mirror of
https://github.com/NousResearch/hermes-agent.git
synced 2026-06-09 08:21:50 +00:00
810e5864db
Both installers (Electron bootstrap-runner + Tauri) hardcoded a literal `stderr: ` prefix onto every line that arrived on fd 2. Tools like uv/pip/git/npm write normal progress to stderr by design, so routine install output showed up tagged as "stderr" (and rendered red in the Tauri progress UI), making a healthy install look like it was erroring. Carry the stream as structured metadata (`stream: 'stdout' | 'stderr'`) on the log event instead of mangling the line text. The UI now styles stderr subtly (dimmed) rather than alarmingly, and the persistent forensic logs keep their stdout/stderr distinction.
744 lines
25 KiB
Rust
744 lines
25 KiB
Rust
//! Bootstrap orchestration.
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//!
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//! Direct port of `runBootstrap` from `apps/desktop/electron/bootstrap-runner.cjs`.
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//! Drives install.ps1 / install.sh stage-by-stage, emits progress events
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//! over the Tauri `bootstrap` channel, writes a forensic log to
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//! HERMES_HOME/logs/bootstrap-<timestamp>.log.
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//!
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//! Lifecycle:
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//! 1. `start_bootstrap` (Tauri command) → spawns the worker task.
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//! 2. Worker resolves install script (dev/cache/download).
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//! 3. Worker calls `install.ps1 -Manifest` → emits `manifest` event.
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//! 4. Worker iterates stages, calling `install.ps1 -Stage NAME -NonInteractive -Json`.
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//! 5. On success → `complete`. On any stage failure → `failed`. On cancel → `failed`.
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use std::path::PathBuf;
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use std::sync::Arc;
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use std::time::Instant;
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use anyhow::{anyhow, Result};
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use serde::{Deserialize, Serialize};
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use tauri::{AppHandle, Emitter, State};
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use tokio::sync::{mpsc, Mutex};
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use crate::events::{BootstrapEvent, LogStream, Manifest, StageState};
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use crate::install_script::{self, Pin, ScriptKind, ScriptSource};
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use crate::powershell::{self, StreamSink};
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use crate::AppState;
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// ---------------------------------------------------------------------------
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// Public Tauri commands
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// ---------------------------------------------------------------------------
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/// Frontend → Rust: kick off the install.
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#[derive(Debug, Deserialize)]
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pub struct StartBootstrapArgs {
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/// Optional override for the commit pin. Defaults to the build-time
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/// pin baked in via `BUILD_PIN_COMMIT`.
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pub commit: Option<String>,
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/// Optional override for the branch pin. Defaults to `BUILD_PIN_BRANCH`.
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pub branch: Option<String>,
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/// Include Stage-Desktop (build apps/desktop) in the manifest. The
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/// signed bootstrap installer passes true; the deprecated Electron-side
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/// bootstrap-runner passes false to avoid building-while-running.
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#[serde(default = "default_true")]
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pub include_desktop: bool,
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/// Optional override for HERMES_HOME. Tests use this; production
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/// almost always falls back to the OS default.
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pub hermes_home: Option<String>,
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}
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fn default_true() -> bool {
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true
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}
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#[derive(Debug, Serialize)]
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pub struct BootstrapStatus {
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pub running: bool,
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pub completed: bool,
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pub install_root: Option<String>,
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pub last_error: Option<String>,
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}
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/// Handle stored in AppState while a bootstrap run is in flight. Carries
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/// the cancellation channel and the most recent terminal status so the
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/// frontend can re-query after a window refresh.
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pub struct BootstrapHandle {
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pub cancel_tx: mpsc::Sender<()>,
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pub started_at: Instant,
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pub status: BootstrapStatus,
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}
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#[tauri::command]
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pub async fn start_bootstrap(
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app: AppHandle,
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state: State<'_, Arc<AppState>>,
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args: StartBootstrapArgs,
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) -> Result<(), String> {
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let mut guard = state.bootstrap.lock().await;
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if let Some(h) = guard.as_ref() {
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if h.status.running {
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return Err("Bootstrap is already running".into());
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}
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}
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let (cancel_tx, cancel_rx) = mpsc::channel::<()>(1);
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let handle = BootstrapHandle {
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cancel_tx,
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started_at: Instant::now(),
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status: BootstrapStatus {
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running: true,
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completed: false,
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install_root: None,
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last_error: None,
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},
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};
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*guard = Some(handle);
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drop(guard);
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let app_for_task = app.clone();
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let state_for_task = state.inner().clone();
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let args_for_task = args;
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let cancel_rx = Arc::new(Mutex::new(Some(cancel_rx)));
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tokio::spawn(async move {
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let result = run_bootstrap(app_for_task.clone(), args_for_task, cancel_rx).await;
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// Reflect terminal state into AppState so get_bootstrap_status()
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// can serve it after the task exits.
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let mut guard = state_for_task.bootstrap.lock().await;
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if let Some(h) = guard.as_mut() {
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h.status.running = false;
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match &result {
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Ok(install_root) => {
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h.status.completed = true;
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h.status.install_root = Some(install_root.clone());
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h.status.last_error = None;
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}
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Err(err) => {
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h.status.completed = false;
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h.status.last_error = Some(err.to_string());
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}
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}
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}
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});
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Ok(())
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}
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#[tauri::command]
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pub async fn cancel_bootstrap(state: State<'_, Arc<AppState>>) -> Result<(), String> {
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let guard = state.bootstrap.lock().await;
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if let Some(h) = guard.as_ref() {
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let _ = h.cancel_tx.try_send(());
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}
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Ok(())
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}
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#[tauri::command]
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pub async fn get_bootstrap_status(
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state: State<'_, Arc<AppState>>,
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) -> Result<BootstrapStatus, String> {
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let guard = state.bootstrap.lock().await;
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Ok(match guard.as_ref() {
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Some(h) => BootstrapStatus {
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running: h.status.running,
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completed: h.status.completed,
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install_root: h.status.install_root.clone(),
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last_error: h.status.last_error.clone(),
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},
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None => BootstrapStatus {
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running: false,
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completed: false,
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install_root: None,
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last_error: None,
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},
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})
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}
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/// Spawn the locally-built Hermes desktop binary, then close the installer
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/// window. Caller resolves the binary path from `install_root`.
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///
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/// Returns Err with a human-readable message if the binary doesn't exist
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/// (e.g. when Stage-Desktop was skipped) so the frontend can present
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/// actionable failure UI rather than silently doing nothing.
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#[tauri::command]
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pub async fn launch_hermes_desktop(
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app: AppHandle,
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install_root: String,
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) -> Result<(), String> {
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let install_root = PathBuf::from(install_root);
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let exe_path = resolve_hermes_desktop_exe(&install_root).ok_or_else(|| {
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format!(
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"Couldn't find a built Hermes desktop at {}. The desktop build step \
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may have been skipped or failed. Run `hermes desktop` from a \
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terminal to build and launch it.",
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install_root.join("apps").join("desktop").join("release").display()
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)
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})?;
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tracing::info!(?exe_path, "launching Hermes desktop");
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// Detach from us — the installer is about to exit.
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let mut cmd = tokio::process::Command::new(&exe_path);
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cmd.current_dir(exe_path.parent().unwrap_or(&install_root));
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#[cfg(target_os = "windows")]
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{
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use std::os::windows::process::CommandExt;
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// DETACHED_PROCESS = 0x00000008
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cmd.creation_flags(0x0000_0008);
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}
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cmd.spawn().map_err(|e| {
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format!(
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"failed to launch {}: {e}",
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exe_path.display()
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)
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})?;
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// Give Windows ~150ms to actually start the new process before we exit.
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tokio::time::sleep(std::time::Duration::from_millis(150)).await;
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// Exit the installer cleanly. Tauri's process plugin gives us the
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// right hook regardless of platform.
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app.exit(0);
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Ok(())
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}
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/// Walks the well-known electron-builder unpacked-app paths under
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/// `install_root`. Mirrors the resolver in `cmd_gui` (apps/desktop/release/
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/// <os>-unpacked/<exe>).
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pub(crate) fn resolve_hermes_desktop_exe(install_root: &std::path::Path) -> Option<PathBuf> {
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let release_dir = install_root.join("apps").join("desktop").join("release");
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let candidates: &[(&str, &str)] = if cfg!(target_os = "windows") {
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&[
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("win-unpacked", "Hermes.exe"),
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("win-arm64-unpacked", "Hermes.exe"),
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]
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} else if cfg!(target_os = "macos") {
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&[
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("mac/Hermes.app/Contents/MacOS", "Hermes"),
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("mac-arm64/Hermes.app/Contents/MacOS", "Hermes"),
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]
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} else {
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&[("linux-unpacked", "hermes")]
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};
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for (subdir, exe) in candidates {
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let p = release_dir.join(subdir).join(exe);
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if p.exists() {
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return Some(p);
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}
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}
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None
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}
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/// True when a prior install completed (bootstrap-complete marker present) AND a
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/// launchable desktop app exists on disk. Used by the installer's launcher fast
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/// path so a bare re-open just opens Hermes instead of re-running setup.
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pub(crate) fn hermes_is_installed(install_root: &std::path::Path) -> bool {
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install_root.join(".hermes-bootstrap-complete").exists()
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&& resolve_hermes_desktop_exe(install_root).is_some()
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}
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/// Spawn the already-built desktop app, detached. Returns Err if no built app
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/// exists or the spawn fails, so the caller can fall back to showing the
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/// installer UI.
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pub(crate) fn spawn_installed_desktop(install_root: &std::path::Path) -> std::io::Result<()> {
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let exe = resolve_hermes_desktop_exe(install_root).ok_or_else(|| {
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std::io::Error::new(std::io::ErrorKind::NotFound, "no built Hermes desktop app")
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})?;
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let mut cmd = std::process::Command::new(&exe);
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cmd.current_dir(exe.parent().unwrap_or(install_root));
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#[cfg(target_os = "windows")]
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{
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use std::os::windows::process::CommandExt;
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// DETACHED_PROCESS = 0x00000008 — keep the desktop alive after the
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// installer exits, mirroring launch_hermes_desktop. Kept correct here
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// even though the only caller is macOS-gated today, so future reuse on
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// Windows doesn't reintroduce the relaunch race.
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cmd.creation_flags(0x0000_0008);
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}
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cmd.spawn().map(|_child| ())
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}
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// ---------------------------------------------------------------------------
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// Bootstrap implementation
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// ---------------------------------------------------------------------------
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async fn run_bootstrap(
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app: AppHandle,
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args: StartBootstrapArgs,
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cancel_rx_holder: Arc<Mutex<Option<mpsc::Receiver<()>>>>,
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) -> Result<String> {
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let kind = ScriptKind::for_current_os();
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let pin = Pin {
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commit: args.commit.or_else(|| option_env_string("BUILD_PIN_COMMIT")),
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branch: args.branch.or_else(|| option_env_string("BUILD_PIN_BRANCH")),
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};
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tracing::info!(
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?pin,
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kind = ?kind,
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include_desktop = args.include_desktop,
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"bootstrap starting"
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);
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let app_for_log = app.clone();
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let emit_log = move |line: &str| {
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emit_event(
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&app_for_log,
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BootstrapEvent::Log {
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stage: None,
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line: line.to_string(),
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stream: LogStream::Stdout,
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},
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);
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// Bump to info-level so the line shows in bootstrap-installer.log
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// under the default INFO filter. Previously this was debug! which
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// got dropped on the floor, leaving us blind whenever install.ps1
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// failed — the log only had the "bootstrap starting" banner.
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tracing::info!(target: "bootstrap.log", "{line}");
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};
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// 1. Resolve install.ps1
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let script = install_script::resolve(kind, &pin, &emit_log)
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.await
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.map_err(|e| {
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let msg = format!("resolve install script failed: {e:#}");
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emit_event(
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&app,
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BootstrapEvent::Failed {
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stage: None,
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error: msg.clone(),
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},
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);
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anyhow!(msg)
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})?;
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let source_note = match &script.source {
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ScriptSource::DevCheckout => "dev checkout",
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ScriptSource::Bundled => "bundled",
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ScriptSource::Cached => "cached",
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ScriptSource::Downloaded => "downloaded",
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};
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emit_log(&format!(
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"[bootstrap] script {} via {}",
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script.path.display(),
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source_note
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));
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// 2. Fetch manifest
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//
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// -IncludeDesktop MUST be passed to the manifest call too — install.ps1
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// gates the desktop stage inclusion on this flag, so without it here
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// the manifest comes back missing the desktop stage and we never run
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// it. The per-stage call below also passes -IncludeDesktop to keep
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// the contracts identical.
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let manifest_args = build_pin_args(&script);
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let mut manifest_args_full = vec!["-Manifest".to_string()];
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manifest_args_full.extend(manifest_args.clone());
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if args.include_desktop {
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manifest_args_full.push("-IncludeDesktop".to_string());
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}
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let manifest_result = run_install_script(
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&app,
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&script.path,
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&manifest_args_full,
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args.hermes_home.as_deref(),
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None,
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Some("__manifest__".to_string()),
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)
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.await?;
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if manifest_result.exit_code != Some(0) {
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let err = format!(
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"install.ps1 -Manifest failed: exit {:?}\n{}",
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manifest_result.exit_code,
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manifest_result.stderr.trim()
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);
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emit_event(
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&app,
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BootstrapEvent::Failed {
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stage: None,
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error: err.clone(),
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},
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);
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return Err(anyhow!(err));
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}
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let manifest: Manifest = powershell::parse_manifest(&manifest_result.stdout).ok_or_else(|| {
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let err = format!(
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"install.ps1 -Manifest produced no parseable JSON payload\n{}",
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truncate(&manifest_result.stdout, 4000)
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);
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emit_event(
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&app,
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BootstrapEvent::Failed {
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stage: None,
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error: err.clone(),
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},
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);
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anyhow!(err)
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})?;
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emit_event(
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&app,
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BootstrapEvent::Manifest {
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stages: manifest.stages.clone(),
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protocol_version: manifest.protocol_version,
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},
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);
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// 3. Iterate stages.
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for stage in &manifest.stages {
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// Skip Stage-Desktop unless explicitly requested. install.ps1 may
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// or may not include it in the manifest depending on the flag we
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// pass, but if it slipped in, gate client-side too.
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if !args.include_desktop && stage.name.eq_ignore_ascii_case("desktop") {
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emit_event(
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&app,
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BootstrapEvent::Stage {
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name: stage.name.clone(),
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state: StageState::Skipped,
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duration_ms: Some(0),
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result: None,
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error: Some("skipped by include_desktop=false".into()),
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},
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);
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continue;
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}
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if cancellation_signalled(&cancel_rx_holder).await {
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let err = "bootstrap cancelled by user".to_string();
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emit_event(
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&app,
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BootstrapEvent::Failed {
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stage: Some(stage.name.clone()),
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error: err.clone(),
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},
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);
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return Err(anyhow!(err));
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}
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let started = Instant::now();
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emit_event(
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&app,
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BootstrapEvent::Stage {
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name: stage.name.clone(),
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state: StageState::Running,
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duration_ms: None,
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result: None,
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error: None,
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},
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);
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let mut stage_args = vec![
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"-Stage".to_string(),
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stage.name.clone(),
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"-NonInteractive".to_string(),
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"-Json".to_string(),
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];
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stage_args.extend(manifest_args.clone());
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if args.include_desktop {
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stage_args.push("-IncludeDesktop".to_string());
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}
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// Each stage gets its own cancel receiver because tokio::select!
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// in run_script consumes it. Take/return through the Arc<Mutex>.
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let local_cancel_rx = cancel_rx_holder.lock().await.take();
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let stage_result = run_install_script(
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&app,
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&script.path,
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&stage_args,
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args.hermes_home.as_deref(),
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local_cancel_rx,
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Some(stage.name.clone()),
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)
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.await?;
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let duration_ms = started.elapsed().as_millis() as u64;
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|
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if stage_result.killed {
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emit_event(
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&app,
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BootstrapEvent::Stage {
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name: stage.name.clone(),
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state: StageState::Failed,
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duration_ms: Some(duration_ms),
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result: None,
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error: Some("cancelled by user".into()),
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},
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);
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emit_event(
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&app,
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BootstrapEvent::Failed {
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stage: Some(stage.name.clone()),
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error: "cancelled by user".into(),
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},
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);
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return Err(anyhow!("cancelled by user"));
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}
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|
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let result_frame = powershell::parse_stage_result(&stage_result.stdout);
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|
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match result_frame {
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None => {
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let err = format!(
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"install.ps1 -Stage {} produced no JSON result frame (exit={:?})",
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stage.name, stage_result.exit_code
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);
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emit_event(
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&app,
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BootstrapEvent::Stage {
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name: stage.name.clone(),
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state: StageState::Failed,
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duration_ms: Some(duration_ms),
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result: None,
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error: Some(err.clone()),
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},
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);
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emit_event(
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&app,
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BootstrapEvent::Failed {
|
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stage: Some(stage.name.clone()),
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error: err.clone(),
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},
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);
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|
return Err(anyhow!(err));
|
|
}
|
|
Some(frame) if frame.ok && frame.skipped => {
|
|
emit_event(
|
|
&app,
|
|
BootstrapEvent::Stage {
|
|
name: stage.name.clone(),
|
|
state: StageState::Skipped,
|
|
duration_ms: Some(duration_ms),
|
|
result: Some(frame),
|
|
error: None,
|
|
},
|
|
);
|
|
}
|
|
Some(frame) if frame.ok => {
|
|
emit_event(
|
|
&app,
|
|
BootstrapEvent::Stage {
|
|
name: stage.name.clone(),
|
|
state: StageState::Succeeded,
|
|
duration_ms: Some(duration_ms),
|
|
result: Some(frame),
|
|
error: None,
|
|
},
|
|
);
|
|
}
|
|
Some(frame) => {
|
|
let err = frame
|
|
.reason
|
|
.clone()
|
|
.unwrap_or_else(|| format!("exit code {:?}", stage_result.exit_code));
|
|
emit_event(
|
|
&app,
|
|
BootstrapEvent::Stage {
|
|
name: stage.name.clone(),
|
|
state: StageState::Failed,
|
|
duration_ms: Some(duration_ms),
|
|
result: Some(frame),
|
|
error: Some(err.clone()),
|
|
},
|
|
);
|
|
emit_event(
|
|
&app,
|
|
BootstrapEvent::Failed {
|
|
stage: Some(stage.name.clone()),
|
|
error: err.clone(),
|
|
},
|
|
);
|
|
return Err(anyhow!(err));
|
|
}
|
|
}
|
|
}
|
|
|
|
// 4. Resolve install_root. install.ps1 doesn't (yet) report this back
|
|
// explicitly; we infer it from $HermesHome which Stage-Repository clones
|
|
// the repo INTO at $HermesHome\hermes-agent. Mirrors hermes_constants.
|
|
let hermes_home = args
|
|
.hermes_home
|
|
.clone()
|
|
.unwrap_or_else(|| crate::paths::hermes_home().to_string_lossy().into_owned());
|
|
let install_root = PathBuf::from(&hermes_home).join("hermes-agent");
|
|
|
|
// Copy ourselves to HERMES_HOME/hermes-setup.exe so the desktop app can
|
|
// re-invoke us with `--update` and shortcuts have a stable target. This is
|
|
// a one-shot install concern; an `--update` re-invocation no-ops because
|
|
// we're already running from that path. Best-effort — a failure here must
|
|
// not fail an otherwise-successful install.
|
|
if let Err(err) = crate::paths::copy_self_to_hermes_home() {
|
|
tracing::warn!(?err, "failed to copy installer into HERMES_HOME (non-fatal)");
|
|
emit_log(&format!(
|
|
"[bootstrap] warning: could not stage updater binary: {err}"
|
|
));
|
|
}
|
|
|
|
emit_event(
|
|
&app,
|
|
BootstrapEvent::Complete {
|
|
install_root: install_root.to_string_lossy().into_owned(),
|
|
marker: Some(serde_json::json!({
|
|
"pinnedCommit": pin.commit,
|
|
"pinnedBranch": pin.branch,
|
|
})),
|
|
},
|
|
);
|
|
|
|
Ok(install_root.to_string_lossy().into_owned())
|
|
}
|
|
|
|
async fn cancellation_signalled(holder: &Arc<Mutex<Option<mpsc::Receiver<()>>>>) -> bool {
|
|
let mut guard = holder.lock().await;
|
|
if let Some(rx) = guard.as_mut() {
|
|
rx.try_recv().is_ok()
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
|
|
async fn run_install_script(
|
|
app: &AppHandle,
|
|
script_path: &std::path::Path,
|
|
args: &[String],
|
|
hermes_home_override: Option<&str>,
|
|
cancel_rx: Option<mpsc::Receiver<()>>,
|
|
stage_name: Option<String>,
|
|
) -> Result<powershell::ScriptResult> {
|
|
let app_for_stdout = app.clone();
|
|
let stage_for_stdout = stage_name.clone();
|
|
let app_for_stderr = app.clone();
|
|
let stage_for_stderr = stage_name.clone();
|
|
let stage_for_stdout_log = stage_name.clone();
|
|
let stage_for_stderr_log = stage_name.clone();
|
|
|
|
let sink = StreamSink {
|
|
on_stdout_line: Box::new(move |line: &str| {
|
|
emit_event(
|
|
&app_for_stdout,
|
|
BootstrapEvent::Log {
|
|
stage: stage_for_stdout.clone(),
|
|
line: line.to_string(),
|
|
stream: LogStream::Stdout,
|
|
},
|
|
);
|
|
// Tee to the rolling installer log so we have a persistent
|
|
// record of every install.ps1 line. Without this, the only
|
|
// log evidence of a failure was the Tauri event stream —
|
|
// which gets discarded the moment the failure route mounts.
|
|
match &stage_for_stdout_log {
|
|
Some(name) => {
|
|
tracing::info!(target: "bootstrap.log", stage = %name, "{line}")
|
|
}
|
|
None => tracing::info!(target: "bootstrap.log", "{line}"),
|
|
}
|
|
}),
|
|
on_stderr_line: Box::new(move |line: &str| {
|
|
emit_event(
|
|
&app_for_stderr,
|
|
BootstrapEvent::Log {
|
|
stage: stage_for_stderr.clone(),
|
|
line: line.to_string(),
|
|
stream: LogStream::Stderr,
|
|
},
|
|
);
|
|
// stderr-level lines get warn! so they're visually distinct
|
|
// when scrolling through the log later.
|
|
match &stage_for_stderr_log {
|
|
Some(name) => {
|
|
tracing::warn!(target: "bootstrap.log", stage = %name, "stderr: {line}")
|
|
}
|
|
None => tracing::warn!(target: "bootstrap.log", "stderr: {line}"),
|
|
}
|
|
}),
|
|
};
|
|
|
|
powershell::run_script(script_path, args, sink, hermes_home_override, cancel_rx)
|
|
.await
|
|
.map_err(|e| {
|
|
tracing::error!(?e, "install script invocation failed");
|
|
anyhow!("install script invocation failed: {e:#}")
|
|
})
|
|
}
|
|
|
|
fn build_pin_args(script: &install_script::ResolvedScript) -> Vec<String> {
|
|
let mut out = Vec::new();
|
|
if let Some(c) = &script.commit {
|
|
out.push("-Commit".to_string());
|
|
out.push(c.clone());
|
|
}
|
|
if let Some(b) = &script.branch {
|
|
out.push("-Branch".to_string());
|
|
out.push(b.clone());
|
|
}
|
|
out
|
|
}
|
|
|
|
fn emit_event(app: &AppHandle, event: BootstrapEvent) {
|
|
// Tee important state transitions to the rolling installer log so
|
|
// bootstrap-installer.log isn't just "starting" + final summary.
|
|
// Log lines (the noisy stuff) handle their own tracing in
|
|
// run_install_script's sink; here we cover the lifecycle frames.
|
|
match &event {
|
|
BootstrapEvent::Manifest { stages, .. } => {
|
|
tracing::info!(
|
|
stage_count = stages.len(),
|
|
names = ?stages.iter().map(|s| s.name.as_str()).collect::<Vec<_>>(),
|
|
"manifest received"
|
|
);
|
|
}
|
|
BootstrapEvent::Stage {
|
|
name,
|
|
state,
|
|
duration_ms,
|
|
error,
|
|
..
|
|
} => {
|
|
tracing::info!(
|
|
stage = %name,
|
|
?state,
|
|
duration_ms = ?duration_ms,
|
|
error = ?error,
|
|
"stage transition"
|
|
);
|
|
}
|
|
BootstrapEvent::Complete { install_root, .. } => {
|
|
tracing::info!(install_root = %install_root, "bootstrap complete");
|
|
}
|
|
BootstrapEvent::Failed { stage, error } => {
|
|
tracing::error!(stage = ?stage, error = %error, "bootstrap FAILED");
|
|
}
|
|
BootstrapEvent::Log { .. } => {
|
|
// Log lines are teed via the sink callbacks in
|
|
// run_install_script — don't double-emit here.
|
|
}
|
|
}
|
|
if let Err(e) = app.emit(BootstrapEvent::CHANNEL, &event) {
|
|
tracing::warn!(?e, "failed to emit bootstrap event");
|
|
}
|
|
}
|
|
|
|
fn option_env_string(key: &str) -> Option<String> {
|
|
// option_env! only accepts literals, so we hardcode the known keys.
|
|
let val = match key {
|
|
"BUILD_PIN_COMMIT" => option_env!("BUILD_PIN_COMMIT"),
|
|
"BUILD_PIN_BRANCH" => option_env!("BUILD_PIN_BRANCH"),
|
|
_ => None,
|
|
};
|
|
val.map(|s| s.to_string())
|
|
}
|
|
|
|
fn truncate(s: &str, max: usize) -> String {
|
|
if s.len() <= max {
|
|
s.to_string()
|
|
} else {
|
|
format!("{}...", &s[..max])
|
|
}
|
|
}
|