feat(redirect): automatic redirects (#1429)

* feat(redirect): basic project setup

* feat(redirect): simple redirect service

* feat(git): update .gitignore

* feat(redirect): rewrote redirect to axum

* chore(redirect): simplification and formatting

* feat(redirect): added Dockerfile

* feat(actions): deploy redirect action

.github/workflows/deploy_redirect.yml

@@ -0,0 +1,33 @@
+name: Deploy redirect
+
+on:
+  workflow_dispatch:
+
+env:
+  PROJECT_ID: ${{ secrets.BETA_PROD_ID }}
+  RUN_REGION: ${{ secrets.BETA_RUN_REGION }}
+
+jobs:
+  deploy-prod:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: redirect
+    steps:
+      - uses: actions/checkout@v3
+      - uses: "google-github-actions/auth@v1"
+        with:
+          credentials_json: "${{ secrets.DEPLOY_BETA_PROD }}"
+
+      - name: "Set up Cloud SDK"
+        uses: "google-github-actions/setup-gcloud@v1"
+        with:
+          version: ">= 363.0.0"
+          project_id: "${{ secrets.BETA_PROD_ID }}"
+
+      - name: "Build container image"
+        run: "gcloud builds submit --tag eu.gcr.io/$PROJECT_ID/redirect:$GITHUB_SHA"
+      - name: "Deploy"
+        run: >
+          gcloud run deploy redirect --image eu.gcr.io/$PROJECT_ID/redirect:$GITHUB_SHA
+          --region $RUN_REGION --service-account="[email protected]" --allow-unauthenticated

flake.nix

@@ -0,0 +1,36 @@
+{
+  description = "tavla dev env";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }:
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+    in
+    {
+
+      devShells.${system}.default =
+        pkgs.mkShell
+          {
+            buildInputs = with pkgs; [
+              rustc
+              cargo
+              rust-analyzer
+              clippy
+              rustfmt
+
+              # Tavla
+              yarn
+              openjdk19
+              nodejs
+              nodePackages.prettier
+              nodePackages.eslint
+              nodePackages.typescript-language-server
+            ];
+          };
+
+    };
+}

redirect/.dockerignore

@@ -0,0 +1,2 @@
+target/
+Dockerfile

redirect/.gitignore

@@ -0,0 +1,14 @@
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb

redirect/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "redirect"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tokio = {version = "1.36.0", features = ["full"] }
+hyper = {version = "1.1.0", features = ["full"]}
+axum = "0.7.4"
+tower = {version = "0.4.13", features = ['make']}

redirect/Dockerfile

@@ -0,0 +1,14 @@
+FROM messense/rust-musl-cross:x86_64-musl AS builder
+
+WORKDIR /redirect
+
+COPY . .
+
+RUN cargo build --release --target x86_64-unknown-linux-musl
+
+FROM alpine:3.18 AS runner
+
+COPY --from=builder /redirect/target/x86_64-unknown-linux-musl/release/redirect /redirect
+
+EXPOSE 3000
+CMD ["/redirect"]

redirect/rustfmt.toml

@@ -0,0 +1 @@
+edition = "2018"

redirect/src/main.rs

@@ -0,0 +1,21 @@
+use axum::{extract::Request, handler::HandlerWithoutStateExt, response::Redirect};
+use tokio::net::TcpListener;
+
+#[tokio::main]
+async fn main() {
+    let host = std::env::var("HOST").unwrap_or("0.0.0.0".to_string());
+    let port = std::env::var("PORT").unwrap_or("3000".to_string());
+
+    let listener = TcpListener::bind(format!("{}:{}", host, port))
+        .await
+        .unwrap();
+
+    axum::serve(listener, tower::make::Shared::new(redirect.into_service()))
+        .await
+        .unwrap();
+}
+
+async fn redirect(request: Request) -> Redirect {
+    let target = std::env::var("TARGET").unwrap_or("https://tavla.entur.no".to_string());
+    Redirect::temporary(format!("{}{}", target, request.uri()).as_str())
+}