private TimelineACLsManager.AccessControlListExt PutDomainIntoCache(TimelineDomain
domain)
{
IDictionary <ApplicationAccessType, AccessControlList> acls = new Dictionary <ApplicationAccessType
, AccessControlList>(2);
acls[ApplicationAccessType.ViewApp] = new AccessControlList(StringHelper.Cjoin(domain
.GetReaders()));
acls[ApplicationAccessType.ModifyApp] = new AccessControlList(StringHelper.Cjoin(
domain.GetWriters()));
TimelineACLsManager.AccessControlListExt aclExt = new TimelineACLsManager.AccessControlListExt
(domain.GetOwner(), acls);
aclExts[domain.GetId()] = aclExt;
return(aclExt);
}
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.IO.IOException"/>
public virtual bool CheckAccess(UserGroupInformation callerUGI, ApplicationAccessType
applicationAccessType, TimelineEntity entity)
{
if (Log.IsDebugEnabled())
{
Log.Debug("Verifying the access of " + (callerUGI == null ? null : callerUGI.GetShortUserName
()) + " on the timeline entity " + new EntityIdentifier(entity.GetEntityId(), entity
.GetEntityType()));
}
if (!adminAclsManager.AreACLsEnabled())
{
return(true);
}
// find domain owner and acls
TimelineACLsManager.AccessControlListExt aclExt = aclExts[entity.GetDomainId()];
if (aclExt == null)
{
aclExt = LoadDomainFromTimelineStore(entity.GetDomainId());
}
if (aclExt == null)
{
throw new YarnException("Domain information of the timeline entity " + new EntityIdentifier
(entity.GetEntityId(), entity.GetEntityType()) + " doesn't exist.");
}
string owner = aclExt.owner;
AccessControlList domainACL = aclExt.acls[applicationAccessType];
if (domainACL == null)
{
if (Log.IsDebugEnabled())
{
Log.Debug("ACL not found for access-type " + applicationAccessType + " for domain "
+ entity.GetDomainId() + " owned by " + owner + ". Using default [" + YarnConfiguration
.DefaultYarnAppAcl + "]");
}
domainACL = new AccessControlList(YarnConfiguration.DefaultYarnAppAcl);
}
if (callerUGI != null && (adminAclsManager.IsAdmin(callerUGI) || callerUGI.GetShortUserName
().Equals(owner) || domainACL.IsUserAllowed(callerUGI)))
{
return(true);
}
return(false);
}