From 07a6834e586924989b4efb722b18b8e7e57c6c56 Mon Sep 17 00:00:00 2001
From: adz <x12@adz.garden>
Date: Thu, 16 Nov 2023 21:31:55 +0100
Subject: [PATCH] Generate a random name for in-memory database

---
 Cargo.lock                  | 1 +
 aquadoggo_cli/Cargo.toml    | 1 +
 aquadoggo_cli/src/config.rs | 9 ++++++++-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Cargo.lock b/Cargo.lock
index e009da559..54800b2b9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -226,6 +226,7 @@ dependencies = [
  "log",
  "p2panda-rs",
  "path-clean",
+ "rand 0.8.5",
  "serde",
  "tempfile",
  "tokio",
diff --git a/aquadoggo_cli/Cargo.toml b/aquadoggo_cli/Cargo.toml
index c91196aa2..ed1681e41 100644
--- a/aquadoggo_cli/Cargo.toml
+++ b/aquadoggo_cli/Cargo.toml
@@ -31,6 +31,7 @@ libp2p = "0.52.0"
 log = "0.4.20"
 p2panda-rs = "0.8.0"
 path-clean = "1.0.1"
+rand = "0.8.5"
 serde = { version = "1.0.185", features = ["serde_derive"] }
 tempfile = "3.7.0"
 tokio = { version = "1.28.2", features = ["full"] }
diff --git a/aquadoggo_cli/src/config.rs b/aquadoggo_cli/src/config.rs
index 6ebfada05..dd1aa8300 100644
--- a/aquadoggo_cli/src/config.rs
+++ b/aquadoggo_cli/src/config.rs
@@ -292,10 +292,17 @@ pub struct Configuration {
 
 impl Default for Configuration {
     fn default() -> Self {
+        // Give each in-memory SQLite database an unique name as we're observing funny issues with
+        // SQLite sharing data between processes (!) and breaking each others databases
+        // potentially.
+        //
+        // See related issue: https://github.com/p2panda/aquadoggo/issues/568
+        let db_name = format!("dbmem{}", rand::random::<u32>());
+
         Self {
             log_level: "off".into(),
             allow_schema_ids: UncheckedAllowList::Wildcard,
-            database_url: "sqlite::memory:".into(),
+            database_url: format!("sqlite://{db_name}?mode=memory&cache=private"),
             database_max_connections: 32,
             http_port: 2020,
             quic_port: 2022,