ceph/teuthology/nuke.py
Sage Weil 5acc57f5ad remove basedir/testdir distinction
We should never run with a conflicting testdir in the basedir, and the
code to do this is confusing and buggy.  Go back to a single testdir and
simple checks.

Signed-off-by: Sage Weil <sage@inktank.com>
2013-09-10 10:53:41 -07:00

491 lines
16 KiB
Python

import argparse
import yaml
def parse_args():
from teuthology.run import config_file
from teuthology.run import MergeConfig
parser = argparse.ArgumentParser(description='Reset test machines')
parser.add_argument(
'-v', '--verbose',
action='store_true', default=None,
help='be more verbose'
)
parser.add_argument(
'-t', '--targets',
nargs='+',
type=config_file,
action=MergeConfig,
default={},
dest='config',
help='yaml config containing machines to nuke',
)
parser.add_argument(
'-a', '--archive',
metavar='DIR',
help='archive path for a job to kill and nuke',
)
parser.add_argument(
'--owner',
help='job owner',
)
parser.add_argument(
'-p','--pid',
type=int,
default=False,
help='pid of the process to be killed',
)
parser.add_argument(
'-r', '--reboot-all',
action='store_true',
default=False,
help='reboot all machines',
)
parser.add_argument(
'-s', '--synch-clocks',
action='store_true',
default=False,
help='synchronize clocks on all machines',
)
parser.add_argument(
'-u', '--unlock',
action='store_true',
default=False,
help='Unlock each successfully nuked machine, and output targets that'
'could not be nuked.'
)
parser.add_argument(
'-n', '--name',
metavar='NAME',
help='Name of run to cleanup'
)
parser.add_argument(
'-i', '--noipmi',
action='store_true', default=False,
help='Skip ipmi checking'
)
args = parser.parse_args()
return args
def shutdown_daemons(ctx, log):
from .orchestra import run
nodes = {}
for remote in ctx.cluster.remotes.iterkeys():
proc = remote.run(
args=[
'if', 'grep', '-q', 'ceph-fuse', '/etc/mtab', run.Raw(';'),
'then',
'grep', 'ceph-fuse', '/etc/mtab', run.Raw('|'),
'grep', '-o', " /.* fuse", run.Raw('|'),
'grep', '-o', "/.* ", run.Raw('|'),
'xargs', 'sudo', 'fusermount', '-u', run.Raw(';'),
'fi',
run.Raw(';'),
'sudo',
'killall',
'--quiet',
'ceph-mon',
'ceph-osd',
'ceph-mds',
'ceph-fuse',
'ceph-disk',
'radosgw',
'ceph_test_rados',
'rados',
'apache2',
run.Raw('||'),
'true', # ignore errors from ceph binaries not being found
],
wait=False,
)
nodes[remote.name] = proc
for name, proc in nodes.iteritems():
log.info('Waiting for %s to finish shutdowns...', name)
proc.exitstatus.get()
def find_kernel_mounts(ctx, log):
from .orchestra import run
nodes = {}
log.info('Looking for kernel mounts to handle...')
for remote in ctx.cluster.remotes.iterkeys():
proc = remote.run(
args=[
'grep', '-q', ' ceph ' , '/etc/mtab',
run.Raw('||'),
'grep', '-q', '^/dev/rbd' , '/etc/mtab',
],
wait=False,
)
nodes[remote] = proc
kernel_mounts = list()
for remote, proc in nodes.iteritems():
try:
proc.exitstatus.get()
log.debug('kernel mount exists on %s', remote.name)
kernel_mounts.append(remote)
except run.CommandFailedError: # no mounts!
log.debug('no kernel mount on %s', remote.name)
return kernel_mounts
def remove_kernel_mounts(ctx, kernel_mounts, log):
"""
properly we should be able to just do a forced unmount,
but that doesn't seem to be working, so you should reboot instead
"""
from .orchestra import run
nodes = {}
for remote in kernel_mounts:
log.info('clearing kernel mount from %s', remote.name)
proc = remote.run(
args=[
'grep', 'ceph', '/etc/mtab', run.Raw('|'),
'grep', '-o', "on /.* type", run.Raw('|'),
'grep', '-o', "/.* ", run.Raw('|'),
'xargs', '-r',
'sudo', 'umount', '-f', run.Raw(';'),
'fi'
],
wait=False
)
nodes[remote] = proc
for remote, proc in nodes:
proc.exitstatus.get()
def remove_osd_mounts(ctx, log):
"""
unmount any osd data mounts (scratch disks)
"""
from .orchestra import run
ctx.cluster.run(
args=[
'grep',
'/var/lib/ceph/osd/',
'/etc/mtab',
run.Raw('|'),
'awk', '{print $2}', run.Raw('|'),
'xargs', '-r',
'sudo', 'umount', run.Raw(';'),
'true'
],
)
def remove_osd_tmpfs(ctx, log):
"""
unmount tmpfs mounts
"""
from .orchestra import run
ctx.cluster.run(
args=[
'egrep', 'tmpfs\s+/mnt', '/etc/mtab', run.Raw('|'),
'awk', '{print $2}', run.Raw('|'),
'xargs', '-r',
'sudo', 'umount', run.Raw(';'),
'true'
],
)
def reboot(ctx, remotes, log):
import time
nodes = {}
for remote in remotes:
log.info('rebooting %s', remote.name)
proc = remote.run( # note use of -n to force a no-sync reboot
args=['sudo', 'reboot', '-f', '-n'],
wait=False
)
nodes[remote] = proc
# we just ignore these procs because reboot -f doesn't actually
# send anything back to the ssh client!
#for remote, proc in nodes.iteritems():
#proc.exitstatus.get()
from teuthology.misc import reconnect
if remotes:
log.info('waiting for nodes to reboot')
time.sleep(5) #if we try and reconnect too quickly, it succeeds!
reconnect(ctx, 480) #allow 8 minutes for the reboots
def reset_syslog_dir(ctx, log):
from .orchestra import run
nodes = {}
for remote in ctx.cluster.remotes.iterkeys():
proc = remote.run(
args=[
'if', 'test', '-e', '/etc/rsyslog.d/80-cephtest.conf',
run.Raw(';'),
'then',
'sudo', 'rm', '-f', '--', '/etc/rsyslog.d/80-cephtest.conf',
run.Raw('&&'),
'sudo', 'service', 'rsyslog', 'restart',
run.Raw(';'),
'fi',
run.Raw(';'),
],
wait=False,
)
nodes[remote.name] = proc
for name, proc in nodes.iteritems():
log.info('Waiting for %s to restart syslog...', name)
proc.exitstatus.get()
def dpkg_configure(ctx, log):
from .orchestra import run
nodes = {}
for remote in ctx.cluster.remotes.iterkeys():
proc = remote.run(
args=[
'sudo', 'dpkg', '--configure', '-a',
run.Raw('&&'),
'sudo', 'apt-get', '-f', 'install',
run.Raw('||'),
':',
],
wait=False,
)
nodes[remote.name] = proc
for name, proc in nodes.iteritems():
log.info('Waiting for %s to dpkg --configure -a and apt-get -f install...', name)
proc.exitstatus.get()
def remove_installed_packages(ctx, log):
from teuthology.task import install as install_task
dpkg_configure(ctx, log)
config = {'project': 'ceph'}
install_task.remove_packages(ctx, config,
{"deb": install_task.deb_packages['ceph'],
"rpm": install_task.rpm_packages['ceph']})
install_task.remove_sources(ctx, config)
install_task.purge_data(ctx)
def remove_testing_tree(ctx, log):
from teuthology.misc import get_testdir
from .orchestra import run
nodes = {}
for remote in ctx.cluster.remotes.iterkeys():
proc = remote.run(
args=[
'sudo', 'rm', '-rf', get_testdir(ctx),
# just for old time's sake
run.Raw('&&'),
'sudo', 'rm', '-rf', '/tmp/cephtest',
run.Raw('&&'),
'sudo', 'rm', '-rf', '/home/ubuntu/cephtest',
run.Raw('&&'),
'sudo', 'rm', '-rf', '/etc/ceph',
],
wait=False,
)
nodes[remote.name] = proc
for name, proc in nodes.iteritems():
log.info('Waiting for %s to clear filesystem...', name)
proc.exitstatus.get()
def synch_clocks(remotes, log):
from .orchestra import run
nodes = {}
for remote in remotes:
proc = remote.run(
args=[
'sudo', 'service', 'ntp', 'stop',
run.Raw('&&'),
'sudo', 'ntpdate-debian',
run.Raw('&&'),
'sudo', 'hwclock', '--systohc', '--utc',
run.Raw('&&'),
'sudo', 'service', 'ntp', 'start',
run.Raw('||'),
'true', # ignore errors; we may be racing with ntpd startup
],
wait=False,
)
nodes[remote.name] = proc
for name, proc in nodes.iteritems():
log.info('Waiting for clock to synchronize on %s...', name)
proc.exitstatus.get()
def main():
from gevent import monkey; monkey.patch_all(dns=False)
from .orchestra import monkey; monkey.patch_all()
from teuthology.run import config_file
import logging
log = logging.getLogger(__name__)
ctx = parse_args()
loglevel = logging.INFO
if ctx.verbose:
loglevel = logging.DEBUG
logging.basicConfig(
level=loglevel,
)
info = {}
if ctx.archive:
ctx.config = config_file(ctx.archive + '/config.yaml')
ifn = os.path.join(ctx.archive, 'info.yaml')
if os.path.exists(ifn):
with file(ifn, 'r') as fd:
info = yaml.load(fd.read())
if not ctx.pid:
ctx.pid = info.get('pid')
if not ctx.pid:
ctx.pid = int(open(ctx.archive + '/pid').read().rstrip('\n'))
if not ctx.owner:
ctx.owner = info.get('owner')
if not ctx.owner:
ctx.owner = open(ctx.archive + '/owner').read().rstrip('\n')
from teuthology.misc import read_config
read_config(ctx)
log.info('\n '.join(['targets:', ] + yaml.safe_dump(ctx.config['targets'], default_flow_style=False).splitlines()))
if ctx.owner is None:
from teuthology.misc import get_user
ctx.owner = get_user()
if ctx.pid:
if ctx.archive:
import os
log.info('Killing teuthology process at pid %d', ctx.pid)
os.system('grep -q %s /proc/%d/cmdline && sudo kill %d' % (
ctx.archive,
ctx.pid,
ctx.pid))
else:
import subprocess
subprocess.check_call(["kill", "-9", str(ctx.pid)]);
nuke(ctx, log, ctx.unlock, ctx.synch_clocks, ctx.reboot_all, ctx.noipmi)
def nuke(ctx, log, should_unlock, sync_clocks=True, reboot_all=True,
noipmi=False):
from teuthology.parallel import parallel
total_unnuked = {}
with parallel() as p:
for target, hostkey in ctx.config['targets'].iteritems():
p.spawn(
nuke_one,
ctx,
{target: hostkey},
log,
should_unlock,
sync_clocks,
reboot_all,
ctx.config.get('check-locks', True),
noipmi,
)
for unnuked in p:
if unnuked:
total_unnuked.update(unnuked)
if total_unnuked:
log.error('Could not nuke the following targets:\n' + '\n '.join(['targets:', ] + yaml.safe_dump(total_unnuked, default_flow_style=False).splitlines()))
def nuke_one(ctx, targets, log, should_unlock, synch_clocks, reboot_all,
check_locks, noipmi):
from teuthology.lock import unlock
ret = None
ctx = argparse.Namespace(
config=dict(targets=targets),
owner=ctx.owner,
check_locks=check_locks,
synch_clocks=synch_clocks,
reboot_all=reboot_all,
teuthology_config=ctx.teuthology_config,
name=ctx.name,
noipmi=noipmi,
)
try:
nuke_helper(ctx, log)
except Exception:
log.exception('Could not nuke all targets in %s' % targets)
# not re-raising the so that parallel calls aren't killed
ret = targets
else:
if should_unlock:
for target in targets.keys():
unlock(ctx, target, ctx.owner)
return ret
def nuke_helper(ctx, log):
# ensure node is up with ipmi
from teuthology.orchestra import remote
(target,) = ctx.config['targets'].keys()
host = target.split('@')[-1]
shortname = host.split('.')[0]
if 'vpm' in shortname:
return
log.debug('shortname: %s' % shortname)
log.debug('{ctx}'.format(ctx=ctx))
if not ctx.noipmi and 'ipmi_user' in ctx.teuthology_config:
console = remote.getRemoteConsole(name=host,
ipmiuser=ctx.teuthology_config['ipmi_user'],
ipmipass=ctx.teuthology_config['ipmi_password'],
ipmidomain=ctx.teuthology_config['ipmi_domain'])
cname = '{host}.{domain}'.format(host=shortname, domain=ctx.teuthology_config['ipmi_domain'])
log.info('checking console status of %s' % cname)
if not console.check_status():
# not powered on or can't get IPMI status. Try to power on
console.power_on()
# try to get status again, waiting for login prompt this time
log.info('checking console status of %s' % cname)
if not console.check_status(100):
log.error('Failed to get console status for %s, disabling console...' % cname)
log.info('console ready on %s' % cname)
else:
log.info('console ready on %s' % cname)
from teuthology.task.internal import check_lock, connect
if ctx.check_locks:
check_lock(ctx, None)
connect(ctx, None)
log.info('Unmount ceph-fuse and killing daemons...')
shutdown_daemons(ctx, log)
log.info('All daemons killed.')
need_reboot = find_kernel_mounts(ctx, log)
# no need to unmount anything if we're rebooting
if ctx.reboot_all:
need_reboot = ctx.cluster.remotes.keys()
else:
log.info('Unmount any osd data directories...')
remove_osd_mounts(ctx, log)
log.info('Unmount any osd tmpfs dirs...')
remove_osd_tmpfs(ctx, log)
#log.info('Dealing with any kernel mounts...')
#remove_kernel_mounts(ctx, need_reboot, log)
if need_reboot:
reboot(ctx, need_reboot, log)
log.info('All kernel mounts gone.')
log.info('Synchronizing clocks...')
if ctx.synch_clocks:
need_reboot = ctx.cluster.remotes.keys()
synch_clocks(need_reboot, log)
log.info('Making sure firmware.git is not locked...')
ctx.cluster.run(args=[
'sudo', 'rm', '-f', '/lib/firmware/updates/.git/index.lock',
])
log.info('Reseting syslog output locations...')
reset_syslog_dir(ctx, log)
log.info('Clearing filesystem of test data...')
remove_testing_tree(ctx, log)
log.info('Filesystem Cleared.')
remove_installed_packages(ctx, log)
log.info('Installed packages removed.')