public int getSuffixNo(String newContainerPrefix) {
int newContainerNo = 0;
try {
Service.Slice[] slices = getAllSlices();
for (int i = 0; i < slices.length; i++) {
LoadServiceSlice slice = (LoadServiceSlice) slices[i];
String sliceName = slice.getNode().getName();
if (sliceName.startsWith(newContainerPrefix)) {
String endString = sliceName.replace(newContainerPrefix, "");
try {
Integer endNumber = Integer.parseInt(endString);
if (endNumber > newContainerNo) {
newContainerNo = endNumber;
}
} catch (Exception e) {
}
}
}
} catch (ServiceException errSlices) {
logger.error(errSlices);
}
newContainerNo++;
return newContainerNo;
}
/**
* Broadcast to start a new remote-container for this platform.
*
* @param containerName2Wait4 the container name2 wait4
* @return the container2 wait4
* @throws ServiceException the service exception
*/
private Container2Wait4 broadcastGetNewContainer2Wait4Status(String containerName2Wait4)
throws ServiceException {
logger.debug("Start a new remote container!");
String sliceName = null;
try {
LoadServiceSlice slice = (LoadServiceSlice) getSlice(MAIN_SLICE);
sliceName = slice.getNode().getName();
logger.debug("Try to start a new remote container " + sliceName);
return slice.getNewContainer2Wait4Status(containerName2Wait4);
} catch (ServiceException | IMTPException t) {
// NOTE that slices are always retrieved from the main and not from the cache --> No need to
// retry in case of failure
logger.warn("Error while starting a new remote-container from " + sliceName, t);
}
return null;
}
/**
* Broadcast the new locations to the agents.
*
* @see AID_Container
* @param transferAgents the Vector of agents to transfer
* @param slices the slices
* @throws ServiceException the service exception
*/
private void broadcastAgentMigration(Vector<AID_Container> transferAgents, Service.Slice[] slices)
throws ServiceException {
for (int i = 0; i < slices.length; i++) {
String sliceName = null;
try {
LoadServiceSlice slice = (LoadServiceSlice) slices[i];
sliceName = slice.getNode().getName();
logger.info("Sending migration notification to agents at " + sliceName);
slice.setAgentMigration(transferAgents);
} catch (ServiceException | IMTPException t) {
// NOTE that slices are always retrieved from the main and not from the cache --> No need to
// retry in case of failure
logger.warn(
"Error while sending migration notification to agents at slice " + sliceName, t);
}
}
}
/**
* This Methods returns the default Remote-Container-Configuration, coming from the
* Main-Container.
*
* @param preventUsageOfAlreadyUsedComputers the prevent usage of already used computers
* @return the RemoteContainerConfig
* @throws ServiceException the service exception
*/
private RemoteContainerConfig broadcastGetAutoRemoteContainerConfig() throws ServiceException {
logger.debug("Start request for the default remote container configuration!");
String sliceName = null;
try {
LoadServiceSlice slice = (LoadServiceSlice) getSlice(MAIN_SLICE);
sliceName = slice.getNode().getName();
logger.debug(
"Start request for the default remote container configuration at container " + sliceName);
return slice.getAutoRemoteContainerConfig();
} catch (ServiceException | IMTPException t) {
// NOTE that slices are always retrieved from the main and not from the cache --> No need to
// retry in case of failure
logger.warn(
"Error while trying to get the default remote container configuration from " + sliceName,
t);
}
return null;
}
/**
* Broadcast to set the defaults for a remote container configuration.
*
* @param remoteContainerConfig the remote container configuration
* @throws ServiceException the service exception
*/
private void broadcastSetDefaults4RemoteContainerConfig(
RemoteContainerConfig remoteContainerConfig) throws ServiceException {
logger.debug("Sending the default remote container configuration!");
String sliceName = null;
try {
LoadServiceSlice slice = (LoadServiceSlice) getSlice(MAIN_SLICE);
sliceName = slice.getNode().getName();
logger.debug("Sending the default remote container configuration to container " + sliceName);
slice.setDefaults4RemoteContainerConfig(remoteContainerConfig);
} catch (ServiceException | IMTPException t) {
// NOTE that slices are always retrieved from the main and not from the cache --> No need to
// retry in case of failure
logger.warn(
"Error while try to send the default remote container configuration to container "
+ sliceName,
t);
}
}
/**
* 'Broadcast' (or receive) all Informations about the containers load. The information will be
* set to the local {@link #loadInfo}.
*
* @param slices the slices
* @throws ServiceException the service exception
*/
private void broadcastMeasureLoad(Service.Slice[] slices) throws ServiceException {
loadInfo.containerLoads.clear();
logger.debug("Try to get Load-Information from all Containers !");
for (int i = 0; i < slices.length; i++) {
String sliceName = null;
try {
LoadServiceSlice slice = (LoadServiceSlice) slices[i];
sliceName = slice.getNode().getName();
logger.debug("Try to get Load-Information of " + sliceName);
PlatformLoad pl = slice.measureLoad();
loadInfo.containerLoads.put(sliceName, pl);
} catch (ServiceException | IMTPException t) {
// NOTE that slices are always retrieved from the main and not from the cache --> No need to
// retry in case of failure
logger.warn("Error while executing 'MeasureLoad' on slice " + sliceName, t);
}
}
}
/**
* Broadcast informtion's of the remote-container (OS etc.) to all remote-container of this
* platform.
*
* @param slices the slices
* @param crcReply the ClientRemoteContainerReply
* @throws ServiceException the service exception
*/
private void broadcastPutContainerDescription(
Service.Slice[] slices, ClientRemoteContainerReply crcReply) throws ServiceException {
logger.debug("Sending remote container Information!");
for (int i = 0; i < slices.length; i++) {
String sliceName = null;
try {
LoadServiceSlice slice = (LoadServiceSlice) slices[i];
sliceName = slice.getNode().getName();
logger.debug("Try sending remote container Information to " + sliceName);
slice.putContainerDescription(crcReply);
} catch (ServiceException | IMTPException t) {
// NOTE that slices are always retrieved from the main and not from the cache --> No need to
// retry in case of failure
logger.warn("Error while try to send container information to " + sliceName, t);
}
}
}
/**
* Collects all {@link Location} information from the connected container. The information will be
* set to the local {@link #loadInfo}.
*
* @param slices the slices
* @throws ServiceException the service exception
*/
private void broadcastGetContainerLocation(Service.Slice[] slices) throws ServiceException {
loadInfo.containerLocations.clear();
logger.debug("Try to get Location-Informations!");
for (int i = 0; i < slices.length; i++) {
String sliceName = null;
try {
LoadServiceSlice slice = (LoadServiceSlice) slices[i];
sliceName = slice.getNode().getName();
logger.debug("Try to get Location-Object for " + sliceName);
Location cLoc = slice.getLocation();
loadInfo.containerLocations.put(sliceName, cLoc);
} catch (ServiceException | IMTPException t) {
// NOTE that slices are always retrieved from the main and not from the cache --> No need to
// retry in case of failure
logger.warn("Error while try to get Location-Object from " + sliceName, t);
}
}
}
/**
* This method starts an agent on an designate (remote) container.
*
* @param localName4Agent the nick local Name of the agent
* @param agentClassName the agent class name
* @param args the args
* @param containerName the container name
* @return true, if successful
* @throws ServiceException the service exception
*/
private boolean broadcastStartAgent(
String localName4Agent, String agentClassName, Object[] args, String containerName)
throws ServiceException {
logger.info("Try to start agent " + localName4Agent + " on container" + containerName);
String sliceName = null;
try {
LoadServiceSlice slice = (LoadServiceSlice) getSlice(containerName);
sliceName = slice.getNode().getName();
logger.info("Start agent '" + localName4Agent + "' on container " + sliceName + "");
return slice.startAgent(localName4Agent, agentClassName, args);
} catch (ServiceException | IMTPException t) {
// NOTE that slices are always retrieved from the main and not from the cache --> No need to
// retry in case of failure
logger.warn(
"Error while trying to get the default remote container configuration from " + sliceName,
t);
}
return false;
}
/**
* If the new slice is a LoadServiceSlice notify it about the current state.
*
* @param cmd the VerticalCommand
*/
private void handleNewSlice(VerticalCommand cmd) {
if (cmd.getService().equals(NAME)) {
// --- We ARE in the Main-Container !!! ----------------------------------------
Object[] params = cmd.getParams();
String newSliceName = (String) params[0];
try {
// --- Is this the slice, we have waited for? ------------------------------
loadInfo.setNewContainerStarted(newSliceName);
// --- Be sure to get the new (fresh) slice --> Bypass the service cache ---
LoadServiceSlice newSlice = (LoadServiceSlice) getFreshSlice(newSliceName);
// --- Set the local ThresholdLevels to the new container ------------------
newSlice.setThresholdLevels(LoadMeasureThread.getThresholdLevels());
} catch (ServiceException | IMTPException t) {
logger.error(
"Error notifying new slice " + newSliceName + " about current LoadService-State", t);
}
}
}
/**
* 'Broadcast' (or receive) the list of all agents in a container with a registered sensor. The
* information will be set to the local {@link #loadInfo}.
*
* @param slices the slices
* @throws ServiceException the service exception
*/
private void broadcastGetAIDListSensorAgents(Service.Slice[] slices) throws ServiceException {
loadInfo.sensorAgents = new Vector<>();
logger.debug("Try to get Sensor-AID's from all Containers !");
for (int i = 0; i < slices.length; i++) {
String sliceName = null;
try {
LoadServiceSlice slice = (LoadServiceSlice) slices[i];
sliceName = slice.getNode().getName();
logger.debug("Try to get Sensor-AID''s from " + sliceName);
AID[] aidList = slice.getAIDListSensorAgents();
loadInfo.sensorAgents.addAll(new Vector<>(Arrays.asList(aidList)));
} catch (ServiceException | IMTPException t) {
// NOTE that slices are always retrieved from the main and not from the cache --> No need to
// retry in case of failure
logger.warn("Error while trying to get Sensor-AID's from " + sliceName, t);
}
}
}
/**
* Broadcast the set of threshold levels to all container.
*
* @param slices the slices
* @param thresholdLevels the threshold levels
* @throws ServiceException the service exception
*/
private void broadcastThresholdLevels(Service.Slice[] slices, LoadThresholdLevels thresholdLevels)
throws ServiceException {
loadInfo.containerLoads.clear();
logger.debug("Try to set threshold level to all Containers !");
for (int i = 0; i < slices.length; i++) {
String sliceName = null;
try {
LoadServiceSlice slice = (LoadServiceSlice) slices[i];
sliceName = slice.getNode().getName();
logger.debug("Try to set threshold level to " + sliceName);
slice.setThresholdLevels(thresholdLevels);
} catch (ServiceException | IMTPException t) {
// NOTE that slices are always retrieved from the main and not from the cache --> No need to
// retry in case of failure
logger.warn("Error while try to set threshold level to slice " + sliceName, t);
}
}
}
/**
* 'Broadcast' (or receive) the list of all agents in a container. The information will be set to
* the local {@link #loadInfo}.
*
* @param slices the slices
* @throws ServiceException the service exception
*/
private void broadcastGetAIDList(Service.Slice[] slices) throws ServiceException {
loadInfo.resetAIDs4Container();
logger.debug("Try to get AID's from all Containers !");
for (int i = 0; i < slices.length; i++) {
String sliceName = null;
try {
LoadServiceSlice slice = (LoadServiceSlice) slices[i];
sliceName = slice.getNode().getName();
logger.debug("Try to get AID''s from " + sliceName);
AID[] aid = slice.getAIDList();
loadInfo.putAIDs4Container(sliceName, aid);
} catch (ServiceException | IMTPException t) {
// NOTE that slices are always retrieved from the main and not from the cache --> No need to
// retry in case of failure
logger.warn("Error while trying to get AID's from " + sliceName, t);
}
}
loadInfo.countAIDs4Container();
}
