Package org.apache.cloudstack.engine.subsystem.api.storage

Examples of org.apache.cloudstack.engine.subsystem.api.storage.EndPoint

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                    if (store.getUri() == null) {
                        continue;
                    }

                    GetStorageStatsCommand command = new GetStorageStatsCommand(store.getTO());
                    EndPoint ssAhost = _epSelector.select(store);
                    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());
                    }
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        return null;
    }

    @Override
    public String getChecksum(DataStore store, String templatePath) {
        EndPoint ep = _epSelector.select(store);
        ComputeChecksumCommand cmd = new ComputeChecksumCommand(store.getTO(), templatePath);
        Answer answer = null;
        if (ep == null) {
            String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
            s_logger.error(errMsg);
            answer = new Answer(cmd, false, errMsg);
        } else {
            answer = ep.sendMessage(cmd);
        }
        if (answer != null && answer.getResult()) {
            return answer.getDetails();
        }
        return null;
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        DataObject srcObj = mock(DataObject.class);
        DataObject destObj = mock(DataObject.class);
        when(srcObj.getDataStore()).thenReturn(srcStore);
        when(destObj.getDataStore()).thenReturn(destStore);
        EndPoint ep = endPointSelector.select(srcObj, destObj);

        Assert.assertTrue(ep != null);
        Long hostId = ep.getId();
        HostVO newHost = hostDao.findById(hostId);
        Assert.assertTrue(newHost.getHypervisorType() == Hypervisor.HypervisorType.VMware);

        when(srcStore.getRole()).thenReturn(DataStoreRole.Image);
        when(srcStore.getId()).thenReturn(destStoreId);
        when(destStore.getId()).thenReturn(srcStoreId);
        when(destStore.getRole()).thenReturn(DataStoreRole.Primary);
        ep = endPointSelector.select(srcObj, destObj);

        Assert.assertTrue(ep != null);
        hostId = ep.getId();
        newHost = hostDao.findById(hostId);
        Assert.assertTrue(newHost.getHypervisorType() == Hypervisor.HypervisorType.VMware);

        ClusterScope clusterScope = new ClusterScope(clusterId, podId, dcId);
        when(srcStore.getRole()).thenReturn(DataStoreRole.Primary);
        when(srcStore.getScope()).thenReturn(clusterScope);
        when(srcStore.getId()).thenReturn(xenStoreId);
        ep = endPointSelector.select(srcStore);
        Assert.assertTrue(ep != null);
        newHost = hostDao.findById(ep.getId());
        Assert.assertTrue(newHost.getHypervisorType() == Hypervisor.HypervisorType.XenServer);



    }
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                Scope destScope = pickCacheScopeForCopy(srcData, destData);
                srcForCopy = cacheData = cacheMgr.createCacheObject(srcData, destScope);
            }

            CopyCommand cmd = new CopyCommand(srcForCopy.getTO(), destData.getTO(), _primaryStorageDownloadWait, VirtualMachineManager.ExecuteInSequence.value());
            EndPoint ep = destHost != null ? RemoteHostEndPoint.getHypervisorHostEndPoint(destHost) : selector.select(srcForCopy, destData);
            if (ep == null) {
                String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
                s_logger.error(errMsg);
                answer = new Answer(cmd, false, errMsg);
            } else {
                answer = ep.sendMessage(cmd);
            }

            if (cacheData != null) {
                if (srcData.getType() == DataObjectType.VOLUME && destData.getType() == DataObjectType.VOLUME) {
                    // volume transfer from primary to secondary or vice versa. Volume transfer between primary pools are already handled by copyVolumeBetweenPools
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            }

            String value = configDao.getValue(Config.CreateVolumeFromSnapshotWait.toString());
            int _createVolumeFromSnapshotWait = NumbersUtil.parseInt(value, Integer.parseInt(Config.CreateVolumeFromSnapshotWait.getDefaultValue()));

            EndPoint ep = null;
            if (srcData.getDataStore().getRole() == DataStoreRole.Primary) {
                ep = selector.select(volObj);
            } else {
                ep = selector.select(srcData, volObj);
            }

            CopyCommand cmd = new CopyCommand(srcData.getTO(), volObj.getTO(), _createVolumeFromSnapshotWait, VirtualMachineManager.ExecuteInSequence.value());
            Answer answer = null;
            if (ep == null) {
                String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
                s_logger.error(errMsg);
                answer = new Answer(cmd, false, errMsg);
            } else {
                answer = ep.sendMessage(cmd);
            }

            return answer;
        } catch (Exception e) {
            s_logger.error(basicErrMsg, e);
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    }

    protected Answer cloneVolume(DataObject template, DataObject volume) {
        CopyCommand cmd = new CopyCommand(template.getTO(), volume.getTO(), 0, VirtualMachineManager.ExecuteInSequence.value());
        try {
            EndPoint ep = selector.select(volume.getDataStore());
            Answer answer = null;
            if (ep == null) {
                String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
                s_logger.error(errMsg);
                answer = new Answer(cmd, false, errMsg);
            } else {
                answer = ep.sendMessage(cmd);
            }
            return answer;
        } catch (Exception e) {
            s_logger.debug("Failed to send to storage pool", e);
            throw new CloudRuntimeException("Failed to send to storage pool", e);
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            objOnImageStore.processEvent(Event.OperationSuccessed, answer);

            objOnImageStore.processEvent(Event.CopyingRequested);

            CopyCommand cmd = new CopyCommand(objOnImageStore.getTO(), destData.getTO(), _copyvolumewait, VirtualMachineManager.ExecuteInSequence.value());
            EndPoint ep = selector.select(objOnImageStore, destData);
            if (ep == null) {
                String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
                s_logger.error(errMsg);
                answer = new Answer(cmd, false, errMsg);
            } else {
                answer = ep.sendMessage(cmd);
            }

            if (answer == null || !answer.getResult()) {
                if (answer != null) {
                    s_logger.debug("copy to primary store failed: " + answer.getDetails());
                }
                objOnImageStore.processEvent(Event.OperationFailed);
                imageStore.delete(objOnImageStore);
                return answer;
            }

            objOnImageStore.processEvent(Event.OperationSuccessed);
            imageStore.delete(objOnImageStore);
            return answer;
        } else {
            DataObject cacheData = cacheMgr.createCacheObject(srcData, destScope);
            CopyCommand cmd = new CopyCommand(cacheData.getTO(), destData.getTO(), _copyvolumewait, VirtualMachineManager.ExecuteInSequence.value());
            EndPoint ep = selector.select(cacheData, destData);
            Answer answer = null;
            if (ep == null) {
                String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
                s_logger.error(errMsg);
                answer = new Answer(cmd, false, errMsg);
            } else {
                answer = ep.sendMessage(cmd);
            }
            // delete volume on cache store
            if (cacheData != null) {
                cacheMgr.deleteCacheObject(cacheData);
            }
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    protected Answer migrateVolumeToPool(DataObject srcData, DataObject destData) {
        VolumeInfo volume = (VolumeInfo)srcData;
        StoragePool destPool = (StoragePool)dataStoreMgr.getDataStore(destData.getDataStore().getId(), DataStoreRole.Primary);
        MigrateVolumeCommand command = new MigrateVolumeCommand(volume.getId(), volume.getPath(), destPool, volume.getAttachedVmName());
        EndPoint ep = selector.select(srcData, StorageAction.MIGRATEVOLUME);
        Answer answer = null;
        if (ep == null) {
            String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
            s_logger.error(errMsg);
            answer = new Answer(command, false, errMsg);
        } else {
            answer = ep.sendMessage(command);
        }

        if (answer == null || !answer.getResult()) {
            throw new CloudRuntimeException("Failed to migrate volume " + volume + " to storage pool " + destPool);
        } else {
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            needCache = true;
            SnapshotInfo snapshot = (SnapshotInfo) srcData;
            srcData = cacheSnapshotChain(snapshot, snapshot.getDataStore().getScope());
        }

        EndPoint ep = null;
        if (srcData.getDataStore().getRole() == DataStoreRole.Primary) {
            ep = selector.select(destData);
        } else {
            ep = selector.select(srcData, destData);
        }

        CopyCommand cmd = new CopyCommand(srcData.getTO(), destData.getTO(), _createprivatetemplatefromsnapshotwait, VirtualMachineManager.ExecuteInSequence.value());
        Answer answer = null;
        if (ep == null) {
            String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
            s_logger.error(errMsg);
            answer = new Answer(cmd, false, errMsg);
        } else {
            answer = ep.sendMessage(cmd);
        }

        // clean up snapshot copied to staging
        if (needCache && srcData != null) {
            cacheMgr.releaseCacheObject(srcData);  // reduce ref count, but keep it there on cache which is converted from previous secondary storage
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        if (getJobId() != null) {
            if (s_logger.isTraceEnabled()) {
                log("Sending progress command ", Level.TRACE);
            }
            try {
                EndPoint ep = _epSelector.select(sserver);
                if (ep == null) {
                    String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
                    s_logger.error(errMsg);
                    return;
                }
                ep.sendMessageAsync(new UploadProgressCommand(getCommand(), getJobId(), reqType), new Callback(ep.getId(), this));
            } catch (Exception e) {
                s_logger.debug("Send command failed", e);
                setDisconnected();
            }
        }
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