// Initialize creates a repositories manager that is handled through package functions.
func Initialize() error {
m := &repoManager{
repoToUUID: make(map[dvid.RepoID]dvid.UUID),
versionToUUID: make(map[dvid.VersionID]dvid.UUID),
uuidToVersion: make(map[dvid.UUID]dvid.VersionID),
repos: make(map[dvid.UUID]*repoT),
repoID: 1,
versionID: 1,
instanceID: 1,
}
var err error
m.store, err = storage.MetaDataStore()
if err != nil {
return err
}
// Set the package variable. We are good to go...
manager = m
// Load the repo metadata
if err = m.loadMetadata(); err != nil {
return fmt.Errorf("Error loading metadata: %v", err)
}
// If there are any migrations registered, run them.
migrator_mu.RLock()
defer migrator_mu.RUnlock()
for desc, f := range migrators {
dvid.Infof("Running migration: %s\n", desc)
go f()
}
return nil
}
// Initialize creates a repositories manager that is handled through package functions.
func Initialize(initMetadata bool, iconfig *InstanceConfig) error {
m := &repoManager{
repoToUUID: make(map[dvid.RepoID]dvid.UUID),
versionToUUID: make(map[dvid.VersionID]dvid.UUID),
uuidToVersion: make(map[dvid.UUID]dvid.VersionID),
repos: make(map[dvid.UUID]*repoT),
repoID: 1,
versionID: 1,
iids: make(map[dvid.InstanceID]DataService),
instanceIDGen: iconfig.Gen,
instanceIDStart: iconfig.Start,
}
if iconfig.Gen == "" {
m.instanceIDGen = "sequential"
}
if iconfig.Start > 1 {
m.instanceID = iconfig.Start
} else {
m.instanceID = 1
}
var err error
m.store, err = storage.MetaDataStore()
if err != nil {
return err
}
// Set the package variable. We are good to go...
manager = m
if initMetadata {
// Initialize repo management data in storage
dvid.Infof("Initializing repo management data in storage...\n")
if err := m.putNewIDs(); err != nil {
return err
}
if err := m.putCaches(); err != nil {
return err
}
m.formatVersion = RepoFormatVersion
} else {
// Load the repo metadata
dvid.Infof("Loading metadata from storage...\n")
if err = m.loadMetadata(); err != nil {
return fmt.Errorf("Error loading metadata: %v", err)
}
// If there are any migrations registered, run them.
migrator_mu.RLock()
defer migrator_mu.RUnlock()
for desc, f := range migrators {
dvid.Infof("Running migration: %s\n", desc)
go f()
}
}
return nil
}