org.trustedanalytics.servicebroker.hdfs.plans.provisioning.HdfsProvisioningClient.java Source code

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Here is the source code for org.trustedanalytics.servicebroker.hdfs.plans.provisioning.HdfsProvisioningClient.java

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/**
 * Copyright (c) 2015 Intel Corporation
 *
 * 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 org.trustedanalytics.servicebroker.hdfs.plans.provisioning;

import java.io.IOException;
import java.util.UUID;

import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsAction;
import org.apache.hadoop.fs.permission.FsPermission;
import org.cloudfoundry.community.servicebroker.exception.ServiceBrokerException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import org.trustedanalytics.cfbroker.store.hdfs.helper.HdfsPathTemplateUtils;
import org.trustedanalytics.cfbroker.store.hdfs.service.HdfsClient;

@Component
class HdfsProvisioningClient
        implements HdfsDirectoryProvisioningOperations, HdfsPlanEncryptedDirectoryProvisioningOperations {

    private static final FsPermission FS_PERMISSION = new FsPermission(FsAction.ALL, FsAction.ALL, FsAction.NONE);

    private static final FsPermission FS_USER_PERMISSION = new FsPermission(FsAction.ALL, FsAction.NONE,
            FsAction.NONE);

    private final HdfsClient hdfsClient;
    private final HdfsClient superUserHdfsClient;
    private final String userspacePathTemplate;

    @Autowired
    public HdfsProvisioningClient(HdfsClient hdfsClient, HdfsClient encryptedHdfsClient,
            String userspacePathTemplate) {
        this.hdfsClient = hdfsClient;
        this.superUserHdfsClient = encryptedHdfsClient;
        this.userspacePathTemplate = userspacePathTemplate;
    }

    @Override
    public void provisionDirectory(UUID instanceId, UUID orgId) throws ServiceBrokerException {
        try {
            String path = HdfsPathTemplateUtils.fill(userspacePathTemplate, instanceId, orgId);
            hdfsClient.createDir(path);
            hdfsClient.setPermission(path, FS_PERMISSION);
        } catch (IOException e) {
            throw new ServiceBrokerException("Unable to provision directory for: " + instanceId, e);
        }
    }

    @Override
    public void provisionDirectory(UUID instanceId, UUID orgId, UUID owner) throws ServiceBrokerException {
        try {
            String path = HdfsPathTemplateUtils.fill(userspacePathTemplate, instanceId, orgId);
            hdfsClient.createDir(path);
            hdfsClient.setPermission(path, FS_USER_PERMISSION);
            superUserHdfsClient.setOwner(path, owner.toString(), orgId.toString());
        } catch (IOException e) {
            throw new ServiceBrokerException("Unable to provision directory for: " + instanceId, e);
        }
    }

    @Override
    public void createEncryptedZone(UUID instanceId, UUID orgId) throws ServiceBrokerException {
        try {
            String path = HdfsPathTemplateUtils.fill(userspacePathTemplate, instanceId, orgId);
            superUserHdfsClient.createKeyAndEncryptedZone(instanceId.toString(), new Path(path));
        } catch (IOException e) {
            throw new ServiceBrokerException("Unable to provision encrypted directory for: " + instanceId, e);
        }
    }
}