iota/iota-daemon/src/main.rs
2026-09-01 22:17:57 +02:00

473 lines
18 KiB
Rust

use iota_daemon_lib::{
DaemonRuntime, DaemonServices, IpcServer, ShutdownReason, StartupPhase, log_broadcaster,
log_buffer::LogBuffer,
};
use iota_logger::{self as logger, log};
use iota_storage::users::user_manager;
use iota_storage::util::config_util::CONFIG;
use std::process::ExitCode;
use std::sync::{Arc, Mutex};
use std::time::Duration;
use tokio::sync::{broadcast, watch};
const MESSAGE_RETENTION_INTERVAL: Duration = Duration::from_secs(60);
const SYNC_COMPACTION_INTERVAL: Duration = Duration::from_secs(60 * 60);
#[tokio::main(flavor = "multi_thread")]
async fn main() -> ExitCode {
let scope = match std::env::var("IOTA_DEPLOYMENT_MODE").ok().as_deref() {
Some("system_socket_activated") | Some("system_always_on") => iota_paths::Scope::System,
_ => iota_paths::Scope::User,
};
let paths = match iota_paths::IotaPaths::resolve(scope) {
Ok(paths) => paths,
Err(error) => {
eprintln!("Cannot resolve Iota paths: {error}");
return ExitCode::FAILURE;
}
};
// Bind a deliberately dormant IPC daemon before terms are accepted. This
// makes socket activation and `iota terms accept --system` usable, while
// the router exposes status only and the inactive service cannot connect.
if !iota_terms::consent::load(&paths.state_dir).has_all_required() {
let socket = match &paths.ipc_endpoint {
iota_paths::IpcEndpoint::UnixSocket(path) => path.clone(),
iota_paths::IpcEndpoint::WindowsPipe(_) => {
eprintln!("Windows named-pipe daemon transport is not implemented yet");
return ExitCode::FAILURE;
}
};
let runtime = Arc::new(DaemonRuntime::new());
let (log_tx, _) = broadcast::channel(64);
let log_buffer = Arc::new(Mutex::new(LogBuffer::new(64)));
let (_, state_rx) = watch::channel(runtime.snapshot());
let server = match IpcServer::bind(
socket,
runtime.clone(),
DaemonServices::inactive(),
log_tx,
log_buffer,
state_rx,
)
.await
{
Ok(server) => server,
Err(error) => {
eprintln!("Cannot bind dormant daemon IPC socket: {error}");
return ExitCode::FAILURE;
}
};
tokio::spawn(async move {
let _ = server.serve().await;
});
eprintln!(
"Iota daemon is awaiting terms acceptance. Run `iota terms accept{}` in an interactive terminal.",
if paths.scope == iota_paths::Scope::System {
" --system"
} else {
""
}
);
loop {
tokio::select! {
_ = tokio::time::sleep(Duration::from_secs(1)) => {
if iota_terms::consent::load(&paths.state_dir).has_all_required() {
// systemd restarts this daemon; a locally-launched daemon can
// simply be started again after accepting the documents.
return ExitCode::from(75);
}
}
_ = tokio::signal::ctrl_c() => return ExitCode::SUCCESS,
}
}
}
if let Err(error) = paths.migrate_legacy_layout() {
eprintln!("Cannot migrate legacy Iota layout: {error}");
return ExitCode::FAILURE;
}
if let Err(error) = paths.prepare_writable_directories() {
eprintln!("Cannot prepare Iota directories: {error}");
return ExitCode::FAILURE;
}
iota_util::file_util::configure_storage_directory(paths.storage_dir.clone());
iota_storage::util::config_util::configure_config_path(paths.config_file.clone());
iota_storage::util::config_util::load_config_from(&paths.config_file);
omikron_connector::omikron_connection::configure_identity_path(paths.keyring_file());
match paths.scope {
iota_paths::Scope::User => logger::startup_with_log_dir(Some(paths.log_dir.clone())),
iota_paths::Scope::System => logger::startup_with_log_dir(None),
}
let runtime = Arc::new(DaemonRuntime::new());
// --- IPC infrastructure ---
let (log_tx, _) = broadcast::channel(512);
let log_buffer = Arc::new(Mutex::new(LogBuffer::new(1024)));
log_broadcaster::spawn(log_tx.clone(), log_buffer.clone());
let (state_tx, state_rx) = watch::channel(runtime.snapshot());
runtime.set_startup_phase(StartupPhase::LoadingUsers);
let storage_error = match iota_storage::util::db::verify_and_backup_database() {
Ok(()) => tokio::task::spawn_blocking(user_manager::load_users_sync)
.await
.map_err(|error| format!("user storage task failed: {error}"))
.and_then(|result| result.map_err(|error| error.to_string()))
.err(),
Err(error) => Some(error.to_string()),
};
if let Some(error) = storage_error {
runtime.set_component_failed(
iota_ipc::ComponentId::Storage,
format!("user storage failed to load: {error}"),
);
} else {
runtime.set_component_healthy(iota_ipc::ComponentId::Storage, None);
}
// Bind before migration and service startup: a successful bind is the
// readiness boundary visible to clients and socket activation.
let socket = match &paths.ipc_endpoint {
iota_paths::IpcEndpoint::UnixSocket(path) => path.clone(),
iota_paths::IpcEndpoint::WindowsPipe(_) => {
eprintln!("Windows named-pipe daemon transport is not implemented yet");
return ExitCode::FAILURE;
}
};
let omikron = match omikron_connector::omikron_connection::connect_initial(
runtime.cancellation.clone(),
runtime.state.active_tasks.clone(),
runtime.state.app.clone(),
)
.await
{
Ok(connection) => connection,
Err(omikron_connector::OmikronStartupError::InitialConnectionTimeout { connection }) => {
runtime.set_component_degraded(
iota_ipc::ComponentId::Omikron,
"Omikron connection unavailable; retrying".into(),
);
connection
}
Err(omikron_connector::OmikronStartupError::Authentication { connection }) => {
runtime.set_component_failed(
iota_ipc::ComponentId::Omikron,
"Omikron authentication failed; regenerate the Iota identity to register again"
.into(),
);
// Keep IPC alive: identity rotation is the supported recovery
// action and must remain available after authentication fails.
connection
}
Err(omikron_connector::OmikronStartupError::Construction(error)) => {
eprintln!("Cannot construct Omikron connection: {error}");
return ExitCode::FAILURE;
}
};
let omikron_health = omikron.clone();
let omikron_reconcile = omikron.clone();
let services = DaemonServices::new(omikron);
let health_runtime = runtime.clone();
runtime
.tasks
.spawn_tracked("omikron-health", async move {
let mut states = omikron_health.connection_state();
loop {
let state = *states.borrow();
match state {
omikron_connector::omikron_connection::ConnectionState::Connected {
..
} => {
let ping_ms = *omikron_health.last_ping.lock().await;
let message = if ping_ms >= 0 {
format!("connected (RTT: {ping_ms} ms)")
} else {
"connected (waiting for RTT sample)".into()
};
health_runtime
.set_component_healthy(iota_ipc::ComponentId::Omikron, Some(message));
}
omikron_connector::omikron_connection::ConnectionState::Connecting => {
health_runtime.set_component_degraded(
iota_ipc::ComponentId::Omikron,
"connecting to Omikron".into(),
);
}
omikron_connector::omikron_connection::ConnectionState::Disconnected => {
let message = omikron_health
.get_auth_failure()
.await
.unwrap_or_else(|| "disconnected; retrying".into());
if omikron_health.has_auth_failure().await {
health_runtime
.set_component_failed(iota_ipc::ComponentId::Omikron, message);
} else {
health_runtime
.set_component_degraded(iota_ipc::ComponentId::Omikron, message);
}
}
}
tokio::select! {
changed = states.changed() => if changed.is_err() { break },
// RTT is updated by MTP's heartbeat independently of a
// connection-state transition, so periodically refresh
// the component detail while connected.
_ = tokio::time::sleep(Duration::from_secs(1)) => {},
_ = health_runtime.cancellation.cancelled() => break,
}
}
Ok(())
})
.await;
runtime
.tasks
.spawn_tracked("user-lifecycle-reconciliation", async move {
let mut states = omikron_reconcile.connection_state();
loop {
if matches!(
*states.borrow(),
omikron_connector::omikron_connection::ConnectionState::Connected { .. }
) {
omikron_connector::user_ops::reconcile_managed_users(
omikron_reconcile.as_ref(),
)
.await;
}
tokio::select! {
changed = states.changed() => if changed.is_err() { break },
_ = tokio::time::sleep(Duration::from_secs(30)) => {},
}
}
Ok(())
})
.await;
let ipc_server = match IpcServer::bind(
socket.clone(),
runtime.clone(),
services,
log_tx.clone(),
log_buffer.clone(),
state_rx,
)
.await
{
Ok(server) => server,
Err(error) => {
eprintln!("Cannot bind daemon IPC socket: {error}");
return ExitCode::FAILURE;
}
};
eprintln!("iota-daemon IPC listener ready at {}", socket.display());
runtime.set_component_healthy(iota_ipc::ComponentId::Ipc, None);
let listener_runtime = runtime.clone();
runtime
.tasks
.spawn_tracked("ipc-server", async move {
if let Err(error) = ipc_server.serve().await {
eprintln!("iota-daemon IPC server failed: {error}");
listener_runtime.shutdown(ShutdownReason::Fatal(format!(
"IPC listener stopped: {error}"
)));
}
Ok(())
})
.await;
log!("iota-daemon IPC server ready");
log!(
"iota-daemon paths (scope={:?}): config={} state={} storage={} identity={} cache={} log={} asset={} ipc={}",
paths.scope,
paths.config_file.display(),
paths.state_dir.display(),
paths.storage_dir.display(),
paths.identity_dir.display(),
paths.cache_dir.display(),
paths.log_dir.display(),
paths.asset_dir.display(),
match &paths.ipc_endpoint {
iota_paths::IpcEndpoint::UnixSocket(p) => p.display().to_string(),
iota_paths::IpcEndpoint::WindowsPipe(n) => n.clone(),
},
);
runtime.set_startup_phase(StartupPhase::StartingServices);
// --- System monitor ---
runtime.spawn_system_monitor().await;
// --- State update publisher (watch-based, no full broadcast per tick) ---
let state_publisher = runtime.clone();
runtime
.tasks
.spawn_tracked("state-publisher", async move {
loop {
if state_publisher.is_shutting_down() {
break;
}
let snapshot = state_publisher.snapshot();
let _ = state_tx.send(snapshot);
tokio::time::sleep(Duration::from_millis(500)).await;
}
Ok(())
})
.await;
// --- Web server ---
let web = CONFIG.load().web.clone();
let web_config = web_server::WebConfig {
mode: match web.mode {
iota_storage::util::config_util::WebMode::Disabled => web_server::WebMode::Disabled,
iota_storage::util::config_util::WebMode::Loopback => web_server::WebMode::Loopback,
iota_storage::util::config_util::WebMode::Network => web_server::WebMode::Network,
},
bind: web
.bind
.parse()
.unwrap_or(std::net::IpAddr::V4(std::net::Ipv4Addr::LOCALHOST)),
port: web.port,
asset_dir: resolve_config_path(&paths.config_file, &web.asset_dir, &paths.asset_dir),
tls: web
.certificate
.zip(web.key)
.map(|(certificate, key)| web_server::TlsConfig {
certificate: resolve_config_path(
&paths.config_file,
&certificate,
&paths.config_dir,
),
key: resolve_config_path(&paths.config_file, &key, &paths.config_dir),
}),
required: web.required,
};
match web_server::start(web_config, runtime.cancellation.clone()).await {
Ok(None) => {
runtime.set_component_healthy(iota_ipc::ComponentId::Web, Some("disabled".into()))
}
Ok(Some(handle)) => {
runtime.set_component_healthy(iota_ipc::ComponentId::Web, None);
runtime
.tasks
.spawn_tracked("web-server", async move {
handle.join().await;
Ok(())
})
.await;
}
Err(error) if web.required => {
runtime.set_component_failed(iota_ipc::ComponentId::Web, error.to_string());
}
Err(error) => {
runtime.set_component_degraded(iota_ipc::ComponentId::Web, error.to_string());
}
}
runtime.set_startup_phase(StartupPhase::Ready);
log!("iota-daemon started (phase: Ready)");
let retention_runtime = runtime.clone();
runtime
.tasks
.spawn_tracked("message-retention", async move {
loop {
let purge = tokio::task::spawn_blocking(|| {
iota_storage::util::message_retention::purge_expired_messages(
iota_storage::util::sync::now_millis(),
)
})
.await;
match purge {
Ok(Ok(result)) if result.deleted_messages > 0 => {
log!("purged {} expired messages", result.deleted_messages);
}
Ok(Ok(_)) => {}
Ok(Err(error)) => log!("message retention cleanup failed: {}", error),
Err(error) => log!("message retention task failed: {}", error),
}
tokio::select! {
_ = tokio::time::sleep(MESSAGE_RETENTION_INTERVAL) => {},
_ = retention_runtime.cancellation.cancelled() => break,
}
}
Ok(())
})
.await;
let compaction_runtime = runtime.clone();
runtime
.tasks
.spawn_tracked("sync-compaction", async move {
loop {
let compact =
tokio::task::spawn_blocking(iota_storage::util::sync::compact_all_sync_state)
.await;
match compact {
Ok(Ok(result))
if result.removed_events > 0 || result.removed_blob_tombstones > 0 =>
{
log!(
"compacted {} sync events and {} blob tombstones",
result.removed_events,
result.removed_blob_tombstones
);
}
Ok(Ok(_)) => {}
Ok(Err(error)) => log!("sync compaction failed: {}", error),
Err(error) => log!("sync compaction task failed: {}", error),
}
tokio::select! {
_ = tokio::time::sleep(SYNC_COMPACTION_INTERVAL) => {},
_ = compaction_runtime.cancellation.cancelled() => break,
}
}
Ok(())
})
.await;
// --- Main lifecycle loop ---
let signal = async {
#[cfg(unix)]
{
let mut term =
tokio::signal::unix::signal(tokio::signal::unix::SignalKind::terminate())
.expect("SIGTERM handler");
tokio::select! { _ = tokio::signal::ctrl_c() => ShutdownReason::Stop, _ = term.recv() => ShutdownReason::Stop }
}
#[cfg(not(unix))]
{
let _ = tokio::signal::ctrl_c().await;
ShutdownReason::Stop
}
};
tokio::select! {
_ = runtime.cancellation.cancelled() => {},
reason = signal => runtime.shutdown(reason),
}
let reason = runtime.shutdown_reason().unwrap_or(ShutdownReason::Stop);
log!("iota-daemon shutting down (reason: {:?})", reason);
runtime.set_startup_phase(StartupPhase::Stopping);
let _ = runtime
.tasks
.join_with_timeout(Duration::from_secs(5))
.await;
let exit_code = reason.exit_code();
log!("iota-daemon exited (code: {})", exit_code);
ExitCode::from(exit_code as u8)
}
fn resolve_config_path(
config_file: &std::path::Path,
value: &str,
default: &std::path::Path,
) -> std::path::PathBuf {
if value.is_empty() {
return default.to_path_buf();
}
let path = std::path::PathBuf::from(value);
if path.is_absolute() {
path
} else {
config_file
.parent()
.expect("absolute configuration file has a parent")
.join(path)
}
}