/**
* Get a agent on given id.
*
* @param id agent id
* @return agent
*/
public AgentInfo getAgent(long id) {
AgentInfo agentInfo = agentRepository.findOne(id);
if (agentInfo == null) {
return null;
}
AgentControllerIdentityImplementation agentIdentity =
agentManager.getAgentIdentityByIp(agentInfo.getIp());
if (agentIdentity != null) {
agentInfo.setStatus(agentManager.getAgentState(agentIdentity));
agentInfo.setPort(agentManager.getAgentConnectingPort(agentIdentity));
agentInfo.setHostName(agentIdentity.getName());
agentInfo.setRegion(agentIdentity.getRegion());
agentInfo.setAgentIdentity(agentIdentity);
}
return agentInfo;
}
@CacheEvict(allEntries = true, value = "agents")
private AgentInfo creatAgentInfo(
AgentControllerIdentityImplementation agentIdentity, List<AgentInfo> agents) {
AgentInfo agentInfo = new AgentInfo();
for (AgentInfo each : agents) {
if (each != null && StringUtils.equals(each.getIp(), agentIdentity.getIp())) {
agentInfo = each;
break;
}
}
if (!StringUtils.equals(agentInfo.getHostName(), agentIdentity.getName())
|| !StringUtils.equals(agentInfo.getRegion(), agentIdentity.getRegion())) {
agentInfo.setHostName(agentIdentity.getName());
agentInfo.setRegion(agentIdentity.getRegion());
agentInfo.setIp(agentIdentity.getIp());
agentInfo = agentRepository.save(agentInfo);
}
agentInfo.setPort(agentManager.getAgentConnectingPort(agentIdentity));
agentInfo.setStatus(agentManager.getAgentState(agentIdentity));
// need to save agent info into DB, like ip and port maybe changed.
return agentInfo;
}
