Examples with FlowErrorResponse org.openkilda.floodlight.flow.response.FlowErrorResponse used on opensource projects

Example 16 with FlowErrorResponse

use of org.openkilda.floodlight.flow.response.FlowErrorResponse in project open-kilda by telstra.

the class OnErrorResponseAction method perform.

@Override
protected void perform(State from, State to, Event event, FlowDeleteContext context, FlowDeleteFsm stateMachine) {
    SpeakerFlowSegmentResponse response = context.getSpeakerFlowResponse();
    if (response.isSuccess() || !(response instanceof FlowErrorResponse)) {
        throw new IllegalArgumentException(format("Invoked %s for a success response: %s", this.getClass(), response));
    }
    UUID failedCommandId = response.getCommandId();
    FlowSegmentRequestFactory failedCommand = stateMachine.getRemoveCommands().get(failedCommandId);
    if (!stateMachine.getPendingCommands().contains(failedCommandId) || failedCommand == null) {
        log.info("Received a response for unexpected command: {}", response);
        return;
    }
    FlowErrorResponse errorResponse = (FlowErrorResponse) response;
    int attempt = stateMachine.doRetryForCommand(failedCommandId);
    if (attempt <= speakerCommandRetriesLimit) {
        stateMachine.saveErrorToHistory("Failed to remove rule", format("Failed to remove the rule: commandId %s, switch %s, cookie %s. Error %s. Retrying (attempt %d)", failedCommandId, errorResponse.getSwitchId(), response.getCookie(), errorResponse, attempt));
        stateMachine.getCarrier().sendSpeakerRequest(failedCommand.makeRemoveRequest(failedCommandId));
    } else {
        stateMachine.removePendingCommand(failedCommandId);
        stateMachine.saveErrorToHistory("Failed to remove rule", format("Failed to remove the rule: commandId %s, switch %s, cookie %s. Error %s", failedCommandId, errorResponse.getSwitchId(), response.getCookie(), errorResponse));
        stateMachine.addFailedCommand(failedCommandId, errorResponse);
        if (stateMachine.getPendingCommands().isEmpty()) {
            String errorMessage = format("Received error response(s) for %d remove commands", stateMachine.getFailedCommands().size());
            stateMachine.saveErrorToHistory(errorMessage);
            stateMachine.fire(Event.RULES_REMOVED);
        }
    }
}

Example 17 with FlowErrorResponse

use of org.openkilda.floodlight.flow.response.FlowErrorResponse in project open-kilda by telstra.

the class FlowRerouteService method handleAsyncResponse.

/**
 * Handles async response from worker.
 *
 * @param key command identifier.
 */
public void handleAsyncResponse(@NonNull String key, @NonNull SpeakerFlowSegmentResponse flowResponse) throws UnknownKeyException {
    log.debug("Received flow command response {}", flowResponse);
    FlowRerouteFsm fsm = fsmRegister.getFsmByKey(key).orElseThrow(() -> new UnknownKeyException(key));
    FlowRerouteContext context = FlowRerouteContext.builder().speakerFlowResponse(flowResponse).build();
    if (flowResponse instanceof FlowErrorResponse) {
        fsmExecutor.fire(fsm, Event.ERROR_RECEIVED, context);
    } else {
        fsmExecutor.fire(fsm, Event.RESPONSE_RECEIVED, context);
    }
    removeIfFinished(fsm, key);
}

Example 18 with FlowErrorResponse

use of org.openkilda.floodlight.flow.response.FlowErrorResponse in project open-kilda by telstra.

the class ValidateNonIngressRulesAction method perform.

@Override
protected void perform(State from, State to, Event event, FlowUpdateContext context, FlowUpdateFsm stateMachine) {
    SpeakerFlowSegmentResponse response = context.getSpeakerFlowResponse();
    UUID commandId = response.getCommandId();
    FlowSegmentRequestFactory command = stateMachine.getNonIngressCommands().get(commandId);
    if (!stateMachine.getPendingCommands().containsKey(commandId) || command == null) {
        log.info("Received a response for unexpected command: {}", response);
        return;
    }
    if (response.isSuccess()) {
        stateMachine.removePendingCommand(commandId);
        stateMachine.saveActionToHistory("Rule was validated", format("The non ingress rule has been validated successfully: switch %s, cookie %s", command.getSwitchId(), command.getCookie()));
    } else {
        FlowErrorResponse errorResponse = (FlowErrorResponse) response;
        int attempt = stateMachine.doRetryForCommand(commandId);
        if (attempt <= speakerCommandRetriesLimit && errorResponse.getErrorCode() != FlowErrorResponse.ErrorCode.MISSING_OF_FLOWS) {
            stateMachine.saveErrorToHistory(RULE_VALIDATION_FAILED_ACTION, format("Failed to validate non ingress rule: commandId %s, switch %s, cookie %s. Error %s. " + "Retrying (attempt %d)", commandId, errorResponse.getSwitchId(), command.getCookie(), errorResponse, attempt));
            stateMachine.getCarrier().sendSpeakerRequest(command.makeVerifyRequest(commandId));
        } else if (stateMachine.isDoNotRevert()) {
            stateMachine.removePendingCommand(commandId);
            stateMachine.saveErrorToHistory(RULE_VALIDATION_FAILED_ACTION, format("Failed to validate non ingress rule: commandId %s, switch %s, cookie %s. Error %s. " + "Skipping validation attempts", commandId, errorResponse.getSwitchId(), command.getCookie(), errorResponse));
            stateMachine.setNewFlowStatus(FlowStatus.DOWN);
            stateMachine.setErrorReason(RULE_VALIDATION_FAILED_ACTION);
        } else {
            stateMachine.removePendingCommand(commandId);
            stateMachine.saveErrorToHistory(RULE_VALIDATION_FAILED_ACTION, format("Failed to validate non ingress rule: commandId %s, switch %s, cookie %s. Error %s", commandId, errorResponse.getSwitchId(), command.getCookie(), errorResponse));
            stateMachine.getFailedValidationResponses().put(commandId, response);
        }
    }
    if (stateMachine.getPendingCommands().isEmpty()) {
        if (stateMachine.getFailedValidationResponses().isEmpty()) {
            log.debug("Non ingress rules have been validated for flow {}", stateMachine.getFlowId());
            stateMachine.fire(Event.RULES_VALIDATED);
        } else {
            stateMachine.saveErrorToHistory(format("Found missing rules or received error response(s) on %d validation commands", stateMachine.getFailedValidationResponses().size()));
            stateMachine.fire(Event.MISSING_RULE_FOUND);
        }
    }
}

Example 19 with FlowErrorResponse

use of org.openkilda.floodlight.flow.response.FlowErrorResponse in project open-kilda by telstra.

the class ValidateNonIngressRulesAction method perform.

@Override
protected void perform(State from, State to, Event event, FlowRerouteContext context, FlowRerouteFsm stateMachine) {
    SpeakerFlowSegmentResponse response = context.getSpeakerFlowResponse();
    UUID commandId = response.getCommandId();
    FlowSegmentRequestFactory command = stateMachine.getNonIngressCommands().get(commandId);
    if (!stateMachine.getPendingCommands().containsKey(commandId) || command == null) {
        log.info("Received a response for unexpected command: {}", response);
        return;
    }
    MeterRegistryHolder.getRegistry().ifPresent(registry -> {
        if (response.getRequestCreateTime() > 0) {
            long roundtrip = Duration.between(Instant.ofEpochMilli(response.getRequestCreateTime()), Instant.now()).toNanos();
            if (roundtrip > 0) {
                registry.timer("fsm.validate_command.roundtrip").record(roundtrip, TimeUnit.NANOSECONDS);
            }
        }
        if (response.getExecutionTime() > 0) {
            registry.timer("fsm.validate_command.floodlight_execution").record(response.getExecutionTime(), TimeUnit.NANOSECONDS);
        }
    });
    if (response.isSuccess()) {
        stateMachine.removePendingCommand(commandId);
        stateMachine.saveActionToHistory("Rule was validated", format("The non ingress rule has been validated successfully: switch %s, cookie %s", command.getSwitchId(), command.getCookie()));
    } else {
        FlowErrorResponse errorResponse = (FlowErrorResponse) response;
        int attempt = stateMachine.doRetryForCommand(commandId);
        if (attempt <= speakerCommandRetriesLimit && errorResponse.getErrorCode() != FlowErrorResponse.ErrorCode.MISSING_OF_FLOWS) {
            stateMachine.saveErrorToHistory("Rule validation failed", format("Failed to validate non ingress rule: commandId %s, switch %s, cookie %s. Error %s. " + "Retrying (attempt %d)", commandId, errorResponse.getSwitchId(), command.getCookie(), errorResponse, attempt));
            stateMachine.getCarrier().sendSpeakerRequest(command.makeVerifyRequest(commandId));
        } else {
            stateMachine.removePendingCommand(commandId);
            stateMachine.saveErrorToHistory("Rule validation failed", format("Failed to validate non ingress rule: commandId %s, switch %s, cookie %s. Error %s", commandId, errorResponse.getSwitchId(), command.getCookie(), errorResponse));
            stateMachine.getFailedValidationResponses().put(commandId, response);
        }
    }
    if (stateMachine.getPendingCommands().isEmpty()) {
        if (stateMachine.getFailedValidationResponses().isEmpty()) {
            log.debug("Non ingress rules have been validated for flow {}", stateMachine.getFlowId());
            stateMachine.fire(Event.RULES_VALIDATED);
        } else {
            stateMachine.saveErrorToHistory(format("Found missing rules or received error response(s) on %d validation commands", stateMachine.getFailedValidationResponses().size()));
            stateMachine.fire(Event.MISSING_RULE_FOUND);
        }
    }
}

Example 20 with FlowErrorResponse

use of org.openkilda.floodlight.flow.response.FlowErrorResponse in project open-kilda by telstra.

the class OnReceivedRemoveOrRevertResponseAction method perform.

@Override
protected void perform(State from, State to, Event event, FlowUpdateContext context, FlowUpdateFsm stateMachine) {
    SpeakerFlowSegmentResponse response = context.getSpeakerFlowResponse();
    UUID commandId = response.getCommandId();
    FlowSegmentRequestFactory removeCommand = stateMachine.getRemoveCommands().get(commandId);
    FlowSegmentRequestFactory installCommand = stateMachine.getInstallCommand(commandId);
    if (!stateMachine.getPendingCommands().containsKey(commandId) || (removeCommand == null && installCommand == null)) {
        log.info("Received a response for unexpected command: {}", response);
        return;
    }
    if (response.isSuccess()) {
        stateMachine.removePendingCommand(commandId);
        if (removeCommand != null) {
            stateMachine.saveActionToHistory("Rule was deleted", format("The rule was removed: switch %s, cookie %s", response.getSwitchId(), removeCommand.getCookie()));
        } else {
            stateMachine.saveActionToHistory("Rule was re-installed (reverted)", format("The rule was installed: switch %s, cookie %s", response.getSwitchId(), installCommand.getCookie()));
        }
    } else {
        FlowErrorResponse errorResponse = (FlowErrorResponse) response;
        int attempt = stateMachine.doRetryForCommand(commandId);
        if (attempt <= speakerCommandRetriesLimit) {
            if (removeCommand != null) {
                stateMachine.saveErrorToHistory("Failed to remove 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 {
                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 {
            stateMachine.removePendingCommand(commandId);
            if (removeCommand != null) {
                stateMachine.saveErrorToHistory("Failed to remove rule", format("Failed to remove the rule: commandId %s, switch %s, cookie %s. Error: %s", commandId, errorResponse.getSwitchId(), removeCommand.getCookie(), errorResponse));
            } else {
                stateMachine.saveErrorToHistory("Failed to re-install rule", format("Failed to install the rule: commandId %s, switch %s, cookie %s. Error: %s", commandId, errorResponse.getSwitchId(), installCommand.getCookie(), errorResponse));
            }
            stateMachine.addFailedCommand(commandId, errorResponse);
        }
    }
    if (stateMachine.getPendingCommands().isEmpty()) {
        if (stateMachine.getFailedCommands().isEmpty()) {
            log.debug("Received responses for all pending remove / re-install commands of the flow {}", stateMachine.getFlowId());
            stateMachine.fire(Event.RULES_REMOVED);
        } else {
            String errorMessage = format("Received error response(s) for %d remove / re-install commands", stateMachine.getFailedCommands().size());
            stateMachine.saveErrorToHistory(errorMessage);
            stateMachine.fireError(errorMessage);
        }
    }
}