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TenantSecurityGroupFetcher.java
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TenantSecurityGroupFetcher.java
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/*
* Copyright 2015 VMware, Inc. 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 com.vmware.photon.controller.api.frontend.auth.fetcher;
import com.vmware.photon.controller.api.frontend.auth.TransactionAuthorizationObject;
import com.vmware.photon.controller.api.frontend.clients.TenantFeClient;
import com.vmware.photon.controller.api.frontend.exceptions.external.TenantNotFoundException;
import com.vmware.photon.controller.api.model.Tenant;
import com.google.inject.Inject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static com.google.common.base.Preconditions.checkArgument;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
/**
* Implementation of object that retrieves the security groups for a tenant authorization
* object.
*/
public class TenantSecurityGroupFetcher implements SecurityGroupFetcher {
/**
* Logger.
*/
private static final Logger logger = LoggerFactory.getLogger(TenantSecurityGroupFetcher.class);
/**
* Storage access object for tenant resources.
*/
TenantFeClient tenantFeClient;
@Inject
public TenantSecurityGroupFetcher(TenantFeClient tenantFeClient) {
this.tenantFeClient = tenantFeClient;
}
@Override
public Set<String> fetchSecurityGroups(TransactionAuthorizationObject authorizationObject) {
checkArgument(authorizationObject.getKind() == TransactionAuthorizationObject.Kind.TENANT,
"authorizationObject must be of 'kind' TENANT.");
checkArgument(authorizationObject.getStrategy() == TransactionAuthorizationObject.Strategy.SELF,
"authorizationObject must have 'strategy' SELF.");
Set<String> securityGroups = new HashSet<>();
try {
Tenant tenant = tenantFeClient.get(authorizationObject.getId());
securityGroups.addAll(tenant.getSecurityGroups().stream().map(g -> g.getName()).collect(Collectors.toList()));
} catch (TenantNotFoundException ex) {
logger.warn("invalid tenant id {}", authorizationObject.getId());
} catch (Exception ex) {
logger.warn("unexpected exception processing tenant {}", authorizationObject.getId());
}
return securityGroups;
}
}