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ceph: --help-all

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Ask first extant daemon of each for its command descriptions and
daemon command descriptions.  Suppress commands with no help string.

Signed-off-by: Dan Mick <dan.mick@inktank.com>
This commit is contained in:
Dan Mick 2013-05-24 20:36:15 -07:00
parent 99d7bcec3c
commit b4f63ceec7
1 changed files with 57 additions and 13 deletions
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70
src/ceph
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@ -749,6 +749,32 @@ def validate(args, signature, partial=False):
d[desc.name] = desc.instance.val
return d
def osdids():
ret, outbuf, outs = json_command(prefix='osd ls')
if ret:
raise RuntimeError('Can\'t contact mon for osd list')
return [i for i in outbuf.split('\n')]
def monids():
ret, outbuf, outs = json_command(prefix='mon dump',
argdict={'format':'json'})
if ret:
raise RuntimeError('Can\'t contact mon for mon list')
d = json.loads(outbuf)
return [m['name'] for m in d['mons']]
def mdsids():
ret, outbuf, outs = json_command(prefix='mds dump',
argdict={'format':'json'})
if ret:
raise RuntimeError('Can\'t contact mon for mds list')
d = json.loads(outbuf)
l = []
infodict = d['info']
for mdsdict in infodict.values():
l.append(mdsdict['name'])
return l
def parse_cmdargs(args=None, target='', first=False):
# alias: let the line-wrapping be sane
AP = argparse.ArgumentParser
@ -756,7 +782,9 @@ def parse_cmdargs(args=None, target='', first=False):
# format our own help
parser = AP(description='Frontend for ceph CLI', add_help=False)
parser.add_argument('-h', '--help', help='request help',
parser.add_argument('-h', '--help', help='request mon help',
action='store_true')
parser.add_argument('--help-all', help='request help for all daemons',
action='store_true')
parser.add_argument('-c', dest='cephconf',
help='ceph configuration file')
@ -797,7 +825,8 @@ def parse_cmdargs(args=None, target='', first=False):
parsed_args, extras = parser.parse_known_args(args)
# handle help ourselves, here and now
if (not first) and parsed_args.help:
if (not first) and (parsed_args.help or parsed_args.help_all):
def help_for_target(target):
ret, outbuf, outs = json_command(target=target,
prefix='get_command_descriptions')
@ -809,22 +838,35 @@ def parse_cmdargs(args=None, target='', first=False):
sys.stdout.write(format_help(parse_json_funcsigs(outbuf)))
parser.print_help()
print '\n'
help_for_target(target=('mon', ''))
sys.stdout.write("\nOSD tell commands and pg pgid commands:\n\n")
help_for_target(target=('osd', '0'))
if parsed_args.help_all:
# try/except in case there are no daemons of that type
try:
firstosd = osdids()[0]
print '\nOSD.{0} tell commands and pg pgid commands:\n\n'.\
format(firstosd)
help_for_target(target=('osd', osdids()[0]))
# XXX: all daemons?
# XXX: get daemon name from conf or some other output?
print '\nOSD daemon commands:\n\n'
sys.stdout.write(format_help(parse_json_funcsigs(admin_socket(ceph_conf('admin_socket', 'osd.' + firstosd), ['get_command_descriptions']))))
except:
pass
sys.stdout.write("\nOSD daemon commands:\n\n")
sys.stdout.write(format_help(parse_json_funcsigs(admin_socket(ceph_conf('admin_socket', 'osd.0'), ['get_command_descriptions']))))
try:
firstmon = monids()[0]
print '\nmon.{0} daemon commands:\n\n'.format(firstmon)
sys.stdout.write(format_help(parse_json_funcsigs(admin_socket(ceph_conf('admin_socket', 'mon.' + firstmon), ['get_command_descriptions']))))
except:
pass
sys.stdout.write("\nmon daemon commands:\n\n")
sys.stdout.write(format_help(parse_json_funcsigs(admin_socket(ceph_conf('admin_socket', 'mon.a'), ['get_command_descriptions']))))
sys.stdout.write("\nmds daemon commands:\n\n")
sys.stdout.write(format_help(parse_json_funcsigs(admin_socket(ceph_conf('admin_socket', 'mds.a'), ['get_command_descriptions']))))
try:
firstmds = mdsids()[0]
print '\nmds.{0} daemon commands:\n\n'.format(firstmds)
sys.stdout.write(format_help(parse_json_funcsigs(admin_socket(ceph_conf('admin_socket', 'mds.' + firstmds), ['get_command_descriptions']))))
except:
pass
sys.exit(0)
@ -901,6 +943,8 @@ def format_help(cmddict):
fullusage = ''
for cmd in sorted(cmddict.itervalues(), cmp=descsort):
if not cmd['helptext']:
continue
siglines = [l for l in wrap(concise_sig(cmd['sig']), 40, 1)]
helplines = [l for l in wrap(cmd['helptext'], 39, 1)]