@Override
public Map<? extends ServerResource, Map<String, String>> find(long dcId, Long podId, Long clusterId, URI uri,
String username, String password, List<String> hostTags) throws DiscoveryException {
ClusterVO cluster = _clusterDao.findById(clusterId);
if (cluster == null || cluster.getHypervisorType() != getHypervisorType()) {
if (s_logger.isInfoEnabled())
s_logger.info("invalid cluster id or cluster is not for " + getHypervisorType() + " hypervisors");
return null;
}
Map<KvmDummyResourceBase, Map<String, String>> resources = new HashMap<KvmDummyResourceBase, Map<String, String>>();
Map<String, String> details = new HashMap<String, String>();
if (!uri.getScheme().equals("http")) {
String msg = "urlString is not http so we're not taking care of the discovery for this: " + uri;
s_logger.debug(msg);
return null;
}
com.trilead.ssh2.Connection sshConnection = null;
String agentIp = null;
try {
String hostname = uri.getHost();
InetAddress ia = InetAddress.getByName(hostname);
agentIp = ia.getHostAddress();
String guid = UUID.nameUUIDFromBytes(agentIp.getBytes()).toString();
String guidWithTail = guid + "-LibvirtComputingResource";/*
* tail
* added by
* agent
* .java
*/
if (_resourceMgr.findHostByGuid(guidWithTail) != null) {
s_logger.debug("Skipping " + agentIp + " because " + guidWithTail + " is already in the database.");
return null;
}
sshConnection = new com.trilead.ssh2.Connection(agentIp, 22);
sshConnection.connect(null, 60000, 60000);
if (!sshConnection.authenticateWithPassword(username, password)) {
s_logger.debug("Failed to authenticate");
throw new DiscoveredWithErrorException("Authentication error");
}
if (!SSHCmdHelper.sshExecuteCmd(sshConnection, "lsmod|grep kvm", 3)) {
s_logger.debug("It's not a KVM enabled machine");
return null;
}
List<PhysicalNetworkSetupInfo> netInfos = _networkMgr.getPhysicalNetworkInfo(dcId, getHypervisorType());
String kvmPrivateNic = null;
String kvmPublicNic = null;
String kvmGuestNic = null;
for (PhysicalNetworkSetupInfo info : netInfos) {
if (info.getPrivateNetworkName() != null) {
kvmPrivateNic = info.getPrivateNetworkName();
}
if (info.getPublicNetworkName() != null) {
kvmPublicNic = info.getPublicNetworkName();
}
if (info.getGuestNetworkName() != null) {
kvmGuestNic = info.getGuestNetworkName();
}
}
if (kvmPrivateNic == null && kvmPublicNic == null && kvmGuestNic == null) {
kvmPrivateNic = _kvmPrivateNic;
kvmPublicNic = _kvmPublicNic;
kvmGuestNic = _kvmGuestNic;
}
if (kvmPublicNic == null) {
kvmPublicNic = (kvmGuestNic != null) ? kvmGuestNic : kvmPrivateNic;
}
if (kvmPrivateNic == null) {
kvmPrivateNic = (kvmPublicNic != null) ? kvmPublicNic : kvmGuestNic;
}
if (kvmGuestNic == null) {
kvmGuestNic = (kvmPublicNic != null) ? kvmPublicNic : kvmPrivateNic;
}
String parameters = " -m " + _hostIp + " -z " + dcId + " -p " + podId + " -c " + clusterId + " -g " + guid
+ " -a";
parameters += " --pubNic=" + kvmPublicNic;
parameters += " --prvNic=" + kvmPrivateNic;
parameters += " --guestNic=" + kvmGuestNic;
SSHCmdHelper.sshExecuteCmd(sshConnection, "cloudstack-setup-agent " + parameters, 3);
KvmDummyResourceBase kvmResource = new KvmDummyResourceBase();
Map<String, Object> params = new HashMap<String, Object>();
params.put("zone", Long.toString(dcId));
params.put("pod", Long.toString(podId));
params.put("cluster", Long.toString(clusterId));
params.put("guid", guid);
params.put("agentIp", agentIp);
kvmResource.configure("kvm agent", params);
resources.put(kvmResource, details);
HostVO connectedHost = waitForHostConnect(dcId, podId, clusterId, guidWithTail);
if (connectedHost == null)
return null;
details.put("guid", guidWithTail);
// place a place holder guid derived from cluster ID
if (cluster.getGuid() == null) {
cluster.setGuid(UUID.nameUUIDFromBytes(String.valueOf(clusterId).getBytes()).toString());
_clusterDao.update(clusterId, cluster);
}
// save user name and password
_hostDao.loadDetails(connectedHost);