process.exit(1);
+  });