src/api2/admin/datastore.rs

   1 use failure::*;
   2 use futures::*;
   3
   4 use crate::tools;
   5 use crate::api2::types::*;
   6 use crate::api_schema::*;
   7 use crate::api_schema::router::*;
   8 //use crate::server::rest::*;
   9 use serde_json::{json, Value};
  10 use std::collections::{HashSet, HashMap};
  11 use chrono::{DateTime, Datelike, TimeZone, Local};
  12 use std::path::PathBuf;
  13
  14 use proxmox::tools::{try_block, fs::file_get_contents, fs::file_set_contents};
  15
  16 use crate::config::datastore;
  17
  18 use crate::backup::*;
  19 use crate::server::WorkerTask;
  20
  21 use hyper::{header, Body, Response, StatusCode};
  22 use hyper::http::request::Parts;
  23
  24 fn read_backup_index(store: &DataStore, backup_dir: &BackupDir) -> Result<Value, Error> {
  25
  26     let mut path = store.base_path();
  27     path.push(backup_dir.relative_path());
  28     path.push("index.json.blob");
  29
  30     let raw_data = file_get_contents(&path)?;
  31     let data = DataBlob::from_raw(raw_data)?.decode(None)?;
  32     let mut result: Value = serde_json::from_reader(&mut &data[..])?;
  33
  34     let result = result["files"].take();
  35
  36     if result == Value::Null {
  37         bail!("missing 'files' property in backup index {:?}", path);
  38     }
  39
  40     Ok(result)
  41 }
  42
  43 fn group_backups(backup_list: Vec<BackupInfo>) -> HashMap<String, Vec<BackupInfo>> {
  44
  45     let mut group_hash = HashMap::new();
  46
  47     for info in backup_list {
  48         let group_id = info.backup_dir.group().group_path().to_str().unwrap().to_owned();
  49         let time_list = group_hash.entry(group_id).or_insert(vec![]);
  50         time_list.push(info);
  51     }
  52
  53     group_hash
  54 }
  55
  56 fn mark_selections<F: Fn(DateTime<Local>, &BackupInfo) -> String> (
  57     mark: &mut HashSet<PathBuf>,
  58     list: &Vec<BackupInfo>,
  59     keep: usize,
  60     select_id: F,
  61 ){
  62     let mut hash = HashSet::new();
  63     for info in list {
  64         let local_time = info.backup_dir.backup_time().with_timezone(&Local);
  65         if hash.len() >= keep as usize { break; }
  66         let backup_id = info.backup_dir.relative_path();
  67         let sel_id: String = select_id(local_time, &info);
  68         if !hash.contains(&sel_id) {
  69             hash.insert(sel_id);
  70             //println!(" KEEP ID {} {}", backup_id, local_time.format("%c"));
  71             mark.insert(backup_id);
  72         }
  73     }
  74 }
  75
  76 fn list_groups(
  77     param: Value,
  78     _info: &ApiMethod,
  79     _rpcenv: &mut dyn RpcEnvironment,
  80 ) -> Result<Value, Error> {
  81
  82     let store = param["store"].as_str().unwrap();
  83
  84     let datastore = DataStore::lookup_datastore(store)?;
  85
  86     let backup_list = BackupInfo::list_backups(&datastore.base_path())?;
  87
  88     let group_hash = group_backups(backup_list);
  89
  90     let mut groups = vec![];
  91
  92     for (_group_id, mut list) in group_hash {
  93
  94         BackupInfo::sort_list(&mut list, false);
  95
  96         let info = &list[0];
  97         let group = info.backup_dir.group();
  98
  99         groups.push(json!({
 100             "backup-type": group.backup_type(),
 101             "backup-id": group.backup_id(),
 102             "last-backup": info.backup_dir.backup_time().timestamp(),
 103             "backup-count": list.len() as u64,
 104             "files": info.files,
 105         }));
 106     }
 107
 108     Ok(json!(groups))
 109 }
 110
 111 fn list_snapshot_files (
 112     param: Value,
 113     _info: &ApiMethod,
 114     _rpcenv: &mut dyn RpcEnvironment,
 115 ) -> Result<Value, Error> {
 116
 117     let store = tools::required_string_param(&param, "store")?;
 118     let backup_type = tools::required_string_param(&param, "backup-type")?;
 119     let backup_id = tools::required_string_param(&param, "backup-id")?;
 120     let backup_time = tools::required_integer_param(&param, "backup-time")?;
 121
 122     let datastore = DataStore::lookup_datastore(store)?;
 123     let snapshot = BackupDir::new(backup_type, backup_id, backup_time);
 124
 125     let mut files = read_backup_index(&datastore, &snapshot)?;
 126
 127     let info = BackupInfo::new(&datastore.base_path(), snapshot)?;
 128
 129     let file_set = files.as_array().unwrap().iter().fold(HashSet::new(), |mut acc, item| {
 130         acc.insert(item["filename"].as_str().unwrap().to_owned());
 131         acc
 132     });
 133
 134     for file in info.files {
 135         if file_set.contains(&file) { continue; }
 136         files.as_array_mut().unwrap().push(json!({ "filename": file }));
 137     }
 138
 139     Ok(files)
 140 }
 141
 142 fn delete_snapshots (
 143     param: Value,
 144     _info: &ApiMethod,
 145     _rpcenv: &mut dyn RpcEnvironment,
 146 ) -> Result<Value, Error> {
 147
 148     let store = tools::required_string_param(&param, "store")?;
 149     let backup_type = tools::required_string_param(&param, "backup-type")?;
 150     let backup_id = tools::required_string_param(&param, "backup-id")?;
 151     let backup_time = tools::required_integer_param(&param, "backup-time")?;
 152
 153     let snapshot = BackupDir::new(backup_type, backup_id, backup_time);
 154
 155     let datastore = DataStore::lookup_datastore(store)?;
 156
 157     datastore.remove_backup_dir(&snapshot)?;
 158
 159     Ok(Value::Null)
 160 }
 161
 162 fn list_snapshots (
 163     param: Value,
 164     _info: &ApiMethod,
 165     _rpcenv: &mut dyn RpcEnvironment,
 166 ) -> Result<Value, Error> {
 167
 168     let store = tools::required_string_param(&param, "store")?;
 169     let backup_type = param["backup-type"].as_str();
 170     let backup_id = param["backup-id"].as_str();
 171
 172     let datastore = DataStore::lookup_datastore(store)?;
 173
 174     let base_path = datastore.base_path();
 175
 176     let backup_list = BackupInfo::list_backups(&base_path)?;
 177
 178     let mut snapshots = vec![];
 179
 180     for info in backup_list {
 181         let group = info.backup_dir.group();
 182         if let Some(backup_type) = backup_type {
 183             if backup_type != group.backup_type() { continue; }
 184         }
 185         if let Some(backup_id) = backup_id {
 186             if backup_id != group.backup_id() { continue; }
 187         }
 188
 189         let mut result_item = json!({
 190             "backup-type": group.backup_type(),
 191             "backup-id": group.backup_id(),
 192             "backup-time": info.backup_dir.backup_time().timestamp(),
 193             "files": info.files,
 194         });
 195
 196         if let Ok(index) = read_backup_index(&datastore, &info.backup_dir) {
 197             let mut backup_size = 0;
 198             for item in index.as_array().unwrap().iter() {
 199                 if let Some(item_size) = item["size"].as_u64() {
 200                     backup_size += item_size;
 201                 }
 202             }
 203             result_item["size"] = backup_size.into();
 204         }
 205
 206         snapshots.push(result_item);
 207     }
 208
 209     Ok(json!(snapshots))
 210 }
 211
 212 fn status(
 213     param: Value,
 214     _info: &ApiMethod,
 215     _rpcenv: &mut dyn RpcEnvironment,
 216 ) -> Result<Value, Error> {
 217
 218     let store = param["store"].as_str().unwrap();
 219
 220     let datastore = DataStore::lookup_datastore(store)?;
 221
 222     let base_path = datastore.base_path();
 223
 224     let mut stat: libc::statfs64 = unsafe { std::mem::zeroed() };
 225
 226     use nix::NixPath;
 227
 228     let res = base_path.with_nix_path(|cstr| unsafe { libc::statfs64(cstr.as_ptr(), &mut stat) })?;
 229     nix::errno::Errno::result(res)?;
 230
 231     let bsize = stat.f_bsize as u64;
 232     Ok(json!({
 233         "total": stat.f_blocks*bsize,
 234         "used": (stat.f_blocks-stat.f_bfree)*bsize,
 235         "avail": stat.f_bavail*bsize,
 236     }))
 237 }
 238
 239 #[macro_export]
 240 macro_rules! add_common_prune_prameters {
 241     ($( $list:tt )*) => {
 242         [
 243             (
 244                 "keep-last",
 245                 true,
 246                 &IntegerSchema::new("Number of backups to keep.")
 247                     .minimum(1)
 248                     .schema()
 249             ),
 250             (
 251                 "keep-daily",
 252                 true,
 253                 &IntegerSchema::new("Number of daily backups to keep.")
 254                     .minimum(1)
 255                     .schema()
 256             ),
 257             (
 258                 "keep-weekly",
 259                 true,
 260                 &IntegerSchema::new("Number of weekly backups to keep.")
 261                     .minimum(1)
 262                     .schema()
 263             ),
 264             (
 265                 "keep-monthly",
 266                 true,
 267                 &IntegerSchema::new("Number of monthly backups to keep.")
 268                     .minimum(1)
 269                     .schema()
 270             ),
 271             (
 272                 "keep-yearly",
 273                 true,
 274                 &IntegerSchema::new("Number of yearly backups to keep.")
 275                     .minimum(1)
 276                     .schema()
 277             ),
 278             $( $list )*
 279         ]
 280     }
 281 }
 282
 283 const API_METHOD_STATUS: ApiMethod = ApiMethod::new(
 284     &ApiHandler::Sync(&status),
 285     &ObjectSchema::new(
 286         "Get datastore status.",
 287         &add_common_prune_prameters!(
 288             ("store", false, &StringSchema::new("Datastore name.").schema()),
 289         ),
 290     )
 291 );
 292
 293
 294 fn prune(
 295     param: Value,
 296     _info: &ApiMethod,
 297     _rpcenv: &mut dyn RpcEnvironment,
 298 ) -> Result<Value, Error> {
 299
 300     let store = param["store"].as_str().unwrap();
 301
 302     let backup_type = tools::required_string_param(&param, "backup-type")?;
 303     let backup_id = tools::required_string_param(&param, "backup-id")?;
 304
 305     let group = BackupGroup::new(backup_type, backup_id);
 306
 307     let datastore = DataStore::lookup_datastore(store)?;
 308
 309     let mut keep_all = true;
 310
 311     for opt in &["keep-last", "keep-daily", "keep-weekly", "keep-weekly", "keep-yearly"] {
 312         if !param[opt].is_null() {
 313             keep_all = false;
 314             break;
 315         }
 316     }
 317
 318     let worker = WorkerTask::new("prune", Some(store.to_owned()), "root@pam", true)?;
 319     let result = try_block! {
 320         if keep_all {
 321             worker.log("No prune selection - keeping all files.");
 322             return Ok(());
 323         } else {
 324             worker.log(format!("Starting prune on store {}", store));
 325         }
 326
 327         let mut list = group.list_backups(&datastore.base_path())?;
 328
 329         let mut mark = HashSet::new();
 330
 331         BackupInfo::sort_list(&mut list, false);
 332
 333         if let Some(keep_last) = param["keep-last"].as_u64() {
 334             list.iter().take(keep_last as usize).for_each(|info| {
 335                 mark.insert(info.backup_dir.relative_path());
 336             });
 337         }
 338
 339         if let Some(keep_daily) = param["keep-daily"].as_u64() {
 340             mark_selections(&mut mark, &list, keep_daily as usize, |local_time, _info| {
 341                 format!("{}/{}/{}", local_time.year(), local_time.month(), local_time.day())
 342             });
 343         }
 344
 345         if let Some(keep_weekly) = param["keep-weekly"].as_u64() {
 346             mark_selections(&mut mark, &list, keep_weekly as usize, |local_time, _info| {
 347                 format!("{}/{}", local_time.year(), local_time.iso_week().week())
 348             });
 349         }
 350
 351         if let Some(keep_monthly) = param["keep-monthly"].as_u64() {
 352             mark_selections(&mut mark, &list, keep_monthly as usize, |local_time, _info| {
 353                 format!("{}/{}", local_time.year(), local_time.month())
 354             });
 355         }
 356
 357         if let Some(keep_yearly) = param["keep-yearly"].as_u64() {
 358             mark_selections(&mut mark, &list, keep_yearly as usize, |local_time, _info| {
 359                 format!("{}/{}", local_time.year(), local_time.year())
 360             });
 361         }
 362
 363         let mut remove_list: Vec<BackupInfo> = list.into_iter()
 364             .filter(|info| !mark.contains(&info.backup_dir.relative_path())).collect();
 365
 366         BackupInfo::sort_list(&mut remove_list, true);
 367
 368         for info in remove_list {
 369             worker.log(format!("remove {:?}", info.backup_dir));
 370             datastore.remove_backup_dir(&info.backup_dir)?;
 371         }
 372
 373         Ok(())
 374     };
 375
 376     worker.log_result(&result);
 377
 378     if let Err(err) = result {
 379         bail!("prune failed - {}", err);
 380     }
 381
 382     Ok(json!(null))
 383 }
 384
 385 const API_METHOD_PRUNE: ApiMethod = ApiMethod::new(
 386     &ApiHandler::Sync(&prune),
 387     &ObjectSchema::new(
 388         "Prune the datastore.",
 389         &add_common_prune_prameters!(
 390             ("store", false, &StringSchema::new("Datastore name.").schema()),
 391             ("backup-type", false, &BACKUP_TYPE_SCHEMA),
 392             ("backup-id", false, &BACKUP_ID_SCHEMA),
 393         )
 394     )
 395 );
 396
 397 fn start_garbage_collection(
 398     param: Value,
 399     _info: &ApiMethod,
 400     rpcenv: &mut dyn RpcEnvironment,
 401 ) -> Result<Value, Error> {
 402
 403     let store = param["store"].as_str().unwrap().to_string();
 404
 405     let datastore = DataStore::lookup_datastore(&store)?;
 406
 407     println!("Starting garbage collection on store {}", store);
 408
 409     let to_stdout = if rpcenv.env_type() == RpcEnvironmentType::CLI { true } else { false };
 410
 411     let upid_str = WorkerTask::new_thread(
 412         "garbage_collection", Some(store.clone()), "root@pam", to_stdout, move |worker|
 413         {
 414             worker.log(format!("starting garbage collection on store {}", store));
 415             datastore.garbage_collection(worker)
 416         })?;
 417
 418     Ok(json!(upid_str))
 419 }
 420
 421 pub const API_METHOD_START_GARBAGE_COLLECTION: ApiMethod = ApiMethod::new(
 422     &ApiHandler::Sync(&start_garbage_collection),
 423     &ObjectSchema::new(
 424         "Start garbage collection.",
 425         &[ ("store", false, &StringSchema::new("Datastore name.").schema()) ]
 426     )
 427 );
 428
 429 fn garbage_collection_status(
 430     param: Value,
 431     _info: &ApiMethod,
 432     _rpcenv: &mut dyn RpcEnvironment,
 433 ) -> Result<Value, Error> {
 434
 435     let store = param["store"].as_str().unwrap();
 436
 437     let datastore = DataStore::lookup_datastore(&store)?;
 438
 439     println!("Garbage collection status on store {}", store);
 440
 441     let status = datastore.last_gc_status();
 442
 443     Ok(serde_json::to_value(&status)?)
 444 }
 445
 446 pub const API_METHOD_GARBAGE_COLLECTION_STATUS: ApiMethod = ApiMethod::new(
 447     &ApiHandler::Sync(&garbage_collection_status),
 448     &ObjectSchema::new(
 449         "Garbage collection status.",
 450         &[ ("store", false, &StringSchema::new("Datastore name.").schema()) ]
 451     )
 452 );
 453
 454 fn get_datastore_list(
 455     _param: Value,
 456     _info: &ApiMethod,
 457     _rpcenv: &mut dyn RpcEnvironment,
 458 ) -> Result<Value, Error> {
 459
 460     let config = datastore::config()?;
 461
 462     Ok(config.convert_to_array("store"))
 463 }
 464
 465
 466 fn download_file(
 467     _parts: Parts,
 468     _req_body: Body,
 469     param: Value,
 470     _info: &ApiMethod,
 471     _rpcenv: Box<dyn RpcEnvironment>,
 472 ) -> Result<BoxFut, Error> {
 473
 474     let store = tools::required_string_param(&param, "store")?;
 475
 476     let datastore = DataStore::lookup_datastore(store)?;
 477
 478     let file_name = tools::required_string_param(&param, "file-name")?.to_owned();
 479
 480     let backup_type = tools::required_string_param(&param, "backup-type")?;
 481     let backup_id = tools::required_string_param(&param, "backup-id")?;
 482     let backup_time = tools::required_integer_param(&param, "backup-time")?;
 483
 484     println!("Download {} from {} ({}/{}/{}/{})", file_name, store,
 485              backup_type, backup_id, Local.timestamp(backup_time, 0), file_name);
 486
 487     let backup_dir = BackupDir::new(backup_type, backup_id, backup_time);
 488
 489     let mut path = datastore.base_path();
 490     path.push(backup_dir.relative_path());
 491     path.push(&file_name);
 492
 493     let response_future = tokio::fs::File::open(path)
 494         .map_err(|err| http_err!(BAD_REQUEST, format!("File open failed: {}", err)))
 495         .and_then(move |file| {
 496             let payload = tokio::codec::FramedRead::new(file, tokio::codec::BytesCodec::new())
 497                 .map_ok(|bytes| hyper::Chunk::from(bytes.freeze()));
 498             let body = Body::wrap_stream(payload);
 499
 500             // fixme: set other headers ?
 501             futures::future::ok(Response::builder()
 502                .status(StatusCode::OK)
 503                .header(header::CONTENT_TYPE, "application/octet-stream")
 504                .body(body)
 505                .unwrap())
 506         });
 507
 508     Ok(Box::new(response_future))
 509 }
 510
 511 pub const API_METHOD_DOWNLOAD_FILE: ApiMethod = ApiMethod::new(
 512     &ApiHandler::Async(&download_file),
 513     &ObjectSchema::new(
 514         "Download single raw file from backup snapshot.",
 515         &[
 516             ("store", false, &StringSchema::new("Datastore name.").schema()),
 517             ("backup-type", false, &BACKUP_TYPE_SCHEMA),
 518             ("backup-id", false,  &BACKUP_ID_SCHEMA),
 519             ("backup-time", false, &BACKUP_TIME_SCHEMA),
 520             ("file-name", false, &StringSchema::new("Raw file name.")
 521              .format(&FILENAME_FORMAT)
 522              .schema()
 523             ),
 524         ],
 525     )
 526 );
 527
 528 fn upload_backup_log(
 529     _parts: Parts,
 530     req_body: Body,
 531     param: Value,
 532     _info: &ApiMethod,
 533     _rpcenv: Box<dyn RpcEnvironment>,
 534 ) -> Result<BoxFut, Error> {
 535
 536     let store = tools::required_string_param(&param, "store")?;
 537
 538     let datastore = DataStore::lookup_datastore(store)?;
 539
 540     let file_name = "client.log.blob";
 541
 542     let backup_type = tools::required_string_param(&param, "backup-type")?;
 543     let backup_id = tools::required_string_param(&param, "backup-id")?;
 544     let backup_time = tools::required_integer_param(&param, "backup-time")?;
 545
 546     let backup_dir = BackupDir::new(backup_type, backup_id, backup_time);
 547
 548     let mut path = datastore.base_path();
 549     path.push(backup_dir.relative_path());
 550     path.push(&file_name);
 551
 552     if path.exists() {
 553         bail!("backup already contains a log.");
 554     }
 555
 556     println!("Upload backup log to {}/{}/{}/{}/{}", store,
 557              backup_type, backup_id, BackupDir::backup_time_to_string(backup_dir.backup_time()), file_name);
 558
 559     let resp = req_body
 560         .map_err(Error::from)
 561         .try_fold(Vec::new(), |mut acc, chunk| {
 562             acc.extend_from_slice(&*chunk);
 563             future::ok::<_, Error>(acc)
 564         })
 565         .and_then(move |data| async move {
 566             let blob = DataBlob::from_raw(data)?;
 567             // always verify CRC at server side
 568             blob.verify_crc()?;
 569             let raw_data = blob.raw_data();
 570             file_set_contents(&path, raw_data, None)?;
 571             Ok(())
 572         })
 573         .and_then(move |_| {
 574             future::ok(crate::server::formatter::json_response(Ok(Value::Null)))
 575         })
 576         ;
 577
 578     Ok(Box::new(resp))
 579 }
 580
 581 pub const API_METHOD_UPLOAD_BACKUP_LOG: ApiMethod = ApiMethod::new(
 582     &ApiHandler::Async(&upload_backup_log),
 583     &ObjectSchema::new(
 584         "Download single raw file from backup snapshot.",
 585         &[
 586             ("store", false, &StringSchema::new("Datastore name.").schema()),
 587             ("backup-type", false, &BACKUP_TYPE_SCHEMA),
 588             ("backup-id", false, &BACKUP_ID_SCHEMA),
 589             ("backup-time", false, &BACKUP_TIME_SCHEMA),
 590         ],
 591     )
 592 );
 593
 594 const STORE_SCHEMA: Schema = StringSchema::new("Datastore name.").schema();
 595
 596 const DATASTORE_INFO_SUBDIRS: SubdirMap = &[
 597     (
 598         "download",
 599         &Router::new()
 600             .download(&API_METHOD_DOWNLOAD_FILE)
 601     ),
 602     (
 603         "files",
 604         &Router::new()
 605             .get(
 606                 &ApiMethod::new(
 607                     &ApiHandler::Sync(&list_snapshot_files),
 608                     &ObjectSchema::new(
 609                         "List snapshot files.",
 610                         &[
 611                             ("store", false, &STORE_SCHEMA),
 612                             ("backup-type", false, &BACKUP_TYPE_SCHEMA),
 613                             ("backup-id", false, &BACKUP_ID_SCHEMA),
 614                             ("backup-time", false, &BACKUP_TIME_SCHEMA),
 615                         ],
 616                     )
 617                 )
 618             )
 619     ),
 620     (
 621         "gc",
 622         &Router::new()
 623             .get(&API_METHOD_GARBAGE_COLLECTION_STATUS)
 624             .post(&API_METHOD_START_GARBAGE_COLLECTION)
 625     ),
 626     (
 627         "groups",
 628         &Router::new()
 629             .get(
 630                 &ApiMethod::new(
 631                     &ApiHandler::Sync(&list_groups),
 632                     &ObjectSchema::new(
 633                         "List backup groups.",
 634                         &[ ("store", false, &STORE_SCHEMA) ],
 635                     )
 636                 )
 637             )
 638     ),
 639     (
 640         "prune",
 641         &Router::new()
 642             .post(&API_METHOD_PRUNE)
 643     ),
 644     (
 645         "snapshots",
 646         &Router::new()
 647             .get(
 648                 &ApiMethod::new(
 649                     &ApiHandler::Sync(&list_snapshots),
 650                     &ObjectSchema::new(
 651                         "List backup groups.",
 652                         &[
 653                             ("store", false, &STORE_SCHEMA),
 654                             ("backup-type", true, &BACKUP_TYPE_SCHEMA),
 655                             ("backup-id", true, &BACKUP_ID_SCHEMA),
 656                         ],
 657                     )
 658                 )
 659             )
 660             .delete(
 661                 &ApiMethod::new(
 662                     &ApiHandler::Sync(&delete_snapshots),
 663                     &ObjectSchema::new(
 664                         "Delete backup snapshot.",
 665                         &[
 666                             ("store", false, &STORE_SCHEMA),
 667                             ("backup-type", false, &BACKUP_TYPE_SCHEMA),
 668                             ("backup-id", false, &BACKUP_ID_SCHEMA),
 669                             ("backup-time", false, &BACKUP_TIME_SCHEMA),
 670                         ],
 671                     )
 672                 )
 673             )
 674     ),
 675     (
 676         "status",
 677         &Router::new()
 678             .get(&API_METHOD_STATUS)
 679     ),
 680     (
 681         "upload-backup-log",
 682         &Router::new()
 683             .upload(&API_METHOD_UPLOAD_BACKUP_LOG)
 684     ),
 685 ];
 686
 687 const DATASTORE_INFO_ROUTER: Router = Router::new()
 688     .get(&list_subdirs_api_method!(DATASTORE_INFO_SUBDIRS))
 689     .subdirs(DATASTORE_INFO_SUBDIRS);
 690
 691
 692 pub const ROUTER: Router = Router::new()
 693     .get(
 694         &ApiMethod::new(
 695             &ApiHandler::Sync(&get_datastore_list),
 696             &ObjectSchema::new("Directory index.", &[])
 697         )
 698     )
 699     .match_all("store", &DATASTORE_INFO_ROUTER);