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Merge upstream/main into test/main-into-flow-sec

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This commit is contained in:
David Osipov
2026-03-20 14:20:20 +04:00
parent 6ea8ba25c4 d112f15b90
commit 7dc3c3666d
21 changed files with 759 additions and 286 deletions
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168
src/maestro/me_startup.rs
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@@ -239,6 +239,11 @@ pub(crate) async fn initialize_me_pool(
config.general.me_pool_drain_ttl_secs,
config.general.me_instadrain,
config.general.me_pool_drain_threshold,
config.general.me_pool_drain_soft_evict_enabled,
config.general.me_pool_drain_soft_evict_grace_secs,
config.general.me_pool_drain_soft_evict_per_writer,
config.general.me_pool_drain_soft_evict_budget_per_core,
config.general.me_pool_drain_soft_evict_cooldown_ms,
config.general.effective_me_pool_force_close_secs(),
config.general.me_pool_min_fresh_ratio,
config.general.me_hardswap_warmup_delay_min_ms,
@@ -325,25 +330,76 @@ pub(crate) async fn initialize_me_pool(
"Middle-End pool initialized successfully"
);
let pool_health = pool_bg.clone();
let rng_health = rng_bg.clone();
let min_conns = pool_size;
tokio::spawn(async move {
crate::transport::middle_proxy::me_health_monitor(
pool_health,
rng_health,
min_conns,
)
.await;
});
let pool_drain_enforcer = pool_bg.clone();
tokio::spawn(async move {
crate::transport::middle_proxy::me_drain_timeout_enforcer(
pool_drain_enforcer,
)
.await;
});
break;
// ── Supervised background tasks ──────────────────
// Each task runs inside a nested tokio::spawn so
// that a panic is caught via JoinHandle and the
// outer loop restarts the task automatically.
let pool_health = pool_bg.clone();
let rng_health = rng_bg.clone();
let min_conns = pool_size;
tokio::spawn(async move {
loop {
let p = pool_health.clone();
let r = rng_health.clone();
let res = tokio::spawn(async move {
crate::transport::middle_proxy::me_health_monitor(
p, r, min_conns,
)
.await;
})
.await;
match res {
Ok(()) => warn!("me_health_monitor exited unexpectedly, restarting"),
Err(e) => {
error!(error = %e, "me_health_monitor panicked, restarting in 1s");
tokio::time::sleep(Duration::from_secs(1)).await;
}
}
}
});
let pool_drain_enforcer = pool_bg.clone();
tokio::spawn(async move {
loop {
let p = pool_drain_enforcer.clone();
let res = tokio::spawn(async move {
crate::transport::middle_proxy::me_drain_timeout_enforcer(p).await;
})
.await;
match res {
Ok(()) => warn!("me_drain_timeout_enforcer exited unexpectedly, restarting"),
Err(e) => {
error!(error = %e, "me_drain_timeout_enforcer panicked, restarting in 1s");
tokio::time::sleep(Duration::from_secs(1)).await;
}
}
}
});
let pool_watchdog = pool_bg.clone();
tokio::spawn(async move {
loop {
let p = pool_watchdog.clone();
let res = tokio::spawn(async move {
crate::transport::middle_proxy::me_zombie_writer_watchdog(p).await;
})
.await;
match res {
Ok(()) => warn!("me_zombie_writer_watchdog exited unexpectedly, restarting"),
Err(e) => {
error!(error = %e, "me_zombie_writer_watchdog panicked, restarting in 1s");
tokio::time::sleep(Duration::from_secs(1)).await;
}
}
}
});
// CRITICAL: keep the current-thread runtime
// alive. Without this, block_on() returns,
// the Runtime is dropped, and ALL spawned
// background tasks (health monitor, drain
// enforcer, zombie watchdog) are silently
// cancelled — causing the draining-writer
// leak that brought us here.
std::future::pending::<()>().await;
unreachable!();
}
Err(e) => {
startup_tracker_bg.set_me_last_error(Some(e.to_string())).await;
@@ -401,22 +457,64 @@ pub(crate) async fn initialize_me_pool(
"Middle-End pool initialized successfully"
);
let pool_clone = pool.clone();
let rng_clone = rng.clone();
let min_conns = pool_size;
tokio::spawn(async move {
crate::transport::middle_proxy::me_health_monitor(
pool_clone, rng_clone, min_conns,
)
.await;
});
let pool_drain_enforcer = pool.clone();
tokio::spawn(async move {
crate::transport::middle_proxy::me_drain_timeout_enforcer(
pool_drain_enforcer,
)
.await;
});
// ── Supervised background tasks ──────────────────
let pool_clone = pool.clone();
let rng_clone = rng.clone();
let min_conns = pool_size;
tokio::spawn(async move {
loop {
let p = pool_clone.clone();
let r = rng_clone.clone();
let res = tokio::spawn(async move {
crate::transport::middle_proxy::me_health_monitor(
p, r, min_conns,
)
.await;
})
.await;
match res {
Ok(()) => warn!("me_health_monitor exited unexpectedly, restarting"),
Err(e) => {
error!(error = %e, "me_health_monitor panicked, restarting in 1s");
tokio::time::sleep(Duration::from_secs(1)).await;
}
}
}
});
let pool_drain_enforcer = pool.clone();
tokio::spawn(async move {
loop {
let p = pool_drain_enforcer.clone();
let res = tokio::spawn(async move {
crate::transport::middle_proxy::me_drain_timeout_enforcer(p).await;
})
.await;
match res {
Ok(()) => warn!("me_drain_timeout_enforcer exited unexpectedly, restarting"),
Err(e) => {
error!(error = %e, "me_drain_timeout_enforcer panicked, restarting in 1s");
tokio::time::sleep(Duration::from_secs(1)).await;
}
}
}
});
let pool_watchdog = pool.clone();
tokio::spawn(async move {
loop {
let p = pool_watchdog.clone();
let res = tokio::spawn(async move {
crate::transport::middle_proxy::me_zombie_writer_watchdog(p).await;
})
.await;
match res {
Ok(()) => warn!("me_zombie_writer_watchdog exited unexpectedly, restarting"),
Err(e) => {
error!(error = %e, "me_zombie_writer_watchdog panicked, restarting in 1s");
tokio::time::sleep(Duration::from_secs(1)).await;
}
}
}
});
break Some(pool);
}