Examples of com.cloud.agent.api.Answer

com.cloud.agent.api.Answer

                    if (ssAhost == null) {
                        s_logger.debug("There is no secondary storage VM for secondary storage host " + store.getName());
                        continue;
                    }
                    long storeId = store.getId();
                    Answer answer = ssAhost.sendMessage(command);
                    if (answer != null && answer.getResult()) {
                        storageStats.put(storeId, (StorageStats)answer);
                        s_logger.trace("HostId: "+storeId+ " Used: " + ((StorageStats)answer).getByteUsed() + " Total Available: " + ((StorageStats)answer).getCapacityBytes());
                    }
                }
                _storageStats = storageStats;
        ConcurrentHashMap<Long, StorageStats> storagePoolStats = new ConcurrentHashMap<Long, StorageStats>();


        List<StoragePoolVO> storagePools = _storagePoolDao.listAll();
        for (StoragePoolVO pool: storagePools) {
          // check if the pool has enabled hosts
          List<Long> hostIds = _storageManager.getUpHostsInPool(pool.getId());
          if (hostIds == null || hostIds.isEmpty()) continue;
          GetStorageStatsCommand command = new GetStorageStatsCommand(pool.getUuid(), pool.getPoolType(), pool.getPath());
          long poolId = pool.getId();
          try {
              Answer answer = _storageManager.sendToPool(pool, command);
              if (answer != null && answer.getResult()) {
                storagePoolStats.put(pool.getId(), (StorageStats)answer);


                // Seems like we have dynamically updated the pool size since the prev. size and the current do not match
                if (_storagePoolStats.get(poolId)!= null &&
                    _storagePoolStats.get(poolId).getCapacityBytes() != ((StorageStats)answer).getCapacityBytes()){

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        }
    }


    private Answer execute(StartConsoleProxyAgentHttpHandlerCommand cmd) {
        launchConsoleProxy(cmd.getKeystoreBits(), cmd.getKeystorePassword(), cmd.getEncryptorPassword());
        return new Answer(cmd);
    }

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      try{
          // Create Symlink at ssvm
        String path = vmTemplateHost.getInstallPath();
        String uuid = UUID.randomUUID().toString() + "." + template.getFormat().getFileExtension(); // adding "." + vhd/ova... etc.
        CreateEntityDownloadURLCommand cmd = new CreateEntityDownloadURLCommand(((ImageStoreEntity)store).getMountPoint(), path, uuid, null);
        Answer ans = ep.sendMessage(cmd);
          if (ans == null || !ans.getResult()) {
              errorString = "Unable to create a link for " +type+ " id:"+template.getId() + "," + ans.getDetails();
                s_logger.error(errorString);
                throw new CloudRuntimeException(errorString);
            }


          //Construct actual URL locally now that the symlink exists at SSVM

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              errorString = "There is no secondary storage VM for secondary storage host " + secStore.getName();
              throw new CloudRuntimeException(errorString);
            }


            CreateEntityDownloadURLCommand cmd = new CreateEntityDownloadURLCommand(((ImageStoreEntity)secStore).getMountPoint(), path, uuid, null);
            Answer ans = ep.sendMessage(cmd);
            if (ans == null || !ans.getResult()) {
                errorString = "Unable to create a link for " +type+ " id:"+entityId + "," + ans.getDetails();
                s_logger.warn(errorString);
                throw new CloudRuntimeException(errorString);
            }


            List<SecondaryStorageVmVO> ssVms = _secStorageVmDao.getSecStorageVmListInStates(SecondaryStorageVm.Role.templateProcessor, dataCenterId, State.Running);

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                  continue; //TODO: why continue? why not break?
                }
                if (s_logger.isDebugEnabled()) {
                  s_logger.debug("UploadMonitor cleanup: Sending deletion of extract URL "+ extractJob.getUploadUrl() + " to ssvm " + ep.getHostAddr());
                }
                Answer ans = ep.sendMessage(cmd);
                if ( ans != null && ans.getResult()){
                    _uploadDao.remove(extractJob.getId());
                }
                else{
                    s_logger.warn("UploadMonitor cleanup: Unable to delete the link for " + extractJob.getType()+ " id=" + extractJob.getTypeId()+ " url="+ extractJob.getUploadUrl() + " on ssvm " + ep.getHostAddr());
                }

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    @Override
    public String getChecksum(DataStore store, String templatePath) {
        EndPoint ep = _epSelector.select(store);
        ComputeChecksumCommand cmd = new ComputeChecksumCommand(store.getTO(), templatePath);
        Answer answer = ep.sendMessage(cmd);
        if (answer != null && answer.getResult()) {
            return answer.getDetails();
        }
        return null;
    }

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                s_logger.debug("Evicting " + templatePoolVO);
            }
            DestroyCommand cmd = new DestroyCommand(pool, templatePoolVO);


            try {
                Answer answer = _storageMgr.sendToPool(pool, cmd);


                if (answer != null && answer.getResult()) {
                    // Remove the templatePoolVO
                    if (_tmpltPoolDao.remove(templatePoolVO.getId())) {
                        s_logger.debug("Successfully evicted template: " + template.getName() + " from storage pool: " + pool.getName());
                    }
                } else {

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        if (attach) {
            cmd = new AttachCommand(disk, vmName);
        } else {
            cmd = new DettachCommand(disk, vmName);
        }
        Answer a = _agentMgr.easySend(vm.getHostId(), cmd);
        return (a != null && a.getResult());
    }

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    @Override
    public boolean hostConnect(long hostId, long poolId) {
        StoragePool pool = (StoragePool) this.dataStoreMgr.getDataStore(poolId, DataStoreRole.Primary);
        ModifyStoragePoolCommand cmd = new ModifyStoragePoolCommand(true, pool);
        final Answer answer = agentMgr.easySend(hostId, cmd);


        if (answer == null) {
            throw new CloudRuntimeException("Unable to get an answer to the modify storage pool command" + pool.getId());
        }


        if (!answer.getResult()) {
            String msg = "Unable to attach storage pool" + poolId + " to the host" + hostId;
            alertMgr.sendAlert(AlertManager.ALERT_TYPE_HOST, pool.getDataCenterId(), pool.getPodId(), msg, msg);
            throw new CloudRuntimeException("Unable establish connection from storage head to storage pool "
                    + pool.getId() + " due to " + answer.getDetails() + pool.getId());
        }


        assert (answer instanceof ModifyStoragePoolAnswer) : "Well, now why won't you actually return the ModifyStoragePoolAnswer when it's ModifyStoragePoolCommand? Pool="
                + pool.getId() + "Host=" + hostId;
        ModifyStoragePoolAnswer mspAnswer = (ModifyStoragePoolAnswer) answer;

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    protected <T extends VMInstanceVO> boolean sendStop(VirtualMachineGuru<T> guru, VirtualMachineProfile<T> profile, boolean force) {
        VMInstanceVO vm = profile.getVirtualMachine();
        StopCommand stop = new StopCommand(vm, _mgmtServer.getExecuteInSequence());
        try {
            Answer answer = _agentMgr.send(vm.getHostId(), stop);
            if (!answer.getResult()) {
                s_logger.debug("Unable to stop VM due to " + answer.getDetails());
                return false;
            }


            guru.finalizeStop(profile, (StopAnswer) answer);
        } catch (AgentUnavailableException e) {

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com.cloud.agent.manager.AgentManagerImpl$AgentHandler

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com.cloud.agent.manager.MockNetworkManagerImpl

com.cloud.agent.manager.MockStorageManagerImpl

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com.cloud.agent.resource.consoleproxy.ConsoleProxyResource

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