| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| package org.apache.cloudstack.storage.datastore.util; |
| |
| import com.linbit.linstor.api.ApiClient; |
| import com.linbit.linstor.api.ApiException; |
| import com.linbit.linstor.api.Configuration; |
| import com.linbit.linstor.api.DevelopersApi; |
| import com.linbit.linstor.api.model.ApiCallRc; |
| import com.linbit.linstor.api.model.ApiCallRcList; |
| import com.linbit.linstor.api.model.ProviderKind; |
| import com.linbit.linstor.api.model.ResourceGroup; |
| import com.linbit.linstor.api.model.StoragePool; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import com.cloud.utils.exception.CloudRuntimeException; |
| import org.apache.log4j.Logger; |
| |
| public class LinstorUtil { |
| private static final Logger s_logger = Logger.getLogger(LinstorUtil.class); |
| |
| public static final String RSC_PREFIX = "cs-"; |
| public static final String RSC_GROUP = "resourceGroup"; |
| |
| public static final String TEMP_VOLUME_ID = "tempVolumeId"; |
| |
| public static final String CLUSTER_DEFAULT_MIN_IOPS = "clusterDefaultMinIops"; |
| public static final String CLUSTER_DEFAULT_MAX_IOPS = "clusterDefaultMaxIops"; |
| |
| public static DevelopersApi getLinstorAPI(String linstorUrl) { |
| ApiClient client = Configuration.getDefaultApiClient(); |
| client.setBasePath(linstorUrl); |
| return new DevelopersApi(client); |
| } |
| |
| public static String getBestErrorMessage(ApiCallRcList answers) { |
| return answers != null && !answers.isEmpty() ? |
| answers.stream() |
| .filter(ApiCallRc::isError) |
| .findFirst() |
| .map(ApiCallRc::getMessage) |
| .orElse((answers.get(0)).getMessage()) : null; |
| } |
| |
| public static long getCapacityBytes(String linstorUrl, String rscGroupName) { |
| DevelopersApi linstorApi = getLinstorAPI(linstorUrl); |
| try { |
| List<ResourceGroup> rscGrps = linstorApi.resourceGroupList( |
| Collections.singletonList(rscGroupName), |
| null, |
| null, |
| null); |
| |
| if (rscGrps.isEmpty()) { |
| final String errMsg = String.format("Linstor: Resource group '%s' not found", rscGroupName); |
| s_logger.error(errMsg); |
| throw new CloudRuntimeException(errMsg); |
| } |
| |
| List<StoragePool> storagePools = linstorApi.viewStoragePools( |
| Collections.emptyList(), |
| rscGrps.get(0).getSelectFilter().getStoragePoolList(), |
| null, |
| null, |
| null |
| ); |
| |
| return storagePools.stream() |
| .filter(sp -> sp.getProviderKind() != ProviderKind.DISKLESS) |
| .mapToLong(sp -> sp.getTotalCapacity() != null ? sp.getTotalCapacity() : 0L) |
| .sum() * 1024; // linstor uses kiB |
| } catch (ApiException apiEx) { |
| s_logger.error(apiEx.getMessage()); |
| throw new CloudRuntimeException(apiEx); |
| } |
| } |
| } |