systemdify this

Signed-off-by: Christine Dodrill <me@christine.website>

.github/workflows/nix.yml

@@ -16,24 +16,3 @@ jobs:
         with:
           name: xe
       - run: nix-build --no-out-link
-      - name: Log into GitHub Container Registry
-        if: github.ref == 'refs/heads/main'
-        run: echo "${{ secrets.CR_PAT }}" | docker login https://ghcr.io -u Xe --password-stdin
-      - name: Docker push
-        if: github.ref == 'refs/heads/main'
-        run: |
-          nix-build ./docker.nix
-          docker load -i result
-          docker tag xena/christinewebsite:latest ghcr.io/xe/site:$GITHUB_SHA
-          docker push ghcr.io/xe/site
-      - name: deploy
-        if: github.ref == 'refs/heads/main'
-        run: ./scripts/release.sh
-        env:
-          DIGITALOCEAN_ACCESS_TOKEN: ${{ secrets.DIGITALOCEAN_TOKEN }}
-          MI_TOKEN: ${{ secrets.MI_TOKEN }}
-          PATREON_ACCESS_TOKEN: ${{ secrets.PATREON_ACCESS_TOKEN }}
-          PATREON_CLIENT_ID: ${{ secrets.PATREON_CLIENT_ID }}
-          PATREON_CLIENT_SECRET: ${{ secrets.PATREON_CLIENT_SECRET }}
-          PATREON_REFRESH_TOKEN: ${{ secrets.PATREON_REFRESH_TOKEN }}
-          DHALL_PRELUDE: https://raw.githubusercontent.com/dhall-lang/dhall-lang/v17.0.0/Prelude/package.dhall 

Cargo.lock

@@ -1874,6 +1874,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
+[[package]]
+name = "sdnotify"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71ce7eac2075a4562fbcbad544cd55d72ebc760e0a5594a7c8829cf2b4b42a7a"
+
 [[package]]
 name = "security-framework"
 version = "2.0.0"
@@ -2783,6 +2789,7 @@ dependencies = [
  "rand 0.7.3",
  "reqwest",
  "ructe",
+ "sdnotify",
  "serde",
  "serde_dhall",
  "serde_json",

Cargo.toml

@@ -21,6 +21,7 @@ log = "0.4"
 mime = "0.3.0"
 prometheus = { version = "0.10", default-features = false, features = ["process"] }
 rand = "0"
+sdnotify = { version = "0.1", default-features = false }
 serde_dhall = "0.8.0"
 serde = { version = "1", features = ["derive"] }
 serde_yaml = "0.8"

src/build.rs

@@ -4,7 +4,10 @@ use std::process::Command;
 fn main() -> Result<()> {
     Ructe::from_env()?.compile_templates("templates")?;
 
-    let output = Command::new("git").args(&["rev-parse", "HEAD"]).output().unwrap();
+    let output = Command::new("git")
+        .args(&["rev-parse", "HEAD"])
+        .output()
+        .unwrap();
     let git_hash = String::from_utf8(output.stdout).unwrap();
     println!("cargo:rustc-env=GITHUB_SHA={}", git_hash);
     Ok(())

src/main.rs

@@ -1,3 +1,6 @@
+#[macro_use]
+extern crate tracing;
+
 use color_eyre::eyre::Result;
 use hyper::{header::CONTENT_TYPE, Body, Response};
 use prometheus::{Encoder, TextEncoder};
@@ -24,7 +27,7 @@ async fn main() -> Result<()> {
     color_eyre::install()?;
     let _ = kankyo::init();
     tracing_subscriber::fmt::init();
-    log::info!("starting up commit {}", env!("GITHUB_SHA"));
+    info!("starting up commit {}", env!("GITHUB_SHA"));
 
     let state = Arc::new(
         app::init(
@@ -161,7 +164,21 @@ async fn main() -> Result<()> {
         .with(warp::log(APPLICATION_NAME))
         .recover(handlers::rejection);
 
-    warp::serve(site).run(([0, 0, 0, 0], 3030)).await;
+    if let Ok(ref mut n) = sdnotify::SdNotify::from_env() {
+        let _ = n
+            .notify_ready()
+            .map_err(|why| error!("can't signal readiness to systemd: {}", why));
+    }
+
+    warp::serve(site)
+        .run((
+            [0, 0, 0, 0],
+            std::env::var("PORT")
+                .unwrap_or("3030".into())
+                .parse::<u16>()
+                .unwrap(),
+        ))
+        .await;
 
     Ok(())
 }