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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.brooklyn.entity.webapp;
import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.api.mgmt.entitlement.EntitlementClass;
import org.apache.brooklyn.api.mgmt.entitlement.EntitlementContext;
import org.apache.brooklyn.api.mgmt.entitlement.EntitlementManager;
import org.apache.brooklyn.api.policy.PolicySpec;
import org.apache.brooklyn.api.sensor.AttributeSensor;
import org.apache.brooklyn.core.internal.BrooklynProperties;
import org.apache.brooklyn.core.mgmt.entitlement.Entitlements;
import org.apache.brooklyn.core.mgmt.internal.EffectorUtils;
import org.apache.brooklyn.core.sensor.Sensors;
import org.apache.brooklyn.core.test.BrooklynAppUnitTestSupport;
import org.apache.brooklyn.entity.proxy.TrackingAbstractController;
import org.apache.brooklyn.location.localhost.LocalhostMachineProvisioningLocation;
import org.apache.brooklyn.policy.autoscaling.AutoScalerPolicy;
import org.apache.brooklyn.test.LogWatcher;
import org.apache.brooklyn.test.LogWatcher.EventPredicates;
import org.apache.brooklyn.test.entity.TestJavaWebAppEntity;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.collect.ImmutableList;
import ch.qos.logback.classic.spi.ILoggingEvent;
/**
* See https://issues.apache.org/jira/browse/BROOKLYN-313
*
* That problems was first encountered with auto-scaling a {@link ControlledDynamicWebAppCluster},
* hence testing it explicitly here.
*/
public class EffectorExceptionLoggedTest extends BrooklynAppUnitTestSupport {
private static final Logger LOG = LoggerFactory.getLogger(EffectorExceptionLoggedTest.class);
private LocalhostMachineProvisioningLocation loc;
public static class ThrowingEntitlementManager implements EntitlementManager {
@Override
public <T> boolean isEntitled(EntitlementContext context, EntitlementClass<T> entitlementClass, T entitlementClassArgument) {
if (context == null || context.user() == null) {
LOG.info("Simulating NPE in entitlement manager");
throw new NullPointerException();
}
return true;
}
}
@BeforeMethod(alwaysRun=true)
public void setUp() throws Exception {
super.setUp();
loc = app.newLocalhostProvisioningLocation();
}
protected BrooklynProperties getBrooklynProperties() {
BrooklynProperties result = BrooklynProperties.Factory.newEmpty();
result.put(Entitlements.GLOBAL_ENTITLEMENT_MANAGER, ThrowingEntitlementManager.class.getName());
return result;
}
// Marked as integration, because takes over a second
@Test(groups="Integration")
public void testResizeFailsWhenEntitlementThrowsShouldLogException() throws Exception {
final AttributeSensor<Integer> scalingMetric = Sensors.newIntegerSensor("scalingMetric");
ControlledDynamicWebAppCluster cluster = app.createAndManageChild(EntitySpec.create(ControlledDynamicWebAppCluster.class)
.configure("initialSize", 1)
.configure(ControlledDynamicWebAppCluster.CONTROLLER_SPEC, EntitySpec.create(TrackingAbstractController.class))
.configure(ControlledDynamicWebAppCluster.MEMBER_SPEC, EntitySpec.create(TestJavaWebAppEntity.class))
.policy(PolicySpec.create(AutoScalerPolicy.class)
.configure(AutoScalerPolicy.METRIC, scalingMetric)
.configure(AutoScalerPolicy.MIN_POOL_SIZE, 1)
.configure(AutoScalerPolicy.MAX_POOL_SIZE, 2)
.configure(AutoScalerPolicy.METRIC_LOWER_BOUND, 1)
.configure(AutoScalerPolicy.METRIC_UPPER_BOUND, 10)));
Entitlements.setEntitlementContext(new EntitlementContext() {
@Override
public String user() {
return "myuser";
}});
app.start(ImmutableList.of(loc));
Entitlements.clearEntitlementContext();
String loggerName = EffectorUtils.class.getName();
ch.qos.logback.classic.Level logLevel = ch.qos.logback.classic.Level.DEBUG;
Predicate<ILoggingEvent> filter = Predicates.and(EventPredicates.containsMessage("Error invoking "),
EventPredicates.containsExceptionStackLine(ThrowingEntitlementManager.class, "isEntitled"));
LogWatcher watcher = new LogWatcher(loggerName, logLevel, filter);
watcher.start();
try {
// Cause the auto-scaler to resize, which will fail because of the bad entitlement implementation
cluster.sensors().set(scalingMetric, 50);
watcher.assertHasEventEventually();
} finally {
watcher.close();
}
}
}