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bug 8493: Don't allow to create a snapshot policy with max value exceeding domain/account snapshot limit

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status 8493: resolved fixed

Also increase/reduce resource count when recurring snapshot is taken/removed
This commit is contained in:
alena 2011-02-09 15:03:18 -08:00
parent 74e878ea7f
commit 7b13c89956
3 changed files with 24 additions and 4 deletions
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1
api/src/com/cloud/api/commands/CreateSnapshotCmd.java
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@ -33,7 +33,6 @@ import com.cloud.exception.ResourceAllocationException;
import com.cloud.storage.Snapshot;
import com.cloud.storage.Volume;
import com.cloud.user.Account;
import com.cloud.user.UserContext;
@Implementation(description="Creates an instant snapshot of a volume.", responseObject=SnapshotResponse.class)
public class CreateSnapshotCmd extends BaseAsyncCreateCmd {

1
server/src/com/cloud/storage/dao/SnapshotDao.java
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@ -20,7 +20,6 @@ package com.cloud.storage.dao;
import java.util.List;
import com.cloud.storage.Snapshot;
import com.cloud.storage.SnapshotVO;
import com.cloud.utils.db.Filter;
import com.cloud.utils.db.GenericDao;

22
server/src/com/cloud/storage/snapshot/SnapshotManagerImpl.java
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@ -527,6 +527,10 @@ public class SnapshotManagerImpl implements SnapshotManager, SnapshotService, Ma
UsageEventVO usageEvent = new UsageEventVO(EventTypes.EVENT_SNAPSHOT_CREATE, snapshot.getAccountId(), volume.getDataCenterId(), snapshotId, snapshot.getName(), null, null, volume.getSize());
_usageEventDao.persist(usageEvent);
if (snapshot.getSnapshotType() == Type.RECURRING.ordinal()) {
_accountMgr.incrementResourceCount(snapshot.getAccountId(), ResourceType.snapshot);
}
}
else {
// Just mark it as removed in the database. When the next snapshot it taken,
@ -536,6 +540,12 @@ public class SnapshotManagerImpl implements SnapshotManager, SnapshotService, Ma
// 2) Create the next Snapshot pretending this is a valid snapshot.
// 3) backupSnapshotToSecondaryStorage of the next snapshot
// will take care of cleaning up the state of this snapshot
if (snapshot.getSnapshotType() == Type.RECURRING.ordinal()) {
_accountMgr.decrementResourceCount(snapshot.getAccountId(), ResourceType.snapshot);
UsageEventVO usageEvent = new UsageEventVO(EventTypes.EVENT_SNAPSHOT_DELETE, snapshot.getAccountId(), 0L, snapshotId, snapshot.getName(), null, null, 0L);
_usageEventDao.persist(usageEvent);
}
_snapshotDao.remove(snapshotId);
}
txn.commit();
@ -988,6 +998,9 @@ public class SnapshotManagerImpl implements SnapshotManager, SnapshotService, Ma
throw new InvalidParameterValueException("Failed to create snapshot policy, unable to find a volume with id " + volumeId);
}
AccountVO owner = _accountDao.findById(volume.getAccountId());
DomainVO domain = _domainDao.findById(owner.getDomainId());
// If an account was passed in, make sure that it matches the account of the volume
checkAccountPermissions(volume.getAccountId(), volume.getDomainId(), "volume", volumeId);
@ -1029,6 +1042,15 @@ public class SnapshotManagerImpl implements SnapshotManager, SnapshotService, Ma
throw new InvalidParameterValueException("maxSnaps exceeds limit: " + intervalMaxSnaps + " for interval type: " + cmd.getIntervalType());
}
//Verify that max doesn't exceed domain and account snapshot limits
long accountLimit = _accountMgr.findCorrectResourceLimit(owner, ResourceType.snapshot);
long domainLimit = _accountMgr.findCorrectResourceLimit(domain, ResourceType.snapshot);
int max = cmd.getMaxSnaps().intValue();
if (owner.getType() != Account.ACCOUNT_TYPE_ADMIN && ((accountLimit != -1 && max > accountLimit ) || (domainLimit != -1 && max > domainLimit))){
throw new InvalidParameterValueException("Max number of snapshots shouldn't exceed the domain/account level snapshot limit");
}
SnapshotPolicyVO policy = new SnapshotPolicyVO(volumeId, cmd.getSchedule(), timezoneId, (short)type.ordinal(), cmd.getMaxSnaps());
// Create an event
try{