Support for SQLite storage of ayb metadata (#100)

* AybDb trait that supports SQLite and PostgreSQL depending on connection string

* Remove reliance on sqlx offline mode (we support multiple databases now)

* Add migrations & tests for SQLite, create data directory on start

* Add missing files for SQLite and tests, remove base test config

* Genericize duplicate constraint logic across SQLite and Postgres

* Allow parallel tests by removing shared state

* Cargo fmt

* Servers on different ports

* Update readme

* Version bump

* Clarification

* Ignore local reset script

* Ignore local reset script

.github/workflows/tests.yml

@@ -21,10 +21,6 @@ jobs:
           --health-retries 5
         ports:
           - 5432:5432
-    env:
-      # Build binaries based on sqlx-data.json rather than live database,
-      # which isn't initialized yet for tests.
-      SQLX_OFFLINE: true
     steps:
     - uses: actions/checkout@v3
     - name: Cargo cache

.gitignore

@@ -11,5 +11,7 @@
 # Ignore ayb-specific files
 ayb.toml
 e2e.sh
-tests/ayb_data
+tests/ayb_data_postgres
+tests/ayb_data_sqlite
 ayb_data
+reset_db.sh

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ayb"
-version = "0.1.3"
+version = "0.1.4"
 edition = "2021"
 description = "ayb makes it easy to create, host, and share embedded databases like SQLite and DuckDB"
 homepage = "https://github.com/marcua/ayb"
@@ -9,15 +9,17 @@ license = "Apache-2.0"
 
 [dependencies]
 actix-web = { version = "4.3.1" }
+async-trait = { version = "0.1.68" }
 clap = { version = "4.2.7", features = ["cargo", "derive", "env"] }
 derive_more = { version = "0.99.0" }
+dyn-clone = { version = "1.0.11" }
 env_logger = { version = "0.10.0" }
 reqwest = { version = "0.11.18", features = ["json"] }
-rusqlite = { version = "0.29.0", features = ["bundled"] }
+rusqlite = { version = "0.27.0", features = ["bundled"] }
 regex = { version = "1.8.0"}
 serde = { version = "1.0", features = ["derive"] }
 serde_repr = { version = "0.1.11" }
-sqlx = { version = "0.6.3", features = ["runtime-actix-native-tls", "postgres", "offline"] }
+sqlx = { version = "0.6.3", features = ["runtime-actix-native-tls", "postgres", "sqlite"] }
 toml = { version = "0.7.3" }
 tokio = { version = "1.28.1", features = ["macros", "rt"] }
 prettytable-rs = "0.10.0"