ceph-disk: consolidate ceph-disk-* into a single binary

 ceph-disk prepare ...
 ceph-disk activate ...
 ceph-disk ...

This let's us share code (we were already duplicating a bunch of stuff!)
and to add new commands easily.

Signed-off-by: Sage Weil <sage@inktank.com>
ceph-disk: consolidate exceptions

Use a single exception type, and catch it at the top level.

Signed-off-by: Sage Weil <sage@inktank.com>
ceph-disk: simplify command dispatch

Signed-off-by: Sage Weil <sage@inktank.com>
ceph-disk: install and package

Signed-off-by: Sage Weil <sage@inktank.com>
ceph-disk: rename local variable shadowing builtin

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: remove double defined function get_conf

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: remove twice defined function mount

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: remove twice defined identical function unmount

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: rename local variable shadowing builtin

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: fix /dev/dm-[0-9] handling list_all_partitions()

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: remove unused variables from list_partitions()

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
fix: Redefining name 'uuid' from outer scope (line 14)

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: add missing space after >> operator

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: fix except to catch OSError

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: remove unused variable key from prepare_journal_dev()

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: there is no os.path.lstat use os.lstat

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: fix adjust_symlink() replace 'canonical' with 'path'

Replace 'canonical' variable with 'path' since canonical doesn't
exist in this function.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: fix adjust_symlink() replace 'journal' with 'target'

Replace 'journal' variable with 'target' since journal doesn't
exist in this function.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
ceph-disk: cast output of subprocess.Popen() to str()

Cast output of subprocess.Popen() to str() to be able to use
str.split() and str.splitlines() without warnings from pylint.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
Fix notes in documentation

Use of .. note: instead of .. note:: resulting in content not
being displayed

Signed-off-by: Alexandre Marangone <alexandre.marangone@inktank.com>