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Smear out DNS updates over time when updating DNS for all domains

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These updates can generally ran slowly in the background (i.e. they're low
priority), and shouldn't clog up the system to the point where they slow down
live incoming customer-requested updates.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=250732171
This commit is contained in:
mcilwain 2019-05-30 11:53:21 -07:00 • committed by Ben McIlwain
parent ba23e3efaa
commit 3e34f61b8c
5 changed files with 102 additions and 26 deletions
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23
java/google/registry/dns/DnsQueue.java
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@ -103,16 +103,16 @@ public class DnsQueue {
@VisibleForTesting
long leaseTasksBatchSize = QueueConstants.maxLeaseCount();
/**
* Enqueues the given task type with the given target name to the DNS queue.
*/
private TaskHandle addToQueue(TargetType targetType, String targetName, String tld) {
/** Enqueues the given task type with the given target name to the DNS queue. */
private TaskHandle addToQueue(
TargetType targetType, String targetName, String tld, Duration countdown) {
logger.atInfo().log(
"Adding task type=%s, target=%s, tld=%s to pull queue %s (%d tasks currently on queue)",
targetType, targetName, tld, DNS_PULL_QUEUE_NAME, queue.fetchStatistics().getNumTasks());
return queue.add(
TaskOptions.Builder.withDefaults()
.method(Method.PULL)
.countdownMillis(countdown.getMillis())
.param(DNS_TARGET_TYPE_PARAM, targetType.toString())
.param(DNS_TARGET_NAME_PARAM, targetName)
.param(DNS_TARGET_CREATE_TIME_PARAM, clock.nowUtc().toString())
@ -127,20 +127,27 @@ public class DnsQueue {
Registries.findTldForName(InternetDomainName.from(fullyQualifiedHostName));
checkArgument(tld.isPresent(),
String.format("%s is not a subordinate host to a known tld", fullyQualifiedHostName));
return addToQueue(TargetType.HOST, fullyQualifiedHostName, tld.get().toString());
return addToQueue(TargetType.HOST, fullyQualifiedHostName, tld.get().toString(), Duration.ZERO);
}
/** Adds a task to the queue to refresh the DNS information for the specified domain. */
/** Enqueues a task to refresh DNS for the specified domain now. */
public TaskHandle addDomainRefreshTask(String fullyQualifiedDomainName) {
return addDomainRefreshTask(fullyQualifiedDomainName, Duration.ZERO);
}
/** Enqueues a task to refresh DNS for the specified domain at some point in the future. */
public TaskHandle addDomainRefreshTask(String fullyQualifiedDomainName, Duration countdown) {
return addToQueue(
TargetType.DOMAIN,
fullyQualifiedDomainName,
assertTldExists(getTldFromDomainName(fullyQualifiedDomainName)));
assertTldExists(getTldFromDomainName(fullyQualifiedDomainName)),
countdown);
}
/** Adds a task to the queue to refresh the DNS information for the specified zone. */
public TaskHandle addZoneRefreshTask(String fullyQualifiedZoneName) {
return addToQueue(TargetType.ZONE, fullyQualifiedZoneName, fullyQualifiedZoneName);
return addToQueue(
TargetType.ZONE, fullyQualifiedZoneName, fullyQualifiedZoneName, Duration.ZERO);
}
/**