/usr/bin/crushdiff:131: SyntaxWarning: invalid escape sequence '\d'
  m = re.match('^pool (\d+) pg_num (\d+)', l)
/usr/bin/crushdiff:140: SyntaxWarning: invalid escape sequence '\d'
  m = re.match('^(\d+\.[0-9a-f]+)\s+\[([\d,]+)\]', l)
usage: crushdiff [-h] [-c] [-m osdmap] [-p pg-dump] [-v] compare|export|import crushmap

Tool for updating crush map

positional arguments:
  compare|export|import
                        command
  crushmap              crushmap json file

options:
  -h, --help            show this help message and exit
  -c, --compiled        use compiled crush map
  -m osdmap, --osdmap osdmap
  -p pg-dump, --pg-dump pg-dump
                        `ceph pg dump` json output
  -v, --verbose         be verbose