// Adds a database to the ServerContext given its configuration.
func (sc *ServerContext) AddDatabaseFromConfig(config *DbConfig) error {
server := "http://localhost:8091"
pool := "default"
bucketName := config.name
if config.Server != nil {
server = *config.Server
}
if config.Pool != nil {
pool = *config.Pool
}
if config.Bucket != nil {
bucketName = *config.Bucket
}
dbName := config.name
if dbName == "" {
dbName = bucketName
}
base.Log("Opening db /%s as bucket %q, pool %q, server <%s>",
dbName, bucketName, pool, server)
if err := db.ValidateDatabaseName(dbName); err != nil {
return err
}
// Connect to the bucket and add the database:
bucket, err := db.ConnectToBucket(server, pool, bucketName)
if err != nil {
return err
}
dbcontext, err := db.NewDatabaseContext(dbName, bucket)
if err != nil {
return err
}
if config.Sync != nil {
if err := dbcontext.ApplySyncFun(*config.Sync); err != nil {
return err
}
}
if dbcontext.ChannelMapper == nil {
base.Warn("Database %q sync function undefined; using default", dbName)
}
// Create default users & roles:
if err := sc.installPrincipals(dbcontext, config.Roles, "role"); err != nil {
return err
} else if err := sc.installPrincipals(dbcontext, config.Users, "user"); err != nil {
return err
}
// Register it so HTTP handlers can find it:
if err := sc.registerDatabase(dbcontext); err != nil {
return err
}
return nil
}
// Returns the DatabaseContext with the given name
func (sc *ServerContext) GetDatabase(name string) (*db.DatabaseContext, error) {
sc.lock.RLock()
dbc := sc.databases_[name]
sc.lock.RUnlock()
if dbc != nil {
return dbc, nil
} else if db.ValidateDatabaseName(name) != nil {
return nil, &base.HTTPError{http.StatusBadRequest, "invalid database name '" + name + "'"}
} else if sc.config.ConfigServer == nil {
return nil, &base.HTTPError{http.StatusNotFound, "no such database '" + name + "'"}
} else {
// Let's ask the config server if it knows this database:
base.Log("Asking config server %q about db %q...", *sc.config.ConfigServer, name)
config, err := sc.getDbConfigFromServer(name)
if err != nil {
return nil, err
}
if dbc, err = sc.AddDatabaseFromConfig(config); err != nil {
return nil, err
}
return dbc, nil
}
}
// Adds a database to the ServerContext given its configuration.
func (sc *ServerContext) AddDatabaseFromConfig(config *DbConfig) (*db.DatabaseContext, error) {
server := "http://localhost:8091"
pool := "default"
bucketName := config.name
if config.Server != nil {
server = *config.Server
}
if config.Pool != nil {
pool = *config.Pool
}
if config.Bucket != nil {
bucketName = *config.Bucket
}
dbName := config.name
if dbName == "" {
dbName = bucketName
}
base.Log("Opening db /%s as bucket %q, pool %q, server <%s>",
dbName, bucketName, pool, server)
if err := db.ValidateDatabaseName(dbName); err != nil {
return nil, err
}
var importDocs, autoImport bool
switch config.ImportDocs {
case nil, false:
case true:
importDocs = true
case "continuous":
importDocs = true
autoImport = true
default:
return nil, fmt.Errorf("Unrecognized value for ImportDocs: %#v", config.ImportDocs)
}
// Connect to the bucket and add the database:
spec := base.BucketSpec{
Server: server,
PoolName: pool,
BucketName: bucketName,
}
if config.Username != "" {
spec.Auth = config
}
bucket, err := db.ConnectToBucket(spec)
if err != nil {
return nil, err
}
dbcontext, err := db.NewDatabaseContext(dbName, bucket, autoImport)
if err != nil {
return nil, err
}
syncFn := ""
if config.Sync != nil {
syncFn = *config.Sync
}
if err := dbcontext.ApplySyncFun(syncFn, importDocs); err != nil {
return nil, err
}
if config.RevsLimit != nil && *config.RevsLimit > 0 {
dbcontext.RevsLimit = *config.RevsLimit
}
if dbcontext.ChannelMapper == nil {
base.Warn("Database %q sync function undefined; using default", dbName)
}
// Create default users & roles:
if err := sc.installPrincipals(dbcontext, config.Roles, "role"); err != nil {
return nil, err
} else if err := sc.installPrincipals(dbcontext, config.Users, "user"); err != nil {
return nil, err
}
// Register it so HTTP handlers can find it:
if err := sc.registerDatabase(dbcontext); err != nil {
dbcontext.Close()
return nil, err
}
return dbcontext, nil
}
// Adds a database to the ServerContext given its configuration.
func (sc *ServerContext) AddDatabaseFromConfig(config *DbConfig) (*db.DatabaseContext, error) {
server := "http://localhost:8091"
pool := "default"
bucketName := config.name
if config.Server != nil {
server = *config.Server
}
if config.Pool != nil {
pool = *config.Pool
}
if config.Bucket != nil {
bucketName = *config.Bucket
}
dbName := config.name
if dbName == "" {
dbName = bucketName
}
base.Log("Opening db /%s as bucket %q, pool %q, server <%s>",
dbName, bucketName, pool, server)
if err := db.ValidateDatabaseName(dbName); err != nil {
return nil, err
}
var importDocs, autoImport bool
switch config.ImportDocs {
case nil, false:
case true:
importDocs = true
case "continuous":
importDocs = true
autoImport = true
default:
return nil, fmt.Errorf("Unrecognized value for ImportDocs: %#v", config.ImportDocs)
}
// Connect to the bucket and add the database:
spec := base.BucketSpec{
Server: server,
PoolName: pool,
BucketName: bucketName,
}
if config.Username != "" {
spec.Auth = config
}
bucket, err := db.ConnectToBucket(spec)
if err != nil {
return nil, err
}
dbcontext, err := db.NewDatabaseContext(dbName, bucket, autoImport)
if err != nil {
return nil, err
}
syncFn := ""
if config.Sync != nil {
syncFn = *config.Sync
}
if err := sc.applySyncFunction(dbcontext, syncFn); err != nil {
return nil, err
}
if importDocs {
db, _ := db.GetDatabase(dbcontext, nil)
if _, err := db.UpdateAllDocChannels(false, true); err != nil {
return nil, err
}
}
if config.RevsLimit != nil && *config.RevsLimit > 0 {
dbcontext.RevsLimit = *config.RevsLimit
}
if dbcontext.ChannelMapper == nil {
base.Log("Using default sync function 'channel(doc.channels)' for database %q", dbName)
}
// Create default users & roles:
if err := sc.installPrincipals(dbcontext, config.Roles, "role"); err != nil {
return nil, err
} else if err := sc.installPrincipals(dbcontext, config.Users, "user"); err != nil {
return nil, err
}
// Install bucket-shadower if any:
if shadow := config.Shadow; shadow != nil {
if err := sc.startShadowing(dbcontext, shadow); err != nil {
base.Warn("Database %q: unable to connect to external bucket for shadowing: %v",
dbName, err)
}
}
// Register it so HTTP handlers can find it:
if err := sc.registerDatabase(dbcontext); err != nil {
dbcontext.Close()
return nil, err
}
sc.setDatabaseConfig(config.name, config)
return dbcontext, nil
}