Examples of org.apache.cloudstack.context.CallContext

org.apache.cloudstack.context.CallContext
CallContext records information about the environment the call is made. This class must be always be available in all CloudStack code. Every thread entry point must set the context and remove it when the thread finishes.

    }


    public Outcome<VirtualMachine> addVmToNetworkThroughJobQueue(
            final VirtualMachine vm, final Network network, final NicProfile requested) {


        final CallContext context = CallContext.current();
        final User user = context.getCallingUser();
        final Account account = context.getCallingAccount();


        Object[] result = Transaction.execute(new TransactionCallback<Object[]>() {
            @Override
            public Object[] doInTransaction(TransactionStatus status) {


                _vmDao.lockRow(vm.getId(), true);


                List<VmWorkJobVO> pendingWorkJobs = _workJobDao.listPendingWorkJobs(
                        VirtualMachine.Type.Instance, vm.getId(),
                        VmWorkAddVmToNetwork.class.getName());


                VmWorkJobVO workJob = null;
                if (pendingWorkJobs != null && pendingWorkJobs.size() > 0) {
                    assert (pendingWorkJobs.size() == 1);
                    workJob = pendingWorkJobs.get(0);
                } else {


                    workJob = new VmWorkJobVO(context.getContextId());


                    workJob.setDispatcher(VmWorkConstants.VM_WORK_JOB_DISPATCHER);
                    workJob.setCmd(VmWorkAddVmToNetwork.class.getName());


                    workJob.setAccountId(account.getId());

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    }


    public Outcome<VirtualMachine> removeNicFromVmThroughJobQueue(
            final VirtualMachine vm, final Nic nic) {


        final CallContext context = CallContext.current();
        final User user = context.getCallingUser();
        final Account account = context.getCallingAccount();


        Object[] result = Transaction.execute(new TransactionCallback<Object[]>() {
            @Override
            public Object[] doInTransaction(TransactionStatus status) {


                _vmDao.lockRow(vm.getId(), true);


                List<VmWorkJobVO> pendingWorkJobs = _workJobDao.listPendingWorkJobs(
                        VirtualMachine.Type.Instance, vm.getId(),
                        VmWorkRemoveNicFromVm.class.getName());


                VmWorkJobVO workJob = null;
                if (pendingWorkJobs != null && pendingWorkJobs.size() > 0) {
                    assert (pendingWorkJobs.size() == 1);
                    workJob = pendingWorkJobs.get(0);
                } else {


                    workJob = new VmWorkJobVO(context.getContextId());


                    workJob.setDispatcher(VmWorkConstants.VM_WORK_JOB_DISPATCHER);
                    workJob.setCmd(VmWorkRemoveNicFromVm.class.getName());


                    workJob.setAccountId(account.getId());

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    }


    public Outcome<VirtualMachine> removeVmFromNetworkThroughJobQueue(
            final VirtualMachine vm, final Network network, final URI broadcastUri) {


        final CallContext context = CallContext.current();
        final User user = context.getCallingUser();
        final Account account = context.getCallingAccount();


        Object[] result = Transaction.execute(new TransactionCallback<Object[]>() {
            @Override
            public Object[] doInTransaction(TransactionStatus status) {


                _vmDao.lockRow(vm.getId(), true);


                List<VmWorkJobVO> pendingWorkJobs = _workJobDao.listPendingWorkJobs(
                        VirtualMachine.Type.Instance, vm.getId(),
                        VmWorkRemoveVmFromNetwork.class.getName());


                VmWorkJobVO workJob = null;
                if (pendingWorkJobs != null && pendingWorkJobs.size() > 0) {
                    assert (pendingWorkJobs.size() == 1);
                    workJob = pendingWorkJobs.get(0);
                } else {


                    workJob = new VmWorkJobVO(context.getContextId());


                    workJob.setDispatcher(VmWorkConstants.VM_WORK_JOB_DISPATCHER);
                    workJob.setCmd(VmWorkRemoveVmFromNetwork.class.getName());


                    workJob.setAccountId(account.getId());

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    }


    public Outcome<VirtualMachine> reconfigureVmThroughJobQueue(
            final String vmUuid, final ServiceOffering newServiceOffering, final boolean reconfiguringOnExistingHost) {


        final CallContext context = CallContext.current();
        final User user = context.getCallingUser();
        final Account account = context.getCallingAccount();


        final VMInstanceVO vm = _vmDao.findByUuid(vmUuid);


        Object[] result = Transaction.execute(new TransactionCallback<Object[]>() {
            @Override
            public Object[] doInTransaction(TransactionStatus status) {


                _vmDao.lockRow(vm.getId(), true);


                List<VmWorkJobVO> pendingWorkJobs = _workJobDao.listPendingWorkJobs(
                        VirtualMachine.Type.Instance, vm.getId(),
                        VmWorkReconfigure.class.getName());


                VmWorkJobVO workJob = null;
                if (pendingWorkJobs != null && pendingWorkJobs.size() > 0) {
                    assert (pendingWorkJobs.size() == 1);
                    workJob = pendingWorkJobs.get(0);
                } else {


                    workJob = new VmWorkJobVO(context.getContextId());


                    workJob.setDispatcher(VmWorkConstants.VM_WORK_JOB_DISPATCHER);
                    workJob.setCmd(VmWorkReconfigure.class.getName());


                    workJob.setAccountId(account.getId());

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    @Override
    @ActionEvent(eventType = EventTypes.EVENT_VM_DESTROY, eventDescription = "destroying Vm", async = true)
    public UserVm destroyVm(DestroyVMCmd cmd)
            throws ResourceUnavailableException, ConcurrentOperationException {
        CallContext ctx = CallContext.current();
        long vmId = cmd.getId();
        boolean expunge = cmd.getExpunge();


        if (!_accountMgr.isAdmin(ctx.getCallingAccount().getType()) && expunge) {
            throw new PermissionDeniedException("Parameter " + ApiConstants.EXPUNGE + " can be passed by Admin only");
        }


        UserVm destroyedVm = destroyVm(vmId);
        if (expunge) {
            UserVmVO vm = _vmDao.findById(vmId);
            if (!expunge(vm, ctx.getCallingUserId(), ctx.getCallingAccount())) {
                throw new CloudRuntimeException("Failed to expunge vm " + destroyedVm);
            }
        }


        return destroyedVm;

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    public void finalizeStop(VirtualMachineProfile profile, Answer answer) {
        VirtualMachine vm = profile.getVirtualMachine();
        // release elastic IP here
        IPAddressVO ip = _ipAddressDao.findByAssociatedVmId(profile.getId());
        if (ip != null && ip.getSystem()) {
            CallContext ctx = CallContext.current();
            try {
                long networkId = ip.getAssociatedWithNetworkId();
                Network guestNetwork = _networkDao.findById(networkId);
                NetworkOffering offering = _entityMgr.findById(NetworkOffering.class, guestNetwork.getNetworkOfferingId());
                assert (offering.getAssociatePublicIP() == true) : "User VM should not have system owned public IP associated with it when offering configured not to associate public IP.";
                _rulesMgr.disableStaticNat(ip.getId(), ctx.getCallingAccount(), ctx.getCallingUserId(), true);
            } catch (Exception ex) {
                s_logger.warn(
                        "Failed to disable static nat and release system ip "
                                + ip + " as a part of vm "
                                + profile.getVirtualMachine()

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    @Override
    public void finalizeStop(VirtualMachineProfile profile, Answer answer) {
        //release elastic IP here
        IPAddressVO ip = _ipAddressDao.findByAssociatedVmId(profile.getId());
        if (ip != null && ip.getSystem()) {
            CallContext ctx = CallContext.current();
            try {
                _rulesMgr.disableStaticNat(ip.getId(), ctx.getCallingAccount(), ctx.getCallingUserId(), true);
            } catch (Exception ex) {
                s_logger.warn("Failed to disable static nat and release system ip " + ip + " as a part of vm " + profile.getVirtualMachine() + " stop due to exception ",
                    ex);
            }
        }

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    @Override
    public boolean isDisplay(){


        // Get entity Class from the event name. Eg. - Volume.class
        final CallContext ctx = CallContext.current();
        Class entityClass = EventTypes.getEntityClassForEvent(getEventType());
        boolean isDisplay = true;


        try{
            // If the entity Class implements Displayable interface then see the flag from VO
            if (entityClass != null && Displayable.class.isAssignableFrom(entityClass)){
                Object objVO =_entityMgr.findById(entityClass, (Long)ctx.getContextParameter(entityClass.getName()));
                isDisplay = ((Displayable)objVO).isDisplay();
                ctx.setEventDisplayEnabled(isDisplay);
            }
        }catch (Exception e){
           s_logger.trace("Caught exception while finding the display property, defaulting to true and moving on " +e);
        }

View Full Code Here

    /**
     * display flag is used to control the display of the resource only to the end user. It doesnt affect Root Admin.
     * @return display flag
     */
    public boolean isDisplay(){
        CallContext context = CallContext.current();
        Map<Object, Object> contextMap = context.getContextParameters();
        boolean isDisplay = true;


        // Iterate over all the first class entities in context and check their display property.
        for(Map.Entry<Object, Object> entry : contextMap.entrySet()){
            try{
                Object key = entry.getKey();
                Class clz = Class.forName((String)key);
                if(Displayable.class.isAssignableFrom(clz)){
                    final Object objVO = getEntityVO(clz, entry.getValue());
                    isDisplay = ((Displayable) objVO).isDisplay();
                }


                // If the flag is false break immediately
                if(!isDisplay)
                    break;
            } catch (Exception e){
                s_logger.trace("Caught exception while checking first class entities for display property, continuing on", e);
            }
        }


        context.setEventDisplayEnabled(isDisplay);
        return isDisplay;


    }

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    @Override
    public void orchestrateStart(String vmUuid, Map<VirtualMachineProfile.Param, Object> params, DeploymentPlan planToDeploy, DeploymentPlanner planner)
            throws InsufficientCapacityException, ConcurrentOperationException, ResourceUnavailableException {


        CallContext cctxt = CallContext.current();
        Account account = cctxt.getCallingAccount();
        User caller = cctxt.getCallingUser();


        VMInstanceVO vm = _vmDao.findByUuid(vmUuid);


        VirtualMachineGuru vmGuru = getVmGuru(vm);

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