//Backup - method to execute backup
func (s *MysqlPlugin) Backup() (err error) {
lo.G.Debug("Starting backup of mysql-tile")
var writer io.WriteCloser
var persistanceBackuper cfbackup.PersistanceBackup
var mysqlUserName, mysqlPassword string
var sshConfigs []command.SshConfig
if sshConfigs, err = s.getSSHConfig(); err == nil {
//take first node to execute backup on
sshConfig := sshConfigs[0]
if mysqlUserName, mysqlPassword, err = s.getMysqlCredentials(); err == nil {
lo.G.Debug("Successfully got mysqlCredentials")
if persistanceBackuper, err = s.GetPersistanceBackup(mysqlUserName, mysqlPassword, sshConfig); err == nil {
if writer, err = s.PivotalCF.NewArchiveWriter(outputFileName); err == nil {
defer writer.Close()
lo.G.Debug("Starting mysql dump")
err = persistanceBackuper.Dump(writer)
lo.G.Debug("Dump finished", err)
}
}
}
}
lo.G.Debug("Finished backup of mysql-tile", err)
return
}
//Restore - method to execute restore
func (s *MysqlPlugin) Restore() (err error) {
lo.G.Debug("Starting restore of mysql-tile")
var reader io.ReadCloser
var persistanceBackuper cfbackup.PersistanceBackup
var mysqlUserName, mysqlPassword string
var sshConfigs []command.SshConfig
if sshConfigs, err = s.getSSHConfig(); err == nil {
//take first node to execute restore on
sshConfig := sshConfigs[0]
if mysqlUserName, mysqlPassword, err = s.getMysqlCredentials(); err == nil {
if persistanceBackuper, err = s.GetPersistanceBackup(mysqlUserName, mysqlPassword, sshConfig); err == nil {
if reader, err = s.PivotalCF.NewArchiveReader(outputFileName); err == nil {
defer reader.Close()
if err = persistanceBackuper.Import(reader); err == nil {
err = s.GetPrivilegeFlusher(sshConfig, mysqlPassword)
}
}
}
}
}
lo.G.Debug("Finished restore of mysql-tile", err)
return
}
func (context *ElasticRuntime) readWriterArchive(dbInfo cfbackup.SystemDump, databaseDir string, action int) (err error) {
filename := fmt.Sprintf(ERBackupFileFormat, dbInfo.Get(cfbackup.SDComponent))
filepath := path.Join(databaseDir, filename)
var pb cfbackup.PersistanceBackup
if pb, err = dbInfo.GetPersistanceBackup(); err == nil {
switch action {
case cfbackup.ImportArchive:
lo.G.Debug("Restoring %s", dbInfo.Get(cfbackup.SDComponent))
var backupReader io.ReadCloser
if backupReader, err = context.Reader(filepath); err == nil {
defer backupReader.Close()
err = pb.Import(backupReader)
lo.G.Debug("Done restoring %s", dbInfo.Get(cfbackup.SDComponent))
}
case cfbackup.ExportArchive:
lo.G.Info("Exporting %s", dbInfo.Get(cfbackup.SDComponent))
var backupWriter io.WriteCloser
if backupWriter, err = context.Writer(filepath); err == nil {
defer backupWriter.Close()
err = pb.Dump(backupWriter)
lo.G.Debug("Done backing up %s", dbInfo.Get(cfbackup.SDComponent))
}
}
}
return
}