[PowerFlex] Add & Remove PowerFlex/ScaleIO MDMs for the storage SDC connections

core/src/main/java/com/cloud/agent/api/ModifyStoragePoolAnswer.java

@@ -46,6 +46,10 @@
         templateInfo = tInfo;
     }
 
+    public ModifyStoragePoolAnswer(ModifyStoragePoolCommand cmd, boolean success, String details) {
+        super(cmd, success, details);
+    }
+
     public void setPoolInfo(StoragePoolInfo poolInfo) {
         this.poolInfo = poolInfo;
     }

core/src/main/java/com/cloud/agent/api/UnprepareStorageClientCommand.java

@@ -19,18 +19,22 @@
 
 package com.cloud.agent.api;
 
+import java.util.Map;
+
 import com.cloud.storage.Storage.StoragePoolType;
 
 public class UnprepareStorageClientCommand extends Command {
     private StoragePoolType poolType;
     private String poolUuid;
+    private Map<String, String> details;
 
     public UnprepareStorageClientCommand() {
     }
 
-    public UnprepareStorageClientCommand(StoragePoolType poolType, String poolUuid) {
+    public UnprepareStorageClientCommand(StoragePoolType poolType, String poolUuid, Map<String, String> details) {
         this.poolType = poolType;
         this.poolUuid = poolUuid;
+        this.details = details;
     }
 
     @Override
@@ -45,4 +49,8 @@
     public String getPoolUuid() {
         return poolUuid;
     }
+
+    public Map<String, String> getDetails() {
+        return details;
+    }
 }

engine/api/src/main/java/org/apache/cloudstack/engine/subsystem/api/storage/DataStoreDriver.java

@@ -45,4 +45,8 @@
     boolean canCopy(DataObject srcData, DataObject destData);
 
     void resize(DataObject data, AsyncCompletionCallback<CreateCmdResult> callback);
+
+    default boolean canDisplayDetails() {
+        return true;
+    }
 }

engine/api/src/main/java/org/apache/cloudstack/engine/subsystem/api/storage/PrimaryDataStoreDriver.java

@@ -145,6 +145,14 @@
         return false;
     }
 
+    /**
+     * intended for managed storage
+     * returns true if the host can be disconnected from storage pool
+     */
+    default boolean canDisconnectHostFromStoragePool(Host host, StoragePool pool) {
+        return true;
+    }
+
     /**
      * Used by storage pools which want to keep VMs' information
      * @return true if additional VM info is needed (intended for storage pools).

engine/components-api/src/main/java/com/cloud/storage/StorageManager.java

@@ -314,6 +314,8 @@ static Boolean getFullCloneConfiguration(Long storeId) {
 
     boolean canHostPrepareStoragePoolAccess(Host host, StoragePool pool);
 
+    boolean canDisconnectHostFromStoragePool(Host host, StoragePool pool);
+
     Host getHost(long hostId);
 
     Host updateSecondaryStorage(long secStorageId, String newUrl);

engine/schema/src/main/java/com/cloud/storage/dao/StoragePoolHostDao.java

@@ -30,6 +30,8 @@ public interface StoragePoolHostDao extends GenericDao<StoragePoolHostVO, Long>
 
     public StoragePoolHostVO findByPoolHost(long poolId, long hostId);
 
+    List<StoragePoolHostVO> findByLocalPath(String path);
+
     List<StoragePoolHostVO> listByHostStatus(long poolId, Status hostStatus);
 
     List<Long> findHostsConnectedToPools(List<Long> poolIds);

engine/schema/src/main/java/com/cloud/storage/dao/StoragePoolHostDaoImpl.java

@@ -45,6 +45,7 @@
     protected final SearchBuilder<StoragePoolHostVO> PoolSearch;
     protected final SearchBuilder<StoragePoolHostVO> HostSearch;
     protected final SearchBuilder<StoragePoolHostVO> PoolHostSearch;
+    protected final SearchBuilder<StoragePoolHostVO> LocalPathSearch;
 
     protected SearchBuilder<StoragePoolHostVO> poolNotInClusterSearch;
 
@@ -77,6 +78,9 @@
         PoolHostSearch.and("host_id", PoolHostSearch.entity().getHostId(), SearchCriteria.Op.EQ);
         PoolHostSearch.done();
 
+        LocalPathSearch = createSearchBuilder();
+        LocalPathSearch.and("local_path", LocalPathSearch.entity().getLocalPath(), SearchCriteria.Op.EQ);
+        LocalPathSearch.done();
     }
 
     @PostConstruct
@@ -117,6 +121,13 @@
         return findOneIncludingRemovedBy(sc);
     }
 
+    @Override
+    public List<StoragePoolHostVO> findByLocalPath(String path) {
+        SearchCriteria<StoragePoolHostVO> sc = LocalPathSearch.create();
+        sc.setParameters("local_path", path);
+        return listBy(sc);
+    }
+
     @Override
     public List<StoragePoolHostVO> listByHostStatus(long poolId, Status hostStatus) {
         TransactionLegacy txn = TransactionLegacy.currentTxn();

engine/schema/src/main/java/org/apache/cloudstack/storage/datastore/db/PrimaryDataStoreDao.java

@@ -60,6 +60,8 @@ public interface PrimaryDataStoreDao extends GenericDao<StoragePoolVO, Long> {
 
     StoragePoolVO persist(StoragePoolVO pool, Map<String, String> details, List<String> tags, Boolean isTagARule);
 
+    StoragePoolVO persist(StoragePoolVO pool, Map<String, String> details, List<String> tags, Boolean isTagARule, boolean displayDetails);
+
     /**
      * Find pool by name.
      *
@@ -103,6 +105,8 @@ public interface PrimaryDataStoreDao extends GenericDao<StoragePoolVO, Long> {
 
     void updateDetails(long poolId, Map<String, String> details);
 
+    void removeDetails(long poolId);
+
     Map<String, String> getDetails(long poolId);
 
     List<String> searchForStoragePoolTags(long poolId);

engine/schema/src/main/java/org/apache/cloudstack/storage/datastore/db/PrimaryDataStoreDaoImpl.java

@@ -296,14 +296,19 @@
     }
 
     @Override
-    @DB
     public StoragePoolVO persist(StoragePoolVO pool, Map<String, String> details, List<String> tags, Boolean isTagARule) {
+        return persist(pool, details, tags, isTagARule, true);
+    }
+
+    @Override
+    @DB
+    public StoragePoolVO persist(StoragePoolVO pool, Map<String, String> details, List<String> tags, Boolean isTagARule, boolean displayDetails) {
         TransactionLegacy txn = TransactionLegacy.currentTxn();
         txn.start();
         pool = super.persist(pool);
         if (details != null) {
             for (Map.Entry<String, String> detail : details.entrySet()) {
-                StoragePoolDetailVO vo = new StoragePoolDetailVO(pool.getId(), detail.getKey(), detail.getValue(), true);
+                StoragePoolDetailVO vo = new StoragePoolDetailVO(pool.getId(), detail.getKey(), detail.getValue(), displayDetails);
                 _detailsDao.persist(vo);
             }
         }
@@ -570,6 +575,11 @@
         }
     }
 
+    @Override
+    public void removeDetails(long poolId) {
+        _detailsDao.removeDetails(poolId);
+    }
+
     @Override
     public Map<String, String> getDetails(long poolId) {
         return _detailsDao.listDetailsKeyPairs(poolId);

engine/storage/snapshot/src/main/java/org/apache/cloudstack/storage/vmsnapshot/ScaleIOVMSnapshotStrategy.java

@@ -34,6 +34,7 @@
 import org.apache.cloudstack.storage.datastore.client.ScaleIOGatewayClient;
 import org.apache.cloudstack.storage.datastore.client.ScaleIOGatewayClientConnectionPool;
 import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao;
+import org.apache.cloudstack.storage.datastore.db.StoragePoolDetailVO;
 import org.apache.cloudstack.storage.datastore.db.StoragePoolDetailsDao;
 import org.apache.cloudstack.storage.datastore.db.StoragePoolVO;
 import org.apache.cloudstack.storage.datastore.util.ScaleIOUtil;
@@ -301,7 +302,11 @@
                 srcSnapshotDestVolumeMap.put(srcSnapshotVolumeId, destVolumeId);
             }
 
-            String systemId = storagePoolDetailsDao.findDetail(storagePoolId, ScaleIOGatewayClient.STORAGE_POOL_SYSTEM_ID).getValue();
+            String systemId = null;
+            StoragePoolDetailVO systemIdDetail = storagePoolDetailsDao.findDetail(storagePoolId, ScaleIOGatewayClient.STORAGE_POOL_SYSTEM_ID);
+            if (systemIdDetail != null) {
+                systemId = systemIdDetail.getValue();
+            }
             if (systemId == null) {
                 throw new CloudRuntimeException("Failed to get the system id for PowerFlex storage pool for reverting VM snapshot: " + vmSnapshot.getName());
             }
@@ -380,7 +385,11 @@
         try {
             List<VolumeObjectTO> volumeTOs = vmSnapshotHelper.getVolumeTOList(vmSnapshot.getVmId());
             StoragePoolVO storagePool = vmSnapshotHelper.getStoragePoolForVM(userVm);
-            String systemId = storagePoolDetailsDao.findDetail(storagePool.getId(), ScaleIOGatewayClient.STORAGE_POOL_SYSTEM_ID).getValue();
+            String systemId = null;
+            StoragePoolDetailVO systemIdDetail = storagePoolDetailsDao.findDetail(storagePool.getId(), ScaleIOGatewayClient.STORAGE_POOL_SYSTEM_ID);
+            if (systemIdDetail != null) {
+                systemId = systemIdDetail.getValue();
+            }
             if (systemId == null) {
                 throw new CloudRuntimeException("Failed to get the system id for PowerFlex storage pool for deleting VM snapshot: " + vmSnapshot.getName());
             }

engine/storage/src/main/java/org/apache/cloudstack/storage/volume/datastore/PrimaryDataStoreHelper.java

@@ -29,13 +29,16 @@
 import com.cloud.dc.dao.ClusterDao;
 import org.apache.cloudstack.annotation.AnnotationService;
 import org.apache.cloudstack.annotation.dao.AnnotationDao;
-import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import org.springframework.stereotype.Component;
 
 import org.apache.cloudstack.engine.subsystem.api.storage.ClusterScope;
 import org.apache.cloudstack.engine.subsystem.api.storage.DataStore;
+import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreDriver;
 import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreManager;
+import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreProvider;
+import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreProviderManager;
 import org.apache.cloudstack.engine.subsystem.api.storage.HostScope;
 import org.apache.cloudstack.engine.subsystem.api.storage.PrimaryDataStoreParameters;
 import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao;
@@ -78,6 +81,8 @@
     protected ClusterDao clusterDao;
     @Inject
     private AnnotationDao annotationDao;
+    @Inject
+    DataStoreProviderManager dataStoreProviderMgr;
 
     public DataStore createPrimaryDataStore(PrimaryDataStoreParameters params) {
         if(params == null)
@@ -144,7 +149,17 @@
                 storageTags.add(tag);
             }
         }
-        dataStoreVO = dataStoreDao.persist(dataStoreVO, details, storageTags, params.isTagARule());
+
+        boolean displayDetails = true;
+        DataStoreProvider storeProvider = dataStoreProviderMgr.getDataStoreProvider(params.getProviderName());
+        if (storeProvider != null) {
+            DataStoreDriver storeDriver = storeProvider.getDataStoreDriver();
+            if (storeDriver != null) {
+                displayDetails = storeDriver.canDisplayDetails();
+            }
+        }
+
+        dataStoreVO = dataStoreDao.persist(dataStoreVO, details, storageTags, params.isTagARule(), displayDetails);
         return dataStoreMgr.getDataStore(dataStoreVO.getId(), DataStoreRole.Primary);
     }
 

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtModifyStoragePoolCommandWrapper.java

@@ -38,6 +38,17 @@
     @Override
     public Answer execute(final ModifyStoragePoolCommand command, final LibvirtComputingResource libvirtComputingResource) {
         final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
+        if (!command.getAdd()) {
+            boolean status = storagePoolMgr.deleteStoragePool(command.getPool().getType(), command.getPool().getUuid(), command.getDetails());
+            if (status) {
+                final ModifyStoragePoolAnswer answer = new ModifyStoragePoolAnswer(command, true, null);
+                return answer;
+            }
+
+            final ModifyStoragePoolAnswer answer = new ModifyStoragePoolAnswer(command, false, "Failed to delete storage pool");
+            return answer;
+        }
+
         final KVMStoragePool storagepool =
                 storagePoolMgr.createStoragePool(command.getPool().getUuid(), command.getPool().getHost(), command.getPool().getPort(), command.getPool().getPath(), command.getPool()
                         .getUserInfo(), command.getPool().getType(), command.getDetails());
@@ -47,7 +58,6 @@
 
         final Map<String, TemplateProp> tInfo = new HashMap<String, TemplateProp>();
         final ModifyStoragePoolAnswer answer = new ModifyStoragePoolAnswer(command, storagepool.getCapacity(), storagepool.getAvailable(), tInfo, storagepool.getDetails());
-
         return answer;
     }
 }

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtUnprepareStorageClientCommandWrapper.java

@@ -34,7 +34,7 @@ public class LibvirtUnprepareStorageClientCommandWrapper extends CommandWrapper<
     @Override
     public Answer execute(UnprepareStorageClientCommand cmd, LibvirtComputingResource libvirtComputingResource) {
         final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
-        Pair<Boolean, String> unprepareStorageClientResult = storagePoolMgr.unprepareStorageClient(cmd.getPoolType(), cmd.getPoolUuid());
+        Pair<Boolean, String> unprepareStorageClientResult = storagePoolMgr.unprepareStorageClient(cmd.getPoolType(), cmd.getPoolUuid(), cmd.getDetails());
         if (!unprepareStorageClientResult.first()) {
             String msg = unprepareStorageClientResult.second();
             logger.debug("Couldn't unprepare storage client, due to: " + msg);

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/KVMStoragePoolManager.java

@@ -408,12 +408,26 @@
 
     public boolean deleteStoragePool(StoragePoolType type, String uuid) {
         StorageAdaptor adaptor = getStorageAdaptor(type);
-        _haMonitor.removeStoragePool(uuid);
-        adaptor.deleteStoragePool(uuid);
+        if (type == StoragePoolType.NetworkFilesystem) {
+            _haMonitor.removeStoragePool(uuid);
+        }
+        boolean deleteStatus = adaptor.deleteStoragePool(uuid);;
+        synchronized (_storagePools) {
+            _storagePools.remove(uuid);
+        }
+        return deleteStatus;
+    }
+
+    public boolean deleteStoragePool(StoragePoolType type, String uuid, Map<String, String> details) {
+        StorageAdaptor adaptor = getStorageAdaptor(type);
+        if (type == StoragePoolType.NetworkFilesystem) {
+            _haMonitor.removeStoragePool(uuid);
+        }
+        boolean deleteStatus = adaptor.deleteStoragePool(uuid, details);
         synchronized (_storagePools) {
             _storagePools.remove(uuid);
         }
-        return true;
+        return deleteStatus;
     }
 
     public KVMPhysicalDisk createDiskFromTemplate(KVMPhysicalDisk template, String name, Storage.ProvisioningType provisioningType,
@@ -477,11 +491,11 @@
 
     public Ternary<Boolean, Map<String, String>, String> prepareStorageClient(StoragePoolType type, String uuid, Map<String, String> details) {
         StorageAdaptor adaptor = getStorageAdaptor(type);
-        return adaptor.prepareStorageClient(type, uuid, details);
+        return adaptor.prepareStorageClient(uuid, details);
     }
 
-    public Pair<Boolean, String> unprepareStorageClient(StoragePoolType type, String uuid) {
+    public Pair<Boolean, String> unprepareStorageClient(StoragePoolType type, String uuid, Map<String, String> details) {
         StorageAdaptor adaptor = getStorageAdaptor(type);
-        return adaptor.unprepareStorageClient(type, uuid);
+        return adaptor.unprepareStorageClient(uuid, details);
     }
 }