| 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.ec2.compute.strategy; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | import static com.google.common.collect.Iterables.all; |
| 23 | import static com.google.common.collect.Iterables.transform; |
| 24 | import static org.jclouds.ec2.compute.util.EC2ComputeUtils.getZoneFromLocationOrNull; |
| 25 | |
| 26 | import java.util.Map; |
| 27 | import java.util.Set; |
| 28 | import java.util.concurrent.Future; |
| 29 | |
| 30 | import javax.annotation.Resource; |
| 31 | import javax.inject.Inject; |
| 32 | import javax.inject.Named; |
| 33 | import javax.inject.Provider; |
| 34 | import javax.inject.Singleton; |
| 35 | |
| 36 | import org.jclouds.aws.util.AWSUtils; |
| 37 | import org.jclouds.compute.config.CustomizationResponse; |
| 38 | import org.jclouds.compute.domain.NodeMetadata; |
| 39 | import org.jclouds.compute.domain.Template; |
| 40 | import org.jclouds.compute.domain.TemplateBuilder; |
| 41 | import org.jclouds.compute.reference.ComputeServiceConstants; |
| 42 | import org.jclouds.compute.strategy.CreateNodesInGroupThenAddToSet; |
| 43 | import org.jclouds.compute.util.ComputeUtils; |
| 44 | import org.jclouds.domain.Credentials; |
| 45 | import org.jclouds.ec2.EC2Client; |
| 46 | import org.jclouds.ec2.compute.domain.RegionAndName; |
| 47 | import org.jclouds.ec2.compute.predicates.InstancePresent; |
| 48 | import org.jclouds.ec2.domain.RunningInstance; |
| 49 | import org.jclouds.ec2.options.RunInstancesOptions; |
| 50 | import org.jclouds.logging.Logger; |
| 51 | |
| 52 | import com.google.common.annotations.VisibleForTesting; |
| 53 | import com.google.common.base.Function; |
| 54 | import com.google.common.base.Joiner; |
| 55 | import com.google.common.collect.ImmutableSet; |
| 56 | import com.google.common.collect.Iterables; |
| 57 | import com.google.common.collect.Multimap; |
| 58 | |
| 59 | /** |
| 60 | * creates futures that correlate to |
| 61 | * |
| 62 | * @author Adrian Cole |
| 63 | */ |
| 64 | @Singleton |
| 65 | public class EC2CreateNodesInGroupThenAddToSet implements CreateNodesInGroupThenAddToSet { |
| 66 | |
| 67 | @Resource |
| 68 | @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| 69 | protected Logger logger = Logger.NULL; |
| 70 | |
| 71 | @VisibleForTesting |
| 72 | final EC2Client client; |
| 73 | @VisibleForTesting |
| 74 | final CreateKeyPairAndSecurityGroupsAsNeededAndReturnRunOptions createKeyPairAndSecurityGroupsAsNeededAndReturncustomize; |
| 75 | @VisibleForTesting |
| 76 | final Function<RunningInstance, NodeMetadata> runningInstanceToNodeMetadata; |
| 77 | @VisibleForTesting |
| 78 | final ComputeUtils utils; |
| 79 | final InstancePresent instancePresent; |
| 80 | final Function<RunningInstance, Credentials> instanceToCredentials; |
| 81 | final Map<String, Credentials> credentialStore; |
| 82 | final Provider<TemplateBuilder> templateBuilderProvider; |
| 83 | |
| 84 | @Inject |
| 85 | protected EC2CreateNodesInGroupThenAddToSet( |
| 86 | EC2Client client, |
| 87 | Provider<TemplateBuilder> templateBuilderProvider, |
| 88 | CreateKeyPairAndSecurityGroupsAsNeededAndReturnRunOptions createKeyPairAndSecurityGroupsAsNeededAndReturncustomize, |
| 89 | InstancePresent instancePresent, Function<RunningInstance, NodeMetadata> runningInstanceToNodeMetadata, |
| 90 | Function<RunningInstance, Credentials> instanceToCredentials, Map<String, Credentials> credentialStore, |
| 91 | ComputeUtils utils) { |
| 92 | this.client = checkNotNull(client, "client"); |
| 93 | this.templateBuilderProvider = checkNotNull(templateBuilderProvider, "templateBuilderProvider"); |
| 94 | this.instancePresent = checkNotNull(instancePresent, "instancePresent"); |
| 95 | this.createKeyPairAndSecurityGroupsAsNeededAndReturncustomize = checkNotNull( |
| 96 | createKeyPairAndSecurityGroupsAsNeededAndReturncustomize, |
| 97 | "createKeyPairAndSecurityGroupsAsNeededAndReturncustomize"); |
| 98 | this.runningInstanceToNodeMetadata = checkNotNull(runningInstanceToNodeMetadata, "runningInstanceToNodeMetadata"); |
| 99 | this.instanceToCredentials = checkNotNull(instanceToCredentials, "instanceToCredentials"); |
| 100 | this.credentialStore = checkNotNull(credentialStore, "credentialStore"); |
| 101 | this.utils = checkNotNull(utils, "utils"); |
| 102 | } |
| 103 | |
| 104 | public static Function<RunningInstance, RegionAndName> instanceToRegionAndName = new Function<RunningInstance, RegionAndName>() { |
| 105 | @Override |
| 106 | public RegionAndName apply(RunningInstance from) { |
| 107 | return new RegionAndName(from.getRegion(), from.getId()); |
| 108 | } |
| 109 | }; |
| 110 | |
| 111 | @Override |
| 112 | public Map<?, Future<Void>> execute(String group, int count, Template template, Set<NodeMetadata> goodNodes, |
| 113 | Map<NodeMetadata, Exception> badNodes, Multimap<NodeMetadata, CustomizationResponse> customizationResponses) { |
| 114 | // ensure we don't mutate the input template |
| 115 | template = templateBuilderProvider.get().fromTemplate(template).build(); |
| 116 | Iterable<? extends RunningInstance> started = createKeyPairAndSecurityGroupsAsNeededThenRunInstances(group, |
| 117 | count, template); |
| 118 | |
| 119 | Iterable<RegionAndName> ids = transform(started, instanceToRegionAndName); |
| 120 | |
| 121 | String idsString = Joiner.on(',').join(ids); |
| 122 | if (Iterables.size(ids) > 0) { |
| 123 | logger.debug("<< started instances(%s)", idsString); |
| 124 | all(ids, instancePresent); |
| 125 | logger.debug("<< present instances(%s)", idsString); |
| 126 | populateCredentials(started); |
| 127 | } |
| 128 | |
| 129 | return utils.customizeNodesAndAddToGoodMapOrPutExceptionIntoBadMap(template.getOptions(), transform(started, |
| 130 | runningInstanceToNodeMetadata), goodNodes, badNodes, customizationResponses); |
| 131 | } |
| 132 | |
| 133 | protected void populateCredentials(Iterable<? extends RunningInstance> started) { |
| 134 | Credentials credentials = null; |
| 135 | for (RunningInstance instance : started) { |
| 136 | credentials = instanceToCredentials.apply(instance); |
| 137 | if (credentials != null) |
| 138 | break; |
| 139 | } |
| 140 | if (credentials != null) |
| 141 | for (RunningInstance instance : started) |
| 142 | credentialStore.put("node#" + instance.getRegion() + "/" + instance.getId(), credentials); |
| 143 | } |
| 144 | |
| 145 | // TODO write test for this |
| 146 | protected Iterable<? extends RunningInstance> createKeyPairAndSecurityGroupsAsNeededThenRunInstances(String group, |
| 147 | int count, Template template) { |
| 148 | String region = AWSUtils.getRegionFromLocationOrNull(template.getLocation()); |
| 149 | String zone = getZoneFromLocationOrNull(template.getLocation()); |
| 150 | RunInstancesOptions instanceOptions = createKeyPairAndSecurityGroupsAsNeededAndReturncustomize.execute(region, |
| 151 | group, template); |
| 152 | return createNodesInRegionAndZone(region, zone, count, template, instanceOptions); |
| 153 | } |
| 154 | |
| 155 | protected Iterable<? extends RunningInstance> createNodesInRegionAndZone(String region, String zone, int count, |
| 156 | Template template, RunInstancesOptions instanceOptions) { |
| 157 | int countStarted = 0; |
| 158 | int tries = 0; |
| 159 | Iterable<? extends RunningInstance> started = ImmutableSet.<RunningInstance> of(); |
| 160 | |
| 161 | while (countStarted < count && tries++ < count) { |
| 162 | if (logger.isDebugEnabled()) |
| 163 | logger.debug(">> running %d instance region(%s) zone(%s) ami(%s) params(%s)", count - countStarted, region, |
| 164 | zone, template.getImage().getProviderId(), instanceOptions.buildFormParameters()); |
| 165 | |
| 166 | started = Iterables.concat(started, client.getInstanceServices().runInstancesInRegion(region, zone, |
| 167 | template.getImage().getProviderId(), 1, count - countStarted, instanceOptions)); |
| 168 | |
| 169 | countStarted = Iterables.size(started); |
| 170 | if (countStarted < count) |
| 171 | logger.debug(">> not enough instances (%d/%d) started, attempting again", countStarted, count); |
| 172 | } |
| 173 | return started; |
| 174 | } |
| 175 | |
| 176 | } |