private void addMeasurementConfig(
List<MeasurementConfigEntity> ents, AppdefEntityID id, String typeName) {
MeasurementConfigEntity ent = new MeasurementConfigEntity();
ConfigResponse response;
byte[] config;
try {
response =
configManager.getMergedConfigResponse(
authzSubjectManager.getOverlordPojo(), ProductPlugin.TYPE_MEASUREMENT, id, true);
// Only send the configuration to the agent if log or
// config file tracking has been enabled.
if (ConfigTrackPlugin.isEnabled(response, id.getType())
|| LogTrackPlugin.isEnabled(response, id.getType())) {
config = response.encode();
ent.setPluginName(id.getAppdefKey());
ent.setPluginType(typeName);
ent.setConfig(config);
ents.add(ent);
}
} catch (Exception exc) {
return; // Not a fatal condition
}
}
public void processEvents(List<ResourcesCleanupZevent> events) {
log.info("starting removeDeletedResources");
final StopWatch watch = new StopWatch();
final Collection<String> typeNames = new ArrayList<String>();
for (final ResourcesCleanupZevent e : events) {
if (e instanceof ResourceTypeCleanupZevent) {
typeNames.addAll(((ResourceTypeCleanupZevent) e).getTypeNames());
}
}
if (events != null && !events.isEmpty()) {
try {
Map<Integer, List<AppdefEntityID>> agentCache = buildAsyncDeleteAgentCache(events);
removeDeletedResources(agentCache, typeNames);
final AuthzSubject overlord = authzSubjectManager.getOverlordPojo();
if (!typeNames.isEmpty()) {
resourceManager.removeResourceTypes(typeNames);
}
removeOrphanedPlatforms(overlord);
removeOrphanedServers(overlord);
removeOrphanedServices(overlord);
removeOrphanedAlertDefs();
removeOrphanedResourceGroupMembers();
removeOrphanedAudits();
removeOrphanedEscalationStates(overlord);
removeOrphanedResources(overlord);
} catch (Exception e) {
log.error("removeDeletedResources failed", e);
}
}
log.info("completed removeDeletedResources " + watch);
}
/**
* Register an Agent with the server. This method calls out to verify it can talk to the agent,
* and then adds it to the database. With all the connection info used to make further
* connections.
*/
private RegisterAgent_result cmdRegisterAgent(LatherContext ctx, RegisterAgent_args args)
throws LatherRemoteException {
try {
checkUserCanManageAgent(ctx, args.getUser(), args.getPword(), "register");
} catch (PermissionException exc) {
return new RegisterAgent_result("Permission denied");
}
Collection<Integer> ids = new ArrayList<Integer>();
RegisterAgent_result result = registerAgent(args, ids);
/**
* Reschedule all metrics on a platform when it is started for the first time. This allows the
* schedule to be updated immediately on either agent updates, or if the user removes the agent
* data directory.
*/
if (!ids.isEmpty()) {
try {
List<ResourceRefreshZevent> zevents = new ArrayList<ResourceRefreshZevent>();
ResourceRefreshZevent zevent;
AuthzSubject overlord = authzSubjectManager.getOverlordPojo();
for (Integer id : ids) {
Platform platform = platformManager.findPlatformById(id);
zevent = new ResourceRefreshZevent(overlord, platform.getEntityId());
zevents.add(zevent);
Collection<Server> servers = platform.getServers();
for (Server server : servers) {
zevent = new ResourceRefreshZevent(overlord, server.getEntityId());
zevents.add(zevent);
Collection<Service> services = server.getServices();
for (Service service : services) {
zevent = new ResourceRefreshZevent(overlord, service.getEntityId());
zevents.add(zevent);
}
}
}
zeventManager.enqueueEventsAfterCommit(zevents);
} catch (Exception e) {
// Not fatal, the metrics will eventually be rescheduled...
log.error("Unable to refresh agent schedule", e);
}
}
return result;
}
/** Get config information about all the entities which an agent is servicing. */
private MeasurementGetConfigs_result cmdMeasurementGetConfigs(MeasurementGetConfigs_args args)
throws LatherRemoteException {
ResourceTree tree;
AuthzSubject overlord = authzSubjectManager.getOverlordPojo();
try {
tree = agentManager.getEntitiesForAgent(overlord, args.getAgentToken());
} catch (PermissionException exc) {
throw new SystemException("Overlord unable to get resource " + "tree list");
} catch (AgentNotFoundException exc) {
throw new SystemException("Validated an agent which could " + "not be found");
}
ArrayList<MeasurementConfigEntity> ents = new ArrayList<MeasurementConfigEntity>();
for (Iterator<PlatformNode> p = tree.getPlatformIterator(); p.hasNext(); ) {
PlatformNode pNode = p.next();
addMeasurementConfig(ents, pNode.getPlatform());
try {
AppdefEntityValue aeval =
new AppdefEntityValue(pNode.getPlatform().getEntityId(), overlord);
List<AppdefResourceValue> services = aeval.getAssociatedServices(PageControl.PAGE_ALL);
for (int i = 0; i < services.size(); i++) {
ServiceValue val = (ServiceValue) services.get(i);
AppdefEntityID id = val.getEntityId();
addMeasurementConfig(ents, id, val.getServiceType().getName());
}
} catch (Exception e) {
// Shouldn't happen
log.error("Encountered exception looking up platform " + "services: " + e.getMessage(), e);
}
for (Iterator<ServerNode> s = pNode.getServerIterator(); s.hasNext(); ) {
ServerNode sNode = s.next();
addMeasurementConfig(ents, sNode.getServer());
for (Iterator<ServiceNode> v = sNode.getServiceIterator(); v.hasNext(); ) {
ServiceNode vNode = v.next();
addMeasurementConfig(ents, vNode.getService());
}
}
}
MeasurementConfigList cList = new MeasurementConfigList();
cList.setEntities(ents.toArray(new MeasurementConfigEntity[ents.size()]));
MeasurementGetConfigs_result res = new MeasurementGetConfigs_result();
res.setConfigs(cList);
return res;
}
/** @see org.hyperic.hq.zevents.ZeventListener#processEvents(java.util.List) */
public void processEvents(List<TransferAgentBundleZevent> events) {
AuthzSubject overlord = authzSubjectManager.getOverlordPojo();
for (TransferAgentBundleZevent zevent : events) {
try {
agentManager.transferAgentBundle(overlord, zevent.getAgent(), zevent.getAgentBundleFile());
} catch (Exception e) {
_log.warn(
"Failed to transfer agent bundle "
+ zevent.getAgentBundleFile()
+ " to agent "
+ zevent.getAgent().getID(),
e);
}
}
}
/** Receive status information about a previous control action */
private NullLatherValue cmdControlSendCommandResult(ControlSendCommandResult_args args) {
controlManager.sendCommandResult(
args.getId(), args.getResult(), args.getStartTime(), args.getEndTime(), args.getMessage());
// Get live measurements on the resource
String name = args.getName();
if (name != null) {
log.info("Getting live measurements for " + name);
AppdefEntityID id = new AppdefEntityID(name);
try {
measurementManager.getLiveMeasurementValues(authzSubjectManager.getOverlordPojo(), id);
} catch (Exception e) {
log.error("Unable to fetch live measurements: " + e, e);
}
} else {
log.error("No plugin name found, not fetching live measurements");
}
return NullLatherValue.INSTANCE;
}
/**
* 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;
}
