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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.location.multi;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
import java.net.InetAddress;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import javax.annotation.Nullable;
import org.apache.brooklyn.api.location.Location;
import org.apache.brooklyn.api.location.MachineLocation;
import org.apache.brooklyn.api.location.MachineProvisioningLocation;
import org.apache.brooklyn.api.location.NoMachinesAvailableException;
import org.apache.brooklyn.core.entity.Entities;
import org.apache.brooklyn.core.internal.BrooklynProperties;
import org.apache.brooklyn.core.location.LocationPredicates;
import org.apache.brooklyn.core.location.cloud.AvailabilityZoneExtension;
import org.apache.brooklyn.core.mgmt.internal.LocalManagementContext;
import org.apache.brooklyn.core.test.entity.LocalManagementContextForTests;
import org.apache.brooklyn.location.byon.FixedListMachineProvisioningLocation;
import org.apache.brooklyn.location.localhost.LocalhostMachineProvisioningLocation;
import org.apache.brooklyn.location.multi.MultiLocation;
import org.apache.brooklyn.location.ssh.SshMachineLocation;
import org.apache.brooklyn.util.collections.MutableList;
import org.apache.brooklyn.util.collections.MutableMap;
import org.apache.brooklyn.util.exceptions.Exceptions;
import org.testng.Assert;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.google.common.base.Objects;
import com.google.common.base.Optional;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
public class MultiLocationResolverTest {
private BrooklynProperties brooklynProperties;
private LocalManagementContext managementContext;
@BeforeMethod(alwaysRun=true)
public void setUp() throws Exception {
managementContext = LocalManagementContextForTests.newInstance();
brooklynProperties = managementContext.getBrooklynProperties();
}
@AfterMethod(alwaysRun=true)
public void tearDown() throws Exception {
if (managementContext != null) Entities.destroyAll(managementContext);
}
@Test
public void testThrowsOnInvalid() throws Exception {
assertThrowsNoSuchElement("wrongprefix:(hosts=\"1.1.1.1\")");
assertThrowsIllegalArgument("single");
}
@Test
public void testThrowsOnInvalidTarget() throws Exception {
assertThrowsIllegalArgument("multi:()");
assertThrowsIllegalArgument("multi:(wrongprefix:(hosts=\"1.1.1.1\"))");
assertThrowsIllegalArgument("multi:(foo:bar)");
}
@Test
public void testCleansUpOnInvalidTarget() {
assertThrowsNoSuchElement("multi:(targets=\"localhost:(name=testCleansUpOnInvalidTarget),thisNamedLocationDoesNotExist\")");
Optional<Location> subtarget = Iterables.tryFind(managementContext.getLocationManager().getLocations(), LocationPredicates.displayNameEqualTo("testCleansUpOnInvalidTarget"));
assertFalse(subtarget.isPresent(), "subtarget="+subtarget);
}
@Test
public void testResolvesSubLocs() {
assertMultiLocation(resolve("multi:(targets=localhost)"), 1, ImmutableList.of(Predicates.instanceOf(LocalhostMachineProvisioningLocation.class)));
assertMultiLocation(resolve("multi:(targets=\"localhost,localhost\")"), 2, Collections.nCopies(2, Predicates.instanceOf(LocalhostMachineProvisioningLocation.class)));
assertMultiLocation(resolve("multi:(targets=\"localhost,localhost,localhost\")"), 3, Collections.nCopies(3, Predicates.instanceOf(LocalhostMachineProvisioningLocation.class)));
assertMultiLocation(resolve("multi:(targets=\"localhost:(name=mysubname)\")"), 1, ImmutableList.of(displayNameEqualTo("mysubname")));
assertMultiLocation(resolve("multi:(targets=byon:(hosts=\"1.1.1.1\"))"), 1, ImmutableList.of(Predicates.and(
Predicates.instanceOf(FixedListMachineProvisioningLocation.class),
new Predicate<MachineProvisioningLocation>() {
@Override public boolean apply(MachineProvisioningLocation input) {
SshMachineLocation machine;
try {
machine = (SshMachineLocation) input.obtain(ImmutableMap.of());
} catch (NoMachinesAvailableException e) {
throw Exceptions.propagate(e);
}
try {
String addr = ((SshMachineLocation)machine).getAddress().getHostAddress();
return addr != null && addr.equals("1.1.1.1");
} finally {
input.release(machine);
}
}
})));
assertMultiLocation(resolve("multi:(targets=\"byon:(hosts=1.1.1.1),byon:(hosts=1.1.1.2)\")"), 2, Collections.nCopies(2, Predicates.instanceOf(FixedListMachineProvisioningLocation.class)));
}
@Test
public void testResolvesName() {
MultiLocation<SshMachineLocation> multiLoc = resolve("multi:(name=myname,targets=localhost)");
assertEquals(multiLoc.getDisplayName(), "myname");
}
@Test
public void testNamedByonLocation() throws Exception {
brooklynProperties.put("brooklyn.location.named.mynamed", "multi:(targets=byon:(hosts=\"1.1.1.1\"))");
MultiLocation<SshMachineLocation> loc = resolve("named:mynamed");
assertEquals(loc.obtain(ImmutableMap.of()).getAddress(), InetAddress.getByName("1.1.1.1"));
}
@Test
public void testResolvesFromMap() throws NoMachinesAvailableException {
Location l = managementContext.getLocationRegistry().resolve("multi", MutableMap.of("targets",
MutableList.of("localhost", MutableMap.of("byon", MutableMap.of("hosts", "127.0.0.127")))));
MultiLocation<?> ml = (MultiLocation<?>)l;
Iterator<MachineProvisioningLocation<?>> ci = ml.getSubLocations().iterator();
l = ci.next();
Assert.assertTrue(l instanceof LocalhostMachineProvisioningLocation, "Expected localhost, got "+l);
l = ci.next();
Assert.assertTrue(l instanceof FixedListMachineProvisioningLocation, "Expected fixed, got "+l);
MachineLocation sl = ((FixedListMachineProvisioningLocation<?>)l).obtain();
Assert.assertEquals(sl.getAddress().getHostAddress(), "127.0.0.127");
Assert.assertFalse(ci.hasNext());
}
private void assertThrowsNoSuchElement(String val) {
try {
resolve(val);
fail();
} catch (NoSuchElementException e) {
// success
}
}
private void assertThrowsIllegalArgument(String val) {
try {
resolve(val);
fail();
} catch (IllegalArgumentException e) {
// success
}
}
@SuppressWarnings("unchecked")
private MultiLocation<SshMachineLocation> resolve(String val) {
return (MultiLocation<SshMachineLocation>) managementContext.getLocationRegistry().resolve(val);
}
@SuppressWarnings("rawtypes")
private void assertMultiLocation(MultiLocation<?> multiLoc, int expectedSize, List<? extends Predicate> expectedSubLocationPredicates) {
AvailabilityZoneExtension zones = multiLoc.getExtension(AvailabilityZoneExtension.class);
List<Location> subLocs = zones.getAllSubLocations();
assertEquals(subLocs.size(), expectedSize, "zones="+subLocs);
for (int i = 0; i < subLocs.size(); i++) {
MachineProvisioningLocation subLoc = (MachineProvisioningLocation) subLocs.get(i);
assertTrue(expectedSubLocationPredicates.get(i).apply(subLoc), "index="+i+"; subLocs="+subLocs);
}
}
public static <T> Predicate<Location> displayNameEqualTo(final T val) {
return new Predicate<Location>() {
@Override
public boolean apply(@Nullable Location input) {
return Objects.equal(input.getDisplayName(), val);
}
};
}
}