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org.jclouds.googlecomputeengine.compute.GoogleComputeEngineServiceAdapter Maven / Gradle / Ivy
/*
* 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.googlecomputeengine.compute;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import static com.google.common.collect.Iterables.contains;
import static com.google.common.collect.Iterables.filter;
import static com.google.common.collect.Iterables.tryFind;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.jclouds.googlecomputeengine.GoogleComputeEngineConstants.CENTOS_PROJECT;
import static org.jclouds.googlecomputeengine.GoogleComputeEngineConstants.DEBIAN_PROJECT;
import static org.jclouds.googlecomputeengine.GoogleComputeEngineConstants.GCE_BOOT_DISK_SUFFIX;
import static org.jclouds.googlecomputeengine.GoogleComputeEngineConstants.GCE_DELETE_BOOT_DISK_METADATA_KEY;
import static org.jclouds.googlecomputeengine.GoogleComputeEngineConstants.GCE_IMAGE_METADATA_KEY;
import static org.jclouds.googlecomputeengine.GoogleComputeEngineConstants.OPERATION_COMPLETE_INTERVAL;
import static org.jclouds.googlecomputeengine.GoogleComputeEngineConstants.OPERATION_COMPLETE_TIMEOUT;
import static org.jclouds.googlecomputeengine.domain.Instance.NetworkInterface.AccessConfig.Type;
import static org.jclouds.googlecomputeengine.predicates.InstancePredicates.isBootDisk;
import static org.jclouds.util.Predicates2.retry;
import java.net.URI;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import javax.annotation.Resource;
import javax.inject.Named;
import org.jclouds.collect.Memoized;
import org.jclouds.compute.ComputeServiceAdapter;
import org.jclouds.compute.domain.Hardware;
import org.jclouds.compute.domain.Template;
import org.jclouds.compute.options.TemplateOptions;
import org.jclouds.compute.reference.ComputeServiceConstants;
import org.jclouds.domain.Location;
import org.jclouds.domain.LoginCredentials;
import org.jclouds.googlecomputeengine.GoogleComputeEngineApi;
import org.jclouds.googlecomputeengine.compute.functions.FirewallTagNamingConvention;
import org.jclouds.googlecomputeengine.compute.options.GoogleComputeEngineTemplateOptions;
import org.jclouds.googlecomputeengine.config.UserProject;
import org.jclouds.googlecomputeengine.domain.Disk;
import org.jclouds.googlecomputeengine.domain.Image;
import org.jclouds.googlecomputeengine.domain.Instance;
import org.jclouds.googlecomputeengine.domain.Instance.AttachedDisk;
import org.jclouds.googlecomputeengine.domain.Instance.PersistentAttachedDisk;
import org.jclouds.googlecomputeengine.domain.InstanceInZone;
import org.jclouds.googlecomputeengine.domain.InstanceTemplate;
import org.jclouds.googlecomputeengine.domain.InstanceTemplate.PersistentDisk;
import org.jclouds.googlecomputeengine.domain.InstanceTemplate.PersistentDisk.Mode;
import org.jclouds.googlecomputeengine.domain.MachineType;
import org.jclouds.googlecomputeengine.domain.MachineTypeInZone;
import org.jclouds.googlecomputeengine.domain.Operation;
import org.jclouds.googlecomputeengine.domain.SlashEncodedIds;
import org.jclouds.googlecomputeengine.domain.Zone;
import org.jclouds.googlecomputeengine.features.InstanceApi;
import org.jclouds.http.HttpResponse;
import org.jclouds.logging.Logger;
import com.google.common.base.Function;
import com.google.common.base.Objects;
import com.google.common.base.Optional;
import com.google.common.base.Predicate;
import com.google.common.base.Supplier;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import com.google.common.primitives.Ints;
import com.google.common.util.concurrent.Atomics;
import com.google.common.util.concurrent.UncheckedTimeoutException;
import com.google.inject.Inject;
/**
* @author David Alves
*/
public class GoogleComputeEngineServiceAdapter implements ComputeServiceAdapter {
@Resource
@Named(ComputeServiceConstants.COMPUTE_LOGGER)
protected Logger logger = Logger.NULL;
private final GoogleComputeEngineApi api;
private final Supplier userProject;
private final Supplier> zones;
private final Function> metatadaFromTemplateOptions;
private final Predicate> retryOperationDonePredicate;
private final long operationCompleteCheckInterval;
private final long operationCompleteCheckTimeout;
private final FirewallTagNamingConvention.Factory firewallTagNamingConvention;
@Inject
public GoogleComputeEngineServiceAdapter(GoogleComputeEngineApi api,
@UserProject Supplier userProject,
Function> metatadaFromTemplateOptions,
@Named("zone") Predicate> operationDonePredicate,
@Named(OPERATION_COMPLETE_INTERVAL) Long operationCompleteCheckInterval,
@Named(OPERATION_COMPLETE_TIMEOUT) Long operationCompleteCheckTimeout,
@Memoized Supplier> zones,
FirewallTagNamingConvention.Factory firewallTagNamingConvention) {
this.api = checkNotNull(api, "google compute api");
this.userProject = checkNotNull(userProject, "user project name");
this.metatadaFromTemplateOptions = checkNotNull(metatadaFromTemplateOptions,
"metadata from template options function");
this.operationCompleteCheckInterval = checkNotNull(operationCompleteCheckInterval,
"operation completed check interval");
this.operationCompleteCheckTimeout = checkNotNull(operationCompleteCheckTimeout,
"operation completed check timeout");
this.retryOperationDonePredicate = retry(operationDonePredicate, operationCompleteCheckTimeout,
operationCompleteCheckInterval, TimeUnit.MILLISECONDS);
this.zones = checkNotNull(zones, "zones");
this.firewallTagNamingConvention = checkNotNull(firewallTagNamingConvention, "firewallTagNamingConvention");
}
@Override
public NodeAndInitialCredentials createNodeWithGroupEncodedIntoName(
final String group, final String name, final Template template) {
checkNotNull(template, "template");
GoogleComputeEngineTemplateOptions options = GoogleComputeEngineTemplateOptions.class.cast(template.getOptions()).clone();
checkState(options.getNetwork().isPresent(), "network was not present in template options");
Hardware hardware = checkNotNull(template.getHardware(), "hardware must be set");
checkNotNull(hardware.getUri(), "hardware must have a URI");
checkNotNull(template.getImage().getUri(), "image URI is null");
// Note that the ordering is significant here - the first disk must be the boot disk.
List disks = Lists.newArrayList();
if (!tryFind(options.getDisks(), isBootDisk()).isPresent()) {
Disk bootDisk = createBootDisk(template, name);
disks.add(new PersistentDisk(Mode.READ_WRITE,
bootDisk.getSelfLink(),
null,
true,
true));
}
disks.addAll(options.getDisks());
InstanceTemplate instanceTemplate = InstanceTemplate.builder()
.forMachineType(hardware.getUri());
if (options.isEnableNat()) {
instanceTemplate.addNetworkInterface(options.getNetwork().get(), Type.ONE_TO_ONE_NAT);
} else {
instanceTemplate.addNetworkInterface(options.getNetwork().get());
}
instanceTemplate.disks(disks);
LoginCredentials credentials = getFromImageAndOverrideIfRequired(template.getImage(), options);
ImmutableMap.Builder metadataBuilder = metatadaFromTemplateOptions.apply(options);
metadataBuilder.put(GCE_IMAGE_METADATA_KEY, template.getImage().getUri().toString());
if (!options.shouldKeepBootDisk()) {
metadataBuilder.put(GCE_DELETE_BOOT_DISK_METADATA_KEY, Boolean.TRUE.toString());
}
instanceTemplate.metadata(metadataBuilder.build());
instanceTemplate.serviceAccounts(options.getServiceAccounts());
final InstanceApi instanceApi = api.getInstanceApiForProject(userProject.get());
final String zone = template.getLocation().getId();
Operation operation = instanceApi.createInZone(name, zone, instanceTemplate);
if (options.shouldBlockUntilRunning()) {
waitOperationDone(operation);
}
// some times the newly created instances are not immediately returned
AtomicReference instance = Atomics.newReference();
retry(new Predicate>() {
@Override
public boolean apply(AtomicReference input) {
input.set(instanceApi.getInZone(zone, name));
return input.get() != null;
}
}, operationCompleteCheckTimeout, operationCompleteCheckInterval, MILLISECONDS).apply(instance);
if (!options.getTags().isEmpty()) {
Operation tagsOperation = instanceApi.setTagsInZone(zone,
name, options.getTags(), instance.get().getTags().getFingerprint());
waitOperationDone(tagsOperation);
retry(new Predicate>() {
@Override
public boolean apply(AtomicReference input) {
input.set(instanceApi.getInZone(zone, name));
return input.get() != null;
}
}, operationCompleteCheckTimeout, operationCompleteCheckInterval, MILLISECONDS).apply(instance);
}
// Add tags for security groups
final FirewallTagNamingConvention naming = firewallTagNamingConvention.get(group);
Set tags = FluentIterable.from(Ints.asList(options.getInboundPorts()))
.transform(new Function(){
@Override
public String apply(Integer input) {
return input != null
? naming.name(input)
: null;
}
})
.toSet();
instanceApi.setTagsInZone(zone, instance.get().getName(), tags, instance.get().getTags().getFingerprint());
InstanceInZone instanceInZone = new InstanceInZone(instance.get(), zone);
return new NodeAndInitialCredentials(instanceInZone, instanceInZone.slashEncode(), credentials);
}
private Disk createBootDisk(Template template, String instanceName) {
URI imageUri = template.getImage().getUri();
GoogleComputeEngineTemplateOptions options = GoogleComputeEngineTemplateOptions.class.cast(template.getOptions()).clone();
int diskSize = options.getBootDiskSize().or(10l).intValue();
String diskName = instanceName + "-" + GCE_BOOT_DISK_SUFFIX;
Operation diskOperation = api.getDiskApiForProject(userProject.get())
.createFromImageWithSizeInZone(imageUri.toString(),
diskName,
diskSize,
template.getLocation().getId());
waitOperationDone(diskOperation);
return api.getDiskApiForProject(userProject.get()).getInZone(template.getLocation().getId(),
diskName);
}
@Override
public Iterable listHardwareProfiles() {
ImmutableSet.Builder builder = ImmutableSet.builder();
for (final Location zone : zones.get().values()) {
builder.addAll(api.getMachineTypeApiForProject(userProject.get())
.listInZone(zone.getId())
.concat()
.transform(new Function() {
@Override
public MachineTypeInZone apply(MachineType arg0) {
return new MachineTypeInZone(arg0, arg0.getZone());
}
}));
}
return builder.build();
}
@Override
public Iterable listImages() {
return ImmutableSet.builder()
.addAll(api.getImageApiForProject(userProject.get()).list().concat())
.addAll(api.getImageApiForProject(DEBIAN_PROJECT).list().concat())
.addAll(api.getImageApiForProject(CENTOS_PROJECT).list().concat())
.build();
}
@Override
public Image getImage(String id) {
return Objects.firstNonNull(api.getImageApiForProject(userProject.get()).get(id),
Objects.firstNonNull(api.getImageApiForProject(DEBIAN_PROJECT).get(id),
api.getImageApiForProject(CENTOS_PROJECT).get(id)));
}
@Override
public Iterable listLocations() {
return api.getZoneApiForProject(userProject.get()).list().concat();
}
@Override
public InstanceInZone getNode(String name) {
SlashEncodedIds slashEncodedIds = SlashEncodedIds.fromSlashEncoded(name);
Instance instance= api.getInstanceApiForProject(userProject.get()).getInZone(slashEncodedIds.getFirstId(),
slashEncodedIds.getSecondId());
return instance == null ? null : new InstanceInZone(instance, slashEncodedIds.getFirstId());
}
@Override
public Iterable listNodes() {
return FluentIterable.from(zones.get().values()).transformAndConcat(new Function>() {
@Override
public ImmutableSet apply(final Location input) {
return api.getInstanceApiForProject(userProject.get()).listInZone(input.getId()).concat()
.transform(new Function() {
@Override
public InstanceInZone apply(Instance arg0) {
return new InstanceInZone(arg0, input.getId());
}
}).toSet();
}
}).toSet();
}
@Override
public Iterable listNodesByIds(final Iterable ids) {
return filter(listNodes(), new Predicate() {
@Override
public boolean apply(InstanceInZone instanceInZone) {
return contains(ids, instanceInZone.getInstance().getName());
}
});
}
@Override
public void destroyNode(final String name) {
SlashEncodedIds slashEncodedIds = SlashEncodedIds.fromSlashEncoded(name);
String diskName = null;
try {
Instance instance = api.getInstanceApiForProject(userProject.get()).getInZone(slashEncodedIds.getFirstId(),
slashEncodedIds.getSecondId());
if (instance.getMetadata().getItems().get(GCE_DELETE_BOOT_DISK_METADATA_KEY).equals("true")) {
Optional disk = tryFind(instance.getDisks(), new Predicate() {
@Override
public boolean apply(AttachedDisk input) {
return PersistentAttachedDisk.class.isInstance(input) &&
PersistentAttachedDisk.class.cast(input).isBoot();
}
});
if (disk.isPresent()) {
diskName = PersistentAttachedDisk.class.cast(disk.get()).getSourceDiskName();
}
}
} catch (Exception e) {
// TODO: what exception actually gets thrown here if the instance doesn't really exist?
}
waitOperationDone(api.getInstanceApiForProject(userProject.get()).deleteInZone(slashEncodedIds.getFirstId(),
slashEncodedIds.getSecondId()));
if (diskName != null) {
waitOperationDone(api.getDiskApiForProject(userProject.get()).deleteInZone(slashEncodedIds.getFirstId(),
diskName));
}
}
@Override
public void rebootNode(final String name) {
SlashEncodedIds slashEncodedIds = SlashEncodedIds.fromSlashEncoded(name);
waitOperationDone(api.getInstanceApiForProject(userProject.get()).resetInZone(slashEncodedIds.getFirstId(),
slashEncodedIds.getSecondId()));
}
@Override
public void resumeNode(String name) {
throw new UnsupportedOperationException("resume is not supported by GCE");
}
@Override
public void suspendNode(String name) {
throw new UnsupportedOperationException("suspend is not supported by GCE");
}
private LoginCredentials getFromImageAndOverrideIfRequired(org.jclouds.compute.domain.Image image,
GoogleComputeEngineTemplateOptions options) {
LoginCredentials defaultCredentials = image.getDefaultCredentials();
String[] keys = defaultCredentials.getPrivateKey().split(":");
String publicKey = keys[0];
String privateKey = keys[1];
LoginCredentials.Builder credentialsBuilder = defaultCredentials.toBuilder();
credentialsBuilder.privateKey(privateKey);
// LoginCredentials from image stores the public key along with the private key in the privateKey field
// @see GoogleComputePopulateDefaultLoginCredentialsForImageStrategy
// so if options doesn't have a public key set we set it from the default
if (options.getPublicKey() == null) {
options.authorizePublicKey(publicKey);
}
if (options.hasLoginPrivateKeyOption()) {
credentialsBuilder.privateKey(options.getPrivateKey());
}
if (options.getLoginUser() != null) {
credentialsBuilder.identity(options.getLoginUser());
}
if (options.hasLoginPasswordOption()) {
credentialsBuilder.password(options.getLoginPassword());
}
if (options.shouldAuthenticateSudo() != null) {
credentialsBuilder.authenticateSudo(options.shouldAuthenticateSudo());
}
LoginCredentials credentials = credentialsBuilder.build();
options.overrideLoginCredentials(credentials);
return credentials;
}
private void waitOperationDone(Operation operation) {
AtomicReference operationRef = Atomics.newReference(operation);
// wait for the operation to complete
if (!retryOperationDonePredicate.apply(operationRef)) {
throw new UncheckedTimeoutException("operation did not reach DONE state" + operationRef.get());
}
// check if the operation failed
if (operationRef.get().getHttpError().isPresent()) {
HttpResponse response = operationRef.get().getHttpError().get();
throw new IllegalStateException("operation failed. Http Error Code: " + response.getStatusCode() +
" HttpError: " + response.getMessage());
}
}
}
