[CLOUDSTACK-2562] [VMWARE] As per the code, currently CloudStack fails to program PF/NAT/LB rules when VR is restarted by VMWARE HA

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Cannot Reproduce
• Affects Version/s: 4.2.0
• Fix Version/s: 4.3.0
• Component/s: Management Server
• Security Level: Public (Anyone can view this level - this is the default.)
• Environment: commit # b3e9b2a5dc0439cad60058d693cba9d3c714af70
• Assignee: Damodar Reddy T
• Reporter: Venkata Swamy
• Created: 17/May/13 15:09
• Updated: 20/Dec/13 11:27
• Resolved: 20/Dec/13 11:27

Description

When VR is restarted out-of-band by VMware HA then there is no way currently CloudStack can reprogram PF/NAT/LB rules.

Here is the code snippet from .//server/src/com/cloud/vm/VirtualMachineManagerImpl.java

if (trackExternalChange) {
if (serverState == State.Starting) {
if (vm.getHostId() != null && vm.getHostId() != hostId)

{ s_logger.info("CloudStack is starting VM on host " + vm.getHostId() + ", but status report comes from a different host " + hostId + ", skip status sync for vm: " + vm.getInstanceName()); return null; }

}

if (serverState == State.Running) {
try {
//
// we had a bug that sometimes VM may be at Running State
// but host_id is null, we will cover it here.
// means that when CloudStack DB lost of host information,
// we will heal it with the info reported from host
//
if (vm.getHostId() == null || hostId != vm.getHostId()) {
if (s_logger.isDebugEnabled())

{ s_logger.debug("detected host change when VM " + vm + " is at running state, VM could be live-migrated externally from host " + vm.getHostId() + " to host " + hostId); }

stateTransitTo(vm, VirtualMachine.Event.AgentReportMigrated, hostId);
}
} catch (NoTransitionException e)

{ s_logger.warn(e.getMessage()); }

}
}