/*
* 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.ec2.compute.functions;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.jclouds.compute.util.ComputeServiceUtils.parseOsFamilyOrUnrecognized;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import org.jclouds.collect.Memoized;
import org.jclouds.compute.domain.Image;
import org.jclouds.compute.domain.Image.Status;
import org.jclouds.compute.domain.ImageBuilder;
import org.jclouds.compute.domain.OperatingSystem;
import org.jclouds.compute.domain.OsFamily;
import org.jclouds.compute.reference.ComputeServiceConstants;
import org.jclouds.compute.strategy.PopulateDefaultLoginCredentialsForImageStrategy;
import org.jclouds.compute.util.ComputeServiceUtils;
import org.jclouds.domain.Location;
import org.jclouds.domain.LocationBuilder;
import org.jclouds.domain.LocationScope;
import org.jclouds.ec2.compute.strategy.ReviseParsedImage;
import org.jclouds.ec2.domain.Image.Architecture;
import org.jclouds.ec2.domain.Image.ImageState;
import org.jclouds.ec2.domain.Image.ImageType;
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.collect.ImmutableMap;
import com.google.common.collect.Iterables;
/**
* @author Adrian Cole
*/
@Singleton
public class EC2ImageParser implements Function<org.jclouds.ec2.domain.Image, Image> {
@Resource
@Named(ComputeServiceConstants.COMPUTE_LOGGER)
protected Logger logger = Logger.NULL;
private final Map<ImageState, Status> toPortableImageStatus;
private final PopulateDefaultLoginCredentialsForImageStrategy credentialProvider;
private final Supplier<Set<? extends Location>> locations;
private final Supplier<Location> defaultLocation;
private final Map<OsFamily, Map<String, String>> osVersionMap;
private final ReviseParsedImage reviseParsedImage;
@Inject
public EC2ImageParser(Map<ImageState, Image.Status> toPortableImageStatus,
PopulateDefaultLoginCredentialsForImageStrategy credentialProvider,
Map<OsFamily, Map<String, String>> osVersionMap, @Memoized Supplier<Set<? extends Location>> locations,
Supplier<Location> defaultLocation, ReviseParsedImage reviseParsedImage) {
this.toPortableImageStatus = checkNotNull(toPortableImageStatus, "toPortableImageStatus");
this.credentialProvider = checkNotNull(credentialProvider, "credentialProvider");
this.locations = checkNotNull(locations, "locations");
this.defaultLocation = checkNotNull(defaultLocation, "defaultLocation");
this.osVersionMap = checkNotNull(osVersionMap, "osVersionMap");
this.reviseParsedImage = checkNotNull(reviseParsedImage, "reviseParsedImage");
}
@Override
public Image apply(final org.jclouds.ec2.domain.Image from) {
if (from.getImageType() != ImageType.MACHINE) {
return null;
}
ImageBuilder builder = new ImageBuilder();
builder.providerId(from.getId());
builder.id(from.getRegion() + "/" + from.getId());
builder.name(from.getName());
builder.description(from.getDescription() != null ? from.getDescription() : from.getImageLocation());
builder.userMetadata(ImmutableMap.<String, String> builder().put("owner", from.getImageOwnerId()).put(
"rootDeviceType", from.getRootDeviceType().value()).put("virtualizationType",
from.getVirtualizationType().value()).put("hypervisor", from.getHypervisor().value()).build());
OperatingSystem.Builder osBuilder = OperatingSystem.builder();
osBuilder.is64Bit(from.getArchitecture() == Architecture.X86_64);
OsFamily family = parseOsFamily(from);
osBuilder.family(family);
osBuilder.version(ComputeServiceUtils.parseVersionOrReturnEmptyString(family, from.getImageLocation(),
osVersionMap));
osBuilder.description(from.getImageLocation());
osBuilder.arch(from.getVirtualizationType().value());
reviseParsedImage.reviseParsedImage(from, builder, family, osBuilder);
builder.defaultCredentials(credentialProvider.apply(from));
try {
builder.location(Iterables.find(locations.get(), new Predicate<Location>() {
@Override
public boolean apply(Location input) {
return input.getId().equals(from.getRegion());
}
}));
} catch (NoSuchElementException e) {
logger.error("unknown region %s for image %s; not in %s", from.getRegion(), from.getId(), locations);
builder.location(new LocationBuilder().scope(LocationScope.REGION).id(from.getRegion()).description(
from.getRegion()).parent(defaultLocation.get()).build());
}
builder.operatingSystem(osBuilder.build());
builder.status(toPortableImageStatus.get(from.getImageState()));
builder.backendStatus(from.getRawState());
return builder.build();
}
/**
* First treats windows as a special case: check if platform==windows.
* Then tries matching based on the image name.
* And then falls back to checking other types of platform.
*/
private OsFamily parseOsFamily(org.jclouds.ec2.domain.Image from) {
if (from.getPlatform() != null && from.getPlatform().equalsIgnoreCase("windows")) {
return OsFamily.WINDOWS;
}
OsFamily family = parseOsFamilyOrUnrecognized(from.getImageLocation());
if (family == OsFamily.UNRECOGNIZED && from.getPlatform() != null) {
family = parseOsFamilyOrUnrecognized(from.getPlatform());
}
return family;
}
}