707 lines
24 KiB
Rust
707 lines
24 KiB
Rust
use std::sync::Arc;
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use std::path::{Path, PathBuf};
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use anyhow::{bail, format_err, Error};
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use futures::*;
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use hyper;
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use openssl::ssl::{SslMethod, SslAcceptor, SslFiletype};
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use proxmox::try_block;
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use proxmox::api::RpcEnvironmentType;
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use proxmox_backup::api2::types::Userid;
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use proxmox_backup::configdir;
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use proxmox_backup::buildcfg;
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use proxmox_backup::server;
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use proxmox_backup::tools::daemon;
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use proxmox_backup::server::{ApiConfig, rest::*};
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use proxmox_backup::auth_helpers::*;
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use proxmox_backup::tools::disks::{ DiskManage, zfs_pool_stats };
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use proxmox_backup::api2::pull::do_sync_job;
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fn main() -> Result<(), Error> {
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proxmox_backup::tools::setup_safe_path_env();
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let backup_uid = proxmox_backup::backup::backup_user()?.uid;
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let backup_gid = proxmox_backup::backup::backup_group()?.gid;
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let running_uid = nix::unistd::Uid::effective();
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let running_gid = nix::unistd::Gid::effective();
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if running_uid != backup_uid || running_gid != backup_gid {
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bail!("proxy not running as backup user or group (got uid {} gid {})", running_uid, running_gid);
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}
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proxmox_backup::tools::runtime::main(run())
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}
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async fn run() -> Result<(), Error> {
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if let Err(err) = syslog::init(
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syslog::Facility::LOG_DAEMON,
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log::LevelFilter::Info,
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Some("proxmox-backup-proxy")) {
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bail!("unable to inititialize syslog - {}", err);
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}
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let _ = public_auth_key(); // load with lazy_static
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let _ = csrf_secret(); // load with lazy_static
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let mut config = ApiConfig::new(
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buildcfg::JS_DIR, &proxmox_backup::api2::ROUTER, RpcEnvironmentType::PUBLIC)?;
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config.add_alias("novnc", "/usr/share/novnc-pve");
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config.add_alias("extjs", "/usr/share/javascript/extjs");
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config.add_alias("fontawesome", "/usr/share/fonts-font-awesome");
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config.add_alias("xtermjs", "/usr/share/pve-xtermjs");
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config.add_alias("locale", "/usr/share/pbs-i18n");
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config.add_alias("widgettoolkit", "/usr/share/javascript/proxmox-widget-toolkit");
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config.add_alias("css", "/usr/share/javascript/proxmox-backup/css");
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config.add_alias("docs", "/usr/share/doc/proxmox-backup/html");
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let mut indexpath = PathBuf::from(buildcfg::JS_DIR);
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indexpath.push("index.hbs");
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config.register_template("index", &indexpath)?;
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config.register_template("console", "/usr/share/pve-xtermjs/index.html.hbs")?;
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let rest_server = RestServer::new(config);
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//openssl req -x509 -newkey rsa:4096 -keyout /etc/proxmox-backup/proxy.key -out /etc/proxmox-backup/proxy.pem -nodes
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let key_path = configdir!("/proxy.key");
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let cert_path = configdir!("/proxy.pem");
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let mut acceptor = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap();
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acceptor.set_private_key_file(key_path, SslFiletype::PEM)
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.map_err(|err| format_err!("unable to read proxy key {} - {}", key_path, err))?;
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acceptor.set_certificate_chain_file(cert_path)
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.map_err(|err| format_err!("unable to read proxy cert {} - {}", cert_path, err))?;
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acceptor.check_private_key().unwrap();
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let acceptor = Arc::new(acceptor.build());
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let server = daemon::create_daemon(
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([0,0,0,0,0,0,0,0], 8007).into(),
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|listener, ready| {
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let connections = proxmox_backup::tools::async_io::StaticIncoming::from(listener)
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.map_err(Error::from)
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.try_filter_map(move |(sock, _addr)| {
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let acceptor = Arc::clone(&acceptor);
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async move {
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sock.set_nodelay(true).unwrap();
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Ok(tokio_openssl::accept(&acceptor, sock)
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.await
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.ok() // handshake errors aren't be fatal, so return None to filter
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)
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}
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});
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let connections = proxmox_backup::tools::async_io::HyperAccept(connections);
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Ok(ready
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.and_then(|_| hyper::Server::builder(connections)
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.serve(rest_server)
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.with_graceful_shutdown(server::shutdown_future())
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.map_err(Error::from)
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)
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.map_err(|err| eprintln!("server error: {}", err))
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.map(|_| ())
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)
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},
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);
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daemon::systemd_notify(daemon::SystemdNotify::Ready)?;
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let init_result: Result<(), Error> = try_block!({
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server::create_task_control_socket()?;
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server::server_state_init()?;
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Ok(())
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});
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if let Err(err) = init_result {
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bail!("unable to start daemon - {}", err);
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}
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start_task_scheduler();
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start_stat_generator();
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server.await?;
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log::info!("server shutting down, waiting for active workers to complete");
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proxmox_backup::server::last_worker_future().await?;
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log::info!("done - exit server");
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Ok(())
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}
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fn start_stat_generator() {
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let abort_future = server::shutdown_future();
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let future = Box::pin(run_stat_generator());
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let task = futures::future::select(future, abort_future);
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tokio::spawn(task.map(|_| ()));
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}
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fn start_task_scheduler() {
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let abort_future = server::shutdown_future();
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let future = Box::pin(run_task_scheduler());
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let task = futures::future::select(future, abort_future);
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tokio::spawn(task.map(|_| ()));
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}
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use std::time::{SystemTime, Instant, Duration, UNIX_EPOCH};
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fn next_minute() -> Result<Instant, Error> {
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let now = SystemTime::now();
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let epoch_now = now.duration_since(UNIX_EPOCH)?;
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let epoch_next = Duration::from_secs((epoch_now.as_secs()/60 + 1)*60);
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Ok(Instant::now() + epoch_next - epoch_now)
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}
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async fn run_task_scheduler() {
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let mut count: usize = 0;
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loop {
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count += 1;
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let delay_target = match next_minute() { // try to run very minute
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Ok(d) => d,
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Err(err) => {
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eprintln!("task scheduler: compute next minute failed - {}", err);
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tokio::time::delay_until(tokio::time::Instant::from_std(Instant::now() + Duration::from_secs(60))).await;
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continue;
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}
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};
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if count > 2 { // wait 1..2 minutes before starting
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match schedule_tasks().catch_unwind().await {
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Err(panic) => {
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match panic.downcast::<&str>() {
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Ok(msg) => {
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eprintln!("task scheduler panic: {}", msg);
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}
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Err(_) => {
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eprintln!("task scheduler panic - unknown type");
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}
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}
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}
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Ok(Err(err)) => {
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eprintln!("task scheduler failed - {:?}", err);
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}
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Ok(Ok(_)) => {}
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}
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}
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tokio::time::delay_until(tokio::time::Instant::from_std(delay_target)).await;
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}
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}
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async fn schedule_tasks() -> Result<(), Error> {
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schedule_datastore_garbage_collection().await;
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schedule_datastore_prune().await;
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schedule_datastore_sync_jobs().await;
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Ok(())
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}
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fn lookup_last_worker(worker_type: &str, worker_id: &str) -> Result<Option<server::UPID>, Error> {
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let list = proxmox_backup::server::read_task_list()?;
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let mut last: Option<&server::UPID> = None;
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for entry in list.iter() {
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if entry.upid.worker_type == worker_type {
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if let Some(ref id) = entry.upid.worker_id {
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if id == worker_id {
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match last {
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Some(ref upid) => {
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if upid.starttime < entry.upid.starttime {
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last = Some(&entry.upid)
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}
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}
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None => {
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last = Some(&entry.upid)
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}
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}
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}
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}
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}
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}
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Ok(last.cloned())
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}
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async fn schedule_datastore_garbage_collection() {
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use proxmox_backup::backup::DataStore;
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use proxmox_backup::server::{UPID, WorkerTask};
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use proxmox_backup::config::datastore::{self, DataStoreConfig};
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use proxmox_backup::tools::systemd::time::{
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parse_calendar_event, compute_next_event};
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let config = match datastore::config() {
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Err(err) => {
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eprintln!("unable to read datastore config - {}", err);
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return;
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}
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Ok((config, _digest)) => config,
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};
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for (store, (_, store_config)) in config.sections {
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let datastore = match DataStore::lookup_datastore(&store) {
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Ok(datastore) => datastore,
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Err(err) => {
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eprintln!("lookup_datastore failed - {}", err);
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continue;
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}
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};
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let store_config: DataStoreConfig = match serde_json::from_value(store_config) {
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Ok(c) => c,
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Err(err) => {
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eprintln!("datastore config from_value failed - {}", err);
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continue;
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}
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};
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let event_str = match store_config.gc_schedule {
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Some(event_str) => event_str,
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None => continue,
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};
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let event = match parse_calendar_event(&event_str) {
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Ok(event) => event,
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Err(err) => {
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eprintln!("unable to parse schedule '{}' - {}", event_str, err);
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continue;
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}
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};
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if datastore.garbage_collection_running() { continue; }
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let worker_type = "garbage_collection";
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let stat = datastore.last_gc_status();
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let last = if let Some(upid_str) = stat.upid {
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match upid_str.parse::<UPID>() {
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Ok(upid) => upid.starttime,
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Err(err) => {
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eprintln!("unable to parse upid '{}' - {}", upid_str, err);
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continue;
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}
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}
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} else {
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match lookup_last_worker(worker_type, &store) {
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Ok(Some(upid)) => upid.starttime,
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Ok(None) => 0,
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Err(err) => {
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eprintln!("lookup_last_job_start failed: {}", err);
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continue;
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}
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}
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};
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let next = match compute_next_event(&event, last, false) {
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Ok(Some(next)) => next,
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Ok(None) => continue,
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Err(err) => {
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eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
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continue;
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}
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};
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let now = proxmox::tools::time::epoch_i64();
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if next > now { continue; }
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let store2 = store.clone();
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if let Err(err) = WorkerTask::new_thread(
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worker_type,
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Some(store.clone()),
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Userid::backup_userid().clone(),
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false,
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move |worker| {
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worker.log(format!("starting garbage collection on store {}", store));
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worker.log(format!("task triggered by schedule '{}'", event_str));
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datastore.garbage_collection(&worker)
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}
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) {
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eprintln!("unable to start garbage collection on store {} - {}", store2, err);
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}
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}
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}
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async fn schedule_datastore_prune() {
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use proxmox_backup::backup::{
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PruneOptions, DataStore, BackupGroup, compute_prune_info};
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use proxmox_backup::server::{WorkerTask};
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use proxmox_backup::config::datastore::{self, DataStoreConfig};
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use proxmox_backup::tools::systemd::time::{
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parse_calendar_event, compute_next_event};
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let config = match datastore::config() {
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Err(err) => {
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eprintln!("unable to read datastore config - {}", err);
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return;
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}
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Ok((config, _digest)) => config,
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};
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for (store, (_, store_config)) in config.sections {
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let datastore = match DataStore::lookup_datastore(&store) {
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Ok(datastore) => datastore,
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Err(err) => {
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eprintln!("lookup_datastore '{}' failed - {}", store, err);
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continue;
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}
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};
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let store_config: DataStoreConfig = match serde_json::from_value(store_config) {
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Ok(c) => c,
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Err(err) => {
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eprintln!("datastore '{}' config from_value failed - {}", store, err);
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continue;
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}
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};
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let event_str = match store_config.prune_schedule {
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Some(event_str) => event_str,
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None => continue,
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};
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let prune_options = PruneOptions {
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keep_last: store_config.keep_last,
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keep_hourly: store_config.keep_hourly,
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keep_daily: store_config.keep_daily,
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keep_weekly: store_config.keep_weekly,
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keep_monthly: store_config.keep_monthly,
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keep_yearly: store_config.keep_yearly,
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};
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if !prune_options.keeps_something() { // no prune settings - keep all
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continue;
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}
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let event = match parse_calendar_event(&event_str) {
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Ok(event) => event,
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Err(err) => {
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eprintln!("unable to parse schedule '{}' - {}", event_str, err);
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continue;
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}
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};
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let worker_type = "prune";
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let last = match lookup_last_worker(worker_type, &store) {
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Ok(Some(upid)) => {
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if proxmox_backup::server::worker_is_active_local(&upid) {
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continue;
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}
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upid.starttime
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}
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Ok(None) => 0,
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Err(err) => {
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eprintln!("lookup_last_job_start failed: {}", err);
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continue;
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}
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};
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let next = match compute_next_event(&event, last, false) {
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Ok(Some(next)) => next,
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Ok(None) => continue,
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Err(err) => {
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eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
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continue;
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}
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};
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let now = proxmox::tools::time::epoch_i64();
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if next > now { continue; }
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let store2 = store.clone();
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if let Err(err) = WorkerTask::new_thread(
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worker_type,
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Some(store.clone()),
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Userid::backup_userid().clone(),
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false,
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move |worker| {
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worker.log(format!("Starting datastore prune on store \"{}\"", store));
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worker.log(format!("task triggered by schedule '{}'", event_str));
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worker.log(format!("retention options: {}", prune_options.cli_options_string()));
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let base_path = datastore.base_path();
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let groups = BackupGroup::list_groups(&base_path)?;
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for group in groups {
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let list = group.list_backups(&base_path)?;
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let mut prune_info = compute_prune_info(list, &prune_options)?;
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prune_info.reverse(); // delete older snapshots first
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worker.log(format!("Starting prune on store \"{}\" group \"{}/{}\"",
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store, group.backup_type(), group.backup_id()));
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for (info, keep) in prune_info {
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worker.log(format!(
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"{} {}/{}/{}",
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if keep { "keep" } else { "remove" },
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group.backup_type(), group.backup_id(),
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info.backup_dir.backup_time_string()));
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if !keep {
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datastore.remove_backup_dir(&info.backup_dir, true)?;
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}
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}
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}
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Ok(())
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}
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) {
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eprintln!("unable to start datastore prune on store {} - {}", store2, err);
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}
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}
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}
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async fn schedule_datastore_sync_jobs() {
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use proxmox_backup::{
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config::{ sync::{self, SyncJobConfig}, jobstate::{self, Job} },
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tools::systemd::time::{ parse_calendar_event, compute_next_event },
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};
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let config = match sync::config() {
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Err(err) => {
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eprintln!("unable to read sync job config - {}", err);
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return;
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}
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Ok((config, _digest)) => config,
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};
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for (job_id, (_, job_config)) in config.sections {
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let job_config: SyncJobConfig = match serde_json::from_value(job_config) {
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Ok(c) => c,
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Err(err) => {
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eprintln!("sync job config from_value failed - {}", err);
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continue;
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}
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};
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let event_str = match job_config.schedule {
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Some(ref event_str) => event_str.clone(),
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None => continue,
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};
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let event = match parse_calendar_event(&event_str) {
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Ok(event) => event,
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Err(err) => {
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eprintln!("unable to parse schedule '{}' - {}", event_str, err);
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continue;
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}
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};
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let worker_type = "syncjob";
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let last = match jobstate::last_run_time(worker_type, &job_id) {
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Ok(time) => time,
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Err(err) => {
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eprintln!("could not get last run time of {} {}: {}", worker_type, job_id, err);
|
|
continue;
|
|
}
|
|
};
|
|
|
|
let next = match compute_next_event(&event, last, false) {
|
|
Ok(Some(next)) => next,
|
|
Ok(None) => continue,
|
|
Err(err) => {
|
|
eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
|
|
continue;
|
|
}
|
|
};
|
|
|
|
let now = proxmox::tools::time::epoch_i64();
|
|
|
|
if next > now { continue; }
|
|
|
|
let job = match Job::new(worker_type, &job_id) {
|
|
Ok(job) => job,
|
|
Err(_) => continue, // could not get lock
|
|
};
|
|
|
|
let userid = Userid::backup_userid().clone();
|
|
|
|
if let Err(err) = do_sync_job(job, job_config, &userid, Some(event_str)) {
|
|
eprintln!("unable to start datastore sync job {} - {}", &job_id, err);
|
|
}
|
|
}
|
|
}
|
|
|
|
async fn run_stat_generator() {
|
|
|
|
let mut count = 0;
|
|
loop {
|
|
count += 1;
|
|
let save = if count >= 6 { count = 0; true } else { false };
|
|
|
|
let delay_target = Instant::now() + Duration::from_secs(10);
|
|
|
|
generate_host_stats(save).await;
|
|
|
|
tokio::time::delay_until(tokio::time::Instant::from_std(delay_target)).await;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
fn rrd_update_gauge(name: &str, value: f64, save: bool) {
|
|
use proxmox_backup::rrd;
|
|
if let Err(err) = rrd::update_value(name, value, rrd::DST::Gauge, save) {
|
|
eprintln!("rrd::update_value '{}' failed - {}", name, err);
|
|
}
|
|
}
|
|
|
|
fn rrd_update_derive(name: &str, value: f64, save: bool) {
|
|
use proxmox_backup::rrd;
|
|
if let Err(err) = rrd::update_value(name, value, rrd::DST::Derive, save) {
|
|
eprintln!("rrd::update_value '{}' failed - {}", name, err);
|
|
}
|
|
}
|
|
|
|
async fn generate_host_stats(save: bool) {
|
|
use proxmox::sys::linux::procfs::{
|
|
read_meminfo, read_proc_stat, read_proc_net_dev, read_loadavg};
|
|
use proxmox_backup::config::datastore;
|
|
|
|
|
|
proxmox_backup::tools::runtime::block_in_place(move || {
|
|
|
|
match read_proc_stat() {
|
|
Ok(stat) => {
|
|
rrd_update_gauge("host/cpu", stat.cpu, save);
|
|
rrd_update_gauge("host/iowait", stat.iowait_percent, save);
|
|
}
|
|
Err(err) => {
|
|
eprintln!("read_proc_stat failed - {}", err);
|
|
}
|
|
}
|
|
|
|
match read_meminfo() {
|
|
Ok(meminfo) => {
|
|
rrd_update_gauge("host/memtotal", meminfo.memtotal as f64, save);
|
|
rrd_update_gauge("host/memused", meminfo.memused as f64, save);
|
|
rrd_update_gauge("host/swaptotal", meminfo.swaptotal as f64, save);
|
|
rrd_update_gauge("host/swapused", meminfo.swapused as f64, save);
|
|
}
|
|
Err(err) => {
|
|
eprintln!("read_meminfo failed - {}", err);
|
|
}
|
|
}
|
|
|
|
match read_proc_net_dev() {
|
|
Ok(netdev) => {
|
|
use proxmox_backup::config::network::is_physical_nic;
|
|
let mut netin = 0;
|
|
let mut netout = 0;
|
|
for item in netdev {
|
|
if !is_physical_nic(&item.device) { continue; }
|
|
netin += item.receive;
|
|
netout += item.send;
|
|
}
|
|
rrd_update_derive("host/netin", netin as f64, save);
|
|
rrd_update_derive("host/netout", netout as f64, save);
|
|
}
|
|
Err(err) => {
|
|
eprintln!("read_prox_net_dev failed - {}", err);
|
|
}
|
|
}
|
|
|
|
match read_loadavg() {
|
|
Ok(loadavg) => {
|
|
rrd_update_gauge("host/loadavg", loadavg.0 as f64, save);
|
|
}
|
|
Err(err) => {
|
|
eprintln!("read_loadavg failed - {}", err);
|
|
}
|
|
}
|
|
|
|
let disk_manager = DiskManage::new();
|
|
|
|
gather_disk_stats(disk_manager.clone(), Path::new("/"), "host", save);
|
|
|
|
match datastore::config() {
|
|
Ok((config, _)) => {
|
|
let datastore_list: Vec<datastore::DataStoreConfig> =
|
|
config.convert_to_typed_array("datastore").unwrap_or(Vec::new());
|
|
|
|
for config in datastore_list {
|
|
|
|
let rrd_prefix = format!("datastore/{}", config.name);
|
|
let path = std::path::Path::new(&config.path);
|
|
gather_disk_stats(disk_manager.clone(), path, &rrd_prefix, save);
|
|
}
|
|
}
|
|
Err(err) => {
|
|
eprintln!("read datastore config failed - {}", err);
|
|
}
|
|
}
|
|
|
|
});
|
|
}
|
|
|
|
fn gather_disk_stats(disk_manager: Arc<DiskManage>, path: &Path, rrd_prefix: &str, save: bool) {
|
|
|
|
match proxmox_backup::tools::disks::disk_usage(path) {
|
|
Ok(status) => {
|
|
let rrd_key = format!("{}/total", rrd_prefix);
|
|
rrd_update_gauge(&rrd_key, status.total as f64, save);
|
|
let rrd_key = format!("{}/used", rrd_prefix);
|
|
rrd_update_gauge(&rrd_key, status.used as f64, save);
|
|
}
|
|
Err(err) => {
|
|
eprintln!("read disk_usage on {:?} failed - {}", path, err);
|
|
}
|
|
}
|
|
|
|
match disk_manager.find_mounted_device(path) {
|
|
Ok(None) => {},
|
|
Ok(Some((fs_type, device, source))) => {
|
|
let mut device_stat = None;
|
|
match fs_type.as_str() {
|
|
"zfs" => {
|
|
if let Some(pool) = source {
|
|
match zfs_pool_stats(&pool) {
|
|
Ok(stat) => device_stat = stat,
|
|
Err(err) => eprintln!("zfs_pool_stats({:?}) failed - {}", pool, err),
|
|
}
|
|
}
|
|
}
|
|
_ => {
|
|
if let Ok(disk) = disk_manager.clone().disk_by_dev_num(device.into_dev_t()) {
|
|
match disk.read_stat() {
|
|
Ok(stat) => device_stat = stat,
|
|
Err(err) => eprintln!("disk.read_stat {:?} failed - {}", path, err),
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if let Some(stat) = device_stat {
|
|
let rrd_key = format!("{}/read_ios", rrd_prefix);
|
|
rrd_update_derive(&rrd_key, stat.read_ios as f64, save);
|
|
let rrd_key = format!("{}/read_bytes", rrd_prefix);
|
|
rrd_update_derive(&rrd_key, (stat.read_sectors*512) as f64, save);
|
|
|
|
let rrd_key = format!("{}/write_ios", rrd_prefix);
|
|
rrd_update_derive(&rrd_key, stat.write_ios as f64, save);
|
|
let rrd_key = format!("{}/write_bytes", rrd_prefix);
|
|
rrd_update_derive(&rrd_key, (stat.write_sectors*512) as f64, save);
|
|
|
|
let rrd_key = format!("{}/io_ticks", rrd_prefix);
|
|
rrd_update_derive(&rrd_key, (stat.io_ticks as f64)/1000.0, save);
|
|
}
|
|
}
|
|
Err(err) => {
|
|
eprintln!("find_mounted_device failed - {}", err);
|
|
}
|
|
}
|
|
}
|