/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.jclouds.ec2.compute.loaders;
import static com.google.common.base.Preconditions.checkNotNull;
import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import org.jclouds.compute.reference.ComputeServiceConstants;
import org.jclouds.ec2.EC2Client;
import org.jclouds.ec2.compute.domain.RegionAndName;
import org.jclouds.ec2.compute.domain.RegionNameAndIngressRules;
import org.jclouds.ec2.domain.IpProtocol;
import org.jclouds.ec2.domain.UserIdGroupPair;
import org.jclouds.ec2.services.SecurityGroupClient;
import org.jclouds.logging.Logger;
import com.google.common.base.Predicate;
import com.google.common.cache.CacheLoader;
import com.google.common.collect.Iterables;
/**
*
* @author Adrian Cole
*/
@Singleton
public class CreateSecurityGroupIfNeeded extends CacheLoader<RegionAndName, String> {
@Resource
@Named(ComputeServiceConstants.COMPUTE_LOGGER)
protected Logger logger = Logger.NULL;
protected final SecurityGroupClient securityClient;
protected final Predicate<RegionAndName> securityGroupEventualConsistencyDelay;
@Inject
public CreateSecurityGroupIfNeeded(EC2Client ec2Client,
@Named("SECURITY") Predicate<RegionAndName> securityGroupEventualConsistencyDelay) {
this(checkNotNull(ec2Client, "ec2Client").getSecurityGroupServices(), securityGroupEventualConsistencyDelay);
}
public CreateSecurityGroupIfNeeded(SecurityGroupClient securityClient,
@Named("SECURITY") Predicate<RegionAndName> securityGroupEventualConsistencyDelay) {
this.securityClient = checkNotNull(securityClient, "securityClient");
this.securityGroupEventualConsistencyDelay = checkNotNull(securityGroupEventualConsistencyDelay,
"securityGroupEventualConsistencyDelay");
}
@Override
public String load(RegionAndName from) {
RegionNameAndIngressRules realFrom = RegionNameAndIngressRules.class.cast(from);
createSecurityGroupInRegion(from.getRegion(), from.getName(), realFrom.getPorts());
return from.getName();
}
private void createSecurityGroupInRegion(String region, String name, int... ports) {
checkNotNull(region, "region");
checkNotNull(name, "name");
logger.debug(">> creating securityGroup region(%s) name(%s)", region, name);
try {
securityClient.createSecurityGroupInRegion(region, name, name);
boolean created = securityGroupEventualConsistencyDelay.apply(new RegionAndName(region, name));
if (!created)
throw new RuntimeException(String.format("security group %s/%s is not available after creating", region,
name));
logger.debug("<< created securityGroup(%s)", name);
for (int port : ports) {
createIngressRuleForTCPPort(region, name, port);
}
if (ports.length > 0) {
authorizeGroupToItself(region, name);
}
} catch (IllegalStateException e) {
logger.debug("<< reused securityGroup(%s)", name);
}
}
protected void createIngressRuleForTCPPort(String region, String name, int port) {
logger.debug(">> authorizing securityGroup region(%s) name(%s) port(%s)", region, name, port);
securityClient.authorizeSecurityGroupIngressInRegion(region, name, IpProtocol.TCP, port, port, "0.0.0.0/0");
logger.debug("<< authorized securityGroup(%s)", name);
}
protected void authorizeGroupToItself(String region, String name) {
logger.debug(">> authorizing securityGroup region(%s) name(%s) permission to itself", region, name);
String myOwnerId = Iterables.get(securityClient.describeSecurityGroupsInRegion(region, name), 0).getOwnerId();
securityClient.authorizeSecurityGroupIngressInRegion(region, name, new UserIdGroupPair(myOwnerId, name));
logger.debug("<< authorized securityGroup(%s)", name);
}
}