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* 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.apache.usergrid.chop.api.store.amazon;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import org.apache.usergrid.chop.stack.BasicIpRule;
import org.apache.usergrid.chop.spi.IpRuleManager;
import org.apache.usergrid.chop.stack.BasicIpRuleSet;
import org.apache.usergrid.chop.stack.IpRule;
import org.apache.usergrid.chop.stack.IpRuleSet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.services.ec2.AmazonEC2Client;
import com.amazonaws.services.ec2.model.AuthorizeSecurityGroupIngressRequest;
import com.amazonaws.services.ec2.model.CreateSecurityGroupRequest;
import com.amazonaws.services.ec2.model.CreateSecurityGroupResult;
import com.amazonaws.services.ec2.model.DeleteSecurityGroupRequest;
import com.amazonaws.services.ec2.model.DescribeSecurityGroupsRequest;
import com.amazonaws.services.ec2.model.DescribeSecurityGroupsResult;
import com.amazonaws.services.ec2.model.IpPermission;
import com.amazonaws.services.ec2.model.RevokeSecurityGroupIngressRequest;
import com.amazonaws.services.ec2.model.SecurityGroup;
import com.google.inject.Inject;
/** TODO check outbound rules */
public class AmazonIpRuleManager implements IpRuleManager {
private static final Logger LOG = LoggerFactory.getLogger( AmazonIpRuleManager.class );
private AmazonEC2Client client;
@Inject
public AmazonIpRuleManager( AmazonFig amazonFig ) {
client = AmazonUtils.getEC2Client( amazonFig.getAwsAccessKey(), amazonFig.getAwsSecretKey() );
}
/**
* Note that you have to set the data center before any other operation,
* if you are to use a different data center than Amazon's default
*/
@Override
public void setDataCenter( final String dataCenter ) {
client.setEndpoint( AmazonUtils.getEndpoint( dataCenter ) );
}
@Override
public void applyIpRuleSet( final IpRuleSet ruleSet ) {
if( exists( ruleSet.getName() ) ) {
Collection<IpRule> inbound = getRules( ruleSet.getName(), true );
Collection<IpRule> outbound = getRules( ruleSet.getName(), false );
deleteRules( ruleSet.getName(), inbound );
deleteRules( ruleSet.getName(), outbound );
}
else {
createRuleSet( ruleSet.getName() );
}
for( IpRule rule: ruleSet.getInboundRules() ) {
addRules( ruleSet.getName(), rule.getIpRanges(), rule.getIpProtocol(), rule.getFromPort(),
rule.getToPort() );
}
for( IpRule rule: ruleSet.getOutboundRules() ) {
addRules( ruleSet.getName(), rule.getIpRanges(), rule.getIpProtocol(), rule.getFromPort(),
rule.getToPort() );
}
}
@Override
public IpRuleSet getIpRuleSet( final String name ) {
Collection<IpRule> inbound = getRules( name, true );
Collection<IpRule> outbound = getRules( name, false );
BasicIpRuleSet ruleSet = new BasicIpRuleSet();
ruleSet.setName( name );
for( IpRule rule: inbound ) {
ruleSet.addInboundRule( rule );
}
for( IpRule rule: outbound ) {
ruleSet.addOutboundRule( rule );
}
return ruleSet;
}
@Override
public boolean createRuleSet( final String name ) {
try {
CreateSecurityGroupRequest request = new CreateSecurityGroupRequest();
request = request.withGroupName( name ).withDescription( "Judo Chop Security Group" );
CreateSecurityGroupResult result = client.createSecurityGroup( request );
return ( result != null && result.getGroupId() != null && ! result.getGroupId().isEmpty() );
}
catch ( AmazonServiceException e ) {
LOG.warn( "Error while trying to create security group", e );
return false;
}
}
@Override
public boolean deleteRuleSet( final String name ) {
try {
DeleteSecurityGroupRequest request = new DeleteSecurityGroupRequest().withGroupName( name );
client.deleteSecurityGroup( request );
return true;
}
catch ( AmazonServiceException e ) {
LOG.warn( "Error while trying to delete security group", e );
return false;
}
}
@Override
public Collection<String> listRuleSets() {
DescribeSecurityGroupsRequest request = new DescribeSecurityGroupsRequest();
DescribeSecurityGroupsResult result = null;
try {
result = client.describeSecurityGroups( request );
}
catch ( Exception e ) {
LOG.warn( "Error while getting security groups", e );
return new LinkedList<String>();
}
Collection<String> groups = new ArrayList<String>();
for( SecurityGroup group : result.getSecurityGroups() ) {
groups.add( group.getGroupName() );
}
return groups;
}
@Override
public boolean exists( final String name ) {
Collection<String> groups = listRuleSets();
for( String g : groups ) {
if ( g.equals( name ) ) {
return true;
}
}
return false;
}
@Override
public Collection<IpRule> getRules( final String name, final boolean inbound ) {
DescribeSecurityGroupsRequest request = new DescribeSecurityGroupsRequest().withGroupNames( name );
DescribeSecurityGroupsResult result = client.describeSecurityGroups( request );
if( result.getSecurityGroups().size() != 1 ) {
return null;
}
Collection<IpRule> ipRules = new ArrayList<IpRule>();
List<IpPermission> permissions;
if( inbound ) {
permissions = result.getSecurityGroups().get( 0 ).getIpPermissions();
}
else {
permissions = result.getSecurityGroups().get( 0 ).getIpPermissionsEgress();
}
for( IpPermission permission : permissions ) {
ipRules.add( toIpRule( permission ) );
}
return ipRules;
}
@Override
public void deleteRules( final String name, final IpRule... ipRules ) {
if( ipRules.length == 0 ) {
return;
}
Collection<IpRule> rules = new ArrayList<IpRule>( ipRules.length );
for( IpRule rule: ipRules ) {
rules.add( rule );
}
deleteRules( name, rules );
}
@Override
public void deleteRules( final String name, final Collection<IpRule> ipRules ) {
if( ipRules == null || ipRules.size() == 0 ) {
return;
}
Collection<IpPermission> permissions = new ArrayList<IpPermission>( ipRules.size() );
for( IpRule rule : ipRules ) {
permissions.add( toIpPermission( rule ) );
}
RevokeSecurityGroupIngressRequest request = new RevokeSecurityGroupIngressRequest();
request = request.withGroupName( name ).withIpPermissions( permissions );
client.revokeSecurityGroupIngress( request );
}
@Override
public void deleteRules( final String name, final Collection<String> ipRanges, final String protocol,
final int port ) {
IpPermission permission = new IpPermission();
permission = permission.withIpProtocol( protocol )
.withFromPort( port )
.withToPort( port )
.withIpRanges( ipRanges );
RevokeSecurityGroupIngressRequest request = new RevokeSecurityGroupIngressRequest();
request = request.withGroupName( name ).withIpPermissions( permission );
client.revokeSecurityGroupIngress( request );
}
@Override
public void addRules( final String name, final Collection<String> ipRanges, final String protocol,
final int port ) {
addRules( name, ipRanges, protocol, port, port );
}
@Override
public void addRules( final String name, final Collection<String> ipRanges, final String protocol,
final int fromPort, final int toPort ) {
IpPermission ipPermission = new IpPermission();
ipPermission.withIpRanges( ipRanges )
.withIpProtocol( protocol )
.withFromPort( fromPort )
.withToPort( toPort );
try {
AuthorizeSecurityGroupIngressRequest request = new AuthorizeSecurityGroupIngressRequest();
request = request.withGroupName( name ).withIpPermissions( ipPermission );
client.authorizeSecurityGroupIngress( request );
}
catch ( Exception e ) {
LOG.error( "Error whilt adding rule to security group: {}", name, e );
}
}
protected static IpRule toIpRule( IpPermission permission ) {
BasicIpRule rule = new BasicIpRule();
rule.setFromPort( permission.getFromPort() );
rule.setToPort( permission.getToPort() );
rule.setIpProtocol( permission.getIpProtocol() );
rule.setIpRanges( permission.getIpRanges() );
return rule;
}
protected static IpPermission toIpPermission( IpRule rule ) {
IpPermission permission = new IpPermission();
permission.setIpProtocol( rule.getIpProtocol() );
permission.setToPort( rule.getToPort() );
permission.setFromPort( rule.getFromPort() );
permission.setIpRanges( rule.getIpRanges() );
return permission;
}
}