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-rw-r--r--controlloop/common/controller-usecases/src/main/resources/usecases.drl317
-rw-r--r--controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManager.java133
-rw-r--r--controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java24
-rw-r--r--controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/LockCallbackWorkingMemory.java80
-rw-r--r--controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManagerTest.java226
-rw-r--r--controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/LockCallbackWorkingMemoryTest.java96
-rw-r--r--controlloop/common/guard/src/main/java/org/onap/policy/guard/LockCallback.java29
-rw-r--r--controlloop/common/guard/src/main/java/org/onap/policy/guard/PolicyGuard.java241
-rw-r--r--controlloop/common/guard/src/main/java/org/onap/policy/guard/TargetLock.java37
-rw-r--r--controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/PnfTargetLock.java47
-rw-r--r--controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/TargetLockImpl.java86
-rw-r--r--controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/VmTargetLock.java47
-rw-r--r--controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/VnfTargetLock.java47
-rw-r--r--controlloop/common/guard/src/test/java/org/onap/policy/guard/PolicyGuardTest.java335
14 files changed, 581 insertions, 1164 deletions
diff --git a/controlloop/common/controller-usecases/src/main/resources/usecases.drl b/controlloop/common/controller-usecases/src/main/resources/usecases.drl
index 4adf74064..fb6812a88 100644
--- a/controlloop/common/controller-usecases/src/main/resources/usecases.drl
+++ b/controlloop/common/controller-usecases/src/main/resources/usecases.drl
@@ -35,6 +35,7 @@ import org.onap.policy.controlloop.policy.Policy;
import org.onap.policy.controlloop.eventmanager.ControlLoopEventManager;
import org.onap.policy.controlloop.eventmanager.ControlLoopEventManager.NewEventStatus;
import org.onap.policy.controlloop.eventmanager.ControlLoopOperationManager;
+import org.onap.policy.controlloop.eventmanager.LockCallbackWorkingMemory;
import org.onap.policy.controlloop.utils.ControlLoopUtils;
import org.onap.policy.controlloop.actor.so.SoActorServiceProvider;
import org.onap.policy.controlloop.actor.cds.CdsActorServiceProvider;
@@ -53,6 +54,7 @@ import org.onap.policy.appclcm.LcmCommonHeader;
import org.onap.policy.cds.CdsResponse;
import org.onap.policy.cds.client.CdsProcessorGrpcClient;
import org.onap.policy.cds.properties.CdsServerProperties;
+import org.onap.policy.drools.utils.Pair;
import org.onap.policy.sdnr.PciRequestWrapper;
import org.onap.policy.sdnr.PciResponseWrapper;
import org.onap.policy.sdnr.PciRequest;
@@ -66,10 +68,7 @@ import org.onap.policy.so.SoResponseWrapper;
import org.onap.policy.sdnc.SdncRequest;
import org.onap.policy.sdnc.SdncManager;
import org.onap.policy.sdnc.SdncResponse;
-import org.onap.policy.guard.PolicyGuard;
-import org.onap.policy.guard.PolicyGuard.LockResult;
-import org.onap.policy.guard.TargetLock;
-import org.onap.policy.guard.GuardResult;
+import org.onap.policy.drools.core.lock.Lock;
import org.onap.policy.guard.PolicyGuardRequest;
import org.onap.policy.guard.PolicyGuardResponse;
import org.onap.policy.guard.PolicyGuardXacmlRequestAttributes;
@@ -113,7 +112,7 @@ rule "INSERT.PARAMS"
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
- logger.info("{}: {} : YAML=[{}]", $params.getClosedLoopControlName(), $params.getPolicyName() + "."
+ logger.info("{}: {} : YAML=[{}]", $params.getClosedLoopControlName(), $params.getPolicyName() + "."
+ drools.getRule().getName(), $params.getControlLoopYaml());
end
@@ -164,7 +163,7 @@ rule "EVENT"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
$event : VirtualControlLoopEvent( closedLoopControlName == $clName )
- not ( ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ not ( ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() ) )
then
@@ -204,7 +203,7 @@ rule "EVENT"
//
ControlLoopEventManager manager = new ControlLoopEventManager($clName, $event.getRequestId());
//
- // Determine if EventManager can actively process the event
+ // Determine if EventManager can actively process the event
// (i.e. syntax, is_closed_loop_disabled checks etc.)
//
VirtualControlLoopNotification notification = manager.activate($params.getControlLoopYaml(), $event);
@@ -283,9 +282,9 @@ rule "EVENT.MANAGER"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
$event : VirtualControlLoopEvent( closedLoopControlName == $clName )
- $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() )
- $clTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
+ $clTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "ClosedLoop", !expired )
then
@@ -362,10 +361,10 @@ rule "EVENT.MANAGER"
//
// Unlock the target
//
- TargetLock lock = $manager.unlockCurrentOperation();
- if (lock != null) {
- logger.debug("{}: {}: retracting lock=", $clName,
- $params.getPolicyName() + "." + drools.getRule().getName(), lock);
+ Lock lock = $manager.unlockCurrentOperation();
+ if(lock != null) {
+ logger.debug("{}: {}.{}: retracting lock={}", $clName,
+ $params.getPolicyName(), drools.getRule().getName(), lock);
retract(lock);
}
//
@@ -375,9 +374,9 @@ rule "EVENT.MANAGER"
$clName, $params.getPolicyName() + "." + drools.getRule().getName());
retract($manager.getOnsetEvent());
-
+
// don't retract manager, etc. - a clean-up rule will do that
-
+
//
// TODO - what if we get subsequent Events for this RequestId?
// By default, it will all start over again. May be confusing for Ruby.
@@ -407,10 +406,10 @@ rule "EVENT.MANAGER"
//
// Unlock the target
//
- TargetLock lock = $manager.unlockCurrentOperation();
- if (lock != null) {
- logger.debug("{}: {}: retracting lock=", $clName,
- $params.getPolicyName() + "." + drools.getRule().getName(), lock);
+ Lock lock = $manager.unlockCurrentOperation();
+ if(lock != null) {
+ logger.debug("{}: {}.{}: retracting lock={}", $clName,
+ $params.getPolicyName(), drools.getRule().getName(), lock);
retract(lock);
}
//
@@ -420,7 +419,7 @@ rule "EVENT.MANAGER"
$clName, $params.getPolicyName() + "." + drools.getRule().getName());
retract($manager.getOnsetEvent());
-
+
// don't retract manager, etc. - a clean-up rule will do that
}
}
@@ -433,57 +432,39 @@ rule "EVENT.MANAGER"
//
// Let's ask for a lock right away
//
- LockResult<GuardResult, TargetLock> result = $manager.lockCurrentOperation();
- logger.info("{}: {}: guard lock acquired={}",
- $clName, $params.getPolicyName() + "." + drools.getRule().getName(),
- result.getB());
- if (result.getA().equals(GuardResult.LOCK_ACQUIRED)) {
- //
- // insert the operation into memory
- //
- insert(operation);
-
- //
- // insert operation timeout object
- //
- ControlLoopTimer opTimer = new ControlLoopTimer();
- opTimer.setTimerType("Operation");
- opTimer.setClosedLoopControlName($event.getClosedLoopControlName());
- opTimer.setRequestId($event.getRequestId().toString());
- Integer timeout = operation.getOperationTimeout();
- opTimer.setDelay(timeout > 0 ? timeout.toString() + "s" : $clTimer.getDelay());
- insert(opTimer);
-
- //
- // Insert lock into memory
- //
- insert(result.getB());
+ logger.info("{}: {}.{}: requesting lock for operation={}",
+ $clName, $params.getPolicyName(), drools.getRule().getName(),
+ operation);
+
+ Pair<Lock,Lock> oldNew = $manager.lockCurrentOperation(
+ new LockCallbackWorkingMemory($params.getClosedLoopControlName(), drools.getWorkingMemory()));
+ if(oldNew.first() != null) {
+ logger.debug("{}: {}.{}: retracting lock={}", $clName,
+ $params.getPolicyName(), drools.getRule().getName(), oldNew.first());
+ retract(oldNew.first());
+ }
+ if(oldNew.second() != null) {
+ logger.debug("{}: {}.{}: inserting lock={}", $clName,
+ $params.getPolicyName(), drools.getRule().getName(), oldNew.second());
+ insert(oldNew.second());
}
- else {
- logger.debug("The target resource {} is already processing",
- $event.getAai().get($event.getTarget()));
- notification = new VirtualControlLoopNotification($event);
- notification.setNotification(ControlLoopNotificationType.REJECTED);
- notification.setMessage("The target " + $event.getAai().get($event.getTarget())
- + " is already locked");
- notification.setFrom("policy");
- notification.setPolicyName($params.getPolicyName() + "." + drools.getRule().getName());
- notification.setPolicyScope($params.getPolicyScope());
- notification.setPolicyVersion($params.getPolicyVersion());
- PolicyEngineConstants.getManager().deliver("POLICY-CL-MGT", notification);
+ //
+ // insert the operation into memory
+ //
+ insert(operation);
- retract($event);
-
- // don't retract manager, etc. - a clean-up rule will do that
+ //
+ // insert operation timeout object
+ //
+ ControlLoopTimer opTimer = new ControlLoopTimer();
+ opTimer.setTimerType("Operation");
+ opTimer.setClosedLoopControlName($event.getClosedLoopControlName());
+ opTimer.setRequestId($event.getRequestId().toString());
+ Integer timeout = operation.getOperationTimeout();
+ opTimer.setDelay(timeout > 0 ? timeout.toString() + "s" : $clTimer.getDelay());
+ insert(opTimer);
- if(result.getB() != null) {
- retract(result.getB());
- }
- }
- logger.info("{}: {}: starting operation={}",
- $clName, $params.getPolicyName() + "." + drools.getRule().getName(),
- operation);
} else {
//
// Probably waiting for abatement
@@ -508,7 +489,7 @@ rule "EVENT.MANAGER"
PolicyEngineConstants.getManager().deliver("POLICY-CL-MGT", notification);
retract($event);
-
+
// don't retract manager, etc. - a clean-up rule will do that
}
@@ -516,6 +497,43 @@ end
/*
*
+* Lock denied
+*
+*/
+rule "EVENT.MANAGER.OPERATION.LOCK.DENIED"
+ when
+ $params : ControlLoopParams( $clName : getClosedLoopControlName() )
+ $event : VirtualControlLoopEvent( closedLoopControlName == $clName )
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ requestId == $event.getRequestId() )
+ $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
+ onset.getRequestId() == $event.getRequestId(), "None".equalsIgnoreCase(getGuardApprovalStatus()) )
+ $lock : Lock (ownerKey == $event.getRequestId().toString(), isUnavailable())
+ then
+
+ Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
+ logger.info("{}: {}.{}: event={} manager={} operation={} lock={}",
+ $clName, $params.getPolicyName(), drools.getRule().getName(),
+ $event, $manager, $operation, $lock);
+
+ logger.debug("The target resource {} is already processing", $event.getAai().get($event.getTarget()));
+ VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event);
+ notification.setNotification(ControlLoopNotificationType.REJECTED);
+ notification.setMessage("The target " + $event.getAai().get($event.getTarget()) + " is already locked");
+ notification.setFrom("policy");
+ notification.setPolicyName($params.getPolicyName() + "." + drools.getRule().getName());
+ notification.setPolicyScope($params.getPolicyScope());
+ notification.setPolicyVersion($params.getPolicyVersion());
+
+ PolicyEngineConstants.getManager().deliver("POLICY-CL-MGT", notification);
+
+ retract($event);
+
+ // don't retract manager, etc. - a clean-up rule will do that
+end
+
+/*
+*
* Guard Permitted, let's send request to the actor.
*
*/
@@ -523,19 +541,18 @@ rule "EVENT.MANAGER.OPERATION.LOCKED.GUARD_PERMITTED"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
$event : VirtualControlLoopEvent( closedLoopControlName == $clName )
- $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() )
$operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
onset.getRequestId() == $event.getRequestId(), "Permit".equalsIgnoreCase(getGuardApprovalStatus()) )
- $lock : TargetLock (requestId == $event.getRequestId())
- $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
+ $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "Operation", !expired )
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
- logger.info("{}: {}: event={} manager={} operation={} lock={}",
+ logger.info("{}: {}: event={} manager={} operation={}",
$clName, $params.getPolicyName() + "." + drools.getRule().getName(),
- $event, $manager, $operation, $lock);
+ $event, $manager, $operation);
Object request = null;
boolean caughtException = false;
@@ -573,7 +590,7 @@ rule "EVENT.MANAGER.OPERATION.LOCKED.GUARD_PERMITTED"
}
break;
case "SO":
- // at this point the AAI named query request should have already been made, the response
+ // at this point the AAI named query request should have already been made, the response
// recieved and used in the construction of the SO Request which is stored in operationRequest
if(request instanceof SoRequest) {
@@ -583,8 +600,8 @@ rule "EVENT.MANAGER.OPERATION.LOCKED.GUARD_PERMITTED"
drools.getWorkingMemory().insert(wrapper);
}
}
- SoActorServiceProvider.sendRequest($event.getRequestId().toString(),
- new mySoCallback(),
+ SoActorServiceProvider.sendRequest($event.getRequestId().toString(),
+ new mySoCallback(),
request,
PolicyEngineConstants.getManager().getEnvironmentProperty("so.url"),
PolicyEngineConstants.getManager().getEnvironmentProperty("so.username"),
@@ -594,7 +611,7 @@ rule "EVENT.MANAGER.OPERATION.LOCKED.GUARD_PERMITTED"
case "VFC":
if (request instanceof VfcRequest) {
class myVfcCallback implements VfcManager.VfcCallback {
-
+
public void onResponse(VfcResponse responseError) {
drools.getWorkingMemory().insert(responseError);
}
@@ -613,23 +630,23 @@ rule "EVENT.MANAGER.OPERATION.LOCKED.GUARD_PERMITTED"
PolicyEngineConstants.getManager().deliver("SDNR-CL", request);
}
break;
-
+
case "SDNC":
if (request instanceof SdncRequest) {
class mySdncCallback implements SdncManager.SdncCallback {
public void onCallback(SdncResponse response) {
drools.getWorkingMemory().insert(response);
}
- }
+ }
// Start SDNC thread
- Thread t = new Thread(new SdncManager(new mySdncCallback(),
+ Thread t = new Thread(new SdncManager(new mySdncCallback(),
(SdncRequest)request,
PolicyEngineConstants.getManager().getEnvironmentProperty("sdnc.url"),
PolicyEngineConstants.getManager().getEnvironmentProperty("sdnc.username"),
PolicyEngineConstants.getManager().getEnvironmentProperty("sdnc.password")));
t.start();
}
- break;
+ break;
case "CDS":
@@ -656,7 +673,6 @@ rule "EVENT.MANAGER.OPERATION.LOCKED.GUARD_PERMITTED"
}
}
break;
-
}
} else {
//
@@ -728,11 +744,11 @@ rule "EVENT.MANAGER.OPERATION.LOCKED.GUARD_NOT_YET_QUERIED"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
$event : VirtualControlLoopEvent( closedLoopControlName == $clName )
- $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() )
- $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
- onset.getRequestId() == $event.getRequestId(), getGuardApprovalStatus() == "NONE" )
- $lock : TargetLock (requestId == $event.getRequestId())
+ $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
+ onset.getRequestId() == $event.getRequestId(), "None".equalsIgnoreCase(getGuardApprovalStatus()) )
+ $lock : Lock (ownerKey == $event.getRequestId().toString(), isActive())
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
@@ -745,7 +761,7 @@ rule "EVENT.MANAGER.OPERATION.LOCKED.GUARD_NOT_YET_QUERIED"
//
VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event);
notification.setNotification(ControlLoopNotificationType.OPERATION);
- notification.setMessage("Sending guard query for " + $operation.policy.getActor() + " "
+ notification.setMessage("Sending guard query for " + $operation.policy.getActor() + " "
+ $operation.policy.getRecipe());
notification.setHistory($operation.getHistory());
notification.setFrom("policy");
@@ -813,22 +829,21 @@ end
rule "GUARD.RESPONSE"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
- $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
+ $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
closedLoopEventStatus == ControlLoopEventStatus.ONSET )
- $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() )
- $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
+ $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
onset.getRequestId() == $event.getRequestId() )
- $lock : TargetLock (requestId == $event.getRequestId())
- $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
+ $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "Operation", !expired )
$guardResponse : PolicyGuardResponse(requestId == $event.getRequestId(), $operation.policy.recipe == operation)
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
- logger.info("{}: {}: event={} manager={} operation={} lock={} opTimer={} guardResponse={}",
+ logger.info("{}: {}: event={} manager={} operation={} opTimer={} guardResponse={}",
$clName, $params.getPolicyName() + "." + drools.getRule().getName(),
- $event, $manager, $operation, $lock, $opTimer, $guardResponse);
+ $event, $manager, $operation, $opTimer, $guardResponse);
//we will permit the operation if there was no Guard for it
@@ -882,23 +897,22 @@ end
rule "APPC.RESPONSE"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
- $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
+ $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
closedLoopEventStatus == ControlLoopEventStatus.ONSET )
- $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() )
- $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
+ $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
onset.getRequestId() == $event.getRequestId() )
- $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
+ $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "Operation", !expired )
- $lock : TargetLock (requestId == $event.getRequestId())
$response : Response( getCommonHeader().RequestId == $event.getRequestId() )
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
logger.info("{}: {}", $clName, $params.getPolicyName() + "." + drools.getRule().getName());
- logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={} response={}",
+ logger.debug("{}: {}: event={} manager={} operation={} opTimer={} response={}",
$clName, $params.getPolicyName() + "." + drools.getRule().getName(),
- $event, $manager, $operation, $lock, $opTimer, $response);
+ $event, $manager, $operation, $opTimer, $response);
//
// Get the result of the operation
//
@@ -1000,23 +1014,22 @@ end
rule "APPC.LCM.RESPONSE"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
- $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
+ $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
closedLoopEventStatus == ControlLoopEventStatus.ONSET )
- $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() )
- $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
+ $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
onset.getRequestId() == $event.getRequestId() )
- $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
+ $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "Operation", !expired )
- $lock : TargetLock (requestId == $event.getRequestId())
$response : LcmResponseWrapper( getBody().getCommonHeader().getRequestId() == $event.getRequestId() )
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
logger.info("{}: {}", $clName, $params.getPolicyName() + "." + drools.getRule().getName());
- logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={} response={}",
+ logger.debug("{}: {}: event={} manager={} operation={} opTimer={} response={}",
$clName, $params.getPolicyName() + "." + drools.getRule().getName(),
- $event, $manager, $operation, $lock, $operation, $opTimer, $response);
+ $event, $manager, $operation, $operation, $opTimer, $response);
//
// Get the result of the operation
@@ -1109,23 +1122,22 @@ end
rule "SO.RESPONSE"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
- $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
+ $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
closedLoopEventStatus == ControlLoopEventStatus.ONSET )
- $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() )
- $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
+ $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
onset.getRequestId() == $event.getRequestId() )
- $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
+ $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "Operation", !expired )
- $lock : TargetLock (requestId == $event.getRequestId())
$response : SoResponseWrapper(requestId.toString() == $event.getRequestId().toString() )
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
logger.info("{}: {}", $clName, $params.getPolicyName() + "." + drools.getRule().getName());
- logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={} response={}",
+ logger.debug("{}: {}: event={} manager={} operation={} opTimer={} response={}",
$clName, $params.getPolicyName() + "." + drools.getRule().getName(),
- $event, $manager, $operation, $lock, $operation, $opTimer, $response);
+ $event, $manager, $operation, $operation, $opTimer, $response);
// Get the result of the operation
//
@@ -1197,22 +1209,21 @@ end
rule "VFC.RESPONSE"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
- $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
+ $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
closedLoopEventStatus == ControlLoopEventStatus.ONSET )
- $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() )
- $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
+ $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
onset.getRequestId() == $event.getRequestId() )
- $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
+ $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "Operation", !expired )
- $lock : TargetLock (requestId == $event.getRequestId())
$response : VfcResponse( requestId.toString() == $event.getRequestId().toString() )
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
logger.info("{}: {}", $clName, $params.getPolicyName() + "." + drools.getRule().getName());
- logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={} response={}",
+ logger.debug("{}: {}: event={} manager={} operation={} opTimer={} response={}",
$clName, $params.getPolicyName() + "." + drools.getRule().getName(),
- $event, $manager, $operation, $lock, $operation, $opTimer, $response);
+ $event, $manager, $operation, $operation, $opTimer, $response);
// Get the result of the operation
//
@@ -1276,16 +1287,15 @@ rule "SDNC.RESPONSE"
$event : VirtualControlLoopEvent( closedLoopControlName == $clName, closedLoopEventStatus == ControlLoopEventStatus.ONSET )
$manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestId == $event.getRequestId() )
$operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() )
- $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
+ $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "Operation", !expired )
- $lock : TargetLock (requestId == $event.getRequestId())
$response : SdncResponse( requestId.toString() == $event.getRequestId().toString() )
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
logger.info("{}: {}", $clName, $params.getPolicyName() + "." + drools.getRule().getName());
- logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={} response={}",
+ logger.debug("{}: {}: event={} manager={} operation={} opTimer={} response={}",
$clName, $params.getPolicyName() + "." + drools.getRule().getName(),
- $event, $manager, $operation, $lock, $operation, $opTimer, $response);
+ $event, $manager, $operation, $operation, $opTimer, $response);
// Get the result of the operation
//
@@ -1353,16 +1363,15 @@ rule "${policyName}.CDS.RESPONSE"
onset.getRequestId() == $event.getRequestId() )
$opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "Operation", !expired )
- $lock : TargetLock (requestId == $event.getRequestId())
$response : CdsResponse( requestId == $event.getRequestId().toString() )
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
logger.info("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName());
- logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={} response={}",
+ logger.debug("{}: {}: event={} manager={} operation={} opTimer={} response={}",
$params.getClosedLoopControlName(), drools.getRule().getName(),
- $event, $manager, $operation, $lock, $operation, $opTimer, $response);
+ $event, $manager, $operation, $operation, $opTimer, $response);
// Get the result of the operation
PolicyResult policyResult = $operation.onResponse($response);
@@ -1444,20 +1453,19 @@ rule "EVENT.MANAGER.OPERATION.TIMEOUT"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
$event : VirtualControlLoopEvent( closedLoopControlName == $clName )
- $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() )
- $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
+ $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
onset.getRequestId() == $event.getRequestId() )
- $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
+ $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "Operation", expired )
- $lock : TargetLock (requestId == $event.getRequestId())
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
logger.info("{}: {}", $clName, $params.getPolicyName() + "." + drools.getRule().getName());
- logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={}",
+ logger.debug("{}: {}: event={} manager={} operation={} opTimer={}",
$clName, $params.getPolicyName() + "." + drools.getRule().getName(),
- $event, $manager, $operation, $lock, $operation, $opTimer);
+ $event, $manager, $operation, $operation, $opTimer);
//
// Tell it its timed out
@@ -1511,9 +1519,9 @@ rule "EVENT.MANAGER.TIMEOUT"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
$event : VirtualControlLoopEvent( closedLoopControlName == $clName )
- $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() )
- $clTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
+ $clTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "ClosedLoop", expired )
then
@@ -1553,13 +1561,11 @@ rule "EVENT.MANAGER.CLEANUP"
when
$manager : ControlLoopEventManager( $clName : getClosedLoopControlName(), $requestId : getRequestId() )
$operations : LinkedList()
- from collect( ControlLoopOperationManager( onset.closedLoopControlName == $clName,
+ from collect( ControlLoopOperationManager( onset.closedLoopControlName == $clName,
onset.getRequestId() == $requestId ) )
$timers : LinkedList()
- from collect( ControlLoopTimer( closedLoopControlName == $clName,
+ from collect( ControlLoopTimer( closedLoopControlName == $clName,
requestId == $requestId.toString() ) )
- $locks : LinkedList()
- from collect( TargetLock (requestId == $requestId) )
not( VirtualControlLoopEvent( closedLoopControlName == $clName, requestId == $requestId ) )
then
@@ -1571,6 +1577,14 @@ rule "EVENT.MANAGER.CLEANUP"
$manager, $timers.size(), $operations.size());
//
+ // Retract lock by invoking unlock()
+ //
+ Lock lock = $manager.unlockCurrentOperation();
+ if(lock != null) {
+ retract(lock);
+ }
+
+ //
// Retract EVERYTHING
//
retract($manager);
@@ -1581,14 +1595,6 @@ rule "EVENT.MANAGER.CLEANUP"
for(Object timer: $timers) {
retract((ControlLoopTimer) timer);
}
- for(Object lock: $locks) {
- TargetLock tgt = (TargetLock) lock;
- //
- // Ensure we release the lock
- //
- PolicyGuard.unlockTarget(tgt);
- retract(tgt);
- }
end
/*
@@ -1619,23 +1625,22 @@ end
rule "SDNR.RESPONSE"
when
$params : ControlLoopParams( $clName : getClosedLoopControlName() )
- $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
+ $event : VirtualControlLoopEvent( closedLoopControlName == $clName,
closedLoopEventStatus == ControlLoopEventStatus.ONSET )
- $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
+ $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId() )
- $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
+ $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(),
onset.getRequestId() == $event.getRequestId() )
- $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
+ $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(),
requestId == $event.getRequestId().toString(), timerType == "Operation", !expired )
- $lock : TargetLock (requestId == $event.getRequestId())
$response : PciResponseWrapper( getBody().getCommonHeader().getRequestId() == $event.getRequestId() )
then
Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
logger.info("{}: {}", $clName, $params.getPolicyName() + "." + drools.getRule().getName());
- logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={} response={}",
+ logger.debug("{}: {}: event={} manager={} operation={} opTimer={} response={}",
$clName, $params.getPolicyName() + "." + drools.getRule().getName(),
- $event, $manager, $operation, $lock, $operation, $opTimer, $response);
+ $event, $manager, $operation, $operation, $opTimer, $response);
//
// Get the result of the operation
diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManager.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManager.java
index f6cfe5594..6afb08d76 100644
--- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManager.java
+++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManager.java
@@ -58,18 +58,18 @@ import org.onap.policy.controlloop.VirtualControlLoopNotification;
import org.onap.policy.controlloop.policy.FinalResult;
import org.onap.policy.controlloop.policy.Policy;
import org.onap.policy.controlloop.processor.ControlLoopProcessor;
+import org.onap.policy.drools.core.lock.Lock;
+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.PolicyEngineConstants;
-import org.onap.policy.guard.GuardResult;
-import org.onap.policy.guard.LockCallback;
-import org.onap.policy.guard.PolicyGuard;
-import org.onap.policy.guard.PolicyGuard.LockResult;
-import org.onap.policy.guard.TargetLock;
+import org.onap.policy.drools.utils.Pair;
import org.onap.policy.rest.RestManager;
import org.onap.policy.so.util.Serialization;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class ControlLoopEventManager implements LockCallback, Serializable {
+public class ControlLoopEventManager implements Serializable {
public static final String PROV_STATUS_ACTIVE = "ACTIVE";
private static final String VM_NAME = "VM_NAME";
private static final String VNF_NAME = "VNF_NAME";
@@ -121,7 +121,7 @@ public class ControlLoopEventManager implements LockCallback, Serializable {
private LinkedList<ControlLoopOperation> controlLoopHistory = new LinkedList<>();
private ControlLoopOperationManager currentOperation = null;
private ControlLoopOperationManager lastOperationManager = null;
- private transient TargetLock targetLock = null;
+ private transient Lock targetLock = null;
private AaiGetVnfResponse vnfResponse = null;
private AaiGetVserverResponse vserverResponse = null;
private boolean useTargetLock = true;
@@ -140,6 +140,12 @@ public class ControlLoopEventManager implements LockCallback, Serializable {
requiredAAIKeys.add(VM_NAME);
}
+ /**
+ * Constructs the object.
+ *
+ * @param closedLoopControlName name of the control loop
+ * @param requestId ID of the request with which this manager is associated
+ */
public ControlLoopEventManager(String closedLoopControlName, UUID requestId) {
this.closedLoopControlName = closedLoopControlName;
this.requestId = requestId;
@@ -472,9 +478,11 @@ public class ControlLoopEventManager implements LockCallback, Serializable {
//
this.lastOperationManager = this.currentOperation;
this.currentOperation = null;
+
//
- // TODO: Release our lock
+ // Don't release the lock - it may be re-used by the next operation
//
+
return;
}
logger.debug("Cannot finish current operation {} does not match given operation {}",
@@ -487,77 +495,75 @@ public class ControlLoopEventManager implements LockCallback, Serializable {
/**
* Obtain a lock for the current operation.
*
- * @return the lock result
+ * @param callback call-back to be invoked when the lock state changes
+ * @return a pair containing the old lock and the new lock, either of which may be null
* @throws ControlLoopException if an error occurs
*/
- public synchronized LockResult<GuardResult, TargetLock> lockCurrentOperation() throws ControlLoopException {
+ public synchronized Pair<Lock, Lock> lockCurrentOperation(LockCallback callback) throws ControlLoopException {
//
// Sanity check
//
if (this.currentOperation == null) {
throw new ControlLoopException("Do not have a current operation.");
}
+
//
- // Not using target locks? Create and return a lock w/o actually locking.
+ // Release the old lock if it's for a different resource.
//
- if (!this.useTargetLock) {
- TargetLock lock = PolicyGuard.createTargetLock(this.currentOperation.policy.getTarget().getType(),
- this.currentOperation.getTargetEntity(), this.onset.getRequestId(), this);
- this.targetLock = lock;
- return LockResult.createLockResult(GuardResult.LOCK_ACQUIRED, lock);
+ Lock oldLock = null;
+ if (this.targetLock != null
+ && !this.targetLock.getResourceId().equals(this.currentOperation.getTargetEntity())) {
+ logger.debug("{}: different resource - releasing old lock", getClosedLoopControlName());
+ oldLock = this.targetLock;
+ this.targetLock = null;
}
+
+ // keep the lock a little longer than the operation, including retries
+ int optimeout = Math.max(1, this.currentOperation.getOperationTimeout());
+ int nattempts = 1 + Math.max(0, this.currentOperation.getMaxRetries());
+ int holdSec = optimeout * nattempts + ADDITIONAL_LOCK_SEC;
+
//
// Have we acquired it already?
//
if (this.targetLock != null) {
- //
- // TODO: Make sure the current lock is for the same target.
- // Currently, it should be. But in the future it may not.
- //
- GuardResult result = PolicyGuard.lockTarget(targetLock,
- this.currentOperation.getOperationTimeout() + ADDITIONAL_LOCK_SEC);
- return new LockResult<>(result, this.targetLock);
+ // we have the lock - just extend it
+ this.targetLock.extend(holdSec, callback);
+ return new Pair<>(oldLock, null);
+
+ } else if (this.useTargetLock) {
+ this.targetLock = createRealLock(this.currentOperation.getTargetEntity(), this.onset.getRequestId(),
+ holdSec, callback);
+ return new Pair<>(oldLock, this.targetLock);
+
} else {
- //
- // Ask the Guard
- //
- LockResult<GuardResult, TargetLock> lockResult = PolicyGuard.lockTarget(
- this.currentOperation.policy.getTarget().getType(), this.currentOperation.getTargetEntity(),
- this.onset.getRequestId(), this, this.currentOperation.getOperationTimeout() + ADDITIONAL_LOCK_SEC);
- //
- // Was it acquired?
- //
- if (lockResult.getA().equals(GuardResult.LOCK_ACQUIRED)) {
- //
- // Yes, let's save it
- //
- this.targetLock = lockResult.getB();
- }
- return lockResult;
+ // Not using target locks - create a lock w/o actually locking.
+ logger.debug("{}: not using target locking; using pseudo locks", getClosedLoopControlName());
+ this.targetLock = createPseudoLock(this.currentOperation.getTargetEntity(), this.onset.getRequestId(),
+ holdSec, callback);
+
+ // Note: no need to invoke callback, as the lock is already ACTIVE
+
+ return new Pair<>(oldLock, this.targetLock);
}
}
/**
- * Release the lock for the current operation.
+ * Releases the lock for the current operation, deleting it from working memory.
*
- * @return the target lock
+ * @return the lock, if the operation was locked, {@code null} otherwise
*/
- public synchronized TargetLock unlockCurrentOperation() {
+ public synchronized Lock unlockCurrentOperation() {
if (this.targetLock == null) {
return null;
}
- TargetLock returnLock = this.targetLock;
+ Lock lock = this.targetLock;
this.targetLock = null;
- //
- // if using target locking unlock before returning
- //
- if (this.useTargetLock) {
- PolicyGuard.unlockTarget(returnLock);
- }
- // always return the old target lock so rules can retract it
- return returnLock;
+ lock.free();
+
+ return lock;
}
public enum NewEventStatus {
@@ -1033,18 +1039,6 @@ public class ControlLoopEventManager implements LockCallback, Serializable {
}
@Override
- public boolean isActive() {
- // TODO
- return true;
- }
-
- @Override
- public boolean releaseLock() {
- // TODO
- return false;
- }
-
- @Override
public String toString() {
return "ControlLoopEventManager [closedLoopControlName=" + closedLoopControlName + ", requestId=" + requestId
+ ", processor=" + processor + ", onset=" + (onset != null ? onset.getRequestId() : "null")
@@ -1097,4 +1091,17 @@ public class ControlLoopEventManager implements LockCallback, Serializable {
}
+
+ // the following methods may be overridden by junit tests
+
+ protected Lock createRealLock(String targetEntity, UUID requestId, int holdSec, LockCallback callback) {
+ return PolicyEngineConstants.getManager().createLock(targetEntity, requestId.toString(), holdSec, callback,
+ false);
+ }
+
+ // note: the "callback" is required, because it will be invoked when lock.extend() is
+ // invoked
+ protected Lock createPseudoLock(String targetEntity, UUID requestId, int holdSec, LockCallback callback) {
+ return new LockImpl(LockState.ACTIVE, targetEntity, requestId.toString(), holdSec, callback);
+ }
}
diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java
index eb1901937..62bd0c1e9 100644
--- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java
+++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopOperationManager.java
@@ -963,7 +963,7 @@ public class ControlLoopOperationManager implements Serializable {
//
// Check if there were no retries specified
//
- if (policy.getRetry() == null || policy.getRetry() == 0) {
+ if (getMaxRetries() < 1) {
//
// The result is the failure
//
@@ -972,7 +972,7 @@ public class ControlLoopOperationManager implements Serializable {
//
// Check retries
//
- if (this.isRetriesMaxedOut()) {
+ if (this.attempts > getMaxRetries()) {
//
// No more attempts allowed, reset
// that our actual result is failure due to retries
@@ -1016,7 +1016,7 @@ public class ControlLoopOperationManager implements Serializable {
//
// Check if we have maxed out on retries
//
- if (this.policy.getRetry() == null || this.policy.getRetry() < 1) {
+ if (getMaxRetries() < 1) {
//
// No retries are allowed, so check have we even made
// one attempt to execute the operation?
@@ -1037,7 +1037,7 @@ public class ControlLoopOperationManager implements Serializable {
//
// Have we maxed out on retries?
//
- if (this.attempts > this.policy.getRetry()) {
+ if (this.attempts > getMaxRetries()) {
if (this.policyResult == null) {
this.policyResult = PolicyResult.FAILURE_RETRIES;
}
@@ -1046,15 +1046,13 @@ public class ControlLoopOperationManager implements Serializable {
}
}
- private boolean isRetriesMaxedOut() {
- if (policy.getRetry() == null || policy.getRetry() == 0) {
- //
- // There were NO retries specified, so declare
- // this as completed.
- //
- return (this.attempts > 0);
- }
- return (this.attempts > policy.getRetry());
+ /**
+ * 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() {
diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/LockCallbackWorkingMemory.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/LockCallbackWorkingMemory.java
new file mode 100644
index 000000000..738d3b922
--- /dev/null
+++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/LockCallbackWorkingMemory.java
@@ -0,0 +1,80 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.controlloop.eventmanager;
+
+import lombok.Getter;
+import org.drools.core.WorkingMemory;
+import org.kie.api.runtime.rule.FactHandle;
+import org.onap.policy.drools.core.lock.Lock;
+import org.onap.policy.drools.core.lock.LockCallback;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Lock call-back that updates working memory.
+ */
+@Getter
+public class LockCallbackWorkingMemory implements LockCallback {
+ private static final Logger logger = LoggerFactory.getLogger(LockCallbackWorkingMemory.class);
+
+ /**
+ * Name to be logged when the lock is updated.
+ */
+ private final String name;
+
+ /**
+ * Working memory to be updated when the lock is notified.
+ */
+ private final WorkingMemory workingMemory;
+
+
+ /**
+ * Constructs the object.
+ *
+ * @param name name to be logged when the lock is updated
+ * @param workingMemory working memory to be updated when the lock is notified
+ */
+ public LockCallbackWorkingMemory(String name, WorkingMemory workingMemory) {
+ this.name = name;
+ this.workingMemory = workingMemory;
+ }
+
+ @Override
+ public void lockAvailable(Lock lock) {
+ notifySession(lock);
+ }
+
+ @Override
+ public void lockUnavailable(Lock lock) {
+ notifySession(lock);
+ }
+
+ /**
+ * Notifies the session that the lock has been updated.
+ */
+ private void notifySession(Lock lock) {
+ FactHandle fact = workingMemory.getFactHandle(lock);
+ if (fact != null) {
+ logger.debug("{}: updating lock={}", name, lock);
+ workingMemory.update(fact, lock);
+ }
+ }
+}
diff --git a/controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManagerTest.java b/controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManagerTest.java
index 0b27ffa49..8efdb1fcb 100644
--- a/controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManagerTest.java
+++ b/controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManagerTest.java
@@ -25,12 +25,19 @@ 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.Matchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
+import java.io.Serializable;
import java.nio.charset.StandardCharsets;
import java.time.Instant;
import java.util.HashMap;
@@ -65,14 +72,14 @@ import org.onap.policy.controlloop.VirtualControlLoopNotification;
import org.onap.policy.controlloop.eventmanager.ControlLoopEventManager.NewEventStatus;
import org.onap.policy.controlloop.policy.ControlLoopPolicy;
import org.onap.policy.controlloop.policy.PolicyResult;
+import org.onap.policy.drools.core.lock.Lock;
+import org.onap.policy.drools.core.lock.LockCallback;
import org.onap.policy.drools.system.PolicyEngineConstants;
-import org.onap.policy.guard.GuardResult;
-import org.onap.policy.guard.PolicyGuard;
-import org.onap.policy.guard.PolicyGuard.LockResult;
-import org.onap.policy.guard.TargetLock;
+import org.onap.policy.drools.utils.Pair;
import org.powermock.reflect.Whitebox;
public class ControlLoopEventManagerTest {
+ private static final String TARGET_LOCK_FIELD = "targetLock";
private static final String PROCESS_VSERVER_RESPONSE = "processVServerResponse";
private static final String ONSET_ONE = "onsetOne";
private static final String VSERVER_NAME = "vserver.vserver-name";
@@ -107,6 +114,7 @@ public class ControlLoopEventManagerTest {
public ExpectedException thrown = ExpectedException.none();
private VirtualControlLoopEvent onset;
+ private LockCallback callback;
/**
* Set up test class.
@@ -130,6 +138,8 @@ public class ControlLoopEventManagerTest {
*/
@Before
public void setUp() {
+ callback = mock(LockCallback.class);
+
onset = new VirtualControlLoopEvent();
onset.setClosedLoopControlName("ControlLoop-vUSP");
onset.setRequestId(UUID.randomUUID());
@@ -414,8 +424,6 @@ public class ControlLoopEventManagerTest {
assertNull(clem.getAbatementEvent());
assertNull(clem.getProcessor());
- assertEquals(true, clem.isActive());
- assertEquals(false, clem.releaseLock());
assertEquals(true, clem.isControlLoopTimedOut());
assertNull(clem.unlockCurrentOperation());
@@ -441,11 +449,6 @@ public class ControlLoopEventManagerTest {
@Test
public void testActivationYaml() throws IOException {
- InputStream is = new FileInputStream(new File(TEST_YAML));
- final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
-
- InputStream isBad = new FileInputStream(new File("src/test/resources/notutf8.yaml"));
- final String yamlStringBad = IOUtils.toString(isBad, StandardCharsets.UTF_8);
UUID requestId = UUID.randomUUID();
VirtualControlLoopEvent event = new VirtualControlLoopEvent();
@@ -470,10 +473,17 @@ public class ControlLoopEventManagerTest {
assertEquals(ControlLoopNotificationType.REJECTED, notificationEmpty.getNotification());
// Bad YAML should fail
+ InputStream isBad = new FileInputStream(new File("src/test/resources/notutf8.yaml"));
+ final String yamlStringBad = IOUtils.toString(isBad, StandardCharsets.UTF_8);
+
VirtualControlLoopNotification notificationBad = manager.activate(yamlStringBad, event);
assertNotNull(notificationBad);
assertEquals(ControlLoopNotificationType.REJECTED, notificationBad.getNotification());
+
+ InputStream is = new FileInputStream(new File(TEST_YAML));
+ final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
+
VirtualControlLoopNotification notification = manager.activate(yamlString, event);
assertNotNull(notification);
assertEquals(ControlLoopNotificationType.ACTIVE, notification.getNotification());
@@ -486,9 +496,6 @@ public class ControlLoopEventManagerTest {
@Test
public void testControlLoopFinal() throws Exception {
- InputStream is = new FileInputStream(new File(TEST_YAML));
- final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
-
UUID requestId = UUID.randomUUID();
VirtualControlLoopEvent event = new VirtualControlLoopEvent();
event.setClosedLoopControlName(TWO_ONSET_TEST);
@@ -509,6 +516,10 @@ public class ControlLoopEventManagerTest {
.hasMessage("No onset event for ControlLoopEventManager.");
manager.setActivated(false);
+
+ InputStream is = new FileInputStream(new File(TEST_YAML));
+ final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
+
VirtualControlLoopNotification notification = manager.activate(yamlString, event);
assertNotNull(notification);
assertEquals(ControlLoopNotificationType.ACTIVE, notification.getNotification());
@@ -552,9 +563,6 @@ public class ControlLoopEventManagerTest {
@Test
public void testProcessControlLoop() throws Exception {
- InputStream is = new FileInputStream(new File(TEST_YAML));
- final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
-
UUID requestId = UUID.randomUUID();
VirtualControlLoopEvent event = new VirtualControlLoopEvent();
event.setClosedLoopControlName(TWO_ONSET_TEST);
@@ -575,6 +583,10 @@ public class ControlLoopEventManagerTest {
.hasMessage("No onset event for ControlLoopEventManager.");
manager.setActivated(false);
+
+ InputStream is = new FileInputStream(new File(TEST_YAML));
+ final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
+
VirtualControlLoopNotification notification = manager.activate(yamlString, event);
assertNotNull(notification);
assertEquals(ControlLoopNotificationType.ACTIVE, notification.getNotification());
@@ -620,21 +632,10 @@ public class ControlLoopEventManagerTest {
@Test
public void testFinishOperation() throws Exception {
- InputStream is = new FileInputStream(new File("src/test/resources/testSOactor.yaml"));
- final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
-
InputStream isStd = new FileInputStream(new File(TEST_YAML));
final String yamlStringStd = IOUtils.toString(isStd, StandardCharsets.UTF_8);
- UUID requestId = UUID.randomUUID();
- VirtualControlLoopEvent event = new VirtualControlLoopEvent();
- event.setClosedLoopControlName(TWO_ONSET_TEST);
- event.setRequestId(requestId);
- event.setTarget(VNF_ID);
- event.setClosedLoopAlarmStart(Instant.now());
- event.setClosedLoopEventStatus(ControlLoopEventStatus.ONSET);
- event.setAai(new HashMap<>());
- event.getAai().put(VNF_ID, ONSET_ONE);
+ VirtualControlLoopEvent event = makeEvent();
ControlLoopEventManager manager = makeManager(event);
ControlLoopEventManager manager2 = manager;
@@ -646,15 +647,14 @@ public class ControlLoopEventManagerTest {
.hasMessage("No operation to finish.");
manager.setActivated(false);
+
+ InputStream is = new FileInputStream(new File("src/test/resources/testSOactor.yaml"));
+ final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
+
VirtualControlLoopNotification notification = manager.activate(yamlString, event);
assertNotNull(notification);
assertEquals(ControlLoopNotificationType.ACTIVE, notification.getNotification());
- assertThatThrownBy(manager2::lockCurrentOperation).isInstanceOf(ControlLoopException.class)
- .hasMessage("Do not have a current operation.");
-
- assertNull(manager.unlockCurrentOperation());
-
// serialize and de-serialize manager
manager = Serializer.roundTrip(manager);
@@ -662,23 +662,6 @@ public class ControlLoopEventManagerTest {
assertNotNull(clom);
assertNull(clom.getOperationResult());
- LockResult<GuardResult, TargetLock> lockLock = manager.lockCurrentOperation();
- assertNotNull(lockLock);
- assertEquals(GuardResult.LOCK_ACQUIRED, lockLock.getA());
-
- LockResult<GuardResult, TargetLock> lockLockAgain = manager.lockCurrentOperation();
- assertNotNull(lockLockAgain);
- assertEquals(GuardResult.LOCK_ACQUIRED, lockLockAgain.getA());
- assertEquals(lockLock.getB(), lockLockAgain.getB());
-
- assertEquals(lockLock.getB(), manager.unlockCurrentOperation());
- assertNull(manager.unlockCurrentOperation());
-
- lockLock = manager.lockCurrentOperation();
- assertNotNull(lockLock);
- PolicyGuard.unlockTarget(lockLock.getB());
- assertEquals(lockLock.getB(), manager.unlockCurrentOperation());
-
clom.startOperation(event);
// This call should be exception free
@@ -697,10 +680,98 @@ public class ControlLoopEventManagerTest {
}
@Test
- public void testOnNewEvent() throws Exception {
- InputStream is = new FileInputStream(new File(TEST_YAML));
+ public void testLockCurrentOperation_testUnlockCurrentOperation() throws Exception {
+ VirtualControlLoopEvent event = makeEvent();
+
+ ControlLoopEventManager manager = makeManager(event);
+
+ manager.setActivated(false);
+
+ InputStream is = new FileInputStream(new File("src/test/resources/testSOactor.yaml"));
final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
+ VirtualControlLoopNotification notification = manager.activate(yamlString, event);
+ assertNotNull(notification);
+ assertEquals(ControlLoopNotificationType.ACTIVE, notification.getNotification());
+
+ ControlLoopEventManager manager2 = manager;
+ assertThatThrownBy(() -> manager2.lockCurrentOperation(callback)).isInstanceOf(ControlLoopException.class)
+ .hasMessage("Do not have a current operation.");
+
+ assertNull(manager.unlockCurrentOperation());
+
+ ControlLoopOperationManager clom = manager.processControlLoop();
+ assertNotNull(clom);
+ assertNull(clom.getOperationResult());
+
+ Pair<Lock, Lock> lockPair = manager.lockCurrentOperation(callback);
+ assertNull(lockPair.first());
+ assertNotNull(lockPair.second());
+
+ // pseudo lock - session should NOT have been notified of the change
+ verify(callback, never()).lockAvailable(any());
+ verify(callback, never()).lockUnavailable(any());
+
+ // repeat - should cause an extension
+ Lock lock = lockPair.second();
+ lockPair = manager.lockCurrentOperation(callback);
+
+ /*
+ * even with a pseudo lock, the session should have been notified that it was
+ * extended
+ */
+
+ verify(callback).lockAvailable(lock);
+
+ assertSame(lock, manager.unlockCurrentOperation());
+
+ assertNull(lockPair.first());
+ assertNull(lockPair.second());
+
+ // force it to use a pseudo lock
+ manager.setUseTargetLock(false);
+ lockPair = manager.lockCurrentOperation(callback);
+ assertNull(lockPair.first());
+ assertNotNull(lockPair.second());
+
+ lock = lockPair.second();
+
+ lockPair = manager.lockCurrentOperation(callback);
+ assertNull(lockPair.first());
+ assertNull(lockPair.second());
+
+ // first lock uses a pseudo lock, so it will only update when extended
+ verify(callback).lockAvailable(lock);
+
+ // force it to re-create the lock due to change in resource ID
+ lock = mock(Lock.class);
+ when(lock.getResourceId()).thenReturn("different");
+ Whitebox.setInternalState(manager, TARGET_LOCK_FIELD, lock);
+
+ lockPair = manager.lockCurrentOperation(callback);
+ assertSame(lock, lockPair.first());
+ assertNotNull(lockPair.second());
+
+ lock = lockPair.second();
+
+ lockPair = manager.lockCurrentOperation(callback);
+ assertNull(lockPair.first());
+ assertNull(lockPair.second());
+
+ // first lock uses a pseudo lock, so it won't do an update
+ verify(callback).lockAvailable(lock);
+
+ assertSame(lock, manager.unlockCurrentOperation());
+ assertNull(manager.unlockCurrentOperation());
+
+ // try again - this time don't return the fact handle- no change in count
+ lockPair = manager.lockCurrentOperation(callback);
+ assertNull(lockPair.first());
+ assertNotNull(lockPair.second());
+ }
+
+ @Test
+ public void testOnNewEvent() throws Exception {
UUID requestId = UUID.randomUUID();
VirtualControlLoopEvent onsetEvent = new VirtualControlLoopEvent();
onsetEvent.setClosedLoopControlName(TWO_ONSET_TEST);
@@ -721,6 +792,10 @@ public class ControlLoopEventManagerTest {
abatedEvent.getAai().put(VNF_NAME, ONSET_ONE);
ControlLoopEventManager manager = makeManager(onsetEvent);
+
+ InputStream is = new FileInputStream(new File(TEST_YAML));
+ final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
+
VirtualControlLoopNotification notification = manager.activate(yamlString, onsetEvent);
assertNotNull(notification);
assertEquals(ControlLoopNotificationType.ACTIVE, notification.getNotification());
@@ -816,9 +891,6 @@ public class ControlLoopEventManagerTest {
@Test
public void testControlLoopTimeout() throws IOException {
- InputStream is = new FileInputStream(new File(TEST_YAML));
- final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
-
UUID requestId = UUID.randomUUID();
VirtualControlLoopEvent onsetEvent = new VirtualControlLoopEvent();
onsetEvent.setClosedLoopControlName(TWO_ONSET_TEST);
@@ -833,6 +905,9 @@ public class ControlLoopEventManagerTest {
assertTrue(0 == manager.getControlLoopTimeout(null));
assertTrue(120 == manager.getControlLoopTimeout(120));
+ InputStream is = new FileInputStream(new File(TEST_YAML));
+ final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
+
VirtualControlLoopNotification notification = manager.activate(yamlString, onsetEvent);
assertNotNull(notification);
assertEquals(ControlLoopNotificationType.ACTIVE, notification.getNotification());
@@ -842,9 +917,6 @@ public class ControlLoopEventManagerTest {
@Test
public void testControlLoopTimeout_ZeroTimeout() throws IOException {
- InputStream is = new FileInputStream(new File("src/test/resources/test-zero-timeout.yaml"));
- final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
-
UUID requestId = UUID.randomUUID();
VirtualControlLoopEvent onsetEvent = new VirtualControlLoopEvent();
onsetEvent.setClosedLoopControlName(TWO_ONSET_TEST);
@@ -857,6 +929,9 @@ public class ControlLoopEventManagerTest {
ControlLoopEventManager manager = makeManager(onsetEvent);
+ InputStream is = new FileInputStream(new File("src/test/resources/test-zero-timeout.yaml"));
+ final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
+
VirtualControlLoopNotification notification = manager.activate(yamlString, onsetEvent);
assertNotNull(notification);
assertEquals(ControlLoopNotificationType.ACTIVE, notification.getNotification());
@@ -867,9 +942,6 @@ public class ControlLoopEventManagerTest {
@Test
public void testControlLoopTimeout_NullTimeout() throws IOException {
- InputStream is = new FileInputStream(new File("src/test/resources/test-null-timeout.yaml"));
- final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
-
UUID requestId = UUID.randomUUID();
VirtualControlLoopEvent onsetEvent = new VirtualControlLoopEvent();
onsetEvent.setClosedLoopControlName(TWO_ONSET_TEST);
@@ -882,6 +954,9 @@ public class ControlLoopEventManagerTest {
ControlLoopEventManager manager = makeManager(onsetEvent);
+ InputStream is = new FileInputStream(new File("src/test/resources/test-null-timeout.yaml"));
+ final String yamlString = IOUtils.toString(is, StandardCharsets.UTF_8);
+
VirtualControlLoopNotification notification = manager.activate(yamlString, onsetEvent);
assertNotNull(notification);
assertEquals(ControlLoopNotificationType.ACTIVE, notification.getNotification());
@@ -1258,8 +1333,33 @@ public class ControlLoopEventManagerTest {
assertNotNull(aaiCqResponse);
}
+ private VirtualControlLoopEvent makeEvent() {
+ UUID requestId = UUID.randomUUID();
+ VirtualControlLoopEvent event = new VirtualControlLoopEvent();
+ event.setClosedLoopControlName(TWO_ONSET_TEST);
+ event.setRequestId(requestId);
+ event.setTarget(VNF_ID);
+ event.setClosedLoopAlarmStart(Instant.now());
+ event.setClosedLoopEventStatus(ControlLoopEventStatus.ONSET);
+ event.setAai(new HashMap<>());
+ event.getAai().put(VNF_ID, ONSET_ONE);
+ return event;
+ }
private ControlLoopEventManager makeManager(VirtualControlLoopEvent event) {
- return new ControlLoopEventManager(event.getClosedLoopControlName(), event.getRequestId());
+ return new MyManager(event.getClosedLoopControlName(), event.getRequestId());
+ }
+
+ private static class MyManager extends ControlLoopEventManager implements Serializable {
+ private static final long serialVersionUID = 1L;
+
+ public MyManager(String closedLoopControlName, UUID requestId) {
+ super(closedLoopControlName, requestId);
+ }
+
+ @Override
+ protected Lock createRealLock(String targetEntity, UUID requestId, int holdSec, LockCallback callback) {
+ return createPseudoLock(targetEntity, requestId, holdSec, callback);
+ }
}
}
diff --git a/controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/LockCallbackWorkingMemoryTest.java b/controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/LockCallbackWorkingMemoryTest.java
new file mode 100644
index 000000000..18ab15b5a
--- /dev/null
+++ b/controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/LockCallbackWorkingMemoryTest.java
@@ -0,0 +1,96 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.controlloop.eventmanager;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertSame;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+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.drools.core.lock.Lock;
+
+public class LockCallbackWorkingMemoryTest {
+ private static final String MY_NAME = "my-name";
+
+ @Mock
+ private WorkingMemory workingMemory;
+
+ @Mock
+ private Lock lock;
+
+ @Mock
+ private FactHandle fact;
+
+ private LockCallbackWorkingMemory callback;
+
+
+ /**
+ * Initializes mocks and creates a call-back.
+ */
+ @Before
+ public void setUp() {
+ MockitoAnnotations.initMocks(this);
+
+ when(workingMemory.getFactHandle(lock)).thenReturn(fact);
+
+ callback = new LockCallbackWorkingMemory(MY_NAME, workingMemory);
+ }
+
+ @Test
+ public void testLockCallbackWorkingMemory() {
+ assertEquals(MY_NAME, callback.getName());
+ assertSame(workingMemory, callback.getWorkingMemory());
+ }
+
+ @Test
+ public void testLockAvailable() {
+ callback.lockAvailable(lock);
+ verify(workingMemory).update(fact, lock);
+
+ // "remove" from working memory
+ when(workingMemory.getFactHandle(lock)).thenReturn(null);
+ callback.lockAvailable(lock);
+
+ // should be no additional calls
+ verify(workingMemory).update(any(), any());
+ }
+
+ @Test
+ public void testLockUnavailable() {
+ callback.lockUnavailable(lock);
+ verify(workingMemory).update(fact, lock);
+
+ // "remove" from working memory
+ when(workingMemory.getFactHandle(lock)).thenReturn(null);
+ callback.lockUnavailable(lock);
+
+ // should be no additional calls
+ verify(workingMemory).update(any(), any());
+ }
+
+}
diff --git a/controlloop/common/guard/src/main/java/org/onap/policy/guard/LockCallback.java b/controlloop/common/guard/src/main/java/org/onap/policy/guard/LockCallback.java
deleted file mode 100644
index 2b33e0e57..000000000
--- a/controlloop/common/guard/src/main/java/org/onap/policy/guard/LockCallback.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * guard
- * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * 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.guard;
-
-public interface LockCallback {
-
- public boolean isActive();
-
- public boolean releaseLock();
-
-}
diff --git a/controlloop/common/guard/src/main/java/org/onap/policy/guard/PolicyGuard.java b/controlloop/common/guard/src/main/java/org/onap/policy/guard/PolicyGuard.java
deleted file mode 100644
index 90e6e8753..000000000
--- a/controlloop/common/guard/src/main/java/org/onap/policy/guard/PolicyGuard.java
+++ /dev/null
@@ -1,241 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * guard
- * ================================================================================
- * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2019 Tech Mahindra
- * ================================================================================
- * 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.guard;
-
-import java.util.UUID;
-import org.onap.policy.controlloop.policy.TargetType;
-import org.onap.policy.drools.core.lock.PolicyResourceLockManager;
-import org.onap.policy.guard.impl.PnfTargetLock;
-import org.onap.policy.guard.impl.VmTargetLock;
-import org.onap.policy.guard.impl.VnfTargetLock;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class PolicyGuard {
-
- private static final Logger logger = LoggerFactory.getLogger(PolicyGuard.class);
-
- /**
- * Factory to access various objects. Can be changed for junit tests.
- */
- private static Factory factory = new Factory();
-
- public static class LockResult<A, B> {
- private A parameterA;
- private B parameterB;
-
- public LockResult(A parameterA, B parameterB) {
- this.parameterA = parameterA;
- this.parameterB = parameterB;
- }
-
- public A getA() {
- return parameterA;
- }
-
- public B getB() {
- return parameterB;
- }
-
- public static <A, B> LockResult<A, B> createLockResult(A parameterA, B parameterB) {
- return new LockResult<>(parameterA, parameterB);
- }
- }
-
- private PolicyGuard() {
- // Cannot instantiate this static class
- }
-
- /**
- * Get the factory.
- *
- * @return the factory used to access various objects
- */
- protected static Factory getFactory() {
- return factory;
- }
-
- /**
- * Sets the factory to be used by junit tests.
- * @param factory factory
- */
- protected static void setFactory(Factory factory) {
- PolicyGuard.factory = factory;
- }
-
- /**
- * Create a lock.
- *
- * @param targetType the target type
- * @param targetInstance the target instance
- * @param requestId the request Id
- * @return the TargetLock
- * @throws IllegalArgumentException if an argument is null
- */
- public static TargetLock createTargetLock(TargetType targetType, String targetInstance,
- UUID requestId, LockCallback callback) {
- switch (targetType) {
- case PNF:
- //
- // Create the Lock object
- //
- return new PnfTargetLock(targetType, targetInstance, requestId, callback);
- case VM:
- //
- // Create the Lock object
- //
- return new VmTargetLock(targetType, targetInstance, requestId, callback);
- case VNF:
- //
- // Create the Lock object
- //
- return new VnfTargetLock(targetType, targetInstance, requestId, callback);
-
- case VFMODULE:
- //
- // Create the Lock object
- //
- return new VnfTargetLock(targetType, targetInstance, requestId, callback);
- default:
- logger.error("invalid target type {} for lock on {}", targetType, targetInstance);
- return null;
- }
- }
-
- /**
- * Lock a target.
- *
- * @param targetType the target type
- * @param targetInstance the target instance
- * @param requestId the request Id
- * @param callback the LockCallback
- * @param holdSec maximum number of seconds to hold the lock
- * @return the LockResult
- * @throws IllegalArgumentException if an argument is null
- */
- public static LockResult<GuardResult, TargetLock> lockTarget(TargetType targetType, String targetInstance,
- UUID requestId, LockCallback callback, int holdSec) {
- String owner = makeOwner(targetType, requestId);
- boolean result = factory.getManager().lock(targetInstance, owner, holdSec);
- if (!result) {
- return LockResult.createLockResult(GuardResult.LOCK_DENIED, null);
- }
-
- TargetLock lock = createTargetLock(targetType, targetInstance, requestId, callback);
- if (lock == null) {
- //
- // Bad lock type: unlock and return exception result
- //
- factory.getManager().unlock(targetInstance, owner);
- return LockResult.createLockResult(GuardResult.LOCK_EXCEPTION, null);
- } else {
- //
- // Return result
- //
- logger.debug("Locked {}", lock);
- return LockResult.createLockResult(GuardResult.LOCK_ACQUIRED, lock);
- }
- }
-
- /**
- * Extends a lock on a target.
- * @param lock current lock
- * @param holdSec maximum number of seconds to hold the lock
- * @return the result: acquired or denied
- */
- public static GuardResult lockTarget(TargetLock lock, int holdSec) {
- String owner = makeOwner(lock.getTargetType(), lock.getRequestId());
-
- boolean result = factory.getManager().refresh(lock.getTargetInstance(), owner, holdSec);
-
- logger.debug("Lock {} extend {}", lock, result);
- return (result ? GuardResult.LOCK_ACQUIRED : GuardResult.LOCK_DENIED);
- }
-
- /**
- * Unlock a target.
- *
- * @param lock the target lock to unlock
- * @return <code>true</code> if the target is successfully unlocked, <code>false</code>
- * otherwise
- * @throws IllegalArgumentException if an argument is null
- */
- public static boolean unlockTarget(TargetLock lock) {
- String owner = makeOwner(lock.getTargetType(), lock.getRequestId());
- boolean result = factory.getManager().unlock(lock.getTargetInstance(), owner);
-
- if (result) {
- logger.debug("Unlocked {}", lock);
- return true;
- }
-
- return false;
- }
-
- /**
- * Check if a target is locked.
- *
- * @param targetType the target type
- * @param targetInstance the target instance
- * @param requestId the request Id
- * @return <code>true</code> if the target is locked, <code>false</code> otherwise
- * @throws IllegalArgumentException if an argument is null
- */
- public static boolean isLocked(TargetType targetType, String targetInstance, UUID requestId) {
- String owner = makeOwner(targetType, requestId);
- return factory.getManager().isLockedBy(targetInstance, owner);
- }
-
- /**
- * Combines the target type and request ID to yield a single, "owner" string.
- * @param targetType target type
- * @param requestID request id
- * @return the "owner" of a resource
- * @throws IllegalArgumentException if either argument is null
- */
- private static String makeOwner(TargetType targetType, UUID requestId) {
- if (targetType == null) {
- throw new IllegalArgumentException("null targetType for lock request id " + requestId);
- }
-
- if (requestId == null) {
- throw new IllegalArgumentException("null requestID for lock type " + targetType);
- }
-
- return targetType + ":" + requestId;
- }
-
- /**
- * Factory to access various objects.
- */
- public static class Factory {
-
- /**
- * Get the manager.
- *
- * @return the lock manager to be used
- */
- public PolicyResourceLockManager getManager() {
- return PolicyResourceLockManager.getInstance();
- }
- }
-}
diff --git a/controlloop/common/guard/src/main/java/org/onap/policy/guard/TargetLock.java b/controlloop/common/guard/src/main/java/org/onap/policy/guard/TargetLock.java
deleted file mode 100644
index eea46c3cc..000000000
--- a/controlloop/common/guard/src/main/java/org/onap/policy/guard/TargetLock.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * guard
- * ================================================================================
- * Copyright (C) 2017, 2019 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.guard;
-
-import java.util.UUID;
-
-import org.onap.policy.controlloop.policy.TargetType;
-
-public interface TargetLock {
-
- public UUID getLockId();
-
- public TargetType getTargetType();
-
- public String getTargetInstance();
-
- public UUID getRequestId();
-
-}
diff --git a/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/PnfTargetLock.java b/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/PnfTargetLock.java
deleted file mode 100644
index 8ddb5ffcf..000000000
--- a/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/PnfTargetLock.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * guard
- * ================================================================================
- * Copyright (C) 2017-2019 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.guard.impl;
-
-import java.util.UUID;
-import org.onap.policy.controlloop.policy.TargetType;
-import org.onap.policy.guard.LockCallback;
-
-public class PnfTargetLock extends TargetLockImpl {
-
- private static final long serialVersionUID = 2335897394577202732L;
-
- /**
- * Construct an instance.
- *
- * @param type the target type
- * @param target the target
- * @param requestId the request Id
- * @param callback the callback
- */
- public PnfTargetLock(TargetType type, String target, UUID requestId, LockCallback callback) {
- super(type, target, requestId, callback);
- }
-
- @Override
- public String toString() {
- return "PnfTargetLock [" + super.toString() + "]";
- }
-}
diff --git a/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/TargetLockImpl.java b/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/TargetLockImpl.java
deleted file mode 100644
index d406999f4..000000000
--- a/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/TargetLockImpl.java
+++ /dev/null
@@ -1,86 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * guard
- * ================================================================================
- * Copyright (C) 2019 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.guard.impl;
-
-import java.io.Serializable;
-import java.util.UUID;
-
-import org.onap.policy.controlloop.policy.TargetType;
-import org.onap.policy.guard.LockCallback;
-import org.onap.policy.guard.TargetLock;
-
-public class TargetLockImpl implements TargetLock, Serializable {
-
- private static final long serialVersionUID = 2335897394577202732L;
-
- private final UUID lockId;
- private final TargetType targetType;
- private final String target;
- private final UUID requestId;
- private final transient LockCallback callback;
-
- /**
- * Construct an instance.
- *
- * @param type the target type
- * @param target the target
- * @param requestId the request Id
- * @param callback the callback
- */
- public TargetLockImpl(TargetType type, String target, UUID requestId, LockCallback callback) {
- this.lockId = UUID.randomUUID();
- this.targetType = type;
- this.target = target;
- this.requestId = requestId;
- this.callback = callback;
- }
-
- @Override
- public UUID getLockId() {
- return this.lockId;
- }
-
-
- @Override
- public TargetType getTargetType() {
- return targetType;
- }
-
- @Override
- public String getTargetInstance() {
- return target;
- }
-
- @Override
- public UUID getRequestId() {
- return this.requestId;
- }
-
- public LockCallback getCallback() {
- return this.callback;
- }
-
- @Override
- public String toString() {
- return "lockId=" + lockId + ", targetType=" + targetType + ", target=" + target + ", requestId="
- + requestId;
- }
-}
diff --git a/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/VmTargetLock.java b/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/VmTargetLock.java
deleted file mode 100644
index 2e612a03a..000000000
--- a/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/VmTargetLock.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * guard
- * ================================================================================
- * Copyright (C) 2017-2019 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.guard.impl;
-
-import java.util.UUID;
-import org.onap.policy.controlloop.policy.TargetType;
-import org.onap.policy.guard.LockCallback;
-
-public class VmTargetLock extends TargetLockImpl {
-
- private static final long serialVersionUID = 2335897394577202732L;
-
- /**
- * Construct an instance.
- *
- * @param type the target type
- * @param target the target
- * @param requestId the request Id
- * @param callback the callback
- */
- public VmTargetLock(TargetType type, String target, UUID requestId, LockCallback callback) {
- super(type, target, requestId, callback);
- }
-
- @Override
- public String toString() {
- return "VmTargetLock [" + super.toString() + "]";
- }
-}
diff --git a/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/VnfTargetLock.java b/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/VnfTargetLock.java
deleted file mode 100644
index 2912c7ad4..000000000
--- a/controlloop/common/guard/src/main/java/org/onap/policy/guard/impl/VnfTargetLock.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * guard
- * ================================================================================
- * Copyright (C) 2017-2019 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.guard.impl;
-
-import java.util.UUID;
-import org.onap.policy.controlloop.policy.TargetType;
-import org.onap.policy.guard.LockCallback;
-
-public class VnfTargetLock extends TargetLockImpl {
-
- private static final long serialVersionUID = 2335897394577202732L;
-
- /**
- * Construct an instance.
- *
- * @param type the target type
- * @param target the target
- * @param requestId the request Id
- * @param callback the callback
- */
- public VnfTargetLock(TargetType type, String target, UUID requestId, LockCallback callback) {
- super(type, target, requestId, callback);
- }
-
- @Override
- public String toString() {
- return "VnfTargetLock [" + super.toString() + "]";
- }
-}
diff --git a/controlloop/common/guard/src/test/java/org/onap/policy/guard/PolicyGuardTest.java b/controlloop/common/guard/src/test/java/org/onap/policy/guard/PolicyGuardTest.java
deleted file mode 100644
index 5f77d0331..000000000
--- a/controlloop/common/guard/src/test/java/org/onap/policy/guard/PolicyGuardTest.java
+++ /dev/null
@@ -1,335 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * guard
- * ================================================================================
- * Copyright (C) 2017-2019 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.guard;
-
-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.assertTrue;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import java.util.UUID;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.onap.policy.controlloop.policy.TargetType;
-import org.onap.policy.drools.core.lock.PolicyResourceLockManager;
-import org.onap.policy.guard.PolicyGuard.Factory;
-import org.onap.policy.guard.PolicyGuard.LockResult;
-import org.onap.policy.guard.impl.PnfTargetLock;
-import org.onap.policy.guard.impl.VmTargetLock;
-import org.onap.policy.guard.impl.VnfTargetLock;
-
-public class PolicyGuardTest {
- private static final String INSTANCENAME = "targetInstance";
- private static final int LOCK_SEC = 10;
-
- private static Factory saveFactory;
-
- private Factory factory;
- private PolicyResourceLockManager mgr;
- private UUID uuid;
- private DummyLockCallback dlcb;
-
- private class DummyLockCallback implements LockCallback {
- @Override
- public boolean isActive() {
- return false;
- }
-
- @Override
- public boolean releaseLock() {
- return false;
- }
- }
-
- private class DummyTargetLock implements TargetLock {
- private TargetType type;
- private UUID reqid;
-
- public DummyTargetLock(TargetType type, UUID reqid) {
- this.type = type;
- this.reqid = reqid;
- }
-
- @Override
- public UUID getLockId() {
- return null;
- }
-
- @Override
- public TargetType getTargetType() {
- return type;
- }
-
- @Override
- public String getTargetInstance() {
- return INSTANCENAME;
- }
-
- @Override
- public UUID getRequestId() {
- return reqid;
- }
- }
-
- @BeforeClass
- public static void setUpBeforeClass() {
- saveFactory = PolicyGuard.getFactory();
- }
-
- @AfterClass
- public static void tearDownAfterClass() {
- PolicyGuard.setFactory(saveFactory);
- }
-
- /**
- * Setup method.
- */
- @Before
- public void setUp() {
- mgr = spy(new PolicyResourceLockManager() {
- /*
- * we want each test to have its own lock manager, but the constructor for the
- * manager is protected; this gets around that
- */
- });
-
- factory = mock(Factory.class);
- when(factory.getManager()).thenReturn(mgr);
-
- uuid = UUID.randomUUID();
- dlcb = new DummyLockCallback();
-
- PolicyGuard.setFactory(factory);
- }
-
- @Test
- public void testLockVm() {
- TargetType type = TargetType.VM;
-
- // Test isLocked before and after lock added
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb, LOCK_SEC);
- assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
-
- assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
- assertEquals(VmTargetLock.class, result.getB().getClass());
-
- VmTargetLock vtl = (VmTargetLock) result.getB();
- assertNotNull(vtl.getLockId());
- assertEquals(INSTANCENAME, vtl.getTargetInstance());
- assertEquals(TargetType.VM, vtl.getTargetType());
- assertNotNull(vtl.getRequestId());
- assertEquals(dlcb, vtl.getCallback());
-
- // Test isLocked after lock removed
- PolicyGuard.unlockTarget(new DummyTargetLock(type, uuid));
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- }
-
- @Test
- public void testLockPnf() {
- TargetType type = TargetType.PNF;
-
- // Test isLocked before and after lock added
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb, LOCK_SEC);
- assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
-
- assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
- assertEquals(PnfTargetLock.class, result.getB().getClass());
-
- PnfTargetLock ptl = (PnfTargetLock) result.getB();
- assertNotNull(ptl.getLockId());
- assertEquals(INSTANCENAME, ptl.getTargetInstance());
- assertEquals(TargetType.PNF, ptl.getTargetType());
- assertNotNull(ptl.getRequestId());
- assertEquals(dlcb, ptl.getCallback());
-
- // Test isLocked after lock removed
- PolicyGuard.unlockTarget(new DummyTargetLock(type, uuid));
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- }
-
-
- @Test
- public void testLockVnf() {
- TargetType type = TargetType.VNF;
-
- // Test isLocked before and after lock added
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb, LOCK_SEC);
- assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
-
- assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
- assertEquals(VnfTargetLock.class, result.getB().getClass());
-
- VnfTargetLock vtl = (VnfTargetLock) result.getB();
- assertNotNull(vtl.getLockId());
- assertEquals(INSTANCENAME, vtl.getTargetInstance());
- assertEquals(TargetType.VNF, vtl.getTargetType());
- assertNotNull(vtl.getRequestId());
- assertEquals(dlcb, vtl.getCallback());
-
- // Test isLocked after lock removed
- PolicyGuard.unlockTarget(new DummyTargetLock(type, uuid));
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- }
-
- @Test
- public void testLockVfc() {
- TargetType type = TargetType.VFC;
-
- // Test isLocked before and after lock added
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb, LOCK_SEC);
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
-
- assertEquals(GuardResult.LOCK_EXCEPTION, result.getA());
- assertNull(result.getB());
-
- // Test isLocked after lock removed
- PolicyGuard.unlockTarget(new DummyTargetLock(type, uuid));
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- }
-
- @Test
- public void testUnLockNotLocked() {
- TargetType type = TargetType.VM;
-
- // Test isLocked before and after lock added
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb, LOCK_SEC);
- assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
-
- assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
- assertEquals(VmTargetLock.class, result.getB().getClass());
-
- // Test isLocked after lock removed
- PolicyGuard.unlockTarget(new DummyTargetLock(type, uuid));
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
-
- // Test unlock after lock removed
- PolicyGuard.unlockTarget(new DummyTargetLock(type, uuid));
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- }
-
- @Test
- public void testLockAlreadyLocked() {
- TargetType type = TargetType.VM;
-
- // Test isLocked before and after lock added
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb, LOCK_SEC);
- assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
-
- assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
- assertEquals(VmTargetLock.class, result.getB().getClass());
-
- UUID uuid2 = UUID.randomUUID();
- result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid2, dlcb, LOCK_SEC);
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid2));
-
- assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
-
- assertEquals(GuardResult.LOCK_DENIED, result.getA());
- assertNull(result.getB());
-
- // Test isLocked after lock removed
- PolicyGuard.unlockTarget(new DummyTargetLock(type, uuid));
- assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
- }
-
- @Test
- public void testInnards() {
- TargetType type = TargetType.VM;
-
- assertFalse(dlcb.isActive());
- assertFalse(dlcb.releaseLock());
-
- DummyTargetLock dtl = new DummyTargetLock(type, uuid);
- assertNull(dtl.getLockId());
- assertEquals(uuid, dtl.getRequestId());
- assertEquals(INSTANCENAME, dtl.getTargetInstance());
- assertEquals(type, dtl.getTargetType());
- }
-
- @Test
- public void testLockTargetTargetTypeStringUuidLockCallbackInt() {
- TargetType type = TargetType.VM;
-
- LockResult<GuardResult, TargetLock> result;
-
- // acquired
- result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb, LOCK_SEC);
- verify(mgr).lock(INSTANCENAME, type + ":" + uuid, LOCK_SEC);
- assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
- assertEquals(VmTargetLock.class, result.getB().getClass());
-
- // diff owner - denied
- UUID uuid2 = UUID.randomUUID();
- result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid2, dlcb, LOCK_SEC + 10);
- verify(mgr).lock(INSTANCENAME, type + ":" + uuid2, LOCK_SEC + 10);
- assertEquals(GuardResult.LOCK_DENIED, result.getA());
- assertNull(result.getB());
- }
-
- @Test
- public void testLockTargetTargetLockInt() {
- TargetType type = TargetType.VM;
-
- LockResult<GuardResult, TargetLock> result;
-
- // acquired
- result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb, LOCK_SEC);
- verify(mgr).lock(INSTANCENAME, type + ":" + uuid, LOCK_SEC);
- assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
- assertEquals(VmTargetLock.class, result.getB().getClass());
-
- TargetLock lock = result.getB();
-
- // refresh - re-acquired
- assertEquals(GuardResult.LOCK_ACQUIRED, PolicyGuard.lockTarget(lock, LOCK_SEC + 1));
- verify(mgr).refresh(INSTANCENAME, type + ":" + uuid, LOCK_SEC + 1);
-
- // unlock
- PolicyGuard.unlockTarget(lock);
-
- // refresh - denied, as we no longer own the lock
- assertEquals(GuardResult.LOCK_DENIED, PolicyGuard.lockTarget(lock, LOCK_SEC + 2));
- }
-
- @Test(expected = IllegalArgumentException.class)
- public void testMakeOwner_NullTargetType() {
- PolicyGuard.isLocked(null, INSTANCENAME, uuid);
- }
-
- @Test(expected = IllegalArgumentException.class)
- public void testMakeOwner_NullReqId() {
- PolicyGuard.isLocked(TargetType.PNF, INSTANCENAME, null);
- }
-}