@DB
private void updateClusterNativeHAState(Host host, StartupCommand cmd) {
ClusterVO cluster = _clusterDao.findById(host.getClusterId());
if (cluster.getClusterType() == ClusterType.ExternalManaged) {
if (cmd instanceof StartupRoutingCommand) {
StartupRoutingCommand hostStartupCmd = (StartupRoutingCommand) cmd;
Map<String, String> details = hostStartupCmd.getHostDetails();
if (details.get("NativeHA") != null && details.get("NativeHA").equalsIgnoreCase("true")) {
_clusterDetailsDao.persist(host.getClusterId(), "NativeHA", "true");
} else {
_clusterDetailsDao.persist(host.getClusterId(), "NativeHA", "false");
}
}
}
}
@Override
public Boolean fenceOff(VirtualMachine vm, Host host) {
if (host.getHypervisorType() != HypervisorType.KVM
&& host.getHypervisorType() != HypervisorType.LXC) {
s_logger.warn("Don't know how to fence non kvm hosts " + host.getHypervisorType());
return null;
}
List<HostVO> hosts = _resourceMgr.listAllHostsInCluster(host.getClusterId());
FenceCommand fence = new FenceCommand(vm, host);
int i = 0;
for (HostVO h : hosts) {
if (h.getHypervisorType() == HypervisorType.KVM
|| h.getHypervisorType() == HypervisorType.LXC) {
if (h.getStatus() != Status.Up) {
continue;
}
i++;
if (h.getId() == host.getId()) {
continue;
}
FenceAnswer answer;
try {
answer = (FenceAnswer) _agentMgr.send(h.getId(), fence);
} catch (AgentUnavailableException e) {
s_logger.info("Moving on to the next host because " + h.toString() + " is unavailable");
continue;
} catch (OperationTimedoutException e) {
s_logger.info("Moving on to the next host because " + h.toString() + " is unavailable");
continue;
}
if (answer != null && answer.getResult()) {
return true;
}
}
}
_alertMgr.sendAlert(
AlertManager.AlertType.ALERT_TYPE_HOST,
host.getDataCenterId(),
host.getPodId(),
"Unable to fence off host: " + host.getId(),
"Fencing off host "
+ host.getId()
+ " did not succeed after asking "
+ i
+ " hosts. "
+ "Check Agent logs for more information.");
s_logger.error("Unable to fence off " + vm.toString() + " on " + host.toString());
return false;
}
public boolean shouldAvoid(Host host) {
if (_dcIds != null && _dcIds.contains(host.getDataCenterId())) {
return true;
}
if (_podIds != null && _podIds.contains(host.getPodId())) {
return true;
}
if (_clusterIds != null && _clusterIds.contains(host.getClusterId())) {
return true;
}
if (_hostIds != null && _hostIds.contains(host.getId())) {
return true;
}
return false;
}