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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.jclouds.openstack.handlers;
import static org.jclouds.http.HttpUtils.closeClientButKeepContentStream;
import static org.jclouds.http.HttpUtils.releasePayload;
import javax.annotation.Resource;
import org.jclouds.domain.Credentials;
import org.jclouds.http.HttpCommand;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.HttpRetryHandler;
import org.jclouds.logging.Logger;
import org.jclouds.openstack.domain.AuthenticationResponse;
import org.jclouds.openstack.reference.AuthHeaders;
import com.google.common.cache.LoadingCache;
import com.google.common.collect.Multimap;
import com.google.inject.Inject;
import com.google.inject.Singleton;
/**
* This will parse and set an appropriate exception on the command object.
*
* @author Adrian Cole
*
*/
@Singleton
public class RetryOnRenew implements HttpRetryHandler {
@Resource
protected Logger logger = Logger.NULL;
private final LoadingCache authenticationResponseCache;
@Inject
protected RetryOnRenew(LoadingCache authenticationResponseCache) {
this.authenticationResponseCache = authenticationResponseCache;
}
@Override
public boolean shouldRetryRequest(HttpCommand command, HttpResponse response) {
boolean retry = false; // default
try {
switch (response.getStatusCode()) {
case 401:
// Do not retry on 401 from authentication request
Multimap headers = command.getCurrentRequest().getHeaders();
if (headers != null && headers.containsKey(AuthHeaders.AUTH_USER)
&& headers.containsKey(AuthHeaders.AUTH_KEY) && !headers.containsKey(AuthHeaders.AUTH_TOKEN)) {
retry = false;
} else {
byte[] content = closeClientButKeepContentStream(response);
if (content != null && new String(content).contains("lease renew")) {
logger.debug("invalidating authentication token");
authenticationResponseCache.invalidateAll();
retry = true;
} else {
retry = false;
}
}
break;
}
return retry;
} finally {
releasePayload(response);
}
}
}
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