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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.cloud.aws;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.AWSSessionCredentials;
import com.amazonaws.auth.BasicSessionCredentials;
import com.yahoo.slime.Cursor;
import com.yahoo.slime.Slime;
import com.yahoo.slime.SlimeUtils;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.concurrent.atomic.AtomicReference;
public class VespaAwsCredentialsProvider implements AWSCredentialsProvider {
private static final String DEFAULT_CREDENTIALS_PATH = "/opt/vespa/var/container-data/opt/vespa/conf/vespa/credentials.json";
private final AtomicReference<AWSCredentials> credentials = new AtomicReference<>();
private final Path credentialsPath;
public VespaAwsCredentialsProvider() {
this.credentialsPath = Path.of(DEFAULT_CREDENTIALS_PATH);
refresh();
}
@Override
public AWSCredentials getCredentials() {
return credentials.get();
}
@Override
public void refresh() {
try {
credentials.set(readCredentials());
} catch (Exception e) {
throw new RuntimeException("Unable to get credentials in " + credentialsPath.toString(), e);
}
}
private AWSSessionCredentials readCredentials() {
try {
Slime slime = SlimeUtils.jsonToSlime(Files.readAllBytes(credentialsPath));
Cursor cursor = slime.get();
String accessKey = cursor.field("awsAccessKey").asString();
String secretKey = cursor.field("awsSecretKey").asString();
String sessionToken = cursor.field("sessionToken").asString();
return new BasicSessionCredentials(accessKey, secretKey, sessionToken);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
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