Merge pull request #345 from spoo-me/feat/ab-ship-day

chore(flags): mongosh seed for the ab_testing feature flag

Author: Zingzy

scripts/seed_ab_testing_flag.js

@@ -0,0 +1,44 @@
+// Registers the ab_testing feature flag without enabling it for anyone.
+//
+// Run against prod from a machine with the Mongo URI:
+//   mongosh "$MONGODB_URI/url-shortener" scripts/seed_ab_testing_flag.js
+//
+// Idempotent: only inserts when no doc exists, so a flag a human has
+// already edited (allowlist, rollout) is never rewritten. Add accounts
+// afterwards with:
+//   db.feature_flags.updateOne({name: "ab_testing"},
+//     {$addToSet: {allowlist_emails: "someone@example.com"}})
+// and unregister with:
+//   db.feature_flags.deleteOne({name: "ab_testing"})
+// The app picks changes up within the flag cache TTL (about 30s).
+
+const now = new Date();
+const result = db.feature_flags.updateOne(
+  { name: "ab_testing" },
+  {
+    $setOnInsert: {
+      name: "ab_testing",
+      enabled: true,
+      rollout_type: "allowlist",
+      allowlist_user_ids: [],
+      allowlist_emails: [],
+      percentage: 0,
+      enabled_digits: [],
+      tier: null,
+      description:
+        "A/B split destinations (ab_variants). Allowlist until paid plans gate it by tier.",
+      created_at: now,
+      updated_at: now,
+    },
+  },
+  { upsert: true },
+);
+
+const doc = db.feature_flags.findOne({ name: "ab_testing" });
+print(result.upsertedCount ? "inserted ab_testing flag" : "ab_testing flag already registered, untouched");
+printjson({
+  enabled: doc.enabled,
+  rollout_type: doc.rollout_type,
+  allowlist_emails: doc.allowlist_emails,
+  created_at: doc.created_at,
+});