| 1 | /** |
| 2 | * |
| 3 | * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com> |
| 4 | * |
| 5 | * ==================================================================== |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * ==================================================================== |
| 18 | */ |
| 19 | package org.jclouds.aws.ec2.compute.suppliers; |
| 20 | |
| 21 | import static com.google.common.collect.Iterables.concat; |
| 22 | import static com.google.common.collect.Iterables.transform; |
| 23 | import static com.google.common.collect.Maps.uniqueIndex; |
| 24 | import static org.jclouds.aws.ec2.reference.AWSEC2Constants.PROPERTY_EC2_AMI_QUERY; |
| 25 | import static org.jclouds.aws.ec2.reference.AWSEC2Constants.PROPERTY_EC2_CC_AMI_QUERY; |
| 26 | import static org.jclouds.aws.ec2.reference.AWSEC2Constants.PROPERTY_EC2_CC_REGIONS; |
| 27 | |
| 28 | import java.util.Map; |
| 29 | import java.util.Set; |
| 30 | import java.util.concurrent.ExecutorService; |
| 31 | import java.util.concurrent.Future; |
| 32 | |
| 33 | import javax.annotation.Resource; |
| 34 | import javax.inject.Inject; |
| 35 | import javax.inject.Named; |
| 36 | import javax.inject.Singleton; |
| 37 | |
| 38 | import org.jclouds.Constants; |
| 39 | import org.jclouds.aws.ec2.compute.config.ClusterCompute; |
| 40 | import org.jclouds.compute.domain.Image; |
| 41 | import org.jclouds.compute.reference.ComputeServiceConstants; |
| 42 | import org.jclouds.ec2.compute.domain.RegionAndName; |
| 43 | import org.jclouds.location.Region; |
| 44 | import org.jclouds.logging.Logger; |
| 45 | |
| 46 | import com.google.common.base.Function; |
| 47 | import com.google.common.base.Splitter; |
| 48 | import com.google.common.base.Supplier; |
| 49 | import com.google.common.base.Throwables; |
| 50 | import com.google.common.collect.ImmutableMultimap; |
| 51 | import com.google.common.collect.ImmutableSet; |
| 52 | import com.google.common.collect.Iterables; |
| 53 | import com.google.common.collect.Multimap; |
| 54 | import com.google.common.util.concurrent.Futures; |
| 55 | |
| 56 | /** |
| 57 | * |
| 58 | * @author Adrian Cole |
| 59 | */ |
| 60 | @Singleton |
| 61 | public class AWSRegionAndNameToImageSupplier implements Supplier<Map<RegionAndName, ? extends Image>> { |
| 62 | @Resource |
| 63 | @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| 64 | protected Logger logger = Logger.NULL; |
| 65 | |
| 66 | private final Map<RegionAndName, Image> images; |
| 67 | private final Set<String> clusterComputeIds; |
| 68 | private final CallForImages.Factory factory; |
| 69 | private final ExecutorService executor; |
| 70 | |
| 71 | private final Iterable<String> regions; |
| 72 | private final String amiQuery; |
| 73 | private final Iterable<String> clusterRegions; |
| 74 | private final String ccAmiQuery; |
| 75 | |
| 76 | @Inject |
| 77 | protected AWSRegionAndNameToImageSupplier(@Region Set<String> regions, |
| 78 | @Named(PROPERTY_EC2_AMI_QUERY) String amiQuery, @Named(PROPERTY_EC2_CC_REGIONS) String clusterRegions, |
| 79 | @Named(PROPERTY_EC2_CC_AMI_QUERY) String ccAmiQuery, Map<RegionAndName, Image> images, |
| 80 | CallForImages.Factory factory, @ClusterCompute Set<String> clusterComputeIds, |
| 81 | @Named(Constants.PROPERTY_USER_THREADS) ExecutorService executor) { |
| 82 | this.factory = factory; |
| 83 | this.regions = regions; |
| 84 | this.amiQuery = amiQuery; |
| 85 | this.clusterRegions = Splitter.on(',').split(clusterRegions); |
| 86 | this.ccAmiQuery = ccAmiQuery; |
| 87 | this.images = images; |
| 88 | this.clusterComputeIds = clusterComputeIds; |
| 89 | this.executor = executor; |
| 90 | } |
| 91 | |
| 92 | @Override |
| 93 | public Map<RegionAndName, ? extends Image> get() { |
| 94 | Future<Iterable<Image>> normalImages = images(regions, amiQuery, PROPERTY_EC2_AMI_QUERY); |
| 95 | ImmutableSet<Image> clusterImages; |
| 96 | try { |
| 97 | clusterImages = ImmutableSet.copyOf(images(clusterRegions, ccAmiQuery, PROPERTY_EC2_CC_AMI_QUERY).get()); |
| 98 | } catch (Exception e) { |
| 99 | logger.warn(e, "Error parsing images in query %s", ccAmiQuery); |
| 100 | Throwables.propagate(e); |
| 101 | return null; |
| 102 | } |
| 103 | Iterables.addAll(clusterComputeIds, transform(clusterImages, new Function<Image, String>() { |
| 104 | |
| 105 | @Override |
| 106 | public String apply(Image arg0) { |
| 107 | return arg0.getId(); |
| 108 | } |
| 109 | })); |
| 110 | Iterable<? extends Image> parsedImages; |
| 111 | try { |
| 112 | parsedImages = ImmutableSet.copyOf(concat(clusterImages, normalImages.get())); |
| 113 | } catch (Exception e) { |
| 114 | logger.warn(e, "Error parsing images in query %s", amiQuery); |
| 115 | Throwables.propagate(e); |
| 116 | return null; |
| 117 | } |
| 118 | |
| 119 | images.putAll(uniqueIndex(parsedImages, new Function<Image, RegionAndName>() { |
| 120 | |
| 121 | @Override |
| 122 | public RegionAndName apply(Image from) { |
| 123 | return new RegionAndName(from.getLocation().getId(), from.getProviderId()); |
| 124 | } |
| 125 | |
| 126 | })); |
| 127 | return images; |
| 128 | } |
| 129 | |
| 130 | private Future<Iterable<Image>> images(Iterable<String> regions, String query, String tag) { |
| 131 | if (query.equals("")) { |
| 132 | logger.debug(">> no %s specified, skipping image parsing", tag); |
| 133 | return Futures.<Iterable<Image>> immediateFuture(ImmutableSet.<Image> of()); |
| 134 | } else { |
| 135 | return executor.submit(factory.parseImagesFromRegionsUsingFilter(regions, QueryStringToMultimap.INSTANCE |
| 136 | .apply(query))); |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | public static enum QueryStringToMultimap implements Function<String, Multimap<String, String>> { |
| 141 | INSTANCE; |
| 142 | @Override |
| 143 | public Multimap<String, String> apply(String arg0) { |
| 144 | ImmutableMultimap.Builder<String, String> builder = ImmutableMultimap.<String, String> builder(); |
| 145 | for (String pair : Splitter.on(';').split(arg0)) { |
| 146 | String[] keyValue = pair.split("="); |
| 147 | if (keyValue.length == 1) |
| 148 | builder.putAll(keyValue[0], ImmutableSet.<String> of()); |
| 149 | else |
| 150 | builder.putAll(keyValue[0], Splitter.on(',').split(keyValue[1])); |
| 151 | } |
| 152 | return builder.build(); |
| 153 | } |
| 154 | } |
| 155 | } |