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fix list_containers reporting stale running state

Browse source 
handle_list_descendants derived a container's running state from
membership in nixos-container list output, but that command returns
every registered container - stopped and ghost-registered (machined
still holds the name after the process died) ones included - not just
running ones. use lifecycle::is_running (systemctl is-active on the
container's systemd unit) per container instead, same source
container_view::build_all already uses for the dashboard.

fixes hyperhive/hyperhive#2846
This commit is contained in:
damocles 2026-07-30 00:02:02 +02:00 • committed by mara
commit a72009099a
1 changed files with 11 additions and 22 deletions
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33
hive-c0re/src/socket_server/lifecycle_handlers.rs
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@ -160,21 +160,6 @@ pub(super) fn handle_update(coord: &Arc<Coordinator>, agent: &str, name: &str) -
/// its running/stopped state, parents before children.
pub(super) async fn handle_list_descendants(agent: &str) -> Response {
tracing::debug!(%agent, "agent: list descendants");
// All containers known to nixos-container (running only).
let running_set: std::collections::HashSet<String> = match crate::lifecycle::list().await {
Ok(names) => names
.into_iter()
.filter_map(|c| {
c.strip_prefix(crate::lifecycle::AGENT_PREFIX)
.map(str::to_owned)
})
.collect(),
Err(e) => {
return Response::Err {
message: format!("list containers failed: {e:#}"),
};
}
};
// Walk the full topology and collect every descendant.
let topo = crate::topology::read();
let mut names: Vec<String> = topo
@ -184,12 +169,16 @@ pub(super) async fn handle_list_descendants(agent: &str) -> Response {
.collect();
// Parents before children, then alpha within each tier.
crate::auto_update::topology_sort(&mut names, &topo);
let containers = names
.into_iter()
.map(|name| {
let running = running_set.contains(&name);
hive_sh4re::ContainerInfo { name, running }
})
.collect();
// Query each container's actual systemd unit state (same source
// `container_view::build_all` uses for the dashboard). `nixos-container
// list` — what this used to key off of via a "known containers" set —
// reports every *registered* container, stopped and ghost-registered
// (machined still holds the name after a crashed/killed process) ones
// included, so membership there is not the same thing as "running".
let mut containers = Vec::with_capacity(names.len());
for name in names {
let running = crate::lifecycle::is_running(&name).await;
containers.push(hive_sh4re::ContainerInfo { name, running });
}
Response::Containers { containers }
}