/**
* Update an Agent's setup information. When an agent's 'setup' is called after it has already
* been setup, the connection information (i.e. address to contact, port, etc.) are updated but
* the same agent token is kept.
*/
private UpdateAgent_result cmdUpdateAgent(LatherContext ctx, UpdateAgent_args args)
throws LatherRemoteException {
Agent agent;
String errRes;
try {
checkUserCanManageAgent(ctx, args.getUser(), args.getPword(), "update");
} catch (PermissionException exc) {
return new UpdateAgent_result("Permission denied");
}
validateAgent(ctx, args.getAgentToken(), false);
String agentIP = args.getAgentIP();
int port = args.getAgentPort();
boolean isNewTransportAgent = args.isNewTransportAgent();
boolean unidirectional = args.isUnidirectional();
boolean acceptValidation = args.isAcceptCertificates();
try {
agent = agentManager.getAgent(args.getAgentToken());
if ((errRes =
testAgentConn(
agentIP,
port,
agent.getAuthToken(),
isNewTransportAgent,
unidirectional,
acceptValidation))
!= null) {
return new UpdateAgent_result(errRes);
}
log.info(
"Updating agent at "
+ agentIP
+ ":"
+ port
+ ""
+ "; new transport="
+ isNewTransportAgent
+ "; unidirectional="
+ unidirectional);
if (isNewTransportAgent) {
agentManager.updateNewTransportAgent(args.getAgentToken(), agentIP, port, unidirectional);
} else {
agentManager.updateLegacyAgent(args.getAgentToken(), agentIP, port);
}
} catch (AgentNotFoundException exc) {
return new UpdateAgent_result("Agent not found for update");
}
return new UpdateAgent_result();
}
/**
* Registers the agent according to the provided RegisterAgent_args under a new transaction
*
* @param args - the RegisterAgent_args
* @param ids - if the is an existing agent, this collection will contain the ids of the platforms
* monitored by this agent after this method execution.
* @return - RegisterAgent_result
*/
@Transactional(propagation = Propagation.REQUIRES_NEW)
private RegisterAgent_result registerAgent(RegisterAgent_args args, Collection<Integer> ids) {
String agentIP = args.getAgentIP();
int port = args.getAgentPort();
String version = args.getVersion();
boolean isNewTransportAgent = args.isNewTransportAgent();
boolean unidirectional = args.isUnidirectional();
boolean acceptValidation = args.isAcceptCertificates();
String errRes =
testAgentConn(
agentIP,
port,
args.getAuthToken(),
isNewTransportAgent,
unidirectional,
acceptValidation);
if (errRes != null) {
return new RegisterAgent_result(errRes);
}
boolean isOldAgentToken = true;
String agentToken = args.getAgentToken();
if (agentToken == null) {
// Generate a unique agent token
agentToken = SecurityUtil.generateRandomToken();
while (!agentManager.isAgentTokenUnique(agentToken)) {
agentToken = SecurityUtil.generateRandomToken();
}
isOldAgentToken = false;
}
// Check the to see if the agent already exists.
// Lookup the agent by agent token (if it exists). Otherwise, use the
// agent IP and port.
try {
Agent origAgent;
if (isOldAgentToken) {
origAgent = agentManager.getAgent(agentToken);
} else {
origAgent = agentManager.getAgent(agentIP, port);
}
try {
ids.addAll(
platformManager.getPlatformPksByAgentToken(
authzSubjectManager.getOverlordPojo(), origAgent.getAgentToken()));
} catch (Exception e) {
// No platforms found, no a big deal
}
log.info(
"Found preexisting agent during agent registration. "
+ "Updating agent information for "
+ agentIP
+ ":"
+ port
+ "; new transport="
+ isNewTransportAgent
+ "; unidirectional="
+ unidirectional);
if (isOldAgentToken) {
if (isNewTransportAgent) {
agentManager.updateNewTransportAgent(
agentToken, agentIP, port, args.getAuthToken(), version, unidirectional);
} else {
agentManager.updateLegacyAgent(agentToken, agentIP, port, args.getAuthToken(), version);
}
} else {
if (isNewTransportAgent) {
agentManager.updateNewTransportAgent(
agentIP, port, args.getAuthToken(), agentToken, version, unidirectional);
} else {
agentManager.updateLegacyAgent(agentIP, port, args.getAuthToken(), agentToken, version);
}
}
} catch (AgentNotFoundException exc) {
log.info(
"Registering agent at "
+ agentIP
+ ":"
+ port
+ ""
+ "; new transport="
+ isNewTransportAgent
+ "; unidirectional="
+ unidirectional);
try {
if (isNewTransportAgent) {
agentManager.createNewTransportAgent(
agentIP, new Integer(port), args.getAuthToken(), agentToken, version, unidirectional);
} else {
agentManager.createLegacyAgent(
agentIP, new Integer(port), args.getAuthToken(), agentToken, version);
}
} catch (AgentCreateException oexc) {
log.error("Error creating agent", oexc);
return new RegisterAgent_result("Error creating agent: " + oexc.getMessage());
} catch (SystemException oexc) {
log.error("Error creating agent", oexc);
return new RegisterAgent_result("Error creating agent: " + "Internal system error");
}
} catch (SystemException exc) {
log.error("Error updating agent", exc);
return new RegisterAgent_result("Error updating agent: " + "Internal system error");
}
RegisterAgent_result result = new RegisterAgent_result("token:" + agentToken);
return result;
}