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Fix NPE in NASBackupProvider when no running KVM host is available #12805

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Fix NPE in NASBackupProvider when no running KVM host is available #12805

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10 changes: 10 additions & 0 deletions plugins/backup/nas/src/main/java/org/apache/cloudstack/backup/NASBackupProvider.java
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Original file line number Diff line number Diff line change
Expand Up @@ -471,6 +471,9 @@ public boolean deleteBackup(Backup backup, boolean forced) {
} else {
host = resourceManager.findOneRandomRunningHostByHypervisor(Hypervisor.HypervisorType.KVM, backup.getZoneId());
}
if (host == null) {
throw new CloudRuntimeException(String.format("Unable to find a running KVM host in zone %d to delete backup %s", backup.getZoneId(), backup.getUuid()));
}

DeleteBackupCommand command = new DeleteBackupCommand(backup.getExternalId(), backupRepository.getType(),
backupRepository.getAddress(), backupRepository.getMountOptions());
Expand Down Expand Up @@ -552,7 +555,14 @@ public Pair<Long, Long> getBackupStorageStats(Long zoneId) {
@Override
public void syncBackupStorageStats(Long zoneId) {
final List<BackupRepository> repositories = backupRepositoryDao.listByZoneAndProvider(zoneId, getName());
if (CollectionUtils.isEmpty(repositories)) {
return;
}
final Host host = resourceManager.findOneRandomRunningHostByHypervisor(Hypervisor.HypervisorType.KVM, zoneId);
if (host == null) {
logger.warn("Unable to find a running KVM host in zone {} to sync backup storage stats", zoneId);
return;
}
for (final BackupRepository repository : repositories) {
GetBackupStorageStatsCommand command = new GetBackupStorageStatsCommand(repository.getType(), repository.getAddress(), repository.getMountOptions());
BackupStorageStatsAnswer answer;
Expand Down
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