use of org.openkilda.wfm.topology.flowhs.fsm.pathswap.FlowPathSwapContext in project open-kilda by telstra.
the class FlowPathSwapService method handleAsyncResponse.
/**
* Handles async response from worker.
*
* @param key command identifier.
*/
public void handleAsyncResponse(@NonNull String key, @NonNull SpeakerResponse speakerResponse) {
log.debug("Received flow command response {}", speakerResponse);
FlowPathSwapFsm fsm = fsmRegister.getFsmByKey(key).orElse(null);
if (fsm == null) {
log.warn("Failed to find a FSM: received response with key {} for non pending FSM", key);
return;
}
FlowPathSwapContext context = FlowPathSwapContext.builder().speakerResponse(speakerResponse).build();
fsmExecutor.fire(fsm, Event.RESPONSE_RECEIVED, context);
removeIfFinished(fsm, key);
}
use of org.openkilda.wfm.topology.flowhs.fsm.pathswap.FlowPathSwapContext in project open-kilda by telstra.
the class FlowPathSwapService method handleRequest.
/**
* Handles request for flow update.
*
* @param key command identifier.
* @param request request data.
*/
public void handleRequest(@NonNull String key, @NonNull CommandContext commandContext, @NonNull FlowPathSwapRequest request) {
String flowId = request.getFlowId();
if (request.isManual() && yFlowRepository.isSubFlow(flowId)) {
sendForbiddenSubFlowOperationToNorthbound(flowId, commandContext);
return;
}
log.debug("Handling flow path swap request with key {} and flow ID: {}", key, flowId);
if (fsmRegister.hasRegisteredFsmWithKey(key)) {
log.error("Attempt to create a FSM with key {}, while there's another active FSM with the same key.", key);
return;
}
if (fsmRegister.hasRegisteredFsmWithFlowId(flowId)) {
sendErrorResponseToNorthbound(ErrorType.REQUEST_INVALID, "Could not update flow", format("Flow %s is updating now", flowId), commandContext);
log.error("Attempt to create a FSM with key {}, while there's another active FSM for the same flowId {}.", key, flowId);
return;
}
FlowPathSwapFsm fsm = fsmFactory.newInstance(commandContext, flowId);
fsmRegister.registerFsm(key, fsm);
FlowPathSwapContext context = FlowPathSwapContext.builder().build();
fsmExecutor.fire(fsm, Event.NEXT, context);
removeIfFinished(fsm, key);
}
use of org.openkilda.wfm.topology.flowhs.fsm.pathswap.FlowPathSwapContext in project open-kilda by telstra.
the class OnReceivedRemoveOrRevertResponseAction method perform.
@Override
protected void perform(State from, State to, Event event, FlowPathSwapContext context, FlowPathSwapFsm stateMachine) {
SpeakerResponse response = context.getSpeakerResponse();
UUID commandId = response.getCommandId();
if (!stateMachine.hasPendingCommand(commandId)) {
log.info("Received a response for unexpected command: {}", response);
return;
}
boolean isInstallCommand = stateMachine.getInstallCommand(commandId) != null || stateMachine.getInstallSpeakerCommand(commandId).isPresent();
if (response.isSuccess()) {
stateMachine.removePendingCommand(commandId);
String commandName = isInstallCommand ? "re-installed (reverted)" : "deleted";
if (response instanceof SpeakerFlowSegmentResponse) {
stateMachine.saveActionToHistory("Rule was " + commandName, format("The rule was %s: switch %s, cookie %s", commandName, response.getSwitchId(), ((SpeakerFlowSegmentResponse) response).getCookie()));
} else {
stateMachine.saveActionToHistory("Rule was " + commandName, format("The rule was %s: switch %s", commandName, response.getSwitchId()));
}
} else {
int attempt = stateMachine.doRetryForCommand(commandId);
if (attempt <= speakerCommandRetriesLimit) {
if (response instanceof FlowErrorResponse) {
FlowErrorResponse errorResponse = (FlowErrorResponse) response;
if (isInstallCommand) {
FlowSegmentRequestFactory installCommand = stateMachine.getInstallCommand(commandId);
stateMachine.saveErrorToHistory("Failed to re-install (revert) rule", format("Failed to install the rule: commandId %s, switch %s, cookie %s. Error %s. " + "Retrying (attempt %d)", commandId, errorResponse.getSwitchId(), installCommand.getCookie(), errorResponse, attempt));
stateMachine.getCarrier().sendSpeakerRequest(installCommand.makeInstallRequest(commandId));
} else {
FlowSegmentRequestFactory removeCommand = stateMachine.getRemoveCommand(commandId);
stateMachine.saveErrorToHistory("Failed to delete rule", format("Failed to remove the rule: commandId %s, switch %s, cookie %s. Error %s. " + "Retrying (attempt %d)", commandId, errorResponse.getSwitchId(), removeCommand.getCookie(), errorResponse, attempt));
stateMachine.getCarrier().sendSpeakerRequest(removeCommand.makeRemoveRequest(commandId));
}
} else if (response instanceof SpeakerCommandResponse) {
String commandName = isInstallCommand ? "re-install (revert)" : "delete";
SpeakerCommandResponse speakerCommandResponse = (SpeakerCommandResponse) response;
speakerCommandResponse.getFailedCommandIds().forEach((uuid, message) -> stateMachine.saveErrorToHistory("Failed to " + commandName + " rule", format("Failed to %s the rule: commandId %s, ruleId %s, switch %s. " + "Error %s. Retrying (attempt %d)", commandName, commandId, uuid, response.getSwitchId(), message, attempt)));
Set<UUID> failedUuids = speakerCommandResponse.getFailedCommandIds().keySet();
stateMachine.getInstallSpeakerCommand(commandId).ifPresent(command -> stateMachine.getCarrier().sendSpeakerRequest(command.toBuilder().commands(filterOfCommands(command.getCommands(), failedUuids)).build()));
stateMachine.getDeleteSpeakerCommand(commandId).ifPresent(command -> stateMachine.getCarrier().sendSpeakerRequest(command.toBuilder().commands(filterOfCommands(command.getCommands(), failedUuids)).build()));
} else {
log.warn("Received a unknown response: {}", response);
return;
}
} else {
stateMachine.addFailedCommand(commandId, response);
stateMachine.removePendingCommand(commandId);
String commandName = isInstallCommand ? "re-install (revert)" : "delete";
if (response instanceof FlowErrorResponse) {
stateMachine.saveErrorToHistory("Failed to " + commandName + " rule", format("Failed to %s the rule: commandId %s, switch %s, cookie %s. Error %s.", commandName, commandId, response.getSwitchId(), ((FlowErrorResponse) response).getCookie(), response));
} else if (response instanceof SpeakerCommandResponse) {
((SpeakerCommandResponse) response).getFailedCommandIds().forEach((uuid, message) -> stateMachine.saveErrorToHistory("Failed to " + commandName + " rule", format("Failed to %s the rule: commandId %s, ruleId %s, switch %s. Error %s.", commandName, commandId, uuid, response.getSwitchId(), message)));
} else {
log.warn("Received a unknown response: {}", response);
return;
}
}
}
if (stateMachine.getPendingCommands().isEmpty()) {
if (stateMachine.getFailedCommands().isEmpty()) {
log.debug("Received responses for all pending install / delete commands of the flow {}", stateMachine.getFlowId());
stateMachine.fire(Event.RULES_REMOVED);
} else {
String errorMessage = format("Received error response(s) for %d install / delete commands", stateMachine.getFailedCommands().size());
stateMachine.saveErrorToHistory(errorMessage);
stateMachine.fireError(errorMessage);
}
}
}
use of org.openkilda.wfm.topology.flowhs.fsm.pathswap.FlowPathSwapContext in project open-kilda by telstra.
the class OnReceivedInstallResponseAction method perform.
@Override
protected void perform(State from, State to, Event event, FlowPathSwapContext context, FlowPathSwapFsm stateMachine) {
SpeakerResponse response = context.getSpeakerResponse();
UUID commandId = response.getCommandId();
if (!stateMachine.hasPendingCommand(commandId)) {
log.info("Received a response for unexpected command: {}", response);
return;
}
boolean isInstallCommand = stateMachine.getInstallCommand(commandId) != null || stateMachine.getInstallSpeakerCommand(commandId).isPresent();
if (response.isSuccess()) {
stateMachine.removePendingCommand(commandId);
String commandName = isInstallCommand ? "installed" : "deleted";
if (response instanceof SpeakerFlowSegmentResponse) {
stateMachine.saveActionToHistory("Rule was " + commandName, format("The rule was %s: switch %s, cookie %s", commandName, response.getSwitchId(), ((SpeakerFlowSegmentResponse) response).getCookie()));
} else {
stateMachine.saveActionToHistory("Rule was " + commandName, format("The rule was %s: switch %s", commandName, response.getSwitchId()));
}
} else {
int attempt = stateMachine.doRetryForCommand(commandId);
if (attempt <= speakerCommandRetriesLimit) {
FlowSegmentRequestFactory flowSegmentRequest = stateMachine.getInstallCommand(commandId);
if (flowSegmentRequest != null && response instanceof FlowErrorResponse) {
FlowErrorResponse errorResponse = (FlowErrorResponse) response;
stateMachine.saveErrorToHistory("Failed to install rule", format("Failed to install the rule: commandId %s, switch %s, cookie %s. Error %s. " + "Retrying (attempt %d)", commandId, errorResponse.getSwitchId(), flowSegmentRequest.getCookie(), errorResponse, attempt));
stateMachine.getCarrier().sendSpeakerRequest(flowSegmentRequest.makeInstallRequest(commandId));
} else if (response instanceof SpeakerCommandResponse) {
String commandName = isInstallCommand ? "install" : "delete";
SpeakerCommandResponse speakerCommandResponse = (SpeakerCommandResponse) response;
speakerCommandResponse.getFailedCommandIds().forEach((uuid, message) -> stateMachine.saveErrorToHistory("Failed to " + commandName + " rule", format("Failed to %s the rule: commandId %s, ruleId %s, switch %s. " + "Error %s. Retrying (attempt %d)", commandName, commandId, uuid, response.getSwitchId(), message, attempt)));
Set<UUID> failedUuids = speakerCommandResponse.getFailedCommandIds().keySet();
stateMachine.getInstallSpeakerCommand(commandId).ifPresent(command -> stateMachine.getCarrier().sendSpeakerRequest(command.toBuilder().commands(filterOfCommands(command.getCommands(), failedUuids)).build()));
stateMachine.getDeleteSpeakerCommand(commandId).ifPresent(command -> stateMachine.getCarrier().sendSpeakerRequest(command.toBuilder().commands(filterOfCommands(command.getCommands(), failedUuids)).build()));
} else {
log.warn("Received a unknown response: {}", response);
return;
}
} else {
stateMachine.addFailedCommand(commandId, response);
stateMachine.removePendingCommand(commandId);
String commandName = isInstallCommand ? "install" : "delete";
if (response instanceof FlowErrorResponse) {
stateMachine.saveErrorToHistory("Failed to " + commandName + " rule", format("Failed to %s the rule: commandId %s, switch %s, cookie %s. Error %s.", commandName, commandId, response.getSwitchId(), ((FlowErrorResponse) response).getCookie(), response));
} else if (response instanceof SpeakerCommandResponse) {
((SpeakerCommandResponse) response).getFailedCommandIds().forEach((uuid, message) -> stateMachine.saveErrorToHistory("Failed to " + commandName + " rule", format("Failed to %s the rule: commandId %s, ruleId %s, switch %s. Error %s.", commandName, commandId, uuid, response.getSwitchId(), message)));
} else {
log.warn("Received a unknown response: {}", response);
return;
}
}
}
if (stateMachine.getPendingCommands().isEmpty()) {
if (stateMachine.getFailedCommands().isEmpty()) {
log.debug("Received responses for all pending install / delete commands of the flow {}", stateMachine.getFlowId());
stateMachine.fire(Event.RULES_INSTALLED);
} else {
String errorMessage = format("Received error response(s) for %d install / delete commands", stateMachine.getFailedCommands().size());
stateMachine.saveErrorToHistory(errorMessage);
stateMachine.fireError(errorMessage);
}
}
}
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