tori/src/worker_runner.rs

250 lines
11 KiB
Rust

use std::sync::Arc;
use futures::{SinkExt, StreamExt};
use tokio::sync::mpsc;
use tokio_tungstenite::{connect_async, tungstenite::Message};
use crate::agent::{self, AgentEvent};
use crate::exec::LocalExecutor;
use crate::llm::LlmClient;
use crate::sink::{AgentUpdate, ServiceManager};
use crate::worker::{ServerToWorker, WorkerInfo, WorkerToServer};
fn collect_worker_info(name: &str) -> WorkerInfo {
let cpu = std::fs::read_to_string("/proc/cpuinfo").ok()
.and_then(|s| s.lines().find(|l| l.starts_with("model name"))
.map(|l| l.split(':').nth(1).unwrap_or("").trim().to_string()))
.unwrap_or_else(|| "unknown".into());
let memory = std::fs::read_to_string("/proc/meminfo").ok()
.and_then(|s| s.lines().find(|l| l.starts_with("MemTotal"))
.and_then(|l| l.split_whitespace().nth(1))
.and_then(|kb| kb.parse::<u64>().ok())
.map(|kb| format!("{:.1} GB", kb as f64 / 1_048_576.0)))
.unwrap_or_else(|| "unknown".into());
let gpu = std::process::Command::new("nvidia-smi")
.arg("--query-gpu=name").arg("--format=csv,noheader").output().ok()
.and_then(|o| if o.status.success() { Some(String::from_utf8_lossy(&o.stdout).trim().to_string()) } else { None })
.unwrap_or_else(|| "none".into());
WorkerInfo {
name: name.to_string(), cpu, memory, gpu,
os: std::env::consts::OS.to_string(),
kernel: std::process::Command::new("uname").arg("-r").output().ok()
.map(|o| String::from_utf8_lossy(&o.stdout).trim().to_string())
.unwrap_or_else(|| "unknown".into()),
}
}
/// Shared WebSocket sender that can be swapped on reconnect.
type SharedWsTx = Arc<tokio::sync::Mutex<Option<futures::stream::SplitSink<
tokio_tungstenite::WebSocketStream<tokio_tungstenite::MaybeTlsStream<tokio::net::TcpStream>>,
Message
>>>>;
pub async fn run(server_url: &str, worker_name: &str, llm_config: &crate::LlmConfig) -> anyhow::Result<()> {
tracing::info!("Tori worker '{}' connecting to {} (model={})", worker_name, server_url, llm_config.model);
let svc_mgr = ServiceManager::new(9100);
let ws_tx: SharedWsTx = Arc::new(tokio::sync::Mutex::new(None));
let comment_tx: Arc<tokio::sync::Mutex<Option<mpsc::Sender<AgentEvent>>>> =
Arc::new(tokio::sync::Mutex::new(None));
loop {
match connect_and_run(server_url, worker_name, llm_config, &svc_mgr, &ws_tx, &comment_tx).await {
Ok(()) => tracing::info!("Connection closed, reconnecting in 5s..."),
Err(e) => tracing::error!("Worker error: {}, reconnecting in 5s...", e),
}
// Clear ws_tx so relay tasks know the connection is gone
*ws_tx.lock().await = None;
tokio::time::sleep(std::time::Duration::from_secs(5)).await;
}
}
async fn connect_and_run(
server_url: &str,
worker_name: &str,
llm_config: &crate::LlmConfig,
svc_mgr: &ServiceManager,
shared_ws_tx: &SharedWsTx,
comment_tx: &Arc<tokio::sync::Mutex<Option<mpsc::Sender<AgentEvent>>>>,
) -> anyhow::Result<()> {
let (ws_stream, _) = connect_async(server_url).await?;
let (mut ws_tx, mut ws_rx) = ws_stream.split();
// Register
let info = collect_worker_info(worker_name);
let register_msg = serde_json::to_string(&WorkerToServer::Register { info })?;
ws_tx.send(Message::Text(register_msg.into())).await?;
// Wait for registration ack
while let Some(msg) = ws_rx.next().await {
match msg? {
Message::Text(text) => {
let v: serde_json::Value = serde_json::from_str(&text)?;
if v["type"] == "registered" {
tracing::info!("Registered as '{}'", v["name"]);
break;
}
}
Message::Close(_) => anyhow::bail!("Connection closed during registration"),
_ => {}
}
}
// Store the new ws_tx so relay tasks can use it
*shared_ws_tx.lock().await = Some(ws_tx);
// Ping keepalive
let ping_tx = shared_ws_tx.clone();
let ping_task = tokio::spawn(async move {
let mut interval = tokio::time::interval(std::time::Duration::from_secs(30));
loop {
interval.tick().await;
let guard = ping_tx.lock().await;
if guard.is_none() { break; }
// Can't send while holding mutex with Option, drop and re-acquire
drop(guard);
let mut guard = ping_tx.lock().await;
if let Some(ref mut tx) = *guard {
if tx.send(Message::Ping(vec![].into())).await.is_err() {
*guard = None;
break;
}
} else {
break;
}
}
});
// Main message loop
while let Some(msg) = ws_rx.next().await {
let text = match msg? {
Message::Text(t) => t,
Message::Close(_) => break,
Message::Pong(_) => continue,
_ => continue,
};
let server_msg: ServerToWorker = match serde_json::from_str(&text) {
Ok(m) => m,
Err(e) => { tracing::warn!("Bad server message: {}", e); continue; }
};
match server_msg {
ServerToWorker::WorkflowAssign {
workflow_id, project_id, requirement,
template_id: _, initial_state, require_plan_approval,
} => {
tracing::info!("Received workflow: {} (project {})", workflow_id, project_id);
let llm = LlmClient::new(llm_config);
let exec = LocalExecutor::new(None);
let workdir = format!("workspaces/{}", project_id);
let instructions = String::new();
// Ensure workspace has a venv
let _ = tokio::fs::create_dir_all(&workdir).await;
let venv_path = format!("{}/.venv", workdir);
if !std::path::Path::new(&venv_path).exists() {
tracing::info!("Setting up venv in {}", workdir);
let _ = exec.execute("uv venv .venv", &workdir).await;
}
// update channel → relay to shared ws_tx
let (update_tx, mut update_rx) = mpsc::channel::<AgentUpdate>(64);
let relay_ws_tx = shared_ws_tx.clone();
let wf_id_clone = workflow_id.clone();
tokio::spawn(async move {
while let Some(update) = update_rx.recv().await {
let msg = WorkerToServer::Update {
workflow_id: wf_id_clone.clone(),
update,
};
let json = match serde_json::to_string(&msg) {
Ok(j) => j,
Err(_) => continue,
};
let mut guard = relay_ws_tx.lock().await;
if let Some(ref mut tx) = *guard {
if tx.send(Message::Text(json.into())).await.is_err() {
tracing::warn!("WebSocket send failed, buffering...");
*guard = None;
// Don't break — keep draining update_rx so agent doesn't block
}
}
// If ws_tx is None, updates are lost (reconnect will happen)
}
});
// event channel for comments
let (evt_tx, mut evt_rx) = mpsc::channel::<AgentEvent>(32);
*comment_tx.lock().await = Some(evt_tx);
let svc = svc_mgr.clone();
let wf_id = workflow_id.clone();
let pid = project_id.clone();
tokio::spawn(async move {
let result = agent::run_agent_loop(
&llm, &exec, &update_tx, &mut evt_rx,
&pid, &wf_id, &requirement, &workdir, &svc,
&instructions, initial_state, None, require_plan_approval,
).await;
let final_status = if result.is_ok() { "done" } else { "failed" };
let reason = if let Err(ref e) = result { format!("{}", e) } else { String::new() };
if let Err(ref e) = result {
tracing::error!("Workflow {} failed: {}", wf_id, e);
let _ = update_tx.send(AgentUpdate::Error { message: format!("{}", e) }).await;
}
// Sync workspace files to server
sync_workspace(&update_tx, &pid, &workdir).await;
let _ = update_tx.send(AgentUpdate::WorkflowComplete {
workflow_id: wf_id.clone(), status: final_status.into(), reason,
}).await;
tracing::info!("Workflow {} completed: {}", wf_id, final_status);
});
}
ServerToWorker::Comment { workflow_id, content } => {
if let Some(ref tx) = *comment_tx.lock().await {
let _ = tx.send(AgentEvent::Comment { workflow_id, content }).await;
}
}
}
}
ping_task.abort();
Ok(())
}
/// Sync all workspace files to server via FileSync updates.
async fn sync_workspace(update_tx: &mpsc::Sender<AgentUpdate>, project_id: &str, workdir: &str) {
use base64::Engine;
let base = std::path::Path::new(workdir);
if !base.exists() { return; }
let mut stack = vec![base.to_path_buf()];
let mut count = 0u32;
while let Some(dir) = stack.pop() {
let mut entries = match tokio::fs::read_dir(&dir).await { Ok(e) => e, Err(_) => continue };
while let Ok(Some(entry)) = entries.next_entry().await {
let name = entry.file_name().to_string_lossy().to_string();
if matches!(name.as_str(), ".venv" | "__pycache__" | ".git" | "node_modules" | ".mypy_cache") { continue; }
let path = entry.path();
if path.is_dir() { stack.push(path); }
else if let Ok(meta) = entry.metadata().await {
if meta.len() > 1_048_576 { continue; }
if let Ok(bytes) = tokio::fs::read(&path).await {
let rel = path.strip_prefix(base).unwrap_or(&path);
let _ = update_tx.send(AgentUpdate::FileSync {
project_id: project_id.to_string(),
path: rel.to_string_lossy().to_string(),
data_b64: base64::engine::general_purpose::STANDARD.encode(&bytes),
}).await;
count += 1;
}
}
}
}
tracing::info!("Synced {} files from {}", count, workdir);
}