protected internal override void RemoveStoredMasterKey(DelegationKey key)
{
string nodeRemovePath = GetNodePath(ZkDtsmMasterKeyRoot, DelegationKeyPrefix + key
.GetKeyId());
if (Log.IsDebugEnabled())
{
Log.Debug("Removing ZKDTSMDelegationKey_" + key.GetKeyId());
}
try
{
if (zkClient.CheckExists().ForPath(nodeRemovePath) != null)
{
while (zkClient.CheckExists().ForPath(nodeRemovePath) != null)
{
zkClient.Delete().Guaranteed().ForPath(nodeRemovePath);
}
}
else
{
Log.Debug("Attempted to delete a non-existing znode " + nodeRemovePath);
}
}
catch (Exception)
{
Log.Debug(nodeRemovePath + " znode could not be removed!!");
}
}
/// <summary>Delete a directory/directory tree.</summary>
/// <remarks>
/// Delete a directory/directory tree.
/// It is not an error to delete a path that does not exist
/// </remarks>
/// <param name="path">path of operation</param>
/// <param name="recursive">flag to trigger recursive deletion</param>
/// <param name="backgroundCallback">
/// callback; this being set converts the operation
/// into an async/background operation.
/// task
/// </param>
/// <exception cref="System.IO.IOException">on problems other than no-such-path</exception>
public virtual void ZkDelete(string path, bool recursive, BackgroundCallback backgroundCallback
)
{
CheckServiceLive();
string fullpath = CreateFullPath(path);
try
{
if (Log.IsDebugEnabled())
{
Log.Debug("Deleting {}", fullpath);
}
DeleteBuilder delete = curator.Delete();
if (recursive)
{
delete.DeletingChildrenIfNeeded();
}
if (backgroundCallback != null)
{
delete.InBackground(backgroundCallback);
}
delete.ForPath(fullpath);
}
catch (KeeperException.NoNodeException)
{
}
catch (Exception e)
{
// not an error
throw OperationFailure(fullpath, "delete()", e);
}
}
