// 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 com.cloud.hypervisor.xen.discoverer;
import com.cloud.agent.AgentManager;
import com.cloud.agent.Listener;
import com.cloud.agent.api.AgentControlAnswer;
import com.cloud.agent.api.AgentControlCommand;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.Command;
import com.cloud.agent.api.SetupAnswer;
import com.cloud.agent.api.SetupCommand;
import com.cloud.agent.api.StartupCommand;
import com.cloud.agent.api.StartupRoutingCommand;
import com.cloud.alert.AlertManager;
import com.cloud.configuration.Config;
import com.cloud.dc.ClusterVO;
import com.cloud.dc.DataCenterVO;
import com.cloud.dc.HostPodVO;
import com.cloud.dc.dao.HostPodDao;
import com.cloud.exception.AgentUnavailableException;
import com.cloud.exception.ConnectionException;
import com.cloud.exception.DiscoveredWithErrorException;
import com.cloud.exception.DiscoveryException;
import com.cloud.exception.OperationTimedoutException;
import com.cloud.host.HostEnvironment;
import com.cloud.host.HostInfo;
import com.cloud.host.HostVO;
import com.cloud.host.Status;
import com.cloud.hypervisor.Hypervisor;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.hypervisor.xen.resource.CitrixResourceBase;
import com.cloud.hypervisor.xen.resource.XcpOssResource;
import com.cloud.hypervisor.xen.resource.XcpServer16Resource;
import com.cloud.hypervisor.xen.resource.XcpServerResource;
import com.cloud.hypervisor.xen.resource.XenServer56FP1Resource;
import com.cloud.hypervisor.xen.resource.XenServer56Resource;
import com.cloud.hypervisor.xen.resource.XenServer56SP2Resource;
import com.cloud.hypervisor.xen.resource.XenServer600Resource;
import com.cloud.hypervisor.xen.resource.XenServer602Resource;
import com.cloud.hypervisor.xen.resource.XenServer610Resource;
import com.cloud.hypervisor.xen.resource.XenServer620Resource;
import com.cloud.hypervisor.xen.resource.XenServer620SP1Resource;
import com.cloud.hypervisor.xen.resource.XenServerConnectionPool;
import com.cloud.hypervisor.xen.resource.Xenserver625Resource;
import com.cloud.resource.Discoverer;
import com.cloud.resource.DiscovererBase;
import com.cloud.resource.ResourceStateAdapter;
import com.cloud.resource.ServerResource;
import com.cloud.resource.UnableDeleteHostException;
import com.cloud.storage.Storage.ImageFormat;
import com.cloud.storage.Storage.TemplateType;
import com.cloud.storage.VMTemplateVO;
import com.cloud.storage.dao.VMTemplateDao;
import com.cloud.user.Account;
import com.cloud.utils.NumbersUtil;
import com.cloud.utils.db.QueryBuilder;
import com.cloud.utils.db.SearchCriteria.Op;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.exception.HypervisorVersionChangedException;
import com.xensource.xenapi.Connection;
import com.xensource.xenapi.Host;
import com.xensource.xenapi.HostPatch;
import com.xensource.xenapi.Pool;
import com.xensource.xenapi.PoolPatch;
import com.xensource.xenapi.Session;
import com.xensource.xenapi.Types.SessionAuthenticationFailed;
import com.xensource.xenapi.Types.UuidInvalid;
import com.xensource.xenapi.Types.XenAPIException;
import org.apache.cloudstack.hypervisor.xenserver.XenserverConfigs;
import org.apache.log4j.Logger;
import org.apache.xmlrpc.XmlRpcException;
import javax.ejb.Local;
import javax.inject.Inject;
import javax.naming.ConfigurationException;
import javax.persistence.EntityExistsException;
import java.net.InetAddress;
import java.net.URI;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Queue;
import java.util.Set;
@Local(value = Discoverer.class)
public class XcpServerDiscoverer extends DiscovererBase implements Discoverer, Listener, ResourceStateAdapter {
private static final Logger s_logger = Logger.getLogger(XcpServerDiscoverer.class);
protected String _publicNic;
protected String _privateNic;
protected String _storageNic1;
protected String _storageNic2;
protected int _wait;
protected XenServerConnectionPool _connPool;
protected boolean _checkHvm;
protected String _guestNic;
protected boolean _setupMultipath;
protected String _instance;
private String xs620snapshothotfix = "Xenserver-Vdi-Copy-HotFix";
@Inject
protected AlertManager _alertMgr;
@Inject
protected AgentManager _agentMgr;
@Inject
VMTemplateDao _tmpltDao;
@Inject
HostPodDao _podDao;
protected XcpServerDiscoverer() {
}
void setClusterGuid(ClusterVO cluster, String guid) {
cluster.setGuid(guid);
try {
_clusterDao.update(cluster.getId(), cluster);
} catch (EntityExistsException e) {
QueryBuilder<ClusterVO> sc = QueryBuilder.create(ClusterVO.class);
sc.and(sc.entity().getGuid(), Op.EQ, guid);
List<ClusterVO> clusters = sc.list();
ClusterVO clu = clusters.get(0);
List<HostVO> clusterHosts = _resourceMgr.listAllHostsInCluster(clu.getId());
if (clusterHosts == null || clusterHosts.size() == 0) {
clu.setGuid(null);
_clusterDao.update(clu.getId(), clu);
_clusterDao.update(cluster.getId(), cluster);
return;
}
throw e;
}
}
protected boolean poolHasHotFix(Connection conn, String hostIp, String hotFixUuid) {
try {
Map<Host, Host.Record> hosts = Host.getAllRecords(conn);
for (Map.Entry<Host, Host.Record> entry : hosts.entrySet()) {
Host.Record re = entry.getValue();
if (!re.address.equalsIgnoreCase(hostIp)){
continue;
}
Set<HostPatch> patches = re.patches;
PoolPatch poolPatch = PoolPatch.getByUuid(conn, hotFixUuid);
for(HostPatch patch : patches) {
PoolPatch pp = patch.getPoolPatch(conn);
if (pp.equals(poolPatch) && patch.getApplied(conn)) {
s_logger.debug("host " + hostIp + " does have " + hotFixUuid +" Hotfix.");
return true;
}
}
}
return false;
} catch (UuidInvalid e) {
s_logger.debug("host " + hostIp + " doesn't have " + hotFixUuid + " Hotfix");
} catch (Exception e) {
s_logger.debug("can't get patches information, consider it doesn't have " + hotFixUuid + " Hotfix");
}
return false;
}
@Override
public Map<? extends ServerResource, Map<String, String>>
find(long dcId, Long podId, Long clusterId, URI url, String username, String password, List<String> hostTags) throws DiscoveryException {
Map<CitrixResourceBase, Map<String, String>> resources = new HashMap<CitrixResourceBase, Map<String, String>>();
Connection conn = null;
if (!url.getScheme().equals("http")) {
String msg = "urlString is not http so we're not taking care of the discovery for this: " + url;
s_logger.debug(msg);
return null;
}
if (clusterId == null) {
String msg = "must specify cluster Id when add host";
s_logger.debug(msg);
throw new RuntimeException(msg);
}
if (podId == null) {
String msg = "must specify pod Id when add host";
s_logger.debug(msg);
throw new RuntimeException(msg);
}
ClusterVO cluster = _clusterDao.findById(clusterId);
if (cluster == null || cluster.getHypervisorType() != HypervisorType.XenServer) {
if (s_logger.isInfoEnabled())
s_logger.info("invalid cluster id or cluster is not for XenServer hypervisors");
return null;
}
try {
String hostname = url.getHost();
InetAddress ia = InetAddress.getByName(hostname);
String hostIp = ia.getHostAddress();
Queue<String> pass = new LinkedList<String>();
pass.add(password);
conn = _connPool.getConnect(hostIp, username, pass);
if (conn == null) {
String msg = "Unable to get a connection to " + url;
s_logger.debug(msg);
throw new DiscoveryException(msg);
}
Set<Pool> pools = Pool.getAll(conn);
Pool pool = pools.iterator().next();
Pool.Record pr = pool.getRecord(conn);
String poolUuid = pr.uuid;
Map<Host, Host.Record> hosts = Host.getAllRecords(conn);
String latestHotFix = "";
if (poolHasHotFix(conn, hostIp, XenserverConfigs.XSHotFix62ESP1004)) {
latestHotFix = XenserverConfigs.XSHotFix62ESP1004;
} else if (poolHasHotFix(conn, hostIp, XenserverConfigs.XSHotFix62ESP1)) {
latestHotFix = XenserverConfigs.XSHotFix62ESP1;
}
/*set cluster hypervisor type to xenserver*/
ClusterVO clu = _clusterDao.findById(clusterId);
if (clu.getGuid() == null) {
setClusterGuid(clu, poolUuid);
} else {
List<HostVO> clusterHosts = _resourceMgr.listAllHostsInCluster(clusterId);
if (clusterHosts != null && clusterHosts.size() > 0) {
if (!clu.getGuid().equals(poolUuid)) {
String msg = "Please join the host " + hostIp + " to XS pool "
+ clu.getGuid() + " through XC/XS before adding it through CS UI";
s_logger.warn(msg);
throw new DiscoveryException(msg);
}
} else {
setClusterGuid(clu, poolUuid);
}
}
// can not use this conn after this point, because this host may join a pool, this conn is retired
if (conn != null) {
try {
Session.logout(conn);
} catch (Exception e) {
}
conn.dispose();
conn = null;
}
poolUuid = clu.getGuid();
_clusterDao.update(clusterId, clu);
if (_checkHvm) {
for (Map.Entry<Host, Host.Record> entry : hosts.entrySet()) {
Host.Record record = entry.getValue();
boolean support_hvm = false;
for (String capability : record.capabilities) {
if (capability.contains("hvm")) {
support_hvm = true;
break;
}
}
if (!support_hvm) {
String msg = "Unable to add host " + record.address + " because it doesn't support hvm";
_alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, dcId, podId, msg, msg);
s_logger.debug(msg);
throw new RuntimeException(msg);
}
}
}
for (Map.Entry<Host, Host.Record> entry : hosts.entrySet()) {
Host.Record record = entry.getValue();
String hostAddr = record.address;
String prodVersion = record.softwareVersion.get("product_version");
if (prodVersion == null) {
prodVersion = record.softwareVersion.get("platform_version");
}
String xenVersion = record.softwareVersion.get("xen");
String hostOS = record.softwareVersion.get("product_brand");
if (hostOS == null) {
hostOS = record.softwareVersion.get("platform_name");
}
String hostOSVer = prodVersion;
String hostKernelVer = record.softwareVersion.get("linux");
if (_resourceMgr.findHostByGuid(record.uuid) != null) {
s_logger.debug("Skipping " + record.address + " because " + record.uuid + " is already in the database.");
continue;
}
CitrixResourceBase resource = createServerResource(dcId, podId, record, latestHotFix);
s_logger.info("Found host " + record.hostname + " ip=" + record.address + " product version=" + prodVersion);
Map<String, String> details = new HashMap<String, String>();
Map<String, Object> params = new HashMap<String, Object>();
details.put("url", hostAddr);
details.put("username", username);
params.put("username", username);
details.put("password", password);
params.put("password", password);
params.put("zone", Long.toString(dcId));
params.put("guid", record.uuid);
params.put("pod", podId.toString());
params.put("cluster", clusterId.toString());
params.put("pool", poolUuid);
params.put("ipaddress", record.address);
details.put(HostInfo.HOST_OS, hostOS);
details.put(HostInfo.HOST_OS_VERSION, hostOSVer);
details.put(HostInfo.HOST_OS_KERNEL_VERSION, hostKernelVer);
details.put(HostInfo.HYPERVISOR_VERSION, xenVersion);
String privateNetworkLabel = _networkMgr.getDefaultManagementTrafficLabel(dcId, HypervisorType.XenServer);
String storageNetworkLabel = _networkMgr.getDefaultStorageTrafficLabel(dcId, HypervisorType.XenServer);
if (!params.containsKey("private.network.device") && privateNetworkLabel != null) {
params.put("private.network.device", privateNetworkLabel);
details.put("private.network.device", privateNetworkLabel);
}
if (!params.containsKey("storage.network.device1") && storageNetworkLabel != null) {
params.put("storage.network.device1", storageNetworkLabel);
details.put("storage.network.device1", storageNetworkLabel);
}
DataCenterVO zone = _dcDao.findById(dcId);
boolean securityGroupEnabled = zone.isSecurityGroupEnabled();
params.put("securitygroupenabled", Boolean.toString(securityGroupEnabled));
params.put("router.aggregation.command.each.timeout", _configDao.getValue(Config.RouterAggregationCommandEachTimeout.toString()));
params.put("wait", Integer.toString(_wait));
details.put("wait", Integer.toString(_wait));
params.put("migratewait", _configDao.getValue(Config.MigrateWait.toString()));
params.put(Config.XenMaxNics.toString().toLowerCase(), _configDao.getValue(Config.XenMaxNics.toString()));
params.put(Config.XenHeartBeatInterval.toString().toLowerCase(), _configDao.getValue(Config.XenHeartBeatInterval.toString()));
params.put(Config.InstanceName.toString().toLowerCase(), _instance);
details.put(Config.InstanceName.toString().toLowerCase(), _instance);
try {
resource.configure("Xen Server", params);
} catch (ConfigurationException e) {
_alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, dcId, podId, "Unable to add " + record.address, "Error is " + e.getMessage());
s_logger.warn("Unable to instantiate " + record.address, e);
continue;
}
resource.start();
resources.put(resource, details);
}
} catch (SessionAuthenticationFailed e) {
throw new DiscoveredWithErrorException("Authentication error");
} catch (XenAPIException e) {
s_logger.warn("XenAPI exception", e);
return null;
} catch (XmlRpcException e) {
s_logger.warn("Xml Rpc Exception", e);
return null;
} catch (UnknownHostException e) {
s_logger.warn("Unable to resolve the host name", e);
return null;
} catch (Exception e) {
s_logger.debug("other exceptions: " + e.toString(), e);
return null;
}
return resources;
}
String getPoolUuid(Connection conn) throws XenAPIException, XmlRpcException {
Map<Pool, Pool.Record> pools = Pool.getAllRecords(conn);
assert pools.size() == 1 : "Pools size is " + pools.size();
return pools.values().iterator().next().uuid;
}
protected void addSamePool(Connection conn, Map<CitrixResourceBase, Map<String, String>> resources) throws XenAPIException, XmlRpcException {
Map<Pool, Pool.Record> hps = Pool.getAllRecords(conn);
assert (hps.size() == 1) : "How can it be more than one but it's actually " + hps.size();
// This is the pool.
String poolUuid = hps.values().iterator().next().uuid;
for (Map<String, String> details : resources.values()) {
details.put("pool", poolUuid);
}
}
protected CitrixResourceBase createServerResource(long dcId, Long podId, Host.Record record, String hotfix) {
String prodBrand = record.softwareVersion.get("product_brand");
if (prodBrand == null) {
prodBrand = record.softwareVersion.get("platform_name").trim();
} else {
prodBrand = prodBrand.trim();
}
String prodVersion = record.softwareVersion.get("product_version");
if (prodVersion == null) {
prodVersion = record.softwareVersion.get("platform_version").trim();
} else {
prodVersion = prodVersion.trim();
}
// Xen Cloud Platform group of hypervisors
if (prodBrand.equals("XCP") && (prodVersion.equals("1.0.0") || prodVersion.equals("1.1.0") || prodVersion.equals("5.6.100") || prodVersion.startsWith("1.4"))) {
return new XcpServerResource();
} else if (prodBrand.equals("XCP") && prodVersion.startsWith("1.6")) {
return new XcpServer16Resource();
} // Citrix Xenserver group of hypervisors
else if (prodBrand.equals("XenServer") && prodVersion.equals("5.6.0"))
return new XenServer56Resource();
else if (prodBrand.equals("XenServer") && prodVersion.equals("6.0.0"))
return new XenServer600Resource();
else if (prodBrand.equals("XenServer") && prodVersion.equals("6.0.2"))
return new XenServer602Resource();
else if (prodBrand.equals("XenServer") && prodVersion.equals("6.1.0"))
return new XenServer610Resource();
else if (prodBrand.equals("XenServer") && prodVersion.equals("6.2.0")) {
if (hotfix.equals(XenserverConfigs.XSHotFix62ESP1004)) {
return new Xenserver625Resource();
} else if (hotfix.equals(XenserverConfigs.XSHotFix62ESP1)) {
return new XenServer620SP1Resource();
} else {
return new XenServer620Resource();
}
} else if (prodBrand.equals("XenServer") && prodVersion.equals("5.6.100")) {
String prodVersionTextShort = record.softwareVersion.get("product_version_text_short").trim();
if ("5.6 SP2".equals(prodVersionTextShort)) {
return new XenServer56SP2Resource();
} else if ("5.6 FP1".equals(prodVersionTextShort)) {
return new XenServer56FP1Resource();
}
} else if (prodBrand.equals("XCP_Kronos")) {
return new XcpOssResource();
}
String msg =
"Only support XCP 1.0.0, 1.1.0, 1.4.x, 1.5 beta, 1.6.x; XenServer 5.6, XenServer 5.6 FP1, XenServer 5.6 SP2, Xenserver 6.0, 6.0.2, 6.1.0, 6.2.0 but this one is " +
prodBrand + " " + prodVersion;
_alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, dcId, podId, msg, msg);
s_logger.debug(msg);
throw new RuntimeException(msg);
}
protected void serverConfig() {
String value = _params.get(Config.XenSetupMultipath.key());
_setupMultipath = Boolean.parseBoolean(value);
}
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
super.configure(name, params);
serverConfig();
_publicNic = _params.get(Config.XenPublicNetwork.key());
_privateNic = _params.get(Config.XenPrivateNetwork.key());
_storageNic1 = _params.get(Config.XenStorageNetwork1.key());
_storageNic2 = _params.get(Config.XenStorageNetwork2.key());
_guestNic = _params.get(Config.XenGuestNetwork.key());
String value = _params.get(Config.XapiWait.toString());
_wait = NumbersUtil.parseInt(value, Integer.parseInt(Config.XapiWait.getDefaultValue()));
_instance = _params.get(Config.InstanceName.key());
value = _params.get(Config.XenSetupMultipath.key());
Boolean.parseBoolean(value);
value = _params.get("xen.check.hvm");
_checkHvm = false;
_connPool = XenServerConnectionPool.getInstance();
_agentMgr.registerForHostEvents(this, true, false, true);
createXsToolsISO();
_resourceMgr.registerResourceStateAdapter(this.getClass().getSimpleName(), this);
return true;
}
@Override
public boolean matchHypervisor(String hypervisor) {
if (hypervisor == null)
return true;
return Hypervisor.HypervisorType.XenServer.toString().equalsIgnoreCase(hypervisor);
}
@Override
public Hypervisor.HypervisorType getHypervisorType() {
return Hypervisor.HypervisorType.XenServer;
}
@Override
public void postDiscovery(List<HostVO> hosts, long msId) throws DiscoveryException {
//do nothing
}
@Override
public int getTimeout() {
return 0;
}
@Override
public boolean isRecurring() {
return false;
}
@Override
public boolean processAnswers(long agentId, long seq, Answer[] answers) {
return false;
}
@Override
public boolean processCommands(long agentId, long seq, Command[] commands) {
return false;
}
private void createXsToolsISO() {
String isoName = "xs-tools.iso";
VMTemplateVO tmplt = _tmpltDao.findByTemplateName(isoName);
Long id;
if (tmplt == null) {
id = _tmpltDao.getNextInSequence(Long.class, "id");
VMTemplateVO template =
VMTemplateVO.createPreHostIso(id, isoName, isoName, ImageFormat.ISO, true, true, TemplateType.PERHOST, null, null, true, 64, Account.ACCOUNT_ID_SYSTEM,
null, "xen-pv-drv-iso", false, 1, false, HypervisorType.XenServer);
_tmpltDao.persist(template);
} else {
id = tmplt.getId();
tmplt.setTemplateType(TemplateType.PERHOST);
tmplt.setUrl(null);
_tmpltDao.update(id, tmplt);
}
}
@Override
public void processConnect(com.cloud.host.Host agent, StartupCommand cmd, boolean forRebalance) throws ConnectionException {
if (!(cmd instanceof StartupRoutingCommand)) {
return;
}
long agentId = agent.getId();
StartupRoutingCommand startup = (StartupRoutingCommand)cmd;
if (startup.getHypervisorType() != HypervisorType.XenServer) {
s_logger.debug("Not XenServer so moving on.");
return;
}
HostVO host = _hostDao.findById(agentId);
ClusterVO cluster = _clusterDao.findById(host.getClusterId());
if (cluster.getGuid() == null) {
cluster.setGuid(startup.getPool());
_clusterDao.update(cluster.getId(), cluster);
} else if (!cluster.getGuid().equals(startup.getPool())) {
String msg = "pool uuid for cluster " + cluster.getId() + " changed from " + cluster.getGuid() + " to " + startup.getPool();
s_logger.warn(msg);
throw new CloudRuntimeException(msg);
}
String resource = null;
Map<String, String> details = startup.getHostDetails();
String prodBrand = details.get("product_brand").trim();
String prodVersion = details.get("product_version").trim();
if (prodBrand.equals("XCP") && (prodVersion.equals("1.0.0") || prodVersion.equals("1.1.0") || prodVersion.equals("5.6.100") || prodVersion.startsWith("1.4"))) {
resource = XcpServerResource.class.getName();
} else if (prodBrand.equals("XCP") && prodVersion.startsWith("1.6")) {
resource = XcpServer16Resource.class.getName();
} else if (prodBrand.equals("XenServer") && prodVersion.equals("5.6.0")) {
resource = XenServer56Resource.class.getName();
} else if (prodBrand.equals("XenServer") && prodVersion.equals("6.0.0")) {
resource = XenServer600Resource.class.getName();
} else if (prodBrand.equals("XenServer") && prodVersion.equals("6.0.2")) {
resource = XenServer602Resource.class.getName();
} else if (prodBrand.equals("XenServer") && prodVersion.equals("6.1.0")) {
resource = XenServer610Resource.class.getName();
} else if (prodBrand.equals("XenServer") && prodVersion.equals("6.2.0")) {
String hotfix = details.get(XenserverConfigs.XS620HotFix);
if (hotfix != null && hotfix.equalsIgnoreCase(XenserverConfigs.XSHotFix62ESP1004)) {
resource = Xenserver625Resource.class.getName();
} else if (hotfix != null && hotfix.equalsIgnoreCase(XenserverConfigs.XSHotFix62ESP1)){
resource = XenServer620SP1Resource.class.getName();
} else {
resource = XenServer620Resource.class.getName();
}
} else if (prodBrand.equals("XenServer") && prodVersion.equals("5.6.100")) {
String prodVersionTextShort = details.get("product_version_text_short").trim();
if ("5.6 SP2".equals(prodVersionTextShort)) {
resource = XenServer56SP2Resource.class.getName();
} else if ("5.6 FP1".equals(prodVersionTextShort)) {
resource = XenServer56FP1Resource.class.getName();
}
} else if (prodBrand.equals("XCP_Kronos")) {
resource = XcpOssResource.class.getName();
}
if (resource == null) {
String msg =
"Only support XCP 1.0.0, 1.1.0, 1.4.x, 1.5 beta, 1.6.x; XenServer 5.6, 5.6 FP1, 5.6 SP2 and Xenserver 6.0 , 6.0.2, 6.1.0, 6.2.0 but this one is " +
prodBrand + " " + prodVersion;
s_logger.debug(msg);
throw new RuntimeException(msg);
}
if (!resource.equals(host.getResource())) {
String msg = "host " + host.getPrivateIpAddress() + " changed from " + host.getResource() + " to " + resource;
s_logger.debug(msg);
host.setResource(resource);
host.setSetup(false);
_hostDao.update(agentId, host);
throw new HypervisorVersionChangedException(msg);
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Setting up host " + agentId);
}
HostEnvironment env = new HostEnvironment();
SetupCommand setup = new SetupCommand(env);
if (_setupMultipath) {
setup.setMultipathOn();
}
if (!host.isSetup()) {
setup.setNeedSetup(true);
}
try {
Answer answer = _agentMgr.send(agentId, setup);
if (answer != null && answer.getResult() && answer instanceof SetupAnswer) {
host.setSetup(true);
host.setLastPinged((System.currentTimeMillis() >> 10) - 5 * 60);
_hostDao.update(host.getId(), host);
if (((SetupAnswer)answer).needReconnect()) {
throw new ConnectionException(false, "Reinitialize agent after setup.");
}
return;
} else {
s_logger.warn("Unable to setup agent " + agentId + " due to " + ((answer != null) ? answer.getDetails() : "return null"));
}
} catch (AgentUnavailableException e) {
s_logger.warn("Unable to setup agent " + agentId + " because it became unavailable.", e);
} catch (OperationTimedoutException e) {
s_logger.warn("Unable to setup agent " + agentId + " because it timed out", e);
}
throw new ConnectionException(true, "Reinitialize agent after setup.");
}
@Override
public AgentControlAnswer processControlCommand(long agentId, AgentControlCommand cmd) {
return null;
}
@Override
public boolean processDisconnect(long agentId, Status state) {
return false;
}
@Override
public boolean processTimeout(long agentId, long seq) {
return false;
}
@Override
public HostVO createHostVOForConnectedAgent(HostVO host, StartupCommand[] cmd) {
// TODO Auto-generated method stub
return null;
}
@Override
public HostVO createHostVOForDirectConnectAgent(HostVO host, StartupCommand[] startup, ServerResource resource, Map<String, String> details, List<String> hostTags) {
StartupCommand firstCmd = startup[0];
if (!(firstCmd instanceof StartupRoutingCommand)) {
return null;
}
StartupRoutingCommand ssCmd = ((StartupRoutingCommand)firstCmd);
if (ssCmd.getHypervisorType() != HypervisorType.XenServer) {
return null;
}
HostPodVO pod = _podDao.findById(host.getPodId());
DataCenterVO dc = _dcDao.findById(host.getDataCenterId());
s_logger.info("Host: " + host.getName() + " connected with hypervisor type: " + HypervisorType.XenServer + ". Checking CIDR...");
_resourceMgr.checkCIDR(pod, dc, ssCmd.getPrivateIpAddress(), ssCmd.getPrivateNetmask());
return _resourceMgr.fillRoutingHostVO(host, ssCmd, HypervisorType.XenServer, details, hostTags);
}
@Override
public DeleteHostAnswer deleteHost(HostVO host, boolean isForced, boolean isForceDeleteStorage) throws UnableDeleteHostException {
if (host.getType() != com.cloud.host.Host.Type.Routing || host.getHypervisorType() != HypervisorType.XenServer) {
return null;
}
_resourceMgr.deleteRoutingHost(host, isForced, isForceDeleteStorage);
return new DeleteHostAnswer(true);
}
@Override
protected HashMap<String, Object> buildConfigParams(HostVO host) {
HashMap<String, Object> params = super.buildConfigParams(host);
DataCenterVO zone = _dcDao.findById(host.getDataCenterId());
if (zone != null) {
boolean securityGroupEnabled = zone.isSecurityGroupEnabled();
params.put("securitygroupenabled", Boolean.toString(securityGroupEnabled));
}
return params;
}
@Override
public boolean stop() {
_resourceMgr.unregisterResourceStateAdapter(this.getClass().getSimpleName());
return super.stop();
}
}