File size: 5,673 Bytes
afa0cbf | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 | use std::future::Future;
use tracing_subscriber::EnvFilter;
use tracing_subscriber::prelude::*;
const DEFAULT_ANALYTICS_ENABLED: bool = false;
const DEFAULT_LOG_FILTER: &str = "error,opentelemetry_sdk=off,opentelemetry_otlp=off";
const OTEL_SERVICE_NAME: &str = "codex-exec-server";
pub(crate) enum ParentLifetime {
Independent,
StdinPipe,
}
pub(crate) enum ShutdownBehavior {
Immediate,
Graceful(tokio::sync::oneshot::Sender<()>),
}
pub(crate) fn init(
config: Option<&codex_core::config::Config>,
) -> (impl Send + Sync, codex_exec_server::ExecServerTelemetry) {
let fmt_layer = tracing_subscriber::fmt::layer()
.with_writer(std::io::stderr)
.with_filter(stderr_env_filter());
let otel = match config {
Some(config) => codex_core::otel_init::build_provider(
config,
env!("CARGO_PKG_VERSION"),
Some(OTEL_SERVICE_NAME),
DEFAULT_ANALYTICS_ENABLED,
)
.unwrap_or_else(|error| {
eprintln!("Could not create otel exporter: {error}");
None
}),
None => None,
};
let provider = otel.as_ref();
codex_core::otel_init::record_process_start(provider, OTEL_SERVICE_NAME);
let otel_logger_layer = provider.and_then(|otel| otel.logger_layer());
let otel_tracing_layer = provider.and_then(|otel| otel.tracing_layer());
let telemetry = provider
.and_then(|otel| otel.metrics())
.cloned()
.map(codex_exec_server::ExecServerTelemetry::new)
.unwrap_or_default();
let _ = tracing_subscriber::registry()
.with(fmt_layer)
.with(otel_tracing_layer)
.with(otel_logger_layer)
.try_init();
tracing::callsite::rebuild_interest_cache();
(otel, telemetry)
}
pub(crate) async fn run_until_shutdown<F, E>(
run: F,
parent_lifetime: ParentLifetime,
shutdown_behavior: ShutdownBehavior,
) -> Result<(), E>
where
F: Future<Output = Result<(), E>>,
{
let parent_disconnected = match parent_lifetime {
ParentLifetime::Independent => None,
ParentLifetime::StdinPipe => {
let (sender, receiver) = tokio::sync::oneshot::channel();
std::thread::spawn(move || {
if let Err(error) =
std::io::copy(&mut std::io::stdin().lock(), &mut std::io::sink())
{
tracing::warn!(%error, "Could not read exec-server parent lifetime pipe");
}
let _ = sender.send(());
});
Some(receiver)
}
};
let parent_disconnected = async {
match parent_disconnected {
Some(receiver) => {
let _ = receiver.await;
}
None => std::future::pending().await,
}
};
let shutdown_signal = match shutdown_signal() {
Ok(signal) => Some(signal),
Err(error) => {
eprintln!("Could not listen for exec-server shutdown signal: {error}");
None
}
};
let shutdown_signal = async {
match shutdown_signal {
Some(signal) => wait_for_shutdown_signal(signal).await,
None => std::future::pending().await,
}
};
run_until_shutdown_with_signals(run, parent_disconnected, shutdown_signal, shutdown_behavior)
.await
}
async fn run_until_shutdown_with_signals<F, E, P, S>(
run: F,
parent_disconnected: P,
shutdown_signal: S,
shutdown_behavior: ShutdownBehavior,
) -> Result<(), E>
where
F: Future<Output = Result<(), E>>,
P: Future<Output = ()>,
S: Future<Output = std::io::Result<()>>,
{
tokio::pin!(run, parent_disconnected, shutdown_signal);
let mut signal_enabled = true;
loop {
tokio::select! {
result = &mut run => return result,
_ = &mut parent_disconnected => {
tracing::info!("Stopping exec-server after its parent closed stdin");
break;
}
signal = &mut shutdown_signal, if signal_enabled => {
match signal {
Ok(()) => break,
Err(error) => {
eprintln!("Could not listen for exec-server shutdown signal: {error}");
signal_enabled = false;
}
}
}
}
}
match shutdown_behavior {
ShutdownBehavior::Immediate => Ok(()),
ShutdownBehavior::Graceful(sender) => {
let _ = sender.send(());
run.await
}
}
}
#[cfg(unix)]
struct ShutdownSignal {
terminate: tokio::signal::unix::Signal,
}
#[cfg(unix)]
fn shutdown_signal() -> std::io::Result<ShutdownSignal> {
Ok(ShutdownSignal {
terminate: tokio::signal::unix::signal(tokio::signal::unix::SignalKind::terminate())?,
})
}
#[cfg(unix)]
async fn wait_for_shutdown_signal(mut shutdown_signal: ShutdownSignal) -> std::io::Result<()> {
tokio::select! {
result = tokio::signal::ctrl_c() => result,
_ = shutdown_signal.terminate.recv() => Ok(()),
}
}
#[cfg(not(unix))]
struct ShutdownSignal;
#[cfg(not(unix))]
fn shutdown_signal() -> std::io::Result<ShutdownSignal> {
Ok(ShutdownSignal)
}
#[cfg(not(unix))]
async fn wait_for_shutdown_signal(_: ShutdownSignal) -> std::io::Result<()> {
tokio::signal::ctrl_c().await
}
fn stderr_env_filter() -> EnvFilter {
EnvFilter::try_from_default_env()
.or_else(|_| EnvFilter::try_new(DEFAULT_LOG_FILTER))
.unwrap_or_else(|_| EnvFilter::new("error"))
}
#[cfg(test)]
#[path = "exec_server_telemetry_tests.rs"]
mod tests;
|