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From GitBox <...@apache.org>
Subject [GitHub] rhtyd closed pull request #2829: CLOUDSTACK-9473: storage pool capacity check when volume is resized or migrated
Date Fri, 07 Sep 2018 16:31:18 GMT
rhtyd closed pull request #2829: CLOUDSTACK-9473: storage pool capacity check when volume is
resized or migrated
URL: https://github.com/apache/cloudstack/pull/2829
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):

diff --git a/engine/components-api/src/com/cloud/storage/StorageManager.java b/engine/components-api/src/com/cloud/storage/StorageManager.java
index 530a7dea3cc..a532a4f41e7 100644
--- a/engine/components-api/src/com/cloud/storage/StorageManager.java
+++ b/engine/components-api/src/com/cloud/storage/StorageManager.java
@@ -178,6 +178,8 @@
      */
     boolean storagePoolHasEnoughSpace(List<Volume> volume, StoragePool pool, Long clusterId);
 
+    boolean storagePoolHasEnoughSpaceForResize(StoragePool pool, long currentSize, long newSiz);
+
     boolean registerHostListener(String providerUuid, HypervisorHostListener listener);
 
     void connectHostToSharedPool(long hostId, long poolId) throws StorageUnavailableException,
StorageConflictException;
diff --git a/server/src/com/cloud/storage/StorageManagerImpl.java b/server/src/com/cloud/storage/StorageManagerImpl.java
index 610789f5de2..44c8189f6e1 100644
--- a/server/src/com/cloud/storage/StorageManagerImpl.java
+++ b/server/src/com/cloud/storage/StorageManagerImpl.java
@@ -1788,8 +1788,8 @@ public boolean storagePoolHasEnoughSpace(List<Volume> volumes,
StoragePool pool,
         if (s_logger.isDebugEnabled()) {
             s_logger.debug("Destination pool id: " + pool.getId());
         }
-
-        StoragePoolVO poolVO = _storagePoolDao.findById(pool.getId());
+        // allocated space includes templates
+        final StoragePoolVO poolVO = _storagePoolDao.findById(pool.getId());
         long allocatedSizeWithTemplate = _capacityMgr.getAllocatedPoolCapacity(poolVO, null);
         long totalAskingSize = 0;
 
@@ -1830,12 +1830,37 @@ public boolean storagePoolHasEnoughSpace(List<Volume> volumes,
StoragePool pool,
             }
         }
 
+        return checkPoolforSpace(pool, allocatedSizeWithTemplate, totalAskingSize);
+    }
+
+    @Override
+    public boolean storagePoolHasEnoughSpaceForResize(StoragePool pool, long currentSize,
long newSiz) {
+        if (!checkUsagedSpace(pool)) {
+            return false;
+        }
+        if (s_logger.isDebugEnabled()) {
+            s_logger.debug("Destination pool id: " + pool.getId());
+        }
+        long totalAskingSize = newSiz - currentSize;
+
+        if (totalAskingSize <= 0) {
+            return true;
+        } else {
+            final StoragePoolVO poolVO = _storagePoolDao.findById(pool.getId());
+            final long allocatedSizeWithTemplate = _capacityMgr.getAllocatedPoolCapacity(poolVO,
null);
+            return checkPoolforSpace(pool, allocatedSizeWithTemplate, totalAskingSize);
+        }
+    }
+
+    private boolean checkPoolforSpace(StoragePool pool, long allocatedSizeWithTemplate, long
totalAskingSize) {
+        // allocated space includes templates
+        StoragePoolVO poolVO = _storagePoolDao.findById(pool.getId());
+
         long totalOverProvCapacity;
 
         if (pool.getPoolType().supportsOverProvisioning()) {
             BigDecimal overProvFactor = getStorageOverProvisioningFactor(pool.getId());
             totalOverProvCapacity = overProvFactor.multiply(new BigDecimal(pool.getCapacityBytes())).longValue();
-
             s_logger.debug("Found storage pool " + poolVO.getName() + " of type " + pool.getPoolType().toString()
+ " with overprovisioning factor " + overProvFactor.toString());
             s_logger.debug("Total over provisioned capacity calculated is " + overProvFactor
+ " * " + pool.getCapacityBytes());
         } else {
@@ -1847,21 +1872,26 @@ public boolean storagePoolHasEnoughSpace(List<Volume> volumes,
StoragePool pool,
         s_logger.debug("Total capacity of the pool " + poolVO.getName() + " with ID " + pool.getId()
+ " is " + totalOverProvCapacity);
 
         double storageAllocatedThreshold = CapacityManager.StorageAllocatedCapacityDisableThreshold.valueIn(pool.getDataCenterId());
-
-        s_logger.debug("Checking pool: " + pool.getId() + " for volume allocation " + volumes.toString()
+ ", maxSize : " + totalOverProvCapacity + ", totalAllocatedSize : "
-                + allocatedSizeWithTemplate + ", askingSize : " + totalAskingSize + ", allocated
disable threshold: " + storageAllocatedThreshold);
+        if (s_logger.isDebugEnabled()) {
+            s_logger.debug("Checking pool: " + pool.getId() + " for storage allocation ,
maxSize : " + totalOverProvCapacity + ", totalAllocatedSize : " + allocatedSizeWithTemplate
+                    + ", askingSize : " + totalAskingSize + ", allocated disable threshold:
" + storageAllocatedThreshold);
+        }
 
         double usedPercentage = (allocatedSizeWithTemplate + totalAskingSize) / (double)(totalOverProvCapacity);
 
         if (usedPercentage > storageAllocatedThreshold) {
-            s_logger.debug("Insufficient un-allocated capacity on: " + pool.getId() + " for
volume allocation: " + volumes.toString() + " since its allocated percentage: " + usedPercentage
-                    + " has crossed the allocated pool.storage.allocated.capacity.disablethreshold:
" + storageAllocatedThreshold + ", skipping this pool");
+            if (s_logger.isDebugEnabled()) {
+                s_logger.debug("Insufficient un-allocated capacity on: " + pool.getId() +
" for storage allocation since its allocated percentage: " + usedPercentage
+                        + " has crossed the allocated pool.storage.allocated.capacity.disablethreshold:
" + storageAllocatedThreshold + ", skipping this pool");
+            }
             return false;
         }
 
         if (totalOverProvCapacity < (allocatedSizeWithTemplate + totalAskingSize)) {
-            s_logger.debug("Insufficient un-allocated capacity on: " + pool.getId() + " for
volume allocation: " + volumes.toString() + ", not enough storage, maxSize : " + totalOverProvCapacity
-                    + ", totalAllocatedSize : " + allocatedSizeWithTemplate + ", askingSize
: " + totalAskingSize);
+            if (s_logger.isDebugEnabled()) {
+                s_logger.debug("Insufficient un-allocated capacity on: " + pool.getId() +
" for storage allocation, not enough storage, maxSize : " + totalOverProvCapacity
+                        + ", totalAllocatedSize : " + allocatedSizeWithTemplate + ", askingSize
: " + totalAskingSize);
+            }
             return false;
         }
 
diff --git a/server/src/com/cloud/storage/VolumeApiServiceImpl.java b/server/src/com/cloud/storage/VolumeApiServiceImpl.java
index 5e3bf54da19..372ab3423af 100644
--- a/server/src/com/cloud/storage/VolumeApiServiceImpl.java
+++ b/server/src/com/cloud/storage/VolumeApiServiceImpl.java
@@ -19,6 +19,7 @@
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
@@ -1137,6 +1138,10 @@ private VolumeVO orchestrateResizeVolume(long volumeId, long currentSize,
long n
         UserVmVO userVm = _userVmDao.findById(volume.getInstanceId());
         StoragePoolVO storagePool = _storagePoolDao.findById(volume.getPoolId());
         boolean isManaged = storagePool.isManaged();
+
+        if (!storageMgr.storagePoolHasEnoughSpaceForResize(storagePool, currentSize, newSize))
{
+            throw new CloudRuntimeException("Storage pool " + storagePool.getName() + " does
not have enough space to resize volume " + volume.getName());
+        }
         /*
          * get a list of hosts to send the commands to, try the system the
          * associated vm is running on first, then the last known place it ran.
@@ -2061,6 +2066,10 @@ public Volume migrateVolume(MigrateVolumeCmd cmd) {
             throw new InvalidParameterValueException("Cannot migrate volume " + vol + "to
the destination storage pool " + destPool.getName() + " as the storage pool is in maintenance
mode.");
         }
 
+        if (!storageMgr.storagePoolHasEnoughSpace(Collections.singletonList(vol), destPool))
{
+            throw new CloudRuntimeException("Storage pool " + destPool.getName() + " does
not have enough space to migrate volume " + vol.getName());
+        }
+
         if (_volumeMgr.volumeOnSharedStoragePool(vol)) {
             if (destPool.isLocal()) {
                 throw new InvalidParameterValueException("Migration of volume from shared
to local storage pool is not supported");


 

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