first commit

services/web/scripts/helpers/chunkArray.mjs

@@ -0,0 +1,12 @@
+const CHUNK_SIZE = 1000
+
+// Function to chunk the array
+export function chunkArray(array, size = CHUNK_SIZE) {
+  const result = []
+  for (let i = 0; i < array.length; i += size) {
+    result.push(array.slice(i, i + size))
+  }
+  return result
+}
+
+export default { chunkArray }

services/web/scripts/helpers/env_variable_helper.mjs

@@ -0,0 +1,32 @@
+/**
+ * Ensures that the specific MongoDB connection timeout is set.
+ *
+ * @param {number} timeoutInMS
+ * @returns {void}
+ */
+export function ensureMongoTimeout(timeoutInMS) {
+  if (process.env.MONGO_SOCKET_TIMEOUT !== timeoutInMS.toString()) {
+    throw new Error(
+      `must run with higher mongo timeout: MONGO_SOCKET_TIMEOUT=${timeoutInMS} node ${process.argv[1]}`
+    )
+  }
+}
+
+/**
+ * Ensures MongoDB queries are running on secondary and the specific connection timeout is set.
+ *
+ * @param {number} timeoutInMS
+ * @returns {void}
+ */
+export function ensureRunningOnMongoSecondaryWithTimeout(timeoutInMS) {
+  const timeout = parseInt(process.env.MONGO_SOCKET_TIMEOUT, 10) || 0
+  if (
+    timeout < timeoutInMS ||
+    process.env.MONGO_CONNECTION_STRING !==
+      process.env.READ_ONLY_MONGO_CONNECTION_STRING
+  ) {
+    throw new Error(
+      `must run on secondary with higher mongo timeout: MONGO_SOCKET_TIMEOUT=${timeoutInMS} MONGO_CONNECTION_STRING="$READ_ONLY_MONGO_CONNECTION_STRING" node ${process.argv[1]}`
+    )
+  }
+}