Change directory permissions to 777 (for now)

The following discussion from !1 (merged) should be addressed:

• @maarten started a discussion: (+2 comments)

  @arie not sure what I'm doing wrong. I keep getting errors from the pods that they can't write to the volumes. Logging into the kubernetes server and running chmod 777 on the directory works around the problem, but that can't be intentional. The owner of the directories is always root...