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Implements the Dasein Cloud API for Cloud.com Cloudstack-based public and private clouds.
/**
* Copyright (C) 2009-2015 Dell, Inc.
*
* ====================================================================
* Licensed 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.dasein.cloud.cloudstack;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import org.dasein.cloud.CloudException;
import org.dasein.cloud.InternalException;
import org.dasein.cloud.ProviderContext;
import org.dasein.cloud.dc.AbstractDataCenterServices;
import org.dasein.cloud.dc.DataCenter;
import org.dasein.cloud.dc.DataCenterCapabilities;
import org.dasein.cloud.dc.DataCenterServices;
import org.dasein.cloud.dc.Folder;
import org.dasein.cloud.dc.Region;
import org.dasein.cloud.dc.ResourcePool;
import org.dasein.cloud.dc.StoragePool;
import org.dasein.cloud.util.APITrace;
import org.dasein.cloud.util.Cache;
import org.dasein.cloud.util.CacheLevel;
import org.dasein.util.uom.time.Day;
import org.dasein.util.uom.time.Minute;
import org.dasein.util.uom.time.TimePeriod;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
public class CSTopology extends AbstractDataCenterServices {
static public final String LIST_ZONES = "listZones";
private transient volatile CSTopologyCapabilities capabilities;
CSTopology(CSCloud provider) {
super(provider);
}
@Nonnull
@Override
public DataCenterCapabilities getCapabilities() throws InternalException, CloudException {
if( capabilities == null ) {
capabilities = new CSTopologyCapabilities(getProvider());
}
return capabilities;
}
public @Nullable DataCenter getDataCenter(@Nonnull String zoneId) throws InternalException, CloudException {
APITrace.begin(getProvider(), "DC.getDataCenter");
try {
for( Region region : listRegions() ) {
for( DataCenter dc : listDataCenters(region.getProviderRegionId()) ) {
if( dc.getProviderDataCenterId().equals(zoneId) ) {
return dc;
}
}
}
return null;
}
finally {
APITrace.end();
}
}
public @Nullable Region getRegion(@Nonnull String regionId) throws InternalException, CloudException {
APITrace.begin(getProvider(), "DC.getRegion");
try {
for( Region region : listRegions() ) {
if( region.getProviderRegionId().equals(regionId) ) {
return region;
}
}
return null;
}
finally {
APITrace.end();
}
}
public boolean zoneSupportsVlans(@Nonnull String zoneId) throws InternalException, CloudException {
Cache cache = Cache.getInstance(getProvider(), "advanced.vlan."+zoneId, Boolean.class, CacheLevel.CLOUD_ACCOUNT,
new TimePeriod(1,
TimePeriod.DAY));
Iterable cachedValues = cache.get(getContext());
if( cachedValues != null && cachedValues.iterator().hasNext() ) {
return cachedValues.iterator().next();
}
APITrace.begin(getProvider(), "DC.zoneSupportsVlans");
try {
Document doc = new CSMethod(getProvider()).get(LIST_ZONES, new Param("available", "true"));
NodeList matches = doc.getElementsByTagName("zone");
for( int i=0; i listDataCenters(@Nonnull String regionId) throws InternalException, CloudException {
APITrace.begin(getProvider(), "DC.listDataCenters");
try {
Cache cache = Cache.getInstance(getProvider(), "dataCenters", DataCenter.class, CacheLevel.REGION_ACCOUNT, new TimePeriod(15, TimePeriod.MINUTE));
Iterable dcs = cache.get(getContext());
if( dcs == null ) {
Region region = getRegion(regionId);
if( region == null ) {
throw new CloudException("No such region: " + regionId);
}
DataCenter zone = new DataCenter();
zone.setActive(true);
zone.setAvailable(true);
zone.setName(region.getName() + " (DC)");
zone.setProviderDataCenterId(regionId);
zone.setRegionId(regionId);
dcs = Collections.singletonList(zone);
cache.put(getContext(), dcs);
}
return dcs;
}
finally {
APITrace.end();
}
}
public @Nonnull Iterable listRegions() throws InternalException, CloudException {
APITrace.begin(getProvider(), "DC.listRegions");
try {
Cache cache = Cache.getInstance(getProvider(), "regions", Region.class, CacheLevel.CLOUD_ACCOUNT, new TimePeriod(15, TimePeriod.MINUTE));
Iterable regions = cache.get(getContext());
if( regions == null ) {
Document doc = new CSMethod(getProvider()).get(LIST_ZONES, new Param("available", "true"));
regions = new ArrayList();
NodeList matches = doc.getElementsByTagName("zone");
for( int i=0; i 0 ) {
value = n.getFirstChild().getNodeValue();
}
else {
value = null;
}
if( name.equals("id") ) {
region.setProviderRegionId(value);
}
else if( name.equals("name") ) {
region.setName(value);
}
}
if( region.getProviderRegionId() == null ) {
return null;
}
if( region.getName() == null ) {
region.setName(region.getProviderRegionId());
}
region.setActive(true);
region.setAvailable(true);
region.setJurisdiction(getJurisdiction(region.getName()));
return region;
}
private String getJurisdiction(String name) {
if( name.contains("New York") ) {
return "US";
}
else if( name.contains("Hong Kong") ) {
return "HK";
}
else if( name.contains("India") ) {
return "IN";
}
else if( name.contains("London") ) {
return "EU";
}
ProviderContext ctx = getProvider().getContext();
Properties p = (ctx == null ? null : ctx.getCustomProperties());
return (p == null ? "US" : p.getProperty("locale." + name, "US"));
}
}