serve frontend by backend if feature flag is set

.gitlab-ci.yml

@@ -1,17 +1,39 @@
 stages:
-  - build
+  - build_frontend
+  - build_backend
+
+flutter-web:
+  stage: build_frontend
+  image: cirrusci/flutter
+  script:
+    - flutter build web
+  artifacts:
+    expire_in: 2 days
+    paths:
+      - "./app/build/web/"
+
 
 rust-latest:
-  stage: build
+  stage: build_backend
   image: rust:latest
   script:
+    - mkdir ./lib/webroot
+    - cp -r ./app/build/web/* ./lib/webroot
+    - cargo build -r --manifest-path=lib/Cargo.toml --features static
+    - mv ./lib/target/release/raid_manager ./lib/target/release/raid_manager_static
     - cargo build -r --manifest-path=lib/Cargo.toml
     - cargo test -r --manifest-path=lib/Cargo.toml
+  artifacts:
+    expire_in: 2 days
+    paths:
+      - "./lib/target/release/raid_manager_static"
+      - "./lib/target/release/raid_manager"
 
 rust-nightly:
-  stage: build
+  stage: build_backend
   image: rustlang/rust:nightly
   script:
     - cargo build -r --manifest-path=lib/Cargo.toml
+    - cargo build -r --manifest-path=lib/Cargo.toml --features static
     - cargo test -r --manifest-path=lib/Cargo.toml
   allow_failure: true

lib/Cargo.lock

@@ -519,6 +519,25 @@ dependencies = [
  "want",
 ]
 
+[[package]]
+name = "include_dir"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18762faeff7122e89e0857b02f7ce6fcc0d101d5e9ad2ad7846cc01d61b7f19e"
+dependencies = [
+ "include_dir_macros",
+]
+
+[[package]]
+name = "include_dir_macros"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b139284b5cf57ecfa712bcc66950bb635b31aff41c188e8a4cfc758eca374a3f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.9.2"
@@ -814,9 +833,11 @@ dependencies = [
 name = "raid_manager"
 version = "0.1.0"
 dependencies = [
+ "include_dir",
  "lazy_static",
  "regex",
  "rocket",
+ "rust-embed",
 ]
 
 [[package]]
@@ -995,6 +1016,40 @@ dependencies = [
  "uncased",
 ]
 
+[[package]]
+name = "rust-embed"
+version = "6.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "283ffe2f866869428c92e0d61c2f35dfb4355293cdfdc48f49e895c15f1333d1"
+dependencies = [
+ "rust-embed-impl",
+ "rust-embed-utils",
+ "walkdir",
+]
+
+[[package]]
+name = "rust-embed-impl"
+version = "6.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31ab23d42d71fb9be1b643fe6765d292c5e14d46912d13f3ae2815ca048ea04d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "rust-embed-utils",
+ "syn",
+ "walkdir",
+]
+
+[[package]]
+name = "rust-embed-utils"
+version = "7.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1669d81dfabd1b5f8e2856b8bbe146c6192b0ba22162edc738ac0a5de18f054"
+dependencies = [
+ "sha2",
+ "walkdir",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.9"
@@ -1007,6 +1062,15 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
 
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "scoped-tls"
 version = "1.0.1"
@@ -1392,6 +1456,17 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "walkdir"
+version = "2.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
+dependencies = [
+ "same-file",
+ "winapi",
+ "winapi-util",
+]
+
 [[package]]
 name = "want"
 version = "0.3.0"
@@ -1424,6 +1499,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"

lib/Cargo.toml

@@ -3,9 +3,12 @@ name = "raid_manager"
 version = "0.1.0"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
 rocket = {version = "0.5.0-rc.2", features = ["json"]}
 regex = "1"
-lazy_static = "1.4.0"
+lazy_static = "1.4.0"
+include_dir = "0.7.3"
+rust-embed = "6.4.2"
+
+[features]
+static = []

lib/src/embed/mod.rs

@@ -0,0 +1,51 @@
+use std::io::Cursor;
+use rust_embed::RustEmbed;
+use rocket::{Data, Request, Response, Route};
+use rocket::http::{ContentType, Method};
+use rocket::http::uri::{Segments};
+use rocket::http::uri::fmt::Path;
+use rocket::route::{Handler, Outcome};
+
+#[cfg(feature = "static")]
+#[derive(RustEmbed)]
+#[folder = "webroot/"]
+struct Asset;
+
+#[cfg(feature = "static")]
+#[derive(Clone)]
+pub struct CustomHandler {
+}
+
+#[cfg(feature = "static")]
+impl Into<Vec<Route>> for CustomHandler {
+    fn into(self) -> Vec<Route> {
+        vec![
+            Route::ranked(-2, Method::Get, "/<path..>", self),
+        ]
+    }
+}
+
+#[cfg(feature = "static")]
+#[rocket::async_trait]
+impl Handler for CustomHandler {
+    async fn handle<'r>(&self, request: &'r Request<'_>, _: Data<'r>) -> Outcome<'r> {
+        let path = request.segments::<Segments<'_, Path>>(0..).ok()
+            .and_then(|segments| segments.to_path_buf(true).ok()).unwrap();
+
+        let path = if path.is_dir() || path.to_str() == Some("") {
+            path.join("index.html")
+        } else {
+            path
+        };
+
+        let file_content =
+            <Asset as RustEmbed>::get(path.to_string_lossy().as_ref()).unwrap();
+        let content_type: ContentType = path
+            .extension()
+            .map(|x| x.to_string_lossy())
+            .and_then(|x| ContentType::from_extension(&x))
+            .unwrap_or(ContentType::Plain);
+        let rsp = Response::build().header(content_type).sized_body(file_content.data.len(), Cursor::new(file_content.data)).finalize();
+        Outcome::Success(rsp)
+    }
+}

lib/src/main.rs

@@ -1,9 +1,13 @@
-mod parser;
-
 #[macro_use]
 extern crate rocket;
 
+mod parser;
+#[cfg(feature = "static")]
+mod embed;
+
 use rocket::serde::json::Json;
+#[cfg(feature = "static")]
+use crate::embed::CustomHandler;
 use crate::parser::lsblk_parser::{Disk, parse_lsblk};
 use crate::parser::mdstat_parser::{MdRaidSystem, parse_mdstat};
 
@@ -20,10 +24,10 @@ fn get_disks() -> Json<Vec<Disk>> {
 #[rocket::main]
 async fn main() -> Result<(), rocket::Error> {
     println!("init");
-    let _rocket = rocket::build()
-        .mount("/api", routes![get_raid_devices, get_disks])
-        .launch()
-        .await?;
-
+    let b = rocket::build();
+    let b = b.mount("/api", routes![get_raid_devices, get_disks]);
+    #[cfg(feature = "static")]
+    let b = b.mount("/", CustomHandler{});
+    let _rocket = b.launch().await?;
     Ok(())
 }