prevent negative values

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

Author: shwstppr

plugins/integrations/veeam-control-service/src/main/java/org/apache/cloudstack/veeam/api/converter/HostJoinVOToHostConverter.java

@@ -70,7 +70,7 @@ public static Host toHost(final HostJoinVO vo) {
 
         // --- Memory ---
         h.setMemory(String.valueOf(vo.getTotalMemory()));
-        h.setMaxSchedulingMemory(String.valueOf(vo.getTotalMemory() - vo.getMemUsedCapacity()));
+        h.setMaxSchedulingMemory(String.valueOf(Math.max(0, vo.getTotalMemory() - vo.getMemUsedCapacity())));
 
         h.setType("ovirt_node");
         h.setAutoNumaStatus("unknown");

plugins/integrations/veeam-control-service/src/main/java/org/apache/cloudstack/veeam/api/converter/StoreVOToStorageDomainConverter.java

@@ -48,7 +48,7 @@ public static StorageDomain toStorageDomain(final StoragePoolJoinVO pool) {
         sd.setName(pool.getName());
 
         // oVirt sample returns numbers as strings
-        sd.setAvailable(Long.toString(pool.getCapacityBytes() - pool.getUsedBytes()));
+        sd.setAvailable(Long.toString(Math.max(0, pool.getCapacityBytes() - pool.getUsedBytes())));
         sd.setUsed(Long.toString(pool.getUsedBytes()));
         sd.setCommitted(Long.toString(pool.getCapacityBytes()));