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Add asynchronous scheduled actions to re-save entities

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This is used in the domain transfer and delete flows, both of which are
asynchronous flows that have implicit default actions that will be taken at some
point in the future. This CL adds scheduled re-saves to take place soon after
those default actions would become effective, so that they can be re-saved
quickly if so.

Unfortunately the redemption grace period on our TLDs is 35 days, which exceeds
the 30 day maximum task ETA in App Engine, so these won't actually fire.  That's
fine though; the deletion is actually effective as of 5 days, and this is just
removing the grace period.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=201345274
This commit is contained in:
mcilwain 2018-06-20 06:48:24 -07:00 • committed by Ben McIlwain
parent 87d1a1c2a3
commit 6f2e663b72
20 changed files with 573 additions and 103 deletions
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38
java/google/registry/flows/async/AsyncFlowEnqueuer.java
View file

@ -14,6 +14,10 @@
package google.registry.flows.async;
import static com.google.common.base.Preconditions.checkArgument;
import static google.registry.util.DateTimeUtils.isBeforeOrAt;
import com.google.appengine.api.modules.ModulesService;
import com.google.appengine.api.taskqueue.Queue;
import com.google.appengine.api.taskqueue.TaskOptions;
import com.google.appengine.api.taskqueue.TaskOptions.Method;
@ -23,6 +27,7 @@ import com.google.common.flogger.FluentLogger;
import com.googlecode.objectify.Key;
import google.registry.config.RegistryConfig.Config;
import google.registry.model.EppResource;
import google.registry.model.ImmutableObject;
import google.registry.model.eppcommon.Trid;
import google.registry.model.host.HostResource;
import google.registry.util.Retrier;
@ -44,29 +49,62 @@ public final class AsyncFlowEnqueuer {
public static final String PARAM_REQUESTED_TIME = "requestedTime";
/** The task queue names used by async flows. */
public static final String QUEUE_ASYNC_ACTIONS = "async-actions";
public static final String QUEUE_ASYNC_DELETE = "async-delete-pull";
public static final String QUEUE_ASYNC_HOST_RENAME = "async-host-rename-pull";
public static final String PATH_RESAVE_ENTITY = "/_dr/task/resaveEntity";
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
private static final Duration MAX_ASYNC_ETA = Duration.standardDays(30);
private final Duration asyncDeleteDelay;
private final Queue asyncActionsPushQueue;
private final Queue asyncDeletePullQueue;
private final Queue asyncDnsRefreshPullQueue;
private final ModulesService modulesService;
private final Retrier retrier;
@VisibleForTesting
@Inject
public AsyncFlowEnqueuer(
@Named(QUEUE_ASYNC_ACTIONS) Queue asyncActionsPushQueue,
@Named(QUEUE_ASYNC_DELETE) Queue asyncDeletePullQueue,
@Named(QUEUE_ASYNC_HOST_RENAME) Queue asyncDnsRefreshPullQueue,
@Config("asyncDeleteFlowMapreduceDelay") Duration asyncDeleteDelay,
ModulesService modulesService,
Retrier retrier) {
this.asyncActionsPushQueue = asyncActionsPushQueue;
this.asyncDeletePullQueue = asyncDeletePullQueue;
this.asyncDnsRefreshPullQueue = asyncDnsRefreshPullQueue;
this.asyncDeleteDelay = asyncDeleteDelay;
this.modulesService = modulesService;
this.retrier = retrier;
}
/** Enqueues a task to asynchronously re-save an entity at some point in the future. */
public void enqueueAsyncResave(
ImmutableObject entityToResave, DateTime now, DateTime whenToResave) {
checkArgument(isBeforeOrAt(now, whenToResave), "Can't enqueue a resave to run in the past");
Key<ImmutableObject> entityKey = Key.create(entityToResave);
Duration etaDuration = new Duration(now, whenToResave);
if (etaDuration.isLongerThan(MAX_ASYNC_ETA)) {
logger.atInfo().log("Ignoring async re-save of %s; %s is past the ETA threshold of %s.",
entityKey, whenToResave, MAX_ASYNC_ETA);
return;
}
logger.atInfo().log("Enqueuing async re-save of %s to run at %s.", entityKey, whenToResave);
String backendHostname = modulesService.getVersionHostname("backend", null);
TaskOptions task =
TaskOptions.Builder.withUrl(PATH_RESAVE_ENTITY)
.method(Method.POST)
.header("Host", backendHostname)
.countdownMillis(etaDuration.getMillis())
.param(PARAM_RESOURCE_KEY, entityKey.getString())
.param(PARAM_REQUESTED_TIME, now.toString());
addTaskToQueueWithRetry(asyncActionsPushQueue, task);
}
/** Enqueues a task to asynchronously delete a contact or host, by key. */
public void enqueueAsyncDelete(
EppResource resourceToDelete,