if(currentCountOfHosts >= maxHosts){
throw new AgentAuthnException("Number of running Routing hosts in the Zone:"+ zone.getName() +" is already at the max limit:"+maxHosts+", cannot start one more host");
}
}
HostPodVO pod = null;
if(startup.getPrivateIpAddress() == null){
s_logger.warn("No private IP address passed in for the agent, cannot not find pod for agent");
throw new AgentAuthnException("No private IP address passed in for the agent, cannot not find pod for agent");
}
if(startup.getPrivateNetmask() == null){
s_logger.warn("No netmask passed in for the agent, cannot not find pod for agent");
throw new AgentAuthnException("No netmask passed in for the agent, cannot not find pod for agent");
}
if(host.getPodId() != null){
if(s_logger.isDebugEnabled()){
s_logger.debug("Pod is already created for this agent, looks like agent is reconnecting...");
}
pod = _podDao.findById(host.getPodId());
if(!checkCIDR(type, pod, startup.getPrivateIpAddress(),
startup.getPrivateNetmask())){
pod = null;
if(s_logger.isDebugEnabled()){
s_logger.debug("Subnet of Pod does not match the subnet of the agent, not using this Pod: "+host.getPodId());
}
}else{
updatePodNetmaskIfNeeded(pod, startup.getPrivateNetmask());
}
}
if(pod == null){
if(s_logger.isDebugEnabled()){
s_logger.debug("Trying to detect the Pod to use from the agent's ip address and netmask passed in ");
}
//deduce pod
boolean podFound = false;
List<HostPodVO> podsInZone = _podDao.listByDataCenterId(zoneId);
for (HostPodVO hostPod : podsInZone) {
if (checkCIDR(type, hostPod, startup.getPrivateIpAddress(),
startup.getPrivateNetmask())) {
pod = hostPod;
//found the default POD having the same subnet.
updatePodNetmaskIfNeeded(pod, startup.getPrivateNetmask());
podFound = true;
break;
}
}
if (!podFound) {
if(s_logger.isDebugEnabled()){
s_logger.debug("Creating a new Pod since no default Pod found that matches the agent's ip address and netmask passed in ");
}
if(startup.getGatewayIpAddress() == null){
s_logger.warn("No Gateway IP address passed in for the agent, cannot create a new pod for the agent");
throw new AgentAuthnException("No Gateway IP address passed in for the agent, cannot create a new pod for the agent");
}
//auto-create a new pod, since pod matching the agent's ip is not found
String podName = "POD-"+ (podsInZone.size()+1);
try{
String gateway = startup.getGatewayIpAddress();
String cidr = NetUtils.getCidrFromGatewayAndNetmask(gateway, startup.getPrivateNetmask());
String[] cidrPair = cidr.split("\\/");
String cidrAddress = cidrPair[0];
long cidrSize = Long.parseLong(cidrPair[1]);
String startIp = NetUtils.getIpRangeStartIpFromCidr(cidrAddress, cidrSize);
String endIp = NetUtils.getIpRangeEndIpFromCidr(cidrAddress, cidrSize);
pod = _configurationManager.createPod(-1, podName, zoneId, gateway, cidr, startIp, endIp, null, true);
}catch (Exception e) {
// no longer tolerate exception during the cluster creation phase
throw new CloudRuntimeException("Unable to create new Pod "
+ podName + " in Zone: "
+ zoneId, e);
}
}
}
final StartupRoutingCommand scc = (StartupRoutingCommand) startup;
ClusterVO cluster = null;
if(host.getClusterId() != null){
if(s_logger.isDebugEnabled()){
s_logger.debug("Cluster is already created for this agent, looks like agent is reconnecting...");
}
cluster = _clusterDao.findById(host.getClusterId());
}
if(cluster == null){
//auto-create cluster - assume one host per cluster
String clusterName = "Cluster-" + startup.getPrivateIpAddress();
ClusterVO existingCluster = _clusterDao.findBy(clusterName, pod.getId());
if (existingCluster != null) {
cluster = existingCluster;
} else {
if(s_logger.isDebugEnabled()){
s_logger.debug("Creating a new Cluster for this agent with name: "+clusterName + " in Pod: " +pod.getId() +", in Zone:"+zoneId);
}
cluster = new ClusterVO(zoneId, pod.getId(), clusterName);
cluster.setHypervisorType(scc.getHypervisorType().toString());
try {
cluster = _clusterDao.persist(cluster);
} catch (Exception e) {
// no longer tolerate exception during the cluster creation phase
throw new CloudRuntimeException("Unable to create cluster "
+ clusterName + " in pod " + pod.getId() + " and data center "
+ zoneId, e);
}
}
}
if(s_logger.isDebugEnabled()){
s_logger.debug("Detected Zone: "+zoneId+", Pod: " +pod.getId() +", Cluster:" +cluster.getId());
}
host.setDataCenterId(zone.getId());
host.setPodId(pod.getId());
host.setClusterId(cluster.getId());
host.setPrivateIpAddress(startup.getPrivateIpAddress());
host.setPrivateNetmask(startup.getPrivateNetmask());
host.setPrivateMacAddress(startup.getPrivateMacAddress());
host.setPublicIpAddress(startup.getPublicIpAddress());