I will suggest to use HBase api to manage your credentials, instead handling them of your own.
TableMapReduceUtil.initCredentials(UDFContext.getUDFContext().getJobConf); Ashutosh On Tue, Sep 25, 2012 at 10:38 PM, Rohini Palaniswamy < [email protected]> wrote: > That should work too. Just a note that UDFContext is serialized in JobConf > and would be visible to all (though base64 encoded) through Jobtracker UI > unless acls for viewing are set. If you are not that paranoid about > security as in Yahoo! then it should be fine. > > -Rohini > > On Tue, Sep 25, 2012 at 5:09 PM, Alan Gates <[email protected]> wrote: > > > You can use the UDFContext to pass information for the UDF in the JobConf > > without writing files. > > > > Alan. > > > > On Sep 25, 2012, at 10:48 AM, Rohini Palaniswamy wrote: > > > > > Ray, > > > Looking at the EvalFunc interface, I can not see a way or loophole to > > do > > > it. EvalFunc does not have a reference to Job or JobConf object to add > > > credentials to it. It has getCacheFiles() to add files to > > DistributedCache, > > > but no method to add credentials. We should probably add one. The not > so > > > nice workaround I can think of is to add the token as a file > > > to DistributedCache using getCacheFiles() and read the file yourself in > > > EvalFunc and use it in communication with HBase. > > > > > > Regards, > > > Rohini > > > > > > On Tue, Sep 25, 2012 at 1:51 AM, Ray <[email protected]> wrote: > > > > > >> Hi, > > >> > > >> I have a requirement to access HBase in UDF. But the HBase is > > configured to > > >> be secure, which needs a credential when being connected in a > mapreduce > > >> job. > > >> I see you have added support of secure HBase in HBaseStorage > > >> > > https://issues.apache.org/jira/browse/PIG-2821?attachmentSortBy=dateTime > > >> But my UDF is an EvalFunc not Loader. > > >> > > >> Could you tell me how I can achieve this? Or is there any way I can > add > > the > > >> credential in Job when the job is setup in backend? > > >> > > >> Thanks, > > >> Ray > > >> > > > > >
