Hi Ian, We would need more information about where that version of python is being invoked. You're welcome to submit a patch.
Thanks, Alejandro On 11/29/16, 2:33 PM, "[email protected]" <[email protected]> wrote: >Hi Alejandro, > >Sorry for the delay. I looked at that script and it didn’t seem like it >would allow for me to force the right python. What I need is something >like where the scripts get generated, I just need to change the top line >of the scripts below, but since they’re regenerated when services are >stopped, I need to do it programmatically. Maybe this could be made as a >property, which is optionally configurable? > > >/usr/bin/hdp-select >/etc/hadoop/conf/topology_script.py > > > >Thanks, > >Ian > > > > > > > >On 11/18/16, 6:44 PM, "Alejandro Fernandez" <[email protected]> >wrote: > >>Hi Ian, >> >>Ambari currently supports Python 2.6 and 2.7. >>Take a look at >>https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_apache_am >>b >>ari_blob_trunk_ambari-2Dshell_ambari-2Dpython-2Dshel&d=DgIFAw&c=nulvIAQnC >>0 >>yOOjC0e0NVa8TOcyq9jNhjZ156R-JJU10&r=CxpqDYMuQy-1uNI-UOyUbaX6BMPCZXH8d8evu >>C >>oP_OA&m=9yDxGmbR83EbujEvcB36vHJPNAosEHXd763_ySz8hk0&s=PbZ99YTBAIx1e3-OmT8 >>- >>6HZbd9isTV8yXA4SH0Tcxi4&e= >>l/conf/unix/ambari-shell to see if you can force it to always use Python >>2.# >> >>Thanks, >>Alejandro >> >>On 11/17/16, 2:22 PM, "[email protected]" >><[email protected]> wrote: >> >>>Hi, >>> >>>I¹m currently running into an issue, where some of the Ambari related >>>python scripts are being invoked from a python 3 environment: >>> >>>/usr/bin/hdp-select >>>/etc/hadoop/conf/topology_script.py >>> >>>The reason this happens is a bit complicated, I¹m running jupyterhub, >>>which requires a python 3 environment on my management node, where >>>ambari >>>is located. Ambari uses python 2 currently. For most kernels, it works >>>fine, but Apache Toree, is for some reason calling those scripts from >>>within the python 3 environment. Since the scripts use /usr/bin/env >>>python, when they are in the conda environment for jupyterhub, they use >>>python 3 and break. So, what I have done is update the scripts to be >>>usable in both python 2 and 3. Unfortunately, it appears these scripts >>>are recreated when the cluster goes down (or is built), so I¹d have to >>>swap the files out. >>> >>>What I¹m proposing is that my changes for the scripts (or someone >>>else¹s), get committed, so with future versions of Ambari, there are not >>>issues of cross compatibility. >>> >>>How does this sound? >>> >>> >>> >> >
