org.jclouds.openstack.nova.compute.functions.NovaImageToOperatingSystem Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of nova Show documentation
Show all versions of nova Show documentation
jclouds components to access an implementation of OpenStack Nova
The newest version!
/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds 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.nova.compute.functions;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import org.jclouds.compute.domain.OperatingSystem;
import org.jclouds.compute.domain.OsFamily;
import org.jclouds.compute.reference.ComputeServiceConstants;
import org.jclouds.compute.util.ComputeServiceUtils;
import org.jclouds.logging.Logger;
import com.google.common.base.Function;
/**
*
* @author Adrian Cole
*/
@Singleton
public class NovaImageToOperatingSystem implements
Function {
public static final Pattern DEFAULT_PATTERN = Pattern.compile("(([^ ]*) ([0-9.]+) ?.*)");
// Windows Server 2008 R2 x64
public static final Pattern WINDOWS_PATTERN = Pattern.compile("Windows (.*) (x[86][64])");
@Resource
@Named(ComputeServiceConstants.COMPUTE_LOGGER)
protected Logger logger = Logger.NULL;
private final Map> osVersionMap;
@Inject
public NovaImageToOperatingSystem(Map> osVersionMap) {
this.osVersionMap = osVersionMap;
}
public OperatingSystem apply(final org.jclouds.openstack.nova.domain.Image from) {
OsFamily osFamily = null;
String osName = null;
String osArch = null;
String osVersion = null;
String osDescription = from.getName() != null ? from.getName() : "unspecified";
String name = from.getName() != null ? from.getName() : "unspecified";
boolean is64Bit = true;
if (name.indexOf("Red Hat EL") != -1) {
osFamily = OsFamily.RHEL;
} else if (name.indexOf("Oracle EL") != -1) {
osFamily = OsFamily.OEL;
} else if (name.indexOf("Windows") != -1) {
osFamily = OsFamily.WINDOWS;
Matcher matcher = WINDOWS_PATTERN.matcher(from.getName());
if (matcher.find()) {
osVersion = ComputeServiceUtils.parseVersionOrReturnEmptyString(osFamily, matcher.group(1), osVersionMap);
is64Bit = matcher.group(2).equals("x64");
}
} else {
Matcher matcher = DEFAULT_PATTERN.matcher(name);
if (matcher.find()) {
try {
osFamily = OsFamily.fromValue(matcher.group(2).toLowerCase());
} catch (IllegalArgumentException e) {
logger.debug("<< didn't match os(%s)", matcher.group(2));
}
osVersion = ComputeServiceUtils.parseVersionOrReturnEmptyString(osFamily, matcher.group(3), osVersionMap);
}
}
return new OperatingSystem(osFamily, osName, osVersion, osArch, osDescription, is64Bit);
}
}