/**
* Copyright 2013 Netflix, Inc.
*
* 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.netflix.priam.defaultimpl;
import java.io.FileInputStream;
import java.util.Properties;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.netflix.priam.ICredential;
import org.apache.cassandra.io.util.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This is a basic implementation of ICredentials. User should prefer to
* implement their own versions for more secured access. This class requires
* clear AWS key and access.
*
* Set the following properties in "conf/awscredntial.properties"
*
*/
public class ClearCredential implements ICredential
{
private static final Logger logger = LoggerFactory.getLogger(ClearCredential.class);
private static final String CRED_FILE = "/etc/awscredential.properties";
private final String AWS_ACCESS_ID;
private final String AWS_KEY;
public ClearCredential()
{
FileInputStream fis = null;
try
{
fis = new FileInputStream(CRED_FILE);
final Properties props = new Properties();
props.load(fis);
AWS_ACCESS_ID = props.getProperty("AWSACCESSID") != null ? props.getProperty("AWSACCESSID").trim() : "";
AWS_KEY = props.getProperty("AWSKEY") != null ? props.getProperty("AWSKEY").trim() : "";
}
catch (Exception e)
{
logger.error("Exception with credential file ", e);
throw new RuntimeException("Problem reading credential file. Cannot start.", e);
}
finally
{
FileUtils.closeQuietly(fis);
}
}
public AWSCredentialsProvider getAwsCredentialProvider()
{
return new AWSCredentialsProvider()
{
public AWSCredentials getCredentials()
{
return new BasicAWSCredentials(AWS_ACCESS_ID, AWS_KEY);
}
public void refresh()
{
// NOP
}
};
}
}