Cut over to batched async deletion for contacts/hosts

Also consolidates the DNS refresh functionality in AsyncFlowUtils that was
being used by HostUpdateFlow into AsyncFlowEnqueuer.

TESTED=I threw together some batch scripts to create dozens of contacts on
alpha and then request their deletion, and the [] ran fine and
successfully deleted them in batches.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=133714691
This commit is contained in:
mcilwain 2016-09-20 09:29:39 -07:00 committed by Ben McIlwain
parent 65ff6b45d1
commit 2dcac3ca68
11 changed files with 74 additions and 190 deletions

View file

@ -14,17 +14,23 @@
package google.registry.flows.async;
import static com.google.appengine.api.taskqueue.QueueFactory.getQueue;
import static google.registry.flows.async.DeleteContactsAndHostsAction.PARAM_IS_SUPERUSER;
import static google.registry.flows.async.DeleteContactsAndHostsAction.PARAM_REQUESTING_CLIENT_ID;
import static google.registry.flows.async.DeleteContactsAndHostsAction.PARAM_RESOURCE_KEY;
import static google.registry.flows.async.DnsRefreshForHostRenameAction.PARAM_HOST_KEY;
import static google.registry.request.Actions.getPathForAction;
import com.google.appengine.api.taskqueue.Queue;
import com.google.appengine.api.taskqueue.RetryOptions;
import com.google.appengine.api.taskqueue.TaskOptions;
import com.google.appengine.api.taskqueue.TaskOptions.Method;
import com.google.appengine.api.taskqueue.TransientFailureException;
import com.googlecode.objectify.Key;
import google.registry.config.ConfigModule.Config;
import google.registry.config.RegistryEnvironment;
import google.registry.model.EppResource;
import google.registry.model.host.HostResource;
import google.registry.util.FormattingLogger;
import google.registry.util.Retrier;
import java.util.concurrent.Callable;
@ -32,40 +38,58 @@ import javax.inject.Inject;
import javax.inject.Named;
import org.joda.time.Duration;
/** Helper class to enqueue tasks for handling asynchronous deletions to pull queues. */
/** Helper class to enqueue tasks for handling asynchronous operations in flows. */
public final class AsyncFlowEnqueuer {
private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
@Inject @Config("asyncDeleteFlowMapreduceDelay") Duration asyncDeleteDelay;
@Inject @Named("async-delete-pull") Queue queue;
@Inject @Named("async-delete-pull") Queue asyncDeletePullQueue;
@Inject Retrier retrier;
@Inject AsyncFlowEnqueuer() {}
/**
* Enqueues a task to asynchronously delete a contact or host, by key.
*
* <p>Note that the clientId is of the logged-in registrar that is requesting the deletion, not
* necessarily the current owner of the resource.
*/
/** Enqueues a task to asynchronously delete a contact or host, by key. */
public void enqueueAsyncDelete(
EppResource resourceToDelete, String clientId, boolean isSuperuser) {
EppResource resourceToDelete, String requestingClientId, boolean isSuperuser) {
Key<EppResource> resourceKey = Key.create(resourceToDelete);
logger.infofmt(
"Enqueueing async action to delete %s on behalf of registrar %s.", resourceKey, clientId);
final TaskOptions options =
"Enqueueing async deletion of %s on behalf of registrar %s.",
resourceKey, requestingClientId);
final TaskOptions task =
TaskOptions.Builder
.withMethod(Method.PULL)
.countdownMillis(asyncDeleteDelay.getMillis())
.param(PARAM_RESOURCE_KEY, resourceKey.getString())
.param(PARAM_REQUESTING_CLIENT_ID, clientId)
.param(PARAM_REQUESTING_CLIENT_ID, requestingClientId)
.param(PARAM_IS_SUPERUSER, Boolean.toString(isSuperuser));
// Retry on transient failure exceptions so that the entire flow isn't aborted unnecessarily.
addTaskToQueueWithRetry(asyncDeletePullQueue, task);
}
/** Enqueues a task to asynchronously refresh DNS for a host. */
public void enqueueAsyncDnsRefresh(HostResource host) {
logger.infofmt("Enqueueing async DNS refresh for host %s", Key.create(host));
// Aggressively back off if the task fails, to minimize flooding the logs.
RetryOptions retryOptions =
RetryOptions.Builder.withMinBackoffSeconds(
RegistryEnvironment.get().config().getAsyncFlowFailureBackoff().getStandardSeconds());
final TaskOptions task =
TaskOptions.Builder.withUrl(getPathForAction(DnsRefreshForHostRenameAction.class))
.retryOptions(retryOptions)
.param(PARAM_HOST_KEY, Key.create(host).getString())
.method(Method.GET);
addTaskToQueueWithRetry(getQueue("flows-async"), task);
}
/**
* Adds a task to a queue with retrying, to avoid aborting the entire flow over a transient issue
* enqueuing a task.
*/
private void addTaskToQueueWithRetry(final Queue queue, final TaskOptions task) {
retrier.callWithRetry(new Callable<Void>() {
@Override
public Void call() throws Exception {
queue.add(options);
return null;
}}, TransientFailureException.class);
@Override
public Void call() throws Exception {
queue.add(task);
return null;
}}, TransientFailureException.class);
}
}

View file

@ -1,64 +0,0 @@
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
//
// Licensed 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 google.registry.flows.async;
import static google.registry.request.Actions.getPathForAction;
import com.google.appengine.api.taskqueue.Queue;
import com.google.appengine.api.taskqueue.QueueFactory;
import com.google.appengine.api.taskqueue.RetryOptions;
import com.google.appengine.api.taskqueue.TaskHandle;
import com.google.appengine.api.taskqueue.TaskOptions;
import com.google.appengine.api.taskqueue.TaskOptions.Method;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableMap;
import google.registry.config.RegistryEnvironment;
import google.registry.util.FormattingLogger;
import java.util.Map.Entry;
import org.joda.time.Duration;
/** Utility methods specific to async flows. */
// TODO(b/26140521): Delete this class once non-batched async operations are deleted.
public final class AsyncFlowUtils {
private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
@VisibleForTesting
public static final String ASYNC_FLOW_QUEUE_NAME = "flows-async"; // See queue.xml.
private AsyncFlowUtils() {}
/** Enqueues a mapreduce action to perform an async flow operation. */
public static TaskHandle enqueueMapreduceAction(
Class<? extends Runnable> action,
ImmutableMap<String, String> params,
Duration executionDelay) {
Queue queue = QueueFactory.getQueue(ASYNC_FLOW_QUEUE_NAME);
String path = getPathForAction(action);
logger.infofmt("Enqueueing async mapreduce action with path %s and params %s", path, params);
// Aggressively back off if the task fails, to minimize flooding the logs.
RetryOptions retryOptions = RetryOptions.Builder.withMinBackoffSeconds(
RegistryEnvironment.get().config().getAsyncFlowFailureBackoff().getStandardSeconds());
TaskOptions options = TaskOptions.Builder
.withUrl(path)
.retryOptions(retryOptions)
.countdownMillis(executionDelay.getMillis())
.method(Method.GET);
for (Entry<String, String> entry : params.entrySet()) {
options.param(entry.getKey(), entry.getValue());
}
return queue.add(options);
}
}

View file

@ -24,7 +24,6 @@ import static google.registry.model.ofy.ObjectifyService.ofy;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.googlecode.objectify.Key;
import google.registry.config.ConfigModule.Config;
@ -34,9 +33,6 @@ import google.registry.flows.FlowModule.TargetId;
import google.registry.flows.LoggedInFlow;
import google.registry.flows.TransactionalFlow;
import google.registry.flows.async.AsyncFlowEnqueuer;
import google.registry.flows.async.AsyncFlowUtils;
import google.registry.flows.async.DeleteContactResourceAction;
import google.registry.flows.async.DeleteEppResourceAction;
import google.registry.flows.exceptions.ResourceToMutateDoesNotExistException;
import google.registry.model.contact.ContactResource;
import google.registry.model.domain.DomainBase;
@ -96,18 +92,7 @@ public class ContactDeleteFlow extends LoggedInFlow implements TransactionalFlow
if (!isSuperuser) {
verifyResourceOwnership(clientId, existingResource);
}
AsyncFlowUtils.enqueueMapreduceAction(
DeleteContactResourceAction.class,
ImmutableMap.of(
DeleteEppResourceAction.PARAM_RESOURCE_KEY,
Key.create(existingResource).getString(),
DeleteEppResourceAction.PARAM_REQUESTING_CLIENT_ID,
clientId,
DeleteEppResourceAction.PARAM_IS_SUPERUSER,
Boolean.toString(isSuperuser)),
mapreduceDelay);
// TODO(b/26140521): Switch over to batch async operations as follows:
// asyncFlowEnqueuer.enqueueAsyncDelete(existingResource, getClientId(), isSuperuser);
asyncFlowEnqueuer.enqueueAsyncDelete(existingResource, clientId, isSuperuser);
ContactResource newResource =
existingResource.asBuilder().addStatusValue(StatusValue.PENDING_DELETE).build();
historyBuilder

View file

@ -24,7 +24,6 @@ import static google.registry.model.ofy.ObjectifyService.ofy;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.googlecode.objectify.Key;
import google.registry.config.ConfigModule.Config;
@ -32,9 +31,7 @@ import google.registry.flows.EppException;
import google.registry.flows.FlowModule.ClientId;
import google.registry.flows.LoggedInFlow;
import google.registry.flows.TransactionalFlow;
import google.registry.flows.async.AsyncFlowUtils;
import google.registry.flows.async.DeleteEppResourceAction;
import google.registry.flows.async.DeleteHostResourceAction;
import google.registry.flows.async.AsyncFlowEnqueuer;
import google.registry.flows.exceptions.ResourceToMutateDoesNotExistException;
import google.registry.model.domain.DomainBase;
import google.registry.model.domain.metadata.MetadataExtension;
@ -71,6 +68,7 @@ public class HostDeleteFlow extends LoggedInFlow implements TransactionalFlow {
return domain.getNameservers();
}};
@Inject AsyncFlowEnqueuer asyncFlowEnqueuer;
@Inject ResourceCommand resourceCommand;
@Inject Optional<AuthInfo> authInfo;
@Inject @ClientId String clientId;
@ -97,16 +95,7 @@ public class HostDeleteFlow extends LoggedInFlow implements TransactionalFlow {
if (!isSuperuser) {
verifyResourceOwnership(clientId, existingResource);
}
AsyncFlowUtils.enqueueMapreduceAction(
DeleteHostResourceAction.class,
ImmutableMap.of(
DeleteEppResourceAction.PARAM_RESOURCE_KEY,
Key.create(existingResource).getString(),
DeleteEppResourceAction.PARAM_REQUESTING_CLIENT_ID,
clientId,
DeleteEppResourceAction.PARAM_IS_SUPERUSER,
Boolean.toString(isSuperuser)),
mapreduceDelay);
asyncFlowEnqueuer.enqueueAsyncDelete(existingResource, clientId, isSuperuser);
HostResource newResource =
existingResource.asBuilder().addStatusValue(StatusValue.PENDING_DELETE).build();
historyBuilder

View file

@ -28,7 +28,6 @@ import static google.registry.model.ofy.ObjectifyService.ofy;
import static google.registry.util.CollectionUtils.isNullOrEmpty;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;
import com.googlecode.objectify.Key;
@ -41,8 +40,7 @@ import google.registry.flows.EppException.StatusProhibitsOperationException;
import google.registry.flows.FlowModule.ClientId;
import google.registry.flows.LoggedInFlow;
import google.registry.flows.TransactionalFlow;
import google.registry.flows.async.AsyncFlowUtils;
import google.registry.flows.async.DnsRefreshForHostRenameAction;
import google.registry.flows.async.AsyncFlowEnqueuer;
import google.registry.flows.exceptions.AddRemoveSameValueEppException;
import google.registry.flows.exceptions.ResourceHasClientUpdateProhibitedException;
import google.registry.flows.exceptions.ResourceToMutateDoesNotExistException;
@ -62,7 +60,6 @@ import google.registry.model.index.ForeignKeyIndex;
import google.registry.model.reporting.HistoryEntry;
import java.util.Objects;
import javax.inject.Inject;
import org.joda.time.Duration;
/**
* An EPP flow that updates a host resource.
@ -96,6 +93,7 @@ public class HostUpdateFlow extends LoggedInFlow implements TransactionalFlow {
@Inject Optional<AuthInfo> authInfo;
@Inject @ClientId String clientId;
@Inject HistoryEntry.Builder historyBuilder;
@Inject AsyncFlowEnqueuer asyncFlowEnqueuer;
@Inject HostUpdateFlow() {}
@Override
@ -225,12 +223,7 @@ public class HostUpdateFlow extends LoggedInFlow implements TransactionalFlow {
}
// We must also enqueue updates for all domains that use this host as their nameserver so
// that their NS records can be updated to point at the new name.
AsyncFlowUtils.enqueueMapreduceAction(
DnsRefreshForHostRenameAction.class,
ImmutableMap.of(
DnsRefreshForHostRenameAction.PARAM_HOST_KEY,
Key.create(existingResource).getString()),
Duration.ZERO);
asyncFlowEnqueuer.enqueueAsyncDnsRefresh(existingResource);
}
}