Java tutorial
/************************************************************************* * Copyright 2009-2014 Eucalyptus Systems, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/. * * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need * additional information or have any questions. * * This file may incorporate work covered under the following copyright * and permission notice: * * Software License Agreement (BSD License) * * Copyright (c) 2008, Regents of the University of California * All rights reserved. * * Redistribution and use of this software in source and binary forms, * with or without modification, are permitted provided that the * following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE * THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL, * COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE, * AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING * IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, * SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, * WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION, * REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO * IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT * NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS. ************************************************************************/ package com.eucalyptus.vm; import javax.persistence.Column; import javax.persistence.Embeddable; import javax.persistence.Transient; import org.hibernate.annotations.Parent; import com.google.common.base.Objects; import com.google.common.base.Strings; @Embeddable public class VmNetworkConfig { @Parent private VmInstance parent; @Column(name = "metadata_vm_private_addressing") private Boolean usePrivateAddressing; @Column(name = "metadata_vm_mac_address") private String macAddress; @Column(name = "metadata_vm_private_address") private String privateAddress; @Column(name = "metadata_vm_public_address") private String publicAddress; @Column(name = "metadata_vm_private_dns") private String privateDnsName; @Column(name = "metadata_vm_public_dns") private String publicDnsName; @Transient public static String DEFAULT_IP = "0.0.0.0"; VmNetworkConfig(VmInstance parent, String ipAddress, String ignoredPublicIp) { super(); this.usePrivateAddressing = false; this.parent = parent; this.privateAddress = ipAddress; this.publicAddress = ignoredPublicIp; this.updateDns(); } VmNetworkConfig(String ipAddress, String ignoredPublicIp) { super(); this.privateAddress = ipAddress; this.publicAddress = ignoredPublicIp; } VmNetworkConfig() { super(); } /** * @param vmInstance */ VmNetworkConfig(VmInstance vmInstance) { this(vmInstance, DEFAULT_IP, DEFAULT_IP); } /** * */ VmNetworkConfig(final VmInstance vmInstance, final Boolean usePrivateAddressing) { this(vmInstance); this.usePrivateAddressing = usePrivateAddressing; } void updateDns() { String dnsDomain = null; try { dnsDomain = edu.ucsb.eucalyptus.cloud.entities.SystemConfiguration.getSystemConfiguration() .getDnsDomain(); } catch (final Exception e) { } dnsDomain = dnsDomain == null ? "dns-disabled" : dnsDomain; this.publicAddress = ipOrDefault(this.publicAddress); this.publicDnsName = DEFAULT_IP.equals(publicAddress) ? "" : "euca-" + this.publicAddress.replace('.', '-') + VmInstances.INSTANCE_SUBDOMAIN + "." + dnsDomain; this.privateAddress = ipOrDefault(this.privateAddress); this.privateDnsName = DEFAULT_IP.equals(privateAddress) ? "" : "euca-" + this.privateAddress.replace('.', '-') + VmInstances.INSTANCE_SUBDOMAIN + ".internal"; } private VmInstance getParent() { return this.parent; } void setParent(VmInstance parent) { this.parent = parent; } Boolean getUsePrivateAddressing() { return this.usePrivateAddressing; } void setUsePrivateAddressing(Boolean usePrivateAddressing) { this.usePrivateAddressing = usePrivateAddressing; } String getMacAddress() { return this.macAddress; } void setMacAddress(String macAddress) { this.macAddress = macAddress; } String getPrivateAddress() { return this.privateAddress; } void setPrivateAddress(String privateAddress) { this.privateAddress = privateAddress; } String getPublicAddress() { return this.publicAddress; } void setPublicAddress(String publicAddress) { this.publicAddress = publicAddress; } String getPrivateDnsName() { return this.privateDnsName; } void setPrivateDnsName(String privateDnsName) { this.privateDnsName = privateDnsName; } String getPublicDnsName() { return this.publicDnsName; } void setPublicDnsName(String publicDnsName) { this.publicDnsName = publicDnsName; } @Override public String toString() { StringBuilder builder = new StringBuilder(); builder.append("VmNetworkConfig:"); if (this.usePrivateAddressing != null) builder.append("usePrivateAddressing=").append(this.usePrivateAddressing).append(":"); if (this.macAddress != null) builder.append("macAddress=").append(this.macAddress).append(":"); if (this.privateAddress != null) builder.append("privateAddress=").append(this.privateAddress).append(":"); if (this.publicAddress != null) builder.append("publicAddress=").append(this.publicAddress).append(":"); if (this.privateDnsName != null) builder.append("privateDnsName=").append(this.privateDnsName).append(":"); if (this.publicDnsName != null) builder.append("publicDnsName=").append(this.publicDnsName); return builder.toString(); } static String ipOrDefault(final String ip) { return Objects.firstNonNull(Strings.emptyToNull(ip), VmNetworkConfig.DEFAULT_IP); } /** * @param ip * @return */ public static VmNetworkConfig exampleWithPrivateIp(String ip) { return VmNetworkConfig.exampleWithIps(ip, null); } public static VmNetworkConfig exampleWithPublicIp(String ip) { return VmNetworkConfig.exampleWithIps(null, ip); } public static VmNetworkConfig exampleWithIps(String privateIp, String publicIp) { return new VmNetworkConfig(privateIp, publicIp); } }