Current File : //proc/self/root/snap/lxd/29351/bin/ceph
#!/usr/bin/env python3
# -*- mode:python -*-
# vim: ts=4 sw=4 smarttab expandtab
#
# Processed in Makefile to add python #! line and version variable
#
#
"""
ceph.in becomes ceph, the command-line management tool for Ceph clusters.
This is a replacement for tools/ceph.cc and tools/common.cc.
Copyright (C) 2013 Inktank Storage, Inc.
This is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License version 2, as published by the Free Software
Foundation. See file COPYING.
"""
from __future__ import print_function
from time import sleep
import codecs
import grp
import os
import pwd
import sys
import time
import platform
try:
input = raw_input
except NameError:
pass
CEPH_GIT_VER = "8a82819d84cf884bd39c17e3236e0632ac146dc4"
CEPH_GIT_NICE_VER = "15.2.17"
CEPH_RELEASE = "15"
CEPH_RELEASE_NAME = "octopus"
CEPH_RELEASE_TYPE = "stable"
# priorities from src/common/perf_counters.h
PRIO_CRITICAL = 10
PRIO_INTERESTING = 8
PRIO_USEFUL = 5
PRIO_UNINTERESTING = 2
PRIO_DEBUGONLY = 0
PRIO_DEFAULT = PRIO_INTERESTING
# Make life easier on developers:
# If our parent dir contains CMakeCache.txt and bin/init-ceph,
# assume we're running from a build dir (i.e. src/build/bin/ceph)
# and tweak sys.path and LD_LIBRARY_PATH to use built files.
# Since this involves re-execing, if CEPH_DBG is set in the environment
# re-exec with -mpdb. Also, if CEPH_DEV is in the env, suppress
# the warning message about the DEVELOPER MODE.
MYPATH = os.path.abspath(__file__)
MYDIR = os.path.dirname(MYPATH)
MYPDIR = os.path.dirname(MYDIR)
DEVMODEMSG = '*** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH ***'
def respawn_in_path(lib_path, pybind_path, pythonlib_path, asan_lib_path):
execv_cmd = []
if 'CEPH_DBG' in os.environ:
execv_cmd += ['/usr/bin/python3.8', '-mpdb']
if platform.system() == "Darwin":
lib_path_var = "DYLD_LIBRARY_PATH"
else:
lib_path_var = "LD_LIBRARY_PATH"
execv_cmd += sys.argv
if asan_lib_path:
os.environ['LD_PRELOAD'] = asan_lib_path
if lib_path_var in os.environ:
if lib_path not in os.environ[lib_path_var]:
os.environ[lib_path_var] += ':' + lib_path
if "CEPH_DEV" not in os.environ:
print(DEVMODEMSG, file=sys.stderr)
os.execvp(execv_cmd[0], execv_cmd)
else:
os.environ[lib_path_var] = lib_path
if "CEPH_DEV" not in os.environ:
print(DEVMODEMSG, file=sys.stderr)
os.execvp(execv_cmd[0], execv_cmd)
sys.path.insert(0, os.path.join(MYDIR, pybind_path))
sys.path.insert(0, os.path.join(MYDIR, pythonlib_path))
def get_pythonlib_dir():
"""Returns the name of a distutils build directory"""
return "lib.{version[0]}".format(version=sys.version_info)
def get_cmake_variables(*names):
vars = dict((name, None) for name in names)
for line in open(os.path.join(MYPDIR, "CMakeCache.txt")):
# parse lines like "WITH_ASAN:BOOL=ON"
for name in names:
if line.startswith("{}:".format(name)):
type_value = line.split(":")[1].strip()
t, v = type_value.split("=")
if t == 'BOOL':
v = v.upper() in ('TRUE', '1', 'Y', 'YES', 'ON')
vars[name] = v
break
if all(vars.values()):
break
return [vars[name] for name in names]
if os.path.exists(os.path.join(MYPDIR, "CMakeCache.txt")) \
and os.path.exists(os.path.join(MYPDIR, "bin/init-ceph")):
src_path, with_asan, asan_lib_path = \
get_cmake_variables("ceph_SOURCE_DIR", "WITH_ASAN", "ASAN_LIBRARY")
if src_path is None:
# Huh, maybe we're not really in a cmake environment?
pass
else:
# Developer mode, but in a cmake build dir instead of the src dir
lib_path = os.path.join(MYPDIR, "lib")
bin_path = os.path.join(MYPDIR, "bin")
pybind_path = os.path.join(src_path, "src", "pybind")
pythonlib_path = os.path.join(lib_path,
"cython_modules",
get_pythonlib_dir())
respawn_in_path(lib_path, pybind_path, pythonlib_path,
asan_lib_path if with_asan else None)
if 'PATH' in os.environ and bin_path not in os.environ['PATH']:
os.environ['PATH'] = os.pathsep.join([bin_path, os.environ['PATH']])
import argparse
import errno
import json
import rados
import shlex
import signal
import string
import subprocess
from ceph_argparse import \
concise_sig, descsort_key, parse_json_funcsigs, \
validate_command, find_cmd_target, \
json_command, run_in_thread, Flag
from ceph_daemon import admin_socket, DaemonWatcher, Termsize
# just a couple of globals
verbose = False
cluster_handle = None
# Always use Unicode (UTF-8) for stdout
if sys.version_info[0] >= 3:
raw_stdout = sys.stdout.buffer
raw_stderr = sys.stderr.buffer
else:
raw_stdout = sys.__stdout__
raw_stderr = sys.__stderr__
sys.stdout = codecs.getwriter('utf-8')(raw_stdout)
sys.stderr = codecs.getwriter('utf-8')(raw_stderr)
def raw_write(buf):
sys.stdout.flush()
raw_stdout.write(rados.cstr(buf, ''))
def osdids():
ret, outbuf, outs = json_command(cluster_handle, prefix='osd ls')
if ret:
raise RuntimeError('Can\'t contact mon for osd list')
return [line.decode('utf-8') for line in outbuf.split(b'\n') if line]
def monids():
ret, outbuf, outs = json_command(cluster_handle, prefix='mon dump',
argdict={'format': 'json'})
if ret:
raise RuntimeError('Can\'t contact mon for mon list')
d = json.loads(outbuf.decode('utf-8'))
return [m['name'] for m in d['mons']]
def mdsids():
ret, outbuf, outs = json_command(cluster_handle, prefix='fs dump',
argdict={'format': 'json'})
if ret:
raise RuntimeError('Can\'t contact mon for mds list')
d = json.loads(outbuf.decode('utf-8'))
l = []
for info in d['standbys']:
l.append(info['name'])
for fs in d['filesystems']:
for info in fs['mdsmap']['info'].values():
l.append(info['name'])
return l
def mgrids():
ret, outbuf, outs = json_command(cluster_handle, prefix='mgr dump',
argdict={'format': 'json'})
if ret:
raise RuntimeError('Can\'t contact mon for mgr list')
d = json.loads(outbuf.decode('utf-8'))
l = []
l.append(d['active_name'])
# we can only send tell commands to the active mgr
#for i in d['standbys']:
# l.append(i['name'])
return l
def ids_by_service(service):
ids = {"mon": monids,
"osd": osdids,
"mds": mdsids,
"mgr": mgrids}
return ids[service]()
def validate_target(target):
"""
this function will return true iff target is a correct
target, such as mon.a/osd.2/mds.a/mgr.
target: array, likes ['osd', '2']
return: bool, or raise RuntimeError
"""
if len(target) == 2:
# for case "service.id"
service_name, service_id = target[0], target[1]
try:
exist_ids = ids_by_service(service_name)
except KeyError:
print('WARN: {0} is not a legal service name, should be one of mon/osd/mds/mgr'.format(service_name),
file=sys.stderr)
return False
if service_id in exist_ids or len(exist_ids) > 0 and service_id == '*':
return True
else:
print('WARN: the service id you provided does not exist. service id should '
'be one of {0}.'.format('/'.join(exist_ids)), file=sys.stderr)
return False
elif len(target) == 1 and target[0] in ['mgr', 'mon']:
return True
else:
print('WARN: \"{0}\" is not a legal target. it should be one of mon.<id>/osd.<int>/mds.<id>/mgr'.format('.'.join(target)), file=sys.stderr)
return False
# these args must be passed to all child programs
GLOBAL_ARGS = {
'client_id': '--id',
'client_name': '--name',
'cluster': '--cluster',
'cephconf': '--conf',
}
def parse_cmdargs(args=None, target=''):
"""
Consume generic arguments from the start of the ``args``
list. Call this first to handle arguments that are not
handled by a command description provided by the server.
:returns: three tuple of ArgumentParser instance, Namespace instance
containing parsed values, and list of un-handled arguments
"""
# alias: let the line-wrapping be sane
AP = argparse.ArgumentParser
# format our own help
parser = AP(description='Ceph administration tool', add_help=False)
parser.add_argument('--completion', action='store_true',
help=argparse.SUPPRESS)
parser.add_argument('-h', '--help', help='request mon help',
action='store_true')
parser.add_argument('-c', '--conf', dest='cephconf',
help='ceph configuration file')
parser.add_argument('-i', '--in-file', dest='input_file',
help='input file, or "-" for stdin')
parser.add_argument('-o', '--out-file', dest='output_file',
help='output file, or "-" for stdout')
parser.add_argument('--setuser', dest='setuser',
help='set user file permission')
parser.add_argument('--setgroup', dest='setgroup',
help='set group file permission')
parser.add_argument('--id', '--user', dest='client_id',
help='client id for authentication')
parser.add_argument('--name', '-n', dest='client_name',
help='client name for authentication')
parser.add_argument('--cluster', help='cluster name')
parser.add_argument('--admin-daemon', dest='admin_socket',
help='submit admin-socket commands (\"help\" for help')
parser.add_argument('-s', '--status', action='store_true',
help='show cluster status')
parser.add_argument('-w', '--watch', action='store_true',
help='watch live cluster changes')
parser.add_argument('--watch-debug', action='store_true',
help='watch debug events')
parser.add_argument('--watch-info', action='store_true',
help='watch info events')
parser.add_argument('--watch-sec', action='store_true',
help='watch security events')
parser.add_argument('--watch-warn', action='store_true',
help='watch warn events')
parser.add_argument('--watch-error', action='store_true',
help='watch error events')
parser.add_argument('-W', '--watch-channel', dest="watch_channel",
help="watch live cluster changes on a specific channel "
"(e.g., cluster, audit, cephadm, or '*' for all)")
parser.add_argument('--version', '-v', action="store_true", help="display version")
parser.add_argument('--verbose', action="store_true", help="make verbose")
parser.add_argument('--concise', dest='verbose', action="store_false",
help="make less verbose")
parser.add_argument('-f', '--format', choices=['json', 'json-pretty',
'xml', 'xml-pretty', 'plain', 'yaml'], dest='output_format')
parser.add_argument('--connect-timeout', dest='cluster_timeout',
type=int,
help='set a timeout for connecting to the cluster')
parser.add_argument('--block', action='store_true',
help='block until completion (scrub and deep-scrub only)')
parser.add_argument('--period', '-p', default=1, type=float,
help='polling period, default 1.0 second (for ' \
'polling commands only)')
# returns a Namespace with the parsed args, and a list of all extras
parsed_args, extras = parser.parse_known_args(args)
return parser, parsed_args, extras
def hdr(s):
print('\n', s, '\n', '=' * len(s))
def do_basic_help(parser, args):
"""
Print basic parser help
If the cluster is available, get and print monitor help
"""
hdr('General usage:')
parser.print_help()
print_locally_handled_command_help()
def print_locally_handled_command_help():
hdr("Local commands:")
print("""
ping <mon.id> Send simple presence/life test to a mon
<mon.id> may be 'mon.*' for all mons
daemon {type.id|path} <cmd>
Same as --admin-daemon, but auto-find admin socket
daemonperf {type.id | path} [stat-pats] [priority] [<interval>] [<count>]
daemonperf {type.id | path} list|ls [stat-pats] [priority]
Get selected perf stats from daemon/admin socket
Optional shell-glob comma-delim match string stat-pats
Optional selection priority (can abbreviate name):
critical, interesting, useful, noninteresting, debug
List shows a table of all available stats
Run <count> times (default forever),
once per <interval> seconds (default 1)
""", file=sys.stdout)
def do_extended_help(parser, args, target, partial):
def help_for_sigs(sigs, partial=None):
try:
sys.stdout.write(format_help(parse_json_funcsigs(sigs, 'cli'),
partial=partial))
except BrokenPipeError:
pass
def help_for_target(target, partial=None):
# wait for osdmap because we know this is sent after the mgrmap
# and monmap (it's alphabetical).
cluster_handle.wait_for_latest_osdmap()
ret, outbuf, outs = json_command(cluster_handle, target=target,
prefix='get_command_descriptions',
timeout=10)
if ret:
if (ret == -errno.EPERM or ret == -errno.EACCES) and target[0] in ('osd', 'mds'):
print("Permission denied. Check that your user has 'allow *' "
"capabilities for the target daemon type.", file=sys.stderr)
elif ret == -errno.EPERM:
print("Permission denied. Check your user has proper "
"capabilities configured", file=sys.stderr)
else:
print("couldn't get command descriptions for {0}: {1} ({2})".
format(target, outs, ret), file=sys.stderr)
return ret
else:
return help_for_sigs(outbuf.decode('utf-8'), partial)
assert(cluster_handle.state == "connected")
return help_for_target(target, partial)
DONTSPLIT = string.ascii_letters + '{[<>]}'
def wrap(s, width, indent):
"""
generator to transform s into a sequence of strings width or shorter,
for wrapping text to a specific column width.
Attempt to break on anything but DONTSPLIT characters.
indent is amount to indent 2nd-through-nth lines.
so "long string long string long string" width=11 indent=1 becomes
'long string', ' long string', ' long string' so that it can be printed
as
long string
long string
long string
Consumes s.
"""
result = ''
leader = ''
while len(s):
if len(s) <= width:
# no splitting; just possibly indent
result = leader + s
s = ''
yield result
else:
splitpos = width
while (splitpos > 0) and (s[splitpos-1] in DONTSPLIT):
splitpos -= 1
if splitpos == 0:
splitpos = width
if result:
# prior result means we're mid-iteration, indent
result = leader
else:
# first time, set leader and width for next
leader = ' ' * indent
width -= 1 # for subsequent space additions
# remove any leading spaces in this chunk of s
result += s[:splitpos].lstrip()
s = s[splitpos:]
yield result
def format_help(cmddict, partial=None):
"""
Formats all the cmdsigs and helptexts from cmddict into a sorted-by-
cmdsig 2-column display, with each column wrapped and indented to
fit into (terminal_width / 2) characters.
"""
fullusage = ''
for cmd in sorted(cmddict.values(), key=descsort_key):
if not cmd['help']:
continue
flags = cmd.get('flags', 0)
if flags & (Flag.OBSOLETE | Flag.DEPRECATED | Flag.HIDDEN):
continue
concise = concise_sig(cmd['sig'])
if partial and not concise.startswith(partial):
continue
width = Termsize().cols - 1 # 1 for the line between sig and help
sig_width = int(width / 2)
# make sure width == sig_width + help_width, even (width % 2 > 0)
help_width = int(width / 2) + (width % 2)
siglines = [l for l in wrap(concise, sig_width, 1)]
helplines = [l for l in wrap(cmd['help'], help_width, 1)]
# make lists the same length
maxlen = max(len(siglines), len(helplines))
siglines.extend([''] * (maxlen - len(siglines)))
helplines.extend([''] * (maxlen - len(helplines)))
# so we can zip them for output
for s, h in zip(siglines, helplines):
fullusage += '{s:{w}s} {h}\n'.format(s=s, h=h, w=sig_width)
return fullusage
def ceph_conf(parsed_args, field, name):
args = ['ceph-conf']
if name:
args.extend(['--name', name])
# add any args in GLOBAL_ARGS
for key, val in GLOBAL_ARGS.items():
# ignore name in favor of argument name, if any
if name and key == 'client_name':
continue
if getattr(parsed_args, key):
args.extend([val, getattr(parsed_args, key)])
args.extend(['--show-config-value', field])
p = subprocess.Popen(
args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
outdata, errdata = p.communicate()
if p.returncode != 0:
raise RuntimeError('unable to get conf option %s for %s: %s' % (field, name, errdata))
return outdata.rstrip()
PROMPT = 'ceph> '
if sys.stdin.isatty():
def read_input():
while True:
line = input(PROMPT).rstrip()
if line in ['q', 'quit', 'Q', 'exit']:
return None
if line:
return line
else:
def read_input():
while True:
line = sys.stdin.readline()
if not line:
return None
line = line.rstrip()
if line:
return line
def do_command(parsed_args, target, cmdargs, sigdict, inbuf, verbose):
''' Validate a command, and handle the polling flag '''
valid_dict = validate_command(sigdict, cmdargs, verbose)
# Validate input args against list of sigs
if valid_dict:
if parsed_args.output_format:
valid_dict['format'] = parsed_args.output_format
if verbose:
print("Submitting command: ", valid_dict, file=sys.stderr)
else:
return -errno.EINVAL, '', 'invalid command'
next_header_print = 0
# Set extra options for polling commands only:
if valid_dict.get('poll', False):
valid_dict['width'] = Termsize().cols
while True:
try:
# Only print the header for polling commands
if next_header_print == 0 and valid_dict.get('poll', False):
valid_dict['print_header'] = True
next_header_print = Termsize().rows - 3
next_header_print -= 1
ret, outbuf, outs = json_command(cluster_handle, target=target,
argdict=valid_dict, inbuf=inbuf, verbose=verbose)
if valid_dict.get('poll', False):
valid_dict['print_header'] = False
if not valid_dict.get('poll', False):
# Don't print here if it's not a polling command
break
if ret:
ret = abs(ret)
print('Error: {0} {1}'.format(ret, errno.errorcode.get(ret, 'Unknown')),
file=sys.stderr)
break
if outbuf:
print(outbuf.decode('utf-8'))
if outs:
print(outs, file=sys.stderr)
if parsed_args.period <= 0:
break
sleep(parsed_args.period)
except KeyboardInterrupt:
print('Interrupted')
return errno.EINTR, '', ''
if ret == errno.ETIMEDOUT:
ret = -ret
if not outs:
outs = ("Connection timed out. Please check the client's " +
"permission and connection.")
return ret, outbuf, outs
def new_style_command(parsed_args, cmdargs, target, sigdict, inbuf, verbose):
"""
Do new-style command dance.
target: daemon to receive command: mon (any) or osd.N
sigdict - the parsed output from the new monitor describing commands
inbuf - any -i input file data
verbose - bool
"""
if verbose:
for cmdtag in sorted(sigdict.keys()):
cmd = sigdict[cmdtag]
sig = cmd['sig']
print('{0}: {1}'.format(cmdtag, concise_sig(sig)))
if True:
if cmdargs:
# Non interactive mode
ret, outbuf, outs = do_command(parsed_args, target, cmdargs, sigdict, inbuf, verbose)
else:
# Interactive mode (ceph cli)
if sys.stdin.isatty():
# do the command-interpreter looping
# for input to do readline cmd editing
import readline # noqa
while True:
try:
interactive_input = read_input()
except EOFError:
# leave user an uncluttered prompt
return 0, '\n', ''
if interactive_input is None:
return 0, '', ''
cmdargs = parse_cmdargs(shlex.split(interactive_input))[2]
try:
target = find_cmd_target(cmdargs)
except Exception as e:
print('error handling command target: {0}'.format(e),
file=sys.stderr)
continue
if len(cmdargs) and cmdargs[0] == 'tell':
print('Can not use \'tell\' in interactive mode.',
file=sys.stderr)
continue
ret, outbuf, outs = do_command(parsed_args, target, cmdargs,
sigdict, inbuf, verbose)
if ret < 0:
ret = -ret
errstr = errno.errorcode.get(ret, 'Unknown')
print(u'Error {0}: {1}'.format(errstr, outs), file=sys.stderr)
else:
if outs:
print(outs, file=sys.stderr)
if outbuf:
print(outbuf.decode('utf-8'))
return ret, outbuf, outs
def complete(sigdict, args, target):
"""
Command completion. Match as much of [args] as possible,
and print every possible match separated by newlines.
Return exitcode.
"""
# XXX this looks a lot like the front of validate_command(). Refactor?
# Repulsive hack to handle tell: lop off 'tell' and target
# and validate the rest of the command. 'target' is already
# determined in our callers, so it's ok to remove it here.
if len(args) and args[0] == 'tell':
args = args[2:]
# look for best match, accumulate possibles in bestcmds
# (so we can maybe give a more-useful error message)
match_count = 0
comps = []
for cmdtag, cmd in sigdict.items():
flags = cmd.get('flags', 0)
if flags & (Flag.OBSOLETE | Flag.HIDDEN):
continue
sig = cmd['sig']
j = 0
# iterate over all arguments, except last one
for arg in args[0:-1]:
if j > len(sig)-1:
# an out of argument definitions
break
found_match = arg in sig[j].complete(arg)
if not found_match and sig[j].req:
# no elements that match
break
if not sig[j].N:
j += 1
else:
# successfully matched all - except last one - arguments
if j < len(sig) and len(args) > 0:
comps += sig[j].complete(args[-1])
match_count += 1
match_cmd = cmd
if match_count == 1 and len(comps) == 0:
# only one command matched and no hints yet => add help
comps = comps + [' ', '#'+match_cmd['help']]
print('\n'.join(sorted(set(comps))))
return 0
def ping_monitor(cluster_handle, name, timeout):
if 'mon.' not in name:
print('"ping" expects a monitor to ping; try "ping mon.<id>"', file=sys.stderr)
return 1
mon_id = name[len('mon.'):]
if mon_id == '*':
run_in_thread(cluster_handle.connect, timeout=timeout)
for m in monids():
s = run_in_thread(cluster_handle.ping_monitor, m)
if s is None:
print("mon.{0}".format(m) + '\n' + "Error connecting to monitor.")
else:
print("mon.{0}".format(m) + '\n' + s)
else:
s = run_in_thread(cluster_handle.ping_monitor, mon_id)
print(s)
return 0
def maybe_daemon_command(parsed_args, childargs):
"""
Check if --admin-socket, daemon, or daemonperf command
if it is, returns (boolean handled, return code if handled == True)
"""
daemon_perf = False
sockpath = None
if parsed_args.admin_socket:
sockpath = parsed_args.admin_socket
elif len(childargs) > 0 and childargs[0] in ["daemon", "daemonperf"]:
daemon_perf = (childargs[0] == "daemonperf")
# Treat "daemon <path>" or "daemon <name>" like --admin_daemon <path>
# Handle "daemonperf <path>" the same but requires no trailing args
require_args = 2 if daemon_perf else 3
if len(childargs) >= require_args:
if childargs[1].find('/') >= 0:
sockpath = childargs[1]
else:
# try resolve daemon name
try:
sockpath = ceph_conf(parsed_args, 'admin_socket',
childargs[1])
except Exception as e:
print('Can\'t get admin socket path: ' + str(e), file=sys.stderr)
return True, errno.EINVAL
# for both:
childargs = childargs[2:]
else:
print('{0} requires at least {1} arguments'.format(childargs[0], require_args),
file=sys.stderr)
return True, errno.EINVAL
if sockpath and daemon_perf:
return True, daemonperf(childargs, sockpath)
elif sockpath:
try:
raw_write(admin_socket(sockpath, childargs, parsed_args.output_format))
except Exception as e:
print('admin_socket: {0}'.format(e), file=sys.stderr)
return True, errno.EINVAL
return True, 0
return False, 0
def isnum(s):
try:
float(s)
return True
except ValueError:
return False
def daemonperf(childargs, sockpath):
"""
Handle daemonperf command; returns errno or 0
daemonperf <daemon> [priority string] [statpats] [interval] [count]
daemonperf <daemon> list|ls [statpats]
"""
interval = 1
count = None
statpats = None
priority = None
do_list = False
def prio_from_name(arg):
PRIOMAP = {
'critical': PRIO_CRITICAL,
'interesting': PRIO_INTERESTING,
'useful': PRIO_USEFUL,
'uninteresting': PRIO_UNINTERESTING,
'debugonly': PRIO_DEBUGONLY,
}
if arg in PRIOMAP:
return PRIOMAP[arg]
# allow abbreviation
for name, val in PRIOMAP.items():
if name.startswith(arg):
return val
return None
# consume and analyze non-numeric args
while len(childargs) and not isnum(childargs[0]):
arg = childargs.pop(0)
# 'list'?
if arg in ['list', 'ls']:
do_list = True
continue
# prio?
prio = prio_from_name(arg)
if prio is not None:
priority = prio
continue
# statpats
statpats = arg.split(',')
if priority is None:
priority = PRIO_DEFAULT
if len(childargs) > 0:
try:
interval = float(childargs.pop(0))
if interval < 0:
raise ValueError
except ValueError:
print('daemonperf: interval should be a positive number', file=sys.stderr)
return errno.EINVAL
if len(childargs) > 0:
arg = childargs.pop(0)
if (not isnum(arg)) or (int(arg) < 0):
print('daemonperf: count should be a positive integer', file=sys.stderr)
return errno.EINVAL
count = int(arg)
watcher = DaemonWatcher(sockpath, statpats, priority)
if do_list:
watcher.list()
else:
watcher.run(interval, count)
return 0
def get_scrub_timestamps(childargs):
last_scrub_stamp = "last_" + childargs[1].replace('-', '_') + "_stamp"
results = dict()
scruball = False
if childargs[2] in ['all', 'any', '*']:
scruball = True
devnull = open(os.devnull, 'w')
out = subprocess.check_output(['ceph', 'pg', 'dump', '--format=json-pretty'],
stderr=devnull)
try:
pgstats = json.loads(out)['pg_map']['pg_stats']
except KeyError:
pgstats = json.loads(out)['pg_stats']
for stat in pgstats:
if scruball or stat['up_primary'] == int(childargs[2]):
scrub_tuple = (stat['up_primary'], stat[last_scrub_stamp])
results[stat['pgid']] = scrub_tuple
return results
def check_scrub_stamps(waitdata, currdata):
for pg in waitdata.keys():
# Try to handle the case where a pg may not exist in current results
if pg in currdata and waitdata[pg][1] == currdata[pg][1]:
return False
return True
def waitscrub(childargs, waitdata):
print(u'Waiting for {0} to complete...'.format(childargs[1]), file=sys.stdout)
currdata = get_scrub_timestamps(childargs)
while not check_scrub_stamps(waitdata, currdata):
time.sleep(3)
currdata = get_scrub_timestamps(childargs)
print(u'{0} completed'.format(childargs[1]), file=sys.stdout)
def wait(childargs, waitdata):
if childargs[1] in ['scrub', 'deep-scrub']:
waitscrub(childargs, waitdata)
def main():
ceph_args = os.environ.get('CEPH_ARGS')
if ceph_args:
if "injectargs" in sys.argv:
i = sys.argv.index("injectargs")
sys.argv = sys.argv[:i] + ceph_args.split() + sys.argv[i:]
else:
sys.argv.extend([arg for arg in ceph_args.split()
if '--admin-socket' not in arg])
parser, parsed_args, childargs = parse_cmdargs()
if parsed_args.version:
print('ceph version {0} ({1}) {2} ({3})'.format(
CEPH_GIT_NICE_VER,
CEPH_GIT_VER,
CEPH_RELEASE_NAME,
CEPH_RELEASE_TYPE)) # noqa
return 0
# --watch-channel|-W implies -w
if parsed_args.watch_channel:
parsed_args.watch = True
elif parsed_args.watch and not parsed_args.watch_channel:
parsed_args.watch_channel = 'cluster'
global verbose
verbose = parsed_args.verbose
if verbose:
print("parsed_args: {0}, childargs: {1}".format(parsed_args, childargs), file=sys.stderr)
# pass on --id, --name, --conf
name = 'client.admin'
if parsed_args.client_id:
name = 'client.' + parsed_args.client_id
if parsed_args.client_name:
name = parsed_args.client_name
# default '' means default conf search
conffile = ''
if parsed_args.cephconf:
conffile = parsed_args.cephconf
# For now, --admin-daemon is handled as usual. Try it
# first in case we can't connect() to the cluster
done, ret = maybe_daemon_command(parsed_args, childargs)
if done:
return ret
timeout = None
if parsed_args.cluster_timeout:
timeout = parsed_args.cluster_timeout
# basic help
if parsed_args.help:
do_basic_help(parser, childargs)
# handle any 'generic' ceph arguments that we didn't parse here
global cluster_handle
# rados.Rados() will call rados_create2, and then read the conf file,
# and then set the keys from the dict. So we must do these
# "pre-file defaults" first (see common_preinit in librados)
conf_defaults = {
'log_to_stderr': 'true',
'err_to_stderr': 'true',
'log_flush_on_exit': 'true',
}
if 'injectargs' in childargs:
position = childargs.index('injectargs')
injectargs = childargs[position:]
childargs = childargs[:position]
if verbose:
print('Separate childargs {0} from injectargs {1}'.format(childargs, injectargs),
file=sys.stderr)
else:
injectargs = None
clustername = None
if parsed_args.cluster:
clustername = parsed_args.cluster
try:
cluster_handle = run_in_thread(rados.Rados,
name=name, clustername=clustername,
conf_defaults=conf_defaults,
conffile=conffile)
retargs = run_in_thread(cluster_handle.conf_parse_argv, childargs)
except rados.Error as e:
print('Error initializing cluster client: {0!r}'.format(e), file=sys.stderr)
return 1
childargs = retargs
if not childargs:
childargs = []
# -- means "stop parsing args", but we don't want to see it either
if '--' in childargs:
childargs.remove('--')
if injectargs and '--' in injectargs:
injectargs.remove('--')
block = False
waitdata = dict()
if parsed_args.block:
if (len(childargs) >= 2 and
childargs[0] == 'osd' and
childargs[1] in ['deep-scrub', 'scrub']):
block = True
waitdata = get_scrub_timestamps(childargs)
if parsed_args.help:
# short default timeout for -h
if not timeout:
timeout = 5
if childargs and childargs[0] == 'ping' and not parsed_args.help:
if len(childargs) < 2:
print('"ping" requires a monitor name as argument: "ping mon.<id>"', file=sys.stderr)
return 1
if parsed_args.completion:
# for completion let timeout be really small
timeout = 3
try:
if childargs and childargs[0] == 'ping' and not parsed_args.help:
return ping_monitor(cluster_handle, childargs[1], timeout)
result = run_in_thread(cluster_handle.connect, timeout=timeout)
if type(result) is tuple and result[0] == -errno.EINTR:
print('Cluster connection interrupted or timed out', file=sys.stderr)
return 1
except KeyboardInterrupt:
print('Cluster connection aborted', file=sys.stderr)
return 1
except rados.PermissionDeniedError as e:
print(str(e), file=sys.stderr)
return errno.EACCES
except Exception as e:
print(str(e), file=sys.stderr)
return 1
if parsed_args.help:
target = None
if len(childargs) >= 2 and childargs[0] == 'tell':
target = childargs[1].split('.', 1)
if not validate_target(target):
print('target {0} doesn\'t exist; please pass correct target to tell command (e.g., mon.a, osd.1, mds.a, mgr)'.format(childargs[1]), file=sys.stderr)
return 1
childargs = childargs[2:]
hdr('Tell %s commands:' % target[0])
else:
hdr('Monitor commands:')
target = ('mon', '')
if verbose:
print('[Contacting monitor, timeout after %d seconds]' % timeout)
return do_extended_help(parser, childargs, target, ' '.join(childargs))
# implement "tell service.id help"
if len(childargs) >= 3 and childargs[0] == 'tell' and childargs[2] == 'help':
target = childargs[1].split('.', 1)
if validate_target(target):
hdr('Tell %s commands' % target[0])
return do_extended_help(parser, childargs, target, None)
else:
print('target {0} doesn\'t exists, please pass correct target to tell command, such as mon.a/'
'osd.1/mds.a/mgr'.format(childargs[1]), file=sys.stderr)
return 1
# implement -w/--watch_*
# This is ugly, but Namespace() isn't quite rich enough.
level = ''
for k, v in parsed_args._get_kwargs():
if k.startswith('watch') and v:
if k == 'watch':
level = 'info'
elif k != "watch_channel":
level = k.replace('watch_', '')
if level:
# an awfully simple callback
def watch_cb(arg, line, channel, name, who, stamp_sec, stamp_nsec, seq, level, msg):
# Filter on channel
if sys.version_info[0] >= 3:
channel = channel.decode('utf-8')
if (channel == parsed_args.watch_channel or \
parsed_args.watch_channel == "*"):
print(line.decode('utf-8'))
sys.stdout.flush()
# first do a ceph status
ret, outbuf, outs = json_command(cluster_handle, prefix='status')
if ret:
print("status query failed: ", outs, file=sys.stderr)
return ret
print(outbuf.decode('utf-8'))
# this instance keeps the watch connection alive, but is
# otherwise unused
run_in_thread(cluster_handle.monitor_log2, level, watch_cb, 0)
# loop forever letting watch_cb print lines
try:
signal.pause()
except KeyboardInterrupt:
# or until ^C, at least
return 0
# read input file, if any
inbuf = b''
if parsed_args.input_file:
try:
if parsed_args.input_file == '-':
inbuf = sys.stdin.read()
else:
with open(parsed_args.input_file, 'rb') as f:
inbuf = f.read()
except Exception as e:
print('Can\'t open input file {0}: {1}'.format(parsed_args.input_file, e), file=sys.stderr)
return 1
# prepare output file, if any
if parsed_args.output_file:
try:
if parsed_args.output_file == '-':
outf = raw_stdout
else:
outf = open(parsed_args.output_file, 'wb')
except Exception as e:
print('Can\'t open output file {0}: {1}'.format(parsed_args.output_file, e), file=sys.stderr)
return 1
if parsed_args.setuser:
try:
ownerid = pwd.getpwnam(parsed_args.setuser).pw_uid
os.fchown(outf.fileno(), ownerid, -1)
except OSError as e:
print('Failed to change user ownership of {0} to {1}: {2}'.format(outf, parsed_args.setuser, e))
return 1
if parsed_args.setgroup:
try:
groupid = grp.getgrnam(parsed_args.setgroup).gr_gid
os.fchown(outf.fileno(), -1, groupid)
except OSError as e:
print('Failed to change group ownership of {0} to {1}: {2}'.format(outf, parsed_args.setgroup, e))
return 1
# -s behaves like a command (ceph status).
if parsed_args.status:
childargs.insert(0, 'status')
try:
target = find_cmd_target(childargs)
except Exception as e:
print('error handling command target: {0}'.format(e), file=sys.stderr)
return 1
# Repulsive hack to handle tell: lop off 'tell' and target
# and validate the rest of the command. 'target' is already
# determined in our callers, so it's ok to remove it here.
is_tell = False
if len(childargs) and childargs[0] == 'tell':
childargs = childargs[2:]
is_tell = True
if is_tell:
if injectargs:
childargs = injectargs
if not len(childargs):
print('"{0} tell" requires additional arguments.'.format(sys.argv[0]),
'Try "{0} tell <name> <command> [options...]" instead.'.format(sys.argv[0]),
file=sys.stderr)
return errno.EINVAL
# fetch JSON sigs from command
# each line contains one command signature (a placeholder name
# of the form 'cmdNNN' followed by an array of argument descriptors)
# as part of the validated argument JSON object
if target[1] == '*':
service = target[0]
targets = [(service, o) for o in ids_by_service(service)]
else:
targets = [target]
final_ret = 0
for target in targets:
# prettify? prefix output with target, if there was a wildcard used
prefix = ''
suffix = ''
if not parsed_args.output_file and len(targets) > 1:
prefix = '{0}.{1}: '.format(*target)
suffix = '\n'
ret, outbuf, outs = json_command(cluster_handle, target=target,
prefix='get_command_descriptions')
if ret:
where = '{0}.{1}'.format(*target)
if ret > 0:
raise RuntimeError('Unexpected return code from {0}: {1}'.
format(where, ret))
outs = 'problem getting command descriptions from {0}'.format(where)
else:
sigdict = parse_json_funcsigs(outbuf.decode('utf-8'), 'cli')
if parsed_args.completion:
return complete(sigdict, childargs, target)
ret, outbuf, outs = new_style_command(parsed_args, childargs,
target, sigdict, inbuf,
verbose)
# debug tool: send any successful command *again* to
# verify that it is idempotent.
if not ret and 'CEPH_CLI_TEST_DUP_COMMAND' in os.environ:
ret, outbuf, outs = new_style_command(parsed_args, childargs,
target, sigdict, inbuf,
verbose)
if ret < 0:
ret = -ret
print(prefix +
'Second attempt of previously successful command '
'failed with {0}: {1}'.format(
errno.errorcode.get(ret, 'Unknown'), outs),
file=sys.stderr)
if ret < 0:
ret = -ret
errstr = errno.errorcode.get(ret, 'Unknown')
print(u'Error {0}: {1}'.format(errstr, outs), file=sys.stderr)
if len(targets) > 1:
final_ret = ret
else:
return ret
if outs:
print(prefix + outs, file=sys.stderr)
sys.stdout.flush()
if parsed_args.output_file:
outf.write(outbuf)
else:
# hack: old code printed status line before many json outputs
# (osd dump, etc.) that consumers know to ignore. Add blank line
# to satisfy consumers that skip the first line, but not annoy
# consumers that don't.
if parsed_args.output_format and \
parsed_args.output_format.startswith('json'):
print()
# if we are prettifying things, normalize newlines. sigh.
if suffix:
outbuf = outbuf.rstrip()
if outbuf:
try:
print(prefix, end='')
# Write directly to binary stdout
raw_write(outbuf)
print(suffix, end='')
except IOError as e:
if e.errno != errno.EPIPE:
raise e
try:
sys.stdout.flush()
except IOError as e:
if e.errno != errno.EPIPE:
raise e
# Block until command completion (currently scrub and deep_scrub only)
if block:
wait(childargs, waitdata)
if parsed_args.output_file and parsed_args.output_file != '-':
outf.close()
if final_ret:
return final_ret
return 0
if __name__ == '__main__':
try:
retval = main()
# shutdown explicitly; Rados() does not
if retval == 0 and cluster_handle:
run_in_thread(cluster_handle.shutdown)
except KeyboardInterrupt:
print('Interrupted')
retval = errno.EINTR
if retval:
# flush explicitly because we aren't exiting in the usual way
sys.stdout.flush()
sys.stderr.flush()
os._exit(retval)
else:
sys.exit(retval)
Mini Shell