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ceph/qa/tasks/ceph_manager.py
Patrick Donnelly 77bf36fa5a
qa: stop overriding ceph_w prefix in vstart_runner 
These tools are now available in the $PATH so it's no longer necessary
to remove them.

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
2023-08-01 11:16:28 -04:00

3236 lines
121 KiB
Python
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"""
ceph manager -- Thrasher and CephManager objects
"""
from functools import wraps
import contextlib
import errno
import random
import signal
import time
import gevent
import base64
import json
import logging
import threading
import traceback
import os
import shlex
from io import BytesIO, StringIO
from subprocess import DEVNULL
from teuthology import misc as teuthology
from tasks.scrub import Scrubber
from tasks.util.rados import cmd_erasure_code_profile
from tasks.util import get_remote
from teuthology.contextutil import safe_while
from teuthology.orchestra.remote import Remote
from teuthology.orchestra import run
from teuthology.parallel import parallel
from teuthology.exceptions import CommandFailedError
from tasks.thrasher import Thrasher
DEFAULT_CONF_PATH = '/etc/ceph/ceph.conf'
log = logging.getLogger(__name__)
# this is for cephadm clusters
def shell(ctx, cluster_name, remote, args, name=None, **kwargs):
extra_args = []
if name:
extra_args = ['-n', name]
return remote.run(
args=[
'sudo',
ctx.cephadm,
'--image', ctx.ceph[cluster_name].image,
'shell',
] + extra_args + [
'--fsid', ctx.ceph[cluster_name].fsid,
'--',
] + args,
**kwargs
)
# this is for rook clusters
def toolbox(ctx, cluster_name, args, **kwargs):
return ctx.rook[cluster_name].remote.run(
args=[
'kubectl',
'-n', 'rook-ceph',
'exec',
ctx.rook[cluster_name].toolbox,
'--',
] + args,
**kwargs
)
def write_conf(ctx, conf_path=DEFAULT_CONF_PATH, cluster='ceph'):
conf_fp = BytesIO()
ctx.ceph[cluster].conf.write(conf_fp)
conf_fp.seek(0)
writes = ctx.cluster.run(
args=[
'sudo', 'mkdir', '-p', '/etc/ceph', run.Raw('&&'),
'sudo', 'chmod', '0755', '/etc/ceph', run.Raw('&&'),
'sudo', 'tee', conf_path, run.Raw('&&'),
'sudo', 'chmod', '0644', conf_path,
run.Raw('>'), '/dev/null',
],
stdin=run.PIPE,
wait=False)
teuthology.feed_many_stdins_and_close(conf_fp, writes)
run.wait(writes)
def get_valgrind_args(testdir, name, preamble, v, exit_on_first_error=True, cd=True):
"""
Build a command line for running valgrind.
testdir - test results directory
name - name of daemon (for naming hte log file)
preamble - stuff we should run before valgrind
v - valgrind arguments
"""
if v is None:
return preamble
if not isinstance(v, list):
v = [v]
# https://tracker.ceph.com/issues/44362
preamble.extend([
'env', 'OPENSSL_ia32cap=~0x1000000000000000',
])
val_path = '/var/log/ceph/valgrind'
if '--tool=memcheck' in v or '--tool=helgrind' in v:
extra_args = [
'valgrind',
'--trace-children=no',
'--child-silent-after-fork=yes',
'--soname-synonyms=somalloc=*tcmalloc*',
'--num-callers=50',
'--suppressions={tdir}/valgrind.supp'.format(tdir=testdir),
'--xml=yes',
'--xml-file={vdir}/{n}.log'.format(vdir=val_path, n=name),
'--time-stamp=yes',
'--vgdb=yes',
]
else:
extra_args = [
'valgrind',
'--trace-children=no',
'--child-silent-after-fork=yes',
'--soname-synonyms=somalloc=*tcmalloc*',
'--suppressions={tdir}/valgrind.supp'.format(tdir=testdir),
'--log-file={vdir}/{n}.log'.format(vdir=val_path, n=name),
'--time-stamp=yes',
'--vgdb=yes',
]
if exit_on_first_error:
extra_args.extend([
# at least Valgrind 3.14 is required
'--exit-on-first-error=yes',
'--error-exitcode=42',
])
args = []
if cd:
args += ['cd', testdir, run.Raw('&&')]
args += preamble + extra_args + v
log.debug('running %s under valgrind with args %s', name, args)
return args
def mount_osd_data(ctx, remote, cluster, osd):
"""
Mount a remote OSD
:param ctx: Context
:param remote: Remote site
:param cluster: name of ceph cluster
:param osd: Osd name
"""
log.debug('Mounting data for osd.{o} on {r}'.format(o=osd, r=remote))
role = "{0}.osd.{1}".format(cluster, osd)
alt_role = role if cluster != 'ceph' else "osd.{0}".format(osd)
if remote in ctx.disk_config.remote_to_roles_to_dev:
if alt_role in ctx.disk_config.remote_to_roles_to_dev[remote]:
role = alt_role
if role not in ctx.disk_config.remote_to_roles_to_dev[remote]:
return
dev = ctx.disk_config.remote_to_roles_to_dev[remote][role]
mount_options = ctx.disk_config.\
remote_to_roles_to_dev_mount_options[remote][role]
fstype = ctx.disk_config.remote_to_roles_to_dev_fstype[remote][role]
mnt = os.path.join('/var/lib/ceph/osd', '{0}-{1}'.format(cluster, osd))
log.info('Mounting osd.{o}: dev: {n}, cluster: {c}'
'mountpoint: {p}, type: {t}, options: {v}'.format(
o=osd, n=remote.name, p=mnt, t=fstype, v=mount_options,
c=cluster))
remote.run(
args=[
'sudo',
'mount',
'-t', fstype,
'-o', ','.join(mount_options),
dev,
mnt,
]
)
def log_exc(func):
@wraps(func)
def wrapper(self):
try:
return func(self)
except:
self.log(traceback.format_exc())
raise
return wrapper
class PoolType:
REPLICATED = 1
ERASURE_CODED = 3
class OSDThrasher(Thrasher):
"""
Object used to thrash Ceph
"""
def __init__(self, manager, config, name, logger):
super(OSDThrasher, self).__init__()
self.ceph_manager = manager
self.cluster = manager.cluster
self.ceph_manager.wait_for_clean()
osd_status = self.ceph_manager.get_osd_status()
self.in_osds = osd_status['in']
self.live_osds = osd_status['live']
self.out_osds = osd_status['out']
self.dead_osds = osd_status['dead']
self.stopping = False
self.logger = logger
self.config = config
self.name = name
self.revive_timeout = self.config.get("revive_timeout", 360)
self.pools_to_fix_pgp_num = set()
if self.config.get('powercycle'):
self.revive_timeout += 120
self.clean_wait = self.config.get('clean_wait', 0)
self.minin = self.config.get("min_in", 4)
self.chance_move_pg = self.config.get('chance_move_pg', 1.0)
self.sighup_delay = self.config.get('sighup_delay')
self.optrack_toggle_delay = self.config.get('optrack_toggle_delay')
self.dump_ops_enable = self.config.get('dump_ops_enable')
self.noscrub_toggle_delay = self.config.get('noscrub_toggle_delay')
self.chance_thrash_cluster_full = self.config.get('chance_thrash_cluster_full', .05)
self.chance_thrash_pg_upmap = self.config.get('chance_thrash_pg_upmap', 1.0)
self.chance_thrash_pg_upmap_items = self.config.get('chance_thrash_pg_upmap', 1.0)
self.random_eio = self.config.get('random_eio')
self.chance_force_recovery = self.config.get('chance_force_recovery', 0.3)
num_osds = self.in_osds + self.out_osds
self.max_pgs = self.config.get("max_pgs_per_pool_osd", 1200) * len(num_osds)
self.min_pgs = self.config.get("min_pgs_per_pool_osd", 1) * len(num_osds)
if self.config is None:
self.config = dict()
# prevent monitor from auto-marking things out while thrasher runs
# try both old and new tell syntax, in case we are testing old code
self.saved_options = []
# assuming that the default settings do not vary from one daemon to
# another
first_mon = teuthology.get_first_mon(manager.ctx, self.config).split('.')
opts = [('mon', 'mon_osd_down_out_interval', 0)]
#why do we disable marking an OSD out automatically? :/
for service, opt, new_value in opts:
old_value = manager.get_config(first_mon[0],
first_mon[1],
opt)
self.saved_options.append((service, opt, old_value))
manager.inject_args(service, '*', opt, new_value)
# initialize ceph_objectstore_tool property - must be done before
# do_thrash is spawned - http://tracker.ceph.com/issues/18799
if (self.config.get('powercycle') or
not self.cmd_exists_on_osds("ceph-objectstore-tool") or
self.config.get('disable_objectstore_tool_tests', False)):
self.ceph_objectstore_tool = False
if self.config.get('powercycle'):
self.log("Unable to test ceph-objectstore-tool, "
"powercycle testing")
else:
self.log("Unable to test ceph-objectstore-tool, "
"not available on all OSD nodes")
else:
self.ceph_objectstore_tool = \
self.config.get('ceph_objectstore_tool', True)
# spawn do_thrash
self.thread = gevent.spawn(self.do_thrash)
if self.sighup_delay:
self.sighup_thread = gevent.spawn(self.do_sighup)
if self.optrack_toggle_delay:
self.optrack_toggle_thread = gevent.spawn(self.do_optrack_toggle)
if self.dump_ops_enable == "true":
self.dump_ops_thread = gevent.spawn(self.do_dump_ops)
if self.noscrub_toggle_delay:
self.noscrub_toggle_thread = gevent.spawn(self.do_noscrub_toggle)
def log(self, msg, *args, **kwargs):
self.logger.info(msg, *args, **kwargs)
def cmd_exists_on_osds(self, cmd):
if self.ceph_manager.cephadm or self.ceph_manager.rook:
return True
allremotes = self.ceph_manager.ctx.cluster.only(\
teuthology.is_type('osd', self.cluster)).remotes.keys()
allremotes = list(set(allremotes))
for remote in allremotes:
proc = remote.run(args=['type', cmd], wait=True,
check_status=False, stdout=BytesIO(),
stderr=BytesIO())
if proc.exitstatus != 0:
return False;
return True;
def run_ceph_objectstore_tool(self, remote, osd, cmd):
if self.ceph_manager.cephadm:
return shell(
self.ceph_manager.ctx, self.ceph_manager.cluster, remote,
args=['ceph-objectstore-tool', '--err-to-stderr'] + cmd,
name=osd,
wait=True, check_status=False,
stdout=StringIO(),
stderr=StringIO())
elif self.ceph_manager.rook:
assert False, 'not implemented'
else:
return remote.run(
args=['sudo', 'adjust-ulimits', 'ceph-objectstore-tool', '--err-to-stderr'] + cmd,
wait=True, check_status=False,
stdout=StringIO(),
stderr=StringIO())
def run_ceph_bluestore_tool(self, remote, osd, cmd):
if self.ceph_manager.cephadm:
return shell(
self.ceph_manager.ctx, self.ceph_manager.cluster, remote,
args=['ceph-bluestore-tool', '--err-to-stderr'] + cmd,
name=osd,
wait=True, check_status=False,
stdout=StringIO(),
stderr=StringIO())
elif self.ceph_manager.rook:
assert False, 'not implemented'
else:
return remote.run(
args=['sudo', 'ceph-bluestore-tool', '--err-to-stderr'] + cmd,
wait=True, check_status=False,
stdout=StringIO(),
stderr=StringIO())
def kill_osd(self, osd=None, mark_down=False, mark_out=False):
"""
:param osd: Osd to be killed.
:mark_down: Mark down if true.
:mark_out: Mark out if true.
"""
if osd is None:
osd = random.choice(self.live_osds)
self.log("Killing osd %s, live_osds are %s" % (str(osd),
str(self.live_osds)))
self.live_osds.remove(osd)
self.dead_osds.append(osd)
self.ceph_manager.kill_osd(osd)
if mark_down:
self.ceph_manager.mark_down_osd(osd)
if mark_out and osd in self.in_osds:
self.out_osd(osd)
if self.ceph_objectstore_tool:
self.log("Testing ceph-objectstore-tool on down osd.%s" % osd)
remote = self.ceph_manager.find_remote('osd', osd)
FSPATH = self.ceph_manager.get_filepath()
JPATH = os.path.join(FSPATH, "journal")
exp_osd = imp_osd = osd
self.log('remote for osd %s is %s' % (osd, remote))
exp_remote = imp_remote = remote
# If an older osd is available we'll move a pg from there
if (len(self.dead_osds) > 1 and
random.random() < self.chance_move_pg):
exp_osd = random.choice(self.dead_osds[:-1])
exp_remote = self.ceph_manager.find_remote('osd', exp_osd)
self.log('remote for exp osd %s is %s' % (exp_osd, exp_remote))
prefix = [
'--no-mon-config',
'--log-file=/var/log/ceph/objectstore_tool.$pid.log',
]
if self.ceph_manager.rook:
assert False, 'not implemented'
if not self.ceph_manager.cephadm:
# ceph-objectstore-tool might be temporarily absent during an
# upgrade - see http://tracker.ceph.com/issues/18014
with safe_while(sleep=15, tries=40, action="type ceph-objectstore-tool") as proceed:
while proceed():
proc = exp_remote.run(args=['type', 'ceph-objectstore-tool'],
wait=True, check_status=False, stdout=BytesIO(),
stderr=BytesIO())
if proc.exitstatus == 0:
break
log.debug("ceph-objectstore-tool binary not present, trying again")
# ceph-objectstore-tool might bogusly fail with "OSD has the store locked"
# see http://tracker.ceph.com/issues/19556
with safe_while(sleep=15, tries=40, action="ceph-objectstore-tool --op list-pgs") as proceed:
while proceed():
proc = self.run_ceph_objectstore_tool(
exp_remote, 'osd.%s' % exp_osd,
prefix + [
'--data-path', FSPATH.format(id=exp_osd),
'--journal-path', JPATH.format(id=exp_osd),
'--op', 'list-pgs',
])
if proc.exitstatus == 0:
break
elif (proc.exitstatus == 1 and
proc.stderr.getvalue() == "OSD has the store locked"):
continue
else:
raise Exception("ceph-objectstore-tool: "
"exp list-pgs failure with status {ret}".
format(ret=proc.exitstatus))
pgs = proc.stdout.getvalue().split('\n')[:-1]
if len(pgs) == 0:
self.log("No PGs found for osd.{osd}".format(osd=exp_osd))
return
pg = random.choice(pgs)
#exp_path = teuthology.get_testdir(self.ceph_manager.ctx)
#exp_path = os.path.join(exp_path, '{0}.data'.format(self.cluster))
exp_path = os.path.join('/var/log/ceph', # available inside 'shell' container
"exp.{pg}.{id}".format(
pg=pg,
id=exp_osd))
if self.ceph_manager.cephadm:
exp_host_path = os.path.join(
'/var/log/ceph',
self.ceph_manager.ctx.ceph[self.ceph_manager.cluster].fsid,
"exp.{pg}.{id}".format(
pg=pg,
id=exp_osd))
else:
exp_host_path = exp_path
# export
# Can't use new export-remove op since this is part of upgrade testing
proc = self.run_ceph_objectstore_tool(
exp_remote, 'osd.%s' % exp_osd,
prefix + [
'--data-path', FSPATH.format(id=exp_osd),
'--journal-path', JPATH.format(id=exp_osd),
'--op', 'export',
'--pgid', pg,
'--file', exp_path,
])
if proc.exitstatus:
raise Exception("ceph-objectstore-tool: "
"export failure with status {ret}".
format(ret=proc.exitstatus))
# remove
proc = self.run_ceph_objectstore_tool(
exp_remote, 'osd.%s' % exp_osd,
prefix + [
'--data-path', FSPATH.format(id=exp_osd),
'--journal-path', JPATH.format(id=exp_osd),
'--force',
'--op', 'remove',
'--pgid', pg,
])
if proc.exitstatus:
raise Exception("ceph-objectstore-tool: "
"remove failure with status {ret}".
format(ret=proc.exitstatus))
# If there are at least 2 dead osds we might move the pg
if exp_osd != imp_osd:
# If pg isn't already on this osd, then we will move it there
proc = self.run_ceph_objectstore_tool(
imp_remote,
'osd.%s' % imp_osd,
prefix + [
'--data-path', FSPATH.format(id=imp_osd),
'--journal-path', JPATH.format(id=imp_osd),
'--op', 'list-pgs',
])
if proc.exitstatus:
raise Exception("ceph-objectstore-tool: "
"imp list-pgs failure with status {ret}".
format(ret=proc.exitstatus))
pgs = proc.stdout.getvalue().split('\n')[:-1]
if pg not in pgs:
self.log("Moving pg {pg} from osd.{fosd} to osd.{tosd}".
format(pg=pg, fosd=exp_osd, tosd=imp_osd))
if imp_remote != exp_remote:
# Copy export file to the other machine
self.log("Transfer export file from {srem} to {trem}".
format(srem=exp_remote, trem=imp_remote))
# just in case an upgrade make /var/log/ceph unreadable by non-root,
exp_remote.run(args=['sudo', 'chmod', '777',
'/var/log/ceph'])
imp_remote.run(args=['sudo', 'chmod', '777',
'/var/log/ceph'])
tmpexport = Remote.get_file(exp_remote, exp_host_path,
sudo=True)
if exp_host_path != exp_path:
# push to /var/log/ceph, then rename (we can't
# chmod 777 the /var/log/ceph/$fsid mountpoint)
Remote.put_file(imp_remote, tmpexport, exp_path)
imp_remote.run(args=[
'sudo', 'mv', exp_path, exp_host_path])
else:
Remote.put_file(imp_remote, tmpexport, exp_host_path)
os.remove(tmpexport)
else:
# Can't move the pg after all
imp_osd = exp_osd
imp_remote = exp_remote
# import
proc = self.run_ceph_objectstore_tool(
imp_remote, 'osd.%s' % imp_osd,
[
'--data-path', FSPATH.format(id=imp_osd),
'--journal-path', JPATH.format(id=imp_osd),
'--log-file=/var/log/ceph/objectstore_tool.$pid.log',
'--op', 'import',
'--file', exp_path,
])
if proc.exitstatus == 1:
bogosity = "The OSD you are using is older than the exported PG"
if bogosity in proc.stderr.getvalue():
self.log("OSD older than exported PG"
"...ignored")
elif proc.exitstatus == 10:
self.log("Pool went away before processing an import"
"...ignored")
elif proc.exitstatus == 11:
self.log("Attempt to import an incompatible export"
"...ignored")
elif proc.exitstatus == 12:
# this should be safe to ignore because we only ever move 1
# copy of the pg at a time, and merge is only initiated when
# all replicas are peered and happy. /me crosses fingers
self.log("PG merged on target"
"...ignored")
elif proc.exitstatus:
raise Exception("ceph-objectstore-tool: "
"import failure with status {ret}".
format(ret=proc.exitstatus))
cmd = "sudo rm -f {file}".format(file=exp_host_path)
exp_remote.run(args=cmd)
if imp_remote != exp_remote:
imp_remote.run(args=cmd)
def blackhole_kill_osd(self, osd=None):
"""
If all else fails, kill the osd.
:param osd: Osd to be killed.
"""
if osd is None:
osd = random.choice(self.live_osds)
self.log("Blackholing and then killing osd %s, live_osds are %s" %
(str(osd), str(self.live_osds)))
self.live_osds.remove(osd)
self.dead_osds.append(osd)
self.ceph_manager.blackhole_kill_osd(osd)
def revive_osd(self, osd=None, skip_admin_check=False):
"""
Revive the osd.
:param osd: Osd to be revived.
"""
if osd is None:
osd = random.choice(self.dead_osds)
self.log("Reviving osd %s" % (str(osd),))
self.ceph_manager.revive_osd(
osd,
self.revive_timeout,
skip_admin_check=skip_admin_check)
self.dead_osds.remove(osd)
self.live_osds.append(osd)
if self.random_eio > 0 and osd == self.rerrosd:
self.ceph_manager.set_config(self.rerrosd,
filestore_debug_random_read_err = self.random_eio)
self.ceph_manager.set_config(self.rerrosd,
bluestore_debug_random_read_err = self.random_eio)
def out_osd(self, osd=None):
"""
Mark the osd out
:param osd: Osd to be marked.
"""
if osd is None:
osd = random.choice(self.in_osds)
self.log("Removing osd %s, in_osds are: %s" %
(str(osd), str(self.in_osds)))
self.ceph_manager.mark_out_osd(osd)
self.in_osds.remove(osd)
self.out_osds.append(osd)
def in_osd(self, osd=None):
"""
Mark the osd out
:param osd: Osd to be marked.
"""
if osd is None:
osd = random.choice(self.out_osds)
if osd in self.dead_osds:
return self.revive_osd(osd)
self.log("Adding osd %s" % (str(osd),))
self.out_osds.remove(osd)
self.in_osds.append(osd)
self.ceph_manager.mark_in_osd(osd)
self.log("Added osd %s" % (str(osd),))
def reweight_osd_or_by_util(self, osd=None):
"""
Reweight an osd that is in
:param osd: Osd to be marked.
"""
if osd is not None or random.choice([True, False]):
if osd is None:
osd = random.choice(self.in_osds)
val = random.uniform(.1, 1.0)
self.log("Reweighting osd %s to %s" % (str(osd), str(val)))
self.ceph_manager.raw_cluster_cmd('osd', 'reweight',
str(osd), str(val))
else:
# do it several times, the option space is large
for i in range(5):
options = {
'max_change': random.choice(['0.05', '1.0', '3.0']),
'overage': random.choice(['110', '1000']),
'type': random.choice([
'reweight-by-utilization',
'test-reweight-by-utilization']),
}
self.log("Reweighting by: %s"%(str(options),))
self.ceph_manager.raw_cluster_cmd(
'osd',
options['type'],
options['overage'],
options['max_change'])
def primary_affinity(self, osd=None):
self.log("primary_affinity")
if osd is None:
osd = random.choice(self.in_osds)
if random.random() >= .5:
pa = random.random()
elif random.random() >= .5:
pa = 1
else:
pa = 0
self.log('Setting osd %s primary_affinity to %f' % (str(osd), pa))
self.ceph_manager.raw_cluster_cmd('osd', 'primary-affinity',
str(osd), str(pa))
def thrash_cluster_full(self):
"""
Set and unset cluster full condition
"""
self.log('Setting full ratio to .001')
self.ceph_manager.raw_cluster_cmd('osd', 'set-full-ratio', '.001')
time.sleep(1)
self.log('Setting full ratio back to .95')
self.ceph_manager.raw_cluster_cmd('osd', 'set-full-ratio', '.95')
def thrash_pg_upmap(self):
"""
Install or remove random pg_upmap entries in OSDMap
"""
self.log("thrash_pg_upmap")
from random import shuffle
out = self.ceph_manager.raw_cluster_cmd('osd', 'dump', '-f', 'json-pretty')
j = json.loads(out)
self.log('j is %s' % j)
try:
if random.random() >= .3:
pgs = self.ceph_manager.get_pg_stats()
if not pgs:
self.log('No pgs; doing nothing')
return
pg = random.choice(pgs)
pgid = str(pg['pgid'])
poolid = int(pgid.split('.')[0])
sizes = [x['size'] for x in j['pools'] if x['pool'] == poolid]
if len(sizes) == 0:
self.log('No pools; doing nothing')
return
n = sizes[0]
osds = self.in_osds + self.out_osds
shuffle(osds)
osds = osds[0:n]
self.log('Setting %s to %s' % (pgid, osds))
cmd = ['osd', 'pg-upmap', pgid] + [str(x) for x in osds]
self.log('cmd %s' % cmd)
self.ceph_manager.raw_cluster_cmd(*cmd)
else:
m = j['pg_upmap']
if len(m) > 0:
shuffle(m)
pg = m[0]['pgid']
self.log('Clearing pg_upmap on %s' % pg)
self.ceph_manager.raw_cluster_cmd(
'osd',
'rm-pg-upmap',
pg)
else:
self.log('No pg_upmap entries; doing nothing')
except CommandFailedError:
self.log('Failed to rm-pg-upmap, ignoring')
def thrash_pg_upmap_items(self):
"""
Install or remove random pg_upmap_items entries in OSDMap
"""
self.log("thrash_pg_upmap_items")
from random import shuffle
out = self.ceph_manager.raw_cluster_cmd('osd', 'dump', '-f', 'json-pretty')
j = json.loads(out)
self.log('j is %s' % j)
try:
if random.random() >= .3:
pgs = self.ceph_manager.get_pg_stats()
if not pgs:
self.log('No pgs; doing nothing')
return
pg = random.choice(pgs)
pgid = str(pg['pgid'])
poolid = int(pgid.split('.')[0])
sizes = [x['size'] for x in j['pools'] if x['pool'] == poolid]
if len(sizes) == 0:
self.log('No pools; doing nothing')
return
n = sizes[0]
osds = self.in_osds + self.out_osds
shuffle(osds)
osds = osds[0:n*2]
self.log('Setting %s to %s' % (pgid, osds))
cmd = ['osd', 'pg-upmap-items', pgid] + [str(x) for x in osds]
self.log('cmd %s' % cmd)
self.ceph_manager.raw_cluster_cmd(*cmd)
else:
m = j['pg_upmap_items']
if len(m) > 0:
shuffle(m)
pg = m[0]['pgid']
self.log('Clearing pg_upmap on %s' % pg)
self.ceph_manager.raw_cluster_cmd(
'osd',
'rm-pg-upmap-items',
pg)
else:
self.log('No pg_upmap entries; doing nothing')
except CommandFailedError:
self.log('Failed to rm-pg-upmap-items, ignoring')
def force_recovery(self):
"""
Force recovery on some of PGs
"""
backfill = random.random() >= 0.5
j = self.ceph_manager.get_pgids_to_force(backfill)
if j:
try:
if backfill:
self.ceph_manager.raw_cluster_cmd('pg', 'force-backfill', *j)
else:
self.ceph_manager.raw_cluster_cmd('pg', 'force-recovery', *j)
except CommandFailedError:
self.log('Failed to force backfill|recovery, ignoring')
def cancel_force_recovery(self):
"""
Force recovery on some of PGs
"""
backfill = random.random() >= 0.5
j = self.ceph_manager.get_pgids_to_cancel_force(backfill)
if j:
try:
if backfill:
self.ceph_manager.raw_cluster_cmd('pg', 'cancel-force-backfill', *j)
else:
self.ceph_manager.raw_cluster_cmd('pg', 'cancel-force-recovery', *j)
except CommandFailedError:
self.log('Failed to force backfill|recovery, ignoring')
def force_cancel_recovery(self):
"""
Force or cancel forcing recovery
"""
if random.random() >= 0.4:
self.force_recovery()
else:
self.cancel_force_recovery()
def all_up(self):
"""
Make sure all osds are up and not out.
"""
while len(self.dead_osds) > 0:
self.log("reviving osd")
self.revive_osd()
while len(self.out_osds) > 0:
self.log("inning osd")
self.in_osd()
def all_up_in(self):
"""
Make sure all osds are up and fully in.
"""
self.all_up();
for osd in self.live_osds:
self.ceph_manager.raw_cluster_cmd('osd', 'reweight',
str(osd), str(1))
self.ceph_manager.raw_cluster_cmd('osd', 'primary-affinity',
str(osd), str(1))
def do_join(self):
"""
Break out of this Ceph loop
"""
self.stopping = True
self.thread.get()
if self.sighup_delay:
self.log("joining the do_sighup greenlet")
self.sighup_thread.get()
if self.optrack_toggle_delay:
self.log("joining the do_optrack_toggle greenlet")
self.optrack_toggle_thread.join()
if self.dump_ops_enable == "true":
self.log("joining the do_dump_ops greenlet")
self.dump_ops_thread.join()
if self.noscrub_toggle_delay:
self.log("joining the do_noscrub_toggle greenlet")
self.noscrub_toggle_thread.join()
def grow_pool(self):
"""
Increase the size of the pool
"""
pool = self.ceph_manager.get_pool()
if pool is None:
return
self.log("Growing pool %s" % (pool,))
if self.ceph_manager.expand_pool(pool,
self.config.get('pool_grow_by', 10),
self.max_pgs):
self.pools_to_fix_pgp_num.add(pool)
def shrink_pool(self):
"""
Decrease the size of the pool
"""
pool = self.ceph_manager.get_pool()
if pool is None:
return
_ = self.ceph_manager.get_pool_pg_num(pool)
self.log("Shrinking pool %s" % (pool,))
if self.ceph_manager.contract_pool(
pool,
self.config.get('pool_shrink_by', 10),
self.min_pgs):
self.pools_to_fix_pgp_num.add(pool)
def fix_pgp_num(self, pool=None):
"""
Fix number of pgs in pool.
"""
if pool is None:
pool = self.ceph_manager.get_pool()
if not pool:
return
force = False
else:
force = True
self.log("fixing pg num pool %s" % (pool,))
if self.ceph_manager.set_pool_pgpnum(pool, force):
self.pools_to_fix_pgp_num.discard(pool)
def test_pool_min_size(self):
"""
Loop to selectively push PGs below their min_size and test that recovery
still occurs.
"""
self.log("test_pool_min_size")
self.all_up()
time.sleep(60) # buffer time for recovery to start.
self.ceph_manager.wait_for_recovery(
timeout=self.config.get('timeout')
)
minout = int(self.config.get("min_out", 1))
minlive = int(self.config.get("min_live", 2))
mindead = int(self.config.get("min_dead", 1))
self.log("doing min_size thrashing")
self.ceph_manager.wait_for_clean(timeout=180)
assert self.ceph_manager.is_clean(), \
'not clean before minsize thrashing starts'
while not self.stopping:
# look up k and m from all the pools on each loop, in case it
# changes as the cluster runs
k = 0
m = 99
has_pools = False
pools_json = self.ceph_manager.get_osd_dump_json()['pools']
for pool_json in pools_json:
pool = pool_json['pool_name']
has_pools = True
pool_type = pool_json['type'] # 1 for rep, 3 for ec
min_size = pool_json['min_size']
self.log("pool {pool} min_size is {min_size}".format(pool=pool,min_size=min_size))
try:
ec_profile = self.ceph_manager.get_pool_property(pool, 'erasure_code_profile')
if pool_type != PoolType.ERASURE_CODED:
continue
ec_profile = pool_json['erasure_code_profile']
ec_profile_json = self.ceph_manager.raw_cluster_cmd(
'osd',
'erasure-code-profile',
'get',
ec_profile,
'--format=json')
ec_json = json.loads(ec_profile_json)
local_k = int(ec_json['k'])
local_m = int(ec_json['m'])
self.log("pool {pool} local_k={k} local_m={m}".format(pool=pool,
k=local_k, m=local_m))
if local_k > k:
self.log("setting k={local_k} from previous {k}".format(local_k=local_k, k=k))
k = local_k
if local_m < m:
self.log("setting m={local_m} from previous {m}".format(local_m=local_m, m=m))
m = local_m
except CommandFailedError:
self.log("failed to read erasure_code_profile. %s was likely removed", pool)
continue
if has_pools :
self.log("using k={k}, m={m}".format(k=k,m=m))
else:
self.log("No pools yet, waiting")
time.sleep(5)
continue
if minout > len(self.out_osds): # kill OSDs and mark out
self.log("forced to out an osd")
self.kill_osd(mark_out=True)
continue
elif mindead > len(self.dead_osds): # kill OSDs but force timeout
self.log("forced to kill an osd")
self.kill_osd()
continue
else: # make mostly-random choice to kill or revive OSDs
minup = max(minlive, k)
rand_val = random.uniform(0, 1)
self.log("choosing based on number of live OSDs and rand val {rand}".\
format(rand=rand_val))
if len(self.live_osds) > minup+1 and rand_val < 0.5:
# chose to knock out as many OSDs as we can w/out downing PGs
most_killable = min(len(self.live_osds) - minup, m)
self.log("chose to kill {n} OSDs".format(n=most_killable))
for i in range(1, most_killable):
self.kill_osd(mark_out=True)
time.sleep(10)
# try a few times since there might be a concurrent pool
# creation or deletion
with safe_while(
sleep=25, tries=5,
action='check for active or peered') as proceed:
while proceed():
if self.ceph_manager.all_active_or_peered():
break
self.log('not all PGs are active or peered')
else: # chose to revive OSDs, bring up a random fraction of the dead ones
self.log("chose to revive osds")
for i in range(1, int(rand_val * len(self.dead_osds))):
self.revive_osd(i)
# let PGs repair themselves or our next knockout might kill one
self.ceph_manager.wait_for_clean(timeout=self.config.get('timeout'))
# / while not self.stopping
self.all_up_in()
self.ceph_manager.wait_for_recovery(
timeout=self.config.get('timeout')
)
def inject_pause(self, conf_key, duration, check_after, should_be_down):
"""
Pause injection testing. Check for osd being down when finished.
"""
the_one = random.choice(self.live_osds)
self.log("inject_pause on osd.{osd}".format(osd=the_one))
self.log(
"Testing {key} pause injection for duration {duration}".format(
key=conf_key,
duration=duration
))
self.log(
"Checking after {after}, should_be_down={shouldbedown}".format(
after=check_after,
shouldbedown=should_be_down
))
self.ceph_manager.set_config(the_one, **{conf_key: duration})
if not should_be_down:
return
time.sleep(check_after)
status = self.ceph_manager.get_osd_status()
assert the_one in status['down']
time.sleep(duration - check_after + 20)
status = self.ceph_manager.get_osd_status()
assert not the_one in status['down']
def test_backfill_full(self):
"""
Test backfills stopping when the replica fills up.
First, use injectfull admin command to simulate a now full
osd by setting it to 0 on all of the OSDs.
Second, on a random subset, set
osd_debug_skip_full_check_in_backfill_reservation to force
the more complicated check in do_scan to be exercised.
Then, verify that all backfillings stop.
"""
self.log("injecting backfill full")
for i in self.live_osds:
self.ceph_manager.set_config(
i,
osd_debug_skip_full_check_in_backfill_reservation=
random.choice(['false', 'true']))
self.ceph_manager.osd_admin_socket(i, command=['injectfull', 'backfillfull'],
check_status=True, timeout=30, stdout=DEVNULL)
for i in range(30):
status = self.ceph_manager.compile_pg_status()
if 'backfilling' not in status.keys():
break
self.log(
"waiting for {still_going} backfillings".format(
still_going=status.get('backfilling')))
time.sleep(1)
assert('backfilling' not in self.ceph_manager.compile_pg_status().keys())
for i in self.live_osds:
self.ceph_manager.set_config(
i,
osd_debug_skip_full_check_in_backfill_reservation='false')
self.ceph_manager.osd_admin_socket(i, command=['injectfull', 'none'],
check_status=True, timeout=30, stdout=DEVNULL)
def generate_random_sharding(self):
prefixes = [
'm','O','P','L'
]
new_sharding = ''
for prefix in prefixes:
choose = random.choice([False, True])
if not choose:
continue
if new_sharding != '':
new_sharding = new_sharding + ' '
columns = random.randint(1, 5)
do_hash = random.choice([False, True])
if do_hash:
low_hash = random.choice([0, 5, 8])
do_high_hash = random.choice([False, True])
if do_high_hash:
high_hash = random.choice([8, 16, 30]) + low_hash
new_sharding = new_sharding + prefix + '(' + str(columns) + ',' + str(low_hash) + '-' + str(high_hash) + ')'
else:
new_sharding = new_sharding + prefix + '(' + str(columns) + ',' + str(low_hash) + '-)'
else:
if columns == 1:
new_sharding = new_sharding + prefix
else:
new_sharding = new_sharding + prefix + '(' + str(columns) + ')'
return new_sharding
def test_bluestore_reshard_action(self):
"""
Test if resharding of bluestore works properly.
If bluestore is not used, or bluestore is in version that
does not support sharding, skip.
"""
osd = random.choice(self.dead_osds)
remote = self.ceph_manager.find_remote('osd', osd)
FSPATH = self.ceph_manager.get_filepath()
prefix = [
'--no-mon-config',
'--log-file=/var/log/ceph/bluestore_tool.$pid.log',
'--log-level=10',
'--path', FSPATH.format(id=osd)
]
# sanity check if bluestore-tool accessible
self.log('checking if target objectstore is bluestore on osd.%s' % osd)
cmd = prefix + [
'show-label'
]
proc = self.run_ceph_bluestore_tool(remote, 'osd.%s' % osd, cmd)
if proc.exitstatus != 0:
raise Exception("ceph-bluestore-tool access failed.")
# check if sharding is possible
self.log('checking if target bluestore supports sharding on osd.%s' % osd)
cmd = prefix + [
'show-sharding'
]
proc = self.run_ceph_bluestore_tool(remote, 'osd.%s' % osd, cmd)
if proc.exitstatus != 0:
self.log("Unable to test resharding, "
"ceph-bluestore-tool does not support it.")
return
# now go for reshard to something else
self.log('applying new sharding to bluestore on osd.%s' % osd)
new_sharding = self.config.get('bluestore_new_sharding','random')
if new_sharding == 'random':
self.log('generate random sharding')
new_sharding = self.generate_random_sharding()
self.log("applying new sharding: " + new_sharding)
cmd = prefix + [
'--sharding', new_sharding,
'reshard'
]
proc = self.run_ceph_bluestore_tool(remote, 'osd.%s' % osd, cmd)
if proc.exitstatus != 0:
raise Exception("ceph-bluestore-tool resharding failed.")
# now do fsck to
self.log('running fsck to verify new sharding on osd.%s' % osd)
cmd = prefix + [
'fsck'
]
proc = self.run_ceph_bluestore_tool(remote, 'osd.%s' % osd, cmd)
if proc.exitstatus != 0:
raise Exception("ceph-bluestore-tool fsck failed.")
self.log('resharding successfully completed')
def test_bluestore_reshard(self):
"""
1) kills an osd
2) reshards bluestore on killed osd
3) revives the osd
"""
self.log('test_bluestore_reshard started')
self.kill_osd(mark_down=True, mark_out=True)
self.test_bluestore_reshard_action()
self.revive_osd()
self.log('test_bluestore_reshard completed')
def test_map_discontinuity(self):
"""
1) Allows the osds to recover
2) kills an osd
3) allows the remaining osds to recover
4) waits for some time
5) revives the osd
This sequence should cause the revived osd to have to handle
a map gap since the mons would have trimmed
"""
self.log("test_map_discontinuity")
while len(self.in_osds) < (self.minin + 1):
self.in_osd()
self.log("Waiting for recovery")
self.ceph_manager.wait_for_all_osds_up(
timeout=self.config.get('timeout')
)
# now we wait 20s for the pg status to change, if it takes longer,
# the test *should* fail!
time.sleep(20)
self.ceph_manager.wait_for_clean(
timeout=self.config.get('timeout')
)
# now we wait 20s for the backfill replicas to hear about the clean
time.sleep(20)
self.log("Recovered, killing an osd")
self.kill_osd(mark_down=True, mark_out=True)
self.log("Waiting for clean again")
self.ceph_manager.wait_for_clean(
timeout=self.config.get('timeout')
)
self.log("Waiting for trim")
time.sleep(int(self.config.get("map_discontinuity_sleep_time", 40)))
self.revive_osd()
def choose_action(self):
"""
Random action selector.
"""
chance_down = self.config.get('chance_down', 0.4)
_ = self.config.get('chance_test_min_size', 0)
chance_test_backfill_full = \
self.config.get('chance_test_backfill_full', 0)
if isinstance(chance_down, int):
chance_down = float(chance_down) / 100
minin = self.minin
minout = int(self.config.get("min_out", 0))
minlive = int(self.config.get("min_live", 2))
mindead = int(self.config.get("min_dead", 0))
self.log('choose_action: min_in %d min_out '
'%d min_live %d min_dead %d '
'chance_down %.2f' %
(minin, minout, minlive, mindead, chance_down))
actions = []
if len(self.in_osds) > minin:
actions.append((self.out_osd, 1.0,))
if len(self.live_osds) > minlive and chance_down > 0:
actions.append((self.kill_osd, chance_down,))
if len(self.out_osds) > minout:
actions.append((self.in_osd, 1.7,))
if len(self.dead_osds) > mindead:
actions.append((self.revive_osd, 1.0,))
if self.config.get('thrash_primary_affinity', True):
actions.append((self.primary_affinity, 1.0,))
actions.append((self.reweight_osd_or_by_util,
self.config.get('reweight_osd', .5),))
actions.append((self.grow_pool,
self.config.get('chance_pgnum_grow', 0),))
actions.append((self.shrink_pool,
self.config.get('chance_pgnum_shrink', 0),))
actions.append((self.fix_pgp_num,
self.config.get('chance_pgpnum_fix', 0),))
actions.append((self.test_pool_min_size,
self.config.get('chance_test_min_size', 0),))
actions.append((self.test_backfill_full,
chance_test_backfill_full,))
if self.chance_thrash_cluster_full > 0:
actions.append((self.thrash_cluster_full, self.chance_thrash_cluster_full,))
if self.chance_thrash_pg_upmap > 0:
actions.append((self.thrash_pg_upmap, self.chance_thrash_pg_upmap,))
if self.chance_thrash_pg_upmap_items > 0:
actions.append((self.thrash_pg_upmap_items, self.chance_thrash_pg_upmap_items,))
if self.chance_force_recovery > 0:
actions.append((self.force_cancel_recovery, self.chance_force_recovery))
for key in ['heartbeat_inject_failure', 'filestore_inject_stall']:
for scenario in [
(lambda:
self.inject_pause(key,
self.config.get('pause_short', 3),
0,
False),
self.config.get('chance_inject_pause_short', 1),),
(lambda:
self.inject_pause(key,
self.config.get('pause_long', 80),
self.config.get('pause_check_after', 70),
True),
self.config.get('chance_inject_pause_long', 0),)]:
actions.append(scenario)
# only consider resharding if objectstore is bluestore
cluster_name = self.ceph_manager.cluster
cluster = self.ceph_manager.ctx.ceph[cluster_name]
if cluster.conf.get('osd', {}).get('osd objectstore', 'bluestore') == 'bluestore':
actions.append((self.test_bluestore_reshard,
self.config.get('chance_bluestore_reshard', 0),))
total = sum([y for (x, y) in actions])
val = random.uniform(0, total)
for (action, prob) in actions:
if val < prob:
return action
val -= prob
return None
def do_thrash(self):
"""
_do_thrash() wrapper.
"""
try:
self._do_thrash()
except Exception as e:
# See _run exception comment for MDSThrasher
self.set_thrasher_exception(e)
self.logger.exception("exception:")
# Allow successful completion so gevent doesn't see an exception.
# The DaemonWatchdog will observe the error and tear down the test.
@log_exc
def do_sighup(self):
"""
Loops and sends signal.SIGHUP to a random live osd.
Loop delay is controlled by the config value sighup_delay.
"""
delay = float(self.sighup_delay)
self.log("starting do_sighup with a delay of {0}".format(delay))
while not self.stopping:
osd = random.choice(self.live_osds)
self.ceph_manager.signal_osd(osd, signal.SIGHUP, silent=True)
time.sleep(delay)
@log_exc
def do_optrack_toggle(self):
"""
Loops and toggle op tracking to all osds.
Loop delay is controlled by the config value optrack_toggle_delay.
"""
delay = float(self.optrack_toggle_delay)
osd_state = "true"
self.log("starting do_optrack_toggle with a delay of {0}".format(delay))
while not self.stopping:
if osd_state == "true":
osd_state = "false"
else:
osd_state = "true"
try:
self.ceph_manager.inject_args('osd', '*',
'osd_enable_op_tracker',
osd_state)
except CommandFailedError:
self.log('Failed to tell all osds, ignoring')
gevent.sleep(delay)
@log_exc
def do_dump_ops(self):
"""
Loops and does op dumps on all osds
"""
self.log("starting do_dump_ops")
while not self.stopping:
for osd in self.live_osds:
# Ignore errors because live_osds is in flux
self.ceph_manager.osd_admin_socket(osd, command=['dump_ops_in_flight'],
check_status=False, timeout=30, stdout=DEVNULL)
self.ceph_manager.osd_admin_socket(osd, command=['dump_blocked_ops'],
check_status=False, timeout=30, stdout=DEVNULL)
self.ceph_manager.osd_admin_socket(osd, command=['dump_historic_ops'],
check_status=False, timeout=30, stdout=DEVNULL)
gevent.sleep(0)
@log_exc
def do_noscrub_toggle(self):
"""
Loops and toggle noscrub flags
Loop delay is controlled by the config value noscrub_toggle_delay.
"""
delay = float(self.noscrub_toggle_delay)
scrub_state = "none"
self.log("starting do_noscrub_toggle with a delay of {0}".format(delay))
while not self.stopping:
if scrub_state == "none":
self.ceph_manager.raw_cluster_cmd('osd', 'set', 'noscrub')
scrub_state = "noscrub"
elif scrub_state == "noscrub":
self.ceph_manager.raw_cluster_cmd('osd', 'set', 'nodeep-scrub')
scrub_state = "both"
elif scrub_state == "both":
self.ceph_manager.raw_cluster_cmd('osd', 'unset', 'noscrub')
scrub_state = "nodeep-scrub"
else:
self.ceph_manager.raw_cluster_cmd('osd', 'unset', 'nodeep-scrub')
scrub_state = "none"
gevent.sleep(delay)
self.ceph_manager.raw_cluster_cmd('osd', 'unset', 'noscrub')
self.ceph_manager.raw_cluster_cmd('osd', 'unset', 'nodeep-scrub')
@log_exc
def _do_thrash(self):
"""
Loop to select random actions to thrash ceph manager with.
"""
cleanint = self.config.get("clean_interval", 60)
scrubint = self.config.get("scrub_interval", -1)
maxdead = self.config.get("max_dead", 0)
delay = self.config.get("op_delay", 5)
self.rerrosd = self.live_osds[0]
if self.random_eio > 0:
self.ceph_manager.inject_args('osd', self.rerrosd,
'filestore_debug_random_read_err',
self.random_eio)
self.ceph_manager.inject_args('osd', self.rerrosd,
'bluestore_debug_random_read_err',
self.random_eio)
self.log("starting do_thrash")
while not self.stopping:
to_log = [str(x) for x in ["in_osds: ", self.in_osds,
"out_osds: ", self.out_osds,
"dead_osds: ", self.dead_osds,
"live_osds: ", self.live_osds]]
self.log(" ".join(to_log))
if random.uniform(0, 1) < (float(delay) / cleanint):
while len(self.dead_osds) > maxdead:
self.revive_osd()
for osd in self.in_osds:
self.ceph_manager.raw_cluster_cmd('osd', 'reweight',
str(osd), str(1))
if random.uniform(0, 1) < float(
self.config.get('chance_test_map_discontinuity', 0)) \
and len(self.live_osds) > 5: # avoid m=2,k=2 stall, w/ some buffer for crush being picky
self.test_map_discontinuity()
else:
self.ceph_manager.wait_for_recovery(
timeout=self.config.get('timeout')
)
time.sleep(self.clean_wait)
if scrubint > 0:
if random.uniform(0, 1) < (float(delay) / scrubint):
self.log('Scrubbing while thrashing being performed')
Scrubber(self.ceph_manager, self.config)
self.choose_action()()
time.sleep(delay)
self.all_up()
if self.random_eio > 0:
self.ceph_manager.inject_args('osd', self.rerrosd,
'filestore_debug_random_read_err', '0.0')
self.ceph_manager.inject_args('osd', self.rerrosd,
'bluestore_debug_random_read_err', '0.0')
for pool in list(self.pools_to_fix_pgp_num):
if self.ceph_manager.get_pool_pg_num(pool) > 0:
self.fix_pgp_num(pool)
self.pools_to_fix_pgp_num.clear()
for service, opt, saved_value in self.saved_options:
self.ceph_manager.inject_args(service, '*', opt, saved_value)
self.saved_options = []
self.all_up_in()
class ObjectStoreTool:
def __init__(self, manager, pool, **kwargs):
self.manager = manager
self.pool = pool
self.osd = kwargs.get('osd', None)
self.object_name = kwargs.get('object_name', None)
self.do_revive = kwargs.get('do_revive', True)
if self.osd and self.pool and self.object_name:
if self.osd == "primary":
self.osd = self.manager.get_object_primary(self.pool,
self.object_name)
assert self.osd is not None
if self.object_name:
self.pgid = self.manager.get_object_pg_with_shard(self.pool,
self.object_name,
self.osd)
self.remote = next(iter(self.manager.ctx.\
cluster.only('osd.{o}'.format(o=self.osd)).remotes.keys()))
path = self.manager.get_filepath().format(id=self.osd)
self.paths = ("--data-path {path} --journal-path {path}/journal".
format(path=path))
def build_cmd(self, options, args, stdin):
lines = []
if self.object_name:
lines.append("object=$(sudo adjust-ulimits ceph-objectstore-tool "
"{paths} --pgid {pgid} --op list |"
"grep '\"oid\":\"{name}\"')".
format(paths=self.paths,
pgid=self.pgid,
name=self.object_name))
args = '"$object" ' + args
options += " --pgid {pgid}".format(pgid=self.pgid)
cmd = ("sudo adjust-ulimits ceph-objectstore-tool {paths} {options} {args}".
format(paths=self.paths,
args=args,
options=options))
if stdin:
cmd = ("echo {payload} | base64 --decode | {cmd}".
format(payload=base64.encode(stdin),
cmd=cmd))
lines.append(cmd)
return "\n".join(lines)
def run(self, options, args):
self.manager.kill_osd(self.osd)
cmd = self.build_cmd(options, args, None)
self.manager.log(cmd)
try:
proc = self.remote.run(args=['bash', '-e', '-x', '-c', cmd],
check_status=False,
stdout=BytesIO(),
stderr=BytesIO())
proc.wait()
if proc.exitstatus != 0:
self.manager.log("failed with " + str(proc.exitstatus))
error = proc.stdout.getvalue().decode() + " " + \
proc.stderr.getvalue().decode()
raise Exception(error)
finally:
if self.do_revive:
self.manager.revive_osd(self.osd)
self.manager.wait_till_osd_is_up(self.osd, 300)
# XXX: this class has nothing to do with the Ceph daemon (ceph-mgr) of
# the same name.
class CephManager:
"""
Ceph manager object.
Contains several local functions that form a bulk of this module.
:param controller: the remote machine where the Ceph commands should be
executed
:param ctx: the cluster context
:param config: path to Ceph config file
:param logger: for logging messages
:param cluster: name of the Ceph cluster
"""
def __init__(self, controller, ctx=None, config=None, logger=None,
cluster='ceph', cephadm=False, rook=False) -> None:
self.lock = threading.RLock()
self.ctx = ctx
self.config = config
self.controller = controller
self.next_pool_id = 0
self.cluster = cluster
if (logger):
self.log = lambda x: logger.info(x)
else:
def tmp(x):
"""
implement log behavior.
"""
print(x)
self.log = tmp
if self.config is None:
self.config = dict()
# NOTE: These variables are meant to be overriden by vstart_runner.py.
self.rook = rook
self.cephadm = cephadm
self.testdir = teuthology.get_testdir(self.ctx)
# prefix args for ceph cmds to be executed
pre = ['adjust-ulimits', 'ceph-coverage',
f'{self.testdir}/archive/coverage']
self.CEPH_CMD = ['sudo'] + pre + ['timeout', '120', 'ceph',
'--cluster', self.cluster]
self.RADOS_CMD = pre + ['rados', '--cluster', self.cluster]
pools = self.list_pools()
self.pools = {}
for pool in pools:
# we may race with a pool deletion; ignore failures here
try:
self.pools[pool] = self.get_pool_int_property(pool, 'pg_num')
except CommandFailedError:
self.log('Failed to get pg_num from pool %s, ignoring' % pool)
def ceph(self, cmd, **kwargs):
"""
Simple Ceph admin command wrapper around run_cluster_cmd.
"""
kwargs.pop('args', None)
args = shlex.split(cmd)
stdout = kwargs.pop('stdout', StringIO())
stderr = kwargs.pop('stderr', StringIO())
return self.run_cluster_cmd(args=args, stdout=stdout, stderr=stderr, **kwargs)
def run_cluster_cmd(self, **kwargs):
"""
Run a Ceph command and return the object representing the process
for the command.
Accepts arguments same as that of teuthology.orchestra.run.run()
"""
if isinstance(kwargs['args'], str):
kwargs['args'] = shlex.split(kwargs['args'])
elif isinstance(kwargs['args'], tuple):
kwargs['args'] = list(kwargs['args'])
prefixcmd = []
timeoutcmd = kwargs.pop('timeoutcmd', None)
if timeoutcmd is not None:
prefixcmd += ['timeout', str(timeoutcmd)]
if self.cephadm:
prefixcmd += ['ceph']
cmd = prefixcmd + list(kwargs['args'])
return shell(self.ctx, self.cluster, self.controller,
args=cmd,
stdout=StringIO(),
check_status=kwargs.get('check_status', True))
elif self.rook:
prefixcmd += ['ceph']
cmd = prefixcmd + list(kwargs['args'])
return toolbox(self.ctx, self.cluster,
args=cmd,
stdout=StringIO(),
check_status=kwargs.get('check_status', True))
else:
kwargs['args'] = prefixcmd + self.CEPH_CMD + kwargs['args']
return self.controller.run(**kwargs)
def raw_cluster_cmd(self, *args, **kwargs) -> str:
"""
Start ceph on a raw cluster. Return count
"""
if kwargs.get('args') is None and args:
kwargs['args'] = args
kwargs['stdout'] = kwargs.pop('stdout', StringIO())
return self.run_cluster_cmd(**kwargs).stdout.getvalue()
def raw_cluster_cmd_result(self, *args, **kwargs):
"""
Start ceph on a cluster. Return success or failure information.
"""
if kwargs.get('args') is None and args:
kwargs['args'] = args
kwargs['check_status'] = False
return self.run_cluster_cmd(**kwargs).exitstatus
def get_keyring(self, client_id):
"""
Return keyring for the given client.
:param client_id: str
:return keyring: str
"""
if client_id.find('client.') != -1:
client_id = client_id.replace('client.', '')
keyring = self.run_cluster_cmd(args=f'auth get client.{client_id}',
stdout=StringIO()).stdout.getvalue()
assert isinstance(keyring, str) and keyring != ''
return keyring
def run_ceph_w(self, watch_channel=None):
"""
Execute "ceph -w" in the background with stdout connected to a BytesIO,
and return the RemoteProcess.
:param watch_channel: Specifies the channel to be watched. This can be
'cluster', 'audit', ...
:type watch_channel: str
"""
args = ['sudo', 'daemon-helper', 'kill', 'ceph', '--cluster', self.cluster, '-w']
if watch_channel is not None:
args.append("--watch-channel")
args.append(watch_channel)
return self.controller.run(args=args, wait=False, stdout=StringIO(), stdin=run.PIPE)
def get_mon_socks(self):
"""
Get monitor sockets.
:return socks: tuple of strings; strings are individual sockets.
"""
from json import loads
output = loads(self.raw_cluster_cmd(['--format=json', 'mon', 'dump']))
socks = []
for mon in output['mons']:
for addrvec_mem in mon['public_addrs']['addrvec']:
socks.append(addrvec_mem['addr'])
return tuple(socks)
def get_msgrv1_mon_socks(self):
"""
Get monitor sockets that use msgrv1 to operate.
:return socks: tuple of strings; strings are individual sockets.
"""
from json import loads
output = loads(self.raw_cluster_cmd('--format=json', 'mon', 'dump'))
socks = []
for mon in output['mons']:
for addrvec_mem in mon['public_addrs']['addrvec']:
if addrvec_mem['type'] == 'v1':
socks.append(addrvec_mem['addr'])
return tuple(socks)
def get_msgrv2_mon_socks(self):
"""
Get monitor sockets that use msgrv2 to operate.
:return socks: tuple of strings; strings are individual sockets.
"""
from json import loads
output = loads(self.raw_cluster_cmd('--format=json', 'mon', 'dump'))
socks = []
for mon in output['mons']:
for addrvec_mem in mon['public_addrs']['addrvec']:
if addrvec_mem['type'] == 'v2':
socks.append(addrvec_mem['addr'])
return tuple(socks)
def flush_pg_stats(self, osds, no_wait=None, wait_for_mon=300):
"""
Flush pg stats from a list of OSD ids, ensuring they are reflected
all the way to the monitor. Luminous and later only.
:param osds: list of OSDs to flush
:param no_wait: list of OSDs not to wait for seq id. by default, we
wait for all specified osds, but some of them could be
moved out of osdmap, so we cannot get their updated
stat seq from monitor anymore. in that case, you need
to pass a blocklist.
:param wait_for_mon: wait for mon to be synced with mgr. 0 to disable
it. (5 min by default)
"""
if no_wait is None:
no_wait = []
def flush_one_osd(osd: int, wait_for_mon: int):
need = int(self.raw_cluster_cmd('tell', 'osd.%d' % osd, 'flush_pg_stats'))
if not wait_for_mon:
return
if osd in no_wait:
return
got = 0
while wait_for_mon > 0:
got = int(self.raw_cluster_cmd('osd', 'last-stat-seq', 'osd.%d' % osd))
self.log('need seq {need} got {got} for osd.{osd}'.format(
need=need, got=got, osd=osd))
if got >= need:
break
A_WHILE = 1
time.sleep(A_WHILE)
wait_for_mon -= A_WHILE
else:
raise Exception('timed out waiting for mon to be updated with '
'osd.{osd}: {got} < {need}'.
format(osd=osd, got=got, need=need))
with parallel() as p:
for osd in osds:
p.spawn(flush_one_osd, osd, wait_for_mon)
def flush_all_pg_stats(self):
self.flush_pg_stats(range(len(self.get_osd_dump())))
def do_rados(self, cmd, pool=None, namespace=None, remote=None, **kwargs):
"""
Execute a remote rados command.
"""
if remote is None:
remote = self.controller
pre = self.RADOS_CMD + [] # deep-copying!
if pool is not None:
pre += ['--pool', pool]
if namespace is not None:
pre += ['--namespace', namespace]
pre.extend(cmd)
proc = remote.run(
args=pre,
wait=True,
**kwargs
)
return proc
def rados_write_objects(self, pool, num_objects, size,
timelimit, threads, cleanup=False):
"""
Write rados objects
Threads not used yet.
"""
args = [
'--num-objects', num_objects,
'-b', size,
'bench', timelimit,
'write'
]
if not cleanup:
args.append('--no-cleanup')
return self.do_rados(map(str, args), pool=pool)
def do_put(self, pool, obj, fname, namespace=None):
"""
Implement rados put operation
"""
args = ['put', obj, fname]
return self.do_rados(
args,
check_status=False,
pool=pool,
namespace=namespace
).exitstatus
def do_get(self, pool, obj, fname='/dev/null', namespace=None):
"""
Implement rados get operation
"""
args = ['get', obj, fname]
return self.do_rados(
args,
check_status=False,
pool=pool,
namespace=namespace,
).exitstatus
def do_rm(self, pool, obj, namespace=None):
"""
Implement rados rm operation
"""
args = ['rm', obj]
return self.do_rados(
args,
check_status=False,
pool=pool,
namespace=namespace
).exitstatus
def osd_admin_socket(self, osd_id, command, check_status=True, timeout=0, stdout=None):
if stdout is None:
stdout = StringIO()
return self.admin_socket('osd', osd_id, command, check_status, timeout, stdout)
def find_remote(self, service_type, service_id):
"""
Get the Remote for the host where a particular service runs.
:param service_type: 'mds', 'osd', 'client'
:param service_id: The second part of a role, e.g. '0' for
the role 'client.0'
:return: a Remote instance for the host where the
requested role is placed
"""
return get_remote(self.ctx, self.cluster,
service_type, service_id)
def admin_socket(self, service_type, service_id,
command, check_status=True, timeout=0, stdout=None):
"""
Remotely start up ceph specifying the admin socket
:param command: a list of words to use as the command
to the admin socket
"""
if stdout is None:
stdout = StringIO()
remote = self.find_remote(service_type, service_id)
if self.cephadm:
return shell(
self.ctx, self.cluster, remote,
args=[
'ceph', 'daemon', '%s.%s' % (service_type, service_id),
] + command,
stdout=stdout,
wait=True,
check_status=check_status,
)
if self.rook:
assert False, 'not implemented'
args = [
'sudo',
'adjust-ulimits',
'ceph-coverage',
f'{self.testdir}/archive/coverage',
'timeout',
str(timeout),
'ceph',
'--cluster',
self.cluster,
'--admin-daemon',
'/var/run/ceph/{cluster}-{type}.{id}.asok'.format(
cluster=self.cluster,
type=service_type,
id=service_id),
]
args.extend(command)
return remote.run(
args=args,
stdout=stdout,
wait=True,
check_status=check_status
)
def objectstore_tool(self, pool, options, args, **kwargs):
return ObjectStoreTool(self, pool, **kwargs).run(options, args)
def get_pgid(self, pool, pgnum):
"""
:param pool: pool name
:param pgnum: pg number
:returns: a string representing this pg.
"""
poolnum = self.get_pool_num(pool)
pg_str = "{poolnum}.{pgnum}".format(
poolnum=poolnum,
pgnum=pgnum)
return pg_str
def get_pg_replica(self, pool, pgnum):
"""
get replica for pool, pgnum (e.g. (data, 0)->0
"""
pg_str = self.get_pgid(pool, pgnum)
output = self.raw_cluster_cmd("pg", "map", pg_str, '--format=json')
j = json.loads('\n'.join(output.split('\n')[1:]))
return int(j['acting'][-1])
assert False
def wait_for_pg_stats(func):
# both osd_mon_report_interval and mgr_stats_period are 5 seconds
# by default, and take the faulty injection in ms into consideration,
# 12 seconds are more than enough
delays = [1, 1, 2, 3, 5, 8, 13, 0]
@wraps(func)
def wrapper(self, *args, **kwargs):
exc = None
for delay in delays:
try:
return func(self, *args, **kwargs)
except AssertionError as e:
time.sleep(delay)
exc = e
raise exc
return wrapper
def get_pg_primary(self, pool, pgnum):
"""
get primary for pool, pgnum (e.g. (data, 0)->0
"""
pg_str = self.get_pgid(pool, pgnum)
output = self.raw_cluster_cmd("pg", "map", pg_str, '--format=json')
j = json.loads('\n'.join(output.split('\n')[1:]))
return int(j['acting'][0])
assert False
def get_pool_num(self, pool):
"""
get number for pool (e.g., data -> 2)
"""
return int(self.get_pool_dump(pool)['pool'])
def list_pools(self):
"""
list all pool names
"""
osd_dump = self.get_osd_dump_json()
self.log(osd_dump['pools'])
return [str(i['pool_name']) for i in osd_dump['pools']]
def clear_pools(self):
"""
remove all pools
"""
[self.remove_pool(i) for i in self.list_pools()]
def kick_recovery_wq(self, osdnum):
"""
Run kick_recovery_wq on cluster.
"""
return self.raw_cluster_cmd(
'tell', "osd.%d" % (int(osdnum),),
'debug',
'kick_recovery_wq',
'0')
def wait_run_admin_socket(self, service_type,
service_id, args=['version'], timeout=75, stdout=None):
"""
If osd_admin_socket call succeeds, return. Otherwise wait
five seconds and try again.
"""
if stdout is None:
stdout = StringIO()
tries = 0
while True:
proc = self.admin_socket(service_type, service_id,
args, check_status=False, stdout=stdout)
if proc.exitstatus == 0:
return proc
else:
tries += 1
if (tries * 5) > timeout:
raise Exception('timed out waiting for admin_socket '
'to appear after {type}.{id} restart'.
format(type=service_type,
id=service_id))
self.log("waiting on admin_socket for {type}-{id}, "
"{command}".format(type=service_type,
id=service_id,
command=args))
time.sleep(5)
def get_pool_dump(self, pool):
"""
get the osd dump part of a pool
"""
osd_dump = self.get_osd_dump_json()
for i in osd_dump['pools']:
if i['pool_name'] == pool:
return i
assert False
def get_config(self, service_type, service_id, name):
"""
:param node: like 'mon.a'
:param name: the option name
"""
proc = self.wait_run_admin_socket(service_type, service_id,
['config', 'show'])
j = json.loads(proc.stdout.getvalue())
return j[name]
def inject_args(self, service_type, service_id, name, value):
whom = '{0}.{1}'.format(service_type, service_id)
if isinstance(value, bool):
value = 'true' if value else 'false'
opt_arg = '--{name}={value}'.format(name=name, value=value)
self.raw_cluster_cmd('--', 'tell', whom, 'injectargs', opt_arg)
def set_config(self, osdnum, **argdict):
"""
:param osdnum: osd number
:param argdict: dictionary containing values to set.
"""
for k, v in argdict.items():
self.wait_run_admin_socket(
'osd', osdnum,
['config', 'set', str(k), str(v)])
def raw_cluster_status(self):
"""
Get status from cluster
"""
status = self.raw_cluster_cmd('status', '--format=json')
return json.loads(status)
def raw_osd_status(self):
"""
Get osd status from cluster
"""
return self.raw_cluster_cmd('osd', 'dump')
def get_osd_status(self):
"""
Get osd statuses sorted by states that the osds are in.
"""
osd_lines = list(filter(
lambda x: x.startswith('osd.') and (("up" in x) or ("down" in x)),
self.raw_osd_status().split('\n')))
self.log(osd_lines)
in_osds = [int(i[4:].split()[0])
for i in filter(lambda x: " in " in x, osd_lines)]
out_osds = [int(i[4:].split()[0])
for i in filter(lambda x: " out " in x, osd_lines)]
up_osds = [int(i[4:].split()[0])
for i in filter(lambda x: " up " in x, osd_lines)]
down_osds = [int(i[4:].split()[0])
for i in filter(lambda x: " down " in x, osd_lines)]
dead_osds = [int(x.id_)
for x in filter(lambda x:
not x.running(),
self.ctx.daemons.
iter_daemons_of_role('osd', self.cluster))]
live_osds = [int(x.id_) for x in
filter(lambda x:
x.running(),
self.ctx.daemons.iter_daemons_of_role('osd',
self.cluster))]
return {'in': in_osds, 'out': out_osds, 'up': up_osds,
'down': down_osds, 'dead': dead_osds, 'live': live_osds,
'raw': osd_lines}
def get_num_pgs(self):
"""
Check cluster status for the number of pgs
"""
status = self.raw_cluster_status()
self.log(status)
return status['pgmap']['num_pgs']
def create_erasure_code_profile(self, profile_name, profile):
"""
Create an erasure code profile name that can be used as a parameter
when creating an erasure coded pool.
"""
with self.lock:
args = cmd_erasure_code_profile(profile_name, profile)
self.raw_cluster_cmd(*args)
def create_pool_with_unique_name(self, pg_num=16,
erasure_code_profile_name=None,
min_size=None,
erasure_code_use_overwrites=False):
"""
Create a pool named unique_pool_X where X is unique.
"""
name = ""
with self.lock:
name = "unique_pool_%s" % (str(self.next_pool_id),)
self.next_pool_id += 1
self.create_pool(
name,
pg_num,
erasure_code_profile_name=erasure_code_profile_name,
min_size=min_size,
erasure_code_use_overwrites=erasure_code_use_overwrites)
return name
@contextlib.contextmanager
def pool(self, pool_name, pg_num=16, erasure_code_profile_name=None):
self.create_pool(pool_name, pg_num, erasure_code_profile_name)
yield
self.remove_pool(pool_name)
def create_pool(self, pool_name, pg_num=16,
erasure_code_profile_name=None,
min_size=None,
erasure_code_use_overwrites=False):
"""
Create a pool named from the pool_name parameter.
:param pool_name: name of the pool being created.
:param pg_num: initial number of pgs.
:param erasure_code_profile_name: if set and !None create an
erasure coded pool using the profile
:param erasure_code_use_overwrites: if true, allow overwrites
"""
with self.lock:
assert isinstance(pool_name, str)
assert isinstance(pg_num, int)
assert pool_name not in self.pools
self.log("creating pool_name %s" % (pool_name,))
if erasure_code_profile_name:
self.raw_cluster_cmd('osd', 'pool', 'create',
pool_name, str(pg_num), str(pg_num),
'erasure', erasure_code_profile_name)
else:
self.raw_cluster_cmd('osd', 'pool', 'create',
pool_name, str(pg_num))
if min_size is not None:
self.raw_cluster_cmd(
'osd', 'pool', 'set', pool_name,
'min_size',
str(min_size))
if erasure_code_use_overwrites:
self.raw_cluster_cmd(
'osd', 'pool', 'set', pool_name,
'allow_ec_overwrites',
'true')
self.raw_cluster_cmd(
'osd', 'pool', 'application', 'enable',
pool_name, 'rados', '--yes-i-really-mean-it',
run.Raw('||'), 'true')
self.pools[pool_name] = pg_num
time.sleep(1)
def add_pool_snap(self, pool_name, snap_name):
"""
Add pool snapshot
:param pool_name: name of pool to snapshot
:param snap_name: name of snapshot to take
"""
self.raw_cluster_cmd('osd', 'pool', 'mksnap',
str(pool_name), str(snap_name))
def remove_pool_snap(self, pool_name, snap_name):
"""
Remove pool snapshot
:param pool_name: name of pool to snapshot
:param snap_name: name of snapshot to remove
"""
self.raw_cluster_cmd('osd', 'pool', 'rmsnap',
str(pool_name), str(snap_name))
def remove_pool(self, pool_name):
"""
Remove the indicated pool
:param pool_name: Pool to be removed
"""
with self.lock:
assert isinstance(pool_name, str)
assert pool_name in self.pools
self.log("removing pool_name %s" % (pool_name,))
del self.pools[pool_name]
self.raw_cluster_cmd('osd', 'pool', 'rm', pool_name, pool_name,
"--yes-i-really-really-mean-it")
def get_pool(self):
"""
Pick a random pool
"""
with self.lock:
if self.pools:
return random.sample(self.pools.keys(), 1)[0]
def get_pool_pg_num(self, pool_name):
"""
Return the number of pgs in the pool specified.
"""
with self.lock:
assert isinstance(pool_name, str)
if pool_name in self.pools:
return self.pools[pool_name]
return 0
def get_pool_property(self, pool_name, prop):
"""
:param pool_name: pool
:param prop: property to be checked.
:returns: property as string
"""
with self.lock:
assert isinstance(pool_name, str)
assert isinstance(prop, str)
output = self.raw_cluster_cmd(
'osd',
'pool',
'get',
pool_name,
prop)
return output.split()[1]
def get_pool_int_property(self, pool_name, prop):
return int(self.get_pool_property(pool_name, prop))
def set_pool_property(self, pool_name, prop, val):
"""
:param pool_name: pool
:param prop: property to be set.
:param val: value to set.
This routine retries if set operation fails.
"""
with self.lock:
assert isinstance(pool_name, str)
assert isinstance(prop, str)
assert isinstance(val, int)
tries = 0
while True:
r = self.raw_cluster_cmd_result(
'osd',
'pool',
'set',
pool_name,
prop,
str(val))
if r != 11: # EAGAIN
break
tries += 1
if tries > 50:
raise Exception('timed out getting EAGAIN '
'when setting pool property %s %s = %s' %
(pool_name, prop, val))
self.log('got EAGAIN setting pool property, '
'waiting a few seconds...')
time.sleep(2)
def expand_pool(self, pool_name, by, max_pgs):
"""
Increase the number of pgs in a pool
"""
with self.lock:
assert isinstance(pool_name, str)
assert isinstance(by, int)
assert pool_name in self.pools
if self.get_num_creating() > 0:
return False
if (self.pools[pool_name] + by) > max_pgs:
return False
self.log("increase pool size by %d" % (by,))
new_pg_num = self.pools[pool_name] + by
self.set_pool_property(pool_name, "pg_num", new_pg_num)
self.pools[pool_name] = new_pg_num
return True
def contract_pool(self, pool_name, by, min_pgs):
"""
Decrease the number of pgs in a pool
"""
with self.lock:
self.log('contract_pool %s by %s min %s' % (
pool_name, str(by), str(min_pgs)))
assert isinstance(pool_name, str)
assert isinstance(by, int)
assert pool_name in self.pools
if self.get_num_creating() > 0:
self.log('too many creating')
return False
proj = self.pools[pool_name] - by
if proj < min_pgs:
self.log('would drop below min_pgs, proj %d, currently %d' % (proj,self.pools[pool_name],))
return False
self.log("decrease pool size by %d" % (by,))
new_pg_num = self.pools[pool_name] - by
self.set_pool_property(pool_name, "pg_num", new_pg_num)
self.pools[pool_name] = new_pg_num
return True
def stop_pg_num_changes(self):
"""
Reset all pg_num_targets back to pg_num, canceling splits and merges
"""
self.log('Canceling any pending splits or merges...')
osd_dump = self.get_osd_dump_json()
try:
for pool in osd_dump['pools']:
if pool['pg_num'] != pool['pg_num_target']:
self.log('Setting pool %s (%d) pg_num %d -> %d' %
(pool['pool_name'], pool['pool'],
pool['pg_num_target'],
pool['pg_num']))
self.raw_cluster_cmd('osd', 'pool', 'set', pool['pool_name'],
'pg_num', str(pool['pg_num']))
except KeyError:
# we don't support pg_num_target before nautilus
pass
def set_pool_pgpnum(self, pool_name, force):
"""
Set pgpnum property of pool_name pool.
"""
with self.lock:
assert isinstance(pool_name, str)
assert pool_name in self.pools
if not force and self.get_num_creating() > 0:
return False
self.set_pool_property(pool_name, 'pgp_num', self.pools[pool_name])
return True
def list_pg_unfound(self, pgid):
"""
return list of unfound pgs with the id specified
"""
r = None
offset = {}
while True:
out = self.raw_cluster_cmd('--', 'pg', pgid, 'list_unfound',
json.dumps(offset))
j = json.loads(out)
if r is None:
r = j
else:
r['objects'].extend(j['objects'])
if not 'more' in j:
break
if j['more'] == 0:
break
offset = j['objects'][-1]['oid']
if 'more' in r:
del r['more']
return r
def get_pg_stats(self):
"""
Dump the cluster and get pg stats
"""
out = self.raw_cluster_cmd('pg', 'dump', '--format=json')
j = json.loads('\n'.join(out.split('\n')[1:]))
try:
return j['pg_map']['pg_stats']
except KeyError:
return j['pg_stats']
def get_osd_df(self, osdid):
"""
Get the osd df stats
"""
out = self.raw_cluster_cmd('osd', 'df', 'name', 'osd.{}'.format(osdid),
'--format=json')
j = json.loads('\n'.join(out.split('\n')[1:]))
return j['nodes'][0]
def get_pool_df(self, name):
"""
Get the pool df stats
"""
out = self.raw_cluster_cmd('df', 'detail', '--format=json')
j = json.loads('\n'.join(out.split('\n')[1:]))
return next((p['stats'] for p in j['pools'] if p['name'] == name),
None)
def get_pgids_to_force(self, backfill):
"""
Return the randomized list of PGs that can have their recovery/backfill forced
"""
j = self.get_pg_stats();
pgids = []
if backfill:
wanted = ['degraded', 'backfilling', 'backfill_wait']
else:
wanted = ['recovering', 'degraded', 'recovery_wait']
for pg in j:
status = pg['state'].split('+')
for t in wanted:
if random.random() > 0.5 and not ('forced_backfill' in status or 'forced_recovery' in status) and t in status:
pgids.append(pg['pgid'])
break
return pgids
def get_pgids_to_cancel_force(self, backfill):
"""
Return the randomized list of PGs whose recovery/backfill priority is forced
"""
j = self.get_pg_stats();
pgids = []
if backfill:
wanted = 'forced_backfill'
else:
wanted = 'forced_recovery'
for pg in j:
status = pg['state'].split('+')
if wanted in status and random.random() > 0.5:
pgids.append(pg['pgid'])
return pgids
def compile_pg_status(self):
"""
Return a histogram of pg state values
"""
ret = {}
j = self.get_pg_stats()
for pg in j:
for status in pg['state'].split('+'):
if status not in ret:
ret[status] = 0
ret[status] += 1
return ret
@wait_for_pg_stats # type: ignore
def with_pg_state(self, pool, pgnum, check):
pgstr = self.get_pgid(pool, pgnum)
stats = self.get_single_pg_stats(pgstr)
assert(check(stats['state']))
@wait_for_pg_stats # type: ignore
def with_pg(self, pool, pgnum, check):
pgstr = self.get_pgid(pool, pgnum)
stats = self.get_single_pg_stats(pgstr)
return check(stats)
def get_last_scrub_stamp(self, pool, pgnum):
"""
Get the timestamp of the last scrub.
"""
stats = self.get_single_pg_stats(self.get_pgid(pool, pgnum))
return stats["last_scrub_stamp"]
def do_pg_scrub(self, pool, pgnum, stype):
"""
Scrub pg and wait for scrubbing to finish
"""
init = self.get_last_scrub_stamp(pool, pgnum)
RESEND_TIMEOUT = 120 # Must be a multiple of SLEEP_TIME
FATAL_TIMEOUT = RESEND_TIMEOUT * 3
SLEEP_TIME = 10
timer = 0
while init == self.get_last_scrub_stamp(pool, pgnum):
assert timer < FATAL_TIMEOUT, "fatal timeout trying to " + stype
self.log("waiting for scrub type %s" % (stype,))
if (timer % RESEND_TIMEOUT) == 0:
self.raw_cluster_cmd('pg', stype, self.get_pgid(pool, pgnum))
# The first time in this loop is the actual request
if timer != 0 and stype == "repair":
self.log("WARNING: Resubmitted a non-idempotent repair")
time.sleep(SLEEP_TIME)
timer += SLEEP_TIME
def wait_snap_trimming_complete(self, pool):
"""
Wait for snap trimming on pool to end
"""
POLL_PERIOD = 10
FATAL_TIMEOUT = 600
start = time.time()
poolnum = self.get_pool_num(pool)
poolnumstr = "%s." % (poolnum,)
while (True):
now = time.time()
if (now - start) > FATAL_TIMEOUT:
assert (now - start) < FATAL_TIMEOUT, \
'failed to complete snap trimming before timeout'
all_stats = self.get_pg_stats()
trimming = False
for pg in all_stats:
if (poolnumstr in pg['pgid']) and ('snaptrim' in pg['state']):
self.log("pg {pg} in trimming, state: {state}".format(
pg=pg['pgid'],
state=pg['state']))
trimming = True
if not trimming:
break
self.log("{pool} still trimming, waiting".format(pool=pool))
time.sleep(POLL_PERIOD)
def get_single_pg_stats(self, pgid):
"""
Return pg for the pgid specified.
"""
all_stats = self.get_pg_stats()
for pg in all_stats:
if pg['pgid'] == pgid:
return pg
return None
def get_object_pg_with_shard(self, pool, name, osdid):
"""
"""
pool_dump = self.get_pool_dump(pool)
object_map = self.get_object_map(pool, name)
if pool_dump["type"] == PoolType.ERASURE_CODED:
shard = object_map['acting'].index(osdid)
return "{pgid}s{shard}".format(pgid=object_map['pgid'],
shard=shard)
else:
return object_map['pgid']
def get_object_primary(self, pool, name):
"""
"""
object_map = self.get_object_map(pool, name)
return object_map['acting_primary']
def get_object_map(self, pool, name):
"""
osd map --format=json converted to a python object
:returns: the python object
"""
out = self.raw_cluster_cmd('--format=json', 'osd', 'map', pool, name)
return json.loads('\n'.join(out.split('\n')[1:]))
def get_osd_dump_json(self):
"""
osd dump --format=json converted to a python object
:returns: the python object
"""
out = self.raw_cluster_cmd('osd', 'dump', '--format=json')
return json.loads('\n'.join(out.split('\n')[1:]))
def get_osd_dump(self):
"""
Dump osds
:returns: all osds
"""
return self.get_osd_dump_json()['osds']
def get_osd_metadata(self):
"""
osd metadata --format=json converted to a python object
:returns: the python object containing osd metadata information
"""
out = self.raw_cluster_cmd('osd', 'metadata', '--format=json')
return json.loads('\n'.join(out.split('\n')[1:]))
def get_mgr_dump(self):
out = self.raw_cluster_cmd('mgr', 'dump', '--format=json')
return json.loads(out)
def get_stuck_pgs(self, type_, threshold):
"""
:returns: stuck pg information from the cluster
"""
out = self.raw_cluster_cmd('pg', 'dump_stuck', type_, str(threshold),
'--format=json')
return json.loads(out).get('stuck_pg_stats',[])
def get_num_unfound_objects(self):
"""
Check cluster status to get the number of unfound objects
"""
status = self.raw_cluster_status()
self.log(status)
return status['pgmap'].get('unfound_objects', 0)
def get_num_creating(self):
"""
Find the number of pgs in creating mode.
"""
pgs = self.get_pg_stats()
num = 0
for pg in pgs:
if 'creating' in pg['state']:
num += 1
return num
def get_num_active_clean(self):
"""
Find the number of active and clean pgs.
"""
pgs = self.get_pg_stats()
return self._get_num_active_clean(pgs)
def _get_num_active_clean(self, pgs):
num = 0
for pg in pgs:
if (pg['state'].count('active') and
pg['state'].count('clean') and
not pg['state'].count('stale')):
num += 1
return num
def get_num_active_recovered(self):
"""
Find the number of active and recovered pgs.
"""
pgs = self.get_pg_stats()
return self._get_num_active_recovered(pgs)
def _get_num_active_recovered(self, pgs):
num = 0
for pg in pgs:
if (pg['state'].count('active') and
not pg['state'].count('recover') and
not pg['state'].count('backfilling') and
not pg['state'].count('stale')):
num += 1
return num
def get_is_making_recovery_progress(self):
"""
Return whether there is recovery progress discernable in the
raw cluster status
"""
status = self.raw_cluster_status()
kps = status['pgmap'].get('recovering_keys_per_sec', 0)
bps = status['pgmap'].get('recovering_bytes_per_sec', 0)
ops = status['pgmap'].get('recovering_objects_per_sec', 0)
return kps > 0 or bps > 0 or ops > 0
def get_num_active(self):
"""
Find the number of active pgs.
"""
pgs = self.get_pg_stats()
return self._get_num_active(pgs)
def _get_num_active(self, pgs):
num = 0
for pg in pgs:
if pg['state'].count('active') and not pg['state'].count('stale'):
num += 1
return num
def get_num_down(self):
"""
Find the number of pgs that are down.
"""
pgs = self.get_pg_stats()
num = 0
for pg in pgs:
if ((pg['state'].count('down') and not
pg['state'].count('stale')) or
(pg['state'].count('incomplete') and not
pg['state'].count('stale'))):
num += 1
return num
def get_num_active_down(self):
"""
Find the number of pgs that are either active or down.
"""
pgs = self.get_pg_stats()
return self._get_num_active_down(pgs)
def _get_num_active_down(self, pgs):
num = 0
for pg in pgs:
if ((pg['state'].count('active') and not
pg['state'].count('stale')) or
(pg['state'].count('down') and not
pg['state'].count('stale')) or
(pg['state'].count('incomplete') and not
pg['state'].count('stale'))):
num += 1
return num
def get_num_peered(self):
"""
Find the number of PGs that are peered
"""
pgs = self.get_pg_stats()
return self._get_num_peered(pgs)
def _get_num_peered(self, pgs):
num = 0
for pg in pgs:
if pg['state'].count('peered') and not pg['state'].count('stale'):
num += 1
return num
def is_clean(self):
"""
True if all pgs are clean
"""
pgs = self.get_pg_stats()
if self._get_num_active_clean(pgs) == len(pgs):
return True
else:
self.dump_pgs_not_active_clean()
return False
def is_recovered(self):
"""
True if all pgs have recovered
"""
pgs = self.get_pg_stats()
return self._get_num_active_recovered(pgs) == len(pgs)
def is_active_or_down(self):
"""
True if all pgs are active or down
"""
pgs = self.get_pg_stats()
return self._get_num_active_down(pgs) == len(pgs)
def dump_pgs_not_active_clean(self):
"""
Dumps all pgs that are not active+clean
"""
pgs = self.get_pg_stats()
for pg in pgs:
if pg['state'] != 'active+clean':
self.log('PG %s is not active+clean' % pg['pgid'])
self.log(pg)
def dump_pgs_not_active_down(self):
"""
Dumps all pgs that are not active or down
"""
pgs = self.get_pg_stats()
for pg in pgs:
if 'active' not in pg['state'] and 'down' not in pg['state']:
self.log('PG %s is not active or down' % pg['pgid'])
self.log(pg)
def dump_pgs_not_active(self):
"""
Dumps all pgs that are not active
"""
pgs = self.get_pg_stats()
for pg in pgs:
if 'active' not in pg['state']:
self.log('PG %s is not active' % pg['pgid'])
self.log(pg)
def dump_pgs_not_active_peered(self, pgs):
for pg in pgs:
if (not pg['state'].count('active')) and (not pg['state'].count('peered')):
self.log('PG %s is not active or peered' % pg['pgid'])
self.log(pg)
def wait_for_clean(self, timeout=1200):
"""
Returns true when all pgs are clean.
"""
self.log("waiting for clean")
start = time.time()
num_active_clean = self.get_num_active_clean()
while not self.is_clean():
if timeout is not None:
if self.get_is_making_recovery_progress():
self.log("making progress, resetting timeout")
start = time.time()
else:
self.log("no progress seen, keeping timeout for now")
if time.time() - start >= timeout:
self.log('dumping pgs not clean')
self.dump_pgs_not_active_clean()
assert time.time() - start < timeout, \
'wait_for_clean: failed before timeout expired'
cur_active_clean = self.get_num_active_clean()
if cur_active_clean != num_active_clean:
start = time.time()
num_active_clean = cur_active_clean
time.sleep(3)
self.log("clean!")
def are_all_osds_up(self):
"""
Returns true if all osds are up.
"""
x = self.get_osd_dump()
return (len(x) == sum([(y['up'] > 0) for y in x]))
def wait_for_all_osds_up(self, timeout=None):
"""
When this exits, either the timeout has expired, or all
osds are up.
"""
self.log("waiting for all up")
start = time.time()
while not self.are_all_osds_up():
if timeout is not None:
assert time.time() - start < timeout, \
'timeout expired in wait_for_all_osds_up'
time.sleep(3)
self.log("all up!")
def pool_exists(self, pool):
if pool in self.list_pools():
return True
return False
def wait_for_pool(self, pool, timeout=300):
"""
Wait for a pool to exist
"""
self.log('waiting for pool %s to exist' % pool)
start = time.time()
while not self.pool_exists(pool):
if timeout is not None:
assert time.time() - start < timeout, \
'timeout expired in wait_for_pool'
time.sleep(3)
def wait_for_pools(self, pools):
for pool in pools:
self.wait_for_pool(pool)
def is_mgr_available(self):
x = self.get_mgr_dump()
return x.get('available', False)
def wait_for_mgr_available(self, timeout=None):
self.log("waiting for mgr available")
start = time.time()
while not self.is_mgr_available():
if timeout is not None:
assert time.time() - start < timeout, \
'timeout expired in wait_for_mgr_available'
time.sleep(3)
self.log("mgr available!")
def wait_for_recovery(self, timeout=None):
"""
Check peering. When this exists, we have recovered.
"""
self.log("waiting for recovery to complete")
start = time.time()
num_active_recovered = self.get_num_active_recovered()
while not self.is_recovered():
now = time.time()
if timeout is not None:
if self.get_is_making_recovery_progress():
self.log("making progress, resetting timeout")
start = time.time()
else:
self.log("no progress seen, keeping timeout for now")
if now - start >= timeout:
if self.is_recovered():
break
self.log('dumping pgs not recovered yet')
self.dump_pgs_not_active_clean()
assert now - start < timeout, \
'wait_for_recovery: failed before timeout expired'
cur_active_recovered = self.get_num_active_recovered()
if cur_active_recovered != num_active_recovered:
start = time.time()
num_active_recovered = cur_active_recovered
time.sleep(3)
self.log("recovered!")
def wait_for_active(self, timeout=None):
"""
Check peering. When this exists, we are definitely active
"""
self.log("waiting for peering to complete")
start = time.time()
num_active = self.get_num_active()
while not self.is_active():
if timeout is not None:
if time.time() - start >= timeout:
self.log('dumping pgs not active')
self.dump_pgs_not_active()
assert time.time() - start < timeout, \
'wait_for_active: failed before timeout expired'
cur_active = self.get_num_active()
if cur_active != num_active:
start = time.time()
num_active = cur_active
time.sleep(3)
self.log("active!")
def wait_for_active_or_down(self, timeout=None):
"""
Check peering. When this exists, we are definitely either
active or down
"""
self.log("waiting for peering to complete or become blocked")
start = time.time()
num_active_down = self.get_num_active_down()
while not self.is_active_or_down():
if timeout is not None:
if time.time() - start >= timeout:
self.log('dumping pgs not active or down')
self.dump_pgs_not_active_down()
assert time.time() - start < timeout, \
'wait_for_active_or_down: failed before timeout expired'
cur_active_down = self.get_num_active_down()
if cur_active_down != num_active_down:
start = time.time()
num_active_down = cur_active_down
time.sleep(3)
self.log("active or down!")
def osd_is_up(self, osd):
"""
Wrapper for osd check
"""
osds = self.get_osd_dump()
return osds[osd]['up'] > 0
def wait_till_osd_is_up(self, osd, timeout=None):
"""
Loop waiting for osd.
"""
self.log('waiting for osd.%d to be up' % osd)
start = time.time()
while not self.osd_is_up(osd):
if timeout is not None:
assert time.time() - start < timeout, \
'osd.%d failed to come up before timeout expired' % osd
time.sleep(3)
self.log('osd.%d is up' % osd)
def is_active(self):
"""
Wrapper to check if all pgs are active
"""
return self.get_num_active() == self.get_num_pgs()
def all_active_or_peered(self):
"""
Wrapper to check if all PGs are active or peered
"""
pgs = self.get_pg_stats()
if self._get_num_active(pgs) + self._get_num_peered(pgs) == len(pgs):
return True
else:
self.dump_pgs_not_active_peered(pgs)
return False
def wait_till_active(self, timeout=None):
"""
Wait until all pgs are active.
"""
self.log("waiting till active")
start = time.time()
while not self.is_active():
if timeout is not None:
if time.time() - start >= timeout:
self.log('dumping pgs not active')
self.dump_pgs_not_active()
assert time.time() - start < timeout, \
'wait_till_active: failed before timeout expired'
time.sleep(3)
self.log("active!")
def wait_till_pg_convergence(self, timeout=None):
start = time.time()
old_stats = None
active_osds = [osd['osd'] for osd in self.get_osd_dump()
if osd['in'] and osd['up']]
while True:
# strictly speaking, no need to wait for mon. but due to the
# "ms inject socket failures" setting, the osdmap could be delayed,
# so mgr is likely to ignore the pg-stat messages with pgs serving
# newly created pools which is not yet known by mgr. so, to make sure
# the mgr is updated with the latest pg-stats, waiting for mon/mgr is
# necessary.
self.flush_pg_stats(active_osds)
new_stats = dict((stat['pgid'], stat['state'])
for stat in self.get_pg_stats())
if old_stats == new_stats:
return old_stats
if timeout is not None:
assert time.time() - start < timeout, \
'failed to reach convergence before %d secs' % timeout
old_stats = new_stats
# longer than mgr_stats_period
time.sleep(5 + 1)
def mark_out_osd(self, osd):
"""
Wrapper to mark osd out.
"""
self.raw_cluster_cmd('osd', 'out', str(osd))
def kill_osd(self, osd):
"""
Kill osds by either power cycling (if indicated by the config)
or by stopping.
"""
if self.config.get('powercycle'):
remote = self.find_remote('osd', osd)
self.log('kill_osd on osd.{o} '
'doing powercycle of {s}'.format(o=osd, s=remote.name))
self._assert_ipmi(remote)
remote.console.power_off()
elif self.config.get('bdev_inject_crash') and self.config.get('bdev_inject_crash_probability'):
if random.uniform(0, 1) < self.config.get('bdev_inject_crash_probability', .5):
self.inject_args(
'osd', osd,
'bdev-inject-crash', self.config.get('bdev_inject_crash'))
try:
self.ctx.daemons.get_daemon('osd', osd, self.cluster).wait()
except:
pass
else:
raise RuntimeError('osd.%s did not fail' % osd)
else:
self.ctx.daemons.get_daemon('osd', osd, self.cluster).stop()
else:
self.ctx.daemons.get_daemon('osd', osd, self.cluster).stop()
@staticmethod
def _assert_ipmi(remote):
assert remote.console.has_ipmi_credentials, (
"powercycling requested but RemoteConsole is not "
"initialized. Check ipmi config.")
def blackhole_kill_osd(self, osd):
"""
Stop osd if nothing else works.
"""
self.inject_args('osd', osd,
'objectstore-blackhole', True)
time.sleep(2)
self.ctx.daemons.get_daemon('osd', osd, self.cluster).stop()
def revive_osd(self, osd, timeout=360, skip_admin_check=False):
"""
Revive osds by either power cycling (if indicated by the config)
or by restarting.
"""
if self.config.get('powercycle'):
remote = self.find_remote('osd', osd)
self.log('kill_osd on osd.{o} doing powercycle of {s}'.
format(o=osd, s=remote.name))
self._assert_ipmi(remote)
remote.console.power_on()
if not remote.console.check_status(300):
raise Exception('Failed to revive osd.{o} via ipmi'.
format(o=osd))
teuthology.reconnect(self.ctx, 60, [remote])
mount_osd_data(self.ctx, remote, self.cluster, str(osd))
self.make_admin_daemon_dir(remote)
self.ctx.daemons.get_daemon('osd', osd, self.cluster).reset()
self.ctx.daemons.get_daemon('osd', osd, self.cluster).restart()
if not skip_admin_check:
# wait for dump_ops_in_flight; this command doesn't appear
# until after the signal handler is installed and it is safe
# to stop the osd again without making valgrind leak checks
# unhappy. see #5924.
self.wait_run_admin_socket('osd', osd,
args=['dump_ops_in_flight'],
timeout=timeout, stdout=DEVNULL)
def mark_down_osd(self, osd):
"""
Cluster command wrapper
"""
self.raw_cluster_cmd('osd', 'down', str(osd))
def mark_in_osd(self, osd):
"""
Cluster command wrapper
"""
self.raw_cluster_cmd('osd', 'in', str(osd))
def signal_osd(self, osd, sig, silent=False):
"""
Wrapper to local get_daemon call which sends the given
signal to the given osd.
"""
self.ctx.daemons.get_daemon('osd', osd,
self.cluster).signal(sig, silent=silent)
## monitors
def signal_mon(self, mon, sig, silent=False):
"""
Wrapper to local get_daemon call
"""
self.ctx.daemons.get_daemon('mon', mon,
self.cluster).signal(sig, silent=silent)
def kill_mon(self, mon):
"""
Kill the monitor by either power cycling (if the config says so),
or by doing a stop.
"""
if self.config.get('powercycle'):
remote = self.find_remote('mon', mon)
self.log('kill_mon on mon.{m} doing powercycle of {s}'.
format(m=mon, s=remote.name))
self._assert_ipmi(remote)
remote.console.power_off()
else:
self.ctx.daemons.get_daemon('mon', mon, self.cluster).stop()
def revive_mon(self, mon):
"""
Restart by either power cycling (if the config says so),
or by doing a normal restart.
"""
if self.config.get('powercycle'):
remote = self.find_remote('mon', mon)
self.log('revive_mon on mon.{m} doing powercycle of {s}'.
format(m=mon, s=remote.name))
self._assert_ipmi(remote)
remote.console.power_on()
self.make_admin_daemon_dir(remote)
self.ctx.daemons.get_daemon('mon', mon, self.cluster).restart()
def revive_mgr(self, mgr):
"""
Restart by either power cycling (if the config says so),
or by doing a normal restart.
"""
if self.config.get('powercycle'):
remote = self.find_remote('mgr', mgr)
self.log('revive_mgr on mgr.{m} doing powercycle of {s}'.
format(m=mgr, s=remote.name))
self._assert_ipmi(remote)
remote.console.power_on()
self.make_admin_daemon_dir(remote)
self.ctx.daemons.get_daemon('mgr', mgr, self.cluster).restart()
def get_mon_status(self, mon):
"""
Extract all the monitor status information from the cluster
"""
out = self.raw_cluster_cmd('tell', 'mon.%s' % mon, 'mon_status')
return json.loads(out)
def get_mon_quorum(self):
"""
Extract monitor quorum information from the cluster
"""
out = self.raw_cluster_cmd('quorum_status')
j = json.loads(out)
return j['quorum']
def wait_for_mon_quorum_size(self, size, timeout=300):
"""
Loop until quorum size is reached.
"""
self.log('waiting for quorum size %d' % size)
sleep = 3
with safe_while(sleep=sleep,
tries=timeout // sleep,
action=f'wait for quorum size {size}') as proceed:
while proceed():
try:
if len(self.get_mon_quorum()) == size:
break
except CommandFailedError as e:
# could fail instea4d of blocked if the rotating key of the
# connected monitor is not updated yet after they form the
# quorum
if e.exitstatus == errno.EACCES:
pass
else:
raise
self.log("quorum is size %d" % size)
def get_mon_health(self, debug=False, detail=False):
"""
Extract all the monitor health information.
"""
if detail:
out = self.raw_cluster_cmd('health', 'detail', '--format=json')
else:
out = self.raw_cluster_cmd('health', '--format=json')
if debug:
self.log('health:\n{h}'.format(h=out))
return json.loads(out)
def wait_until_healthy(self, timeout=None):
self.log("wait_until_healthy")
start = time.time()
while self.get_mon_health()['status'] != 'HEALTH_OK':
if timeout is not None:
assert time.time() - start < timeout, \
'timeout expired in wait_until_healthy'
time.sleep(3)
self.log("wait_until_healthy done")
def get_filepath(self):
"""
Return path to osd data with {id} needing to be replaced
"""
return '/var/lib/ceph/osd/' + self.cluster + '-{id}'
def make_admin_daemon_dir(self, remote):
"""
Create /var/run/ceph directory on remote site.
:param ctx: Context
:param remote: Remote site
"""
remote.run(args=['sudo',
'install', '-d', '-m0777', '--', '/var/run/ceph', ], )
def get_service_task_status(self, service, status_key):
"""
Return daemon task status for a given ceph service.
:param service: ceph service (mds, osd, etc...)
:param status_key: matching task status key
"""
task_status = {}
status = self.raw_cluster_status()
try:
for k,v in status['servicemap']['services'][service]['daemons'].items():
ts = dict(v).get('task_status', None)
if ts:
task_status[k] = ts[status_key]
except KeyError: # catches missing service and status key
return {}
self.log(task_status)
return task_status
def utility_task(name):
"""
Generate ceph_manager subtask corresponding to ceph_manager
method name
"""
def task(ctx, config):
if config is None:
config = {}
args = config.get('args', [])
kwargs = config.get('kwargs', {})
cluster = config.get('cluster', 'ceph')
fn = getattr(ctx.managers[cluster], name)
fn(*args, **kwargs)
return task
revive_osd = utility_task("revive_osd")
revive_mon = utility_task("revive_mon")
kill_osd = utility_task("kill_osd")
kill_mon = utility_task("kill_mon")
create_pool = utility_task("create_pool")
remove_pool = utility_task("remove_pool")
wait_for_clean = utility_task("wait_for_clean")
flush_all_pg_stats = utility_task("flush_all_pg_stats")
set_pool_property = utility_task("set_pool_property")
do_pg_scrub = utility_task("do_pg_scrub")
wait_for_pool = utility_task("wait_for_pool")
wait_for_pools = utility_task("wait_for_pools")
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