feat(service): Add thruster framework as service

    Adds the [thruster](https://github.com/thruster-rs/Thruster) framework as a launchable target for use with shuttle.rs. Also includes a hello-world and postgres example.

cargo-shuttle/src/args.rs

@@ -137,29 +137,32 @@ pub struct RunArgs {
 #[derive(Parser, Debug)]
 pub struct InitArgs {
     /// Initialize with axum framework
-    #[clap(long, conflicts_with_all = &["rocket", "tide", "tower", "poem", "serenity", "warp", "salvo"])]
+    #[clap(long, conflicts_with_all = &["rocket", "tide", "tower", "poem", "serenity", "warp", "salvo", "thruster"])]
     pub axum: bool,
     /// Initialize with rocket framework
-    #[clap(long, conflicts_with_all = &["axum", "tide", "tower", "poem", "serenity", "warp", "salvo"])]
+    #[clap(long, conflicts_with_all = &["axum", "tide", "tower", "poem", "serenity", "warp", "salvo", "thruster"])]
     pub rocket: bool,
     /// Initialize with tide framework
-    #[clap(long, conflicts_with_all = &["axum", "rocket", "tower", "poem", "serenity", "warp", "salvo"])]
+    #[clap(long, conflicts_with_all = &["axum", "rocket", "tower", "poem", "serenity", "warp", "salvo", "thruster"])]
     pub tide: bool,
     /// Initialize with tower framework
-    #[clap(long, conflicts_with_all = &["axum", "rocket", "tide", "poem", "serenity", "warp", "salvo"])]
+    #[clap(long, conflicts_with_all = &["axum", "rocket", "tide", "poem", "serenity", "warp", "salvo", "thruster"])]
     pub tower: bool,
     /// Initialize with poem framework
-    #[clap(long, conflicts_with_all = &["axum", "rocket", "tide", "tower", "serenity", "warp", "salvo"])]
+    #[clap(long, conflicts_with_all = &["axum", "rocket", "tide", "tower", "serenity", "warp", "salvo", "thruster"])]
     pub poem: bool,
     /// Initialize with salvo framework
-    #[clap(long, conflicts_with_all = &["axum", "rocket", "tide", "tower", "poem", "warp", "serenity"])]
+    #[clap(long, conflicts_with_all = &["axum", "rocket", "tide", "tower", "poem", "warp", "serenity", "thruster"])]
     pub salvo: bool,
     /// Initialize with serenity framework
-    #[clap(long, conflicts_with_all = &["axum", "rocket", "tide", "tower", "poem", "warp", "salvo"])]
+    #[clap(long, conflicts_with_all = &["axum", "rocket", "tide", "tower", "poem", "warp", "salvo", "thruster"])]
     pub serenity: bool,
     /// Initialize with warp framework
-    #[clap(long, conflicts_with_all = &["axum", "rocket", "tide", "tower", "poem", "serenity", "salvo"])]
+    #[clap(long, conflicts_with_all = &["axum", "rocket", "tide", "tower", "poem", "serenity", "salvo", "thruster"])]
     pub warp: bool,
+    /// Initialize with thruster framework
+    #[clap(long, conflicts_with_all = &["axum", "rocket", "tide", "tower", "poem", "warp", "salvo", "serenity"])]
+    pub thruster: bool,
     /// Path to initialize a new shuttle project
     #[clap(
         parse(try_from_os_str = parse_init_path),

cargo-shuttle/src/init.rs

@@ -197,7 +197,7 @@ impl ShuttleInit for ShuttleInitPoem {
         #[shuttle_service::main]
         async fn poem() -> shuttle_service::ShuttlePoem<impl poem::Endpoint> {
             let app = Route::new().at("/hello", get(hello_world));
-    
+
             Ok(app)
         }"#}
     }
@@ -481,6 +481,61 @@ impl ShuttleInit for ShuttleInitWarp {
     }
 }
 
+pub struct ShuttleInitThruster;
+
+impl ShuttleInit for ShuttleInitThruster {
+    fn set_cargo_dependencies(
+        &self,
+        dependencies: &mut Table,
+        manifest_path: &Path,
+        url: &Url,
+        get_dependency_version_fn: GetDependencyVersionFn,
+    ) {
+        set_inline_table_dependency_features(
+            "shuttle-service",
+            dependencies,
+            vec!["web-thruster".to_string()],
+        );
+
+        set_inline_table_dependency_version(
+            "thruster",
+            dependencies,
+            manifest_path,
+            url,
+            false,
+            get_dependency_version_fn,
+        );
+
+        set_inline_table_dependency_features(
+            "thruster",
+            dependencies,
+            vec!["hyper_server".to_string()],
+        );
+    }
+
+    fn get_boilerplate_code_for_framework(&self) -> &'static str {
+        indoc! {r#"
+        use thruster::{
+            context::basic_hyper_context::{generate_context, BasicHyperContext as Ctx, HyperRequest},
+            m, middleware_fn, App, HyperServer, MiddlewareNext, MiddlewareResult, ThrusterServer,
+        };
+
+        #[middleware_fn]
+        async fn hello(mut context: Ctx, _next: MiddlewareNext<Ctx>) -> MiddlewareResult<Ctx> {
+            context.body("Hello, World!");
+            Ok(context)
+        }
+
+        #[shuttle_service::main]
+        async fn thruster() -> shuttle_service::ShuttleThruster<HyperServer<Ctx, ()>> {
+            Ok(HyperServer::new(
+                App::<HyperRequest, Ctx, ()>::create(generate_context, ()).get("/hello", m![hello]),
+            ))
+        }
+        "#}
+    }
+}
+
 pub struct ShuttleInitNoOp;
 impl ShuttleInit for ShuttleInitNoOp {
     fn set_cargo_dependencies(
@@ -533,6 +588,10 @@ pub fn get_framework(init_args: &InitArgs) -> Box<dyn ShuttleInit> {
         return Box::new(ShuttleInitWarp);
     }
 
+    if init_args.thruster {
+        return Box::new(ShuttleInitThruster);
+    }
+
     Box::new(ShuttleInitNoOp)
 }
 
@@ -691,6 +750,7 @@ mod shuttle_init_tests {
             salvo: false,
             serenity: false,
             warp: false,
+            thruster: false,
             path: PathBuf::new(),
         };
 
@@ -703,6 +763,7 @@ mod shuttle_init_tests {
             "salvo" => init_args.salvo = true,
             "serenity" => init_args.serenity = true,
             "warp" => init_args.warp = true,
+            "thruster" => init_args.thruster = true,
             _ => unreachable!(),
         }
 
@@ -729,7 +790,7 @@ mod shuttle_init_tests {
     #[test]
     fn test_get_framework_via_get_boilerplate_code() {
         let frameworks = vec![
-            "axum", "rocket", "tide", "tower", "poem", "salvo", "serenity", "warp",
+            "axum", "rocket", "tide", "tower", "poem", "salvo", "serenity", "warp", "thruster",
         ];
         let framework_inits: Vec<Box<dyn ShuttleInit>> = vec![
             Box::new(ShuttleInitAxum),
@@ -740,6 +801,7 @@ mod shuttle_init_tests {
             Box::new(ShuttleInitSalvo),
             Box::new(ShuttleInitSerenity),
             Box::new(ShuttleInitWarp),
+            Box::new(ShuttleInitThruster),
         ];
 
         for (framework, expected_framework_init) in frameworks.into_iter().zip(framework_inits) {
@@ -1079,6 +1141,38 @@ mod shuttle_init_tests {
         assert_eq!(cargo_toml.to_string(), expected);
     }
 
+    #[test]
+    fn test_set_cargo_dependencies_thruster() {
+        let mut cargo_toml = cargo_toml_factory();
+        let dependencies = cargo_toml["dependencies"].as_table_mut().unwrap();
+        let manifest_path = PathBuf::new();
+        let url = Url::parse("https://shuttle.rs").unwrap();
+
+        set_inline_table_dependency_version(
+            "shuttle-service",
+            dependencies,
+            &manifest_path,
+            &url,
+            false,
+            mock_get_latest_dependency_version,
+        );
+
+        ShuttleInitThruster.set_cargo_dependencies(
+            dependencies,
+            &manifest_path,
+            &url,
+            mock_get_latest_dependency_version,
+        );
+
+        let expected = indoc! {r#"
+            [dependencies]
+            shuttle-service = { version = "1.0", features = ["web-thruster"] }
+            thruster = { version = "1.0", features = ["hyper_server"] }
+        "#};
+
+        assert_eq!(cargo_toml.to_string(), expected);
+    }
+
     #[test]
     /// Makes sure that Rocket uses allow_prerelease flag when fetching the latest version
     fn test_get_latest_dependency_version_rocket() {

cargo-shuttle/tests/integration/init.rs

@@ -27,6 +27,7 @@ async fn cargo_shuttle_init(path: PathBuf) -> anyhow::Result<CommandOutcome> {
                 salvo: false,
                 serenity: false,
                 warp: false,
+                thruster: false,
                 path,
             }),
         })
@@ -53,6 +54,7 @@ async fn cargo_shuttle_init_framework(path: PathBuf) -> anyhow::Result<CommandOu
                 salvo: false,
                 serenity: false,
                 warp: false,
+                thruster: false,
                 path,
             }),
         })
@@ -93,16 +95,16 @@ async fn framework_init() {
     let expected = indoc! {r#"
     #[macro_use]
     extern crate rocket;
-    
+
     #[get("/")]
     fn index() -> &'static str {
         "Hello, world!"
     }
-    
+
     #[shuttle_service::main]
     async fn rocket() -> shuttle_service::ShuttleRocket {
         let rocket = rocket::build().mount("/hello", routes![index]);
-    
+
         Ok(rocket)
     }"#};
 

examples/thruster/hello-world/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "hello-world"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+
+[dependencies]
+shuttle-service = { version = "0.5.2", features = ["web-thruster"] }
+thruster = { version = "1.2.6", features = ["hyper_server"] }

examples/thruster/hello-world/Shuttle.toml

@@ -0,0 +1 @@
+name = "hello-world-thruster-app"

examples/thruster/hello-world/src/lib.rs

@@ -0,0 +1,17 @@
+use thruster::{
+    context::basic_hyper_context::{generate_context, BasicHyperContext as Ctx, HyperRequest},
+    m, middleware_fn, App, HyperServer, MiddlewareNext, MiddlewareResult, ThrusterServer,
+};
+
+#[middleware_fn]
+async fn hello(mut context: Ctx, _next: MiddlewareNext<Ctx>) -> MiddlewareResult<Ctx> {
+    context.body("Hello, World!");
+    Ok(context)
+}
+
+#[shuttle_service::main]
+async fn thruster() -> shuttle_service::ShuttleThruster<HyperServer<Ctx, ()>> {
+    Ok(HyperServer::new(
+        App::<HyperRequest, Ctx, ()>::create(generate_context, ()).get("/hello", m![hello]),
+    ))
+}

examples/thruster/postgres/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "postgres"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib"]
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+hyper = "0.14.20"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = { version = "1.0" }
+shuttle-aws-rds = { version = "0.5.2", features = ["postgres"] }
+shuttle-service = { version = "0.5.2", features = ["web-thruster"] }
+sqlx = { version = "0.6", features = ["runtime-tokio-native-tls", "postgres"] }
+thruster = { version = "1.2.6", features = ["hyper_server"] }

examples/thruster/postgres/Shuttle.toml

@@ -0,0 +1 @@
+name = "postgres-tide-app"

examples/thruster/postgres/schema.sql

@@ -0,0 +1,6 @@
+DROP TABLE IF EXISTS todos;
+
+CREATE TABLE todos (
+  id serial PRIMARY KEY,
+  note TEXT NOT NULL
+);