func (sc *ServerContext) startShadowing(dbcontext *db.DatabaseContext, shadow *ShadowConfig) error {
var pattern *regexp.Regexp
if shadow.Doc_id_regex != nil {
var err error
pattern, err = regexp.Compile(*shadow.Doc_id_regex)
if err != nil {
base.Warn("Invalid shadow doc_id_regex: %s", *shadow.Doc_id_regex)
return err
}
}
spec := base.BucketSpec{
Server: shadow.Server,
PoolName: "default",
BucketName: shadow.Bucket,
}
if shadow.Pool != nil {
spec.PoolName = *shadow.Pool
}
if shadow.Username != "" {
spec.Auth = shadow
}
bucket, err := db.ConnectToBucket(spec)
if err != nil {
return err
}
shadower, err := db.NewShadower(dbcontext, bucket, pattern)
if err != nil {
bucket.Close()
return err
}
dbcontext.Shadower = shadower
//Remove credentials from server URL before logging
url, err := couchbase.ParseURL(spec.Server)
if err == nil {
base.Log("Database %q shadowing remote bucket %q, pool %q, server <%s:%s/%s>", dbcontext.Name, spec.BucketName, spec.PoolName, url.Scheme, url.Host, url.Path)
}
return 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
}
