| /* |
| * 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.byon; |
| |
| import java.util.Map; |
| |
| import org.apache.brooklyn.api.location.Location; |
| import org.apache.brooklyn.api.location.LocationRegistry; |
| import org.apache.brooklyn.api.location.LocationSpec; |
| import org.apache.brooklyn.core.location.AbstractLocationResolver; |
| import org.apache.brooklyn.core.location.LocationConfigUtils; |
| import org.apache.brooklyn.core.location.LocationPropertiesFromBrooklynProperties; |
| import org.apache.brooklyn.core.location.internal.LocationInternal; |
| import org.apache.brooklyn.util.core.config.ConfigBag; |
| import org.apache.brooklyn.util.exceptions.Exceptions; |
| import org.apache.brooklyn.util.guava.Maybe; |
| import org.apache.brooklyn.util.guava.Maybe.Absent; |
| import org.apache.brooklyn.util.text.KeyValueParser; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.Iterables; |
| |
| public class HostLocationResolver extends AbstractLocationResolver { |
| |
| private static final String HOST = "host"; |
| |
| @SuppressWarnings("rawtypes") |
| @Override |
| public Location newLocationFromString(Map locationFlags, String spec, LocationRegistry registry) { |
| // Extract args from spec |
| ParsedSpec parsedSpec = specParser.parse(spec); |
| Map<String, String> argsMap = parsedSpec.argsMap; |
| if (argsMap.isEmpty()) { |
| throw new IllegalArgumentException("Invalid host spec (no host supplied): "+spec); |
| } else if (argsMap.size() == 1 && Iterables.get(argsMap.values(), 0) == null) { |
| // only given ip or hostname |
| argsMap = ImmutableMap.of("hosts", Iterables.get(argsMap.keySet(), 0)); |
| } else if (!(argsMap.containsKey("host") || argsMap.containsKey("hosts"))) { |
| throw new IllegalArgumentException("Invalid host spec (no host supplied): "+spec); |
| } |
| |
| // Find generic applicable properties |
| Map globalProperties = registry.getProperties(); |
| String namedLocation = (String) locationFlags.get(LocationInternal.NAMED_SPEC_NAME.getName()); |
| Map<String, Object> filteredProperties = new LocationPropertiesFromBrooklynProperties().getLocationProperties(null, namedLocation, globalProperties); |
| ConfigBag flags = ConfigBag.newInstance(locationFlags).putIfAbsent(filteredProperties); |
| flags.remove(LocationInternal.NAMED_SPEC_NAME); |
| |
| // Generate target spec |
| String target = "byon("+KeyValueParser.toLine(argsMap)+")"; |
| Maybe<Location> testResolve = managementContext.getLocationRegistry().resolve(target, false, null); |
| if (!testResolve.isPresent()) { |
| throw new IllegalArgumentException("Invalid target location '" + target + "' for location '"+HOST+"': "+ |
| Exceptions.collapseText( ((Absent<?>)testResolve).getException() ), ((Absent<?>)testResolve).getException()); |
| } |
| |
| return managementContext.getLocationManager().createLocation(LocationSpec.create(SingleMachineProvisioningLocation.class) |
| .configure("location", target) |
| .configure("locationFlags", flags.getAllConfig()) |
| .configure(LocationConfigUtils.finalAndOriginalSpecs(spec, locationFlags, globalProperties, namedLocation))); |
| } |
| |
| @Override |
| public String getPrefix() { |
| return HOST; |
| } |
| |
| @Override |
| protected Class<? extends Location> getLocationType() { |
| return SingleMachineProvisioningLocation.class; |
| } |
| |
| @Override |
| protected SpecParser getSpecParser() { |
| return new SpecParser(getPrefix()).setExampleUsage("\"host(1.1.1.1)\" or \"host(host=1.1.1.1,name=myname)\""); |
| } |
| } |