google-nomulus/java/google/registry/util/AppEngineServiceUtilsImpl.java
mcilwain 3812c2ceda Use -dot- subdomain notation in MapReduce console links
appspot.com is not provisioned with a multi-level wildcard SSL certificate, so
URLs of the form https://service.projectid.appspot.com/path need to be rewritten
as https://service-dot-projectid.appspot.com/path (and same for version names).

This is a follow-up to []

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=231418795
2019-01-31 13:59:05 -05:00

76 lines
2.9 KiB
Java

// Copyright 2018 The Nomulus 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.util;
import static com.google.common.base.Preconditions.checkArgument;
import static google.registry.util.PreconditionsUtils.checkArgumentNotNull;
import com.google.appengine.api.modules.ModulesService;
import com.google.common.flogger.FluentLogger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.inject.Inject;
/** A wrapper for {@link ModulesService} that provides a saner API. */
public class AppEngineServiceUtilsImpl implements AppEngineServiceUtils {
private static final Pattern APPSPOT_HOSTNAME_PATTERN =
Pattern.compile("^(.*)\\.appspot\\.com$");
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
private final ModulesService modulesService;
@Inject
public AppEngineServiceUtilsImpl(ModulesService modulesService) {
this.modulesService = modulesService;
}
@Override
public String getServiceHostname(String service) {
// This will be in the format "version.service.projectid.appspot.com"
String hostnameWithVersion = modulesService.getVersionHostname(service, null);
// Strip off the version and return just "service.projectid.appspot.com"
return hostnameWithVersion.replaceFirst("^[^.]+\\.", "");
}
@Override
public String getCurrentVersionHostname(String service) {
return modulesService.getVersionHostname(service, null);
}
@Override
public String getVersionHostname(String service, String version) {
checkArgumentNotNull(version, "Must specify the version");
return modulesService.getVersionHostname(service, version);
}
@Override
public void setNumInstances(String service, String version, long numInstances) {
checkArgumentNotNull(service, "Must specify the service");
checkArgumentNotNull(version, "Must specify the version");
checkArgument(numInstances > 0, "Number of instances must be greater than 0");
modulesService.setNumInstances(service, version, numInstances);
}
@Override
public String convertToSingleSubdomain(String hostname) {
Matcher matcher = APPSPOT_HOSTNAME_PATTERN.matcher(hostname);
if (!matcher.matches()) {
logger.atWarning().log("Skipping conversion because hostname can't be parsed: %s", hostname);
return hostname;
}
return matcher.group(1).replace(".", "-dot-") + ".appspot.com";
}
}