private static boolean reload_all() {
// 载入新的配置
ConfigInitializer loader = new ConfigInitializer(true);
Map<String, UserConfig> users = loader.getUsers();
Map<String, SchemaConfig> schemas = loader.getSchemas();
Map<String, PhysicalDBNode> dataNodes = loader.getDataNodes();
Map<String, PhysicalDBPool> dataHosts = loader.getDataHosts();
CloudbCluster cluster = loader.getCluster();
QuarantineConfig quarantine = loader.getQuarantine();
// 应用新配置
CloudbConfig conf = CloudbServer.getInstance().getConfig();
conf.setDataNodes(dataNodes);
Map<String, PhysicalDBPool> cNodes = conf.getDataHosts();
boolean reloadStatus = true;
for (PhysicalDBPool dn : dataHosts.values()) {
dn.setSchemas(
CloudbServer.getInstance().getConfig().getDataNodeSchemasOfDataHost(dn.getHostName()));
// init datahost
String index = DnPropertyUtil.loadDnIndexProps().getProperty(dn.getHostName(), "0");
if (!"0".equals(index)) {
LOGGER.info("init datahost: " + dn.getHostName() + " to use datasource index:" + index);
}
dn.init(Integer.valueOf(index));
// dn.init(0);
if (!dn.isInitSuccess()) {
reloadStatus = false;
break;
}
}
// 如果重载不成功，则清理已初始化的资源。
if (!reloadStatus) {
LOGGER.warn("reload failed ,clear previously created datasources ");
for (PhysicalDBPool dn : dataHosts.values()) {
dn.clearDataSources("reload config");
dn.stopHeartbeat();
}
return false;
}
// 应用重载
conf.reload(users, schemas, dataNodes, dataHosts, cluster, quarantine, true);
// 处理旧的资源
for (PhysicalDBPool dn : cNodes.values()) {
dn.clearDataSources("reload config clear old datasources");
dn.stopHeartbeat();
}
// 清理缓存
CloudbServer.getInstance().getCacheService().clearCache();
return true;
}
private static boolean reload() {
// 载入新的配置
ConfigInitializer loader = new ConfigInitializer(false);
Map<String, UserConfig> users = loader.getUsers();
Map<String, SchemaConfig> schemas = loader.getSchemas();
Map<String, PhysicalDBNode> dataNodes = loader.getDataNodes();
Map<String, PhysicalDBPool> dataHosts = loader.getDataHosts();
CloudbCluster cluster = loader.getCluster();
QuarantineConfig quarantine = loader.getQuarantine();
// 应用新配置
CloudbServer instance = CloudbServer.getInstance();
CloudbConfig conf = instance.getConfig();
// 应用重载
conf.reload(users, schemas, dataNodes, dataHosts, cluster, quarantine, false);
// 清理缓存
instance.getCacheService().clearCache();
return true;
}