/*************************************************************************
* (c) Copyright 2016 Hewlett Packard Enterprise Development Company LP
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
************************************************************************/
package com.eucalyptus.compute.policy;
import java.util.Collections;
import java.util.Map;
import com.eucalyptus.auth.policy.key.Key;
import com.eucalyptus.auth.policy.key.KeyProvider;
/**
* IAM policy condition key provider for dynamic compute keys.
*/
public class ComputeKeyProvider implements KeyProvider {
private static final String RESOURCE_TAG_CONDITION_PREFIX = "ec2:resourcetag/";
@Override
public String getName( ) {
return "Compute";
}
@Override
public boolean provides( final String name ) {
return name != null && name.toLowerCase( ).startsWith( RESOURCE_TAG_CONDITION_PREFIX );
}
@Override
public Key getKey( final String name ) {
return new ResourceTagKey( name.toLowerCase( ), name.substring( RESOURCE_TAG_CONDITION_PREFIX.length( ) ) );
}
@Override
public Map<String, Key> getKeyInstances( final Key.EvaluationConstraint constraint ) {
return Collections.emptyMap( );
}
}