fix: startup uneasyness

Cross.toml

@@ -0,0 +1,38 @@
+# Local cross-compile config for dec-bench harness tests.
+# CI uses manylinux_2_28 directly; this is the convenience path for
+# `cross build --target aarch64-unknown-linux-gnu -p moose-cli`.
+[build.env]
+# Tell openssl-sys to skip the vendored build (it strips deprecated symbols
+# like SSL_get_peer_certificate that librdkafka still calls) and link the
+# system OpenSSL 1.1 inside the container instead. OPENSSL_NO_VENDOR is the
+# documented opt-out for the `vendored` feature — it keeps moose-cli's
+# Cargo.toml unchanged so regular native builds keep vendoring.
+passthrough = [
+  "OPENSSL_NO_VENDOR",
+  "OPENSSL_LIB_DIR",
+  "OPENSSL_INCLUDE_DIR",
+  "OPENSSL_STATIC",
+]
+
+[target.aarch64-unknown-linux-gnu]
+# The pinned 0.2.5 image ships libssl 1.0.0, which lacks SSL_get_peer_certificate
+# as an exported symbol and fails librdkafka's final link. `:main` is Ubuntu
+# 20.04 with libssl 1.1.1, which has the symbol.
+image = "ghcr.io/cross-rs/aarch64-unknown-linux-gnu:main"
+# cross's /opt/toolchain.cmake pins CMAKE_FIND_ROOT_PATH to /usr/aarch64-linux-gnu
+# (sysroot layout), but apt multiarch installs arm64 libs to
+# /usr/lib/aarch64-linux-gnu (Debian layout). rdkafka-sys's cmake build of
+# librdkafka does FIND_PACKAGE(ZLIB) / FIND_PACKAGE(OpenSSL) and can't see
+# across that gap — so we symlink the multiarch lib/headers into the sysroot.
+pre-build = [
+  "dpkg --add-architecture arm64",
+  "apt-get update",
+  "apt-get install -y --no-install-recommends protobuf-compiler libprotobuf-dev cmake pkg-config zlib1g-dev:arm64 libssl-dev:arm64",
+  "mkdir -p /usr/aarch64-linux-gnu/lib /usr/aarch64-linux-gnu/include",
+  "ln -sf /usr/lib/aarch64-linux-gnu/libz.so /usr/aarch64-linux-gnu/lib/libz.so",
+  "ln -sf /usr/lib/aarch64-linux-gnu/libz.a /usr/aarch64-linux-gnu/lib/libz.a",
+  "ln -sf /usr/include/zlib.h /usr/aarch64-linux-gnu/include/zlib.h",
+  "ln -sf /usr/include/zconf.h /usr/aarch64-linux-gnu/include/zconf.h",
+  "for f in libssl.so libssl.a libcrypto.so libcrypto.a; do ln -sf /usr/lib/aarch64-linux-gnu/$f /usr/aarch64-linux-gnu/lib/$f; done",
+  "ln -sfn /usr/include/openssl /usr/aarch64-linux-gnu/include/openssl",
+]

apps/framework-cli/src/cli/local_webserver.rs

@@ -571,26 +571,111 @@ async fn get_consumption_api_res(
         let _ = execute!(std::io::stdout(), Print(msg + "\n"));
     }
 
-    let mut client_req = reqwest::Request::new(req.method().clone(), url.parse()?);
+    // Capture method + headers up front so we can rebuild the reqwest::Request
+    // across retry attempts (reqwest::Request isn't Clone when building via
+    // reqwest::Request::new). Only GET requests are proxied here and they
+    // carry no body, so rebuild-per-attempt is cheap.
+    let method = req.method().clone();
+    let hdrs: Vec<(hyper::http::HeaderName, hyper::http::HeaderValue)> = req
+        .headers()
+        .iter()
+        .map(|(k, v)| (k.clone(), v.clone()))
+        .collect();
+    let url_parsed: reqwest::Url = url.parse()?;
+
+    // Retry only on genuine connect errors — these are the hot-reload window
+    // (consumption-api primary restarting → :proxy_port momentarily closed).
+    // Other failures (timeouts, TLS errors, 5xx from upstream) surface once.
+    const MAX_ATTEMPTS: usize = 3;
+    const BACKOFF_MS: [u64; 2] = [150, 400]; // applied between attempts 1→2 and 2→3
+
+    let mut last_connect_err: Option<reqwest::Error> = None;
+    for attempt in 0..MAX_ATTEMPTS {
+        let mut client_req = reqwest::Request::new(method.clone(), url_parsed.clone());
+        let req_headers = client_req.headers_mut();
+        for (k, v) in hdrs.iter() {
+            req_headers.insert(k, v.clone());
+        }
 
-    // Copy headers
-    let headers = client_req.headers_mut();
-    for (key, value) in req.headers() {
-        headers.insert(key, value.clone());
+        match http_client.execute(client_req).await {
+            Ok(res) => {
+                let status = res.status();
+                let body = res.bytes().await?;
+                return Ok(add_cors_headers(Response::builder())
+                    .status(status)
+                    .header("Content-Type", "application/json")
+                    .body(Full::new(body))
+                    .unwrap());
+            }
+            Err(e) if is_connect_error(&e) => {
+                debug!(
+                    "consumption proxy connect error on attempt {}/{}: {}",
+                    attempt + 1,
+                    MAX_ATTEMPTS,
+                    e
+                );
+                last_connect_err = Some(e);
+                if let Some(&ms) = BACKOFF_MS.get(attempt) {
+                    tokio::time::sleep(std::time::Duration::from_millis(ms)).await;
+                    continue;
+                }
+                // No more attempts left.
+                break;
+            }
+            Err(e) => {
+                // Non-connect error: bail immediately, preserving existing
+                // behavior (caller turns this into 500 "Error").
+                return Err(e.into());
+            }
+        }
     }
 
-    // Send request
-    let res = http_client.execute(client_req).await?;
-    let status = res.status();
-    let body = res.bytes().await?;
-
-    let returned_response = add_cors_headers(Response::builder())
-        .status(status)
+    // All retries exhausted with connect errors — return a structured 503 so
+    // agents can reason about this as a transient hot-reload window instead
+    // of an ambiguous 500. Retry-After tells well-behaved clients to try
+    // again shortly.
+    let body = serde_json::json!({
+        "error": "consumption_api_unavailable",
+        "retryable": true,
+        "message": format!(
+            "Consumption API is temporarily unavailable (restarting on hot reload). \
+             Retry shortly. Attempts: {}/{}.",
+            MAX_ATTEMPTS, MAX_ATTEMPTS
+        ),
+        "upstream_error": last_connect_err.as_ref().map(|e| e.to_string()),
+    });
+    Ok(add_cors_headers(Response::builder())
+        .status(StatusCode::SERVICE_UNAVAILABLE)
         .header("Content-Type", "application/json")
-        .body(Full::new(body))
-        .unwrap();
+        .header("Retry-After", "1")
+        .body(Full::new(Bytes::from(body.to_string())))?)
+}
+
+/// Classify a reqwest error as a pure connect-failure (server not accepting
+/// connections) vs anything else. Connect errors are the hot-reload race
+/// signature and the only case we want to retry — timeouts / TLS / upstream
+/// 5xx are surfaced directly.
+fn is_connect_error(e: &reqwest::Error) -> bool {
+    use std::error::Error as _;
 
-    Ok(returned_response)
+    if e.is_connect() {
+        return true;
+    }
+    // reqwest wraps hyper wraps std::io::Error; walk the source chain.
+    let mut src: Option<&(dyn std::error::Error + 'static)> = e.source();
+    while let Some(err) = src {
+        if let Some(io_err) = err.downcast_ref::<std::io::Error>() {
+            use std::io::ErrorKind::*;
+            if matches!(
+                io_err.kind(),
+                ConnectionRefused | ConnectionReset | ConnectionAborted | NotConnected
+            ) {
+                return true;
+            }
+        }
+        src = err.source();
+    }
+    false
 }
 
 #[derive(Clone)]
@@ -2698,7 +2783,11 @@ impl Webserver {
             .await
             .unwrap_or_else(|e| handle_listener_err(management_socket.port(), e));
 
-        // Check if proxy port is available
+        // Defense in depth: quick bind-and-drop on proxy_port so Docker-mode
+        // users get a clear error before the Node worker spawns. The
+        // --dockerless path also runs a structured preflight in
+        // NativeInfraProvider::start that covers this port alongside the
+        // embedded-infra ports.
         let proxy_socket = self.get_socket(project.http_server_config.proxy_port).await;
         TcpListener::bind(proxy_socket)
             .await

apps/framework-cli/src/infrastructure/processes/consumption_registry.rs

@@ -1,7 +1,10 @@
 use std::collections::HashMap;
+use std::net::TcpListener;
 use std::path::PathBuf;
+use std::thread;
+use std::time::{Duration, Instant};
 
-use tracing::{info, instrument};
+use tracing::{info, instrument, warn};
 
 use crate::cli::logger::{context, resource_type};
 use crate::utilities::system::{RestartPolicy, RestartingProcess, StartChildFn};
@@ -78,6 +81,20 @@ impl ConsumptionProcessRegistry {
         let jwt_config = self.jwt_config.clone();
         let proxy_port = self.proxy_port;
 
+        // Hot-reload race mitigation: when ConsumptionApiWebServer::Updated
+        // fires, we call stop() then start() back-to-back. The prior Node
+        // primary's workers drain connections asynchronously, so :proxy_port
+        // may still be held by the kernel when the new primary tries to
+        // fork workers — every new worker's listen() then fails EADDRINUSE
+        // and the cluster enters a retry storm.
+        //
+        // Here we wait until we can successfully bind the port ourselves
+        // (releasing it immediately after). That proves the old listener is
+        // gone, so the next process's listen() will succeed cleanly.
+        if let Some(port) = proxy_port {
+            wait_for_port_free("127.0.0.1", port);
+        }
+
         let start_child: StartChildFn<ConsumptionError> = match self.language {
             SupportedLanguages::Python => Box::new(move || {
                 python::consumption::run(
@@ -132,3 +149,33 @@ impl ConsumptionProcessRegistry {
         Ok(())
     }
 }
+
+/// Block (briefly) until `host:port` is bindable, i.e. any prior listener
+/// has fully released it. Polls every 100ms up to 5s. Non-fatal: on timeout
+/// we log a warning and return so the caller can still attempt the spawn —
+/// the Node-side `server.on('error')` handler will catch a lingering
+/// EADDRINUSE and the cluster's restart path will recover.
+fn wait_for_port_free(host: &str, port: u16) {
+    const INTERVAL: Duration = Duration::from_millis(100);
+    const TIMEOUT: Duration = Duration::from_secs(5);
+
+    let deadline = Instant::now() + TIMEOUT;
+    loop {
+        // A successful bind here proves the port is free. The TcpListener is
+        // dropped at end of this scope, releasing the port for the real
+        // owner to grab a few ms later. Using SO_REUSEADDR (Rust default on
+        // Linux) means the subsequent bind by the Node worker won't be
+        // blocked by our brief hold.
+        match TcpListener::bind((host, port)) {
+            Ok(_) => return,
+            Err(_) if Instant::now() < deadline => thread::sleep(INTERVAL),
+            Err(e) => {
+                warn!(
+                    "consumption-api: port {port} still held after {TIMEOUT:?} ({e}); \
+                     continuing — Node-side error handler will manage the retry"
+                );
+                return;
+            }
+        }
+    }
+}

apps/framework-cli/src/utilities/native_infra/errors.rs

@@ -100,4 +100,7 @@ pub enum NativeInfraError {
 
     #[error("health check failed for {service}: {reason}")]
     HealthCheck { service: String, reason: String },
+
+    #[error("{0}")]
+    PortConflict(#[from] super::preflight::PortConflictError),
 }

apps/framework-cli/src/utilities/native_infra/mod.rs

@@ -3,6 +3,7 @@ pub mod clickhouse;
 pub mod devkafka;
 pub mod devredis;
 pub mod errors;
+pub mod preflight;
 pub mod temporal;
 
 use crate::cli::display::{with_spinner_completion, with_timing, Message};
@@ -126,6 +127,19 @@ impl InfraProvider for NativeInfraProvider {
     }
 
     fn start(&self, project: &Project) -> Result<(), RoutineFailure> {
+        // Preflight: surface EADDRINUSE in a single actionable message before
+        // anything starts. Prevents the Node consumption worker from entering
+        // an unbounded restart loop when a prior `moose dev --dockerless` is
+        // still holding ports 4001 / 6379 / 19092.
+        let specs = preflight::port_specs_for(
+            project,
+            self.scripts_enabled,
+            /* include_webserver = */ true,
+        );
+        preflight::check_ports(&specs, &preflight::native_dir_for(project))
+            .map_err(NativeInfraError::from)
+            .map_err(Self::map_native_err)?;
+
         // Start embedded devredis (Redis needed early for leadership/presence)
         let devredis_handle = with_timing("Start devredis", || {
             with_spinner_completion(