/**
* Determine current startup mode. See BootMode for detailed explanation of each mode.
*
* @param config
* @return
*/
private StartupMode checkStartupMode(Configuration config) throws IOException {
// Check on disk mode first
StartupMode bootMode = checkStartupModeOnDisk(config);
if (bootMode != null) {
return bootMode;
}
// Check geodb restore flag in zk
if (checkConfigBool(config, Constants.STARTUPMODE_RESTORE_REINIT)) {
_log.info("Found geodbrestore config: {}", Constants.STARTUPMODE_RESTORE_REINIT);
GeodbRestoreMode mode = new GeodbRestoreMode(config);
mode.setCoordinator(_coordinator);
mode.setSchemaUtil(_schemaUtil);
mode.setDbDir(dbDir);
return mode;
}
// Check geodb reinit ZK flag for add-vdc
if (checkConfigBool(config, Constants.REINIT_DB)) {
_log.info("Found reinit config: {}", Constants.REINIT_DB);
// reinit both system table and StorageOS tables
DbReinitMode mode = new DbReinitMode(config);
mode.setCoordinator(_coordinator);
mode.setSchemaUtil(_schemaUtil);
mode.setDbDir(dbDir);
return mode;
}
// check geodb cleanup mode for remove-vdc
List<String> obsoletePeers = checkConfigList(config, Constants.OBSOLETE_CASSANDRA_PEERS);
if (!obsoletePeers.isEmpty()) {
// drop peers ip/tokens from system table
ObsoletePeersCleanupMode mode = new ObsoletePeersCleanupMode(config);
mode.setCoordinator(_coordinator);
mode.setSchemaUtil(_schemaUtil);
mode.setObsoletePeers(obsoletePeers);
return mode;
} else {
NormalMode mode = new NormalMode(config);
mode.setCoordinator(_coordinator);
mode.setSchemaUtil(_schemaUtil);
return mode;
}
}