| /* |
| * 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.jclouds.elasticstack.compute; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Predicates.notNull; |
| import static com.google.common.collect.Iterables.contains; |
| import static com.google.common.collect.Iterables.filter; |
| import static org.jclouds.concurrent.FutureIterables.transformParallel; |
| import static org.jclouds.elasticstack.util.Servers.small; |
| |
| import java.util.Map; |
| |
| import javax.annotation.Resource; |
| import javax.inject.Inject; |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.Constants; |
| import org.jclouds.collect.Memoized; |
| import org.jclouds.compute.ComputeServiceAdapter; |
| import org.jclouds.compute.domain.Hardware; |
| import org.jclouds.compute.domain.HardwareBuilder; |
| import org.jclouds.compute.domain.Image; |
| import org.jclouds.compute.domain.Processor; |
| import org.jclouds.compute.domain.Template; |
| import org.jclouds.compute.domain.Volume; |
| import org.jclouds.compute.domain.internal.VolumeImpl; |
| import org.jclouds.compute.reference.ComputeServiceConstants; |
| import org.jclouds.domain.Location; |
| import org.jclouds.domain.LoginCredentials; |
| import org.jclouds.elasticstack.ElasticStackApi; |
| import org.jclouds.elasticstack.domain.Device; |
| import org.jclouds.elasticstack.domain.Drive; |
| import org.jclouds.elasticstack.domain.DriveInfo; |
| import org.jclouds.elasticstack.domain.ImageConversionType; |
| import org.jclouds.elasticstack.domain.Server; |
| import org.jclouds.elasticstack.domain.ServerInfo; |
| import org.jclouds.elasticstack.domain.ServerStatus; |
| import org.jclouds.elasticstack.domain.WellKnownImage; |
| import org.jclouds.elasticstack.reference.ElasticStackConstants; |
| import org.jclouds.logging.Logger; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Supplier; |
| import com.google.common.cache.CacheLoader; |
| import com.google.common.cache.LoadingCache; |
| import com.google.common.collect.FluentIterable; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.ImmutableSet.Builder; |
| import com.google.common.util.concurrent.Futures; |
| import com.google.common.util.concurrent.ListenableFuture; |
| import com.google.common.util.concurrent.ListeningExecutorService; |
| import com.google.common.util.concurrent.UncheckedExecutionException; |
| |
| /** |
| * defines the connection between the {@link org.jclouds.elasticstack.ElasticStackApi} implementation |
| * and the jclouds {@link org.jclouds.compute.ComputeService} |
| * |
| */ |
| @Singleton |
| public class ElasticStackComputeServiceAdapter implements |
| ComputeServiceAdapter<ServerInfo, Hardware, DriveInfo, Location> { |
| private final ElasticStackApi client; |
| private final Predicate<DriveInfo> driveNotClaimed; |
| private final Supplier<Map<String, WellKnownImage>> preinstalledImages; |
| private final LoadingCache<String, DriveInfo> cache; |
| private final String defaultVncPassword; |
| private final ListeningExecutorService userExecutor; |
| |
| @Resource |
| @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| protected Logger logger = Logger.NULL; |
| |
| @Inject |
| public ElasticStackComputeServiceAdapter(ElasticStackApi client, Predicate<DriveInfo> driveNotClaimed, |
| @Memoized Supplier<Map<String, WellKnownImage>> preinstalledImages, LoadingCache<String, DriveInfo> cache, |
| @Named(ElasticStackConstants.PROPERTY_VNC_PASSWORD) String defaultVncPassword, |
| @Named(Constants.PROPERTY_USER_THREADS) ListeningExecutorService userExecutor) { |
| this.client = checkNotNull(client, "client"); |
| this.driveNotClaimed = checkNotNull(driveNotClaimed, "driveNotClaimed"); |
| this.preinstalledImages = checkNotNull(preinstalledImages, "preinstalledImages"); |
| this.cache = checkNotNull(cache, "cache"); |
| this.defaultVncPassword = checkNotNull(defaultVncPassword, "defaultVncPassword"); |
| checkArgument(defaultVncPassword.length() <= 8, "vnc passwords should be less that 8 characters!"); |
| this.userExecutor = checkNotNull(userExecutor, "userExecutor"); |
| } |
| |
| @Override |
| public NodeAndInitialCredentials<ServerInfo> createNodeWithGroupEncodedIntoName(String tag, String name, Template template) { |
| long bootSize = (long) (template.getHardware().getVolumes().get(0).getSize() * 1024 * 1024 * 1024l); |
| |
| logger.debug(">> creating boot drive bytes(%d)", bootSize); |
| DriveInfo drive = client |
| .createDrive(new Drive.Builder().name(template.getImage().getId()).size(bootSize).build()); |
| logger.debug("<< drive (%s)", drive); |
| |
| boolean success = driveNotClaimed.apply(drive); |
| if (!success) { |
| client.destroyDrive(drive.getUuid()); |
| throw new IllegalStateException(String.format("could not create drive %s in time!", drive)); |
| } |
| |
| logger.debug(">> imaging boot drive source(%s)", template.getImage().getId()); |
| client.imageDrive(template.getImage().getId(), drive.getUuid(), ImageConversionType.GUNZIP); |
| boolean ready = driveNotClaimed.apply(drive); |
| if (!ready) { |
| client.destroyDrive(drive.getUuid()); |
| throw new IllegalStateException(String.format("could not image drive %s in time!", drive)); |
| } |
| logger.debug("<< imaged (%s)", drive); |
| |
| template.getOptions().userMetadata(ComputeServiceConstants.NODE_GROUP_KEY, tag); |
| |
| Server toCreate = small(name, drive.getUuid(), defaultVncPassword).mem(template.getHardware().getRam()) |
| .cpu((int) (template.getHardware().getProcessors().get(0).getSpeed())) |
| .tags(template.getOptions().getTags()).userMetadata(template.getOptions().getUserMetadata()).build(); |
| |
| ServerInfo from = client.createServer(toCreate); |
| |
| client.startServer(from.getUuid()); |
| from = client.getServerInfo(from.getUuid()); |
| return new NodeAndInitialCredentials<ServerInfo>(from, from.getUuid(), LoginCredentials.builder() |
| .password(defaultVncPassword).build()); |
| } |
| |
| @Override |
| public Iterable<Hardware> listHardwareProfiles() { |
| Builder<Hardware> hardware = ImmutableSet.builder(); |
| for (double cpu : new double[] { 1000, 5000, 10000, 20000 }) |
| for (int ram : new int[] { 512, 1024, 2048, 4096, 8192 }) { |
| final float size = (float) cpu / 1000; |
| String id = String.format("cpu=%f,ram=%s,disk=%f", cpu, ram, size); |
| hardware.add(new HardwareBuilder().supportsImage(new Predicate<Image>() { |
| |
| @Override |
| public boolean apply(Image input) { |
| String toParse = input.getUserMetadata().get("size"); |
| return toParse != null && new Float(toParse) <= size; |
| } |
| |
| @Override |
| public String toString() { |
| return "sizeLessThanOrEqual(" + size + ")"; |
| } |
| |
| }).ids(id).ram(ram).processors(ImmutableList.of(new Processor(1, cpu))).hypervisor("kvm") |
| .volumes(ImmutableList.<Volume> of(new VolumeImpl(size, true, true))).build()); |
| } |
| return hardware.build(); |
| } |
| |
| /** |
| * look up the current standard images and do not error out, if they are not |
| * found. |
| */ |
| @Override |
| public Iterable<DriveInfo> listImages() { |
| return FluentIterable.from(transformParallel(preinstalledImages.get().keySet(), |
| new Function<String, ListenableFuture<? extends DriveInfo>>() { |
| |
| @Override |
| public ListenableFuture<? extends DriveInfo> apply(String input) { |
| try { |
| return Futures.immediateFuture(cache.getUnchecked(input)); |
| } catch (CacheLoader.InvalidCacheLoadException e) { |
| logger.debug("drive %s not found", input); |
| } catch (UncheckedExecutionException e) { |
| logger.warn(e, "error finding drive %s: %s", input, e.getMessage()); |
| } |
| return Futures.immediateFuture(null); |
| } |
| |
| @Override |
| public String toString() { |
| return "seedDriveCache()"; |
| } |
| |
| }, userExecutor, null, logger, "drives")).filter(notNull()); |
| } |
| |
| @Override |
| public Iterable<ServerInfo> listNodes() { |
| return (Iterable<ServerInfo>) client.listServerInfo(); |
| } |
| |
| @Override |
| public Iterable<ServerInfo> listNodesByIds(final Iterable<String> ids) { |
| return filter(listNodes(), new Predicate<ServerInfo>() { |
| |
| @Override |
| public boolean apply(ServerInfo server) { |
| return contains(ids, server.getUuid()); |
| } |
| }); |
| } |
| |
| @Override |
| public Iterable<Location> listLocations() { |
| // Not using the adapter to determine locations |
| return ImmutableSet.<Location>of(); |
| } |
| |
| @Override |
| public ServerInfo getNode(String id) { |
| return client.getServerInfo(id); |
| } |
| |
| @Override |
| public DriveInfo getImage(String id) { |
| return client.getDriveInfo(id); |
| } |
| |
| @Override |
| public void destroyNode(String id) { |
| ServerInfo server = getNode(id); |
| if (server != null) { |
| if (server.getStatus() != ServerStatus.STOPPED) |
| client.stopServer(id); |
| client.destroyServer(id); |
| for (Device dev : server.getDevices().values()) |
| client.destroyDrive(dev.getDriveUuid()); |
| } |
| } |
| |
| @Override |
| public void rebootNode(String id) { |
| client.resetServer(id); |
| } |
| |
| @Override |
| public void resumeNode(String id) { |
| client.startServer(id); |
| } |
| |
| @Override |
| public void suspendNode(String id) { |
| client.stopServer(id); |
| } |
| } |
