src/bin/proxmox-backup-proxy.rs

   1 use std::sync::{Arc};
   2 use std::path::{Path, PathBuf};
   3 use std::os::unix::io::AsRawFd;
   4
   5 use anyhow::{bail, format_err, Error};
   6 use futures::*;
   7 use hyper;
   8 use openssl::ssl::{SslMethod, SslAcceptor, SslFiletype};
   9
  10 use proxmox::try_block;
  11 use proxmox::api::RpcEnvironmentType;
  12
  13 use proxmox_backup::{
  14     backup::DataStore,
  15     server::{
  16         UPID,
  17         WorkerTask,
  18         ApiConfig,
  19         rest::*,
  20         jobstate::{
  21             self,
  22             Job,
  23         },
  24         rotate_task_log_archive,
  25     },
  26     tools::systemd::time::{
  27         parse_calendar_event,
  28         compute_next_event,
  29     },
  30 };
  31
  32
  33 use proxmox_backup::api2::types::Authid;
  34 use proxmox_backup::configdir;
  35 use proxmox_backup::buildcfg;
  36 use proxmox_backup::server;
  37 use proxmox_backup::auth_helpers::*;
  38 use proxmox_backup::tools::{
  39     daemon,
  40     disks::{
  41         DiskManage,
  42         zfs_pool_stats,
  43     },
  44     logrotate::LogRotate,
  45     socket::{
  46         set_tcp_keepalive,
  47         PROXMOX_BACKUP_TCP_KEEPALIVE_TIME,
  48     },
  49 };
  50
  51 use proxmox_backup::api2::pull::do_sync_job;
  52 use proxmox_backup::server::do_verification_job;
  53 use proxmox_backup::server::do_prune_job;
  54
  55 fn main() -> Result<(), Error> {
  56     proxmox_backup::tools::setup_safe_path_env();
  57
  58     let backup_uid = proxmox_backup::backup::backup_user()?.uid;
  59     let backup_gid = proxmox_backup::backup::backup_group()?.gid;
  60     let running_uid = nix::unistd::Uid::effective();
  61     let running_gid = nix::unistd::Gid::effective();
  62
  63     if running_uid != backup_uid || running_gid != backup_gid {
  64         bail!("proxy not running as backup user or group (got uid {} gid {})", running_uid, running_gid);
  65     }
  66
  67     proxmox_backup::tools::runtime::main(run())
  68 }
  69
  70 async fn run() -> Result<(), Error> {
  71     if let Err(err) = syslog::init(
  72         syslog::Facility::LOG_DAEMON,
  73         log::LevelFilter::Info,
  74         Some("proxmox-backup-proxy")) {
  75         bail!("unable to inititialize syslog - {}", err);
  76     }
  77
  78     let _ = public_auth_key(); // load with lazy_static
  79     let _ = csrf_secret(); // load with lazy_static
  80
  81     let mut config = ApiConfig::new(
  82         buildcfg::JS_DIR, &proxmox_backup::api2::ROUTER, RpcEnvironmentType::PUBLIC)?;
  83
  84     config.add_alias("novnc", "/usr/share/novnc-pve");
  85     config.add_alias("extjs", "/usr/share/javascript/extjs");
  86     config.add_alias("fontawesome", "/usr/share/fonts-font-awesome");
  87     config.add_alias("xtermjs", "/usr/share/pve-xtermjs");
  88     config.add_alias("locale", "/usr/share/pbs-i18n");
  89     config.add_alias("widgettoolkit", "/usr/share/javascript/proxmox-widget-toolkit");
  90     config.add_alias("css", "/usr/share/javascript/proxmox-backup/css");
  91     config.add_alias("docs", "/usr/share/doc/proxmox-backup/html");
  92
  93     let mut indexpath = PathBuf::from(buildcfg::JS_DIR);
  94     indexpath.push("index.hbs");
  95     config.register_template("index", &indexpath)?;
  96     config.register_template("console", "/usr/share/pve-xtermjs/index.html.hbs")?;
  97
  98     let mut commando_sock = server::CommandoSocket::new(server::our_ctrl_sock());
  99
 100     config.enable_file_log(buildcfg::API_ACCESS_LOG_FN, &mut commando_sock)?;
 101
 102     let rest_server = RestServer::new(config);
 103
 104     //openssl req -x509 -newkey rsa:4096 -keyout /etc/proxmox-backup/proxy.key -out /etc/proxmox-backup/proxy.pem -nodes
 105     let key_path = configdir!("/proxy.key");
 106     let cert_path = configdir!("/proxy.pem");
 107
 108     let mut acceptor = SslAcceptor::mozilla_intermediate_v5(SslMethod::tls()).unwrap();
 109     acceptor.set_private_key_file(key_path, SslFiletype::PEM)
 110         .map_err(|err| format_err!("unable to read proxy key {} - {}", key_path, err))?;
 111     acceptor.set_certificate_chain_file(cert_path)
 112         .map_err(|err| format_err!("unable to read proxy cert {} - {}", cert_path, err))?;
 113     acceptor.check_private_key().unwrap();
 114
 115     let acceptor = Arc::new(acceptor.build());
 116
 117     let server = daemon::create_daemon(
 118         ([0,0,0,0,0,0,0,0], 8007).into(),
 119         |listener, ready| {
 120             let connections = proxmox_backup::tools::async_io::StaticIncoming::from(listener)
 121                 .map_err(Error::from)
 122                 .try_filter_map(move |(sock, _addr)| {
 123                     let acceptor = Arc::clone(&acceptor);
 124                     async move {
 125                         sock.set_nodelay(true).unwrap();
 126
 127                         let _ = set_tcp_keepalive(sock.as_raw_fd(), PROXMOX_BACKUP_TCP_KEEPALIVE_TIME);
 128
 129                         Ok(tokio_openssl::accept(&acceptor, sock)
 130                             .await
 131                             .ok() // handshake errors aren't be fatal, so return None to filter
 132                         )
 133                     }
 134                 });
 135             let connections = proxmox_backup::tools::async_io::HyperAccept(connections);
 136
 137             Ok(ready
 138                 .and_then(|_| hyper::Server::builder(connections)
 139                     .serve(rest_server)
 140                     .with_graceful_shutdown(server::shutdown_future())
 141                     .map_err(Error::from)
 142                 )
 143                 .map_err(|err| eprintln!("server error: {}", err))
 144                 .map(|_| ())
 145             )
 146         },
 147     );
 148
 149     server::write_pid(buildcfg::PROXMOX_BACKUP_PROXY_PID_FN)?;
 150     daemon::systemd_notify(daemon::SystemdNotify::Ready)?;
 151
 152     let init_result: Result<(), Error> = try_block!({
 153         server::register_task_control_commands(&mut commando_sock)?;
 154         commando_sock.spawn()?;
 155         server::server_state_init()?;
 156         Ok(())
 157     });
 158
 159     if let Err(err) = init_result {
 160         bail!("unable to start daemon - {}", err);
 161     }
 162
 163     start_task_scheduler();
 164     start_stat_generator();
 165
 166     server.await?;
 167     log::info!("server shutting down, waiting for active workers to complete");
 168     proxmox_backup::server::last_worker_future().await?;
 169     log::info!("done - exit server");
 170
 171     Ok(())
 172 }
 173
 174 fn start_stat_generator() {
 175     let abort_future = server::shutdown_future();
 176     let future = Box::pin(run_stat_generator());
 177     let task = futures::future::select(future, abort_future);
 178     tokio::spawn(task.map(|_| ()));
 179 }
 180
 181 fn start_task_scheduler() {
 182     let abort_future = server::shutdown_future();
 183     let future = Box::pin(run_task_scheduler());
 184     let task = futures::future::select(future, abort_future);
 185     tokio::spawn(task.map(|_| ()));
 186 }
 187
 188 use std::time::{SystemTime, Instant, Duration, UNIX_EPOCH};
 189
 190 fn next_minute() -> Result<Instant, Error> {
 191     let now = SystemTime::now();
 192     let epoch_now = now.duration_since(UNIX_EPOCH)?;
 193     let epoch_next = Duration::from_secs((epoch_now.as_secs()/60  + 1)*60);
 194     Ok(Instant::now() + epoch_next - epoch_now)
 195 }
 196
 197 async fn run_task_scheduler() {
 198
 199     let mut count: usize = 0;
 200
 201     loop {
 202         count += 1;
 203
 204         let delay_target = match next_minute() {  // try to run very minute
 205             Ok(d) => d,
 206             Err(err) => {
 207                 eprintln!("task scheduler: compute next minute failed - {}", err);
 208                 tokio::time::delay_until(tokio::time::Instant::from_std(Instant::now() + Duration::from_secs(60))).await;
 209                 continue;
 210             }
 211         };
 212
 213         if count > 2 { // wait 1..2 minutes before starting
 214             match schedule_tasks().catch_unwind().await {
 215                 Err(panic) => {
 216                     match panic.downcast::<&str>() {
 217                         Ok(msg) => {
 218                             eprintln!("task scheduler panic: {}", msg);
 219                         }
 220                         Err(_) => {
 221                             eprintln!("task scheduler panic - unknown type");
 222                         }
 223                     }
 224                 }
 225                 Ok(Err(err)) => {
 226                     eprintln!("task scheduler failed - {:?}", err);
 227                 }
 228                 Ok(Ok(_)) => {}
 229             }
 230         }
 231
 232         tokio::time::delay_until(tokio::time::Instant::from_std(delay_target)).await;
 233     }
 234 }
 235
 236 async fn schedule_tasks() -> Result<(), Error> {
 237
 238     schedule_datastore_garbage_collection().await;
 239     schedule_datastore_prune().await;
 240     schedule_datastore_sync_jobs().await;
 241     schedule_datastore_verify_jobs().await;
 242     schedule_task_log_rotate().await;
 243
 244     Ok(())
 245 }
 246
 247 async fn schedule_datastore_garbage_collection() {
 248
 249     use proxmox_backup::config::{
 250         datastore::{
 251             self,
 252             DataStoreConfig,
 253         },
 254     };
 255
 256     let config = match datastore::config() {
 257         Err(err) => {
 258             eprintln!("unable to read datastore config - {}", err);
 259             return;
 260         }
 261         Ok((config, _digest)) => config,
 262     };
 263
 264     for (store, (_, store_config)) in config.sections {
 265         let datastore = match DataStore::lookup_datastore(&store) {
 266             Ok(datastore) => datastore,
 267             Err(err) => {
 268                 eprintln!("lookup_datastore failed - {}", err);
 269                 continue;
 270             }
 271         };
 272
 273         let store_config: DataStoreConfig = match serde_json::from_value(store_config) {
 274             Ok(c) => c,
 275             Err(err) => {
 276                 eprintln!("datastore config from_value failed - {}", err);
 277                 continue;
 278             }
 279         };
 280
 281         let event_str = match store_config.gc_schedule {
 282             Some(event_str) => event_str,
 283             None => continue,
 284         };
 285
 286         let event = match parse_calendar_event(&event_str) {
 287             Ok(event) => event,
 288             Err(err) => {
 289                 eprintln!("unable to parse schedule '{}' - {}", event_str, err);
 290                 continue;
 291             }
 292         };
 293
 294         if datastore.garbage_collection_running() { continue; }
 295
 296         let worker_type = "garbage_collection";
 297
 298         let last = match jobstate::last_run_time(worker_type, &store) {
 299             Ok(time) => time,
 300             Err(err) => {
 301                 eprintln!("could not get last run time of {} {}: {}", worker_type, store, err);
 302                 continue;
 303             }
 304         };
 305
 306         let next = match compute_next_event(&event, last, false) {
 307             Ok(Some(next)) => next,
 308             Ok(None) => continue,
 309             Err(err) => {
 310                 eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
 311                 continue;
 312             }
 313         };
 314
 315         let now = proxmox::tools::time::epoch_i64();
 316
 317         if next > now  { continue; }
 318
 319         let job = match Job::new(worker_type, &store) {
 320             Ok(job) => job,
 321             Err(_) => continue, // could not get lock
 322         };
 323
 324         let auth_id = Authid::backup_auth_id();
 325
 326         if let Err(err) = crate::server::do_garbage_collection_job(job, datastore, auth_id, Some(event_str), false) {
 327             eprintln!("unable to start garbage collection job on datastore {} - {}", store, err);
 328         }
 329     }
 330 }
 331
 332 async fn schedule_datastore_prune() {
 333
 334     use proxmox_backup::{
 335         backup::{
 336             PruneOptions,
 337         },
 338         config::datastore::{
 339             self,
 340             DataStoreConfig,
 341         },
 342     };
 343
 344     let config = match datastore::config() {
 345         Err(err) => {
 346             eprintln!("unable to read datastore config - {}", err);
 347             return;
 348         }
 349         Ok((config, _digest)) => config,
 350     };
 351
 352     for (store, (_, store_config)) in config.sections {
 353
 354         let store_config: DataStoreConfig = match serde_json::from_value(store_config) {
 355             Ok(c) => c,
 356             Err(err) => {
 357                 eprintln!("datastore '{}' config from_value failed - {}", store, err);
 358                 continue;
 359             }
 360         };
 361
 362         let event_str = match store_config.prune_schedule {
 363             Some(event_str) => event_str,
 364             None => continue,
 365         };
 366
 367         let prune_options = PruneOptions {
 368             keep_last: store_config.keep_last,
 369             keep_hourly: store_config.keep_hourly,
 370             keep_daily:  store_config.keep_daily,
 371             keep_weekly: store_config.keep_weekly,
 372             keep_monthly: store_config.keep_monthly,
 373             keep_yearly: store_config.keep_yearly,
 374         };
 375
 376         if !prune_options.keeps_something() { // no prune settings - keep all
 377             continue;
 378         }
 379
 380         let worker_type = "prune";
 381         if check_schedule(worker_type, &event_str, &store) {
 382             let job = match Job::new(worker_type, &store) {
 383                 Ok(job) => job,
 384                 Err(_) => continue, // could not get lock
 385             };
 386
 387             let auth_id = Authid::backup_auth_id().clone();
 388             if let Err(err) = do_prune_job(job, prune_options, store.clone(), &auth_id, Some(event_str)) {
 389                 eprintln!("unable to start datastore prune job {} - {}", &store, err);
 390             }
 391         };
 392     }
 393 }
 394
 395 async fn schedule_datastore_sync_jobs() {
 396
 397     use proxmox_backup::config::sync::{
 398         self,
 399         SyncJobConfig,
 400     };
 401
 402     let config = match sync::config() {
 403         Err(err) => {
 404             eprintln!("unable to read sync job config - {}", err);
 405             return;
 406         }
 407         Ok((config, _digest)) => config,
 408     };
 409
 410     for (job_id, (_, job_config)) in config.sections {
 411         let job_config: SyncJobConfig = match serde_json::from_value(job_config) {
 412             Ok(c) => c,
 413             Err(err) => {
 414                 eprintln!("sync job config from_value failed - {}", err);
 415                 continue;
 416             }
 417         };
 418
 419         let event_str = match job_config.schedule {
 420             Some(ref event_str) => event_str.clone(),
 421             None => continue,
 422         };
 423
 424         let worker_type = "syncjob";
 425         if check_schedule(worker_type, &event_str, &job_id) {
 426             let job = match Job::new(worker_type, &job_id) {
 427                 Ok(job) => job,
 428                 Err(_) => continue, // could not get lock
 429             };
 430
 431             let auth_id = Authid::backup_auth_id().clone();
 432             if let Err(err) = do_sync_job(job, job_config, &auth_id, Some(event_str)) {
 433                 eprintln!("unable to start datastore sync job {} - {}", &job_id, err);
 434             }
 435         };
 436     }
 437 }
 438
 439 async fn schedule_datastore_verify_jobs() {
 440
 441     use proxmox_backup::config::verify::{
 442         self,
 443         VerificationJobConfig,
 444     };
 445
 446     let config = match verify::config() {
 447         Err(err) => {
 448             eprintln!("unable to read verification job config - {}", err);
 449             return;
 450         }
 451         Ok((config, _digest)) => config,
 452     };
 453     for (job_id, (_, job_config)) in config.sections {
 454         let job_config: VerificationJobConfig = match serde_json::from_value(job_config) {
 455             Ok(c) => c,
 456             Err(err) => {
 457                 eprintln!("verification job config from_value failed - {}", err);
 458                 continue;
 459             }
 460         };
 461         let event_str = match job_config.schedule {
 462             Some(ref event_str) => event_str.clone(),
 463             None => continue,
 464         };
 465
 466         let worker_type = "verificationjob";
 467         let auth_id = Authid::backup_auth_id().clone();
 468         if check_schedule(worker_type, &event_str, &job_id) {
 469             let job = match Job::new(&worker_type, &job_id) {
 470                 Ok(job) => job,
 471                 Err(_) => continue, // could not get lock
 472             };
 473             if let Err(err) = do_verification_job(job, job_config, &auth_id, Some(event_str)) {
 474                 eprintln!("unable to start datastore verification job {} - {}", &job_id, err);
 475             }
 476         };
 477     }
 478 }
 479
 480 async fn schedule_task_log_rotate() {
 481
 482     let worker_type = "logrotate";
 483     let job_id = "access-log_and_task-archive";
 484
 485     // schedule daily at 00:00 like normal logrotate
 486     let schedule = "00:00";
 487
 488     if !check_schedule(worker_type, schedule, job_id) {
 489         // if we never ran the rotation, schedule instantly
 490         match jobstate::JobState::load(worker_type, job_id) {
 491             Ok(state) => match state {
 492                 jobstate::JobState::Created { .. } => {},
 493                 _ => return,
 494             },
 495             _ => return,
 496         }
 497     }
 498
 499     let mut job = match Job::new(worker_type, job_id) {
 500         Ok(job) => job,
 501         Err(_) => return, // could not get lock
 502     };
 503
 504     if let Err(err) = WorkerTask::new_thread(
 505         worker_type,
 506         None,
 507         Authid::backup_auth_id().clone(),
 508         false,
 509         move |worker| {
 510             job.start(&worker.upid().to_string())?;
 511             worker.log(format!("starting task log rotation"));
 512
 513             let result = try_block!({
 514                 let max_size = 512 * 1024 - 1; // an entry has ~ 100b, so > 5000 entries/file
 515                 let max_files = 20; // times twenty files gives > 100000 task entries
 516                 let has_rotated = rotate_task_log_archive(max_size, true, Some(max_files))?;
 517                 if has_rotated {
 518                     worker.log(format!("task log archive was rotated"));
 519                 } else {
 520                     worker.log(format!("task log archive was not rotated"));
 521                 }
 522
 523                 let max_size = 32 * 1024 * 1024 - 1;
 524                 let max_files = 14;
 525                 let mut logrotate = LogRotate::new(buildcfg::API_ACCESS_LOG_FN, true)
 526                         .ok_or_else(|| format_err!("could not get API access log file names"))?;
 527
 528                 let has_rotated = logrotate.rotate(max_size, None, Some(max_files))?;
 529                 if has_rotated {
 530                     println!("rotated access log, telling daemons to re-open log file");
 531                     proxmox_backup::tools::runtime::block_on(command_reopen_logfiles())?;
 532
 533                     worker.log(format!("API access log was rotated"));
 534                 } else {
 535                     worker.log(format!("API access log was not rotated"));
 536                 }
 537
 538                 Ok(())
 539             });
 540
 541             let status = worker.create_state(&result);
 542
 543             if let Err(err) = job.finish(status) {
 544                 eprintln!("could not finish job state for {}: {}", worker_type, err);
 545             }
 546
 547             result
 548         },
 549     ) {
 550         eprintln!("unable to start task log rotation: {}", err);
 551     }
 552
 553 }
 554
 555 async fn command_reopen_logfiles() -> Result<(), Error> {
 556     // only care about the most recent daemon instance for each, proxy & api, as other older ones
 557     // should not respond to new requests anyway, but only finish their current one and then exit.
 558     let sock = server::our_ctrl_sock();
 559     server::send_command(sock, serde_json::json!({
 560         "command": "api-access-log-reopen",
 561     })).await?;
 562
 563     let pid = server::read_pid(buildcfg::PROXMOX_BACKUP_API_PID_FN)?;
 564     let sock = server::ctrl_sock_from_pid(pid);
 565     server::send_command(sock, serde_json::json!({
 566         "command": "api-access-log-reopen",
 567     })).await?;
 568     Ok(())
 569 }
 570
 571 async fn run_stat_generator() {
 572
 573     let mut count = 0;
 574     loop {
 575         count += 1;
 576         let save = if count >= 6 { count = 0; true } else { false };
 577
 578         let delay_target = Instant::now() +  Duration::from_secs(10);
 579
 580         generate_host_stats(save).await;
 581
 582         tokio::time::delay_until(tokio::time::Instant::from_std(delay_target)).await;
 583
 584      }
 585
 586 }
 587
 588 fn rrd_update_gauge(name: &str, value: f64, save: bool) {
 589     use proxmox_backup::rrd;
 590     if let Err(err) = rrd::update_value(name, value, rrd::DST::Gauge, save) {
 591         eprintln!("rrd::update_value '{}' failed - {}", name, err);
 592     }
 593 }
 594
 595 fn rrd_update_derive(name: &str, value: f64, save: bool) {
 596     use proxmox_backup::rrd;
 597     if let Err(err) = rrd::update_value(name, value, rrd::DST::Derive, save) {
 598         eprintln!("rrd::update_value '{}' failed - {}", name, err);
 599     }
 600 }
 601
 602 async fn generate_host_stats(save: bool) {
 603     use proxmox::sys::linux::procfs::{
 604         read_meminfo, read_proc_stat, read_proc_net_dev, read_loadavg};
 605     use proxmox_backup::config::datastore;
 606
 607
 608     proxmox_backup::tools::runtime::block_in_place(move || {
 609
 610         match read_proc_stat() {
 611             Ok(stat) => {
 612                 rrd_update_gauge("host/cpu", stat.cpu, save);
 613                 rrd_update_gauge("host/iowait", stat.iowait_percent, save);
 614             }
 615             Err(err) => {
 616                 eprintln!("read_proc_stat failed - {}", err);
 617             }
 618         }
 619
 620         match read_meminfo() {
 621             Ok(meminfo) => {
 622                 rrd_update_gauge("host/memtotal", meminfo.memtotal as f64, save);
 623                 rrd_update_gauge("host/memused", meminfo.memused as f64, save);
 624                 rrd_update_gauge("host/swaptotal", meminfo.swaptotal as f64, save);
 625                 rrd_update_gauge("host/swapused", meminfo.swapused as f64, save);
 626             }
 627             Err(err) => {
 628                 eprintln!("read_meminfo failed - {}", err);
 629             }
 630         }
 631
 632         match read_proc_net_dev() {
 633             Ok(netdev) => {
 634                 use proxmox_backup::config::network::is_physical_nic;
 635                 let mut netin = 0;
 636                 let mut netout = 0;
 637                 for item in netdev {
 638                     if !is_physical_nic(&item.device) { continue; }
 639                     netin += item.receive;
 640                     netout += item.send;
 641                 }
 642                 rrd_update_derive("host/netin", netin as f64, save);
 643                 rrd_update_derive("host/netout", netout as f64, save);
 644             }
 645             Err(err) => {
 646                 eprintln!("read_prox_net_dev failed - {}", err);
 647             }
 648         }
 649
 650         match read_loadavg() {
 651             Ok(loadavg) => {
 652                 rrd_update_gauge("host/loadavg", loadavg.0 as f64, save);
 653             }
 654             Err(err) => {
 655                 eprintln!("read_loadavg failed - {}", err);
 656             }
 657         }
 658
 659         let disk_manager = DiskManage::new();
 660
 661         gather_disk_stats(disk_manager.clone(), Path::new("/"), "host", save);
 662
 663         match datastore::config() {
 664             Ok((config, _)) => {
 665                 let datastore_list: Vec<datastore::DataStoreConfig> =
 666                     config.convert_to_typed_array("datastore").unwrap_or(Vec::new());
 667
 668                 for config in datastore_list {
 669
 670                     let rrd_prefix = format!("datastore/{}", config.name);
 671                     let path = std::path::Path::new(&config.path);
 672                     gather_disk_stats(disk_manager.clone(), path, &rrd_prefix, save);
 673                 }
 674             }
 675             Err(err) => {
 676                 eprintln!("read datastore config failed - {}", err);
 677             }
 678         }
 679
 680     });
 681 }
 682
 683 fn check_schedule(worker_type: &str, event_str: &str, id: &str) -> bool {
 684     let event = match parse_calendar_event(event_str) {
 685         Ok(event) => event,
 686         Err(err) => {
 687             eprintln!("unable to parse schedule '{}' - {}", event_str, err);
 688             return false;
 689         }
 690     };
 691
 692     let last = match jobstate::last_run_time(worker_type, &id) {
 693         Ok(time) => time,
 694         Err(err) => {
 695             eprintln!("could not get last run time of {} {}: {}", worker_type, id, err);
 696             return false;
 697         }
 698     };
 699
 700     let next = match compute_next_event(&event, last, false) {
 701         Ok(Some(next)) => next,
 702         Ok(None) => return false,
 703         Err(err) => {
 704             eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
 705             return false;
 706         }
 707     };
 708
 709     let now = proxmox::tools::time::epoch_i64();
 710     next <= now
 711 }
 712
 713 fn gather_disk_stats(disk_manager: Arc<DiskManage>, path: &Path, rrd_prefix: &str, save: bool) {
 714
 715     match proxmox_backup::tools::disks::disk_usage(path) {
 716         Ok(status) => {
 717             let rrd_key = format!("{}/total", rrd_prefix);
 718             rrd_update_gauge(&rrd_key, status.total as f64, save);
 719             let rrd_key = format!("{}/used", rrd_prefix);
 720             rrd_update_gauge(&rrd_key, status.used as f64, save);
 721         }
 722         Err(err) => {
 723             eprintln!("read disk_usage on {:?} failed - {}", path, err);
 724         }
 725     }
 726
 727     match disk_manager.find_mounted_device(path) {
 728         Ok(None) => {},
 729         Ok(Some((fs_type, device, source))) => {
 730             let mut device_stat = None;
 731             match fs_type.as_str() {
 732                 "zfs" => {
 733                     if let Some(pool) = source {
 734                         match zfs_pool_stats(&pool) {
 735                             Ok(stat) => device_stat = stat,
 736                             Err(err) => eprintln!("zfs_pool_stats({:?}) failed - {}", pool, err),
 737                         }
 738                     }
 739                 }
 740                 _ => {
 741                     if let Ok(disk) = disk_manager.clone().disk_by_dev_num(device.into_dev_t()) {
 742                         match disk.read_stat() {
 743                             Ok(stat) => device_stat = stat,
 744                             Err(err) => eprintln!("disk.read_stat {:?} failed - {}", path, err),
 745                         }
 746                     }
 747                 }
 748             }
 749             if let Some(stat) = device_stat {
 750                 let rrd_key = format!("{}/read_ios", rrd_prefix);
 751                 rrd_update_derive(&rrd_key, stat.read_ios as f64, save);
 752                 let rrd_key = format!("{}/read_bytes", rrd_prefix);
 753                 rrd_update_derive(&rrd_key, (stat.read_sectors*512) as f64, save);
 754
 755                 let rrd_key = format!("{}/write_ios", rrd_prefix);
 756                 rrd_update_derive(&rrd_key, stat.write_ios as f64, save);
 757                 let rrd_key = format!("{}/write_bytes", rrd_prefix);
 758                 rrd_update_derive(&rrd_key, (stat.write_sectors*512) as f64, save);
 759
 760                 let rrd_key = format!("{}/io_ticks", rrd_prefix);
 761                 rrd_update_derive(&rrd_key, (stat.io_ticks as f64)/1000.0, save);
 762             }
 763         }
 764         Err(err) => {
 765             eprintln!("find_mounted_device failed - {}", err);
 766         }
 767     }
 768 }