/**
* 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.apache.ambari.server.api.rest;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import org.apache.ambari.server.bootstrap.BSHostStatus;
import org.apache.ambari.server.bootstrap.BSResponse;
import org.apache.ambari.server.bootstrap.BootStrapImpl;
import org.apache.ambari.server.bootstrap.BootStrapStatus;
import org.apache.ambari.server.bootstrap.SshHostInfo;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.google.inject.Inject;
@Path("/bootstrap")
public class BootStrapResource {
private static BootStrapImpl bsImpl;
private static Log LOG = LogFactory.getLog(BootStrapResource.class);
@Inject
public static void init(BootStrapImpl instance) {
bsImpl = instance;
}
/**
* Run bootstrap on a list of hosts.
* @response.representation.200.doc
*
* @response.representation.200.mediaType application/json
* @response.representation.406.doc Error in format
* @response.representation.408.doc Request Timed out
* @throws Exception
*/
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public BSResponse bootStrap(SshHostInfo sshInfo, @Context UriInfo uriInfo) {
normalizeHosts(sshInfo);
BSResponse resp = bsImpl.runBootStrap(sshInfo);
return resp;
}
/**
* Current BootStrap Information thats running.
* @response.representation.200.doc
*
* @response.representation.200.mediaType application/json
* @response.representation.406.doc Error in format
* @response.representation.408.doc Request Timed out
* @throws Exception
*/
@GET
@Path("/{requestId}")
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public BootStrapStatus getBootStrapStatus(@PathParam("requestId")
long requestId, @Context UriInfo info) {
BootStrapStatus status = bsImpl.getStatus(requestId);
if (status == null)
throw new WebApplicationException(Response.Status.NO_CONTENT);
return status;
}
/**
* Gets a list of bootstrapped hosts.
*
* @param info the host info, with no SSL key information
*/
@GET
@Path("/hosts")
@Produces(MediaType.APPLICATION_JSON)
public List<BSHostStatus> getBootStrapHosts(@Context UriInfo uriInfo) {
List<BSHostStatus> allStatus = bsImpl.getHostInfo(null);
if (0 == allStatus.size())
throw new WebApplicationException(Response.Status.NO_CONTENT);
return allStatus;
}
/**
* Gets a list of bootstrapped hosts.
*
* @param info the host info, with no SSL key information required
*/
@POST
@Path("/hosts")
@Produces(MediaType.APPLICATION_JSON)
public List<BSHostStatus> getBootStrapHosts(SshHostInfo info, @Context UriInfo uriInfo) {
List<BSHostStatus> allStatus = bsImpl.getHostInfo(info.getHosts());
if (0 == allStatus.size())
throw new WebApplicationException(Response.Status.NO_CONTENT);
return allStatus;
}
private void normalizeHosts(SshHostInfo info) {
List<String> validHosts = new ArrayList<String>();
List<String> newHosts = new ArrayList<String>();
for (String host: info.getHosts()) {
try {
InetAddress addr = InetAddress.getByName(host);
if (!validHosts.contains(addr.getHostAddress())) {
validHosts.add(addr.getHostAddress());
newHosts.add(host);
} else {
LOG.warn("Host " + host + " has already been targeted to be bootstrapped.");
}
} catch (UnknownHostException e) {
LOG.warn("Host " + host + " cannot be determined.");
}
}
info.setHosts(newHosts);
}
}