sdk/go/arvados/config.go

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: Apache-2.0
   4
   5 package arvados
   6
   7 import (
   8         "crypto/tls"
   9         "encoding/json"
  10         "errors"
  11         "fmt"
  12         "net/url"
  13         "os"
  14         "time"
  15
  16         "git.arvados.org/arvados.git/sdk/go/config"
  17 )
  18
  19 var DefaultConfigFile = func() string {
  20         if path := os.Getenv("ARVADOS_CONFIG"); path != "" {
  21                 return path
  22         }
  23         return "/etc/arvados/config.yml"
  24 }()
  25
  26 type Config struct {
  27         Clusters         map[string]Cluster
  28         AutoReloadConfig bool
  29         SourceTimestamp  time.Time
  30         SourceSHA256     string
  31 }
  32
  33 // GetConfig returns the current system config, loading it from
  34 // configFile if needed.
  35 func GetConfig(configFile string) (*Config, error) {
  36         var cfg Config
  37         err := config.LoadFile(&cfg, configFile)
  38         return &cfg, err
  39 }
  40
  41 // GetCluster returns the cluster ID and config for the given
  42 // cluster, or the default/only configured cluster if clusterID is "".
  43 func (sc *Config) GetCluster(clusterID string) (*Cluster, error) {
  44         if clusterID == "" {
  45                 if len(sc.Clusters) == 0 {
  46                         return nil, fmt.Errorf("no clusters configured")
  47                 } else if len(sc.Clusters) > 1 {
  48                         return nil, fmt.Errorf("multiple clusters configured, cannot choose")
  49                 } else {
  50                         for id, cc := range sc.Clusters {
  51                                 cc.ClusterID = id
  52                                 return &cc, nil
  53                         }
  54                 }
  55         }
  56         cc, ok := sc.Clusters[clusterID]
  57         if !ok {
  58                 return nil, fmt.Errorf("cluster %q is not configured", clusterID)
  59         }
  60         cc.ClusterID = clusterID
  61         return &cc, nil
  62 }
  63
  64 type WebDAVCacheConfig struct {
  65         TTL                Duration
  66         DiskCacheSize      ByteSizeOrPercent
  67         MaxCollectionBytes ByteSize
  68         MaxSessions        int
  69 }
  70
  71 type UploadDownloadPermission struct {
  72         Upload   bool
  73         Download bool
  74 }
  75
  76 type UploadDownloadRolePermissions struct {
  77         User  UploadDownloadPermission
  78         Admin UploadDownloadPermission
  79 }
  80
  81 type ManagedProperties map[string]struct {
  82         Value     interface{}
  83         Function  string
  84         Protected bool
  85 }
  86
  87 type Cluster struct {
  88         ClusterID       string `json:"-"`
  89         ManagementToken string
  90         SystemRootToken string
  91         Services        Services
  92         InstanceTypes   InstanceTypeMap
  93         Containers      ContainersConfig
  94         RemoteClusters  map[string]RemoteCluster
  95         PostgreSQL      PostgreSQL
  96
  97         API struct {
  98                 AsyncPermissionsUpdateInterval   Duration
  99                 DisabledAPIs                     StringSet
 100                 MaxIndexDatabaseRead             int
 101                 MaxItemsPerResponse              int
 102                 MaxConcurrentRailsRequests       int
 103                 MaxConcurrentRequests            int
 104                 MaxQueuedRequests                int
 105                 MaxGatewayTunnels                int
 106                 MaxQueueTimeForLockRequests      Duration
 107                 MaxKeepBlobBuffers               int
 108                 MaxRequestAmplification          int
 109                 MaxRequestSize                   int
 110                 MaxTokenLifetime                 Duration
 111                 RequestTimeout                   Duration
 112                 SendTimeout                      Duration
 113                 WebsocketClientEventQueue        int
 114                 WebsocketServerEventQueue        int
 115                 KeepServiceRequestTimeout        Duration
 116                 VocabularyPath                   string
 117                 FreezeProjectRequiresDescription bool
 118                 FreezeProjectRequiresProperties  StringSet
 119                 UnfreezeProjectRequiresAdmin     bool
 120                 LockBeforeUpdate                 bool
 121         }
 122         AuditLogs struct {
 123                 MaxAge             Duration
 124                 MaxDeleteBatch     int
 125                 UnloggedAttributes StringSet
 126         }
 127         Collections struct {
 128                 BlobSigning                  bool
 129                 BlobSigningKey               string
 130                 BlobSigningTTL               Duration
 131                 BlobTrash                    bool
 132                 BlobTrashLifetime            Duration
 133                 BlobTrashCheckInterval       Duration
 134                 BlobTrashConcurrency         int
 135                 BlobDeleteConcurrency        int
 136                 BlobReplicateConcurrency     int
 137                 CollectionVersioning         bool
 138                 DefaultTrashLifetime         Duration
 139                 DefaultReplication           int
 140                 ManagedProperties            ManagedProperties
 141                 PreserveVersionIfIdle        Duration
 142                 TrashSweepInterval           Duration
 143                 TrustAllContent              bool
 144                 ForwardSlashNameSubstitution string
 145                 S3FolderObjects              bool
 146
 147                 BlobMissingReport        string
 148                 BalancePeriod            Duration
 149                 BalanceCollectionBatch   int
 150                 BalanceCollectionBuffers int
 151                 BalanceTimeout           Duration
 152                 BalanceUpdateLimit       int
 153                 BalancePullLimit         int
 154                 BalanceTrashLimit        int
 155
 156                 WebDAVCache WebDAVCacheConfig
 157
 158                 KeepproxyPermission       UploadDownloadRolePermissions
 159                 WebDAVPermission          UploadDownloadRolePermissions
 160                 WebDAVLogEvents           bool
 161                 WebDAVLogDownloadInterval Duration
 162                 WebDAVOutputBuffer        ByteSize
 163         }
 164         Login struct {
 165                 LDAP struct {
 166                         Enable             bool
 167                         URL                URL
 168                         StartTLS           bool
 169                         InsecureTLS        bool
 170                         MinTLSVersion      TLSVersion
 171                         StripDomain        string
 172                         AppendDomain       string
 173                         SearchAttribute    string
 174                         SearchBindUser     string
 175                         SearchBindPassword string
 176                         SearchBase         string
 177                         SearchFilters      string
 178                         EmailAttribute     string
 179                         UsernameAttribute  string
 180                 }
 181                 Google struct {
 182                         Enable                          bool
 183                         ClientID                        string
 184                         ClientSecret                    string
 185                         AlternateEmailAddresses         bool
 186                         AuthenticationRequestParameters map[string]string
 187                 }
 188                 OpenIDConnect struct {
 189                         Enable                          bool
 190                         Issuer                          string
 191                         ClientID                        string
 192                         ClientSecret                    string
 193                         EmailClaim                      string
 194                         EmailVerifiedClaim              string
 195                         UsernameClaim                   string
 196                         AcceptAccessToken               bool
 197                         AcceptAccessTokenScope          string
 198                         AuthenticationRequestParameters map[string]string
 199                 }
 200                 PAM struct {
 201                         Enable             bool
 202                         Service            string
 203                         DefaultEmailDomain string
 204                 }
 205                 Test struct {
 206                         Enable bool
 207                         Users  map[string]TestUser
 208                 }
 209                 LoginCluster         string
 210                 RemoteTokenRefresh   Duration
 211                 TokenLifetime        Duration
 212                 TrustedClients       map[URL]struct{}
 213                 TrustPrivateNetworks bool
 214                 IssueTrustedTokens   bool
 215         }
 216         SystemLogs struct {
 217                 LogLevel                  string
 218                 Format                    string
 219                 MaxRequestLogParamsSize   int
 220                 RequestQueueDumpDirectory string
 221         }
 222         TLS struct {
 223                 Certificate string
 224                 Key         string
 225                 Insecure    bool
 226                 ACME        struct {
 227                         Server string
 228                 }
 229         }
 230         Users struct {
 231                 ActivatedUsersAreVisibleToOthers      bool
 232                 AnonymousUserToken                    string
 233                 AdminNotifierEmailFrom                string
 234                 AutoAdminFirstUser                    bool
 235                 AutoAdminUserWithEmail                string
 236                 AutoSetupNewUsers                     bool
 237                 AutoSetupNewUsersWithVmUUID           string
 238                 AutoSetupUsernameBlacklist            StringSet
 239                 EmailSubjectPrefix                    string
 240                 NewInactiveUserNotificationRecipients StringSet
 241                 NewUserNotificationRecipients         StringSet
 242                 NewUsersAreActive                     bool
 243                 SendUserSetupNotificationEmail        bool
 244                 SupportEmailAddress                   string
 245                 UserNotifierEmailFrom                 string
 246                 UserNotifierEmailBcc                  StringSet
 247                 UserProfileNotificationAddress        string
 248                 PreferDomainForUsername               string
 249                 UserSetupMailText                     string
 250                 RoleGroupsVisibleToAll                bool
 251                 CanCreateRoleGroups                   bool
 252                 ActivityLoggingPeriod                 Duration
 253                 SyncIgnoredGroups                     []string
 254                 SyncRequiredGroups                    []string
 255                 SyncUserAccounts                      bool
 256                 SyncUserAPITokens                     bool
 257                 SyncUserGroups                        bool
 258                 SyncUserSSHKeys                       bool
 259         }
 260         StorageClasses map[string]StorageClassConfig
 261         Volumes        map[string]Volume
 262         Workbench      struct {
 263                 ActivationContactLink   string
 264                 ArvadosDocsite          string
 265                 ArvadosPublicDataDocURL string
 266                 DisableSharingURLsUI    bool
 267                 FileViewersConfigURL    string
 268                 ShowUserAgreementInline bool
 269                 SiteName                string
 270                 Theme                   string
 271                 UserProfileFormFields   map[string]struct {
 272                         Type                 string
 273                         FormFieldTitle       string
 274                         FormFieldDescription string
 275                         Required             bool
 276                         Position             int
 277                         Options              map[string]struct{}
 278                 }
 279                 UserProfileFormMessage string
 280                 WelcomePageHTML        string
 281                 InactivePageHTML       string
 282                 SSHHelpPageHTML        string
 283                 SSHHelpHostSuffix      string
 284                 IdleTimeout            Duration
 285                 BannerUUID             string
 286         }
 287 }
 288
 289 type StorageClassConfig struct {
 290         Default  bool
 291         Priority int
 292 }
 293
 294 type Volume struct {
 295         AccessViaHosts         map[URL]VolumeAccess
 296         ReadOnly               bool
 297         AllowTrashWhenReadOnly bool
 298         Replication            int
 299         StorageClasses         map[string]bool
 300         Driver                 string
 301         DriverParameters       json.RawMessage
 302 }
 303
 304 type S3VolumeDriverParameters struct {
 305         AccessKeyID        string
 306         SecretAccessKey    string
 307         Endpoint           string
 308         Region             string
 309         Bucket             string
 310         LocationConstraint bool
 311         V2Signature        bool
 312         IndexPageSize      int
 313         ConnectTimeout     Duration
 314         ReadTimeout        Duration
 315         RaceWindow         Duration
 316         UnsafeDelete       bool
 317         PrefixLength       int
 318         UsePathStyle       bool
 319 }
 320
 321 type AzureVolumeDriverParameters struct {
 322         StorageAccountName   string
 323         StorageAccountKey    string
 324         StorageBaseURL       string
 325         ContainerName        string
 326         RequestTimeout       Duration
 327         ListBlobsRetryDelay  Duration
 328         ListBlobsMaxAttempts int
 329 }
 330
 331 type DirectoryVolumeDriverParameters struct {
 332         Root      string
 333         Serialize bool
 334 }
 335
 336 type VolumeAccess struct {
 337         ReadOnly bool
 338 }
 339
 340 type Services struct {
 341         Composer       Service
 342         Controller     Service
 343         DispatchCloud  Service
 344         DispatchLSF    Service
 345         DispatchSLURM  Service
 346         Health         Service
 347         Keepbalance    Service
 348         Keepproxy      Service
 349         Keepstore      Service
 350         RailsAPI       Service
 351         WebDAVDownload Service
 352         WebDAV         Service
 353         WebShell       Service
 354         Websocket      Service
 355         Workbench1     Service
 356         Workbench2     Service
 357 }
 358
 359 type Service struct {
 360         InternalURLs map[URL]ServiceInstance
 361         ExternalURL  URL
 362 }
 363
 364 type TestUser struct {
 365         Email    string
 366         Password string
 367 }
 368
 369 // URL is a url.URL that is also usable as a JSON key/value.
 370 type URL url.URL
 371
 372 // UnmarshalText implements encoding.TextUnmarshaler so URL can be
 373 // used as a JSON key/value.
 374 func (su *URL) UnmarshalText(text []byte) error {
 375         u, err := url.Parse(string(text))
 376         if err == nil {
 377                 *su = URL(*u)
 378                 if su.Path == "" && su.Host != "" {
 379                         // http://example really means http://example/
 380                         su.Path = "/"
 381                 }
 382         }
 383         return err
 384 }
 385
 386 func (su URL) MarshalText() ([]byte, error) {
 387         return []byte(su.String()), nil
 388 }
 389
 390 func (su URL) String() string {
 391         return (*url.URL)(&su).String()
 392 }
 393
 394 type TLSVersion uint16
 395
 396 func (v TLSVersion) MarshalText() ([]byte, error) {
 397         switch v {
 398         case 0:
 399                 return []byte{}, nil
 400         case tls.VersionTLS10:
 401                 return []byte("1.0"), nil
 402         case tls.VersionTLS11:
 403                 return []byte("1.1"), nil
 404         case tls.VersionTLS12:
 405                 return []byte("1.2"), nil
 406         case tls.VersionTLS13:
 407                 return []byte("1.3"), nil
 408         default:
 409                 return nil, fmt.Errorf("unsupported TLSVersion %x", v)
 410         }
 411 }
 412
 413 func (v *TLSVersion) UnmarshalJSON(text []byte) error {
 414         if len(text) > 0 && text[0] == '"' {
 415                 var s string
 416                 err := json.Unmarshal(text, &s)
 417                 if err != nil {
 418                         return err
 419                 }
 420                 text = []byte(s)
 421         }
 422         switch string(text) {
 423         case "":
 424                 *v = 0
 425         case "1.0":
 426                 *v = tls.VersionTLS10
 427         case "1.1":
 428                 *v = tls.VersionTLS11
 429         case "1.2":
 430                 *v = tls.VersionTLS12
 431         case "1.3":
 432                 *v = tls.VersionTLS13
 433         default:
 434                 return fmt.Errorf("unsupported TLSVersion %q", text)
 435         }
 436         return nil
 437 }
 438
 439 type ServiceInstance struct {
 440         ListenURL  URL
 441         Rendezvous string `json:",omitempty"`
 442 }
 443
 444 type PostgreSQL struct {
 445         Connection     PostgreSQLConnection
 446         ConnectionPool int
 447 }
 448
 449 type PostgreSQLConnection map[string]string
 450
 451 type RemoteCluster struct {
 452         Host          string
 453         Proxy         bool
 454         Scheme        string
 455         Insecure      bool
 456         ActivateUsers bool
 457 }
 458
 459 type CUDAFeatures struct {
 460         DriverVersion      string
 461         HardwareCapability string
 462         DeviceCount        int
 463 }
 464
 465 type InstanceType struct {
 466         Name            string `json:"-"`
 467         ProviderType    string
 468         VCPUs           int
 469         RAM             ByteSize
 470         Scratch         ByteSize `json:"-"`
 471         IncludedScratch ByteSize
 472         AddedScratch    ByteSize
 473         Price           float64
 474         Preemptible     bool
 475         CUDA            CUDAFeatures
 476 }
 477
 478 type ContainersConfig struct {
 479         CloudVMs                      CloudVMsConfig
 480         CrunchRunCommand              string
 481         CrunchRunArgumentsList        []string
 482         DefaultKeepCacheRAM           ByteSize
 483         DispatchPrivateKey            string
 484         LogReuseDecisions             bool
 485         MaxDispatchAttempts           int
 486         MaxRetryAttempts              int
 487         MinRetryPeriod                Duration
 488         ReserveExtraRAM               ByteSize
 489         StaleLockTimeout              Duration
 490         SupportedDockerImageFormats   StringSet
 491         AlwaysUsePreemptibleInstances bool
 492         PreemptiblePriceFactor        float64
 493         MaximumPriceFactor            float64
 494         RuntimeEngine                 string
 495         LocalKeepBlobBuffersPerVCPU   int
 496         LocalKeepLogsToContainerLog   string
 497
 498         Logging struct {
 499                 LogUpdatePeriod Duration
 500                 LogUpdateSize   ByteSize
 501         }
 502         ShellAccess struct {
 503                 Admin bool
 504                 User  bool
 505         }
 506         SLURM struct {
 507                 PrioritySpread             int64
 508                 SbatchArgumentsList        []string
 509                 SbatchEnvironmentVariables map[string]string
 510         }
 511         LSF struct {
 512                 BsubSudoUser       string
 513                 BsubArgumentsList  []string
 514                 BsubCUDAArguments  []string
 515                 MaxRunTimeOverhead Duration
 516                 MaxRunTimeDefault  Duration
 517         }
 518 }
 519
 520 type CloudVMsConfig struct {
 521         Enable bool
 522
 523         BootProbeCommand               string
 524         InstanceInitCommand            string
 525         DeployRunnerBinary             string
 526         DeployPublicKey                bool
 527         ImageID                        string
 528         MaxCloudOpsPerSecond           int
 529         MaxProbesPerSecond             int
 530         MaxConcurrentInstanceCreateOps int
 531         MaxInstances                   int
 532         InitialQuotaEstimate           int
 533         SupervisorFraction             float64
 534         PollInterval                   Duration
 535         ProbeInterval                  Duration
 536         SSHPort                        string
 537         SyncInterval                   Duration
 538         TimeoutBooting                 Duration
 539         TimeoutIdle                    Duration
 540         TimeoutProbe                   Duration
 541         TimeoutShutdown                Duration
 542         TimeoutSignal                  Duration
 543         TimeoutStaleRunLock            Duration
 544         TimeoutTERM                    Duration
 545         ResourceTags                   map[string]string
 546         TagKeyPrefix                   string
 547
 548         Driver           string
 549         DriverParameters json.RawMessage
 550 }
 551
 552 type InstanceTypeMap map[string]InstanceType
 553
 554 var errDuplicateInstanceTypeName = errors.New("duplicate instance type name")
 555
 556 // UnmarshalJSON does special handling of InstanceTypes:
 557 //
 558 // - populate computed fields (Name and Scratch)
 559 //
 560 // - error out if InstancesTypes are populated as an array, which was
 561 // deprecated in Arvados 1.2.0
 562 func (it *InstanceTypeMap) UnmarshalJSON(data []byte) error {
 563         fixup := func(t InstanceType) (InstanceType, error) {
 564                 if t.ProviderType == "" {
 565                         t.ProviderType = t.Name
 566                 }
 567                 // If t.Scratch is set in the configuration file, it will be ignored and overwritten.
 568                 // It will also generate a "deprecated or unknown config entry" warning.
 569                 t.Scratch = t.IncludedScratch + t.AddedScratch
 570                 return t, nil
 571         }
 572
 573         if len(data) > 0 && data[0] == '[' {
 574                 return fmt.Errorf("InstanceTypes must be specified as a map, not an array, see https://doc.arvados.org/admin/config.html")
 575         }
 576         var hash map[string]InstanceType
 577         err := json.Unmarshal(data, &hash)
 578         if err != nil {
 579                 return err
 580         }
 581         // Fill in Name field (and ProviderType field, if not
 582         // specified) using hash key.
 583         *it = InstanceTypeMap(hash)
 584         for name, t := range *it {
 585                 t.Name = name
 586                 t, err := fixup(t)
 587                 if err != nil {
 588                         return err
 589                 }
 590                 (*it)[name] = t
 591         }
 592         return nil
 593 }
 594
 595 type StringSet map[string]struct{}
 596
 597 // UnmarshalJSON handles old config files that provide an array of
 598 // instance types instead of a hash.
 599 func (ss *StringSet) UnmarshalJSON(data []byte) error {
 600         if len(data) > 0 && data[0] == '[' {
 601                 var arr []string
 602                 err := json.Unmarshal(data, &arr)
 603                 if err != nil {
 604                         return err
 605                 }
 606                 if len(arr) == 0 {
 607                         *ss = nil
 608                         return nil
 609                 }
 610                 *ss = make(map[string]struct{}, len(arr))
 611                 for _, t := range arr {
 612                         (*ss)[t] = struct{}{}
 613                 }
 614                 return nil
 615         }
 616         var hash map[string]struct{}
 617         err := json.Unmarshal(data, &hash)
 618         if err != nil {
 619                 return err
 620         }
 621         *ss = make(map[string]struct{}, len(hash))
 622         for t := range hash {
 623                 (*ss)[t] = struct{}{}
 624         }
 625
 626         return nil
 627 }
 628
 629 type ServiceName string
 630
 631 const (
 632         ServiceNameController    ServiceName = "arvados-controller"
 633         ServiceNameDispatchCloud ServiceName = "arvados-dispatch-cloud"
 634         ServiceNameDispatchLSF   ServiceName = "arvados-dispatch-lsf"
 635         ServiceNameDispatchSLURM ServiceName = "crunch-dispatch-slurm"
 636         ServiceNameHealth        ServiceName = "arvados-health"
 637         ServiceNameKeepbalance   ServiceName = "keep-balance"
 638         ServiceNameKeepproxy     ServiceName = "keepproxy"
 639         ServiceNameKeepstore     ServiceName = "keepstore"
 640         ServiceNameKeepweb       ServiceName = "keep-web"
 641         ServiceNameRailsAPI      ServiceName = "arvados-api-server"
 642         ServiceNameWebsocket     ServiceName = "arvados-ws"
 643         ServiceNameWorkbench1    ServiceName = "arvados-workbench1"
 644         ServiceNameWorkbench2    ServiceName = "arvados-workbench2"
 645 )
 646
 647 // Map returns all services as a map, suitable for iterating over all
 648 // services or looking up a service by name.
 649 func (svcs Services) Map() map[ServiceName]Service {
 650         return map[ServiceName]Service{
 651                 ServiceNameController:    svcs.Controller,
 652                 ServiceNameDispatchCloud: svcs.DispatchCloud,
 653                 ServiceNameDispatchLSF:   svcs.DispatchLSF,
 654                 ServiceNameDispatchSLURM: svcs.DispatchSLURM,
 655                 ServiceNameHealth:        svcs.Health,
 656                 ServiceNameKeepbalance:   svcs.Keepbalance,
 657                 ServiceNameKeepproxy:     svcs.Keepproxy,
 658                 ServiceNameKeepstore:     svcs.Keepstore,
 659                 ServiceNameKeepweb:       svcs.WebDAV,
 660                 ServiceNameRailsAPI:      svcs.RailsAPI,
 661                 ServiceNameWebsocket:     svcs.Websocket,
 662                 ServiceNameWorkbench1:    svcs.Workbench1,
 663                 ServiceNameWorkbench2:    svcs.Workbench2,
 664         }
 665 }