check node state more thoroughly

Change-Id: Icc6a7f10fa7731a0d8fc138d779e685eb502b922
explicitly use path parameter

Change-Id: I858e458b62a953f4ca29367efbf4b85353ce9522
retry if got empry list of buckets

Change-Id: I7be3391a412f3d943adf21265ca49235f1470e05
make get_buckets and get_nodes methods public

Change-Id: I61a29bc76b30e196736a77a2f7ab5cdfc196010d
clean up code a little bit

Change-Id: I949dfde39d52c2659282c299395abd4b5dbbc629
rename _get method

Change-Id: Ibeef71533cad257037c264d614db154e3a6488ab
enable quiet mode in src client

Change-Id: I4f1e63fde2496be8c704284c5bb31ffb4b5f16c3
fix typo in attribute name

Change-Id: I365bb68b38b6de42f745e8c6293e41642db320c8
sleep before retry

Change-Id: I861f3fefa57e850f2fa5a1c237ff206af5dbce2d
don't retry requests for bad nodes

Change-Id: I62f738f148e4a57bfab5be4b2919300e5e86501e