fix(session): support auto recreate session when upgrade (#2959)

* fix failed to auto recreate session when upgrade

* The impact of code changes is limited to multiCloud

* response to reivew

* response to review

* response to review

server/odc-service/src/main/java/com/oceanbase/odc/service/session/ConnectSessionService.java

@@ -276,7 +276,11 @@ public ConnectionSession create(@NotNull CreateSessionReq req) {
  DefaultConnectSessionIdGenerator idGenerator = new DefaultConnectSessionIdGenerator();
  idGenerator.setDatabaseId(req.getDbId());
  idGenerator.setFixRealId(StringUtils.isBlank(req.getRealId()) ? null : req.getRealId());
- idGenerator.setHost(stateHostGenerator.getHost());
+ if (Objects.nonNull(req.getFrom()) && isOBCloudEnvironment()) {
+ idGenerator.setHost(req.getFrom());
+ } else {
+ idGenerator.setHost(stateHostGenerator.getHost());
+ }
  sessionFactory.setIdGenerator(idGenerator);
  long timeoutMillis = TimeUnit.MILLISECONDS.convert(sessionProperties.getTimeoutMins(), TimeUnit.MINUTES);
  timeoutMillis = timeoutMillis + this.connectionSessionManager.getScanIntervalMillis();
@@ -330,8 +334,8 @@ public ConnectionSession nullSafeGet(@NotNull String sessionId, boolean autoCrea
  ConnectionSession session = connectionSessionManager.getSession(sessionId);
  if (session == null) {
  CreateSessionReq req = new DefaultConnectSessionIdGenerator().getKeyFromId(sessionId);
- boolean autoRecreate = cloudMetadataClient.supportsCloudMetadata();
- if (!autoCreate || (!StringUtils.equals(req.getFrom(), stateHostGenerator.getHost()) && !autoRecreate)) {
+ if (!autoCreate
+  || (!StringUtils.equals(req.getFrom(), stateHostGenerator.getHost()) && !isOBCloudEnvironment())) {
  throw new NotFoundException(ResourceType.ODC_SESSION, "ID", sessionId);
  }
  Lock lock = this.sessionId2Lock.computeIfAbsent(sessionId, s -> new ReentrantLock());
@@ -466,4 +470,9 @@ private void preCheckSessionLimit() {
  }
  }
 
+ private boolean isOBCloudEnvironment() {
+ return cloudMetadataClient.supportsCloudMetadata()
+ && Boolean.FALSE.equals(cloudMetadataClient.supportsCloudParentUid());
+ }
+
 }