diff options
Diffstat (limited to 'controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java')
-rw-r--r-- | controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java | 1207 |
1 files changed, 0 insertions, 1207 deletions
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 deleted file mode 100644 index d16468de2..000000000 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java +++ /dev/null @@ -1,1207 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * controlloop operation manager - * ================================================================================ - * Copyright (C) 2017-2020 AT&T Intellectual Property. All rights reserved. - * Modifications Copyright (C) 2019 Huawei Technologies Co., Ltd. All rights reserved. - * Modifications Copyright (C) 2019 Tech Mahindra - * Modifications Copyright (C) 2019 Bell Canada. - * ================================================================================ - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ============LICENSE_END========================================================= - */ - -package org.onap.policy.controlloop.eventmanager; - -import java.io.Serializable; -import java.sql.Timestamp; -import java.time.Instant; -import java.util.AbstractMap; -import java.util.HashMap; -import java.util.LinkedList; -import java.util.List; -import java.util.Map; -import java.util.NoSuchElementException; -import java.util.Optional; -import java.util.Properties; -import javax.persistence.EntityManager; -import javax.persistence.Persistence; -import org.apache.commons.lang3.tuple.Pair; -import org.eclipse.persistence.config.PersistenceUnitProperties; -import org.onap.aai.domain.yang.GenericVnf; -import org.onap.aai.domain.yang.ServiceInstance; -import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput; -import org.onap.policy.aai.AaiCqResponse; -import org.onap.policy.aai.util.AaiException; -import org.onap.policy.appc.Response; -import org.onap.policy.appc.ResponseCode; -import org.onap.policy.appclcm.AppcLcmDmaapWrapper; -import org.onap.policy.cds.CdsResponse; -import org.onap.policy.controlloop.ControlLoopEvent; -import org.onap.policy.controlloop.ControlLoopException; -import org.onap.policy.controlloop.ControlLoopOperation; -import org.onap.policy.controlloop.ControlLoopResponse; -import org.onap.policy.controlloop.VirtualControlLoopEvent; -import org.onap.policy.controlloop.actor.appc.AppcActor; -import org.onap.policy.controlloop.actor.appclcm.AppcLcmActor; -import org.onap.policy.controlloop.actor.cds.CdsActor; -import org.onap.policy.controlloop.actor.cds.constants.CdsActorConstants; -import org.onap.policy.controlloop.actor.sdnc.SdncActor; -import org.onap.policy.controlloop.actor.sdnr.SdnrActor; -import org.onap.policy.controlloop.actor.so.SoActor; -import org.onap.policy.controlloop.actor.vfc.VfcActor; -import org.onap.policy.controlloop.policy.Policy; -import org.onap.policy.controlloop.policy.PolicyResult; -import org.onap.policy.controlloop.policy.TargetType; -import org.onap.policy.drools.system.PolicyEngineConstants; -import org.onap.policy.guard.OperationsHistory; -import org.onap.policy.guard.Util; -import org.onap.policy.sdnc.SdncResponse; -import org.onap.policy.sdnr.PciResponseWrapper; -import org.onap.policy.so.SoResponseWrapper; -import org.onap.policy.vfc.VfcResponse; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -public class ControlLoopOperationManager implements Serializable { - private static final String SUCCESS_MSG = " Success"; - private static final String FAILED_MSG = " Failed"; - 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"; - - private static final String AAI_SERVICE_INSTANCE_ID_KEY = "service-instance.service-instance-id"; - private static final String PNF_NAME = "pnf.pnf-name"; - - // - // These properties are not changeable, but accessible - // for Drools Rule statements. - // - public final ControlLoopEvent onset; - public final Policy policy; - - // - // Properties used to track the Operation - // - private int attempts = 0; - private Operation currentOperation = null; - private LinkedList<Operation> operationHistory = new LinkedList<>(); - private PolicyResult policyResult = null; - private ControlLoopEventManager eventManager = null; - private String targetEntity; - private String guardApprovalStatus = "NONE"; // "NONE", "PERMIT", "DENY" - private AaiCqResponse aaiCqResponse; - private transient Object operationRequest; - - /** - * Construct an instance. - * - * @param onset the onset event - * @param policy the policy - * @param em the event manager - * @throws ControlLoopException if an error occurs - */ - public ControlLoopOperationManager(ControlLoopEvent onset, Policy policy, - ControlLoopEventManager em) throws ControlLoopException { - - this.onset = onset; - this.policy = policy; - this.guardApprovalStatus = "NONE"; - this.eventManager = em; - - try { - if (TargetType.VNF.equals(policy.getTarget().getType()) - || TargetType.VFMODULE.equals(policy.getTarget().getType())) { - this.aaiCqResponse = - this.eventManager.getCqResponse((VirtualControlLoopEvent) onset); - } - - this.targetEntity = getTarget(policy); - - initActor(policy); - - } catch (AaiException e) { - throw new ControlLoopException(e.getMessage(), e); - } - } - - private void initActor(Policy policy) throws AaiException, ControlLoopException { - // - // Let's make a sanity check - // - switch (policy.getActor()) { - case "APPC": - initAppc(policy); - break; - case "SO": - break; - case "SDNR": - break; - case "VFC": - break; - case "SDNC": - break; - case "CDS": - break; - default: - throw new ControlLoopException( - "ControlLoopEventManager: policy has an unknown actor."); - } - } - - private void initAppc(Policy policy) throws AaiException { - 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. - */ - GenericVnf genvnf = this.aaiCqResponse - .getGenericVnfByModelInvariantId(policy.getTarget().getResourceID()); - if (genvnf == null) { - logger.info("Target entity could not be found"); - throw new AaiException("Target vnf-id could not be found"); - } - this.targetEntity = genvnf.getVnfId(); - - } - } - - public ControlLoopEventManager getEventManager() { - return eventManager; - } - - public void setEventManager(ControlLoopEventManager eventManager) { - this.eventManager = eventManager; - } - - public String getTargetEntity() { - return this.targetEntity; - } - - @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 + "]"; - } - - // - // Internal class used for tracking - // - private class Operation implements Serializable { - private static final long serialVersionUID = 1L; - - 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 + "]"; - } - } - - 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 - */ - public String getTarget(Policy policy) throws ControlLoopException { - 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: - return getPnfTarget(); - case VM: - case VNF: - return getVfModuleTarget(); - case VFMODULE: - return getVfModuleTarget(); - default: - throw new ControlLoopException("The target type is not supported"); - } - } - - private String getVfModuleTarget() throws ControlLoopException { - VirtualControlLoopEvent virtualOnsetEvent = (VirtualControlLoopEvent) this.onset; - if (this.onset.getTarget().equalsIgnoreCase(VSERVER_VSERVER_NAME)) { - return virtualOnsetEvent.getAai().get(VSERVER_VSERVER_NAME); - } else if (this.onset.getTarget().equalsIgnoreCase(GENERIC_VNF_VNF_ID)) { - return virtualOnsetEvent.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 (virtualOnsetEvent.getAai().containsKey(GENERIC_VNF_VNF_ID)) { - return virtualOnsetEvent.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 - */ - try { - String vnfId = this.aaiCqResponse.getDefaultGenericVnf().getVnfId(); - if (vnfId == null) { - throw new AaiException("No vnf-id found"); - } - return vnfId; - - } catch (AaiException e) { - throw new ControlLoopException(e.getMessage(), e); - } - } - throw new ControlLoopException("Target does not match target type"); - } - - private String getPnfTarget() throws ControlLoopException { - VirtualControlLoopEvent virtualOnsetEvent = (VirtualControlLoopEvent) this.onset; - if (!PNF_NAME.equalsIgnoreCase(onset.getTarget())) { - throw new ControlLoopException( - "Target in the onset event is either null or does not match target key expected in AAI section."); - } - return virtualOnsetEvent.getAai().get(PNF_NAME); - } - - /** - * 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 - // - try { - switch (policy.getActor()) { - case "APPC": - return startAppcOperation(onset, operation); - case "SO": - return startSoOperation(onset, operation); - case "VFC": - return startVfcOperation(onset, operation); - case "SDNR": - return startSdnrOperation(onset, operation); - case "SDNC": - return startSdncOperation(onset, operation); - case "CDS": - return startCdsOperation(onset, operation); - default: - throw new ControlLoopException( - "invalid actor " + policy.getActor() + " on policy"); - } - - } catch (AaiException e) { - throw new ControlLoopException(e.getMessage(), e); - } - } - - private Object startAppcOperation(ControlLoopEvent onset, Operation operation) { - /* - * 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 = - AppcActor.constructRequest((VirtualControlLoopEvent) onset, - operation.clOperation, this.policy, this.targetEntity); - } else { - this.operationRequest = - AppcLcmActor.constructRequest((VirtualControlLoopEvent) onset, - operation.clOperation, this.policy, this.targetEntity); - } - // - // Save the operation - // - - return operationRequest; - } - - private Object startSoOperation(ControlLoopEvent onset, Operation operation) { - SoActor soActorSp = new SoActor(); - this.operationRequest = soActorSp.constructRequestCq((VirtualControlLoopEvent) onset, - operation.clOperation, this.policy, this.aaiCqResponse); - - // Save the operation - this.currentOperation = operation; - - if (this.operationRequest == null) { - this.policyResult = PolicyResult.FAILURE; - } - - return operationRequest; - } - - private Object startVfcOperation(ControlLoopEvent onset, Operation operation) { - this.operationRequest = - VfcActor.constructRequestCq((VirtualControlLoopEvent) onset, - operation.clOperation, this.policy, this.aaiCqResponse); - this.currentOperation = operation; - if (this.operationRequest == null) { - this.policyResult = PolicyResult.FAILURE; - } - return operationRequest; - } - - private Object startSdnrOperation(ControlLoopEvent onset, Operation operation) { - /* - * If the recipe is ModifyConfig or ModifyConfigANR, a SDNR request is constructed. - */ - this.currentOperation = operation; - this.operationRequest = SdnrActor - .constructRequest((VirtualControlLoopEvent) onset, operation.clOperation, this.policy); - // - // Save the operation - // - if (this.operationRequest == null) { - this.policyResult = PolicyResult.FAILURE; - } - - return operationRequest; - } - - private Object startSdncOperation(ControlLoopEvent onset, Operation operation) { - SdncActor provider = new SdncActor(); - this.operationRequest = provider.constructRequest((VirtualControlLoopEvent) onset, - operation.clOperation, this.policy); - this.currentOperation = operation; - if (this.operationRequest == null) { - this.policyResult = PolicyResult.FAILURE; - } - return operationRequest; - } - - private Object startCdsOperation(ControlLoopEvent onset, Operation operation) - throws AaiException { - - CdsActor provider = new CdsActor(); - Optional<ExecutionServiceInput> optionalRequest = - provider.constructRequest((VirtualControlLoopEvent) onset, operation.clOperation, - this.policy, this.buildAaiParams()); - - this.currentOperation = operation; - if (optionalRequest.isPresent()) { - this.operationRequest = optionalRequest.get(); - } else { - this.operationRequest = null; - this.policyResult = PolicyResult.FAILURE; - } - - return this.operationRequest; - } - - /** - * Build AAI parameters for CDS operation. - * - * @return a map containing vnf id key and value for the vnf to apply the action to. - * @throws AaiException if the vnf can not be found. - */ - private Map<String, String> buildAaiParams() throws AaiException { - - Map<String, String> result = new HashMap<>(); - - if (TargetType.VNF.equals(policy.getTarget().getType()) - || TargetType.VFMODULE.equals(policy.getTarget().getType())) { - - ServiceInstance serviceInstance = this.aaiCqResponse.getServiceInstance(); - if (serviceInstance == null) { - logger.info("Target entity service instance could not be found"); - throw new AaiException("Target service instance could not be found"); - } - - GenericVnf genericVnf = this.aaiCqResponse - .getGenericVnfByModelInvariantId(policy.getTarget().getResourceID()); - if (genericVnf == null) { - logger.info("Target entity generic vnf could not be found"); - throw new AaiException("Target generic vnf could not be found"); - } - - result.put(AAI_SERVICE_INSTANCE_ID_KEY, serviceInstance.getServiceInstanceId()); - result.put(GENERIC_VNF_VNF_ID, genericVnf.getVnfId()); - - } else if (TargetType.PNF.equals(policy.getTarget().getType())) { - result = this.eventManager.getPnf((VirtualControlLoopEvent) onset); - } - - return result; - - } - - /** - * 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 AppcLcmDmaapWrapper) { - // - // Cast LCM response and handle it - // - return onResponse((AppcLcmDmaapWrapper) response); - } else if (response instanceof PciResponseWrapper) { - // - // Cast SDNR response and handle it - // - return onResponse((PciResponseWrapper) 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 if (response instanceof SdncResponse) { - // - // Cast SDNC response and handle it - // - return onResponse((SdncResponse) response); - } else if (response instanceof CdsResponse) { - // - // Cast CDS response and handle it - // - return onResponse((CdsResponse) 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 = getSubRequestId(appcResponse); - if (operationAttempt == null) { - 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; - } - - return onResponse(appcResponse, operationAttempt, code); - } - - private PolicyResult onResponse(Response appcResponse, Integer operationAttempt, - ResponseCode code) { - // - // 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); - return getTimeoutResult(PolicyResult.FAILURE_EXCEPTION); - case SUCCESS: - // - // - // - this.completeOperation(operationAttempt, appcResponse.getStatus().getDescription(), - PolicyResult.SUCCESS); - return getTimeoutResult(PolicyResult.SUCCESS); - case FAILURE: - // - // - // - this.completeOperation(operationAttempt, appcResponse.getStatus().getDescription(), - PolicyResult.FAILURE); - return getTimeoutResult(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(AppcLcmDmaapWrapper dmaapResponse) { - /* - * Parse out the operation attempt using the subrequestid - */ - Integer operationAttempt = AppcLcmActor.parseOperationAttempt( - dmaapResponse.getBody().getOutput().getCommonHeader().getSubRequestId()); - if (operationAttempt == null) { - this.completeOperation(operationAttempt, - "Policy was unable to parse APP-C SubRequestID (it was null).", - PolicyResult.FAILURE_EXCEPTION); - return PolicyResult.FAILURE_EXCEPTION; - } - - /* - * Process the APPCLCM response to see what PolicyResult should be returned - */ - AbstractMap.SimpleEntry<PolicyResult, String> result = - AppcLcmActor.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 SDNR. - * - * @param dmaapResponse the SDNR response - * @return the result of the response handling - */ - private PolicyResult onResponse(PciResponseWrapper dmaapResponse) { - /* - * Parse out the operation attempt using the subrequestid - */ - Integer operationAttempt = SdnrActor - .parseOperationAttempt(dmaapResponse.getBody().getCommonHeader().getSubRequestId()); - if (operationAttempt == null) { - this.completeOperation(operationAttempt, - "Policy was unable to parse SDNR SubRequestID.", PolicyResult.FAILURE_EXCEPTION); - return PolicyResult.FAILURE_EXCEPTION; - } - - /* - * Process the SDNR response to see what PolicyResult should be returned - */ - Pair<PolicyResult, String> result = - SdnrActor.processResponse(dmaapResponse); - - if (result.getLeft() != null) { - this.completeOperation(operationAttempt, result.getRight(), result.getLeft()); - if (PolicyResult.FAILURE_TIMEOUT.equals(this.policyResult)) { - return null; - } - return result.getLeft(); - } - 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_MSG, - PolicyResult.SUCCESS); - return getTimeoutResult(PolicyResult.SUCCESS); - default: - // - // Consider it as failure - // - this.completeOperation(this.attempts, - msoResponse.getSoResponse().getHttpResponseCode() + FAILED_MSG, - PolicyResult.FAILURE); - return getTimeoutResult(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 ("finished".equalsIgnoreCase(vfcResponse.getResponseDescriptor().getStatus())) { - // - // Consider it as success - // - this.completeOperation(this.attempts, SUCCESS_MSG, PolicyResult.SUCCESS); - return getTimeoutResult(PolicyResult.SUCCESS); - } else { - // - // Consider it as failure - // - this.completeOperation(this.attempts, FAILED_MSG, PolicyResult.FAILURE); - if (PolicyResult.FAILURE_TIMEOUT.equals(this.policyResult)) { - return null; - } - // increment operation attempts for retries - this.attempts += 1; - return PolicyResult.FAILURE; - } - } - - /** - * This method handles operation responses from SDNC. - * - * @param sdncResponse the VFC response - * @return The result of the response handling - */ - private PolicyResult onResponse(SdncResponse sdncResponse) { - if ("200".equals(sdncResponse.getResponseOutput().getResponseCode())) { - // - // Consider it as success - // - this.completeOperation(this.attempts, SUCCESS_MSG, PolicyResult.SUCCESS); - return getTimeoutResult(PolicyResult.SUCCESS); - } else { - // - // Consider it as failure - // - this.completeOperation(this.attempts, FAILED_MSG, PolicyResult.FAILURE); - if (PolicyResult.FAILURE_TIMEOUT.equals(this.policyResult)) { - return null; - } - // increment operation attempts for retries - this.attempts += 1; - return PolicyResult.FAILURE; - } - } - - /** - * This method handles operation responses from CDS. - * - * @param response the CDS response - * @return The result of the response handling - */ - private PolicyResult onResponse(CdsResponse response) { - if (response != null && CdsActorConstants.SUCCESS.equals(response.getStatus())) { - // - // Consider it as success - // - this.completeOperation(this.attempts, SUCCESS_MSG, PolicyResult.SUCCESS); - return getTimeoutResult(PolicyResult.SUCCESS); - } else { - // - // Consider it as failure - // - this.completeOperation(this.attempts, FAILED_MSG, PolicyResult.FAILURE); - if (PolicyResult.FAILURE_TIMEOUT.equals(this.policyResult)) { - return null; - } - // increment operation attempts for retries - this.attempts += 1; - return PolicyResult.FAILURE; - } - } - - private PolicyResult getTimeoutResult(PolicyResult result) { - return (PolicyResult.FAILURE_TIMEOUT.equals(this.policyResult) ? null : result); - } - - private Integer getSubRequestId(Response appcResponse) { - try { - return Integer.valueOf(appcResponse.getCommonHeader().getSubRequestId()); - } catch (NumberFormatException e) { - // - // We cannot tell what happened if this doesn't exist - // - return null; - } - } - - /** - * 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 (getMaxRetries() < 1) { - // - // The result is the failure - // - return true; - } - // - // Check retries - // - if (this.attempts > getMaxRetries()) { - // - // 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 (getMaxRetries() < 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 > getMaxRetries()) { - if (this.policyResult == null) { - this.policyResult = PolicyResult.FAILURE_RETRIES; - } - throw new ControlLoopException( - "current oepration has failed after " + this.attempts + " retries"); - } - } - } - - /** - * Gets the maximum number of retries. - * - * @return the maximum number of retries, or {@code 0}, if not specified - */ - public int getMaxRetries() { - return (policy.getRetry() != null ? policy.getRetry() : 0); - } - - private void storeOperationInDataBase() { - // Only store in DB if enabled - boolean guardEnabled = "false".equalsIgnoreCase( - PolicyEngineConstants.getManager().getEnvironmentProperty("guard.disabled")); - if (!guardEnabled) { - return; - } - - // DB Properties - Properties props = new Properties(); - if (PolicyEngineConstants.getManager().getEnvironmentProperty(Util.ONAP_KEY_URL) != null - && PolicyEngineConstants.getManager().getEnvironmentProperty(Util.ONAP_KEY_USER) != null - && PolicyEngineConstants.getManager() - .getEnvironmentProperty(Util.ONAP_KEY_PASS) != null) { - props.put(Util.ECLIPSE_LINK_KEY_URL, - PolicyEngineConstants.getManager().getEnvironmentProperty(Util.ONAP_KEY_URL)); - props.put(Util.ECLIPSE_LINK_KEY_USER, - PolicyEngineConstants.getManager().getEnvironmentProperty(Util.ONAP_KEY_USER)); - props.put(Util.ECLIPSE_LINK_KEY_PASS, - PolicyEngineConstants.getManager().getEnvironmentProperty(Util.ONAP_KEY_PASS)); - props.put(PersistenceUnitProperties.CLASSLOADER, - ControlLoopOperationManager.class.getClassLoader()); - } - - String opsHistPu = System.getProperty("OperationsHistoryPU"); - if (!"OperationsHistoryPUTest".equals(opsHistPu)) { - opsHistPu = "OperationsHistoryPU"; - } else { - props.clear(); - } - EntityManager em; - try { - em = Persistence.createEntityManagerFactory(opsHistPu, props).createEntityManager(); - } catch (Exception e) { - logger.error("storeOperationInDataBase threw: ", e); - return; - } - - OperationsHistory newEntry = new OperationsHistory(); - - 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"); - } - - /** - * Commit the abatement to the history database. - * - * @param message the abatement message - * @param outcome the abatement outcome - */ - public void commitAbatement(String message, String outcome) { - logger.info("commitAbatement: {}. {}", message, outcome); - - if (this.currentOperation == null) { - try { - this.currentOperation = this.operationHistory.getLast(); - } catch (NoSuchElementException e) { - logger.error("{}: commitAbatement threw an exception ", this, e); - return; - } - } - this.currentOperation.clOperation.setEnd(Instant.now()); - this.currentOperation.clOperation.setMessage(message); - this.currentOperation.clOperation.setOutcome(outcome); - // - // Store commit in DB - // - this.storeOperationInDataBase(); - // - // Clear the current operation field - // - this.currentOperation = null; - } - - /** - * Construct a ControlLoopResponse object from actor response and input event. - * - * @param response the response from actor - * @param event the input event - * - * @return a ControlLoopResponse - */ - public ControlLoopResponse getControlLoopResponse(Object response, - VirtualControlLoopEvent event) { - if (response instanceof PciResponseWrapper) { - // - // Cast SDNR response and handle it - // - return SdnrActor.getControlLoopResponse((PciResponseWrapper) response, - event); - } else { - return null; - } - } - -} |