feat: idm v2 (#102)

* feat: rebuild idm to separate transport from content

* feat: fast guest lookup table and host identification
This commit is contained in:
Alex Zenla
2024-04-21 21:00:32 -07:00
committed by GitHub
parent 1a90372037
commit 38e892e249
33 changed files with 763 additions and 391 deletions

View File

@ -30,6 +30,7 @@ use uuid::Uuid;
use crate::{
db::GuestStore,
event::{DaemonEvent, DaemonEventContext},
glt::GuestLookupTable,
};
const PARALLEL_LIMIT: u32 = 5;
@ -53,6 +54,7 @@ impl Drop for GuestReconcilerEntry {
#[derive(Clone)]
pub struct GuestReconciler {
glt: GuestLookupTable,
guests: GuestStore,
events: DaemonEventContext,
runtime: Runtime,
@ -64,6 +66,7 @@ pub struct GuestReconciler {
impl GuestReconciler {
pub fn new(
glt: GuestLookupTable,
guests: GuestStore,
events: DaemonEventContext,
runtime: Runtime,
@ -71,6 +74,7 @@ impl GuestReconciler {
guest_reconciler_notify: Sender<Uuid>,
) -> Result<Self> {
Ok(Self {
glt,
guests,
events,
runtime,
@ -123,6 +127,23 @@ impl GuestReconciler {
trace!("reconciling runtime");
let runtime_guests = self.runtime.list().await?;
let stored_guests = self.guests.list().await?;
let non_existent_guests = runtime_guests
.iter()
.filter(|x| !stored_guests.iter().any(|g| *g.0 == x.uuid))
.collect::<Vec<_>>();
for guest in non_existent_guests {
warn!("destroying unknown runtime guest {}", guest.uuid);
if let Err(error) = self.runtime.destroy(guest.uuid).await {
error!(
"failed to destroy unknown runtime guest {}: {}",
guest.uuid, error
);
}
self.guests.remove(guest.uuid).await?;
}
for (uuid, mut stored_guest) in stored_guests {
let previous_guest = stored_guest.clone();
let runtime_guest = runtime_guests.iter().find(|x| x.uuid == uuid);
@ -136,6 +157,7 @@ impl GuestReconciler {
}
Some(runtime) => {
self.glt.associate(uuid, runtime.domid).await;
let mut state = stored_guest.state.as_mut().cloned().unwrap_or_default();
if let Some(code) = runtime.state.exit_code {
state.status = GuestStatus::Exited.into();
@ -283,12 +305,14 @@ impl GuestReconciler {
debug: false,
})
.await?;
self.glt.associate(uuid, info.domid).await;
info!("started guest {}", uuid);
guest.state = Some(GuestState {
status: GuestStatus::Started.into(),
network: Some(guestinfo_to_networkstate(&info)),
exit_info: None,
error_info: None,
host: self.glt.host_uuid().to_string(),
domid: info.domid,
});
Ok(GuestReconcilerResult::Changed { rerun: false })
@ -308,13 +332,20 @@ impl GuestReconciler {
trace!("failed to destroy runtime guest {}: {}", uuid, error);
}
let domid = guest.state.as_ref().map(|x| x.domid);
if let Some(domid) = domid {
self.glt.remove(uuid, domid).await;
}
info!("destroyed guest {}", uuid);
guest.state = Some(GuestState {
status: GuestStatus::Destroyed.into(),
network: None,
exit_info: None,
error_info: None,
domid: guest.state.as_ref().map(|x| x.domid).unwrap_or(u32::MAX),
host: self.glt.host_uuid().to_string(),
domid: domid.unwrap_or(u32::MAX),
});
Ok(GuestReconcilerResult::Changed { rerun: false })
}