Examples with StopAnswer com.cloud.agent.api.StopAnswer used on opensource projects

Example 6 with StopAnswer

use of com.cloud.agent.api.StopAnswer in project cloudstack by apache.

the class VirtualMachineManagerImplTest method testSendStopWithOkAnswer.

@Test
public void testSendStopWithOkAnswer() throws Exception {
    VirtualMachineGuru guru = mock(VirtualMachineGuru.class);
    VirtualMachine vm = mock(VirtualMachine.class);
    VirtualMachineProfile profile = mock(VirtualMachineProfile.class);
    StopAnswer answer = new StopAnswer(new StopCommand(vm, false, false), "ok", true);
    when(profile.getVirtualMachine()).thenReturn(vm);
    when(vm.getHostId()).thenReturn(1L);
    when(_agentMgr.send(anyLong(), (Command) any())).thenReturn(answer);
    boolean actual = _vmMgr.sendStop(guru, profile, false, false);
    Assert.assertTrue(actual);
}

Example 7 with StopAnswer

use of com.cloud.agent.api.StopAnswer in project cloudstack by apache.

the class OvmResourceBase method execute.

@Override
public StopAnswer execute(StopCommand cmd) {
    String vmName = cmd.getVmName();
    try {
        OvmVm.Details vm = null;
        try {
            vm = OvmVm.getDetails(_conn, vmName);
        } catch (XmlRpcException e) {
            s_logger.debug("Unable to get details of vm: " + vmName + ", treating it as stopped", e);
            return new StopAnswer(cmd, "success", true);
        }
        deleteAllNetworkRulesForVm(vmName);
        OvmVm.stop(_conn, vmName);
        cleanup(vm);
        return new StopAnswer(cmd, "success", true);
    } catch (Exception e) {
        s_logger.debug("Stop " + vmName + "failed", e);
        return new StopAnswer(cmd, e.getMessage(), false);
    }
}

Example 8 with StopAnswer

use of com.cloud.agent.api.StopAnswer in project cloudstack by apache.

the class VirtualMachineManagerImpl method orchestrateStart.

@Override
public void orchestrateStart(final String vmUuid, final Map<VirtualMachineProfile.Param, Object> params, final DeploymentPlan planToDeploy, final DeploymentPlanner planner) throws InsufficientCapacityException, ConcurrentOperationException, ResourceUnavailableException {
    final CallContext cctxt = CallContext.current();
    final Account account = cctxt.getCallingAccount();
    final User caller = cctxt.getCallingUser();
    VMInstanceVO vm = _vmDao.findByUuid(vmUuid);
    final VirtualMachineGuru vmGuru = getVmGuru(vm);
    final Ternary<VMInstanceVO, ReservationContext, ItWorkVO> start = changeToStartState(vmGuru, vm, caller, account);
    if (start == null) {
        return;
    }
    vm = start.first();
    final ReservationContext ctx = start.second();
    ItWorkVO work = start.third();
    VMInstanceVO startedVm = null;
    final ServiceOfferingVO offering = _offeringDao.findById(vm.getId(), vm.getServiceOfferingId());
    final VirtualMachineTemplate template = _entityMgr.findByIdIncludingRemoved(VirtualMachineTemplate.class, vm.getTemplateId());
    if (s_logger.isDebugEnabled()) {
        s_logger.debug("Trying to deploy VM, vm has dcId: " + vm.getDataCenterId() + " and podId: " + vm.getPodIdToDeployIn());
    }
    DataCenterDeployment plan = new DataCenterDeployment(vm.getDataCenterId(), vm.getPodIdToDeployIn(), null, null, null, null, ctx);
    if (planToDeploy != null && planToDeploy.getDataCenterId() != 0) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("advanceStart: DeploymentPlan is provided, using dcId:" + planToDeploy.getDataCenterId() + ", podId: " + planToDeploy.getPodId() + ", clusterId: " + planToDeploy.getClusterId() + ", hostId: " + planToDeploy.getHostId() + ", poolId: " + planToDeploy.getPoolId());
        }
        plan = new DataCenterDeployment(planToDeploy.getDataCenterId(), planToDeploy.getPodId(), planToDeploy.getClusterId(), planToDeploy.getHostId(), planToDeploy.getPoolId(), planToDeploy.getPhysicalNetworkId(), ctx);
    }
    final HypervisorGuru hvGuru = _hvGuruMgr.getGuru(vm.getHypervisorType());
    boolean canRetry = true;
    ExcludeList avoids = null;
    try {
        final Journal journal = start.second().getJournal();
        if (planToDeploy != null) {
            avoids = planToDeploy.getAvoids();
        }
        if (avoids == null) {
            avoids = new ExcludeList();
        }
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Deploy avoids pods: " + avoids.getPodsToAvoid() + ", clusters: " + avoids.getClustersToAvoid() + ", hosts: " + avoids.getHostsToAvoid());
        }
        boolean planChangedByVolume = false;
        boolean reuseVolume = true;
        final DataCenterDeployment originalPlan = plan;
        int retry = StartRetry.value();
        while (retry-- != 0) {
            if (reuseVolume) {
                // edit plan if this vm's ROOT volume is in READY state already
                final List<VolumeVO> vols = _volsDao.findReadyRootVolumesByInstance(vm.getId());
                for (final VolumeVO vol : vols) {
                    // make sure if the templateId is unchanged. If it is changed,
                    // let planner
                    // reassign pool for the volume even if it ready.
                    final Long volTemplateId = vol.getTemplateId();
                    if (volTemplateId != null && volTemplateId.longValue() != template.getId()) {
                        if (s_logger.isDebugEnabled()) {
                            s_logger.debug(vol + " of " + vm + " is READY, but template ids don't match, let the planner reassign a new pool");
                        }
                        continue;
                    }
                    final StoragePool pool = (StoragePool) dataStoreMgr.getPrimaryDataStore(vol.getPoolId());
                    if (!pool.isInMaintenance()) {
                        if (s_logger.isDebugEnabled()) {
                            s_logger.debug("Root volume is ready, need to place VM in volume's cluster");
                        }
                        final long rootVolDcId = pool.getDataCenterId();
                        final Long rootVolPodId = pool.getPodId();
                        final Long rootVolClusterId = pool.getClusterId();
                        if (planToDeploy != null && planToDeploy.getDataCenterId() != 0) {
                            final Long clusterIdSpecified = planToDeploy.getClusterId();
                            if (clusterIdSpecified != null && rootVolClusterId != null) {
                                if (rootVolClusterId.longValue() != clusterIdSpecified.longValue()) {
                                    // planner
                                    if (s_logger.isDebugEnabled()) {
                                        s_logger.debug("Cannot satisfy the deployment plan passed in since the ready Root volume is in different cluster. volume's cluster: " + rootVolClusterId + ", cluster specified: " + clusterIdSpecified);
                                    }
                                    throw new ResourceUnavailableException("Root volume is ready in different cluster, Deployment plan provided cannot be satisfied, unable to create a deployment for " + vm, Cluster.class, clusterIdSpecified);
                                }
                            }
                            plan = new DataCenterDeployment(planToDeploy.getDataCenterId(), planToDeploy.getPodId(), planToDeploy.getClusterId(), planToDeploy.getHostId(), vol.getPoolId(), null, ctx);
                        } else {
                            plan = new DataCenterDeployment(rootVolDcId, rootVolPodId, rootVolClusterId, null, vol.getPoolId(), null, ctx);
                            if (s_logger.isDebugEnabled()) {
                                s_logger.debug(vol + " is READY, changing deployment plan to use this pool's dcId: " + rootVolDcId + " , podId: " + rootVolPodId + " , and clusterId: " + rootVolClusterId);
                            }
                            planChangedByVolume = true;
                        }
                    }
                }
            }
            final Account owner = _entityMgr.findById(Account.class, vm.getAccountId());
            final VirtualMachineProfileImpl vmProfile = new VirtualMachineProfileImpl(vm, template, offering, owner, params);
            DeployDestination dest = null;
            try {
                dest = _dpMgr.planDeployment(vmProfile, plan, avoids, planner);
            } catch (final AffinityConflictException e2) {
                s_logger.warn("Unable to create deployment, affinity rules associted to the VM conflict", e2);
                throw new CloudRuntimeException("Unable to create deployment, affinity rules associted to the VM conflict");
            }
            if (dest == null) {
                if (planChangedByVolume) {
                    plan = originalPlan;
                    planChangedByVolume = false;
                    //do not enter volume reuse for next retry, since we want to look for resources outside the volume's cluster
                    reuseVolume = false;
                    continue;
                }
                throw new InsufficientServerCapacityException("Unable to create a deployment for " + vmProfile, DataCenter.class, plan.getDataCenterId(), areAffinityGroupsAssociated(vmProfile));
            }
            if (dest != null) {
                avoids.addHost(dest.getHost().getId());
                journal.record("Deployment found ", vmProfile, dest);
            }
            long destHostId = dest.getHost().getId();
            vm.setPodIdToDeployIn(dest.getPod().getId());
            final Long cluster_id = dest.getCluster().getId();
            final ClusterDetailsVO cluster_detail_cpu = _clusterDetailsDao.findDetail(cluster_id, "cpuOvercommitRatio");
            final ClusterDetailsVO cluster_detail_ram = _clusterDetailsDao.findDetail(cluster_id, "memoryOvercommitRatio");
            //storing the value of overcommit in the vm_details table for doing a capacity check in case the cluster overcommit ratio is changed.
            if (_uservmDetailsDao.findDetail(vm.getId(), "cpuOvercommitRatio") == null && (Float.parseFloat(cluster_detail_cpu.getValue()) > 1f || Float.parseFloat(cluster_detail_ram.getValue()) > 1f)) {
                _uservmDetailsDao.addDetail(vm.getId(), "cpuOvercommitRatio", cluster_detail_cpu.getValue(), true);
                _uservmDetailsDao.addDetail(vm.getId(), "memoryOvercommitRatio", cluster_detail_ram.getValue(), true);
            } else if (_uservmDetailsDao.findDetail(vm.getId(), "cpuOvercommitRatio") != null) {
                _uservmDetailsDao.addDetail(vm.getId(), "cpuOvercommitRatio", cluster_detail_cpu.getValue(), true);
                _uservmDetailsDao.addDetail(vm.getId(), "memoryOvercommitRatio", cluster_detail_ram.getValue(), true);
            }
            vmProfile.setCpuOvercommitRatio(Float.parseFloat(cluster_detail_cpu.getValue()));
            vmProfile.setMemoryOvercommitRatio(Float.parseFloat(cluster_detail_ram.getValue()));
            StartAnswer startAnswer = null;
            try {
                if (!changeState(vm, Event.OperationRetry, destHostId, work, Step.Prepare)) {
                    throw new ConcurrentOperationException("Unable to update the state of the Virtual Machine " + vm.getUuid() + " oldstate: " + vm.getState() + "Event :" + Event.OperationRetry);
                }
            } catch (final NoTransitionException e1) {
                throw new ConcurrentOperationException(e1.getMessage());
            }
            try {
                if (s_logger.isDebugEnabled()) {
                    s_logger.debug("VM is being created in podId: " + vm.getPodIdToDeployIn());
                }
                _networkMgr.prepare(vmProfile, new DeployDestination(dest.getDataCenter(), dest.getPod(), null, null), ctx);
                if (vm.getHypervisorType() != HypervisorType.BareMetal) {
                    volumeMgr.prepare(vmProfile, dest);
                }
                //since StorageMgr succeeded in volume creation, reuse Volume for further tries until current cluster has capacity
                if (!reuseVolume) {
                    reuseVolume = true;
                }
                Commands cmds = null;
                vmGuru.finalizeVirtualMachineProfile(vmProfile, dest, ctx);
                final VirtualMachineTO vmTO = hvGuru.implement(vmProfile);
                handlePath(vmTO.getDisks(), vm.getHypervisorType());
                cmds = new Commands(Command.OnError.Stop);
                cmds.addCommand(new StartCommand(vmTO, dest.getHost(), getExecuteInSequence(vm.getHypervisorType())));
                vmGuru.finalizeDeployment(cmds, vmProfile, dest, ctx);
                work = _workDao.findById(work.getId());
                if (work == null || work.getStep() != Step.Prepare) {
                    throw new ConcurrentOperationException("Work steps have been changed: " + work);
                }
                _workDao.updateStep(work, Step.Starting);
                _agentMgr.send(destHostId, cmds);
                _workDao.updateStep(work, Step.Started);
                startAnswer = cmds.getAnswer(StartAnswer.class);
                if (startAnswer != null && startAnswer.getResult()) {
                    handlePath(vmTO.getDisks(), startAnswer.getIqnToPath());
                    final String host_guid = startAnswer.getHost_guid();
                    if (host_guid != null) {
                        final HostVO finalHost = _resourceMgr.findHostByGuid(host_guid);
                        if (finalHost == null) {
                            throw new CloudRuntimeException("Host Guid " + host_guid + " doesn't exist in DB, something went wrong while processing start answer: " + startAnswer);
                        }
                        destHostId = finalHost.getId();
                    }
                    if (vmGuru.finalizeStart(vmProfile, destHostId, cmds, ctx)) {
                        syncDiskChainChange(startAnswer);
                        if (!changeState(vm, Event.OperationSucceeded, destHostId, work, Step.Done)) {
                            s_logger.error("Unable to transition to a new state. VM uuid: " + vm.getUuid() + "VM oldstate:" + vm.getState() + "Event:" + Event.OperationSucceeded);
                            throw new ConcurrentOperationException("Failed to deploy VM" + vm.getUuid());
                        }
                        // Update GPU device capacity
                        final GPUDeviceTO gpuDevice = startAnswer.getVirtualMachine().getGpuDevice();
                        if (gpuDevice != null) {
                            _resourceMgr.updateGPUDetails(destHostId, gpuDevice.getGroupDetails());
                        }
                        // information isn't set,
                        if (_uservmDetailsDao.findDetail(vm.getId(), "deployvm") != null) {
                            _uservmDetailsDao.removeDetail(vm.getId(), "deployvm");
                        }
                        startedVm = vm;
                        if (s_logger.isDebugEnabled()) {
                            s_logger.debug("Start completed for VM " + vm);
                        }
                        return;
                    } else {
                        if (s_logger.isDebugEnabled()) {
                            s_logger.info("The guru did not like the answers so stopping " + vm);
                        }
                        StopCommand stopCmd = new StopCommand(vm, getExecuteInSequence(vm.getHypervisorType()), false);
                        stopCmd.setControlIp(getControlNicIpForVM(vm));
                        final StopCommand cmd = stopCmd;
                        final Answer answer = _agentMgr.easySend(destHostId, cmd);
                        if (answer != null && answer instanceof StopAnswer) {
                            final StopAnswer stopAns = (StopAnswer) answer;
                            if (vm.getType() == VirtualMachine.Type.User) {
                                final String platform = stopAns.getPlatform();
                                if (platform != null) {
                                    final Map<String, String> vmmetadata = new HashMap<String, String>();
                                    vmmetadata.put(vm.getInstanceName(), platform);
                                    syncVMMetaData(vmmetadata);
                                }
                            }
                        }
                        if (answer == null || !answer.getResult()) {
                            s_logger.warn("Unable to stop " + vm + " due to " + (answer != null ? answer.getDetails() : "no answers"));
                            _haMgr.scheduleStop(vm, destHostId, WorkType.ForceStop);
                            throw new ExecutionException("Unable to stop this VM, " + vm.getUuid() + " so we are unable to retry the start operation");
                        }
                        throw new ExecutionException("Unable to start  VM:" + vm.getUuid() + " due to error in finalizeStart, not retrying");
                    }
                }
                s_logger.info("Unable to start VM on " + dest.getHost() + " due to " + (startAnswer == null ? " no start answer" : startAnswer.getDetails()));
                if (startAnswer != null && startAnswer.getContextParam("stopRetry") != null) {
                    break;
                }
            } catch (OperationTimedoutException e) {
                s_logger.debug("Unable to send the start command to host " + dest.getHost() + " failed to start VM: " + vm.getUuid());
                if (e.isActive()) {
                    _haMgr.scheduleStop(vm, destHostId, WorkType.CheckStop);
                }
                canRetry = false;
                throw new AgentUnavailableException("Unable to start " + vm.getHostName(), destHostId, e);
            } catch (final ResourceUnavailableException e) {
                s_logger.info("Unable to contact resource.", e);
                if (!avoids.add(e)) {
                    if (e.getScope() == Volume.class || e.getScope() == Nic.class) {
                        throw e;
                    } else {
                        s_logger.warn("unexpected ResourceUnavailableException : " + e.getScope().getName(), e);
                        throw e;
                    }
                }
            } catch (final InsufficientCapacityException e) {
                s_logger.info("Insufficient capacity ", e);
                if (!avoids.add(e)) {
                    if (e.getScope() == Volume.class || e.getScope() == Nic.class) {
                        throw e;
                    } else {
                        s_logger.warn("unexpected InsufficientCapacityException : " + e.getScope().getName(), e);
                    }
                }
            } catch (final ExecutionException e) {
                s_logger.error("Failed to start instance " + vm, e);
                throw new AgentUnavailableException("Unable to start instance due to " + e.getMessage(), destHostId, e);
            } catch (final NoTransitionException e) {
                s_logger.error("Failed to start instance " + vm, e);
                throw new AgentUnavailableException("Unable to start instance due to " + e.getMessage(), destHostId, e);
            } finally {
                if (startedVm == null && canRetry) {
                    final Step prevStep = work.getStep();
                    _workDao.updateStep(work, Step.Release);
                    // If previous step was started/ing && we got a valid answer
                    if ((prevStep == Step.Started || prevStep == Step.Starting) && startAnswer != null && startAnswer.getResult()) {
                        //TODO check the response of cleanup and record it in DB for retry
                        cleanup(vmGuru, vmProfile, work, Event.OperationFailed, false);
                    } else {
                        //if step is not starting/started, send cleanup command with force=true
                        cleanup(vmGuru, vmProfile, work, Event.OperationFailed, true);
                    }
                }
            }
        }
    } finally {
        if (startedVm == null) {
            if (canRetry) {
                try {
                    changeState(vm, Event.OperationFailed, null, work, Step.Done);
                } catch (final NoTransitionException e) {
                    throw new ConcurrentOperationException(e.getMessage());
                }
            }
        }
        if (planToDeploy != null) {
            planToDeploy.setAvoids(avoids);
        }
    }
    if (startedVm == null) {
        throw new CloudRuntimeException("Unable to start instance '" + vm.getHostName() + "' (" + vm.getUuid() + "), see management server log for details");
    }
}

Example 9 with StopAnswer

use of com.cloud.agent.api.StopAnswer in project cloudstack by apache.

the class LibvirtStopCommandWrapper method execute.

@Override
public Answer execute(final StopCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final String vmName = command.getVmName();
    final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
    if (command.checkBeforeCleanup()) {
        try {
            final Connect conn = libvirtUtilitiesHelper.getConnectionByVmName(vmName);
            final Domain vm = conn.domainLookupByName(command.getVmName());
            if (vm != null && vm.getInfo().state == DomainState.VIR_DOMAIN_RUNNING) {
                return new StopAnswer(command, "vm is still running on host", false);
            }
        } catch (final Exception e) {
            s_logger.debug("Failed to get vm status in case of checkboforecleanup is true", e);
        }
    }
    File pemFile = new File(LibvirtComputingResource.SSHPRVKEYPATH);
    try {
        if (vmName.startsWith("s-") || vmName.startsWith("v-")) {
            //move the command line file to backup.
            s_logger.debug("backing up the cmdline");
            try {
                Pair<Boolean, String> ret = SshHelper.sshExecute(command.getControlIp(), 3922, "root", pemFile, null, "mv -f " + CMDLINE_PATH + " " + CMDLINE_BACKUP_PATH);
                if (!ret.first()) {
                    s_logger.debug("Failed to backup cmdline file due to " + ret.second());
                }
            } catch (Exception e) {
                s_logger.debug("Failed to backup cmdline file due to " + e.getMessage());
            }
        }
        final Connect conn = libvirtUtilitiesHelper.getConnectionByVmName(vmName);
        final List<DiskDef> disks = libvirtComputingResource.getDisks(conn, vmName);
        final List<InterfaceDef> ifaces = libvirtComputingResource.getInterfaces(conn, vmName);
        libvirtComputingResource.destroyNetworkRulesForVM(conn, vmName);
        final String result = libvirtComputingResource.stopVM(conn, vmName);
        if (result == null) {
            for (final DiskDef disk : disks) {
                libvirtComputingResource.cleanupDisk(disk);
            }
            for (final InterfaceDef iface : ifaces) {
                // each interface at this point, so inform all vif drivers
                for (final VifDriver vifDriver : libvirtComputingResource.getAllVifDrivers()) {
                    vifDriver.unplug(iface);
                }
            }
        }
        return new StopAnswer(command, result, true);
    } catch (final LibvirtException e) {
        s_logger.debug("unable to stop VM:" + vmName + " due to" + e.getMessage());
        try {
            if (vmName.startsWith("s-") || vmName.startsWith("v-"))
                s_logger.debug("restoring cmdline file from backup");
            Pair<Boolean, String> ret = SshHelper.sshExecute(command.getControlIp(), 3922, "root", pemFile, null, "mv " + CMDLINE_BACKUP_PATH + " " + CMDLINE_PATH);
            if (!ret.first()) {
                s_logger.debug("unable to restore cmdline due to " + ret.second());
            }
        } catch (final Exception ex) {
            s_logger.debug("unable to restore cmdline due to:" + ex.getMessage());
        }
        return new StopAnswer(command, e.getMessage(), false);
    }
}

Example 10 with StopAnswer

use of com.cloud.agent.api.StopAnswer in project CloudStack-archive by CloudStack-extras.

the class FakeComputingResource method execute.

protected synchronized StopAnswer execute(StopCommand cmd) {
    VmMgr vmMgr = getVmManager();
    StopAnswer answer = null;
    String vmName = cmd.getVmName();
    Integer port = vmMgr.getVncPort(vmName);
    Long bytesReceived = null;
    Long bytesSent = null;
    State state = null;
    synchronized (_vms) {
        state = _vms.get(vmName);
        _vms.put(vmName, State.Stopping);
    }
    try {
        String result = vmMgr.stopVM(vmName, false);
        if (result != null) {
            s_logger.info("Trying destroy on " + vmName);
            if (result == Script.ERR_TIMEOUT) {
                result = vmMgr.stopVM(vmName, true);
            }
            s_logger.warn("Couldn't stop " + vmName);
            if (result != null) {
                return new StopAnswer(cmd, result);
            }
        }
        answer = new StopAnswer(cmd, null, port, bytesSent, bytesReceived);
        String result2 = vmMgr.cleanupVnet(cmd.getVnet());
        if (result2 != null) {
            result = result2 + (result != null ? ("\n" + result) : "");
            answer = new StopAnswer(cmd, result, port, bytesSent, bytesReceived);
        }
        _dhcpSnooper.cleanup(vmName, null);
        return answer;
    } finally {
        if (answer == null || !answer.getResult()) {
            synchronized (_vms) {
                _vms.put(vmName, state);
            }
        }
    }
}