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         "encoding/json"
   9         "errors"
  10         "fmt"
  11         "net/url"
  12         "os"
  13
  14         "git.arvados.org/arvados.git/sdk/go/config"
  15 )
  16
  17 var DefaultConfigFile = func() string {
  18         if path := os.Getenv("ARVADOS_CONFIG"); path != "" {
  19                 return path
  20         }
  21         return "/etc/arvados/config.yml"
  22 }()
  23
  24 type Config struct {
  25         Clusters         map[string]Cluster
  26         AutoReloadConfig bool
  27 }
  28
  29 // GetConfig returns the current system config, loading it from
  30 // configFile if needed.
  31 func GetConfig(configFile string) (*Config, error) {
  32         var cfg Config
  33         err := config.LoadFile(&cfg, configFile)
  34         return &cfg, err
  35 }
  36
  37 // GetCluster returns the cluster ID and config for the given
  38 // cluster, or the default/only configured cluster if clusterID is "".
  39 func (sc *Config) GetCluster(clusterID string) (*Cluster, error) {
  40         if clusterID == "" {
  41                 if len(sc.Clusters) == 0 {
  42                         return nil, fmt.Errorf("no clusters configured")
  43                 } else if len(sc.Clusters) > 1 {
  44                         return nil, fmt.Errorf("multiple clusters configured, cannot choose")
  45                 } else {
  46                         for id, cc := range sc.Clusters {
  47                                 cc.ClusterID = id
  48                                 return &cc, nil
  49                         }
  50                 }
  51         }
  52         cc, ok := sc.Clusters[clusterID]
  53         if !ok {
  54                 return nil, fmt.Errorf("cluster %q is not configured", clusterID)
  55         }
  56         cc.ClusterID = clusterID
  57         return &cc, nil
  58 }
  59
  60 type WebDAVCacheConfig struct {
  61         TTL                  Duration
  62         UUIDTTL              Duration
  63         MaxBlockEntries      int
  64         MaxCollectionEntries int
  65         MaxCollectionBytes   int64
  66         MaxUUIDEntries       int
  67         MaxSessions          int
  68 }
  69
  70 type UploadDownloadPermission struct {
  71         Upload   bool
  72         Download bool
  73 }
  74
  75 type UploadDownloadRolePermissions struct {
  76         User  UploadDownloadPermission
  77         Admin UploadDownloadPermission
  78 }
  79
  80 type Cluster struct {
  81         ClusterID       string `json:"-"`
  82         ManagementToken string
  83         SystemRootToken string
  84         Services        Services
  85         InstanceTypes   InstanceTypeMap
  86         Containers      ContainersConfig
  87         RemoteClusters  map[string]RemoteCluster
  88         PostgreSQL      PostgreSQL
  89
  90         API struct {
  91                 AsyncPermissionsUpdateInterval Duration
  92                 DisabledAPIs                   StringSet
  93                 MaxIndexDatabaseRead           int
  94                 MaxItemsPerResponse            int
  95                 MaxConcurrentRequests          int
  96                 MaxKeepBlobBuffers             int
  97                 MaxRequestAmplification        int
  98                 MaxRequestSize                 int
  99                 MaxTokenLifetime               Duration
 100                 RequestTimeout                 Duration
 101                 SendTimeout                    Duration
 102                 WebsocketClientEventQueue      int
 103                 WebsocketServerEventQueue      int
 104                 KeepServiceRequestTimeout      Duration
 105         }
 106         AuditLogs struct {
 107                 MaxAge             Duration
 108                 MaxDeleteBatch     int
 109                 UnloggedAttributes StringSet
 110         }
 111         Collections struct {
 112                 BlobSigning              bool
 113                 BlobSigningKey           string
 114                 BlobSigningTTL           Duration
 115                 BlobTrash                bool
 116                 BlobTrashLifetime        Duration
 117                 BlobTrashCheckInterval   Duration
 118                 BlobTrashConcurrency     int
 119                 BlobDeleteConcurrency    int
 120                 BlobReplicateConcurrency int
 121                 CollectionVersioning     bool
 122                 DefaultTrashLifetime     Duration
 123                 DefaultReplication       int
 124                 ManagedProperties        map[string]struct {
 125                         Value     interface{}
 126                         Function  string
 127                         Protected bool
 128                 }
 129                 PreserveVersionIfIdle        Duration
 130                 TrashSweepInterval           Duration
 131                 TrustAllContent              bool
 132                 ForwardSlashNameSubstitution string
 133                 S3FolderObjects              bool
 134
 135                 BlobMissingReport        string
 136                 BalancePeriod            Duration
 137                 BalanceCollectionBatch   int
 138                 BalanceCollectionBuffers int
 139                 BalanceTimeout           Duration
 140                 BalanceUpdateLimit       int
 141
 142                 WebDAVCache WebDAVCacheConfig
 143
 144                 KeepproxyPermission UploadDownloadRolePermissions
 145                 WebDAVPermission    UploadDownloadRolePermissions
 146                 WebDAVLogEvents     bool
 147         }
 148         Git struct {
 149                 GitCommand   string
 150                 GitoliteHome string
 151                 Repositories string
 152         }
 153         Login struct {
 154                 LDAP struct {
 155                         Enable             bool
 156                         URL                URL
 157                         StartTLS           bool
 158                         InsecureTLS        bool
 159                         StripDomain        string
 160                         AppendDomain       string
 161                         SearchAttribute    string
 162                         SearchBindUser     string
 163                         SearchBindPassword string
 164                         SearchBase         string
 165                         SearchFilters      string
 166                         EmailAttribute     string
 167                         UsernameAttribute  string
 168                 }
 169                 Google struct {
 170                         Enable                          bool
 171                         ClientID                        string
 172                         ClientSecret                    string
 173                         AlternateEmailAddresses         bool
 174                         AuthenticationRequestParameters map[string]string
 175                 }
 176                 OpenIDConnect struct {
 177                         Enable                          bool
 178                         Issuer                          string
 179                         ClientID                        string
 180                         ClientSecret                    string
 181                         EmailClaim                      string
 182                         EmailVerifiedClaim              string
 183                         UsernameClaim                   string
 184                         AcceptAccessToken               bool
 185                         AcceptAccessTokenScope          string
 186                         AuthenticationRequestParameters map[string]string
 187                 }
 188                 PAM struct {
 189                         Enable             bool
 190                         Service            string
 191                         DefaultEmailDomain string
 192                 }
 193                 Test struct {
 194                         Enable bool
 195                         Users  map[string]TestUser
 196                 }
 197                 LoginCluster       string
 198                 RemoteTokenRefresh Duration
 199                 TokenLifetime      Duration
 200                 TrustedClients     map[string]struct{}
 201                 IssueTrustedTokens bool
 202         }
 203         Mail struct {
 204                 MailchimpAPIKey                string
 205                 MailchimpListID                string
 206                 SendUserSetupNotificationEmail bool
 207                 IssueReporterEmailFrom         string
 208                 IssueReporterEmailTo           string
 209                 SupportEmailAddress            string
 210                 EmailFrom                      string
 211         }
 212         SystemLogs struct {
 213                 LogLevel                string
 214                 Format                  string
 215                 MaxRequestLogParamsSize int
 216         }
 217         TLS struct {
 218                 Certificate string
 219                 Key         string
 220                 Insecure    bool
 221         }
 222         Users struct {
 223                 AnonymousUserToken                    string
 224                 AdminNotifierEmailFrom                string
 225                 AutoAdminFirstUser                    bool
 226                 AutoAdminUserWithEmail                string
 227                 AutoSetupNewUsers                     bool
 228                 AutoSetupNewUsersWithRepository       bool
 229                 AutoSetupNewUsersWithVmUUID           string
 230                 AutoSetupUsernameBlacklist            StringSet
 231                 EmailSubjectPrefix                    string
 232                 NewInactiveUserNotificationRecipients StringSet
 233                 NewUserNotificationRecipients         StringSet
 234                 NewUsersAreActive                     bool
 235                 UserNotifierEmailFrom                 string
 236                 UserNotifierEmailBcc                  StringSet
 237                 UserProfileNotificationAddress        string
 238                 PreferDomainForUsername               string
 239                 UserSetupMailText                     string
 240         }
 241         StorageClasses map[string]StorageClassConfig
 242         Volumes        map[string]Volume
 243         Workbench      struct {
 244                 ActivationContactLink            string
 245                 APIClientConnectTimeout          Duration
 246                 APIClientReceiveTimeout          Duration
 247                 APIResponseCompression           bool
 248                 ApplicationMimetypesWithViewIcon StringSet
 249                 ArvadosDocsite                   string
 250                 ArvadosPublicDataDocURL          string
 251                 DefaultOpenIdPrefix              string
 252                 EnableGettingStartedPopup        bool
 253                 EnablePublicProjectsPage         bool
 254                 FileViewersConfigURL             string
 255                 LogViewerMaxBytes                ByteSize
 256                 MultiSiteSearch                  string
 257                 ProfilingEnabled                 bool
 258                 Repositories                     bool
 259                 RepositoryCache                  string
 260                 RunningJobLogRecordsToFetch      int
 261                 SecretKeyBase                    string
 262                 ShowRecentCollectionsOnDashboard bool
 263                 ShowUserAgreementInline          bool
 264                 ShowUserNotifications            bool
 265                 SiteName                         string
 266                 Theme                            string
 267                 UserProfileFormFields            map[string]struct {
 268                         Type                 string
 269                         FormFieldTitle       string
 270                         FormFieldDescription string
 271                         Required             bool
 272                         Position             int
 273                         Options              map[string]struct{}
 274                 }
 275                 UserProfileFormMessage string
 276                 VocabularyURL          string
 277                 WelcomePageHTML        string
 278                 InactivePageHTML       string
 279                 SSHHelpPageHTML        string
 280                 SSHHelpHostSuffix      string
 281                 IdleTimeout            Duration
 282         }
 283 }
 284
 285 type StorageClassConfig struct {
 286         Default  bool
 287         Priority int
 288 }
 289
 290 type Volume struct {
 291         AccessViaHosts   map[URL]VolumeAccess
 292         ReadOnly         bool
 293         Replication      int
 294         StorageClasses   map[string]bool
 295         Driver           string
 296         DriverParameters json.RawMessage
 297 }
 298
 299 type S3VolumeDriverParameters struct {
 300         IAMRole            string
 301         AccessKeyID        string
 302         SecretAccessKey    string
 303         Endpoint           string
 304         Region             string
 305         Bucket             string
 306         LocationConstraint bool
 307         V2Signature        bool
 308         UseAWSS3v2Driver   bool
 309         IndexPageSize      int
 310         ConnectTimeout     Duration
 311         ReadTimeout        Duration
 312         RaceWindow         Duration
 313         UnsafeDelete       bool
 314         PrefixLength       int
 315 }
 316
 317 type AzureVolumeDriverParameters struct {
 318         StorageAccountName   string
 319         StorageAccountKey    string
 320         StorageBaseURL       string
 321         ContainerName        string
 322         RequestTimeout       Duration
 323         ListBlobsRetryDelay  Duration
 324         ListBlobsMaxAttempts int
 325 }
 326
 327 type DirectoryVolumeDriverParameters struct {
 328         Root      string
 329         Serialize bool
 330 }
 331
 332 type VolumeAccess struct {
 333         ReadOnly bool
 334 }
 335
 336 type Services struct {
 337         Composer       Service
 338         Controller     Service
 339         DispatchCloud  Service
 340         DispatchLSF    Service
 341         GitHTTP        Service
 342         GitSSH         Service
 343         Health         Service
 344         Keepbalance    Service
 345         Keepproxy      Service
 346         Keepstore      Service
 347         RailsAPI       Service
 348         WebDAVDownload Service
 349         WebDAV         Service
 350         WebShell       Service
 351         Websocket      Service
 352         Workbench1     Service
 353         Workbench2     Service
 354 }
 355
 356 type Service struct {
 357         InternalURLs map[URL]ServiceInstance
 358         ExternalURL  URL
 359 }
 360
 361 type TestUser struct {
 362         Email    string
 363         Password string
 364 }
 365
 366 // URL is a url.URL that is also usable as a JSON key/value.
 367 type URL url.URL
 368
 369 // UnmarshalText implements encoding.TextUnmarshaler so URL can be
 370 // used as a JSON key/value.
 371 func (su *URL) UnmarshalText(text []byte) error {
 372         u, err := url.Parse(string(text))
 373         if err == nil {
 374                 *su = URL(*u)
 375                 if su.Path == "" && su.Host != "" {
 376                         // http://example really means http://example/
 377                         su.Path = "/"
 378                 }
 379         }
 380         return err
 381 }
 382
 383 func (su URL) MarshalText() ([]byte, error) {
 384         return []byte(fmt.Sprintf("%s", (*url.URL)(&su).String())), nil
 385 }
 386
 387 func (su URL) String() string {
 388         return (*url.URL)(&su).String()
 389 }
 390
 391 type ServiceInstance struct {
 392         Rendezvous string `json:",omitempty"`
 393 }
 394
 395 type PostgreSQL struct {
 396         Connection     PostgreSQLConnection
 397         ConnectionPool int
 398 }
 399
 400 type PostgreSQLConnection map[string]string
 401
 402 type RemoteCluster struct {
 403         Host          string
 404         Proxy         bool
 405         Scheme        string
 406         Insecure      bool
 407         ActivateUsers bool
 408 }
 409
 410 type InstanceType struct {
 411         Name            string
 412         ProviderType    string
 413         VCPUs           int
 414         RAM             ByteSize
 415         Scratch         ByteSize
 416         IncludedScratch ByteSize
 417         AddedScratch    ByteSize
 418         Price           float64
 419         Preemptible     bool
 420 }
 421
 422 type ContainersConfig struct {
 423         CloudVMs                    CloudVMsConfig
 424         CrunchRunCommand            string
 425         CrunchRunArgumentsList      []string
 426         DefaultKeepCacheRAM         ByteSize
 427         DispatchPrivateKey          string
 428         LogReuseDecisions           bool
 429         MaxComputeVMs               int
 430         MaxDispatchAttempts         int
 431         MaxRetryAttempts            int
 432         MinRetryPeriod              Duration
 433         ReserveExtraRAM             ByteSize
 434         StaleLockTimeout            Duration
 435         SupportedDockerImageFormats StringSet
 436         UsePreemptibleInstances     bool
 437         RuntimeEngine               string
 438
 439         JobsAPI struct {
 440                 Enable         string
 441                 GitInternalDir string
 442         }
 443         Logging struct {
 444                 MaxAge                       Duration
 445                 LogBytesPerEvent             int
 446                 LogSecondsBetweenEvents      Duration
 447                 LogThrottlePeriod            Duration
 448                 LogThrottleBytes             int
 449                 LogThrottleLines             int
 450                 LimitLogBytesPerJob          int
 451                 LogPartialLineThrottlePeriod Duration
 452                 LogUpdatePeriod              Duration
 453                 LogUpdateSize                ByteSize
 454         }
 455         ShellAccess struct {
 456                 Admin bool
 457                 User  bool
 458         }
 459         SLURM struct {
 460                 PrioritySpread             int64
 461                 SbatchArgumentsList        []string
 462                 SbatchEnvironmentVariables map[string]string
 463                 Managed                    struct {
 464                         DNSServerConfDir       string
 465                         DNSServerConfTemplate  string
 466                         DNSServerReloadCommand string
 467                         DNSServerUpdateCommand string
 468                         ComputeNodeDomain      string
 469                         ComputeNodeNameservers StringSet
 470                         AssignNodeHostname     string
 471                 }
 472         }
 473         LSF struct {
 474                 BsubSudoUser      string
 475                 BsubArgumentsList []string
 476         }
 477 }
 478
 479 type CloudVMsConfig struct {
 480         Enable bool
 481
 482         BootProbeCommand               string
 483         DeployRunnerBinary             string
 484         ImageID                        string
 485         MaxCloudOpsPerSecond           int
 486         MaxProbesPerSecond             int
 487         MaxConcurrentInstanceCreateOps int
 488         PollInterval                   Duration
 489         ProbeInterval                  Duration
 490         SSHPort                        string
 491         SyncInterval                   Duration
 492         TimeoutBooting                 Duration
 493         TimeoutIdle                    Duration
 494         TimeoutProbe                   Duration
 495         TimeoutShutdown                Duration
 496         TimeoutSignal                  Duration
 497         TimeoutStaleRunLock            Duration
 498         TimeoutTERM                    Duration
 499         ResourceTags                   map[string]string
 500         TagKeyPrefix                   string
 501
 502         Driver           string
 503         DriverParameters json.RawMessage
 504 }
 505
 506 type InstanceTypeMap map[string]InstanceType
 507
 508 var errDuplicateInstanceTypeName = errors.New("duplicate instance type name")
 509
 510 // UnmarshalJSON handles old config files that provide an array of
 511 // instance types instead of a hash.
 512 func (it *InstanceTypeMap) UnmarshalJSON(data []byte) error {
 513         fixup := func(t InstanceType) (InstanceType, error) {
 514                 if t.ProviderType == "" {
 515                         t.ProviderType = t.Name
 516                 }
 517                 if t.Scratch == 0 {
 518                         t.Scratch = t.IncludedScratch + t.AddedScratch
 519                 } else if t.AddedScratch == 0 {
 520                         t.AddedScratch = t.Scratch - t.IncludedScratch
 521                 } else if t.IncludedScratch == 0 {
 522                         t.IncludedScratch = t.Scratch - t.AddedScratch
 523                 }
 524
 525                 if t.Scratch != (t.IncludedScratch + t.AddedScratch) {
 526                         return t, fmt.Errorf("InstanceType %q: Scratch != (IncludedScratch + AddedScratch)", t.Name)
 527                 }
 528                 return t, nil
 529         }
 530
 531         if len(data) > 0 && data[0] == '[' {
 532                 var arr []InstanceType
 533                 err := json.Unmarshal(data, &arr)
 534                 if err != nil {
 535                         return err
 536                 }
 537                 if len(arr) == 0 {
 538                         *it = nil
 539                         return nil
 540                 }
 541                 *it = make(map[string]InstanceType, len(arr))
 542                 for _, t := range arr {
 543                         if _, ok := (*it)[t.Name]; ok {
 544                                 return errDuplicateInstanceTypeName
 545                         }
 546                         t, err := fixup(t)
 547                         if err != nil {
 548                                 return err
 549                         }
 550                         (*it)[t.Name] = t
 551                 }
 552                 return nil
 553         }
 554         var hash map[string]InstanceType
 555         err := json.Unmarshal(data, &hash)
 556         if err != nil {
 557                 return err
 558         }
 559         // Fill in Name field (and ProviderType field, if not
 560         // specified) using hash key.
 561         *it = InstanceTypeMap(hash)
 562         for name, t := range *it {
 563                 t.Name = name
 564                 t, err := fixup(t)
 565                 if err != nil {
 566                         return err
 567                 }
 568                 (*it)[name] = t
 569         }
 570         return nil
 571 }
 572
 573 type StringSet map[string]struct{}
 574
 575 // UnmarshalJSON handles old config files that provide an array of
 576 // instance types instead of a hash.
 577 func (ss *StringSet) UnmarshalJSON(data []byte) error {
 578         if len(data) > 0 && data[0] == '[' {
 579                 var arr []string
 580                 err := json.Unmarshal(data, &arr)
 581                 if err != nil {
 582                         return err
 583                 }
 584                 if len(arr) == 0 {
 585                         *ss = nil
 586                         return nil
 587                 }
 588                 *ss = make(map[string]struct{}, len(arr))
 589                 for _, t := range arr {
 590                         (*ss)[t] = struct{}{}
 591                 }
 592                 return nil
 593         }
 594         var hash map[string]struct{}
 595         err := json.Unmarshal(data, &hash)
 596         if err != nil {
 597                 return err
 598         }
 599         *ss = make(map[string]struct{}, len(hash))
 600         for t := range hash {
 601                 (*ss)[t] = struct{}{}
 602         }
 603
 604         return nil
 605 }
 606
 607 type ServiceName string
 608
 609 const (
 610         ServiceNameRailsAPI      ServiceName = "arvados-api-server"
 611         ServiceNameController    ServiceName = "arvados-controller"
 612         ServiceNameDispatchCloud ServiceName = "arvados-dispatch-cloud"
 613         ServiceNameDispatchLSF   ServiceName = "arvados-dispatch-lsf"
 614         ServiceNameHealth        ServiceName = "arvados-health"
 615         ServiceNameWorkbench1    ServiceName = "arvados-workbench1"
 616         ServiceNameWorkbench2    ServiceName = "arvados-workbench2"
 617         ServiceNameWebsocket     ServiceName = "arvados-ws"
 618         ServiceNameKeepbalance   ServiceName = "keep-balance"
 619         ServiceNameKeepweb       ServiceName = "keep-web"
 620         ServiceNameKeepproxy     ServiceName = "keepproxy"
 621         ServiceNameKeepstore     ServiceName = "keepstore"
 622 )
 623
 624 // Map returns all services as a map, suitable for iterating over all
 625 // services or looking up a service by name.
 626 func (svcs Services) Map() map[ServiceName]Service {
 627         return map[ServiceName]Service{
 628                 ServiceNameRailsAPI:      svcs.RailsAPI,
 629                 ServiceNameController:    svcs.Controller,
 630                 ServiceNameDispatchCloud: svcs.DispatchCloud,
 631                 ServiceNameDispatchLSF:   svcs.DispatchLSF,
 632                 ServiceNameHealth:        svcs.Health,
 633                 ServiceNameWorkbench1:    svcs.Workbench1,
 634                 ServiceNameWorkbench2:    svcs.Workbench2,
 635                 ServiceNameWebsocket:     svcs.Websocket,
 636                 ServiceNameKeepbalance:   svcs.Keepbalance,
 637                 ServiceNameKeepweb:       svcs.WebDAV,
 638                 ServiceNameKeepproxy:     svcs.Keepproxy,
 639                 ServiceNameKeepstore:     svcs.Keepstore,
 640         }
 641 }