diff options
Diffstat (limited to 'controlloop/common/controller-usecases')
3 files changed, 1839 insertions, 3 deletions
diff --git a/controlloop/common/controller-usecases/src/main/java/org/onap/policy/drools/apps/controller/usecases/UsecasesEventManager.java b/controlloop/common/controller-usecases/src/main/java/org/onap/policy/drools/apps/controller/usecases/UsecasesEventManager.java new file mode 100644 index 000000000..cf8cc8ee3 --- /dev/null +++ b/controlloop/common/controller-usecases/src/main/java/org/onap/policy/drools/apps/controller/usecases/UsecasesEventManager.java @@ -0,0 +1,759 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2020 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. + * 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.drools.apps.controller.usecases; + +import static org.onap.policy.controlloop.ControlLoopTargetType.PNF; +import static org.onap.policy.controlloop.ControlLoopTargetType.VM; +import static org.onap.policy.controlloop.ControlLoopTargetType.VNF; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.GENERIC_VNF_IS_CLOSED_LOOP_DISABLED; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.GENERIC_VNF_PROV_STATUS; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.GENERIC_VNF_VNF_ID; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.GENERIC_VNF_VNF_NAME; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.PNF_IS_IN_MAINT; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.PNF_NAME; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.PROV_STATUS_ACTIVE; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.VM_NAME; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.VNF_NAME; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.VSERVER_IS_CLOSED_LOOP_DISABLED; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.VSERVER_PROV_STATUS; +import static org.onap.policy.drools.apps.controller.usecases.UsecasesConstants.VSERVER_VSERVER_NAME; + +import java.util.ArrayDeque; +import java.util.Deque; +import java.util.LinkedHashMap; +import java.util.LinkedList; +import java.util.Map; +import java.util.Set; +import java.util.stream.Collectors; +import java.util.stream.Stream; +import lombok.Getter; +import lombok.NonNull; +import lombok.Setter; +import lombok.ToString; +import org.apache.commons.lang3.StringUtils; +import org.drools.core.WorkingMemory; +import org.kie.api.runtime.rule.FactHandle; +import org.onap.policy.controlloop.ControlLoopEventStatus; +import org.onap.policy.controlloop.ControlLoopException; +import org.onap.policy.controlloop.ControlLoopNotificationType; +import org.onap.policy.controlloop.ControlLoopOperation; +import org.onap.policy.controlloop.ControlLoopResponse; +import org.onap.policy.controlloop.VirtualControlLoopEvent; +import org.onap.policy.controlloop.VirtualControlLoopNotification; +import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome; +import org.onap.policy.controlloop.actorserviceprovider.OperationProperties; +import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams; +import org.onap.policy.controlloop.drl.legacy.ControlLoopParams; +import org.onap.policy.controlloop.eventmanager.ActorConstants; +import org.onap.policy.controlloop.eventmanager.ControlLoopEventManager; +import org.onap.policy.controlloop.eventmanager.StepContext; +import org.onap.policy.controlloop.policy.FinalResult; +import org.onap.policy.controlloop.policy.Policy; +import org.onap.policy.controlloop.policy.PolicyResult; +import org.onap.policy.drools.apps.controller.usecases.step.AaiCqStep2; +import org.onap.policy.drools.apps.controller.usecases.step.AaiGetPnfStep2; +import org.onap.policy.drools.apps.controller.usecases.step.AaiGetTenantStep2; +import org.onap.policy.drools.apps.controller.usecases.step.GetTargetEntityStep2; +import org.onap.policy.drools.apps.controller.usecases.step.GuardStep2; +import org.onap.policy.drools.apps.controller.usecases.step.LockStep2; +import org.onap.policy.drools.apps.controller.usecases.step.Step2; +import org.onap.policy.drools.system.PolicyEngine; +import org.onap.policy.drools.system.PolicyEngineConstants; +import org.onap.policy.sdnr.PciMessage; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Manager for a single control loop event. Once this has been created, the event can be + * retracted from working memory. Processing progresses through each policy, which + * involves at least one step. As a step is processed, additional preprocessor steps may + * be pushed onto the queue (e.g., locks, A&AI queries, guards). + */ +@ToString(onlyExplicitlyIncluded = true) +public class UsecasesEventManager extends ControlLoopEventManager implements StepContext { + + private static final Logger logger = LoggerFactory.getLogger(UsecasesEventManager.class); + private static final long serialVersionUID = -1216568161322872641L; + + /** + * Maximum number of steps, for a single policy, allowed in the queue at a time. This + * prevents an infinite loop occurring with calls to {@link #loadPreprocessorSteps()}. + */ + public static final int MAX_STEPS = 30; + + /** + * If there's a failure from one of these actors, then the TOSCA processing should be + * aborted. + */ + private static final Set<String> ABORT_ACTORS = Set.of(ActorConstants.CL_TIMEOUT_ACTOR, ActorConstants.LOCK_ACTOR); + + private static final Set<String> VALID_TARGETS = Stream + .of(VM_NAME, VNF_NAME, VSERVER_VSERVER_NAME, GENERIC_VNF_VNF_ID, GENERIC_VNF_VNF_NAME, PNF_NAME) + .map(String::toLowerCase).collect(Collectors.toSet()); + + private static final Set<String> TRUE_VALUES = Set.of("true", "t", "yes", "y"); + + /** + * Names of Operation properties for which A&AI PNF query is needed. + */ + private static final Set<String> PNF_PROPERTIES = Set.of(OperationProperties.AAI_PNF); + + /** + * Names of Operation properties for which A&AI Tenant query is needed. + */ + private static final Set<String> TENANT_PROPERTIES = Set.of(OperationProperties.AAI_VSERVER_LINK); + + /** + * Names of Operation properties for which A&AI custom query is needed. + */ + private static final Set<String> CQ_PROPERTIES = Set.of(OperationProperties.AAI_DEFAULT_CLOUD_REGION, + OperationProperties.AAI_VNF, OperationProperties.AAI_SERVICE_MODEL, + OperationProperties.AAI_VNF_MODEL, OperationProperties.AAI_SERVICE, + OperationProperties.AAI_RESOURCE_VNF, UsecasesConstants.AAI_DEFAULT_GENERIC_VNF); + + public enum State { + LOAD_POLICY, POLICY_LOADED, AWAITING_OUTCOME, DONE + } + + public enum NewEventStatus { + FIRST_ONSET, SUBSEQUENT_ONSET, FIRST_ABATEMENT, SUBSEQUENT_ABATEMENT, SYNTAX_ERROR + } + + @Getter + private final VirtualControlLoopEvent event; + + /** + * Request ID, as a String. + */ + private final String requestIdStr; + + @Getter + @Setter + private State state; + + /** + * {@code True} if the event has been accepted (i.e., an "ACTIVE" notification has + * been delivered), {@code false} otherwise. + */ + @Getter + @Setter + private boolean accepted; + + /** + * Queue of steps waiting to be performed. + */ + @Getter + private final transient Deque<Step2> steps = new ArrayDeque<>(6); + + /** + * Number of attempts, so far, for the current step. + */ + @Getter + private int attempts; + + /** + * Policy currently being processed. + */ + private Policy policy; + + /** + * Result of the last policy operation. This is just a place where the rules can store + * the value for passing to {@link #loadNextPolicy()}. + */ + @Getter + @Setter + private PolicyResult result = PolicyResult.SUCCESS; + + @ToString.Include + private int numOnsets = 1; + @ToString.Include + private int numAbatements = 0; + + private VirtualControlLoopEvent abatement = null; + + /** + * Full history of operations that have been processed by the rules. This includes the + * items in {@link #partialHistory}. + */ + @Getter + private final transient Deque<OperationOutcome2> fullHistory = new LinkedList<>(); + + /** + * History of operations that have been processed by the rules for the current policy. + * When a step is started, its "start" outcome is added. However, once it completes, + * its "start" outcome is removed and the "completed" outcome is added. + */ + @Getter + private final transient Deque<OperationOutcome2> partialHistory = new LinkedList<>(); + + @Getter + private FinalResult finalResult = null; + + /** + * Message to be placed into the final notification. Typically used when something + * causes processing to abort. + */ + @Getter + private String finalMessage = null; + + private final transient WorkingMemory workMem; + private transient FactHandle factHandle; + + + /** + * Constructs the object. + * + * @param params control loop parameters + * @param event event to be managed by this object + * @param workMem working memory to update if this changes + * @throws ControlLoopException if the event is invalid or if a YAML processor cannot + * be created + */ + public UsecasesEventManager(ControlLoopParams params, VirtualControlLoopEvent event, WorkingMemory workMem) + throws ControlLoopException { + + super(params, event.getRequestId()); + + checkEventSyntax(event); + + if (isClosedLoopDisabled(event)) { + throw new IllegalStateException("is-closed-loop-disabled is set to true on VServer or VNF"); + } + + if (isProvStatusInactive(event)) { + throw new IllegalStateException("prov-status is not ACTIVE on VServer or VNF"); + } + + this.event = event; + this.workMem = workMem; + this.requestIdStr = getRequestId().toString(); + } + + @Override + public void destroy() { + for (Step2 step : steps) { + step.cancel(); + } + + super.destroy(); + } + + /** + * Starts the manager and loads the first policy. + * + * @throws ControlLoopException if the processor cannot get a policy + */ + public void start() throws ControlLoopException { + if (!isActive()) { + throw new IllegalStateException("manager is no longer active"); + } + + if ((factHandle = workMem.getFactHandle(this)) == null) { + throw new IllegalStateException("manager is not in working memory"); + } + + if (!steps.isEmpty()) { + throw new IllegalStateException("manager already started"); + } + + loadPolicy(); + } + + /** + * Indicates that processing has been aborted. + * + * @param finalState final state + * @param finalResult final result + * @param finalMessage final message + */ + public void abort(@NonNull State finalState, FinalResult finalResult, String finalMessage) { + this.state = finalState; + this.finalResult = finalResult; + this.finalMessage = finalMessage; + } + + /** + * Loads the next policy. + * + * @param lastResult result from the last policy + * + * @throws ControlLoopException if the processor cannot get a policy + */ + public void loadNextPolicy(@NonNull PolicyResult lastResult) throws ControlLoopException { + getProcessor().nextPolicyForResult(lastResult); + loadPolicy(); + } + + /** + * Loads the current policy. + * + * @throws ControlLoopException if the processor cannot get a policy + */ + private void loadPolicy() throws ControlLoopException { + partialHistory.clear(); + + if ((finalResult = getProcessor().checkIsCurrentPolicyFinal()) != null) { + // final policy - nothing more to do + return; + } + + policy = getProcessor().getCurrentPolicy(); + + // convert policy payload from Map<String,String> to Map<String,Object> + Map<String, Object> payload = new LinkedHashMap<>(); + if (policy.getPayload() != null) { + payload.putAll(policy.getPayload()); + } + + // @formatter:off + ControlLoopOperationParams params = ControlLoopOperationParams.builder() + .actorService(getActorService()) + .actor(policy.getActor()) + .operation(policy.getRecipe()) + .requestId(event.getRequestId()) + .preprocessed(true) + .executor(getExecutor()) + .target(policy.getTarget()) + .retry(policy.getRetry()) + .timeoutSec(policy.getTimeout()) + .payload(payload) + .startCallback(this::onStart) + .completeCallback(this::onComplete) + .build(); + // @formatter:on + + // load the policy's operation + steps.add(new Step2(this, params, event)); + } + + /** + * Loads the preprocessor steps needed by the step that's at the front of the queue. + */ + public void loadPreprocessorSteps() { + if (steps.size() >= MAX_STEPS) { + throw new IllegalStateException("too many steps"); + } + + final Step2 step = steps.peek(); + + // initialize the step so we can query its properties + step.init(); + + // determine if any A&AI queries are needed + boolean needCq = false; + boolean needPnf = false; + boolean needTenant = false; + boolean needTargetEntity = false; + + for (String propName : step.getPropertyNames()) { + needCq = needCq || CQ_PROPERTIES.contains(propName); + needPnf = needPnf || PNF_PROPERTIES.contains(propName); + needTenant = needTenant || TENANT_PROPERTIES.contains(propName); + needTargetEntity = needTargetEntity || OperationProperties.AAI_TARGET_ENTITY.equals(propName); + } + + /* + * The Policy's actual operation requires additional, implicit steps, such as + * locking and guards. + */ + final boolean needPolicySteps = step.isPolicyStep(); + + + /* + * NOTE: need to push steps onto the queue in the OPPOSITE order in which they + * must be performed. + */ + + + // GUARD must be pushed first + if (needPolicySteps) { + steps.push(new GuardStep2(step, getClosedLoopControlName())); + } + + // A&AI queries + if (needCq) { + steps.push(new AaiCqStep2(step)); + } + + if (needPnf) { + steps.push(new AaiGetPnfStep2(step)); + } + + if (needTenant) { + steps.push(new AaiGetTenantStep2(step)); + } + + // LOCK must be pushed after the queries + if (needPolicySteps) { + steps.push(new LockStep2(step)); + } + + // GET-TARGET-ENTITY should be pushed last + if (needTargetEntity) { + steps.push(new GetTargetEntityStep2(step)); + } + } + + /** + * Executes the first step in the queue. + * + * @return {@code true} if the step was started, {@code false} if it is no longer + * needed (or if the queue is empty) + */ + public boolean executeStep() { + attempts = 0; + + Step2 step = steps.peek(); + if (step == null) { + return false; + } + + return step.start(getEndTimeMs() - System.currentTimeMillis()); + } + + /** + * Discards the current step, if any. + */ + public void nextStep() { + steps.poll(); + } + + /** + * Increments the number of attempts. + */ + public void bumpAttempts() { + ++attempts; + } + + /** + * Determines if the TOSCA should be aborted due to the given outcome. + * + * @param outcome outcome to examine + * @return {@code true} if the TOSCA should be aborted, {@code false} otherwise + */ + public boolean isAbort(OperationOutcome outcome) { + return (outcome.getResult() != PolicyResult.SUCCESS && ABORT_ACTORS.contains(outcome.getActor())); + } + + /** + * Adds the outcome to the history. + * + * @param outcome outcome to add + */ + public void addToHistory(OperationOutcome outcome) { + OperationOutcome2 last = partialHistory.peekLast(); + + if (last != null && last.getOutcome().getEnd() == null + && last.getOutcome().isFor(outcome.getActor(), outcome.getOperation())) { + // last item was a "start" - remove it + partialHistory.removeLast(); + + if (fullHistory.peekLast() == last) { + fullHistory.removeLast(); + } + } + + OperationOutcome2 outcome2 = new OperationOutcome2(outcome); + partialHistory.add(outcome2); + fullHistory.add(outcome2); + } + + /** + * Makes a notification message for the current operation. + * + * @return a new notification + */ + public VirtualControlLoopNotification makeNotification() { + VirtualControlLoopNotification notif = new VirtualControlLoopNotification(event); + notif.setNotification(ControlLoopNotificationType.OPERATION); + notif.setFrom("policy"); + notif.setPolicyVersion(getPolicyVersion()); + + if (finalResult != null) { + return notif; + } + + OperationOutcome2 last = partialHistory.peekLast(); + if (last == null) { + return notif; + } + + notif.setMessage(last.getClOperation().toHistory()); + notif.setHistory(partialHistory.stream().map(OperationOutcome2::getClOperation).collect(Collectors.toList())); + + return notif; + } + + /** + * Delivers a notification to a topic. + * + * @param sinkName name of the topic sink + * @param notification notification to be published, or {@code null} if nothing is to + * be published + * @param notificationType type of notification, used when logging error messages + * @param ruleName name of the rule doing the publishing + */ + public <T> void deliver(String sinkName, T notification, String notificationType, String ruleName) { + try { + if (notification != null) { + getPolicyEngineManager().deliver(sinkName, notification); + } + + } catch (RuntimeException e) { + logger.warn("{}: {}.{}: manager={} exception publishing {}", getClosedLoopControlName(), getPolicyName(), + ruleName, this, notificationType, e); + } + } + + /** + * Get the last operation, as a message. + * + * @return the last operation, as a message + */ + public String getOperationMessage() { + OperationOutcome2 last = fullHistory.peekLast(); + return (last == null ? null : last.getClOperation().toMessage()); + } + + /** + * Stores an operation outcome in the DB. + * + * @param outcome operation outcome to store + */ + public void storeInDataBase(OperationOutcome2 outcome) { + String targetEntity = getProperty(OperationProperties.AAI_TARGET_ENTITY); + + getDataManager().store(requestIdStr, event, targetEntity, outcome.getClOperation()); + } + + /** + * Makes a control loop response. + * + * @param outcome operation outcome + * @return a new control loop response, or {@code null} if none is required + */ + public ControlLoopResponse makeControlLoopResponse(OperationOutcome outcome) { + ControlLoopResponse clRsp = new ControlLoopResponse(); + clRsp.setFrom(outcome.getActor()); + clRsp.setTarget("DCAE"); + clRsp.setClosedLoopControlName(event.getClosedLoopControlName()); + clRsp.setPolicyName(event.getPolicyName()); + clRsp.setPolicyVersion(event.getPolicyVersion()); + clRsp.setRequestId(event.getRequestId()); + clRsp.setVersion(event.getVersion()); + + Object obj = outcome.getResponse(); + if (!(obj instanceof PciMessage)) { + return clRsp; + } + + PciMessage msg = (PciMessage) obj; + if (msg.getBody() != null && msg.getBody().getOutput() != null) { + clRsp.setPayload(msg.getBody().getOutput().getPayload()); + } + + return clRsp; + } + + /** + * An event onset/abatement. + * + * @param newEvent the event + * @return the status + */ + public NewEventStatus onNewEvent(VirtualControlLoopEvent newEvent) { + try { + checkEventSyntax(newEvent); + + if (newEvent.getClosedLoopEventStatus() == ControlLoopEventStatus.ONSET) { + if (newEvent.equals(event)) { + return NewEventStatus.FIRST_ONSET; + } + + numOnsets++; + return NewEventStatus.SUBSEQUENT_ONSET; + + } else { + if (abatement == null) { + abatement = newEvent; + numAbatements++; + return NewEventStatus.FIRST_ABATEMENT; + } else { + numAbatements++; + return NewEventStatus.SUBSEQUENT_ABATEMENT; + } + } + } catch (ControlLoopException e) { + logger.error("{}: onNewEvent threw an exception", this, e); + return NewEventStatus.SYNTAX_ERROR; + } + } + + /** + * Check an event syntax. + * + * @param event the event syntax + * @throws ControlLoopException if an error occurs + */ + protected void checkEventSyntax(VirtualControlLoopEvent event) throws ControlLoopException { + validateStatus(event); + if (StringUtils.isBlank(event.getClosedLoopControlName())) { + throw new ControlLoopException("No control loop name"); + } + if (event.getRequestId() == null) { + throw new ControlLoopException("No request ID"); + } + if (event.getClosedLoopEventStatus() == ControlLoopEventStatus.ABATED) { + return; + } + if (StringUtils.isBlank(event.getTarget())) { + throw new ControlLoopException("No target field"); + } else if (!VALID_TARGETS.contains(event.getTarget().toLowerCase())) { + throw new ControlLoopException("target field invalid"); + } + validateAaiData(event); + } + + private void validateStatus(VirtualControlLoopEvent event) throws ControlLoopException { + if (event.getClosedLoopEventStatus() != ControlLoopEventStatus.ONSET + && event.getClosedLoopEventStatus() != ControlLoopEventStatus.ABATED) { + throw new ControlLoopException("Invalid value in closedLoopEventStatus"); + } + } + + private void validateAaiData(VirtualControlLoopEvent event) throws ControlLoopException { + Map<String, String> eventAai = event.getAai(); + if (eventAai == null) { + throw new ControlLoopException("AAI is null"); + } + if (event.getTargetType() == null) { + throw new ControlLoopException("The Target type is null"); + } + switch (event.getTargetType()) { + case VM: + case VNF: + validateAaiVmVnfData(eventAai); + return; + case PNF: + validateAaiPnfData(eventAai); + return; + default: + throw new ControlLoopException("The target type is not supported"); + } + } + + private void validateAaiVmVnfData(Map<String, String> eventAai) throws ControlLoopException { + if (eventAai.get(GENERIC_VNF_VNF_ID) == null && eventAai.get(VSERVER_VSERVER_NAME) == null + && eventAai.get(GENERIC_VNF_VNF_NAME) == null) { + throw new ControlLoopException( + "generic-vnf.vnf-id or generic-vnf.vnf-name or vserver.vserver-name information missing"); + } + } + + private void validateAaiPnfData(Map<String, String> eventAai) throws ControlLoopException { + if (eventAai.get(PNF_NAME) == null) { + throw new ControlLoopException("AAI PNF object key pnf-name is missing"); + } + } + + /** + * Is closed loop disabled for an event. + * + * @param event the event + * @return <code>true</code> if the control loop is disabled, <code>false</code> + * otherwise + */ + private static boolean isClosedLoopDisabled(VirtualControlLoopEvent event) { + Map<String, String> aai = event.getAai(); + return (isAaiTrue(aai.get(VSERVER_IS_CLOSED_LOOP_DISABLED)) + || isAaiTrue(aai.get(GENERIC_VNF_IS_CLOSED_LOOP_DISABLED)) + || isAaiTrue(aai.get(PNF_IS_IN_MAINT))); + } + + /** + * Does provisioning status, for an event, have a value other than ACTIVE. + * + * @param event the event + * @return {@code true} if the provisioning status is neither ACTIVE nor {@code null}, + * {@code false} otherwise + */ + private static boolean isProvStatusInactive(VirtualControlLoopEvent event) { + Map<String, String> aai = event.getAai(); + return !(PROV_STATUS_ACTIVE.equals(aai.getOrDefault(VSERVER_PROV_STATUS, PROV_STATUS_ACTIVE)) + && PROV_STATUS_ACTIVE.equals(aai.getOrDefault(GENERIC_VNF_PROV_STATUS, PROV_STATUS_ACTIVE))); + } + + /** + * Determines the boolean value represented by the given AAI field value. + * + * @param aaiValue value to be examined + * @return the boolean value represented by the field value, or {@code false} if the + * value is {@code null} + */ + private static boolean isAaiTrue(String aaiValue) { + return (aaiValue != null && TRUE_VALUES.contains(aaiValue.toLowerCase())); + } + + @Override + public void onStart(OperationOutcome outcome) { + super.onStart(outcome); + workMem.update(factHandle, this); + } + + @Override + public void onComplete(OperationOutcome outcome) { + super.onComplete(outcome); + workMem.update(factHandle, this); + } + + @Getter + @ToString + public class OperationOutcome2 { + private final int attempt; + private final OperationOutcome outcome; + private final ControlLoopOperation clOperation; + + /** + * Constructs the object. + * + * @param outcome outcome of the operation + */ + public OperationOutcome2(OperationOutcome outcome) { + this.outcome = outcome; + this.attempt = attempts; + + clOperation = outcome.toControlLoopOperation(); + clOperation.setTarget(policy.getTarget().toString()); + + if (outcome.getEnd() == null) { + clOperation.setOutcome("Started"); + } else if (clOperation.getOutcome() == null) { + clOperation.setOutcome(""); + } + } + } + + // these following methods may be overridden by junit tests + + protected PolicyEngine getPolicyEngineManager() { + return PolicyEngineConstants.getManager(); + } +} diff --git a/controlloop/common/controller-usecases/src/test/java/org/onap/policy/drools/apps/controller/usecases/UsecasesEventManagerTest.java b/controlloop/common/controller-usecases/src/test/java/org/onap/policy/drools/apps/controller/usecases/UsecasesEventManagerTest.java new file mode 100644 index 000000000..05bc03a60 --- /dev/null +++ b/controlloop/common/controller-usecases/src/test/java/org/onap/policy/drools/apps/controller/usecases/UsecasesEventManagerTest.java @@ -0,0 +1,1077 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2020 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. + * 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.drools.apps.controller.usecases; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatCode; +import static org.assertj.core.api.Assertions.assertThatIllegalStateException; +import static org.assertj.core.api.Assertions.assertThatThrownBy; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertSame; +import static org.junit.Assert.assertTrue; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.ArgumentMatchers.anyLong; +import static org.mockito.Mockito.never; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.when; + +import java.time.Instant; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.Deque; +import java.util.List; +import java.util.Map; +import java.util.TreeMap; +import java.util.UUID; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.ForkJoinPool; +import org.drools.core.WorkingMemory; +import org.junit.Before; +import org.junit.Test; +import org.kie.api.runtime.rule.FactHandle; +import org.mockito.Mock; +import org.mockito.MockitoAnnotations; +import org.onap.policy.common.utils.coder.Coder; +import org.onap.policy.common.utils.coder.CoderException; +import org.onap.policy.common.utils.coder.StandardYamlCoder; +import org.onap.policy.common.utils.io.Serializer; +import org.onap.policy.common.utils.resources.ResourceUtils; +import org.onap.policy.controlloop.ControlLoopEventStatus; +import org.onap.policy.controlloop.ControlLoopException; +import org.onap.policy.controlloop.ControlLoopResponse; +import org.onap.policy.controlloop.ControlLoopTargetType; +import org.onap.policy.controlloop.VirtualControlLoopEvent; +import org.onap.policy.controlloop.VirtualControlLoopNotification; +import org.onap.policy.controlloop.actorserviceprovider.ActorService; +import org.onap.policy.controlloop.actorserviceprovider.Operation; +import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome; +import org.onap.policy.controlloop.actorserviceprovider.OperationProperties; +import org.onap.policy.controlloop.actorserviceprovider.Operator; +import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams; +import org.onap.policy.controlloop.actorserviceprovider.spi.Actor; +import org.onap.policy.controlloop.drl.legacy.ControlLoopParams; +import org.onap.policy.controlloop.eventmanager.ActorConstants; +import org.onap.policy.controlloop.eventmanager.ControlLoopEventManager2; +import org.onap.policy.controlloop.ophistory.OperationHistoryDataManager; +import org.onap.policy.controlloop.policy.FinalResult; +import org.onap.policy.controlloop.policy.PolicyResult; +import org.onap.policy.controlloop.policy.Target; +import org.onap.policy.controlloop.policy.TargetType; +import org.onap.policy.drools.apps.controller.usecases.UsecasesEventManager.NewEventStatus; +import org.onap.policy.drools.apps.controller.usecases.step.AaiCqStep2; +import org.onap.policy.drools.apps.controller.usecases.step.AaiGetPnfStep2; +import org.onap.policy.drools.apps.controller.usecases.step.AaiGetTenantStep2; +import org.onap.policy.drools.apps.controller.usecases.step.GetTargetEntityStep2; +import org.onap.policy.drools.apps.controller.usecases.step.GuardStep2; +import org.onap.policy.drools.apps.controller.usecases.step.Step2; +import org.onap.policy.drools.core.lock.LockCallback; +import org.onap.policy.drools.core.lock.LockImpl; +import org.onap.policy.drools.core.lock.LockState; +import org.onap.policy.drools.system.PolicyEngine; +import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy; +import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate; +import org.onap.policy.sdnr.PciBody; +import org.onap.policy.sdnr.PciMessage; +import org.onap.policy.sdnr.PciResponse; + +public class UsecasesEventManagerTest { + private static final UUID REQ_ID = UUID.randomUUID(); + private static final String CL_NAME = "my-closed-loop-name"; + private static final String POLICY_NAME = "my-policy-name"; + private static final String POLICY_SCOPE = "my-scope"; + private static final String POLICY_VERSION = "1.2.3"; + private static final String SIMPLE_ACTOR = "First"; + private static final String SIMPLE_OPERATION = "OperationA"; + private static final String MY_TARGET = "my-target"; + private static final String EVENT_MGR_MULTI_YAML = + "../eventmanager/src/test/resources/eventManager/event-mgr-multi.yaml"; + private static final String EVENT_MGR_SIMPLE_YAML = + "../eventmanager/src/test/resources/eventManager/event-mgr-simple.yaml"; + private static final Coder yamlCoder = new StandardYamlCoder(); + private static final String OUTCOME_MSG = "my outcome message"; + private static final String MY_SINK = "my-topic-sink"; + + @Mock + private PolicyEngine engineMgr; + @Mock + private WorkingMemory workMem; + @Mock + private FactHandle factHandle; + @Mock + private Operator policyOperator; + @Mock + private Operation policyOperation; + @Mock + private Actor policyActor; + @Mock + private ActorService actors; + @Mock + private OperationHistoryDataManager dataMgr; + @Mock + private ExecutorService executor; + @Mock + private Step2 stepa; + @Mock + private Step2 stepb; + + private List<LockImpl> locks; + private Target target; + private ToscaPolicy tosca; + private ControlLoopParams params; + private VirtualControlLoopEvent event; + private UsecasesEventManager mgr; + + /** + * Sets up. + */ + @Before + public void setUp() throws ControlLoopException, CoderException { + MockitoAnnotations.initMocks(this); + + when(actors.getActor(SIMPLE_ACTOR)).thenReturn(policyActor); + when(policyActor.getOperator(SIMPLE_OPERATION)).thenReturn(policyOperator); + when(policyOperator.buildOperation(any())).thenReturn(policyOperation); + when(policyOperation.getPropertyNames()).thenReturn(Collections.emptyList()); + + when(workMem.getFactHandle(any())).thenReturn(factHandle); + + event = new VirtualControlLoopEvent(); + event.setRequestId(REQ_ID); + event.setTarget(UsecasesConstants.VSERVER_VSERVER_NAME); + event.setAai(new TreeMap<>(Map.of(UsecasesConstants.VSERVER_VSERVER_NAME, MY_TARGET))); + event.setClosedLoopEventStatus(ControlLoopEventStatus.ONSET); + event.setClosedLoopControlName(CL_NAME); + event.setTargetType(TargetType.VNF.toString()); + + target = new Target(); + target.setType(TargetType.VNF); + + params = new ControlLoopParams(); + params.setClosedLoopControlName(CL_NAME); + params.setPolicyName(POLICY_NAME); + params.setPolicyScope(POLICY_SCOPE); + params.setPolicyVersion(POLICY_VERSION); + + loadPolicy(EVENT_MGR_SIMPLE_YAML); + + locks = new ArrayList<>(); + + mgr = new MyManager(params, event, workMem); + } + + @Test + public void testConstructor() { + assertEquals(POLICY_NAME, mgr.getPolicyName()); + assertSame(event, mgr.getEvent()); + + Map<String, String> orig = event.getAai(); + + event.setAai(addAai(orig, UsecasesConstants.VSERVER_IS_CLOSED_LOOP_DISABLED, "true")); + assertThatThrownBy(() -> new UsecasesEventManager(params, event, workMem)) + .hasMessage("is-closed-loop-disabled is set to true on VServer or VNF"); + + event.setAai(addAai(orig, UsecasesConstants.VSERVER_PROV_STATUS, "inactive")); + assertThatThrownBy(() -> new UsecasesEventManager(params, event, workMem)) + .hasMessage("prov-status is not ACTIVE on VServer or VNF"); + + // valid + event.setAai(orig); + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + // invalid + event.setTarget("unknown-target"); + assertThatThrownBy(() -> new UsecasesEventManager(params, event, workMem)) + .isInstanceOf(ControlLoopException.class); + } + + @Test + public void testIsActive() throws Exception { + mgr = new UsecasesEventManager(params, event, workMem); + assertTrue(mgr.isActive()); + + // deserialized manager should be inactive + UsecasesEventManager mgr2 = Serializer.roundTrip(mgr); + assertFalse(mgr2.isActive()); + } + + @Test + public void testDestroy_testGetSteps() { + // add some steps to the queue + mgr.getSteps().add(stepa); + mgr.getSteps().add(stepb); + + mgr.destroy(); + + verify(stepa).cancel(); + verify(stepb).cancel(); + + // if superclass destroy() was invoked, then freeLock() should have been submitted + // to the executor + verify(executor).execute(any()); + } + + @Test + public void testOnStart() throws ControlLoopException { + OperationOutcome outcome = makeOutcome(); + + mgr.start(); + mgr.onStart(outcome); + + assertSame(outcome, mgr.getOutcomes().poll()); + assertThat(mgr.getOutcomes()).isEmpty(); + + verify(workMem).update(factHandle, mgr); + } + + @Test + public void testOnComplete() throws ControlLoopException { + OperationOutcome outcome = makeCompletedOutcome(); + + mgr.start(); + mgr.onComplete(outcome); + + assertSame(outcome, mgr.getOutcomes().poll()); + assertThat(mgr.getOutcomes()).isEmpty(); + + verify(workMem).update(factHandle, mgr); + } + + @Test + public void testToString() { + assertNotNull(mgr.toString()); + } + + @Test + public void testStart() throws ControlLoopException { + // start it + mgr.start(); + + // cannot re-start + assertThatCode(() -> mgr.start()).isInstanceOf(IllegalStateException.class) + .hasMessage("manager already started"); + } + + /** + * Tests start() when the manager is not in working memory. + */ + @Test + public void testStartNotInWorkingMemory() throws ControlLoopException { + when(workMem.getFactHandle(any())).thenReturn(null); + + assertThatCode(() -> mgr.start()).isInstanceOf(IllegalStateException.class) + .hasMessage("manager is not in working memory"); + } + + /** + * Tests start() when the manager is not active. + */ + @Test + public void testStartInactive() throws Exception { + // make an inactive manager by deserializing it + mgr = Serializer.roundTrip(new UsecasesEventManager(params, event, workMem)); + + // cannot re-start + assertThatCode(() -> mgr.start()).isInstanceOf(IllegalStateException.class) + .hasMessage("manager is no longer active"); + } + + @Test + public void testAbort() { + mgr.abort(UsecasesEventManager.State.DONE, FinalResult.FINAL_FAILURE_GUARD, "some message"); + + assertEquals(UsecasesEventManager.State.DONE, mgr.getState()); + assertEquals(FinalResult.FINAL_FAILURE_GUARD, mgr.getFinalResult()); + assertEquals("some message", mgr.getFinalMessage()); + + // try null state + assertThatThrownBy(() -> mgr.abort(null, FinalResult.FINAL_FAILURE_GUARD, "")) + .isInstanceOf(NullPointerException.class).hasMessageContaining("finalState"); + } + + @Test + public void testLoadNextPolicy_testGetFullHistory_testGetPartialHistory() throws Exception { + loadPolicy(EVENT_MGR_MULTI_YAML); + mgr = new MyManager(params, event, workMem); + + // start and load step for first policy + mgr.start(); + assertEquals("OperationA", mgr.getSteps().poll().getOperationName()); + assertNull(mgr.getFinalResult()); + + // add an outcome + OperationOutcome outcome = makeOutcome(); + mgr.addToHistory(outcome); + + // indicate success and load next policy + mgr.loadNextPolicy(PolicyResult.SUCCESS); + assertEquals("OperationB", mgr.getSteps().poll().getOperationName()); + assertNull(mgr.getFinalResult()); + + // loadPolicy() should clear the partial history, but not the full history + assertThat(mgr.getPartialHistory()).isEmpty(); + assertThat(mgr.getFullHistory()).hasSize(1); + + // indicate failure - should go to final failure + mgr.loadNextPolicy(PolicyResult.FAILURE); + assertEquals(FinalResult.FINAL_FAILURE, mgr.getFinalResult()); + } + + @Test + public void testLoadPolicy() throws ControlLoopException { + // start() will invoke loadPolicy() + mgr.start(); + + assertNull(mgr.getFinalResult()); + + Step2 step = mgr.getSteps().peek(); + assertNotNull(step); + assertEquals("First", step.getActorName()); + assertEquals("OperationA", step.getOperationName()); + + ControlLoopOperationParams params2 = step.getParams(); + assertSame(actors, params2.getActorService()); + assertSame(REQ_ID, params2.getRequestId()); + assertSame(ForkJoinPool.commonPool(), params2.getExecutor()); + assertNotNull(params2.getTarget()); + assertEquals(Integer.valueOf(300), params2.getTimeoutSec()); + assertEquals(Integer.valueOf(0), params2.getRetry()); + assertThat(params2.getPayload()).isEmpty(); + assertNotNull(params2.getStartCallback()); + assertNotNull(params2.getCompleteCallback()); + } + + @Test + public void testLoadPreprocessorSteps() { + stepa = new Step2(mgr, ControlLoopOperationParams.builder().build(), event) { + @Override + public List<String> getPropertyNames() { + return List.of(OperationProperties.AAI_DEFAULT_CLOUD_REGION); + } + + @Override + protected Operation buildOperation() { + return policyOperation; + } + }; + + mgr.getSteps().add(stepa); + mgr.getSteps().add(stepb); + + mgr.loadPreprocessorSteps(); + + Deque<Step2> steps = mgr.getSteps(); + + Step2 lockStep = steps.poll(); + assertNotNull(lockStep); + assertEquals(ActorConstants.LOCK_ACTOR, lockStep.getActorName()); + assertThat(steps.poll()).isInstanceOf(AaiCqStep2.class); + assertThat(steps.poll()).isInstanceOf(GuardStep2.class); + assertSame(stepa, steps.poll()); + assertSame(stepb, steps.poll()); + assertThat(steps).isEmpty(); + } + + /** + * Tests loadPreprocessorSteps() when there are too many steps in the queue. + */ + @Test + public void testLoadPreprocessorStepsTooManySteps() { + loadStepsWithProperties(OperationProperties.AAI_PNF); + + Deque<Step2> steps = mgr.getSteps(); + stepa = steps.getFirst(); + steps.clear(); + + // load up a bunch of steps + for (int nsteps = 0; nsteps < UsecasesEventManager.MAX_STEPS; ++nsteps) { + steps.add(stepa); + } + + // should fail + assertThatIllegalStateException().isThrownBy(() -> mgr.loadPreprocessorSteps()).withMessage("too many steps"); + + // add another step, should still fail + steps.add(stepa); + assertThatIllegalStateException().isThrownBy(() -> mgr.loadPreprocessorSteps()).withMessage("too many steps"); + + // remove two steps - should now succeed + steps.remove(); + steps.remove(); + + int nsteps = steps.size(); + + mgr.loadPreprocessorSteps(); + assertEquals(nsteps + 1, steps.size()); + } + + /** + * Tests loadPreprocessorSteps() when no additional steps are needed. + */ + @Test + public void testLoadPreprocessorStepsNothingToLoad() { + when(stepa.isPolicyStep()).thenReturn(false); + when(stepa.getPropertyNames()).thenReturn(List.of("unknown-property")); + + Deque<Step2> steps = mgr.getSteps(); + steps.add(stepa); + steps.add(stepb); + + setTargetEntity(); + mgr.loadPreprocessorSteps(); + + assertSame(stepa, steps.poll()); + assertSame(stepb, steps.poll()); + assertThat(steps).isEmpty(); + } + + /** + * Tests loadPreprocessorSteps() when an A&AI custom query is needed. + */ + @Test + public void testLoadPreprocessorStepsCq() { + loadStepsWithProperties(OperationProperties.AAI_DEFAULT_CLOUD_REGION, OperationProperties.AAI_DEFAULT_TENANT); + + setTargetEntity(); + mgr.loadPreprocessorSteps(); + + Deque<Step2> steps = mgr.getSteps(); + + assertThat(steps.poll()).isInstanceOf(AaiCqStep2.class); + assertSame(stepa, steps.poll()); + assertSame(stepb, steps.poll()); + assertThat(steps).isEmpty(); + } + + /** + * Tests loadPreprocessorSteps() when an A&AI PNF query is needed. + */ + @Test + public void testLoadPreprocessorStepsPnf() { + // doubling up the property to check both branches + loadStepsWithProperties(OperationProperties.AAI_PNF, OperationProperties.AAI_PNF); + + setTargetEntity(); + mgr.loadPreprocessorSteps(); + + Deque<Step2> steps = mgr.getSteps(); + + assertThat(steps.poll()).isInstanceOf(AaiGetPnfStep2.class); + assertSame(stepa, steps.poll()); + assertSame(stepb, steps.poll()); + assertThat(steps).isEmpty(); + } + + /** + * Tests loadPreprocessorSteps() when an A&AI Tenant query is needed. + */ + @Test + public void testLoadPreprocessorStepsTenant() { + // doubling up the property to check both branches + event.getAai().put(Step2.VSERVER_VSERVER_NAME, "my-vserver"); + loadStepsWithProperties(OperationProperties.AAI_VSERVER_LINK, OperationProperties.AAI_VSERVER_LINK); + + setTargetEntity(); + mgr.loadPreprocessorSteps(); + + Deque<Step2> steps = mgr.getSteps(); + + assertThat(steps.poll()).isInstanceOf(AaiGetTenantStep2.class); + assertSame(stepa, steps.poll()); + assertSame(stepb, steps.poll()); + assertThat(steps).isEmpty(); + } + + /** + * Tests loadPreprocessorSteps() when the target entity is unset. + */ + @Test + public void testLoadPreprocessorStepsNeedTargetEntity() { + stepa = new Step2(mgr, ControlLoopOperationParams.builder().target(target).build(), event) { + @Override + public List<String> getPropertyNames() { + return List.of(OperationProperties.AAI_TARGET_ENTITY); + } + + @Override + protected Operation buildOperation() { + return policyOperation; + } + + @Override + public boolean isPolicyStep() { + return false; + } + }; + + Deque<Step2> steps = mgr.getSteps(); + steps.add(stepa); + steps.add(stepb); + + mgr.loadPreprocessorSteps(); + + Step2 entityStep = steps.poll(); + + assertThat(entityStep).isInstanceOf(GetTargetEntityStep2.class); + assertSame(stepa, steps.poll()); + assertSame(stepb, steps.poll()); + assertThat(steps).isEmpty(); + + // put get-target-entity back onto the queue and ensure nothing else is added + steps.add(entityStep); + mgr.loadPreprocessorSteps(); + assertSame(entityStep, steps.poll()); + assertThat(steps).isEmpty(); + } + + @Test + public void testExecuteStep() { + mgr.bumpAttempts(); + + // no steps to execute + assertFalse(mgr.executeStep()); + assertEquals(0, mgr.getAttempts()); + + // add a step to the queue + mgr.getSteps().add(stepa); + + // step returns false + when(stepa.start(anyLong())).thenReturn(false); + assertFalse(mgr.executeStep()); + + // step returns true + when(stepa.start(anyLong())).thenReturn(true); + assertTrue(mgr.executeStep()); + } + + @Test + public void testNextStep() { + mgr.getSteps().add(stepa); + + mgr.nextStep(); + + assertThat(mgr.getSteps()).isEmpty(); + } + + @Test + public void testBumpAttempts() { + assertEquals(0, mgr.getAttempts()); + + mgr.bumpAttempts(); + mgr.bumpAttempts(); + assertEquals(2, mgr.getAttempts()); + } + + @Test + public void testIsAbort() { + OperationOutcome outcome = makeCompletedOutcome(); + outcome.setResult(PolicyResult.FAILURE); + + // closed loop timeout + outcome.setActor(ActorConstants.CL_TIMEOUT_ACTOR); + assertTrue(mgr.isAbort(outcome)); + + // lost lock + outcome.setActor(ActorConstants.LOCK_ACTOR); + assertTrue(mgr.isAbort(outcome)); + + // no effect for success + outcome.setResult(PolicyResult.SUCCESS); + assertFalse(mgr.isAbort(outcome)); + } + + @Test + public void testAddToHistory() throws ControlLoopException { + mgr.start(); + + // add a "start" outcome + OperationOutcome outcome = makeOutcome(); + mgr.addToHistory(outcome); + + assertThat(mgr.getPartialHistory()).hasSize(1); + assertThat(mgr.getFullHistory()).hasSize(1); + + // add a "completion" outcome - should replace the start + outcome = makeCompletedOutcome(); + mgr.addToHistory(outcome); + + assertThat(mgr.getPartialHistory()).hasSize(1); + assertThat(mgr.getFullHistory()).hasSize(1); + assertSame(outcome, mgr.getPartialHistory().peek().getOutcome()); + assertSame(outcome, mgr.getFullHistory().peek().getOutcome()); + + // add another start + outcome = makeOutcome(); + mgr.addToHistory(outcome); + + assertThat(mgr.getPartialHistory()).hasSize(2); + assertThat(mgr.getFullHistory()).hasSize(2); + assertSame(outcome, mgr.getPartialHistory().peekLast().getOutcome()); + assertSame(outcome, mgr.getFullHistory().peekLast().getOutcome()); + + // remove the last item from the full history and then add a "completion" + mgr.getFullHistory().removeLast(); + outcome = makeCompletedOutcome(); + mgr.addToHistory(outcome); + assertThat(mgr.getPartialHistory()).hasSize(2); + assertThat(mgr.getFullHistory()).hasSize(2); + + // add another "start" + outcome = makeOutcome(); + mgr.addToHistory(outcome); + assertThat(mgr.getPartialHistory()).hasSize(3); + assertThat(mgr.getFullHistory()).hasSize(3); + + // add a "completion" for a different actor - should NOT replace the start + outcome = makeCompletedOutcome(); + outcome.setActor("different-actor"); + mgr.addToHistory(outcome); + assertThat(mgr.getPartialHistory()).hasSize(4); + assertThat(mgr.getFullHistory()).hasSize(4); + assertSame(outcome, mgr.getPartialHistory().peekLast().getOutcome()); + assertSame(outcome, mgr.getFullHistory().peekLast().getOutcome()); + } + + @Test + public void testMakeNotification() throws Exception { + loadPolicy(EVENT_MGR_MULTI_YAML); + mgr = new MyManager(params, event, workMem); + + // before started + assertNotNull(mgr.makeNotification()); + + mgr.start(); + + mgr.addToHistory(makeCompletedOutcome()); + mgr.addToHistory(makeCompletedOutcome()); + mgr.addToHistory(makeCompletedOutcome()); + + // check notification while running + VirtualControlLoopNotification notif = mgr.makeNotification(); + assertThat(notif.getMessage()).contains(SIMPLE_ACTOR); + assertThat(notif.getHistory()).hasSize(3); + + // indicate success and load the next policy - should clear the partial history + mgr.loadNextPolicy(PolicyResult.SUCCESS); + + // check notification + notif = mgr.makeNotification(); + assertNull(notif.getMessage()); + assertThat(notif.getHistory()).isEmpty(); + + // add outcomes and check again + mgr.addToHistory(makeCompletedOutcome()); + mgr.addToHistory(makeCompletedOutcome()); + + notif = mgr.makeNotification(); + assertNotNull(notif.getMessage()); + + // should only have history for last two outcomes + assertThat(notif.getHistory()).hasSize(2); + + // indicate failure - should go to final state + mgr.loadNextPolicy(PolicyResult.FAILURE); + + // check notification + notif = mgr.makeNotification(); + assertNull(notif.getMessage()); + + // should be no history + assertThat(notif.getHistory()).isEmpty(); + + // null case + assertThatThrownBy(() -> mgr.loadNextPolicy(null)).isInstanceOf(NullPointerException.class) + .hasMessageContaining("lastResult"); + } + + @Test + public void testDeliver() { + mgr.deliver(MY_SINK, null, "null notification", "null rule"); + verify(engineMgr, never()).deliver(any(), any()); + + mgr.deliver(MY_SINK, "publishA", "A notification", "A rule"); + verify(engineMgr).deliver(MY_SINK, "publishA"); + + // cause deliver() to throw an exception + when(engineMgr.deliver(any(), any())).thenThrow(new IllegalStateException("expected exception")); + assertThatCode(() -> mgr.deliver(MY_SINK, "publishB", "B notification", "B rule")).doesNotThrowAnyException(); + } + + @Test + public void testGetOperationMessage() throws ControlLoopException { + // no history yet + assertNull(mgr.getOperationMessage()); + + // add an outcome + mgr.start(); + OperationOutcome outcome = makeOutcome(); + mgr.addToHistory(outcome); + + assertThat(mgr.getOperationMessage()).contains("actor=" + SIMPLE_ACTOR) + .contains("operation=" + SIMPLE_OPERATION); + } + + @Test + public void testStoreInDataBase() throws ControlLoopException { + mgr.start(); + OperationOutcome outcome = makeOutcome(); + mgr.addToHistory(outcome); + + mgr.storeInDataBase(mgr.getPartialHistory().peekLast()); + + verify(dataMgr).store(REQ_ID.toString(), event, null, mgr.getPartialHistory().peekLast().getClOperation()); + } + + @Test + public void testMakeControlLoopResponse() { + final OperationOutcome outcome = new OperationOutcome(); + + // no message - should return null + checkResp(outcome, null); + + // not a PciMessage - should return null + outcome.setResponse("not-a-pci-message"); + checkResp(outcome, null); + + /* + * now work with a PciMessage + */ + PciMessage msg = new PciMessage(); + outcome.setResponse(msg); + + PciBody body = new PciBody(); + msg.setBody(body); + + PciResponse output = new PciResponse(); + body.setOutput(output); + + output.setPayload("my-payload"); + + // should generate a response, with a payload + checkResp(outcome, "my-payload"); + + /* + * these should generate a response, with null payload + */ + output.setPayload(null); + checkResp(outcome, null); + + body.setOutput(null); + checkResp(outcome, null); + + msg.setBody(null); + checkResp(outcome, null); + + outcome.setResponse(null); + checkResp(outcome, null); + } + + @Test + public void testOnNewEvent() { + VirtualControlLoopEvent event2 = new VirtualControlLoopEvent(event); + assertEquals(NewEventStatus.FIRST_ONSET, mgr.onNewEvent(event2)); + + event2.setPayload("other payload"); + assertEquals(NewEventStatus.SUBSEQUENT_ONSET, mgr.onNewEvent(event2)); + assertEquals(NewEventStatus.SUBSEQUENT_ONSET, mgr.onNewEvent(event2)); + assertEquals(NewEventStatus.FIRST_ONSET, mgr.onNewEvent(event)); + + event2.setClosedLoopEventStatus(ControlLoopEventStatus.ABATED); + assertEquals(NewEventStatus.FIRST_ABATEMENT, mgr.onNewEvent(event2)); + + assertEquals(NewEventStatus.SUBSEQUENT_ABATEMENT, mgr.onNewEvent(event2)); + assertEquals(NewEventStatus.SUBSEQUENT_ABATEMENT, mgr.onNewEvent(event2)); + + event2.setClosedLoopEventStatus(null); + assertEquals(NewEventStatus.SYNTAX_ERROR, mgr.onNewEvent(event2)); + } + + @Test + public void testCheckEventSyntax() { + // initially, it's valid + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + event.setTarget("unknown-target"); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class) + .hasMessage("target field invalid"); + + event.setTarget(null); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class) + .hasMessage("No target field"); + + // abated supersedes previous errors - so it shouldn't throw an exception + event.setClosedLoopEventStatus(ControlLoopEventStatus.ABATED); + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + event.setRequestId(null); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class) + .hasMessage("No request ID"); + + event.setClosedLoopControlName(null); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class) + .hasMessage("No control loop name"); + } + + @Test + public void testValidateStatus() { + event.setClosedLoopEventStatus(ControlLoopEventStatus.ONSET); + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + event.setClosedLoopEventStatus(ControlLoopEventStatus.ABATED); + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + event.setClosedLoopEventStatus(null); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class) + .hasMessage("Invalid value in closedLoopEventStatus"); + } + + @Test + public void testValidateAaiData() { + event.setTargetType("unknown-target-type"); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class) + .hasMessage("The target type is not supported"); + + event.setTargetType(null); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class) + .hasMessage("The Target type is null"); + + event.setAai(null); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class) + .hasMessage("AAI is null"); + + // VM case + event.setTargetType(ControlLoopTargetType.VM); + event.setAai(Map.of(ControlLoopEventManager2.GENERIC_VNF_VNF_ID, MY_TARGET)); + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + event.setAai(Map.of()); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class); + + // VNF case + event.setTargetType(ControlLoopTargetType.VNF); + event.setAai(Map.of(ControlLoopEventManager2.GENERIC_VNF_VNF_ID, MY_TARGET)); + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + event.setAai(Map.of()); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class); + + // PNF case + event.setTargetType(ControlLoopTargetType.PNF); + event.setAai(Map.of(ControlLoopEventManager2.PNF_NAME, MY_TARGET)); + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + event.setAai(Map.of()); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class); + } + + @Test + public void testValidateAaiVmVnfData() { + event.setTargetType(ControlLoopTargetType.VM); + event.setAai(Map.of(ControlLoopEventManager2.GENERIC_VNF_VNF_ID, MY_TARGET)); + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + event.setAai(Map.of(ControlLoopEventManager2.VSERVER_VSERVER_NAME, MY_TARGET)); + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + event.setAai(Map.of(ControlLoopEventManager2.GENERIC_VNF_VNF_NAME, MY_TARGET)); + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + event.setAai(Map.of()); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class).hasMessage( + "generic-vnf.vnf-id or generic-vnf.vnf-name or vserver.vserver-name information missing"); + } + + @Test + public void testValidateAaiPnfData() { + event.setTargetType(ControlLoopTargetType.PNF); + event.setAai(Map.of(ControlLoopEventManager2.PNF_NAME, MY_TARGET)); + assertThatCode(() -> mgr.checkEventSyntax(event)).doesNotThrowAnyException(); + + event.setAai(Map.of()); + assertThatCode(() -> mgr.checkEventSyntax(event)).isInstanceOf(ControlLoopException.class) + .hasMessage("AAI PNF object key pnf-name is missing"); + } + + @Test + public void testIsClosedLoopDisabled() { + Map<String, String> orig = event.getAai(); + + event.setAai(addAai(orig, ControlLoopEventManager2.VSERVER_IS_CLOSED_LOOP_DISABLED, "true")); + assertThatThrownBy(() -> new ControlLoopEventManager2(params, event, workMem)) + .isInstanceOf(IllegalStateException.class); + + event.setAai(addAai(orig, ControlLoopEventManager2.GENERIC_VNF_IS_CLOSED_LOOP_DISABLED, "true")); + assertThatThrownBy(() -> new ControlLoopEventManager2(params, event, workMem)) + .isInstanceOf(IllegalStateException.class); + + event.setAai(addAai(orig, ControlLoopEventManager2.PNF_IS_IN_MAINT, "true")); + assertThatThrownBy(() -> new ControlLoopEventManager2(params, event, workMem)) + .isInstanceOf(IllegalStateException.class); + } + + @Test + public void testIsProvStatusInactive() { + Map<String, String> orig = event.getAai(); + + event.setAai(addAai(orig, ControlLoopEventManager2.VSERVER_PROV_STATUS, "ACTIVE")); + assertThatCode(() -> new ControlLoopEventManager2(params, event, workMem)).doesNotThrowAnyException(); + + event.setAai(addAai(orig, ControlLoopEventManager2.VSERVER_PROV_STATUS, "inactive")); + assertThatThrownBy(() -> new ControlLoopEventManager2(params, event, workMem)) + .isInstanceOf(IllegalStateException.class); + + event.setAai(addAai(orig, ControlLoopEventManager2.GENERIC_VNF_PROV_STATUS, "ACTIVE")); + assertThatCode(() -> new ControlLoopEventManager2(params, event, workMem)).doesNotThrowAnyException(); + + event.setAai(addAai(orig, ControlLoopEventManager2.GENERIC_VNF_PROV_STATUS, "inactive")); + assertThatThrownBy(() -> new ControlLoopEventManager2(params, event, workMem)) + .isInstanceOf(IllegalStateException.class); + } + + @Test + public void testIsAaiTrue() { + Map<String, String> orig = event.getAai(); + + for (String value : Arrays.asList("yes", "y", "true", "t", "yEs", "trUe")) { + event.setAai(addAai(orig, ControlLoopEventManager2.VSERVER_IS_CLOSED_LOOP_DISABLED, value)); + assertThatThrownBy(() -> new ControlLoopEventManager2(params, event, workMem)) + .isInstanceOf(IllegalStateException.class); + } + + event.setAai(addAai(orig, ControlLoopEventManager2.VSERVER_IS_CLOSED_LOOP_DISABLED, "false")); + assertThatCode(() -> new ControlLoopEventManager2(params, event, workMem)).doesNotThrowAnyException(); + + event.setAai(addAai(orig, ControlLoopEventManager2.VSERVER_IS_CLOSED_LOOP_DISABLED, "no")); + assertThatCode(() -> new ControlLoopEventManager2(params, event, workMem)).doesNotThrowAnyException(); + } + + + private Map<String, String> addAai(Map<String, String> original, String key, String value) { + Map<String, String> map = new TreeMap<>(original); + map.put(key, value); + return map; + } + + private void loadPolicy(String fileName) throws CoderException { + ToscaServiceTemplate template = + yamlCoder.decode(ResourceUtils.getResourceAsString(fileName), ToscaServiceTemplate.class); + tosca = template.getToscaTopologyTemplate().getPolicies().get(0).values().iterator().next(); + + params.setToscaPolicy(tosca); + } + + private void loadStepsWithProperties(String... properties) { + stepa = new Step2(mgr, ControlLoopOperationParams.builder().build(), event) { + + @Override + public boolean isPolicyStep() { + return false; + } + + @Override + public List<String> getPropertyNames() { + return List.of(properties); + } + + @Override + protected Operation buildOperation() { + return policyOperation; + } + }; + + mgr.getSteps().add(stepa); + mgr.getSteps().add(stepb); + } + + private OperationOutcome makeCompletedOutcome() { + OperationOutcome outcome = makeOutcome(); + outcome.setEnd(outcome.getStart()); + + return outcome; + } + + private OperationOutcome makeOutcome() { + OperationOutcome outcome = new OperationOutcome(); + outcome.setActor(SIMPLE_ACTOR); + outcome.setOperation(SIMPLE_OPERATION); + outcome.setMessage(OUTCOME_MSG); + outcome.setResult(PolicyResult.SUCCESS); + outcome.setStart(Instant.now()); + outcome.setTarget(MY_TARGET); + + return outcome; + } + + private void checkResp(OperationOutcome outcome, String expectedPayload) { + ControlLoopResponse resp = mgr.makeControlLoopResponse(outcome); + assertNotNull(resp); + assertEquals(REQ_ID, resp.getRequestId()); + assertEquals(expectedPayload, resp.getPayload()); + } + + /** + * Sets the target entity so a step doesn't have to be added to set it. + */ + private void setTargetEntity() { + mgr.setProperty(OperationProperties.AAI_TARGET_ENTITY, MY_TARGET); + } + + + private class MyManager extends UsecasesEventManager { + private static final long serialVersionUID = 1L; + + public MyManager(ControlLoopParams params, VirtualControlLoopEvent event, WorkingMemory workMem) + throws ControlLoopException { + + super(params, event, workMem); + } + + @Override + protected ExecutorService getBlockingExecutor() { + return executor; + } + + @Override + protected void makeLock(String targetEntity, String requestId, int holdSec, LockCallback callback) { + LockImpl lock = new LockImpl(LockState.ACTIVE, targetEntity, requestId, holdSec, callback); + locks.add(lock); + callback.lockAvailable(lock); + } + + @Override + public ActorService getActorService() { + return actors; + } + + @Override + public OperationHistoryDataManager getDataManager() { + return dataMgr; + } + + @Override + protected PolicyEngine getPolicyEngineManager() { + return engineMgr; + } + } +} diff --git a/controlloop/common/controller-usecases/src/test/java/org/onap/policy/drools/apps/controller/usecases/step/GuardStep2Test.java b/controlloop/common/controller-usecases/src/test/java/org/onap/policy/drools/apps/controller/usecases/step/GuardStep2Test.java index 43319efb3..6514b4f95 100644 --- a/controlloop/common/controller-usecases/src/test/java/org/onap/policy/drools/apps/controller/usecases/step/GuardStep2Test.java +++ b/controlloop/common/controller-usecases/src/test/java/org/onap/policy/drools/apps/controller/usecases/step/GuardStep2Test.java @@ -139,7 +139,7 @@ public class GuardStep2Test { @Test public void testLoadTargetEntity() { step.loadTargetEntity(OperationProperties.AAI_TARGET_ENTITY); - assertThat(step.getParams().getPayload().get(GuardStep2.PAYLOAD_KEY_TARGET_ENTITY)).isEqualTo(MY_TARGET); + assertThat(step.getParams().getPayload()).containsEntry(GuardStep2.PAYLOAD_KEY_TARGET_ENTITY, MY_TARGET); } /** @@ -149,7 +149,7 @@ public class GuardStep2Test { public void testLoadVfCountNotVfModuleCreate() { // should decrement the count step.loadVfCount(""); - assertThat(step.getParams().getPayload().get(GuardStep2.PAYLOAD_KEY_VF_COUNT)).isEqualTo(VF_COUNT - 1); + assertThat(step.getParams().getPayload()).containsEntry(GuardStep2.PAYLOAD_KEY_VF_COUNT, VF_COUNT - 1); } /** @@ -161,6 +161,6 @@ public class GuardStep2Test { // should increment the count step.loadVfCount(""); - assertThat(step.getParams().getPayload().get(GuardStep2.PAYLOAD_KEY_VF_COUNT)).isEqualTo(VF_COUNT + 1); + assertThat(step.getParams().getPayload()).containsEntry(GuardStep2.PAYLOAD_KEY_VF_COUNT, VF_COUNT + 1); } } |