diff options
| author |   mmis <michael.morris@ericsson.com> | 2018-03-21 15:22:10 +0000 |
|---|---|---|
| committer | mmis <michael.morris@ericsson.com> | 2018-03-22 13:58:39 +0000 |
| commit | af861a9d8e28d49d357ead4a4acad82554510b6f (patch) | |
| tree | 8f21c330990242ed4a2b40b13bae811a9affc7fb /controlloop/common/eventmanager/src/main/java | |
| parent | 512a8f5b4dc9afaf382dd76531dcbc0667551c58 (diff) | |
Removed checkstyle warnings
Removed checkstyle warnings in:
policy/drools-applications/controlloop/common/actors
policy/drools-applications/controlloop/common/eventmanager
policy/drools-applications/controlloop/common/feature-controlloop-utils
Issue-ID: POLICY-705
Change-Id: Iccf99b291bc62bc3ba2082ccdb4c1f9e12107896
Signed-off-by: mmis <michael.morris@ericsson.com>
Diffstat (limited to 'controlloop/common/eventmanager/src/main/java')
12 files changed, 1959 insertions, 1716 deletions
diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopException.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopException.java index 3f19fdcaf..e6ccc18af 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopException.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopException.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * controlloop * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -21,26 +21,26 @@ package org.onap.policy.controlloop; public class ControlLoopException extends Exception { - private static final long serialVersionUID = 6400725747325923701L; + private static final long serialVersionUID = 6400725747325923701L; - public ControlLoopException() { - super(); - } + public ControlLoopException() { + super(); + } - public ControlLoopException(String message, Throwable cause, boolean enableSuppression, - boolean writableStackTrace) { - super(message, cause, enableSuppression, writableStackTrace); - } + public ControlLoopException(String message, Throwable cause, boolean enableSuppression, + boolean writableStackTrace) { + super(message, cause, enableSuppression, writableStackTrace); + } - public ControlLoopException(String message, Throwable cause) { - super(message, cause); - } + public ControlLoopException(String message, Throwable cause) { + super(message, cause); + } - public ControlLoopException(String message) { - super(message); - } + public ControlLoopException(String message) { + super(message); + } - public ControlLoopException(Throwable cause) { - super(cause); - } + public ControlLoopException(Throwable cause) { + super(cause); + } } diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopLogger.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopLogger.java index 437920cfb..4bf500704 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopLogger.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopLogger.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * controlloop * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -26,24 +26,31 @@ import org.slf4j.Logger; import org.slf4j.LoggerFactory; public interface ControlLoopLogger { - - public void info(String... parameters); - - public void metrics(String... msgs); - - public void metrics(Object obj); - - public static class Factory { - private static final Logger logger = LoggerFactory.getLogger(Factory.class); - - public ControlLoopLogger buildLogger(String className) throws ControlLoopException { - try { - Constructor<?> constr = Class.forName(className).getConstructor(); - return (ControlLoopLogger) constr.newInstance(); - } catch (Exception e) { - logger.error("buildLogger threw: ", e); - throw new ControlLoopException("Cannot load class " + className + " as a control loop logger"); - } - } - } + + public void info(String... parameters); + + public void metrics(String... msgs); + + public void metrics(Object obj); + + public static class Factory { + private static final Logger logger = LoggerFactory.getLogger(Factory.class); + + /** + * Construct an instance. + * + * @param className name of the class + * @return the instance + * @throws ControlLoopException if an error occurs + */ + public ControlLoopLogger buildLogger(String className) throws ControlLoopException { + try { + Constructor<?> constr = Class.forName(className).getConstructor(); + return (ControlLoopLogger) constr.newInstance(); + } catch (Exception e) { + logger.error("buildLogger threw: ", e); + throw new ControlLoopException("Cannot load class " + className + " as a control loop logger"); + } + } + } } diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopPublisher.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopPublisher.java index 3d31c413b..2b1fbefc7 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopPublisher.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/ControlLoopPublisher.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * controlloop * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -26,21 +26,27 @@ import org.slf4j.Logger; import org.slf4j.LoggerFactory; public interface ControlLoopPublisher { - - public void publish(Object object); - - public static class Factory { - private static final Logger logger = LoggerFactory.getLogger(Factory.class); - - - public ControlLoopPublisher buildLogger(String className) throws ControlLoopException { - try { - Constructor<?> constr = Class.forName(className).getConstructor(); - return (ControlLoopPublisher) constr.newInstance(); - } catch (Exception e) { - logger.error("ControlLoopPublisher.buildLogger threw: ", e); - throw new ControlLoopException("Cannot load class " + className + " as a control loop publisher"); - } - } - } + + public void publish(Object object); + + public static class Factory { + private static final Logger logger = LoggerFactory.getLogger(Factory.class); + + /** + * Construct an instance. + * + * @param className name of the class + * @return the instance + * @throws ControlLoopException if an error occurs + */ + public ControlLoopPublisher buildLogger(String className) throws ControlLoopException { + try { + Constructor<?> constr = Class.forName(className).getConstructor(); + return (ControlLoopPublisher) constr.newInstance(); + } catch (Exception e) { + logger.error("ControlLoopPublisher.buildLogger threw: ", e); + throw new ControlLoopException("Cannot load class " + className + " as a control loop publisher"); + } + } + } } diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManager.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManager.java index 1d1451461..224e33559 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManager.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManager.java @@ -41,682 +41,779 @@ import org.onap.policy.controlloop.VirtualControlLoopNotification; import org.onap.policy.controlloop.policy.FinalResult; import org.onap.policy.controlloop.policy.Policy; import org.onap.policy.controlloop.processor.ControlLoopProcessor; +import org.onap.policy.drools.system.PolicyEngine; import org.onap.policy.guard.GuardResult; import org.onap.policy.guard.LockCallback; import org.onap.policy.guard.PolicyGuard; import org.onap.policy.guard.PolicyGuard.LockResult; import org.onap.policy.guard.TargetLock; import org.onap.policy.rest.RESTManager; -import org.onap.policy.drools.system.PolicyEngine; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class ControlLoopEventManager implements LockCallback, Serializable { - private static final String VM_NAME = "VM_NAME"; - private static final String VNF_NAME = "VNF_NAME"; - private static final String GENERIC_VNF_VNF_ID = "generic-vnf.vnf-id"; - private static final String GENERIC_VNF_VNF_NAME = "generic-vnf.vnf-name"; - private static final String VSERVER_VSERVER_NAME = "vserver.vserver-name"; - private static final String GENERIC_VNF_IS_CLOSED_LOOP_DISABLED = "generic-vnf.is-closed-loop-disabled"; - private static final String VSERVER_IS_CLOSED_LOOP_DISABLED = "vserver.is-closed-loop-disabled"; - - private static final Logger logger = LoggerFactory.getLogger(ControlLoopEventManager.class); - - private static final long serialVersionUID = -1216568161322872641L; - public final String closedLoopControlName; - public final UUID requestID; - - private String controlLoopResult; - private transient ControlLoopProcessor processor = null; - private VirtualControlLoopEvent onset; - private Integer numOnsets = 0; - private Integer numAbatements = 0; - private VirtualControlLoopEvent abatement; - private FinalResult controlLoopTimedOut = null; - - private boolean isActivated = false; - private LinkedList<ControlLoopOperation> controlLoopHistory = new LinkedList<>(); - private ControlLoopOperationManager currentOperation = null; - private transient TargetLock targetLock = null; - private AAIGETVnfResponse vnfResponse = null; - private AAIGETVserverResponse vserverResponse = null; - private static String aaiHostURL; - private static String aaiUser; - private static String aaiPassword; - - private static Collection<String> requiredAAIKeys = new ArrayList<>(); - static { - requiredAAIKeys.add("AICVServerSelfLink"); - requiredAAIKeys.add("AICIdentity"); - requiredAAIKeys.add("is_closed_loop_disabled"); - requiredAAIKeys.add(VM_NAME); - } - - public ControlLoopEventManager(String closedLoopControlName, UUID requestID) { - this.closedLoopControlName = closedLoopControlName; - this.requestID = requestID; - } - - public String getControlLoopResult() { - return controlLoopResult; - } - - public void setControlLoopResult(String controlLoopResult) { - this.controlLoopResult = controlLoopResult; - } - - public Integer getNumOnsets() { - return numOnsets; - } - - public void setNumOnsets(Integer numOnsets) { - this.numOnsets = numOnsets; - } - - public Integer getNumAbatements() { - return numAbatements; - } - - public void setNumAbatements(Integer numAbatements) { - this.numAbatements = numAbatements; - } - - public boolean isActivated() { - return isActivated; - } - - public void setActivated(boolean isActivated) { - this.isActivated = isActivated; - } - - public VirtualControlLoopEvent getOnsetEvent() { - return this.onset; - } - - public VirtualControlLoopEvent getAbatementEvent() { - return this.abatement; - } - - public ControlLoopProcessor getProcessor() { - return this.processor; - } - - public VirtualControlLoopNotification activate(VirtualControlLoopEvent event) { - VirtualControlLoopNotification notification = new VirtualControlLoopNotification(event); - try { - // - // This method should ONLY be called ONCE - // - if (this.isActivated) { - throw new ControlLoopException("ControlLoopEventManager has already been activated."); - } - // - // Syntax check the event - // - checkEventSyntax(event); - - // - // At this point we are good to go with this event - // - this.onset = event; - this.numOnsets = 1; - // - notification.setNotification(ControlLoopNotificationType.ACTIVE); - // - // Set ourselves as active - // - this.isActivated = true; - } catch (ControlLoopException e) { - logger.error("{}: activate by event threw: ", this, e); - notification.setNotification(ControlLoopNotificationType.REJECTED); - notification.setMessage(e.getMessage()); - } - return notification; - } - - public VirtualControlLoopNotification activate(String yamlSpecification, VirtualControlLoopEvent event) { - VirtualControlLoopNotification notification = new VirtualControlLoopNotification(event); - try { - // - // This method should ONLY be called ONCE - // - if (this.isActivated) { - throw new ControlLoopException("ControlLoopEventManager has already been activated."); - } - // - // Syntax check the event - // - checkEventSyntax(event); - - // - // Check the YAML - // - if (yamlSpecification == null || yamlSpecification.length() < 1) { - throw new ControlLoopException("yaml specification is null or 0 length"); - } - } catch (ControlLoopException e) { - logger.error("{}: activate by YAML specification and event threw: ",this, e); - notification.setNotification(ControlLoopNotificationType.REJECTED); - notification.setMessage(e.getMessage()); - return notification; - } - - String decodedYaml = null; - try { - decodedYaml = URLDecoder.decode(yamlSpecification, "UTF-8"); - if (decodedYaml != null && decodedYaml.length() > 0) { - yamlSpecification = decodedYaml; - } - } catch (UnsupportedEncodingException e) { - logger.error("{}: YAML decode in activate by YAML specification and event threw: ", this, e); - notification.setNotification(ControlLoopNotificationType.REJECTED); - notification.setMessage(e.getMessage()); - return notification; - } - - try { - // - // Parse the YAML specification - // - this.processor = new ControlLoopProcessor(yamlSpecification); - - // - // At this point we are good to go with this event - // - this.onset = event; - this.numOnsets = 1; - // - // - // - notification.setNotification(ControlLoopNotificationType.ACTIVE); - // - // Set ourselves as active - // - this.isActivated = true; - } catch (ControlLoopException e) { - logger.error("{}: activate by YAML specification and event threw: ",this, e); - notification.setNotification(ControlLoopNotificationType.REJECTED); - notification.setMessage(e.getMessage()); - } - return notification; - } - - public VirtualControlLoopNotification isControlLoopFinal() throws ControlLoopException { - // - // Check if they activated us - // - if (!this.isActivated) { - throw new ControlLoopException("ControlLoopEventManager MUST be activated first."); - } - // - // Make sure we are expecting this call. - // - if (this.onset == null) { - throw new ControlLoopException("No onset event for ControlLoopEventManager."); - } - // - // Ok, start creating the notification - // - VirtualControlLoopNotification notification = new VirtualControlLoopNotification(this.onset); - // - // Check if the overall control loop has timed out - // - if (this.isControlLoopTimedOut()) { - // - // Yes we have timed out - // - notification.setNotification(ControlLoopNotificationType.FINAL_FAILURE); - notification.setMessage("Control Loop timed out"); - notification.getHistory().addAll(this.controlLoopHistory); - return notification; - } - // - // Check if the current policy is Final - // - FinalResult result = this.processor.checkIsCurrentPolicyFinal(); - if (result == null) { - // - // we are not at a final result - // - return null; - } - - switch (result) { - case FINAL_FAILURE_EXCEPTION: - notification.setNotification(ControlLoopNotificationType.FINAL_FAILURE); - notification.setMessage("Exception in processing closed loop"); - break; - case FINAL_FAILURE: - case FINAL_FAILURE_RETRIES: - case FINAL_FAILURE_TIMEOUT: - case FINAL_FAILURE_GUARD: - notification.setNotification(ControlLoopNotificationType.FINAL_FAILURE); - break; - case FINAL_OPENLOOP: - notification.setNotification(ControlLoopNotificationType.FINAL_OPENLOOP); - break; - case FINAL_SUCCESS: - notification.setNotification(ControlLoopNotificationType.FINAL_SUCCESS); - break; - default: - return null; - } - // - // Be sure to add all the history - // - notification.getHistory().addAll(this.controlLoopHistory); - return notification; - } - - public ControlLoopOperationManager processControlLoop() throws ControlLoopException, AAIException { - // - // Check if they activated us - // - if (!this.isActivated) { - throw new ControlLoopException("ControlLoopEventManager MUST be activated first."); - } - // - // Make sure we are expecting this call. - // - if (this.onset == null) { - throw new ControlLoopException("No onset event for ControlLoopEventManager."); - } - // - // Is there a current operation? - // - if (this.currentOperation != null) { - // - // Throw an exception, or simply return the current operation? - // - throw new ControlLoopException("Already working an Operation, do not call this method."); - } - // - // Ensure we are not FINAL - // - VirtualControlLoopNotification notification = this.isControlLoopFinal(); - if (notification != null) { - // - // This is weird, we require them to call the isControlLoopFinal() method first - // - // We should really abstract this and avoid throwing an exception, because it really - // isn't an exception. - // - throw new ControlLoopException("Control Loop is in FINAL state, do not call this method."); - } - // - // Not final so get the policy that needs to be worked on. - // - Policy policy = this.processor.getCurrentPolicy(); - if (policy == null) { - throw new ControlLoopException("ControlLoopEventManager: processor came upon null Policy."); - } - // - // And setup an operation - // - this.currentOperation = new ControlLoopOperationManager(this.onset, policy, this); - // - // Return it - // - return this.currentOperation; - } - - public void finishOperation(ControlLoopOperationManager operation) throws ControlLoopException { - // - // Verify we have a current operation - // - if (this.currentOperation != null) { - // - // Validate they are finishing the current operation - // PLD - this is simply comparing the policy. Do we want to equals the whole object? - // - if (this.currentOperation.policy.equals(operation.policy)) { - logger.debug("Finishing {} result is {}", this.currentOperation.policy.getRecipe(), this.currentOperation.getOperationResult()); - // - // Save history - // - this.controlLoopHistory.addAll(this.currentOperation.getHistory()); - // - // Move to the next Policy - // - this.processor.nextPolicyForResult(this.currentOperation.getOperationResult()); - // - // Just null this out - // - this.currentOperation = null; - // - // TODO: Release our lock - // - return; - } - logger.debug("Cannot finish current operation {} does not match given operation {}", this.currentOperation.policy, operation.policy); - return; - } - throw new ControlLoopException("No operation to finish."); - } - - public synchronized LockResult<GuardResult, TargetLock> lockCurrentOperation() throws ControlLoopException { - // - // Sanity check - // - if (this.currentOperation == null) { - throw new ControlLoopException("Do not have a current operation."); - } - // - // Have we acquired it already? - // - if (this.targetLock != null) { - // - // TODO: Make sure the current lock is for the same target. - // Currently, it should be. But in the future it may not. - // - return new LockResult<>(GuardResult.LOCK_ACQUIRED, this.targetLock); - } else { - // - // Ask the Guard - // - LockResult<GuardResult, TargetLock> lockResult = PolicyGuard.lockTarget( - this.currentOperation.policy.getTarget().getType(), - this.currentOperation.getTargetEntity(), - this.onset.getRequestID(), - this); - // - // Was it acquired? - // - if (lockResult.getA().equals(GuardResult.LOCK_ACQUIRED)) { - // - // Yes, let's save it - // - this.targetLock = lockResult.getB(); - } - return lockResult; - } - } - - public synchronized TargetLock unlockCurrentOperation() { - if (this.targetLock == null) { - return null; - } - if (PolicyGuard.unlockTarget(this.targetLock)) { - TargetLock returnLock = this.targetLock; - this.targetLock = null; - return returnLock; - } - return null; - } - - public enum NEW_EVENT_STATUS { - FIRST_ONSET, - SUBSEQUENT_ONSET, - FIRST_ABATEMENT, - SUBSEQUENT_ABATEMENT, - SYNTAX_ERROR - ; - } - - public NEW_EVENT_STATUS onNewEvent(VirtualControlLoopEvent event) throws AAIException { - try { - this.checkEventSyntax(event); - if (event.getClosedLoopEventStatus() == ControlLoopEventStatus.ONSET) { - // - // Check if this is our original ONSET - // - if (event.equals(this.onset)) { - // - // Query A&AI if needed - // - queryAai(event); - - // - // DO NOT retract it - // - return NEW_EVENT_STATUS.FIRST_ONSET; - } - // - // Log that we got an onset - // - this.numOnsets++; - return NEW_EVENT_STATUS.SUBSEQUENT_ONSET; - } - else if (event.getClosedLoopEventStatus() == ControlLoopEventStatus.ABATED) { - // - // Have we already got an abatement? - // - if (this.abatement == null) { - // - // Save this - // - this.abatement = event; - // - // Keep track that we received another - // - this.numAbatements++; - // - // - // - return NEW_EVENT_STATUS.FIRST_ABATEMENT; - } - else { - // - // Keep track that we received another - // - this.numAbatements++; - // - // - // - return NEW_EVENT_STATUS.SUBSEQUENT_ABATEMENT; - } - } - } - catch (ControlLoopException e) { - logger.error("{}: onNewEvent threw: ",this, e); - } - return NEW_EVENT_STATUS.SYNTAX_ERROR; - } - - public VirtualControlLoopNotification setControlLoopTimedOut() { - this.controlLoopTimedOut = FinalResult.FINAL_FAILURE_TIMEOUT; - VirtualControlLoopNotification notification = new VirtualControlLoopNotification(this.onset); - notification.setNotification(ControlLoopNotificationType.FINAL_FAILURE); - notification.setMessage("Control Loop timed out"); - notification.getHistory().addAll(this.controlLoopHistory); - return notification; - } - - public boolean isControlLoopTimedOut() { - return (this.controlLoopTimedOut == FinalResult.FINAL_FAILURE_TIMEOUT); - } - - public int getControlLoopTimeout(Integer defaultTimeout) { - if (this.processor != null && this.processor.getControlLoop() != null) { - return this.processor.getControlLoop().getTimeout(); - } - if (defaultTimeout != null) { - return defaultTimeout; - } - return 0; - } - - public AAIGETVnfResponse getVnfResponse() { - return vnfResponse; - } - - public AAIGETVserverResponse getVserverResponse() { - return vserverResponse; - } - - public void checkEventSyntax(VirtualControlLoopEvent event) throws ControlLoopException { - if (event.getClosedLoopEventStatus() == null || - (event.getClosedLoopEventStatus() != ControlLoopEventStatus.ONSET && - event.getClosedLoopEventStatus() != ControlLoopEventStatus.ABATED)) { - throw new ControlLoopException("Invalid value in closedLoopEventStatus"); - } - if (event.getClosedLoopControlName() == null || event.getClosedLoopControlName().length() < 1) { - throw new ControlLoopException("No control loop name"); - } - if (event.getRequestID() == null) { - throw new ControlLoopException("No request ID"); - } - if (event.getClosedLoopEventStatus() == ControlLoopEventStatus.ABATED) { - return; - } - if (event.getTarget() == null || event.getTarget().length() < 1) { - throw new ControlLoopException("No target field"); - } else if (! VM_NAME.equalsIgnoreCase(event.getTarget()) && - ! VNF_NAME.equalsIgnoreCase(event.getTarget()) && - ! VSERVER_VSERVER_NAME.equalsIgnoreCase(event.getTarget()) && - ! GENERIC_VNF_VNF_ID.equalsIgnoreCase(event.getTarget()) && - ! GENERIC_VNF_VNF_NAME.equalsIgnoreCase(event.getTarget()) ) { - throw new ControlLoopException("target field invalid - expecting VM_NAME or VNF_NAME"); - } - if (event.getAAI() == null) { - throw new ControlLoopException("AAI is null"); - } - if (event.getAAI().get(GENERIC_VNF_VNF_ID) == null && event.getAAI().get(VSERVER_VSERVER_NAME) == null && - event.getAAI().get(GENERIC_VNF_VNF_NAME) == null) { - throw new ControlLoopException("generic-vnf.vnf-id or generic-vnf.vnf-name or vserver.vserver-name information missing"); - } - } - - public void queryAai(VirtualControlLoopEvent event) throws AAIException { - if ((event.getAAI().get(VSERVER_IS_CLOSED_LOOP_DISABLED) != null || event.getAAI().get(GENERIC_VNF_IS_CLOSED_LOOP_DISABLED) != null) && isClosedLoopDisabled(event)) { - throw new AAIException("is-closed-loop-disabled is set to true on VServer or VNF"); - } - - try { - if (event.getAAI().get(GENERIC_VNF_VNF_ID) != null || event.getAAI().get(GENERIC_VNF_VNF_NAME) != null) { - vnfResponse = getAAIVnfInfo(event); - processVNFResponse(vnfResponse, event.getAAI().get(GENERIC_VNF_VNF_ID) != null); - } - else if (event.getAAI().get(VSERVER_VSERVER_NAME) != null) { - vserverResponse = getAAIVserverInfo(event); - processVServerResponse(vserverResponse); - } - } catch (Exception e) { - logger.error("Exception from queryAai: ", e); - throw new AAIException("Exception from queryAai: " + e.toString()); - } - } - - private static void processVNFResponse(AAIGETVnfResponse aaiResponse, boolean queryByVNFID) throws AAIException { - String queryTypeString = (queryByVNFID ? "vnf-id" : "vnf-name"); - - if (aaiResponse == null) { - throw new AAIException("AAI Response is null (query by " + queryTypeString + ")"); - } - if (aaiResponse.getRequestError() != null) { - throw new AAIException("AAI Responded with a request error (query by " + queryTypeString + ")"); - } - - if (aaiResponse.getIsClosedLoopDisabled() != null) { - String value = aaiResponse.getIsClosedLoopDisabled(); - if ("true".equalsIgnoreCase(value) || "T".equalsIgnoreCase(value) || - "yes".equalsIgnoreCase(value) || "Y".equalsIgnoreCase(value)) { - throw new AAIException("is-closed-loop-disabled is set to true (query by " + queryTypeString + ")"); - } - } - } - - private static void processVServerResponse(AAIGETVserverResponse aaiResponse) throws AAIException { - if (aaiResponse == null) { - throw new AAIException("AAI Response is null (query by vserver-name)"); - } - if (aaiResponse.getRequestError() != null) { - throw new AAIException("AAI responded with a request error (query by vserver-name)"); - } - - if (aaiResponse.getIsClosedLoopDisabled() != null) { - String value = aaiResponse.getIsClosedLoopDisabled(); - if ("true".equalsIgnoreCase(value) || "T".equalsIgnoreCase(value) || - "yes".equalsIgnoreCase(value) || "Y".equalsIgnoreCase(value)) { - throw new AAIException("is-closed-loop-disabled is set to true (query by vserver-name)"); - } - } - } - - public static boolean isClosedLoopDisabled(VirtualControlLoopEvent event) { - if ("true".equalsIgnoreCase(event.getAAI().get(VSERVER_IS_CLOSED_LOOP_DISABLED)) || - "T".equalsIgnoreCase(event.getAAI().get(VSERVER_IS_CLOSED_LOOP_DISABLED)) || - "yes".equalsIgnoreCase(event.getAAI().get(VSERVER_IS_CLOSED_LOOP_DISABLED)) || - "Y".equalsIgnoreCase(event.getAAI().get(VSERVER_IS_CLOSED_LOOP_DISABLED))) { - return true; - } - return ("true".equalsIgnoreCase(event.getAAI().get(GENERIC_VNF_IS_CLOSED_LOOP_DISABLED)) || - "T".equalsIgnoreCase(event.getAAI().get(GENERIC_VNF_IS_CLOSED_LOOP_DISABLED)) || - "yes".equalsIgnoreCase(event.getAAI().get(GENERIC_VNF_IS_CLOSED_LOOP_DISABLED)) || - "Y".equalsIgnoreCase(event.getAAI().get(GENERIC_VNF_IS_CLOSED_LOOP_DISABLED))); - } - - public static AAIGETVserverResponse getAAIVserverInfo(VirtualControlLoopEvent event) throws ControlLoopException { - UUID requestID = event.getRequestID(); - AAIGETVserverResponse response = null; - String vserverName = event.getAAI().get(VSERVER_VSERVER_NAME); - - try { - if (vserverName != null) { - aaiHostURL = PolicyEngine.manager.getEnvironmentProperty("aai.url"); - aaiUser = PolicyEngine.manager.getEnvironmentProperty("aai.username"); - aaiPassword = PolicyEngine.manager.getEnvironmentProperty("aai.password"); - String aaiGetQueryByVserver = "/aai/v11/nodes/vservers?vserver-name="; - String url = aaiHostURL + aaiGetQueryByVserver; - logger.info("AAI Host URL by VServer: {}", url); - response = new AAIManager(new RESTManager()).getQueryByVserverName(url, aaiUser, aaiPassword, requestID, vserverName); - } - } catch (Exception e) { - logger.error("getAAIVserverInfo exception: ", e); - throw new ControlLoopException("Exception in getAAIVserverInfo: ", e); - } - - return response; - } - - public static AAIGETVnfResponse getAAIVnfInfo(VirtualControlLoopEvent event) throws ControlLoopException { - UUID requestID = event.getRequestID(); - AAIGETVnfResponse response = null; - String vnfName = event.getAAI().get(GENERIC_VNF_VNF_NAME); - String vnfID = event.getAAI().get(GENERIC_VNF_VNF_ID); - - aaiHostURL = PolicyEngine.manager.getEnvironmentProperty("aai.url"); - aaiUser = PolicyEngine.manager.getEnvironmentProperty("aai.username"); - aaiPassword = PolicyEngine.manager.getEnvironmentProperty("aai.password"); - - try { - if (vnfName != null) { - String aaiGetQueryByVnfName = "/aai/v11/network/generic-vnfs/generic-vnf?vnf-name="; - String url = aaiHostURL + aaiGetQueryByVnfName; - logger.info("AAI Host URL by VNF name: {}", url); - response = new AAIManager(new RESTManager()).getQueryByVnfName(url, aaiUser, aaiPassword, requestID, vnfName); - } else if (vnfID != null) { - String aaiGetQueryByVnfID = "/aai/v11/network/generic-vnfs/generic-vnf/"; - String url = aaiHostURL + aaiGetQueryByVnfID; - logger.info("AAI Host URL by VNF ID: {}", url); - response = new AAIManager(new RESTManager()).getQueryByVnfID(url, aaiUser, aaiPassword, requestID, vnfID); - } - } catch (Exception e) { - logger.error("getAAIVnfInfo exception: ", e); - throw new ControlLoopException("Exception in getAAIVnfInfo: ", e); - } - - return response; - } - - @Override - public boolean isActive() { - // TODO - return true; - } - - @Override - public boolean releaseLock() { - // TODO - return false; - } - - @Override - public String toString() { - return "ControlLoopEventManager [closedLoopControlName=" + closedLoopControlName + ", requestID=" + requestID - + ", processor=" + processor + ", onset=" + (onset != null ? onset.getRequestID() : "null") + ", numOnsets=" + numOnsets + ", numAbatements=" - + numAbatements + ", isActivated=" - + isActivated + ", currentOperation=" + currentOperation + ", targetLock=" + targetLock + "]"; - } + private static final String VM_NAME = "VM_NAME"; + private static final String VNF_NAME = "VNF_NAME"; + private static final String GENERIC_VNF_VNF_ID = "generic-vnf.vnf-id"; + private static final String GENERIC_VNF_VNF_NAME = "generic-vnf.vnf-name"; + private static final String VSERVER_VSERVER_NAME = "vserver.vserver-name"; + private static final String GENERIC_VNF_IS_CLOSED_LOOP_DISABLED = "generic-vnf.is-closed-loop-disabled"; + private static final String VSERVER_IS_CLOSED_LOOP_DISABLED = "vserver.is-closed-loop-disabled"; + + private static final Logger logger = LoggerFactory.getLogger(ControlLoopEventManager.class); + + private static final long serialVersionUID = -1216568161322872641L; + public final String closedLoopControlName; + public final UUID requestID; + + private String controlLoopResult; + private transient ControlLoopProcessor processor = null; + private VirtualControlLoopEvent onset; + private Integer numOnsets = 0; + private Integer numAbatements = 0; + private VirtualControlLoopEvent abatement; + private FinalResult controlLoopTimedOut = null; + + private boolean isActivated = false; + private LinkedList<ControlLoopOperation> controlLoopHistory = new LinkedList<>(); + private ControlLoopOperationManager currentOperation = null; + private transient TargetLock targetLock = null; + private AAIGETVnfResponse vnfResponse = null; + private AAIGETVserverResponse vserverResponse = null; + private static String aaiHostURL; + private static String aaiUser; + private static String aaiPassword; + + private static Collection<String> requiredAAIKeys = new ArrayList<>(); + + static { + requiredAAIKeys.add("AICVServerSelfLink"); + requiredAAIKeys.add("AICIdentity"); + requiredAAIKeys.add("is_closed_loop_disabled"); + requiredAAIKeys.add(VM_NAME); + } + + public ControlLoopEventManager(String closedLoopControlName, UUID requestID) { + this.closedLoopControlName = closedLoopControlName; + this.requestID = requestID; + } + + public String getControlLoopResult() { + return controlLoopResult; + } + + public void setControlLoopResult(String controlLoopResult) { + this.controlLoopResult = controlLoopResult; + } + + public Integer getNumOnsets() { + return numOnsets; + } + + public void setNumOnsets(Integer numOnsets) { + this.numOnsets = numOnsets; + } + + public Integer getNumAbatements() { + return numAbatements; + } + + public void setNumAbatements(Integer numAbatements) { + this.numAbatements = numAbatements; + } + + public boolean isActivated() { + return isActivated; + } + + public void setActivated(boolean isActivated) { + this.isActivated = isActivated; + } + + public VirtualControlLoopEvent getOnsetEvent() { + return this.onset; + } + + public VirtualControlLoopEvent getAbatementEvent() { + return this.abatement; + } + + public ControlLoopProcessor getProcessor() { + return this.processor; + } + + /** + * Activate a control loop event. + * + * @param event the event + * @return the VirtualControlLoopNotification + */ + public VirtualControlLoopNotification activate(VirtualControlLoopEvent event) { + VirtualControlLoopNotification notification = new VirtualControlLoopNotification(event); + try { + // + // This method should ONLY be called ONCE + // + if (this.isActivated) { + throw new ControlLoopException("ControlLoopEventManager has already been activated."); + } + // + // Syntax check the event + // + checkEventSyntax(event); + + // + // At this point we are good to go with this event + // + this.onset = event; + this.numOnsets = 1; + // + notification.setNotification(ControlLoopNotificationType.ACTIVE); + // + // Set ourselves as active + // + this.isActivated = true; + } catch (ControlLoopException e) { + logger.error("{}: activate by event threw: ", this, e); + notification.setNotification(ControlLoopNotificationType.REJECTED); + notification.setMessage(e.getMessage()); + } + return notification; + } + + /** + * Activate a control loop event. + * + * @param yamlSpecification the yaml specification + * @param event the event + * @return the VirtualControlLoopNotification + */ + public VirtualControlLoopNotification activate(String yamlSpecification, VirtualControlLoopEvent event) { + VirtualControlLoopNotification notification = new VirtualControlLoopNotification(event); + try { + // + // This method should ONLY be called ONCE + // + if (this.isActivated) { + throw new ControlLoopException("ControlLoopEventManager has already been activated."); + } + // + // Syntax check the event + // + checkEventSyntax(event); + + // + // Check the YAML + // + if (yamlSpecification == null || yamlSpecification.length() < 1) { + throw new ControlLoopException("yaml specification is null or 0 length"); + } + } catch (ControlLoopException e) { + logger.error("{}: activate by YAML specification and event threw: ", this, e); + notification.setNotification(ControlLoopNotificationType.REJECTED); + notification.setMessage(e.getMessage()); + return notification; + } + + String decodedYaml = null; + try { + decodedYaml = URLDecoder.decode(yamlSpecification, "UTF-8"); + if (decodedYaml != null && decodedYaml.length() > 0) { + yamlSpecification = decodedYaml; + } + } catch (UnsupportedEncodingException e) { + logger.error("{}: YAML decode in activate by YAML specification and event threw: ", this, e); + notification.setNotification(ControlLoopNotificationType.REJECTED); + notification.setMessage(e.getMessage()); + return notification; + } + + try { + // + // Parse the YAML specification + // + this.processor = new ControlLoopProcessor(yamlSpecification); + + // + // At this point we are good to go with this event + // + this.onset = event; + this.numOnsets = 1; + // + // + // + notification.setNotification(ControlLoopNotificationType.ACTIVE); + // + // Set ourselves as active + // + this.isActivated = true; + } catch (ControlLoopException e) { + logger.error("{}: activate by YAML specification and event threw: ", this, e); + notification.setNotification(ControlLoopNotificationType.REJECTED); + notification.setMessage(e.getMessage()); + } + return notification; + } + + /** + * Check if the control loop is final. + * + * @return a VirtualControlLoopNotification if the control loop is final, otherwise + * <code>null</code> is returned + * @throws ControlLoopException if an error occurs + */ + public VirtualControlLoopNotification isControlLoopFinal() throws ControlLoopException { + // + // Check if they activated us + // + if (!this.isActivated) { + throw new ControlLoopException("ControlLoopEventManager MUST be activated first."); + } + // + // Make sure we are expecting this call. + // + if (this.onset == null) { + throw new ControlLoopException("No onset event for ControlLoopEventManager."); + } + // + // Ok, start creating the notification + // + VirtualControlLoopNotification notification = new VirtualControlLoopNotification(this.onset); + // + // Check if the overall control loop has timed out + // + if (this.isControlLoopTimedOut()) { + // + // Yes we have timed out + // + notification.setNotification(ControlLoopNotificationType.FINAL_FAILURE); + notification.setMessage("Control Loop timed out"); + notification.getHistory().addAll(this.controlLoopHistory); + return notification; + } + // + // Check if the current policy is Final + // + FinalResult result = this.processor.checkIsCurrentPolicyFinal(); + if (result == null) { + // + // we are not at a final result + // + return null; + } + + switch (result) { + case FINAL_FAILURE_EXCEPTION: + notification.setNotification(ControlLoopNotificationType.FINAL_FAILURE); + notification.setMessage("Exception in processing closed loop"); + break; + case FINAL_FAILURE: + case FINAL_FAILURE_RETRIES: + case FINAL_FAILURE_TIMEOUT: + case FINAL_FAILURE_GUARD: + notification.setNotification(ControlLoopNotificationType.FINAL_FAILURE); + break; + case FINAL_OPENLOOP: + notification.setNotification(ControlLoopNotificationType.FINAL_OPENLOOP); + break; + case FINAL_SUCCESS: + notification.setNotification(ControlLoopNotificationType.FINAL_SUCCESS); + break; + default: + return null; + } + // + // Be sure to add all the history + // + notification.getHistory().addAll(this.controlLoopHistory); + return notification; + } + + /** + * Process the control loop. + * + * @return a ControlLoopOperationManager + * @throws ControlLoopException if an error occurs + * @throws AAIException if an error occurs retrieving information from A&AI + */ + public ControlLoopOperationManager processControlLoop() throws ControlLoopException, AAIException { + // + // Check if they activated us + // + if (!this.isActivated) { + throw new ControlLoopException("ControlLoopEventManager MUST be activated first."); + } + // + // Make sure we are expecting this call. + // + if (this.onset == null) { + throw new ControlLoopException("No onset event for ControlLoopEventManager."); + } + // + // Is there a current operation? + // + if (this.currentOperation != null) { + // + // Throw an exception, or simply return the current operation? + // + throw new ControlLoopException("Already working an Operation, do not call this method."); + } + // + // Ensure we are not FINAL + // + VirtualControlLoopNotification notification = this.isControlLoopFinal(); + if (notification != null) { + // + // This is weird, we require them to call the isControlLoopFinal() method first + // + // We should really abstract this and avoid throwing an exception, because it really + // isn't an exception. + // + throw new ControlLoopException("Control Loop is in FINAL state, do not call this method."); + } + // + // Not final so get the policy that needs to be worked on. + // + Policy policy = this.processor.getCurrentPolicy(); + if (policy == null) { + throw new ControlLoopException("ControlLoopEventManager: processor came upon null Policy."); + } + // + // And setup an operation + // + this.currentOperation = new ControlLoopOperationManager(this.onset, policy, this); + // + // Return it + // + return this.currentOperation; + } + + /** + * Finish an operation. + * + * @param operation the operation + */ + public void finishOperation(ControlLoopOperationManager operation) throws ControlLoopException { + // + // Verify we have a current operation + // + if (this.currentOperation != null) { + // + // Validate they are finishing the current operation + // PLD - this is simply comparing the policy. Do we want to equals the whole object? + // + if (this.currentOperation.policy.equals(operation.policy)) { + logger.debug("Finishing {} result is {}", this.currentOperation.policy.getRecipe(), + this.currentOperation.getOperationResult()); + // + // Save history + // + this.controlLoopHistory.addAll(this.currentOperation.getHistory()); + // + // Move to the next Policy + // + this.processor.nextPolicyForResult(this.currentOperation.getOperationResult()); + // + // Just null this out + // + this.currentOperation = null; + // + // TODO: Release our lock + // + return; + } + logger.debug("Cannot finish current operation {} does not match given operation {}", + this.currentOperation.policy, operation.policy); + return; + } + throw new ControlLoopException("No operation to finish."); + } + + /** + * Obtain a lock for the current operation. + * + * @return the lock result + * @throws ControlLoopException if an error occurs + */ + public synchronized LockResult<GuardResult, TargetLock> lockCurrentOperation() throws ControlLoopException { + // + // Sanity check + // + if (this.currentOperation == null) { + throw new ControlLoopException("Do not have a current operation."); + } + // + // Have we acquired it already? + // + if (this.targetLock != null) { + // + // TODO: Make sure the current lock is for the same target. + // Currently, it should be. But in the future it may not. + // + return new LockResult<>(GuardResult.LOCK_ACQUIRED, this.targetLock); + } else { + // + // Ask the Guard + // + LockResult<GuardResult, TargetLock> lockResult = + PolicyGuard.lockTarget(this.currentOperation.policy.getTarget().getType(), + this.currentOperation.getTargetEntity(), this.onset.getRequestID(), this); + // + // Was it acquired? + // + if (lockResult.getA().equals(GuardResult.LOCK_ACQUIRED)) { + // + // Yes, let's save it + // + this.targetLock = lockResult.getB(); + } + return lockResult; + } + } + + /** + * Release the lock for the current operation. + * + * @return the target lock + */ + public synchronized TargetLock unlockCurrentOperation() { + if (this.targetLock == null) { + return null; + } + if (PolicyGuard.unlockTarget(this.targetLock)) { + TargetLock returnLock = this.targetLock; + this.targetLock = null; + return returnLock; + } + return null; + } + + public enum NEW_EVENT_STATUS { + FIRST_ONSET, SUBSEQUENT_ONSET, FIRST_ABATEMENT, SUBSEQUENT_ABATEMENT, SYNTAX_ERROR; + } + + /** + * An event onset/abatement. + * + * @param event the event + * @return the status + * @throws AAIException if an error occurs retrieving information from A&AI + */ + public NEW_EVENT_STATUS onNewEvent(VirtualControlLoopEvent event) throws AAIException { + try { + this.checkEventSyntax(event); + if (event.getClosedLoopEventStatus() == ControlLoopEventStatus.ONSET) { + // + // Check if this is our original ONSET + // + if (event.equals(this.onset)) { + // + // Query A&AI if needed + // + queryAai(event); + + // + // DO NOT retract it + // + return NEW_EVENT_STATUS.FIRST_ONSET; + } + // + // Log that we got an onset + // + this.numOnsets++; + return NEW_EVENT_STATUS.SUBSEQUENT_ONSET; + } else if (event.getClosedLoopEventStatus() == ControlLoopEventStatus.ABATED) { + // + // Have we already got an abatement? + // + if (this.abatement == null) { + // + // Save this + // + this.abatement = event; + // + // Keep track that we received another + // + this.numAbatements++; + // + // + // + return NEW_EVENT_STATUS.FIRST_ABATEMENT; + } else { + // + // Keep track that we received another + // + this.numAbatements++; + // + // + // + return NEW_EVENT_STATUS.SUBSEQUENT_ABATEMENT; + } + } + } catch (ControlLoopException e) { + logger.error("{}: onNewEvent threw: ", this, e); + } + return NEW_EVENT_STATUS.SYNTAX_ERROR; + } + + /** + * Set the control loop time out. + * + * @return a VirtualControlLoopNotification + */ + public VirtualControlLoopNotification setControlLoopTimedOut() { + this.controlLoopTimedOut = FinalResult.FINAL_FAILURE_TIMEOUT; + VirtualControlLoopNotification notification = new VirtualControlLoopNotification(this.onset); + notification.setNotification(ControlLoopNotificationType.FINAL_FAILURE); + notification.setMessage("Control Loop timed out"); + notification.getHistory().addAll(this.controlLoopHistory); + return notification; + } + + public boolean isControlLoopTimedOut() { + return (this.controlLoopTimedOut == FinalResult.FINAL_FAILURE_TIMEOUT); + } + + /** + * Get the control loop timeout. + * + * @param defaultTimeout the default timeout + * @return the timeout + */ + public int getControlLoopTimeout(Integer defaultTimeout) { + if (this.processor != null && this.processor.getControlLoop() != null) { + return this.processor.getControlLoop().getTimeout(); + } + if (defaultTimeout != null) { + return defaultTimeout; + } + return 0; + } + + public AAIGETVnfResponse getVnfResponse() { + return vnfResponse; + } + + public AAIGETVserverResponse getVserverResponse() { + return vserverResponse; + } + + /** + * Check an event syntax. + * + * @param event the event syntax + * @throws ControlLoopException if an error occurs + */ + public void checkEventSyntax(VirtualControlLoopEvent event) throws ControlLoopException { + if (event.getClosedLoopEventStatus() == null + || (event.getClosedLoopEventStatus() != ControlLoopEventStatus.ONSET + && event.getClosedLoopEventStatus() != ControlLoopEventStatus.ABATED)) { + throw new ControlLoopException("Invalid value in closedLoopEventStatus"); + } + if (event.getClosedLoopControlName() == null || event.getClosedLoopControlName().length() < 1) { + throw new ControlLoopException("No control loop name"); + } + if (event.getRequestID() == null) { + throw new ControlLoopException("No request ID"); + } + if (event.getClosedLoopEventStatus() == ControlLoopEventStatus.ABATED) { + return; + } + if (event.getTarget() == null || event.getTarget().length() < 1) { + throw new ControlLoopException("No target field"); + } else if (!VM_NAME.equalsIgnoreCase(event.getTarget()) && !VNF_NAME.equalsIgnoreCase(event.getTarget()) + && !VSERVER_VSERVER_NAME.equalsIgnoreCase(event.getTarget()) + && !GENERIC_VNF_VNF_ID.equalsIgnoreCase(event.getTarget()) + && !GENERIC_VNF_VNF_NAME.equalsIgnoreCase(event.getTarget())) { + throw new ControlLoopException("target field invalid - expecting VM_NAME or VNF_NAME"); + } + if (event.getAAI() == null) { + throw new ControlLoopException("AAI is null"); + } + if (event.getAAI().get(GENERIC_VNF_VNF_ID) == null && event.getAAI().get(VSERVER_VSERVER_NAME) == null + && event.getAAI().get(GENERIC_VNF_VNF_NAME) == null) { + throw new ControlLoopException( + "generic-vnf.vnf-id or generic-vnf.vnf-name or vserver.vserver-name information missing"); + } + } + + /** + * Query A&AI for an event. + * + * @param event the event + * @throws AAIException if an error occurs retrieving information from A&AI + */ + public void queryAai(VirtualControlLoopEvent event) throws AAIException { + if ((event.getAAI().get(VSERVER_IS_CLOSED_LOOP_DISABLED) != null + || event.getAAI().get(GENERIC_VNF_IS_CLOSED_LOOP_DISABLED) != null) && isClosedLoopDisabled(event)) { + throw new AAIException("is-closed-loop-disabled is set to true on VServer or VNF"); + } + + try { + if (event.getAAI().get(GENERIC_VNF_VNF_ID) != null || event.getAAI().get(GENERIC_VNF_VNF_NAME) != null) { + vnfResponse = getAAIVnfInfo(event); + processVNFResponse(vnfResponse, event.getAAI().get(GENERIC_VNF_VNF_ID) != null); + } else if (event.getAAI().get(VSERVER_VSERVER_NAME) != null) { + vserverResponse = getAAIVserverInfo(event); + processVServerResponse(vserverResponse); + } + } catch (Exception e) { + logger.error("Exception from queryAai: ", e); + throw new AAIException("Exception from queryAai: " + e.toString()); + } + } + + /** + * Process a response from A&AI for a VNF. + * + * @param aaiResponse the response from A&AI + * @param queryByVnfId <code>true</code> if the query was based on vnf-id, <code>false</code> if + * the query was based on vnf-name + * @throws AAIException if an error occurs processing the response + */ + private static void processVNFResponse(AAIGETVnfResponse aaiResponse, boolean queryByVNFID) throws AAIException { + String queryTypeString = (queryByVNFID ? "vnf-id" : "vnf-name"); + + if (aaiResponse == null) { + throw new AAIException("AAI Response is null (query by " + queryTypeString + ")"); + } + if (aaiResponse.getRequestError() != null) { + throw new AAIException("AAI Responded with a request error (query by " + queryTypeString + ")"); + } + + if (aaiResponse.getIsClosedLoopDisabled() != null) { + String value = aaiResponse.getIsClosedLoopDisabled(); + if ("true".equalsIgnoreCase(value) || "T".equalsIgnoreCase(value) || "yes".equalsIgnoreCase(value) + || "Y".equalsIgnoreCase(value)) { + throw new AAIException("is-closed-loop-disabled is set to true (query by " + queryTypeString + ")"); + } + } + } + + private static void processVServerResponse(AAIGETVserverResponse aaiResponse) throws AAIException { + if (aaiResponse == null) { + throw new AAIException("AAI Response is null (query by vserver-name)"); + } + if (aaiResponse.getRequestError() != null) { + throw new AAIException("AAI responded with a request error (query by vserver-name)"); + } + + if (aaiResponse.getIsClosedLoopDisabled() != null) { + String value = aaiResponse.getIsClosedLoopDisabled(); + if ("true".equalsIgnoreCase(value) || "T".equalsIgnoreCase(value) || "yes".equalsIgnoreCase(value) + || "Y".equalsIgnoreCase(value)) { + throw new AAIException("is-closed-loop-disabled is set to true (query by vserver-name)"); + } + } + } + + /** + * Is closed loop disabled for an event. + * + * @param event the event + * @return <code>true</code> if the contol loop is disabled, <code>false</code> otherwise + */ + public static boolean isClosedLoopDisabled(VirtualControlLoopEvent event) { + if ("true".equalsIgnoreCase(event.getAAI().get(VSERVER_IS_CLOSED_LOOP_DISABLED)) + || "T".equalsIgnoreCase(event.getAAI().get(VSERVER_IS_CLOSED_LOOP_DISABLED)) + || "yes".equalsIgnoreCase(event.getAAI().get(VSERVER_IS_CLOSED_LOOP_DISABLED)) + || "Y".equalsIgnoreCase(event.getAAI().get(VSERVER_IS_CLOSED_LOOP_DISABLED))) { + return true; + } + return ("true".equalsIgnoreCase(event.getAAI().get(GENERIC_VNF_IS_CLOSED_LOOP_DISABLED)) + || "T".equalsIgnoreCase(event.getAAI().get(GENERIC_VNF_IS_CLOSED_LOOP_DISABLED)) + || "yes".equalsIgnoreCase(event.getAAI().get(GENERIC_VNF_IS_CLOSED_LOOP_DISABLED)) + || "Y".equalsIgnoreCase(event.getAAI().get(GENERIC_VNF_IS_CLOSED_LOOP_DISABLED))); + } + + /** + * Get the A&AI VService information for an event. + * + * @param event the event + * @return a AAIGETVserverResponse + * @throws ControlLoopException if an error occurs + */ + public static AAIGETVserverResponse getAAIVserverInfo(VirtualControlLoopEvent event) throws ControlLoopException { + UUID requestId = event.getRequestID(); + AAIGETVserverResponse response = null; + String vserverName = event.getAAI().get(VSERVER_VSERVER_NAME); + + try { + if (vserverName != null) { + aaiHostURL = PolicyEngine.manager.getEnvironmentProperty("aai.url"); + aaiUser = PolicyEngine.manager.getEnvironmentProperty("aai.username"); + aaiPassword = PolicyEngine.manager.getEnvironmentProperty("aai.password"); + String aaiGetQueryByVserver = "/aai/v11/nodes/vservers?vserver-name="; + String url = aaiHostURL + aaiGetQueryByVserver; + logger.info("AAI Host URL by VServer: {}", url); + response = new AAIManager(new RESTManager()).getQueryByVserverName(url, aaiUser, aaiPassword, requestId, + vserverName); + } + } catch (Exception e) { + logger.error("getAAIVserverInfo exception: ", e); + throw new ControlLoopException("Exception in getAAIVserverInfo: ", e); + } + + return response; + } + + /** + * Get A&AI VNF information for an event. + * + * @param event the event + * @return a AAIGETVnfResponse + * @throws ControlLoopException if an error occurs + */ + public static AAIGETVnfResponse getAAIVnfInfo(VirtualControlLoopEvent event) throws ControlLoopException { + UUID requestId = event.getRequestID(); + AAIGETVnfResponse response = null; + String vnfName = event.getAAI().get(GENERIC_VNF_VNF_NAME); + String vnfId = event.getAAI().get(GENERIC_VNF_VNF_ID); + + aaiHostURL = PolicyEngine.manager.getEnvironmentProperty("aai.url"); + aaiUser = PolicyEngine.manager.getEnvironmentProperty("aai.username"); + aaiPassword = PolicyEngine.manager.getEnvironmentProperty("aai.password"); + + try { + if (vnfName != null) { + String aaiGetQueryByVnfName = "/aai/v11/network/generic-vnfs/generic-vnf?vnf-name="; + String url = aaiHostURL + aaiGetQueryByVnfName; + logger.info("AAI Host URL by VNF name: {}", url); + response = new AAIManager(new RESTManager()).getQueryByVnfName(url, aaiUser, aaiPassword, requestId, + vnfName); + } else if (vnfId != null) { + String aaiGetQueryByVnfId = "/aai/v11/network/generic-vnfs/generic-vnf/"; + String url = aaiHostURL + aaiGetQueryByVnfId; + logger.info("AAI Host URL by VNF ID: {}", url); + response = + new AAIManager(new RESTManager()).getQueryByVnfID(url, aaiUser, aaiPassword, requestId, vnfId); + } + } catch (Exception e) { + logger.error("getAAIVnfInfo exception: ", e); + throw new ControlLoopException("Exception in getAAIVnfInfo: ", e); + } + + return response; + } + + @Override + public boolean isActive() { + // TODO + return true; + } + + @Override + public boolean releaseLock() { + // TODO + return false; + } + + @Override + public String toString() { + return "ControlLoopEventManager [closedLoopControlName=" + closedLoopControlName + ", requestID=" + requestID + + ", processor=" + processor + ", onset=" + (onset != null ? onset.getRequestID() : "null") + + ", numOnsets=" + numOnsets + ", numAbatements=" + numAbatements + ", isActivated=" + isActivated + + ", currentOperation=" + currentOperation + ", targetLock=" + targetLock + "]"; + } } diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java index ba2df3358..7c900249c 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * controlloop operation manager * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -54,715 +54,797 @@ import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class ControlLoopOperationManager implements Serializable { - private static final long serialVersionUID = -3773199283624595410L; - private static final Logger logger = LoggerFactory.getLogger(ControlLoopOperationManager.class); - - private static final String VSERVER_VSERVER_NAME = "vserver.vserver-name"; - private static final String GENERIC_VNF_VNF_NAME = "generic-vnf.vnf-name"; - private static final String GENERIC_VNF_VNF_ID = "generic-vnf.vnf-id"; - - @Override - public String toString() { - return "ControlLoopOperationManager [onset=" + (onset != null ? onset.getRequestID() : "null") + ", policy=" - + (policy != null ? policy.getId() : "null") + ", attempts=" + attempts - + ", policyResult=" + policyResult - + ", currentOperation=" + currentOperation + ", operationHistory=" + operationHistory - + "]"; - } - - // - // These properties are not changeable, but accessible - // for Drools Rule statements. - // - public final ControlLoopEvent onset; - public final transient Policy policy; - - // - // Properties used to track the Operation - // - private int attempts = 0; - private transient Operation currentOperation = null; - private LinkedList<Operation> operationHistory = new LinkedList<>(); - private PolicyResult policyResult = null; - private ControlLoopEventManager eventManager = null; - private String targetEntity; - - public ControlLoopEventManager getEventManager() { - return eventManager; - } - - public void setEventManager(ControlLoopEventManager eventManager) { - this.eventManager = eventManager; - } - - public String getTargetEntity() { - return this.targetEntity; - } - - // - // Internal class used for tracking - // - private class Operation { - private ControlLoopOperation clOperation = new ControlLoopOperation(); - private PolicyResult policyResult = null; - private int attempt = 0; - - @Override - public String toString() { - return "Operation [attempt=" + attempt + ", policyResult=" + policyResult + ", operation=" + clOperation - + "]"; - } - } - - private String guardApprovalStatus = "NONE";//"NONE", "PERMIT", "DENY" - private transient Object operationRequest; - - public Object getOperationRequest() { - return operationRequest; - } - - public String getGuardApprovalStatus() { - return guardApprovalStatus; - } - public void setGuardApprovalStatus(String guardApprovalStatus) { - this.guardApprovalStatus = guardApprovalStatus; - } - - public String getTarget(Policy policy) throws ControlLoopException, AAIException { - if (policy.getTarget() == null) { - throw new ControlLoopException("The target is null"); - } - - if (policy.getTarget().getType() == null) { - throw new ControlLoopException("The target type is null"); - } - - switch(policy.getTarget().getType()) { - case PNF: - throw new ControlLoopException("PNF target is not supported"); - case VM: - case VNF: - VirtualControlLoopEvent virtualOnset = (VirtualControlLoopEvent) this.onset; - if (this.onset.getTarget().equalsIgnoreCase(VSERVER_VSERVER_NAME)) { - return virtualOnset.getAAI().get(VSERVER_VSERVER_NAME); - } - else if (this.onset.getTarget().equalsIgnoreCase(GENERIC_VNF_VNF_ID)) { - return virtualOnset.getAAI().get(GENERIC_VNF_VNF_ID); - } - else if (this.onset.getTarget().equalsIgnoreCase(GENERIC_VNF_VNF_NAME)) { - /* - * If the onset is enriched with the vnf-id, - * we don't need an A&AI response - */ - if (virtualOnset.getAAI().containsKey(GENERIC_VNF_VNF_ID)) { - return virtualOnset.getAAI().get(GENERIC_VNF_VNF_ID); - } - - /* - * If the vnf-name was retrieved from the onset then the vnf-id - * must be obtained from the event manager's A&AI GET query - */ - String vnfId = this.eventManager.getVnfResponse().getVnfID(); - if (vnfId == null) { - throw new AAIException("No vnf-id found"); - } - return vnfId; - } - throw new ControlLoopException("Target does not match target type"); - default: - throw new ControlLoopException("The target type is not supported"); - } - } - - public ControlLoopOperationManager(ControlLoopEvent onset, Policy policy, ControlLoopEventManager em) throws ControlLoopException, AAIException { - this.onset = onset; - this.policy = policy; - this.guardApprovalStatus = "NONE"; - this.eventManager = em; - this.targetEntity = getTarget(policy); - - // - // Let's make a sanity check - // - switch (policy.getActor()) { - case "APPC": - if ("ModifyConfig".equalsIgnoreCase(policy.getRecipe())) { - /* - * The target vnf-id may not be the same as the source vnf-id - * specified in the yaml, the target vnf-id is retrieved by - * a named query to A&AI. - */ - String targetVnf = AppcLcmActorServiceProvider.vnfNamedQuery( policy.getTarget().getResourceID(), this.targetEntity); - this.targetEntity = targetVnf; - } - break; - case "SO": - break; - case "VFC": - break; - default: - throw new ControlLoopException("ControlLoopEventManager: policy has an unknown actor."); - } - } - - public Object startOperation(/*VirtualControlLoopEvent*/ControlLoopEvent onset) throws ControlLoopException{ - verifyOperatonCanRun(); - - // - // Setup - // - this.policyResult = null; - Operation operation = new Operation(); - operation.attempt = ++this.attempts; - operation.clOperation.setActor(this.policy.getActor()); - operation.clOperation.setOperation(this.policy.getRecipe()); - operation.clOperation.setTarget(this.policy.getTarget().toString()); - operation.clOperation.setSubRequestId(Integer.toString(operation.attempt)); - // - // Now determine which actor we need to construct a request for - // - switch (policy.getActor()) { - case "APPC": - /* - * If the recipe is ModifyConfig, a legacy APPC - * request is constructed. Otherwise an LCMRequest - * is constructed. - */ - this.currentOperation = operation; - if ("ModifyConfig".equalsIgnoreCase(policy.getRecipe())) { - this.operationRequest = APPCActorServiceProvider.constructRequest((VirtualControlLoopEvent) onset, - operation.clOperation, this.policy, this.targetEntity); - } - else { - this.operationRequest = AppcLcmActorServiceProvider.constructRequest((VirtualControlLoopEvent) onset, - operation.clOperation, this.policy, this.targetEntity); - } - // - // Save the operation - // - - return operationRequest; - case "SO": - SOActorServiceProvider soActorSP = new SOActorServiceProvider(); - this.operationRequest = soActorSP.constructRequest((VirtualControlLoopEvent)onset, operation.clOperation, this.policy); - - // Save the operation - this.currentOperation = operation; - - if (this.operationRequest == null) { - this.policyResult = PolicyResult.FAILURE; - } - - return operationRequest; - case "VFC": - this.operationRequest = VFCActorServiceProvider.constructRequest((VirtualControlLoopEvent) onset, operation.clOperation, this.policy, this.eventManager.getVnfResponse()); - this.currentOperation = operation; - if (this.operationRequest == null) { - this.policyResult = PolicyResult.FAILURE; - } - return operationRequest; - default: - throw new ControlLoopException("invalid actor " + policy.getActor() + " on policy"); - } - } - - public PolicyResult onResponse(Object response) { - // - // Which response is it? - // - if (response instanceof Response) { - // - // Cast APPC response and handle it - // - return onResponse((Response) response); - } - else if (response instanceof LCMResponseWrapper) { - // - // Cast LCM response and handle it - // - return onResponse((LCMResponseWrapper) response); - } - else if (response instanceof SOResponseWrapper) { - // - // Cast SO response and handle it - // - return onResponse((SOResponseWrapper) response); - } - else if (response instanceof VFCResponse) { - // - // Cast VFC response and handle it - // - return onResponse((VFCResponse) response); - } - else { - return null; - } - } - - /** - * This method handles operation responses from APPC - * @param appcResponse the APPC response - * @return The result of the response handling - */ - private PolicyResult onResponse(Response appcResponse) { - // - // Determine which subrequestID (ie. attempt) - // - Integer operationAttempt = null; - try { - operationAttempt = Integer.parseInt(appcResponse.getCommonHeader().getSubRequestID()); - } catch (NumberFormatException e) { - // - // We cannot tell what happened if this doesn't exist - // - this.completeOperation(operationAttempt, "Policy was unable to parse APP-C SubRequestID (it was null).", PolicyResult.FAILURE_EXCEPTION); - return PolicyResult.FAILURE_EXCEPTION; - } - // - // Sanity check the response message - // - if (appcResponse.getStatus() == null) { - // - // We cannot tell what happened if this doesn't exist - // - this.completeOperation(operationAttempt, "Policy was unable to parse APP-C response status field (it was null).", PolicyResult.FAILURE_EXCEPTION); - return PolicyResult.FAILURE_EXCEPTION; - } - // - // Get the Response Code - // - ResponseCode code = ResponseCode.toResponseCode(appcResponse.getStatus().getCode()); - if (code == null) { - // - // We are unaware of this code - // - this.completeOperation(operationAttempt, "Policy was unable to parse APP-C response status code field.", PolicyResult.FAILURE_EXCEPTION); - return PolicyResult.FAILURE_EXCEPTION; - } - // - // Ok, let's figure out what APP-C's response is - // - switch (code) { - case ACCEPT: - // - // This is good, they got our original message and - // acknowledged it. - // - // Is there any need to track this? - // - return null; - case ERROR: - case REJECT: - // - // We'll consider these two codes as exceptions - // - this.completeOperation(operationAttempt, appcResponse.getStatus().getDescription(), PolicyResult.FAILURE_EXCEPTION); - if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { - return null; - } - return PolicyResult.FAILURE_EXCEPTION; - case SUCCESS: - // - // - // - this.completeOperation(operationAttempt, appcResponse.getStatus().getDescription(), PolicyResult.SUCCESS); - if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { - return null; - } - return PolicyResult.SUCCESS; - case FAILURE: - // - // - // - this.completeOperation(operationAttempt, appcResponse.getStatus().getDescription(), PolicyResult.FAILURE); - if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { - return null; - } - return PolicyResult.FAILURE; - default: - return null; - } - } - - /** - * This method handles operation responses from LCM - * @param dmaapResponse the LCM response - * @return The result of the response handling - */ - private PolicyResult onResponse(LCMResponseWrapper dmaapResponse) { - /* - * Parse out the operation attempt using the subrequestid - */ - Integer operationAttempt = AppcLcmActorServiceProvider.parseOperationAttempt(dmaapResponse.getBody().getCommonHeader().getSubRequestId()); - if (operationAttempt == null) { - this.completeOperation(operationAttempt, "Policy was unable to parse APP-C SubRequestID (it was null).", PolicyResult.FAILURE_EXCEPTION); - } - - /* - * Process the APPCLCM response to see what PolicyResult - * should be returned - */ - AbstractMap.SimpleEntry<PolicyResult, String> result = AppcLcmActorServiceProvider.processResponse(dmaapResponse); - - if (result.getKey() != null) { - this.completeOperation(operationAttempt, result.getValue(), result.getKey()); - if (PolicyResult.FAILURE_TIMEOUT.equals(this.policyResult)) { - return null; - } - return result.getKey(); - } - return null; - } - - /** - * This method handles operation responses from SO - * @param msoResponse the SO response - * @return The result of the response handling - */ - private PolicyResult onResponse(SOResponseWrapper msoResponse) { - switch (msoResponse.getSoResponse().getHttpResponseCode()) { - case 200: - case 202: - // - // Consider it as success - // - this.completeOperation(this.attempts, msoResponse.getSoResponse().getHttpResponseCode() + " Success", PolicyResult.SUCCESS); - if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { - return null; - } - return PolicyResult.SUCCESS; - default: - // - // Consider it as failure - // - this.completeOperation(this.attempts, msoResponse.getSoResponse().getHttpResponseCode() + " Failed", PolicyResult.FAILURE); - if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { - return null; - } - return PolicyResult.FAILURE; - } - } - - /** - * This method handles operation responses from VFC - * @param vfcResponse the VFC response - * @return The result of the response handling - */ - private PolicyResult onResponse(VFCResponse vfcResponse) { - if (vfcResponse.getResponseDescriptor().getStatus().equalsIgnoreCase("finished")) { - // - // Consider it as success - // - this.completeOperation(this.attempts, " Success", PolicyResult.SUCCESS); - if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { - return null; - } - return PolicyResult.SUCCESS; - } else { - // - // Consider it as failure - // - this.completeOperation(this.attempts, " Failed", PolicyResult.FAILURE); - if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { - return null; - } - // increment operation attempts for retries - this.attempts += 1; - return PolicyResult.FAILURE; - } - } - - public Integer getOperationTimeout() { - // - // Sanity check - // - if (this.policy == null) { - logger.debug("getOperationTimeout returning 0"); - return 0; - } - logger.debug("getOperationTimeout returning {}", this.policy.getTimeout()); - return this.policy.getTimeout(); - } - - public String getOperationTimeoutString(int defaultTimeout) { - Integer to = this.getOperationTimeout(); - if (to == null || to == 0) { - return Integer.toString(defaultTimeout) + "s"; - } - return to.toString() + "s"; - } - - public PolicyResult getOperationResult() { - return this.policyResult; - } - - public String getOperationMessage() { - if (this.currentOperation != null && this.currentOperation.clOperation != null) { - return this.currentOperation.clOperation.toMessage(); - } - - if (!this.operationHistory.isEmpty()) { - return this.operationHistory.getLast().clOperation.toMessage(); - } - return null; - } - - public String getOperationMessage(String guardResult) { - if (this.currentOperation != null && this.currentOperation.clOperation != null) { - return this.currentOperation.clOperation.toMessage()+ ", Guard result: " + guardResult; - } - - if (!this.operationHistory.isEmpty()) { - return this.operationHistory.getLast().clOperation.toMessage() + ", Guard result: " + guardResult; - } - return null; - } - - public String getOperationHistory() { - if (this.currentOperation != null && this.currentOperation.clOperation != null) { - return this.currentOperation.clOperation.toHistory(); - } - - if (!this.operationHistory.isEmpty()) { - return this.operationHistory.getLast().clOperation.toHistory(); - } - return null; - } - - public List<ControlLoopOperation> getHistory() { - LinkedList<ControlLoopOperation> history = new LinkedList<>(); - for (Operation op : this.operationHistory) { - history.add(new ControlLoopOperation(op.clOperation)); - - } - return history; - } - - public void setOperationHasTimedOut() { - // - // - // - this.completeOperation(this.attempts, "Operation timed out", PolicyResult.FAILURE_TIMEOUT); - } - - public void setOperationHasGuardDeny() { - // - // - // - this.completeOperation(this.attempts, "Operation denied by Guard", PolicyResult.FAILURE_GUARD); - } - - public void setOperationHasException(String message) { - this.completeOperation(this.attempts, message, PolicyResult.FAILURE_EXCEPTION); - } - - public boolean isOperationComplete() { - // - // Is there currently a result? - // - if (this.policyResult == null) { - // - // either we are in process or we - // haven't started - // - return false; - } - // - // We have some result, check if the operation failed - // - if (this.policyResult.equals(PolicyResult.FAILURE)) { - // - // Check if there were no retries specified - // - if (policy.getRetry() == null || policy.getRetry() == 0) { - // - // The result is the failure - // - return true; - } - // - // Check retries - // - if (this.isRetriesMaxedOut()) { - // - // No more attempts allowed, reset - // that our actual result is failure due to retries - // - this.policyResult = PolicyResult.FAILURE_RETRIES; - return true; - } else { - // - // There are more attempts available to try the - // policy recipe. - // - return false; - } - } - // - // Other results mean we are done - // - return true; - } - - public boolean isOperationRunning() { - return (this.currentOperation != null); - } - - /** - * This method verifies that the operation manager may run an operation. - * @return True if the operation can run, false otherwise - * @throws ControlLoopException if the operation cannot run - */ - private void verifyOperatonCanRun() throws ControlLoopException { - // - // They shouldn't call us if we currently running something - // - if (this.currentOperation != null) { - // - // what do we do if we are already running an operation? - // - throw new ControlLoopException("current operation is not null (an operation is already running)"); - } - // - // Check if we have maxed out on retries - // - if (this.policy.getRetry() == null || this.policy.getRetry() < 1) { - // - // No retries are allowed, so check have we even made - // one attempt to execute the operation? - // - if (this.attempts >= 1) { - // - // We have, let's ensure our PolicyResult is set - // - if (this.policyResult == null) { - this.policyResult = PolicyResult.FAILURE_RETRIES; - } - // - // - // - throw new ControlLoopException("current operation failed and retries are not allowed"); - } - } else { - // - // Have we maxed out on retries? - // - if (this.attempts > this.policy.getRetry()) { - if (this.policyResult == null) { - this.policyResult = PolicyResult.FAILURE_RETRIES; - } - throw new ControlLoopException("current oepration has failed after " + this.attempts + " retries"); - } - } - - return; - } - - private boolean isRetriesMaxedOut() { - if (policy.getRetry() == null || policy.getRetry() == 0) { - // - // There were NO retries specified, so declare - // this as completed. - // - return (this.attempts > 0); - } - return (this.attempts > policy.getRetry()); - } - - private void storeOperationInDataBase(){ - // Only store in DB if enabled - boolean guardEnabled = "false".equalsIgnoreCase(PolicyEngine.manager.getEnvironmentProperty("guard.disabled")); - if( !guardEnabled ){ - return; - } - - - // DB Properties - Properties props = new Properties(); - if(PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_URL) != null && - PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_USER) != null && - PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_PASS) != null){ - props.put(Util.ECLIPSE_LINK_KEY_URL, PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_URL)); - props.put(Util.ECLIPSE_LINK_KEY_USER, PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_USER)); - props.put(Util.ECLIPSE_LINK_KEY_PASS, PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_PASS)); - props.put(PersistenceUnitProperties.CLASSLOADER, ControlLoopOperationManager.class.getClassLoader()); - } - - - String opsHistPU = System.getProperty("OperationsHistoryPU"); - if(opsHistPU == null || !opsHistPU.equals("TestOperationsHistoryPU")){ - opsHistPU = "OperationsHistoryPU"; - } - else{ - props.clear(); - } - EntityManager em; - try{ - em = Persistence.createEntityManagerFactory(opsHistPU, props).createEntityManager(); - }catch(Exception e){ - logger.error("storeOperationInDataBase threw: ", e); - return; - } - - OperationsHistoryDbEntry newEntry = new OperationsHistoryDbEntry(); - - newEntry.setClosedLoopName(this.onset.getClosedLoopControlName()); - newEntry.setRequestId(this.onset.getRequestID().toString()); - newEntry.setActor(this.currentOperation.clOperation.getActor()); - newEntry.setOperation(this.currentOperation.clOperation.getOperation()); - newEntry.setTarget(this.targetEntity); - newEntry.setStarttime(Timestamp.from(this.currentOperation.clOperation.getStart())); - newEntry.setSubrequestId(this.currentOperation.clOperation.getSubRequestId()); - newEntry.setEndtime(new Timestamp(this.currentOperation.clOperation.getEnd().toEpochMilli())); - newEntry.setMessage(this.currentOperation.clOperation.getMessage()); - newEntry.setOutcome(this.currentOperation.clOperation.getOutcome()); - - em.getTransaction().begin(); - em.persist(newEntry); - em.getTransaction().commit(); - - em.close(); - } - - private void completeOperation(Integer attempt, String message, PolicyResult result) { - if (attempt == null) { - logger.debug("attempt cannot be null (i.e. subRequestID)"); - return; - } - if (this.currentOperation != null) { - if (this.currentOperation.attempt == attempt.intValue()) { - this.currentOperation.clOperation.setEnd(Instant.now()); - this.currentOperation.clOperation.setMessage(message); - this.currentOperation.clOperation.setOutcome(result.toString()); - this.currentOperation.policyResult = result; - // - // Save it in history - // - this.operationHistory.add(this.currentOperation); - this.storeOperationInDataBase(); - // - // Set our last result - // - this.policyResult = result; - // - // Clear the current operation field - // - this.currentOperation = null; - return; - } - logger.debug("not current"); - } - for (Operation op : this.operationHistory) { - if (op.attempt == attempt.intValue()) { - op.clOperation.setEnd(Instant.now()); - op.clOperation.setMessage(message); - op.clOperation.setOutcome(result.toString()); - op.policyResult = result; - return; - } - } - logger.debug("Could not find associated operation"); - - } + private static final long serialVersionUID = -3773199283624595410L; + private static final Logger logger = LoggerFactory.getLogger(ControlLoopOperationManager.class); + + private static final String VSERVER_VSERVER_NAME = "vserver.vserver-name"; + private static final String GENERIC_VNF_VNF_NAME = "generic-vnf.vnf-name"; + private static final String GENERIC_VNF_VNF_ID = "generic-vnf.vnf-id"; + + @Override + public String toString() { + return "ControlLoopOperationManager [onset=" + (onset != null ? onset.getRequestID() : "null") + ", policy=" + + (policy != null ? policy.getId() : "null") + ", attempts=" + attempts + ", policyResult=" + + policyResult + ", currentOperation=" + currentOperation + ", operationHistory=" + operationHistory + + "]"; + } + + // + // These properties are not changeable, but accessible + // for Drools Rule statements. + // + public final ControlLoopEvent onset; + public final transient Policy policy; + + // + // Properties used to track the Operation + // + private int attempts = 0; + private transient Operation currentOperation = null; + private LinkedList<Operation> operationHistory = new LinkedList<>(); + private PolicyResult policyResult = null; + private ControlLoopEventManager eventManager = null; + private String targetEntity; + + public ControlLoopEventManager getEventManager() { + return eventManager; + } + + public void setEventManager(ControlLoopEventManager eventManager) { + this.eventManager = eventManager; + } + + public String getTargetEntity() { + return this.targetEntity; + } + + // + // Internal class used for tracking + // + private class Operation { + private ControlLoopOperation clOperation = new ControlLoopOperation(); + private PolicyResult policyResult = null; + private int attempt = 0; + + @Override + public String toString() { + return "Operation [attempt=" + attempt + ", policyResult=" + policyResult + ", operation=" + clOperation + + "]"; + } + } + + private String guardApprovalStatus = "NONE";// "NONE", "PERMIT", "DENY" + private transient Object operationRequest; + + public Object getOperationRequest() { + return operationRequest; + } + + public String getGuardApprovalStatus() { + return guardApprovalStatus; + } + + public void setGuardApprovalStatus(String guardApprovalStatus) { + this.guardApprovalStatus = guardApprovalStatus; + } + + /** + * Get the target for a policy. + * + * @param policy the policy + * @return the target + * @throws ControlLoopException if an error occurs + * @throws AAIException if an error occurs retrieving information from A&AI + */ + public String getTarget(Policy policy) throws ControlLoopException, AAIException { + if (policy.getTarget() == null) { + throw new ControlLoopException("The target is null"); + } + + if (policy.getTarget().getType() == null) { + throw new ControlLoopException("The target type is null"); + } + + switch (policy.getTarget().getType()) { + case PNF: + throw new ControlLoopException("PNF target is not supported"); + case VM: + case VNF: + VirtualControlLoopEvent virtualOnset = (VirtualControlLoopEvent) this.onset; + if (this.onset.getTarget().equalsIgnoreCase(VSERVER_VSERVER_NAME)) { + return virtualOnset.getAAI().get(VSERVER_VSERVER_NAME); + } else if (this.onset.getTarget().equalsIgnoreCase(GENERIC_VNF_VNF_ID)) { + return virtualOnset.getAAI().get(GENERIC_VNF_VNF_ID); + } else if (this.onset.getTarget().equalsIgnoreCase(GENERIC_VNF_VNF_NAME)) { + /* + * If the onset is enriched with the vnf-id, we don't need an A&AI response + */ + if (virtualOnset.getAAI().containsKey(GENERIC_VNF_VNF_ID)) { + return virtualOnset.getAAI().get(GENERIC_VNF_VNF_ID); + } + + /* + * If the vnf-name was retrieved from the onset then the vnf-id must be obtained + * from the event manager's A&AI GET query + */ + String vnfId = this.eventManager.getVnfResponse().getVnfID(); + if (vnfId == null) { + throw new AAIException("No vnf-id found"); + } + return vnfId; + } + throw new ControlLoopException("Target does not match target type"); + default: + throw new ControlLoopException("The target type is not supported"); + } + } + + /** + * Construct an instance. + * + * @param onset the onset event + * @param policy the policy + * @param em the event manager + * @throws ControlLoopException if an error occurs + * @throws AAIException if an error occurs retrieving information from A&AI + */ + public ControlLoopOperationManager(ControlLoopEvent onset, Policy policy, ControlLoopEventManager em) + throws ControlLoopException, AAIException { + this.onset = onset; + this.policy = policy; + this.guardApprovalStatus = "NONE"; + this.eventManager = em; + this.targetEntity = getTarget(policy); + + // + // Let's make a sanity check + // + switch (policy.getActor()) { + case "APPC": + if ("ModifyConfig".equalsIgnoreCase(policy.getRecipe())) { + /* + * The target vnf-id may not be the same as the source vnf-id specified in the + * yaml, the target vnf-id is retrieved by a named query to A&AI. + */ + String targetVnf = AppcLcmActorServiceProvider.vnfNamedQuery(policy.getTarget().getResourceID(), + this.targetEntity); + this.targetEntity = targetVnf; + } + break; + case "SO": + break; + case "VFC": + break; + default: + throw new ControlLoopException("ControlLoopEventManager: policy has an unknown actor."); + } + } + + /** + * Start an operation. + * + * @param onset the onset event + * @return the operation request + * @throws ControlLoopException if an error occurs + */ + public Object startOperation(/* VirtualControlLoopEvent */ControlLoopEvent onset) throws ControlLoopException { + verifyOperatonCanRun(); + + // + // Setup + // + this.policyResult = null; + Operation operation = new Operation(); + operation.attempt = ++this.attempts; + operation.clOperation.setActor(this.policy.getActor()); + operation.clOperation.setOperation(this.policy.getRecipe()); + operation.clOperation.setTarget(this.policy.getTarget().toString()); + operation.clOperation.setSubRequestId(Integer.toString(operation.attempt)); + // + // Now determine which actor we need to construct a request for + // + switch (policy.getActor()) { + case "APPC": + /* + * If the recipe is ModifyConfig, a legacy APPC request is constructed. Otherwise an + * LCMRequest is constructed. + */ + this.currentOperation = operation; + if ("ModifyConfig".equalsIgnoreCase(policy.getRecipe())) { + this.operationRequest = APPCActorServiceProvider.constructRequest((VirtualControlLoopEvent) onset, + operation.clOperation, this.policy, this.targetEntity); + } else { + this.operationRequest = AppcLcmActorServiceProvider.constructRequest( + (VirtualControlLoopEvent) onset, operation.clOperation, this.policy, this.targetEntity); + } + // + // Save the operation + // + + return operationRequest; + case "SO": + SOActorServiceProvider soActorSp = new SOActorServiceProvider(); + this.operationRequest = + soActorSp.constructRequest((VirtualControlLoopEvent) onset, operation.clOperation, this.policy); + + // Save the operation + this.currentOperation = operation; + + if (this.operationRequest == null) { + this.policyResult = PolicyResult.FAILURE; + } + + return operationRequest; + case "VFC": + this.operationRequest = VFCActorServiceProvider.constructRequest((VirtualControlLoopEvent) onset, + operation.clOperation, this.policy, this.eventManager.getVnfResponse()); + this.currentOperation = operation; + if (this.operationRequest == null) { + this.policyResult = PolicyResult.FAILURE; + } + return operationRequest; + default: + throw new ControlLoopException("invalid actor " + policy.getActor() + " on policy"); + } + } + + /** + * Handle a response. + * + * @param response the response + * @return a PolicyResult + */ + public PolicyResult onResponse(Object response) { + // + // Which response is it? + // + if (response instanceof Response) { + // + // Cast APPC response and handle it + // + return onResponse((Response) response); + } else if (response instanceof LCMResponseWrapper) { + // + // Cast LCM response and handle it + // + return onResponse((LCMResponseWrapper) response); + } else if (response instanceof SOResponseWrapper) { + // + // Cast SO response and handle it + // + return onResponse((SOResponseWrapper) response); + } else if (response instanceof VFCResponse) { + // + // Cast VFC response and handle it + // + return onResponse((VFCResponse) response); + } else { + return null; + } + } + + /** + * This method handles operation responses from APPC. + * + * @param appcResponse the APPC response + * @return The result of the response handling + */ + private PolicyResult onResponse(Response appcResponse) { + // + // Determine which subrequestID (ie. attempt) + // + Integer operationAttempt = null; + try { + operationAttempt = Integer.parseInt(appcResponse.getCommonHeader().getSubRequestID()); + } catch (NumberFormatException e) { + // + // We cannot tell what happened if this doesn't exist + // + this.completeOperation(operationAttempt, "Policy was unable to parse APP-C SubRequestID (it was null).", + PolicyResult.FAILURE_EXCEPTION); + return PolicyResult.FAILURE_EXCEPTION; + } + // + // Sanity check the response message + // + if (appcResponse.getStatus() == null) { + // + // We cannot tell what happened if this doesn't exist + // + this.completeOperation(operationAttempt, + "Policy was unable to parse APP-C response status field (it was null).", + PolicyResult.FAILURE_EXCEPTION); + return PolicyResult.FAILURE_EXCEPTION; + } + // + // Get the Response Code + // + ResponseCode code = ResponseCode.toResponseCode(appcResponse.getStatus().getCode()); + if (code == null) { + // + // We are unaware of this code + // + this.completeOperation(operationAttempt, "Policy was unable to parse APP-C response status code field.", + PolicyResult.FAILURE_EXCEPTION); + return PolicyResult.FAILURE_EXCEPTION; + } + // + // Ok, let's figure out what APP-C's response is + // + switch (code) { + case ACCEPT: + // + // This is good, they got our original message and + // acknowledged it. + // + // Is there any need to track this? + // + return null; + case ERROR: + case REJECT: + // + // We'll consider these two codes as exceptions + // + this.completeOperation(operationAttempt, appcResponse.getStatus().getDescription(), + PolicyResult.FAILURE_EXCEPTION); + if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { + return null; + } + return PolicyResult.FAILURE_EXCEPTION; + case SUCCESS: + // + // + // + this.completeOperation(operationAttempt, appcResponse.getStatus().getDescription(), + PolicyResult.SUCCESS); + if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { + return null; + } + return PolicyResult.SUCCESS; + case FAILURE: + // + // + // + this.completeOperation(operationAttempt, appcResponse.getStatus().getDescription(), + PolicyResult.FAILURE); + if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { + return null; + } + return PolicyResult.FAILURE; + default: + return null; + } + } + + /** + * This method handles operation responses from LCM. + * + * @param dmaapResponse the LCM response + * @return The result of the response handling + */ + private PolicyResult onResponse(LCMResponseWrapper dmaapResponse) { + /* + * Parse out the operation attempt using the subrequestid + */ + Integer operationAttempt = AppcLcmActorServiceProvider + .parseOperationAttempt(dmaapResponse.getBody().getCommonHeader().getSubRequestId()); + if (operationAttempt == null) { + this.completeOperation(operationAttempt, "Policy was unable to parse APP-C SubRequestID (it was null).", + PolicyResult.FAILURE_EXCEPTION); + } + + /* + * Process the APPCLCM response to see what PolicyResult should be returned + */ + AbstractMap.SimpleEntry<PolicyResult, String> result = + AppcLcmActorServiceProvider.processResponse(dmaapResponse); + + if (result.getKey() != null) { + this.completeOperation(operationAttempt, result.getValue(), result.getKey()); + if (PolicyResult.FAILURE_TIMEOUT.equals(this.policyResult)) { + return null; + } + return result.getKey(); + } + return null; + } + + /** + * This method handles operation responses from SO. + * + * @param msoResponse the SO response + * @return The result of the response handling + */ + private PolicyResult onResponse(SOResponseWrapper msoResponse) { + switch (msoResponse.getSoResponse().getHttpResponseCode()) { + case 200: + case 202: + // + // Consider it as success + // + this.completeOperation(this.attempts, msoResponse.getSoResponse().getHttpResponseCode() + " Success", + PolicyResult.SUCCESS); + if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { + return null; + } + return PolicyResult.SUCCESS; + default: + // + // Consider it as failure + // + this.completeOperation(this.attempts, msoResponse.getSoResponse().getHttpResponseCode() + " Failed", + PolicyResult.FAILURE); + if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { + return null; + } + return PolicyResult.FAILURE; + } + } + + /** + * This method handles operation responses from VFC. + * + * @param vfcResponse the VFC response + * @return The result of the response handling + */ + private PolicyResult onResponse(VFCResponse vfcResponse) { + if (vfcResponse.getResponseDescriptor().getStatus().equalsIgnoreCase("finished")) { + // + // Consider it as success + // + this.completeOperation(this.attempts, " Success", PolicyResult.SUCCESS); + if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { + return null; + } + return PolicyResult.SUCCESS; + } else { + // + // Consider it as failure + // + this.completeOperation(this.attempts, " Failed", PolicyResult.FAILURE); + if (this.policyResult != null && this.policyResult.equals(PolicyResult.FAILURE_TIMEOUT)) { + return null; + } + // increment operation attempts for retries + this.attempts += 1; + return PolicyResult.FAILURE; + } + } + + /** + * Get the operation timeout. + * + * @return the timeout + */ + public Integer getOperationTimeout() { + // + // Sanity check + // + if (this.policy == null) { + logger.debug("getOperationTimeout returning 0"); + return 0; + } + logger.debug("getOperationTimeout returning {}", this.policy.getTimeout()); + return this.policy.getTimeout(); + } + + /** + * Get the operation timeout as a String. + * + * @param defaultTimeout the default timeout + * @return the timeout as a String + */ + public String getOperationTimeoutString(int defaultTimeout) { + Integer to = this.getOperationTimeout(); + if (to == null || to == 0) { + return Integer.toString(defaultTimeout) + "s"; + } + return to.toString() + "s"; + } + + public PolicyResult getOperationResult() { + return this.policyResult; + } + + /** + * Get the operation as a message. + * + * @return the operation as a message + */ + public String getOperationMessage() { + if (this.currentOperation != null && this.currentOperation.clOperation != null) { + return this.currentOperation.clOperation.toMessage(); + } + + if (!this.operationHistory.isEmpty()) { + return this.operationHistory.getLast().clOperation.toMessage(); + } + return null; + } + + /** + * Get the operation as a message including the guard result. + * + * @param guardResult the guard result + * @return the operation as a message including the guard result + */ + public String getOperationMessage(String guardResult) { + if (this.currentOperation != null && this.currentOperation.clOperation != null) { + return this.currentOperation.clOperation.toMessage() + ", Guard result: " + guardResult; + } + + if (!this.operationHistory.isEmpty()) { + return this.operationHistory.getLast().clOperation.toMessage() + ", Guard result: " + guardResult; + } + return null; + } + + /** + * Get the operation history. + * + * @return the operation history + */ + public String getOperationHistory() { + if (this.currentOperation != null && this.currentOperation.clOperation != null) { + return this.currentOperation.clOperation.toHistory(); + } + + if (!this.operationHistory.isEmpty()) { + return this.operationHistory.getLast().clOperation.toHistory(); + } + return null; + } + + /** + * Get the history. + * + * @return the list of control loop operations + */ + public List<ControlLoopOperation> getHistory() { + LinkedList<ControlLoopOperation> history = new LinkedList<>(); + for (Operation op : this.operationHistory) { + history.add(new ControlLoopOperation(op.clOperation)); + + } + return history; + } + + /** + * Set the operation has timed out. + */ + public void setOperationHasTimedOut() { + // + // + // + this.completeOperation(this.attempts, "Operation timed out", PolicyResult.FAILURE_TIMEOUT); + } + + /** + * Set the operation has been denied by guard. + */ + public void setOperationHasGuardDeny() { + // + // + // + this.completeOperation(this.attempts, "Operation denied by Guard", PolicyResult.FAILURE_GUARD); + } + + public void setOperationHasException(String message) { + this.completeOperation(this.attempts, message, PolicyResult.FAILURE_EXCEPTION); + } + + /** + * Is the operation complete. + * + * @return <code>true</code> if the operation is complete, <code>false</code> otherwise + */ + public boolean isOperationComplete() { + // + // Is there currently a result? + // + if (this.policyResult == null) { + // + // either we are in process or we + // haven't started + // + return false; + } + // + // We have some result, check if the operation failed + // + if (this.policyResult.equals(PolicyResult.FAILURE)) { + // + // Check if there were no retries specified + // + if (policy.getRetry() == null || policy.getRetry() == 0) { + // + // The result is the failure + // + return true; + } + // + // Check retries + // + if (this.isRetriesMaxedOut()) { + // + // No more attempts allowed, reset + // that our actual result is failure due to retries + // + this.policyResult = PolicyResult.FAILURE_RETRIES; + return true; + } else { + // + // There are more attempts available to try the + // policy recipe. + // + return false; + } + } + // + // Other results mean we are done + // + return true; + } + + public boolean isOperationRunning() { + return (this.currentOperation != null); + } + + /** + * This method verifies that the operation manager may run an operation. + * + * @return True if the operation can run, false otherwise + * @throws ControlLoopException if the operation cannot run + */ + private void verifyOperatonCanRun() throws ControlLoopException { + // + // They shouldn't call us if we currently running something + // + if (this.currentOperation != null) { + // + // what do we do if we are already running an operation? + // + throw new ControlLoopException("current operation is not null (an operation is already running)"); + } + // + // Check if we have maxed out on retries + // + if (this.policy.getRetry() == null || this.policy.getRetry() < 1) { + // + // No retries are allowed, so check have we even made + // one attempt to execute the operation? + // + if (this.attempts >= 1) { + // + // We have, let's ensure our PolicyResult is set + // + if (this.policyResult == null) { + this.policyResult = PolicyResult.FAILURE_RETRIES; + } + // + // + // + throw new ControlLoopException("current operation failed and retries are not allowed"); + } + } else { + // + // Have we maxed out on retries? + // + if (this.attempts > this.policy.getRetry()) { + if (this.policyResult == null) { + this.policyResult = PolicyResult.FAILURE_RETRIES; + } + throw new ControlLoopException("current oepration has failed after " + this.attempts + " retries"); + } + } + + return; + } + + private boolean isRetriesMaxedOut() { + if (policy.getRetry() == null || policy.getRetry() == 0) { + // + // There were NO retries specified, so declare + // this as completed. + // + return (this.attempts > 0); + } + return (this.attempts > policy.getRetry()); + } + + private void storeOperationInDataBase() { + // Only store in DB if enabled + boolean guardEnabled = "false".equalsIgnoreCase(PolicyEngine.manager.getEnvironmentProperty("guard.disabled")); + if (!guardEnabled) { + return; + } + + + // DB Properties + Properties props = new Properties(); + if (PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_URL) != null + && PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_USER) != null + && PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_PASS) != null) { + props.put(Util.ECLIPSE_LINK_KEY_URL, PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_URL)); + props.put(Util.ECLIPSE_LINK_KEY_USER, PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_USER)); + props.put(Util.ECLIPSE_LINK_KEY_PASS, PolicyEngine.manager.getEnvironmentProperty(Util.ONAP_KEY_PASS)); + props.put(PersistenceUnitProperties.CLASSLOADER, ControlLoopOperationManager.class.getClassLoader()); + } + + + String opsHistPu = System.getProperty("OperationsHistoryPU"); + if (opsHistPu == null || !opsHistPu.equals("TestOperationsHistoryPU")) { + opsHistPu = "OperationsHistoryPU"; + } else { + props.clear(); + } + EntityManager em; + try { + em = Persistence.createEntityManagerFactory(opsHistPu, props).createEntityManager(); + } catch (Exception e) { + logger.error("storeOperationInDataBase threw: ", e); + return; + } + + OperationsHistoryDbEntry newEntry = new OperationsHistoryDbEntry(); + + newEntry.setClosedLoopName(this.onset.getClosedLoopControlName()); + newEntry.setRequestId(this.onset.getRequestID().toString()); + newEntry.setActor(this.currentOperation.clOperation.getActor()); + newEntry.setOperation(this.currentOperation.clOperation.getOperation()); + newEntry.setTarget(this.targetEntity); + newEntry.setStarttime(Timestamp.from(this.currentOperation.clOperation.getStart())); + newEntry.setSubrequestId(this.currentOperation.clOperation.getSubRequestId()); + newEntry.setEndtime(new Timestamp(this.currentOperation.clOperation.getEnd().toEpochMilli())); + newEntry.setMessage(this.currentOperation.clOperation.getMessage()); + newEntry.setOutcome(this.currentOperation.clOperation.getOutcome()); + + em.getTransaction().begin(); + em.persist(newEntry); + em.getTransaction().commit(); + + em.close(); + } + + private void completeOperation(Integer attempt, String message, PolicyResult result) { + if (attempt == null) { + logger.debug("attempt cannot be null (i.e. subRequestID)"); + return; + } + if (this.currentOperation != null) { + if (this.currentOperation.attempt == attempt.intValue()) { + this.currentOperation.clOperation.setEnd(Instant.now()); + this.currentOperation.clOperation.setMessage(message); + this.currentOperation.clOperation.setOutcome(result.toString()); + this.currentOperation.policyResult = result; + // + // Save it in history + // + this.operationHistory.add(this.currentOperation); + this.storeOperationInDataBase(); + // + // Set our last result + // + this.policyResult = result; + // + // Clear the current operation field + // + this.currentOperation = null; + return; + } + logger.debug("not current"); + } + for (Operation op : this.operationHistory) { + if (op.attempt == attempt.intValue()) { + op.clOperation.setEnd(Instant.now()); + op.clOperation.setMessage(message); + op.clOperation.setOutcome(result.toString()); + op.policyResult = result; + return; + } + } + logger.debug("Could not find associated operation"); + + } } diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/OperationsHistoryDbEntry.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/OperationsHistoryDbEntry.java index 30273d377..002f39119 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/OperationsHistoryDbEntry.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/OperationsHistoryDbEntry.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * controlloop * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -30,92 +30,115 @@ import javax.persistence.Id; import javax.persistence.Table; @Entity -@Table(name="operationshistory10") +@Table(name = "operationshistory10") public class OperationsHistoryDbEntry implements Serializable { - private static final long serialVersionUID = 1L; - - @Id@GeneratedValue - @Column(name="ROWID") - public long rowid; - - @Column(name="CLNAME") - private String closedLoopName; - - private String requestId; - private String actor; - private String operation; - private String target; - private Timestamp starttime; - private Timestamp endtime; - private String subrequestId; - private String outcome; - private String message; - public long getRowid() { - return rowid; - } - public void setRowid(long rowid) { - this.rowid = rowid; - } - public String getClosedLoopName() { - return closedLoopName; - } - public void setClosedLoopName(String closedLoopName) { - this.closedLoopName = closedLoopName; - } - public String getRequestId() { - return requestId; - } - public void setRequestId(String requestId) { - this.requestId = requestId; - } - public String getActor() { - return actor; - } - public void setActor(String actor) { - this.actor = actor; - } - public String getOperation() { - return operation; - } - public void setOperation(String operation) { - this.operation = operation; - } - public String getTarget() { - return target; - } - public void setTarget(String target) { - this.target = target; - } - public Timestamp getStarttime() { - return starttime; - } - public void setStarttime(Timestamp starttime) { - this.starttime = starttime; - } - public Timestamp getEndtime() { - return endtime; - } - public void setEndtime(Timestamp endtime) { - this.endtime = endtime; - } - public String getSubrequestId() { - return subrequestId; - } - public void setSubrequestId(String subrequestId) { - this.subrequestId = subrequestId; - } - public String getOutcome() { - return outcome; - } - public void setOutcome(String outcome) { - this.outcome = outcome; - } - public String getMessage() { - return message; - } - public void setMessage(String message) { - this.message = message; - } + private static final long serialVersionUID = 1L; + + @Id + @GeneratedValue + @Column(name = "ROWID") + public long rowid; + + @Column(name = "CLNAME") + private String closedLoopName; + + private String requestId; + private String actor; + private String operation; + private String target; + private Timestamp starttime; + private Timestamp endtime; + private String subrequestId; + private String outcome; + private String message; + + public long getRowid() { + return rowid; + } + + public void setRowid(long rowid) { + this.rowid = rowid; + } + + public String getClosedLoopName() { + return closedLoopName; + } + + public void setClosedLoopName(String closedLoopName) { + this.closedLoopName = closedLoopName; + } + + public String getRequestId() { + return requestId; + } + + public void setRequestId(String requestId) { + this.requestId = requestId; + } + + public String getActor() { + return actor; + } + + public void setActor(String actor) { + this.actor = actor; + } + + public String getOperation() { + return operation; + } + + public void setOperation(String operation) { + this.operation = operation; + } + + public String getTarget() { + return target; + } + + public void setTarget(String target) { + this.target = target; + } + + public Timestamp getStarttime() { + return starttime; + } + + public void setStarttime(Timestamp starttime) { + this.starttime = starttime; + } + + public Timestamp getEndtime() { + return endtime; + } + + public void setEndtime(Timestamp endtime) { + this.endtime = endtime; + } + + public String getSubrequestId() { + return subrequestId; + } + + public void setSubrequestId(String subrequestId) { + this.subrequestId = subrequestId; + } + + public String getOutcome() { + return outcome; + } + + public void setOutcome(String outcome) { + this.outcome = outcome; + } + + public String getMessage() { + return message; + } + + public void setMessage(String message) { + this.message = message; + } } diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/impl/ControlLoopLoggerStdOutImpl.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/impl/ControlLoopLoggerStdOutImpl.java index 33042a915..fbff87fdd 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/impl/ControlLoopLoggerStdOutImpl.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/impl/ControlLoopLoggerStdOutImpl.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * controlloop * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -24,23 +24,23 @@ package org.onap.policy.controlloop.impl; import org.onap.policy.controlloop.ControlLoopLogger; public class ControlLoopLoggerStdOutImpl implements ControlLoopLogger { - @Override - public void info(String... parameters) { - StringBuilder builder = new StringBuilder(); - for (String param : parameters) { - builder.append(param); - builder.append(" " ); - } - System.out.println(builder.toString().trim()); - } + @Override + public void info(String... parameters) { + StringBuilder builder = new StringBuilder(); + for (String param : parameters) { + builder.append(param); + builder.append(" "); + } + System.out.println(builder.toString().trim()); + } - @Override - public void metrics(String... msgs) { - this.info(msgs); - } + @Override + public void metrics(String... msgs) { + this.info(msgs); + } - @Override - public void metrics(Object obj) { - this.info(obj.toString()); - } + @Override + public void metrics(Object obj) { + this.info(obj.toString()); + } } diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/impl/ControlLoopPublisherJUnitImpl.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/impl/ControlLoopPublisherJUnitImpl.java index eb50ac36e..13f52e36e 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/impl/ControlLoopPublisherJUnitImpl.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/impl/ControlLoopPublisherJUnitImpl.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * controlloop * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -23,8 +23,9 @@ package org.onap.policy.controlloop.impl; import org.onap.policy.controlloop.ControlLoopPublisher; public class ControlLoopPublisherJUnitImpl implements ControlLoopPublisher { - @Override - public void publish(Object object) { - throw new UnsupportedOperationException("publish() method is not implemented on " + this.getClass().getCanonicalName()); - } + @Override + public void publish(Object object) { + throw new UnsupportedOperationException( + "publish() method is not implemented on " + this.getClass().getCanonicalName()); + } } diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/processor/ControlLoopProcessor.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/processor/ControlLoopProcessor.java index 451244392..3dbc25fcf 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/processor/ControlLoopProcessor.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/processor/ControlLoopProcessor.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * controlloop processor * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -31,76 +31,96 @@ import org.yaml.snakeyaml.constructor.CustomClassLoaderConstructor; public class ControlLoopProcessor { - private final String yaml; - private final ControlLoopPolicy policy; - private String currentNestedPolicyID = null; + private final String yaml; + private final ControlLoopPolicy policy; + private String currentNestedPolicyId = null; - public ControlLoopProcessor(String yaml) throws ControlLoopException { - this.yaml = yaml; - try { - final Yaml y = new Yaml(new CustomClassLoaderConstructor(ControlLoopPolicy.class, ControlLoopPolicy.class.getClassLoader())); - final Object obj = y.load(this.yaml); + /** + * Construct an instance from yaml. + * + * @param yaml the yaml + * @throws ControlLoopException if an error occurs + */ + public ControlLoopProcessor(String yaml) throws ControlLoopException { + this.yaml = yaml; + try { + final Yaml y = new Yaml(new CustomClassLoaderConstructor(ControlLoopPolicy.class, + ControlLoopPolicy.class.getClassLoader())); + final Object obj = y.load(this.yaml); - this.policy = (ControlLoopPolicy) obj; - this.currentNestedPolicyID = this.policy.getControlLoop().getTrigger_policy(); - } catch (final Exception e) { - // - // Most likely this is a YAML Exception - // - throw new ControlLoopException(e); - } - } + this.policy = (ControlLoopPolicy) obj; + this.currentNestedPolicyId = this.policy.getControlLoop().getTrigger_policy(); + } catch (final Exception e) { + // + // Most likely this is a YAML Exception + // + throw new ControlLoopException(e); + } + } - public ControlLoop getControlLoop() { - return this.policy.getControlLoop(); - } + public ControlLoop getControlLoop() { + return this.policy.getControlLoop(); + } - public FinalResult checkIsCurrentPolicyFinal() { - return FinalResult.toResult(this.currentNestedPolicyID); - } + public FinalResult checkIsCurrentPolicyFinal() { + return FinalResult.toResult(this.currentNestedPolicyId); + } - public Policy getCurrentPolicy() throws ControlLoopException { - if (this.policy == null || this.policy.getPolicies() == null) { - throw new ControlLoopException("There are no policies defined."); - } + /** + * Get the current policy. + * + * @return the current policy + * @throws ControlLoopException if an error occurs + */ + public Policy getCurrentPolicy() throws ControlLoopException { + if (this.policy == null || this.policy.getPolicies() == null) { + throw new ControlLoopException("There are no policies defined."); + } - for (final Policy nestedPolicy : this.policy.getPolicies()) { - if (nestedPolicy.getId().equals(this.currentNestedPolicyID)) { - return nestedPolicy; - } - } - return null; - } + for (final Policy nestedPolicy : this.policy.getPolicies()) { + if (nestedPolicy.getId().equals(this.currentNestedPolicyId)) { + return nestedPolicy; + } + } + return null; + } - public void nextPolicyForResult(PolicyResult result) throws ControlLoopException { - final Policy currentPolicy = this.getCurrentPolicy(); - try { - if (currentPolicy == null) { - throw new ControlLoopException("There is no current policy to determine where to go to."); - } - switch (result) { - case SUCCESS: - this.currentNestedPolicyID = currentPolicy.getSuccess(); - break; - case FAILURE: - this.currentNestedPolicyID = currentPolicy.getFailure(); - break; - case FAILURE_TIMEOUT: - this.currentNestedPolicyID = currentPolicy.getFailure_timeout(); - break; - case FAILURE_RETRIES: - this.currentNestedPolicyID = currentPolicy.getFailure_retries(); - break; - case FAILURE_EXCEPTION: - this.currentNestedPolicyID = currentPolicy.getFailure_exception(); - break; - case FAILURE_GUARD: - this.currentNestedPolicyID = currentPolicy.getFailure_guard(); - break; - } - } catch (final ControlLoopException e) { - this.currentNestedPolicyID = FinalResult.FINAL_FAILURE_EXCEPTION.toString(); - throw e; - } - } + /** + * Get the next policy given a result of the current policy. + * + * @param result the result of the current policy + * @throws ControlLoopException if an error occurs + */ + public void nextPolicyForResult(PolicyResult result) throws ControlLoopException { + final Policy currentPolicy = this.getCurrentPolicy(); + try { + if (currentPolicy == null) { + throw new ControlLoopException("There is no current policy to determine where to go to."); + } + switch (result) { + case SUCCESS: + this.currentNestedPolicyId = currentPolicy.getSuccess(); + break; + case FAILURE: + this.currentNestedPolicyId = currentPolicy.getFailure(); + break; + case FAILURE_TIMEOUT: + this.currentNestedPolicyId = currentPolicy.getFailure_timeout(); + break; + case FAILURE_RETRIES: + this.currentNestedPolicyId = currentPolicy.getFailure_retries(); + break; + case FAILURE_EXCEPTION: + this.currentNestedPolicyId = currentPolicy.getFailure_exception(); + break; + case FAILURE_GUARD: + default: + this.currentNestedPolicyId = currentPolicy.getFailure_guard(); + break; + } + } catch (final ControlLoopException e) { + this.currentNestedPolicyId = FinalResult.FINAL_FAILURE_EXCEPTION.toString(); + throw e; + } + } } diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngine.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngine.java index 7acaf370d..3bf364ea4 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngine.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngine.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * policy engine * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -17,8 +17,9 @@ * limitations under the License. * ============LICENSE_END========================================================= */ + package org.onap.policy.drools; public interface PolicyEngine { - public boolean deliver(String busType, String topic, Object obj); + public boolean deliver(String busType, String topic, Object obj); } diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngineListener.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngineListener.java index 5bd5d8d2c..419c31094 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngineListener.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngineListener.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * policy engine * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -20,14 +20,13 @@ package org.onap.policy.drools; +@FunctionalInterface public interface PolicyEngineListener { /** - * Any class that implements this interface will - * be notified of a new event on the queue in the - * PolicyEngineJUnitImpl + * Any class that implements this interface will be notified of a new event on the queue in the + * PolicyEngineJUnitImpl. * - * @param topic a key to the queue that contains - * the event + * @param topic a key to the queue that contains the event */ public void newEventNotification(String topic); } diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/impl/PolicyEngineJUnitImpl.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/impl/PolicyEngineJUnitImpl.java index e94657fee..d5f73c741 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/impl/PolicyEngineJUnitImpl.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/impl/PolicyEngineJUnitImpl.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * policy engine * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -31,111 +31,118 @@ import org.onap.policy.appc.Request; import org.onap.policy.appclcm.LCMRequestWrapper; import org.onap.policy.controlloop.ControlLoopNotification; import org.onap.policy.controlloop.util.Serialization; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - import org.onap.policy.drools.PolicyEngine; import org.onap.policy.drools.PolicyEngineListener; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; public class PolicyEngineJUnitImpl implements PolicyEngine { - private static final Logger logger = LoggerFactory.getLogger(PolicyEngineJUnitImpl.class); - private Map<String, Map<String, Queue<Object>>> busMap = new HashMap<>(); - private List<PolicyEngineListener> listeners = new ArrayList<>(); + private static final Logger logger = LoggerFactory.getLogger(PolicyEngineJUnitImpl.class); + private Map<String, Map<String, Queue<Object>>> busMap = new HashMap<>(); + private List<PolicyEngineListener> listeners = new ArrayList<>(); - /** - * Adds all objects that implement PolicyEngineListener - * to the notification list when an event occurs - * - * @param listener an object that is interest in knowing - * about events published to the PolicyEngine - */ - public void addListener(PolicyEngineListener listener) { - listeners.add(listener); - } + /** + * Adds all objects that implement PolicyEngineListener to the notification list when an event + * occurs. + * + * @param listener an object that is interest in knowing about events published to the + * PolicyEngine + */ + public void addListener(PolicyEngineListener listener) { + listeners.add(listener); + } - /** - * Notifies all listeners about a new event - * @param topic the topic in which the notification - * was sent to - */ - public void notifyListeners(String topic) { - for (PolicyEngineListener listener: listeners) { - listener.newEventNotification(topic); - } - } + /** + * Notifies all listeners about a new event. + * + * @param topic the topic in which the notification was sent to + */ + public void notifyListeners(String topic) { + for (PolicyEngineListener listener : listeners) { + listener.newEventNotification(topic); + } + } - @Override - public boolean deliver(String busType, String topic, Object obj) { - if (obj instanceof ControlLoopNotification) { - ControlLoopNotification notification = (ControlLoopNotification) obj; - if (logger.isDebugEnabled()) { - logger.debug(Serialization.gsonPretty.toJson(notification)); - } - } - if (obj instanceof Request) { - Request request = (Request) obj; - logger.debug("Request: {} subrequest {}", request.getAction(), request.getCommonHeader().getSubRequestID()); - } - else if (obj instanceof LCMRequestWrapper) { - LCMRequestWrapper dmaapRequest = (LCMRequestWrapper) obj; - logger.debug("Request: {} subrequest {}", dmaapRequest.getBody().getAction(), dmaapRequest.getBody().getCommonHeader().getSubRequestId()); - } - // - // Does the bus exist? - // - if (!busMap.containsKey(busType)) { - logger.debug("creating new bus type {}", busType); - // - // Create the bus - // - busMap.put(busType, new HashMap<>()); - } - // - // Get the bus - // - Map<String, Queue<Object>> topicMap = busMap.get(busType); - // - // Does the topic exist? - // - if (!topicMap.containsKey(topic)) { - logger.debug("creating new topic {}", topic); - // - // Create the topic - // - topicMap.put(topic, new LinkedList<>()); - } - // - // Get the topic queue - // - logger.debug("queueing"); - boolean res = topicMap.get(topic).add(obj); - notifyListeners(topic); - return res; - } + @Override + public boolean deliver(String busType, String topic, Object obj) { + if (obj instanceof ControlLoopNotification) { + ControlLoopNotification notification = (ControlLoopNotification) obj; + if (logger.isDebugEnabled()) { + logger.debug(Serialization.gsonPretty.toJson(notification)); + } + } + if (obj instanceof Request) { + Request request = (Request) obj; + logger.debug("Request: {} subrequest {}", request.getAction(), request.getCommonHeader().getSubRequestID()); + } else if (obj instanceof LCMRequestWrapper) { + LCMRequestWrapper dmaapRequest = (LCMRequestWrapper) obj; + logger.debug("Request: {} subrequest {}", dmaapRequest.getBody().getAction(), + dmaapRequest.getBody().getCommonHeader().getSubRequestId()); + } + // + // Does the bus exist? + // + if (!busMap.containsKey(busType)) { + logger.debug("creating new bus type {}", busType); + // + // Create the bus + // + busMap.put(busType, new HashMap<>()); + } + // + // Get the bus + // + Map<String, Queue<Object>> topicMap = busMap.get(busType); + // + // Does the topic exist? + // + if (!topicMap.containsKey(topic)) { + logger.debug("creating new topic {}", topic); + // + // Create the topic + // + topicMap.put(topic, new LinkedList<>()); + } + // + // Get the topic queue + // + logger.debug("queueing"); + boolean res = topicMap.get(topic).add(obj); + notifyListeners(topic); + return res; + } - public Object subscribe(String busType, String topic) { - // - // Does the bus exist? - // - if (busMap.containsKey(busType)) { - // - // Get the bus - // - Map<String, Queue<Object>> topicMap = busMap.get(busType); - // - // Does the topic exist? - // - if (topicMap.containsKey(topic)) { - logger.debug("The queue has {}", topicMap.get(topic).size()); - return topicMap.get(topic).poll(); - } else { - logger.error("No topic exists {}", topic); - } - } else { - logger.error("No bus exists {}", busType); - } - return null; - } + /** + * Subscribe to a topic on a bus. + * + * @param busType the bus type + * @param topic the topic + * @return the head of the queue, or <code>null</code> if the queue or bus does not exist or the + * queue is empty + */ + public Object subscribe(String busType, String topic) { + // + // Does the bus exist? + // + if (busMap.containsKey(busType)) { + // + // Get the bus + // + Map<String, Queue<Object>> topicMap = busMap.get(busType); + // + // Does the topic exist? + // + if (topicMap.containsKey(topic)) { + logger.debug("The queue has {}", topicMap.get(topic).size()); + return topicMap.get(topic).poll(); + } else { + logger.error("No topic exists {}", topic); + } + } else { + logger.error("No bus exists {}", busType); + } + return null; + } } |