/**
* Copyright (C) 2014 Couchbase, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALING
* IN THE SOFTWARE.
*/
package com.couchbase.client.core.config.loader;
import com.couchbase.client.core.ClusterFacade;
import com.couchbase.client.core.config.ConfigurationException;
import com.couchbase.client.core.config.LoaderType;
import com.couchbase.client.core.env.CoreEnvironment;
import com.couchbase.client.core.logging.CouchbaseLogger;
import com.couchbase.client.core.logging.CouchbaseLoggerFactory;
import com.couchbase.client.core.message.config.BucketConfigRequest;
import com.couchbase.client.core.message.config.BucketConfigResponse;
import com.couchbase.client.core.service.ServiceType;
import rx.Observable;
import rx.functions.Func1;
import java.net.InetAddress;
/**
* Loads a raw bucket configuration through the Couchbase Server HTTP config interface.
*
* @author Michael Nitschinger
* @since 1.0
*/
public class HttpLoader extends AbstractLoader {
/**
* The logger used.
*/
private static final CouchbaseLogger LOGGER = CouchbaseLoggerFactory.getInstance(HttpLoader.class);
private static final String TERSE_PATH = "/pools/default/b/";
private static final String VERBOSE_PATH = "/pools/default/buckets/";
/**
* Creates a new {@link HttpLoader}.
*
* @param cluster the cluster reference.
* @param environment the environment to use.
*/
public HttpLoader(ClusterFacade cluster, CoreEnvironment environment) {
super(LoaderType.HTTP, ServiceType.CONFIG, cluster, environment);
}
@Override
protected int port() {
return env().sslEnabled() ? env().bootstrapHttpSslPort() : env().bootstrapHttpDirectPort();
}
@Override
protected Observable<String> discoverConfig(final String bucket, final String password, final InetAddress hostname) {
if (!env().bootstrapHttpEnabled()) {
LOGGER.info("HTTP Bootstrap manually disabled.");
return Observable.error(new ConfigurationException("HTTP Bootstrap disabled through configuration."));
}
return cluster()
.<BucketConfigResponse>send(new BucketConfigRequest(TERSE_PATH, hostname, bucket, password))
.flatMap(new Func1<BucketConfigResponse, Observable<BucketConfigResponse>>() {
@Override
public Observable<BucketConfigResponse> call(BucketConfigResponse response) {
if (response.status().isSuccess()) {
LOGGER.debug("Successfully got config from terse bucket remote.");
return Observable.just(response);
}
LOGGER.debug("Terse bucket config failed, falling back to verbose.");
return cluster().send(new BucketConfigRequest(VERBOSE_PATH, hostname, bucket, password));
}
}).map(new Func1<BucketConfigResponse, String>() {
@Override
public String call(BucketConfigResponse response) {
if (!response.status().isSuccess()) {
throw new IllegalStateException("Could not load bucket configuration: "
+ response.status() + "(" + response.config() + ")");
}
LOGGER.debug("Successfully loaded config through HTTP.");
return replaceHostWildcard(response.config(), hostname);
}
});
}
}