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1ba739a6b6
This is one of several CLs in order to support per-TLD DnsWriter implementations, modeled on the work done for PremiumPricingEngine. Since DnsWriters will be set inside the Registry object, the DnsWriter interface definition needs to be moved to models to create minimal dependency on the rest of the registry codebase to avoid cyclic dependency. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=128711643
95 lines
3.7 KiB
Java
95 lines
3.7 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.dns;
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import static google.registry.model.server.Lock.executeWithLocks;
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import static google.registry.request.Action.Method.POST;
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import static google.registry.util.CollectionUtils.nullToEmpty;
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import com.google.common.net.InternetDomainName;
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import google.registry.config.ConfigModule.Config;
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import google.registry.model.dns.DnsWriter;
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import google.registry.request.Action;
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import google.registry.request.HttpException.ServiceUnavailableException;
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import google.registry.request.Parameter;
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import google.registry.request.RequestParameters;
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import google.registry.util.DomainNameUtils;
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import google.registry.util.FormattingLogger;
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import java.util.Set;
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import java.util.concurrent.Callable;
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import javax.inject.Inject;
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import javax.inject.Provider;
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import org.joda.time.Duration;
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/** Task that sends domain and host updates to the DNS server. */
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@Action(path = PublishDnsUpdatesAction.PATH, method = POST, automaticallyPrintOk = true)
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public final class PublishDnsUpdatesAction implements Runnable, Callable<Void> {
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public static final String PATH = "/_dr/task/publishDnsUpdates";
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public static final String DOMAINS_PARAM = "domains";
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public static final String HOSTS_PARAM = "hosts";
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private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
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@Inject DnsQueue dnsQueue;
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@Inject Provider<DnsWriter> writerProvider;
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@Inject @Config("dnsWriteLockTimeout") Duration timeout;
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@Inject @Parameter(RequestParameters.PARAM_TLD) String tld;
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@Inject @Parameter(DOMAINS_PARAM) Set<String> domains;
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@Inject @Parameter(HOSTS_PARAM) Set<String> hosts;
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@Inject PublishDnsUpdatesAction() {}
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/** Runs the task. */
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@Override
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public void run() {
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String lockName = String.format("DNS zone %s", tld);
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// If executeWithLocks fails to get the lock, it does not throw an exception, simply returns
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// false. We need to make sure to take note of this error; otherwise, a failed lock might result
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// in the update task being dequeued and dropped. A message will already have been logged
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// to indicate the problem.
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if (!executeWithLocks(this, getClass(), tld, timeout, lockName)) {
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throw new ServiceUnavailableException("Lock failure");
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}
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}
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/** Runs the task, with the lock. */
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@Override
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public Void call() {
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processBatch();
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return null;
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}
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/** Steps through the domain and host refreshes contained in the parameters and processes them. */
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private void processBatch() {
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try (DnsWriter writer = writerProvider.get()) {
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for (String domain : nullToEmpty(domains)) {
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if (!DomainNameUtils.isUnder(
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InternetDomainName.from(domain), InternetDomainName.from(tld))) {
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logger.severefmt("%s: skipping domain %s not under tld", tld, domain);
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} else {
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writer.publishDomain(domain);
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}
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}
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for (String host : nullToEmpty(hosts)) {
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if (!DomainNameUtils.isUnder(
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InternetDomainName.from(host), InternetDomainName.from(tld))) {
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logger.severefmt("%s: skipping host %s not under tld", tld, host);
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} else {
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writer.publishHost(host);
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}
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}
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}
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}
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}
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