src/bin/proxmox-backup-proxy.rs

   1 use std::sync::{Arc};
   2 use std::path::{Path, PathBuf};
   3
   4 use anyhow::{bail, format_err, Error};
   5 use futures::*;
   6 use hyper;
   7 use openssl::ssl::{SslMethod, SslAcceptor, SslFiletype};
   8
   9 use proxmox::try_block;
  10 use proxmox::api::RpcEnvironmentType;
  11
  12 use proxmox_backup::api2::types::Userid;
  13 use proxmox_backup::configdir;
  14 use proxmox_backup::buildcfg;
  15 use proxmox_backup::server;
  16 use proxmox_backup::tools::daemon;
  17 use proxmox_backup::server::{ApiConfig, rest::*};
  18 use proxmox_backup::auth_helpers::*;
  19 use proxmox_backup::tools::disks::{ DiskManage, zfs_pool_stats };
  20
  21 use proxmox_backup::api2::pull::do_sync_job;
  22
  23 fn main() -> Result<(), Error> {
  24     proxmox_backup::tools::setup_safe_path_env();
  25
  26     let backup_uid = proxmox_backup::backup::backup_user()?.uid;
  27     let backup_gid = proxmox_backup::backup::backup_group()?.gid;
  28     let running_uid = nix::unistd::Uid::effective();
  29     let running_gid = nix::unistd::Gid::effective();
  30
  31     if running_uid != backup_uid || running_gid != backup_gid {
  32         bail!("proxy not running as backup user or group (got uid {} gid {})", running_uid, running_gid);
  33     }
  34
  35     proxmox_backup::tools::runtime::main(run())
  36 }
  37
  38 async fn run() -> Result<(), Error> {
  39     if let Err(err) = syslog::init(
  40         syslog::Facility::LOG_DAEMON,
  41         log::LevelFilter::Info,
  42         Some("proxmox-backup-proxy")) {
  43         bail!("unable to inititialize syslog - {}", err);
  44     }
  45
  46     let _ = public_auth_key(); // load with lazy_static
  47     let _ = csrf_secret(); // load with lazy_static
  48
  49     let mut config = ApiConfig::new(
  50         buildcfg::JS_DIR, &proxmox_backup::api2::ROUTER, RpcEnvironmentType::PUBLIC)?;
  51
  52     config.add_alias("novnc", "/usr/share/novnc-pve");
  53     config.add_alias("extjs", "/usr/share/javascript/extjs");
  54     config.add_alias("fontawesome", "/usr/share/fonts-font-awesome");
  55     config.add_alias("xtermjs", "/usr/share/pve-xtermjs");
  56     config.add_alias("locale", "/usr/share/pbs-i18n");
  57     config.add_alias("widgettoolkit", "/usr/share/javascript/proxmox-widget-toolkit");
  58     config.add_alias("css", "/usr/share/javascript/proxmox-backup/css");
  59     config.add_alias("docs", "/usr/share/doc/proxmox-backup/html");
  60
  61     let mut indexpath = PathBuf::from(buildcfg::JS_DIR);
  62     indexpath.push("index.hbs");
  63     config.register_template("index", &indexpath)?;
  64     config.register_template("console", "/usr/share/pve-xtermjs/index.html.hbs")?;
  65
  66     let rest_server = RestServer::new(config);
  67
  68     //openssl req -x509 -newkey rsa:4096 -keyout /etc/proxmox-backup/proxy.key -out /etc/proxmox-backup/proxy.pem -nodes
  69     let key_path = configdir!("/proxy.key");
  70     let cert_path = configdir!("/proxy.pem");
  71
  72     let mut acceptor = SslAcceptor::mozilla_intermediate_v5(SslMethod::tls()).unwrap();
  73     acceptor.set_private_key_file(key_path, SslFiletype::PEM)
  74         .map_err(|err| format_err!("unable to read proxy key {} - {}", key_path, err))?;
  75     acceptor.set_certificate_chain_file(cert_path)
  76         .map_err(|err| format_err!("unable to read proxy cert {} - {}", cert_path, err))?;
  77     acceptor.check_private_key().unwrap();
  78
  79     let acceptor = Arc::new(acceptor.build());
  80
  81     let server = daemon::create_daemon(
  82         ([0,0,0,0,0,0,0,0], 8007).into(),
  83         |listener, ready| {
  84             let connections = proxmox_backup::tools::async_io::StaticIncoming::from(listener)
  85                 .map_err(Error::from)
  86                 .try_filter_map(move |(sock, _addr)| {
  87                     let acceptor = Arc::clone(&acceptor);
  88                     async move {
  89                         sock.set_nodelay(true).unwrap();
  90                         Ok(tokio_openssl::accept(&acceptor, sock)
  91                             .await
  92                             .ok() // handshake errors aren't be fatal, so return None to filter
  93                         )
  94                     }
  95                 });
  96             let connections = proxmox_backup::tools::async_io::HyperAccept(connections);
  97
  98             Ok(ready
  99                 .and_then(|_| hyper::Server::builder(connections)
 100                     .serve(rest_server)
 101                     .with_graceful_shutdown(server::shutdown_future())
 102                     .map_err(Error::from)
 103                 )
 104                 .map_err(|err| eprintln!("server error: {}", err))
 105                 .map(|_| ())
 106             )
 107         },
 108     );
 109
 110     daemon::systemd_notify(daemon::SystemdNotify::Ready)?;
 111
 112     let init_result: Result<(), Error> = try_block!({
 113         server::create_task_control_socket()?;
 114         server::server_state_init()?;
 115         Ok(())
 116     });
 117
 118     if let Err(err) = init_result {
 119         bail!("unable to start daemon - {}", err);
 120     }
 121
 122     start_task_scheduler();
 123     start_stat_generator();
 124
 125     server.await?;
 126     log::info!("server shutting down, waiting for active workers to complete");
 127     proxmox_backup::server::last_worker_future().await?;
 128     log::info!("done - exit server");
 129
 130     Ok(())
 131 }
 132
 133 fn start_stat_generator() {
 134     let abort_future = server::shutdown_future();
 135     let future = Box::pin(run_stat_generator());
 136     let task = futures::future::select(future, abort_future);
 137     tokio::spawn(task.map(|_| ()));
 138 }
 139
 140 fn start_task_scheduler() {
 141     let abort_future = server::shutdown_future();
 142     let future = Box::pin(run_task_scheduler());
 143     let task = futures::future::select(future, abort_future);
 144     tokio::spawn(task.map(|_| ()));
 145 }
 146
 147 use std::time::{SystemTime, Instant, Duration, UNIX_EPOCH};
 148
 149 fn next_minute() -> Result<Instant, Error> {
 150     let now = SystemTime::now();
 151     let epoch_now = now.duration_since(UNIX_EPOCH)?;
 152     let epoch_next = Duration::from_secs((epoch_now.as_secs()/60  + 1)*60);
 153     Ok(Instant::now() + epoch_next - epoch_now)
 154 }
 155
 156 async fn run_task_scheduler() {
 157
 158     let mut count: usize = 0;
 159
 160     loop {
 161         count += 1;
 162
 163         let delay_target = match next_minute() {  // try to run very minute
 164             Ok(d) => d,
 165             Err(err) => {
 166                 eprintln!("task scheduler: compute next minute failed - {}", err);
 167                 tokio::time::delay_until(tokio::time::Instant::from_std(Instant::now() + Duration::from_secs(60))).await;
 168                 continue;
 169             }
 170         };
 171
 172         if count > 2 { // wait 1..2 minutes before starting
 173             match schedule_tasks().catch_unwind().await {
 174                 Err(panic) => {
 175                     match panic.downcast::<&str>() {
 176                         Ok(msg) => {
 177                             eprintln!("task scheduler panic: {}", msg);
 178                         }
 179                         Err(_) => {
 180                             eprintln!("task scheduler panic - unknown type");
 181                         }
 182                     }
 183                 }
 184                 Ok(Err(err)) => {
 185                     eprintln!("task scheduler failed - {:?}", err);
 186                 }
 187                 Ok(Ok(_)) => {}
 188             }
 189         }
 190
 191         tokio::time::delay_until(tokio::time::Instant::from_std(delay_target)).await;
 192     }
 193 }
 194
 195 async fn schedule_tasks() -> Result<(), Error> {
 196
 197     schedule_datastore_garbage_collection().await;
 198     schedule_datastore_prune().await;
 199     schedule_datastore_verification().await;
 200     schedule_datastore_sync_jobs().await;
 201     schedule_task_log_rotate().await;
 202
 203     Ok(())
 204 }
 205
 206 async fn schedule_datastore_garbage_collection() {
 207
 208     use proxmox_backup::backup::DataStore;
 209     use proxmox_backup::server::{UPID, WorkerTask};
 210     use proxmox_backup::config::{
 211         jobstate::{self, Job},
 212         datastore::{self, DataStoreConfig}
 213     };
 214     use proxmox_backup::tools::systemd::time::{
 215         parse_calendar_event, compute_next_event};
 216
 217     let config = match datastore::config() {
 218         Err(err) => {
 219             eprintln!("unable to read datastore config - {}", err);
 220             return;
 221         }
 222         Ok((config, _digest)) => config,
 223     };
 224
 225     for (store, (_, store_config)) in config.sections {
 226         let datastore = match DataStore::lookup_datastore(&store) {
 227             Ok(datastore) => datastore,
 228             Err(err) => {
 229                 eprintln!("lookup_datastore failed - {}", err);
 230                 continue;
 231             }
 232         };
 233
 234         let store_config: DataStoreConfig = match serde_json::from_value(store_config) {
 235             Ok(c) => c,
 236             Err(err) => {
 237                 eprintln!("datastore config from_value failed - {}", err);
 238                 continue;
 239             }
 240         };
 241
 242         let event_str = match store_config.gc_schedule {
 243             Some(event_str) => event_str,
 244             None => continue,
 245         };
 246
 247         let event = match parse_calendar_event(&event_str) {
 248             Ok(event) => event,
 249             Err(err) => {
 250                 eprintln!("unable to parse schedule '{}' - {}", event_str, err);
 251                 continue;
 252             }
 253         };
 254
 255         if datastore.garbage_collection_running() { continue; }
 256
 257         let worker_type = "garbage_collection";
 258
 259         let stat = datastore.last_gc_status();
 260         let last = if let Some(upid_str) = stat.upid {
 261             match upid_str.parse::<UPID>() {
 262                 Ok(upid) => upid.starttime,
 263                 Err(err) => {
 264                     eprintln!("unable to parse upid '{}' - {}", upid_str, err);
 265                     continue;
 266                 }
 267             }
 268         } else {
 269             match jobstate::last_run_time(worker_type, &store) {
 270                 Ok(time) => time,
 271                 Err(err) => {
 272                     eprintln!("could not get last run time of {} {}: {}", worker_type, store, err);
 273                     continue;
 274                 }
 275             }
 276         };
 277
 278         let next = match compute_next_event(&event, last, false) {
 279             Ok(Some(next)) => next,
 280             Ok(None) => continue,
 281             Err(err) => {
 282                 eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
 283                 continue;
 284             }
 285         };
 286
 287         let now = proxmox::tools::time::epoch_i64();
 288
 289         if next > now  { continue; }
 290
 291         let mut job = match Job::new(worker_type, &store) {
 292             Ok(job) => job,
 293             Err(_) => continue, // could not get lock
 294         };
 295
 296         let store2 = store.clone();
 297
 298         if let Err(err) = WorkerTask::new_thread(
 299             worker_type,
 300             Some(store.clone()),
 301             Userid::backup_userid().clone(),
 302             false,
 303             move |worker| {
 304                 job.start(&worker.upid().to_string())?;
 305
 306                 worker.log(format!("starting garbage collection on store {}", store));
 307                 worker.log(format!("task triggered by schedule '{}'", event_str));
 308
 309                 let result = datastore.garbage_collection(&*worker, worker.upid());
 310
 311                 let status = worker.create_state(&result);
 312
 313                 if let Err(err) = job.finish(status) {
 314                     eprintln!("could not finish job state for {}: {}", worker_type, err);
 315                 }
 316
 317                 result
 318             }
 319         ) {
 320             eprintln!("unable to start garbage collection on store {} - {}", store2, err);
 321         }
 322     }
 323 }
 324
 325 async fn schedule_datastore_prune() {
 326
 327     use proxmox_backup::backup::{
 328         PruneOptions, DataStore, BackupGroup, compute_prune_info};
 329     use proxmox_backup::server::{WorkerTask};
 330     use proxmox_backup::config::{
 331         jobstate::{self, Job},
 332         datastore::{self, DataStoreConfig}
 333     };
 334     use proxmox_backup::tools::systemd::time::{
 335         parse_calendar_event, compute_next_event};
 336
 337     let config = match datastore::config() {
 338         Err(err) => {
 339             eprintln!("unable to read datastore config - {}", err);
 340             return;
 341         }
 342         Ok((config, _digest)) => config,
 343     };
 344
 345     for (store, (_, store_config)) in config.sections {
 346         let datastore = match DataStore::lookup_datastore(&store) {
 347             Ok(datastore) => datastore,
 348             Err(err) => {
 349                 eprintln!("lookup_datastore '{}' failed - {}", store, err);
 350                 continue;
 351             }
 352         };
 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 event = match parse_calendar_event(&event_str) {
 381             Ok(event) => event,
 382             Err(err) => {
 383                 eprintln!("unable to parse schedule '{}' - {}", event_str, err);
 384                 continue;
 385             }
 386         };
 387
 388         let worker_type = "prune";
 389
 390         let last = match jobstate::last_run_time(worker_type, &store) {
 391             Ok(time) => time,
 392             Err(err) => {
 393                 eprintln!("could not get last run time of {} {}: {}", worker_type, store, err);
 394                 continue;
 395             }
 396         };
 397
 398         let next = match compute_next_event(&event, last, false) {
 399             Ok(Some(next)) => next,
 400             Ok(None) => continue,
 401             Err(err) => {
 402                 eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
 403                 continue;
 404             }
 405         };
 406
 407         let now = proxmox::tools::time::epoch_i64();
 408
 409         if next > now  { continue; }
 410
 411         let mut job = match Job::new(worker_type, &store) {
 412             Ok(job) => job,
 413             Err(_) => continue, // could not get lock
 414         };
 415
 416         let store2 = store.clone();
 417
 418         if let Err(err) = WorkerTask::new_thread(
 419             worker_type,
 420             Some(store.clone()),
 421             Userid::backup_userid().clone(),
 422             false,
 423             move |worker| {
 424
 425                 job.start(&worker.upid().to_string())?;
 426
 427                 let result = try_block!({
 428
 429                     worker.log(format!("Starting datastore prune on store \"{}\"", store));
 430                     worker.log(format!("task triggered by schedule '{}'", event_str));
 431                     worker.log(format!("retention options: {}", prune_options.cli_options_string()));
 432
 433                     let base_path = datastore.base_path();
 434
 435                     let groups = BackupGroup::list_groups(&base_path)?;
 436                     for group in groups {
 437                         let list = group.list_backups(&base_path)?;
 438                         let mut prune_info = compute_prune_info(list, &prune_options)?;
 439                         prune_info.reverse(); // delete older snapshots first
 440
 441                         worker.log(format!("Starting prune on store \"{}\" group \"{}/{}\"",
 442                                 store, group.backup_type(), group.backup_id()));
 443
 444                         for (info, keep) in prune_info {
 445                             worker.log(format!(
 446                                     "{} {}/{}/{}",
 447                                     if keep { "keep" } else { "remove" },
 448                                     group.backup_type(), group.backup_id(),
 449                                     info.backup_dir.backup_time_string()));
 450                             if !keep {
 451                                 datastore.remove_backup_dir(&info.backup_dir, true)?;
 452                             }
 453                         }
 454                     }
 455                     Ok(())
 456                 });
 457
 458                 let status = worker.create_state(&result);
 459
 460                 if let Err(err) = job.finish(status) {
 461                     eprintln!("could not finish job state for {}: {}", worker_type, err);
 462                 }
 463
 464                 result
 465             }
 466         ) {
 467             eprintln!("unable to start datastore prune on store {} - {}", store2, err);
 468         }
 469     }
 470 }
 471
 472 async fn schedule_datastore_verification() {
 473     use proxmox_backup::backup::{DataStore, verify_all_backups};
 474     use proxmox_backup::server::{WorkerTask};
 475     use proxmox_backup::config::{
 476         jobstate::{self, Job},
 477         datastore::{self, DataStoreConfig}
 478     };
 479     use proxmox_backup::tools::systemd::time::{
 480         parse_calendar_event, compute_next_event};
 481
 482     let config = match datastore::config() {
 483         Err(err) => {
 484             eprintln!("unable to read datastore config - {}", err);
 485             return;
 486         }
 487         Ok((config, _digest)) => config,
 488     };
 489
 490     for (store, (_, store_config)) in config.sections {
 491         let datastore = match DataStore::lookup_datastore(&store) {
 492             Ok(datastore) => datastore,
 493             Err(err) => {
 494                 eprintln!("lookup_datastore failed - {}", err);
 495                 continue;
 496             }
 497         };
 498
 499         let store_config: DataStoreConfig = match serde_json::from_value(store_config) {
 500             Ok(c) => c,
 501             Err(err) => {
 502                 eprintln!("datastore config from_value failed - {}", err);
 503                 continue;
 504             }
 505         };
 506
 507         let event_str = match store_config.verify_schedule {
 508             Some(event_str) => event_str,
 509             None => continue,
 510         };
 511
 512         let event = match parse_calendar_event(&event_str) {
 513             Ok(event) => event,
 514             Err(err) => {
 515                 eprintln!("unable to parse schedule '{}' - {}", event_str, err);
 516                 continue;
 517             }
 518         };
 519
 520         let worker_type = "verify";
 521
 522         let last = match jobstate::last_run_time(worker_type, &store) {
 523             Ok(time) => time,
 524             Err(err) => {
 525                 eprintln!("could not get last run time of {} {}: {}", worker_type, store, err);
 526                 continue;
 527             }
 528         };
 529
 530         let next = match compute_next_event(&event, last, false) {
 531             Ok(Some(next)) => next,
 532             Ok(None) => continue,
 533             Err(err) => {
 534                 eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
 535                 continue;
 536             }
 537         };
 538
 539         let now = proxmox::tools::time::epoch_i64();
 540
 541         if next > now { continue; }
 542
 543         let mut job = match Job::new(worker_type, &store) {
 544             Ok(job) => job,
 545             Err(_) => continue, // could not get lock
 546         };
 547
 548         let worker_id = store.clone();
 549         let store2 = store.clone();
 550         if let Err(err) = WorkerTask::new_thread(
 551             worker_type,
 552             Some(worker_id),
 553             Userid::backup_userid().clone(),
 554             false,
 555             move |worker| {
 556                 job.start(&worker.upid().to_string())?;
 557                 worker.log(format!("starting verification on store {}", store2));
 558                 worker.log(format!("task triggered by schedule '{}'", event_str));
 559                 let result = try_block!({
 560                     let failed_dirs =
 561                         verify_all_backups(datastore, worker.clone(), worker.upid())?;
 562                     if failed_dirs.len() > 0 {
 563                         worker.log("Failed to verify following snapshots:");
 564                         for dir in failed_dirs {
 565                             worker.log(format!("\t{}", dir));
 566                         }
 567                         Err(format_err!("verification failed - please check the log for details"))
 568                     } else {
 569                         Ok(())
 570                     }
 571                 });
 572
 573                 let status = worker.create_state(&result);
 574
 575                 if let Err(err) = job.finish(status) {
 576                     eprintln!("could not finish job state for {}: {}", worker_type, err);
 577                 }
 578
 579                 result
 580             },
 581         ) {
 582             eprintln!("unable to start verification on store {} - {}", store, err);
 583         }
 584     }
 585 }
 586
 587 async fn schedule_datastore_sync_jobs() {
 588
 589     use proxmox_backup::{
 590         config::{ sync::{self, SyncJobConfig}, jobstate::{self, Job} },
 591         tools::systemd::time::{ parse_calendar_event, compute_next_event },
 592     };
 593
 594     let config = match sync::config() {
 595         Err(err) => {
 596             eprintln!("unable to read sync job config - {}", err);
 597             return;
 598         }
 599         Ok((config, _digest)) => config,
 600     };
 601
 602     for (job_id, (_, job_config)) in config.sections {
 603         let job_config: SyncJobConfig = match serde_json::from_value(job_config) {
 604             Ok(c) => c,
 605             Err(err) => {
 606                 eprintln!("sync job config from_value failed - {}", err);
 607                 continue;
 608             }
 609         };
 610
 611         let event_str = match job_config.schedule {
 612             Some(ref event_str) => event_str.clone(),
 613             None => continue,
 614         };
 615
 616         let event = match parse_calendar_event(&event_str) {
 617             Ok(event) => event,
 618             Err(err) => {
 619                 eprintln!("unable to parse schedule '{}' - {}", event_str, err);
 620                 continue;
 621             }
 622         };
 623
 624         let worker_type = "syncjob";
 625
 626         let last = match jobstate::last_run_time(worker_type, &job_id) {
 627             Ok(time) => time,
 628             Err(err) => {
 629                 eprintln!("could not get last run time of {} {}: {}", worker_type, job_id, err);
 630                 continue;
 631             }
 632         };
 633
 634         let next = match compute_next_event(&event, last, false) {
 635             Ok(Some(next)) => next,
 636             Ok(None) => continue,
 637             Err(err) => {
 638                 eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
 639                 continue;
 640             }
 641         };
 642
 643         let now = proxmox::tools::time::epoch_i64();
 644
 645         if next > now  { continue; }
 646
 647         let job = match Job::new(worker_type, &job_id) {
 648             Ok(job) => job,
 649             Err(_) => continue, // could not get lock
 650         };
 651
 652         let userid = Userid::backup_userid().clone();
 653
 654         if let Err(err) = do_sync_job(job, job_config, &userid, Some(event_str)) {
 655             eprintln!("unable to start datastore sync job {} - {}", &job_id, err);
 656         }
 657     }
 658 }
 659
 660 async fn schedule_task_log_rotate() {
 661     use proxmox_backup::{
 662         config::jobstate::{self, Job},
 663         server::rotate_task_log_archive,
 664     };
 665     use proxmox_backup::server::WorkerTask;
 666     use proxmox_backup::tools::systemd::time::{
 667         parse_calendar_event, compute_next_event};
 668
 669     let worker_type = "logrotate";
 670     let job_id = "task-archive";
 671
 672     let last = match jobstate::last_run_time(worker_type, job_id) {
 673         Ok(time) => time,
 674         Err(err) => {
 675             eprintln!("could not get last run time of task log archive rotation: {}", err);
 676             return;
 677         }
 678     };
 679
 680     // schedule daily at 00:00 like normal logrotate
 681     let schedule = "00:00";
 682
 683     let event = match parse_calendar_event(schedule) {
 684         Ok(event) => event,
 685         Err(err) => {
 686             // should not happen?
 687             eprintln!("unable to parse schedule '{}' - {}", schedule, err);
 688             return;
 689         }
 690     };
 691
 692     let next = match compute_next_event(&event, last, false) {
 693         Ok(Some(next)) => next,
 694         Ok(None) => return,
 695         Err(err) => {
 696             eprintln!("compute_next_event for '{}' failed - {}", schedule, err);
 697             return;
 698         }
 699     };
 700
 701     let now = proxmox::tools::time::epoch_i64();
 702
 703     if next > now {
 704         // if we never ran the rotation, schedule instantly
 705         match jobstate::JobState::load(worker_type, job_id) {
 706             Ok(state) => match state {
 707                 jobstate::JobState::Created { .. } => {},
 708                 _ => return,
 709             },
 710             _ => return,
 711         }
 712     }
 713
 714     let mut job = match Job::new(worker_type, job_id) {
 715         Ok(job) => job,
 716         Err(_) => return, // could not get lock
 717     };
 718
 719     if let Err(err) = WorkerTask::new_thread(
 720         worker_type,
 721         Some(job_id.to_string()),
 722         Userid::backup_userid().clone(),
 723         false,
 724         move |worker| {
 725             job.start(&worker.upid().to_string())?;
 726             worker.log(format!("starting task log rotation"));
 727             // one entry has normally about ~100-150 bytes
 728             let max_size = 500000; // at least 5000 entries
 729             let max_files = 20; // at least 100000 entries
 730             let result = try_block!({
 731                 let has_rotated = rotate_task_log_archive(max_size, true, Some(max_files))?;
 732                 if has_rotated {
 733                     worker.log(format!("task log archive was rotated"));
 734                 } else {
 735                     worker.log(format!("task log archive was not rotated"));
 736                 }
 737
 738                 Ok(())
 739             });
 740
 741             let status = worker.create_state(&result);
 742
 743             if let Err(err) = job.finish(status) {
 744                 eprintln!("could not finish job state for {}: {}", worker_type, err);
 745             }
 746
 747             result
 748         },
 749     ) {
 750         eprintln!("unable to start task log rotation: {}", err);
 751     }
 752
 753 }
 754
 755 async fn run_stat_generator() {
 756
 757     let mut count = 0;
 758     loop {
 759         count += 1;
 760         let save = if count >= 6 { count = 0; true } else { false };
 761
 762         let delay_target = Instant::now() +  Duration::from_secs(10);
 763
 764         generate_host_stats(save).await;
 765
 766         tokio::time::delay_until(tokio::time::Instant::from_std(delay_target)).await;
 767
 768      }
 769
 770 }
 771
 772 fn rrd_update_gauge(name: &str, value: f64, save: bool) {
 773     use proxmox_backup::rrd;
 774     if let Err(err) = rrd::update_value(name, value, rrd::DST::Gauge, save) {
 775         eprintln!("rrd::update_value '{}' failed - {}", name, err);
 776     }
 777 }
 778
 779 fn rrd_update_derive(name: &str, value: f64, save: bool) {
 780     use proxmox_backup::rrd;
 781     if let Err(err) = rrd::update_value(name, value, rrd::DST::Derive, save) {
 782         eprintln!("rrd::update_value '{}' failed - {}", name, err);
 783     }
 784 }
 785
 786 async fn generate_host_stats(save: bool) {
 787     use proxmox::sys::linux::procfs::{
 788         read_meminfo, read_proc_stat, read_proc_net_dev, read_loadavg};
 789     use proxmox_backup::config::datastore;
 790
 791
 792     proxmox_backup::tools::runtime::block_in_place(move || {
 793
 794         match read_proc_stat() {
 795             Ok(stat) => {
 796                 rrd_update_gauge("host/cpu", stat.cpu, save);
 797                 rrd_update_gauge("host/iowait", stat.iowait_percent, save);
 798             }
 799             Err(err) => {
 800                 eprintln!("read_proc_stat failed - {}", err);
 801             }
 802         }
 803
 804         match read_meminfo() {
 805             Ok(meminfo) => {
 806                 rrd_update_gauge("host/memtotal", meminfo.memtotal as f64, save);
 807                 rrd_update_gauge("host/memused", meminfo.memused as f64, save);
 808                 rrd_update_gauge("host/swaptotal", meminfo.swaptotal as f64, save);
 809                 rrd_update_gauge("host/swapused", meminfo.swapused as f64, save);
 810             }
 811             Err(err) => {
 812                 eprintln!("read_meminfo failed - {}", err);
 813             }
 814         }
 815
 816         match read_proc_net_dev() {
 817             Ok(netdev) => {
 818                 use proxmox_backup::config::network::is_physical_nic;
 819                 let mut netin = 0;
 820                 let mut netout = 0;
 821                 for item in netdev {
 822                     if !is_physical_nic(&item.device) { continue; }
 823                     netin += item.receive;
 824                     netout += item.send;
 825                 }
 826                 rrd_update_derive("host/netin", netin as f64, save);
 827                 rrd_update_derive("host/netout", netout as f64, save);
 828             }
 829             Err(err) => {
 830                 eprintln!("read_prox_net_dev failed - {}", err);
 831             }
 832         }
 833
 834         match read_loadavg() {
 835             Ok(loadavg) => {
 836                 rrd_update_gauge("host/loadavg", loadavg.0 as f64, save);
 837             }
 838             Err(err) => {
 839                 eprintln!("read_loadavg failed - {}", err);
 840             }
 841         }
 842
 843         let disk_manager = DiskManage::new();
 844
 845         gather_disk_stats(disk_manager.clone(), Path::new("/"), "host", save);
 846
 847         match datastore::config() {
 848             Ok((config, _)) => {
 849                 let datastore_list: Vec<datastore::DataStoreConfig> =
 850                     config.convert_to_typed_array("datastore").unwrap_or(Vec::new());
 851
 852                 for config in datastore_list {
 853
 854                     let rrd_prefix = format!("datastore/{}", config.name);
 855                     let path = std::path::Path::new(&config.path);
 856                     gather_disk_stats(disk_manager.clone(), path, &rrd_prefix, save);
 857                 }
 858             }
 859             Err(err) => {
 860                 eprintln!("read datastore config failed - {}", err);
 861             }
 862         }
 863
 864     });
 865 }
 866
 867 fn gather_disk_stats(disk_manager: Arc<DiskManage>, path: &Path, rrd_prefix: &str, save: bool) {
 868
 869     match proxmox_backup::tools::disks::disk_usage(path) {
 870         Ok(status) => {
 871             let rrd_key = format!("{}/total", rrd_prefix);
 872             rrd_update_gauge(&rrd_key, status.total as f64, save);
 873             let rrd_key = format!("{}/used", rrd_prefix);
 874             rrd_update_gauge(&rrd_key, status.used as f64, save);
 875         }
 876         Err(err) => {
 877             eprintln!("read disk_usage on {:?} failed - {}", path, err);
 878         }
 879     }
 880
 881     match disk_manager.find_mounted_device(path) {
 882         Ok(None) => {},
 883         Ok(Some((fs_type, device, source))) => {
 884             let mut device_stat = None;
 885             match fs_type.as_str() {
 886                 "zfs" => {
 887                     if let Some(pool) = source {
 888                         match zfs_pool_stats(&pool) {
 889                             Ok(stat) => device_stat = stat,
 890                             Err(err) => eprintln!("zfs_pool_stats({:?}) failed - {}", pool, err),
 891                         }
 892                     }
 893                 }
 894                 _ => {
 895                     if let Ok(disk) = disk_manager.clone().disk_by_dev_num(device.into_dev_t()) {
 896                         match disk.read_stat() {
 897                             Ok(stat) => device_stat = stat,
 898                             Err(err) => eprintln!("disk.read_stat {:?} failed - {}", path, err),
 899                         }
 900                     }
 901                 }
 902             }
 903             if let Some(stat) = device_stat {
 904                 let rrd_key = format!("{}/read_ios", rrd_prefix);
 905                 rrd_update_derive(&rrd_key, stat.read_ios as f64, save);
 906                 let rrd_key = format!("{}/read_bytes", rrd_prefix);
 907                 rrd_update_derive(&rrd_key, (stat.read_sectors*512) as f64, save);
 908
 909                 let rrd_key = format!("{}/write_ios", rrd_prefix);
 910                 rrd_update_derive(&rrd_key, stat.write_ios as f64, save);
 911                 let rrd_key = format!("{}/write_bytes", rrd_prefix);
 912                 rrd_update_derive(&rrd_key, (stat.write_sectors*512) as f64, save);
 913
 914                 let rrd_key = format!("{}/io_ticks", rrd_prefix);
 915                 rrd_update_derive(&rrd_key, (stat.io_ticks as f64)/1000.0, save);
 916             }
 917         }
 918         Err(err) => {
 919             eprintln!("find_mounted_device failed - {}", err);
 920         }
 921     }
 922 }