tyler/proxmox-backup
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restore-daemon: start disk initialization in parallel to the api

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this way, the vm can start up faster, and the actual disk init happens
in parallel. this avoids unnecessary timeouts when starting the vm

if the call panics, we still abort the vm with an error

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Dominik Csapak 2022-04-26 12:13:54 +02:00 committed by Thomas Lamprecht
parent 274ac755a1
commit 436a48d611
1 changed files with 21 additions and 10 deletions
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31
proxmox-restore-daemon/src/main.rs
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@ -36,6 +36,15 @@ lazy_static! {
};
}
fn init_disk_state() {
info!("scanning all disks...");
{
let _disk_state = DISK_STATE.lock().unwrap();
}
info!("disk scan complete.")
}
/// This is expected to be run by 'proxmox-file-restore' within a mini-VM
fn main() -> Result<(), Error> {
pbs_tools::setup_libc_malloc_opts();
@ -56,15 +65,6 @@ fn main() -> Result<(), Error> {
info!("setup basic system environment...");
setup_system_env().map_err(|err| format_err!("system environment setup failed: {}", err))?;
// scan all attached disks now, before starting the API
// this will panic and stop the VM if anything goes wrong
info!("scanning all disks...");
{
let _disk_state = DISK_STATE.lock().unwrap();
}
info!("disk scan complete, starting main runtime...");
proxmox_async::runtime::main(run())
}
@ -95,6 +95,13 @@ fn setup_system_env() -> Result<(), Error> {
async fn run() -> Result<(), Error> {
watchdog_init();
let init_future = async move {
match tokio::time::timeout(std::time::Duration::from_secs(120), tokio::task::spawn_blocking(init_disk_state)).await {
Ok(res) => res.map_err(|err| format_err!("disk init failed: {}", err)),
Err(_) => bail!("disk init timed out after 120 seconds"),
}
};
let adaptor = StaticAuthAdapter::new()
.map_err(|err| format_err!("reading ticket file failed: {}", err))?;
@ -106,7 +113,11 @@ async fn run() -> Result<(), Error> {
let receiver_stream = ReceiverStream::new(connections);
let acceptor = hyper::server::accept::from_stream(receiver_stream);
hyper::Server::builder(acceptor).serve(rest_server).await?;
let hyper_future = async move {
hyper::Server::builder(acceptor).serve(rest_server).await.map_err(|err| format_err!("hyper finished with error: {}", err))
};
tokio::try_join!(init_future, hyper_future)?;
bail!("hyper server exited");
}