mirror of
https://github.com/ceph/ceph
synced 2024-12-25 12:54:16 +00:00
1994 lines
72 KiB
Python
1994 lines
72 KiB
Python
"""
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ceph manager -- Thrasher and CephManager objects
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"""
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from cStringIO import StringIO
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from functools import wraps
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import contextlib
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import random
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import signal
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import time
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import gevent
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import base64
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import json
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import logging
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import threading
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import traceback
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import os
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from teuthology import misc as teuthology
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from tasks.scrub import Scrubber
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from util.rados import cmd_erasure_code_profile
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from teuthology.orchestra.remote import Remote
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from teuthology.orchestra import run
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from teuthology.exceptions import CommandFailedError
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DEFAULT_CONF_PATH = '/etc/ceph/ceph.conf'
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log = logging.getLogger(__name__)
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def write_conf(ctx, conf_path=DEFAULT_CONF_PATH):
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conf_fp = StringIO()
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ctx.ceph.conf.write(conf_fp)
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conf_fp.seek(0)
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writes = ctx.cluster.run(
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args=[
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'sudo', 'mkdir', '-p', '/etc/ceph', run.Raw('&&'),
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'sudo', 'chmod', '0755', '/etc/ceph', run.Raw('&&'),
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'sudo', 'python',
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'-c',
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('import shutil, sys; '
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'shutil.copyfileobj(sys.stdin, file(sys.argv[1], "wb"))'),
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conf_path,
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run.Raw('&&'),
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'sudo', 'chmod', '0644', conf_path,
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],
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stdin=run.PIPE,
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wait=False)
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teuthology.feed_many_stdins_and_close(conf_fp, writes)
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run.wait(writes)
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def make_admin_daemon_dir(ctx, remote):
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"""
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Create /var/run/ceph directory on remote site.
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:param ctx: Context
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:param remote: Remote site
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"""
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remote.run(args=['sudo',
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'install', '-d', '-m0777', '--', '/var/run/ceph', ], )
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def mount_osd_data(ctx, remote, osd):
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"""
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Mount a remote OSD
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:param ctx: Context
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:param remote: Remote site
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:param ods: Osd name
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"""
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log.debug('Mounting data for osd.{o} on {r}'.format(o=osd, r=remote))
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if (remote in ctx.disk_config.remote_to_roles_to_dev and
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osd in ctx.disk_config.remote_to_roles_to_dev[remote]):
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dev = ctx.disk_config.remote_to_roles_to_dev[remote][osd]
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mount_options = ctx.disk_config.\
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remote_to_roles_to_dev_mount_options[remote][osd]
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fstype = ctx.disk_config.remote_to_roles_to_dev_fstype[remote][osd]
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mnt = os.path.join('/var/lib/ceph/osd', 'ceph-{id}'.format(id=osd))
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log.info('Mounting osd.{o}: dev: {n}, '
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'mountpoint: {p}, type: {t}, options: {v}'.format(
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o=osd, n=remote.name, p=mnt, t=fstype, v=mount_options))
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remote.run(
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args=[
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'sudo',
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'mount',
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'-t', fstype,
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'-o', ','.join(mount_options),
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dev,
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mnt,
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]
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)
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class Thrasher:
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"""
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Object used to thrash Ceph
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"""
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def __init__(self, manager, config, logger=None):
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self.ceph_manager = manager
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self.ceph_manager.wait_for_clean()
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osd_status = self.ceph_manager.get_osd_status()
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self.in_osds = osd_status['in']
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self.live_osds = osd_status['live']
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self.out_osds = osd_status['out']
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self.dead_osds = osd_status['dead']
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self.stopping = False
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self.logger = logger
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self.config = config
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self.revive_timeout = self.config.get("revive_timeout", 150)
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if self.config.get('powercycle'):
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self.revive_timeout += 120
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self.clean_wait = self.config.get('clean_wait', 0)
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self.minin = self.config.get("min_in", 3)
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self.chance_move_pg = self.config.get('chance_move_pg', 1.0)
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self.sighup_delay = self.config.get('sighup_delay')
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num_osds = self.in_osds + self.out_osds
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self.max_pgs = self.config.get("max_pgs_per_pool_osd", 1200) * num_osds
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if self.logger is not None:
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self.log = lambda x: self.logger.info(x)
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else:
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def tmp(x):
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"""
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Implement log behavior
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"""
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print x
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self.log = tmp
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if self.config is None:
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self.config = dict()
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# prevent monitor from auto-marking things out while thrasher runs
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# try both old and new tell syntax, in case we are testing old code
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try:
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manager.raw_cluster_cmd('--', 'tell', 'mon.*', 'injectargs',
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'--mon-osd-down-out-interval 0')
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except Exception:
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manager.raw_cluster_cmd('--', 'mon', 'tell', '*', 'injectargs',
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'--mon-osd-down-out-interval 0')
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self.thread = gevent.spawn(self.do_thrash)
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if self.sighup_delay:
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self.sighup_thread = gevent.spawn(self.do_sighup)
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if self.config.get('powercycle') or not self.cmd_exists_on_osds("ceph-objectstore-tool"):
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self.ceph_objectstore_tool = False
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self.test_rm_past_intervals = False
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if self.config.get('powercycle'):
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self.log("Unable to test ceph-objectstore-tool, "
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"powercycle testing")
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else:
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self.log("Unable to test ceph-objectstore-tool, "
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"not available on all OSD nodes")
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else:
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self.ceph_objectstore_tool = \
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self.config.get('ceph_objectstore_tool', True)
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self.test_rm_past_intervals = \
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self.config.get('test_rm_past_intervals', True)
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def cmd_exists_on_osds(self, cmd):
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allremotes = self.ceph_manager.ctx.cluster.only(\
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teuthology.is_type('osd')).remotes.keys()
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allremotes = list(set(allremotes))
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for remote in allremotes:
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proc = remote.run(args=['type', cmd], wait=True,
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check_status=False, stdout=StringIO(),
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stderr=StringIO())
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if proc.exitstatus != 0:
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return False;
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return True;
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def kill_osd(self, osd=None, mark_down=False, mark_out=False):
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"""
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:param osd: Osd to be killed.
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:mark_down: Mark down if true.
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:mark_out: Mark out if true.
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"""
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if osd is None:
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osd = random.choice(self.live_osds)
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self.log("Killing osd %s, live_osds are %s" % (str(osd),
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str(self.live_osds)))
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self.live_osds.remove(osd)
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self.dead_osds.append(osd)
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self.ceph_manager.kill_osd(osd)
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if mark_down:
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self.ceph_manager.mark_down_osd(osd)
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if mark_out and osd in self.in_osds:
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self.out_osd(osd)
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if self.ceph_objectstore_tool:
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self.log("Testing ceph-objectstore-tool on down osd")
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(remote,) = self.ceph_manager.ctx.\
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cluster.only('osd.{o}'.format(o=osd)).remotes.iterkeys()
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FSPATH = self.ceph_manager.get_filepath()
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JPATH = os.path.join(FSPATH, "journal")
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exp_osd = imp_osd = osd
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exp_remote = imp_remote = remote
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# If an older osd is available we'll move a pg from there
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if (len(self.dead_osds) > 1 and
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random.random() < self.chance_move_pg):
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exp_osd = random.choice(self.dead_osds[:-1])
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(exp_remote,) = self.ceph_manager.ctx.\
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cluster.only('osd.{o}'.format(o=exp_osd)).\
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remotes.iterkeys()
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if ('keyvaluestore_backend' in
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self.ceph_manager.ctx.ceph.conf['osd']):
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prefix = ("sudo adjust-ulimits ceph-objectstore-tool "
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"--data-path {fpath} --journal-path {jpath} "
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"--type keyvaluestore "
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"--log-file="
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"/var/log/ceph/objectstore_tool.\\$pid.log ".
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format(fpath=FSPATH, jpath=JPATH))
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else:
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prefix = ("sudo adjust-ulimits ceph-objectstore-tool "
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"--data-path {fpath} --journal-path {jpath} "
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"--log-file="
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"/var/log/ceph/objectstore_tool.\\$pid.log ".
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format(fpath=FSPATH, jpath=JPATH))
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cmd = (prefix + "--op list-pgs").format(id=exp_osd)
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proc = exp_remote.run(args=cmd, wait=True,
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check_status=False, stdout=StringIO())
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if proc.exitstatus:
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raise Exception("ceph-objectstore-tool: "
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"exp list-pgs failure with status {ret}".
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format(ret=proc.exitstatus))
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pgs = proc.stdout.getvalue().split('\n')[:-1]
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if len(pgs) == 0:
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self.log("No PGs found for osd.{osd}".format(osd=exp_osd))
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return
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pg = random.choice(pgs)
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exp_path = teuthology.get_testdir(self.ceph_manager.ctx)
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exp_path = os.path.join(exp_path, "data")
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exp_path = os.path.join(exp_path,
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"exp.{pg}.{id}".format(pg=pg, id=exp_osd))
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# export
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cmd = prefix + "--op export --pgid {pg} --file {file}"
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cmd = cmd.format(id=exp_osd, pg=pg, file=exp_path)
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proc = exp_remote.run(args=cmd)
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if proc.exitstatus:
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raise Exception("ceph-objectstore-tool: "
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"export failure with status {ret}".
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format(ret=proc.exitstatus))
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# remove
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cmd = prefix + "--op remove --pgid {pg}"
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cmd = cmd.format(id=exp_osd, pg=pg)
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proc = exp_remote.run(args=cmd)
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if proc.exitstatus:
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raise Exception("ceph-objectstore-tool: "
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"remove failure with status {ret}".
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format(ret=proc.exitstatus))
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# If there are at least 2 dead osds we might move the pg
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if exp_osd != imp_osd:
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# If pg isn't already on this osd, then we will move it there
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cmd = (prefix + "--op list-pgs").format(id=imp_osd)
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proc = imp_remote.run(args=cmd, wait=True,
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check_status=False, stdout=StringIO())
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if proc.exitstatus:
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raise Exception("ceph-objectstore-tool: "
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"imp list-pgs failure with status {ret}".
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format(ret=proc.exitstatus))
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pgs = proc.stdout.getvalue().split('\n')[:-1]
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if pg not in pgs:
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self.log("Moving pg {pg} from osd.{fosd} to osd.{tosd}".
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format(pg=pg, fosd=exp_osd, tosd=imp_osd))
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if imp_remote != exp_remote:
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# Copy export file to the other machine
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self.log("Transfer export file from {srem} to {trem}".
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format(srem=exp_remote, trem=imp_remote))
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tmpexport = Remote.get_file(exp_remote, exp_path)
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Remote.put_file(imp_remote, tmpexport, exp_path)
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os.remove(tmpexport)
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else:
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# Can't move the pg after all
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imp_osd = exp_osd
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imp_remote = exp_remote
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# import
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cmd = (prefix + "--op import --file {file}")
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cmd = cmd.format(id=imp_osd, file=exp_path)
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proc = imp_remote.run(args=cmd, wait=True, check_status=False)
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if proc.exitstatus == 10:
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self.log("Pool went away before processing an import"
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"...ignored")
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elif proc.exitstatus == 11:
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self.log("Attempt to import an incompatible export"
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"...ignored")
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elif proc.exitstatus:
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raise Exception("ceph-objectstore-tool: "
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"import failure with status {ret}".
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format(ret=proc.exitstatus))
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cmd = "rm -f {file}".format(file=exp_path)
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exp_remote.run(args=cmd)
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if imp_remote != exp_remote:
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imp_remote.run(args=cmd)
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def rm_past_intervals(self, osd=None):
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"""
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:param osd: Osd to find pg to remove past intervals
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"""
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if self.test_rm_past_intervals:
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if osd is None:
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osd = random.choice(self.dead_osds)
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self.log("Use ceph_objectstore_tool to remove past intervals")
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(remote,) = self.ceph_manager.ctx.\
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cluster.only('osd.{o}'.format(o=osd)).remotes.iterkeys()
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FSPATH = self.ceph_manager.get_filepath()
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JPATH = os.path.join(FSPATH, "journal")
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if ('keyvaluestore_backend' in
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self.ceph_manager.ctx.ceph.conf['osd']):
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prefix = ("sudo adjust-ulimits ceph-objectstore-tool "
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"--data-path {fpath} --journal-path {jpath} "
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"--type keyvaluestore "
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"--log-file="
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"/var/log/ceph/objectstore_tool.\\$pid.log ".
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format(fpath=FSPATH, jpath=JPATH))
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else:
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prefix = ("sudo adjust-ulimits ceph-objectstore-tool "
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"--data-path {fpath} --journal-path {jpath} "
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"--log-file="
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"/var/log/ceph/objectstore_tool.\\$pid.log ".
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format(fpath=FSPATH, jpath=JPATH))
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cmd = (prefix + "--op list-pgs").format(id=osd)
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proc = remote.run(args=cmd, wait=True,
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check_status=False, stdout=StringIO())
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if proc.exitstatus:
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raise Exception("ceph_objectstore_tool: "
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"exp list-pgs failure with status {ret}".
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format(ret=proc.exitstatus))
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pgs = proc.stdout.getvalue().split('\n')[:-1]
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if len(pgs) == 0:
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self.log("No PGs found for osd.{osd}".format(osd=osd))
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return
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pg = random.choice(pgs)
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cmd = (prefix + "--op rm-past-intervals --pgid {pg}").\
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format(id=osd, pg=pg)
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proc = remote.run(args=cmd)
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if proc.exitstatus:
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raise Exception("ceph_objectstore_tool: "
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"rm-past-intervals failure with status {ret}".
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format(ret=proc.exitstatus))
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def blackhole_kill_osd(self, osd=None):
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"""
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If all else fails, kill the osd.
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:param osd: Osd to be killed.
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"""
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if osd is None:
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osd = random.choice(self.live_osds)
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self.log("Blackholing and then killing osd %s, live_osds are %s" %
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(str(osd), str(self.live_osds)))
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self.live_osds.remove(osd)
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self.dead_osds.append(osd)
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self.ceph_manager.blackhole_kill_osd(osd)
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def revive_osd(self, osd=None, skip_admin_check=False):
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"""
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Revive the osd.
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:param osd: Osd to be revived.
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"""
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if osd is None:
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osd = random.choice(self.dead_osds)
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self.log("Reviving osd %s" % (str(osd),))
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self.ceph_manager.revive_osd(
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osd,
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self.revive_timeout,
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skip_admin_check=skip_admin_check)
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self.dead_osds.remove(osd)
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self.live_osds.append(osd)
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def out_osd(self, osd=None):
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"""
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Mark the osd out
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:param osd: Osd to be marked.
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"""
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if osd is None:
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osd = random.choice(self.in_osds)
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self.log("Removing osd %s, in_osds are: %s" %
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(str(osd), str(self.in_osds)))
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self.ceph_manager.mark_out_osd(osd)
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self.in_osds.remove(osd)
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self.out_osds.append(osd)
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def in_osd(self, osd=None):
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"""
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Mark the osd out
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:param osd: Osd to be marked.
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"""
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if osd is None:
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osd = random.choice(self.out_osds)
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if osd in self.dead_osds:
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return self.revive_osd(osd)
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self.log("Adding osd %s" % (str(osd),))
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self.out_osds.remove(osd)
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self.in_osds.append(osd)
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self.ceph_manager.mark_in_osd(osd)
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self.log("Added osd %s" % (str(osd),))
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def reweight_osd(self, osd=None):
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"""
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Reweight an osd that is in
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:param osd: Osd to be marked.
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"""
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if osd is None:
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osd = random.choice(self.in_osds)
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val = random.uniform(.1, 1.0)
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self.log("Reweighting osd %s to %s" % (str(osd), str(val)))
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self.ceph_manager.raw_cluster_cmd('osd', 'reweight',
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str(osd), str(val))
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def primary_affinity(self, osd=None):
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if osd is None:
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osd = random.choice(self.in_osds)
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if random.random() >= .5:
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pa = random.random()
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elif random.random() >= .5:
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pa = 1
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else:
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pa = 0
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self.log('Setting osd %s primary_affinity to %f' % (str(osd), pa))
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self.ceph_manager.raw_cluster_cmd('osd', 'primary-affinity',
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str(osd), str(pa))
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def all_up(self):
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"""
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Make sure all osds are up and not out.
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"""
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while len(self.dead_osds) > 0:
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self.log("reviving osd")
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self.revive_osd()
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while len(self.out_osds) > 0:
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self.log("inning osd")
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self.in_osd()
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def do_join(self):
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"""
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Break out of this Ceph loop
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"""
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self.stopping = True
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self.thread.get()
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if self.sighup_delay:
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self.log("joining the do_sighup greenlet")
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self.sighup_thread.get()
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def grow_pool(self):
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"""
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Increase the size of the pool
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"""
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pool = self.ceph_manager.get_pool()
|
|
self.log("Growing pool %s" % (pool,))
|
|
self.ceph_manager.expand_pool(pool,
|
|
self.config.get('pool_grow_by', 10),
|
|
self.max_pgs)
|
|
|
|
def fix_pgp_num(self):
|
|
"""
|
|
Fix number of pgs in pool.
|
|
"""
|
|
pool = self.ceph_manager.get_pool()
|
|
self.log("fixing pg num pool %s" % (pool,))
|
|
self.ceph_manager.set_pool_pgpnum(pool)
|
|
|
|
def test_pool_min_size(self):
|
|
"""
|
|
Kill and revive all osds except one.
|
|
"""
|
|
self.log("test_pool_min_size")
|
|
self.all_up()
|
|
self.ceph_manager.wait_for_recovery(
|
|
timeout=self.config.get('timeout')
|
|
)
|
|
the_one = random.choice(self.in_osds)
|
|
self.log("Killing everyone but %s", the_one)
|
|
to_kill = filter(lambda x: x != the_one, self.in_osds)
|
|
[self.kill_osd(i) for i in to_kill]
|
|
[self.out_osd(i) for i in to_kill]
|
|
time.sleep(self.config.get("test_pool_min_size_time", 10))
|
|
self.log("Killing %s" % (the_one,))
|
|
self.kill_osd(the_one)
|
|
self.out_osd(the_one)
|
|
self.log("Reviving everyone but %s" % (the_one,))
|
|
[self.revive_osd(i) for i in to_kill]
|
|
[self.in_osd(i) for i in to_kill]
|
|
self.log("Revived everyone but %s" % (the_one,))
|
|
self.log("Waiting for clean")
|
|
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}".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 osd_backfill_full_ratio 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 backfills stop.
|
|
"""
|
|
self.log("injecting osd_backfill_full_ratio = 0")
|
|
for i in self.live_osds:
|
|
self.ceph_manager.set_config(
|
|
i,
|
|
osd_debug_skip_full_check_in_backfill_reservation=
|
|
random.choice(['false', 'true']),
|
|
osd_backfill_full_ratio=0)
|
|
for i in range(30):
|
|
status = self.ceph_manager.compile_pg_status()
|
|
if 'backfill' not in status.keys():
|
|
break
|
|
self.log(
|
|
"waiting for {still_going} backfills".format(
|
|
still_going=status.get('backfill')))
|
|
time.sleep(1)
|
|
assert('backfill' 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',
|
|
osd_backfill_full_ratio=0.85)
|
|
|
|
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
|
|
"""
|
|
while len(self.in_osds) < (self.minin + 1):
|
|
self.in_osd()
|
|
self.log("Waiting for recovery")
|
|
self.ceph_manager.wait_for_all_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)
|
|
chance_test_min_size = 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 = self.config.get("min_out", 0)
|
|
minlive = self.config.get("min_live", 2)
|
|
mindead = self.config.get("min_dead", 0)
|
|
|
|
self.log('choose_action: min_in %d min_out '
|
|
'%d min_live %d min_dead %d' %
|
|
(minin, minout, minlive, mindead))
|
|
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.dead_osds) > 1:
|
|
actions.append((self.rm_past_intervals, 1.0,))
|
|
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,
|
|
self.config.get('reweight_osd', .5),))
|
|
actions.append((self.grow_pool,
|
|
self.config.get('chance_pgnum_grow', 0),))
|
|
actions.append((self.fix_pgp_num,
|
|
self.config.get('chance_pgpnum_fix', 0),))
|
|
actions.append((self.test_pool_min_size,
|
|
chance_test_min_size,))
|
|
actions.append((self.test_backfill_full,
|
|
chance_test_backfill_full,))
|
|
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)
|
|
|
|
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 log_exc(func):
|
|
@wraps(func)
|
|
def wrapper(self):
|
|
try:
|
|
return func(self)
|
|
except:
|
|
self.log(traceback.format_exc())
|
|
raise
|
|
return wrapper
|
|
|
|
@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_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.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)):
|
|
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()
|
|
|
|
|
|
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)
|
|
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
|
|
if self.object_name:
|
|
self.pgid = self.manager.get_object_pg_with_shard(self.pool,
|
|
self.object_name,
|
|
self.osd)
|
|
self.remote = self.manager.ctx.\
|
|
cluster.only('osd.{o}'.format(o=self.osd)).remotes.keys()[0]
|
|
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, stdin=None):
|
|
self.manager.kill_osd(self.osd)
|
|
cmd = self.build_cmd(options, args, stdin)
|
|
self.manager.log(cmd)
|
|
try:
|
|
proc = self.remote.run(args=['bash', '-e', '-x', '-c', cmd],
|
|
check_status=False,
|
|
stdout=StringIO(),
|
|
stderr=StringIO())
|
|
proc.wait()
|
|
if proc.exitstatus != 0:
|
|
self.manager.log("failed with " + str(proc.exitstatus))
|
|
error = proc.stdout.getvalue() + " " + proc.stderr.getvalue()
|
|
raise Exception(error)
|
|
finally:
|
|
self.manager.revive_osd(self.osd)
|
|
|
|
|
|
class CephManager:
|
|
"""
|
|
Ceph manager object.
|
|
Contains several local functions that form a bulk of this module.
|
|
"""
|
|
|
|
REPLICATED_POOL = 1
|
|
ERASURE_CODED_POOL = 3
|
|
|
|
def __init__(self, controller, ctx=None, config=None, logger=None):
|
|
self.lock = threading.RLock()
|
|
self.ctx = ctx
|
|
self.config = config
|
|
self.controller = controller
|
|
self.next_pool_id = 0
|
|
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()
|
|
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_property(pool, 'pg_num')
|
|
except CommandFailedError:
|
|
self.log('Failed to get pg_num from pool %s, ignoring' % pool)
|
|
|
|
def raw_cluster_cmd(self, *args):
|
|
"""
|
|
Start ceph on a raw cluster. Return count
|
|
"""
|
|
testdir = teuthology.get_testdir(self.ctx)
|
|
ceph_args = [
|
|
'sudo',
|
|
'adjust-ulimits',
|
|
'ceph-coverage',
|
|
'{tdir}/archive/coverage'.format(tdir=testdir),
|
|
'ceph',
|
|
]
|
|
ceph_args.extend(args)
|
|
proc = self.controller.run(
|
|
args=ceph_args,
|
|
stdout=StringIO(),
|
|
)
|
|
return proc.stdout.getvalue()
|
|
|
|
def raw_cluster_cmd_result(self, *args):
|
|
"""
|
|
Start ceph on a cluster. Return success or failure information.
|
|
"""
|
|
testdir = teuthology.get_testdir(self.ctx)
|
|
ceph_args = [
|
|
'sudo',
|
|
'adjust-ulimits',
|
|
'ceph-coverage',
|
|
'{tdir}/archive/coverage'.format(tdir=testdir),
|
|
'ceph',
|
|
]
|
|
ceph_args.extend(args)
|
|
proc = self.controller.run(
|
|
args=ceph_args,
|
|
check_status=False,
|
|
)
|
|
return proc.exitstatus
|
|
|
|
def do_rados(self, remote, cmd):
|
|
"""
|
|
Execute a remote rados command.
|
|
"""
|
|
testdir = teuthology.get_testdir(self.ctx)
|
|
pre = [
|
|
'adjust-ulimits',
|
|
'ceph-coverage',
|
|
'{tdir}/archive/coverage'.format(tdir=testdir),
|
|
'rados',
|
|
]
|
|
pre.extend(cmd)
|
|
proc = remote.run(
|
|
args=pre,
|
|
wait=True,
|
|
)
|
|
return proc
|
|
|
|
def rados_write_objects(self, pool, num_objects, size,
|
|
timelimit, threads, cleanup=False):
|
|
"""
|
|
Write rados objects
|
|
Threads not used yet.
|
|
"""
|
|
args = [
|
|
'-p', pool,
|
|
'--num-objects', num_objects,
|
|
'-b', size,
|
|
'bench', timelimit,
|
|
'write'
|
|
]
|
|
if not cleanup:
|
|
args.append('--no-cleanup')
|
|
return self.do_rados(self.controller, map(str, args))
|
|
|
|
def do_put(self, pool, obj, fname):
|
|
"""
|
|
Implement rados put operation
|
|
"""
|
|
return self.do_rados(
|
|
self.controller,
|
|
[
|
|
'-p',
|
|
pool,
|
|
'put',
|
|
obj,
|
|
fname
|
|
]
|
|
)
|
|
|
|
def do_get(self, pool, obj, fname='/dev/null'):
|
|
"""
|
|
Implement rados get operation
|
|
"""
|
|
return self.do_rados(
|
|
self.controller,
|
|
[
|
|
'-p',
|
|
pool,
|
|
'stat',
|
|
obj,
|
|
fname
|
|
]
|
|
)
|
|
|
|
def osd_admin_socket(self, osd_id, command, check_status=True):
|
|
return self.admin_socket('osd', osd_id, command, check_status)
|
|
|
|
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
|
|
"""
|
|
for _remote, roles_for_host in self.ctx.cluster.remotes.iteritems():
|
|
for id_ in teuthology.roles_of_type(roles_for_host, service_type):
|
|
if id_ == str(service_id):
|
|
return _remote
|
|
|
|
raise KeyError("Service {0}.{1} not found".format(service_type,
|
|
service_id))
|
|
|
|
def admin_socket(self, service_type, service_id,
|
|
command, check_status=True):
|
|
"""
|
|
Remotely start up ceph specifying the admin socket
|
|
:param command: a list of words to use as the command
|
|
to the admin socket
|
|
"""
|
|
testdir = teuthology.get_testdir(self.ctx)
|
|
remote = self.find_remote(service_type, service_id)
|
|
args = [
|
|
'sudo',
|
|
'adjust-ulimits',
|
|
'ceph-coverage',
|
|
'{tdir}/archive/coverage'.format(tdir=testdir),
|
|
'ceph',
|
|
'--admin-daemon',
|
|
'/var/run/ceph/ceph-{type}.{id}.asok'.format(
|
|
type=service_type,
|
|
id=service_id),
|
|
]
|
|
args.extend(command)
|
|
return remote.run(
|
|
args=args,
|
|
stdout=StringIO(),
|
|
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
|
|
"""
|
|
output = self.raw_cluster_cmd("pg", "dump", '--format=json')
|
|
j = json.loads('\n'.join(output.split('\n')[1:]))
|
|
pg_str = self.get_pgid(pool, pgnum)
|
|
for pg in j['pg_stats']:
|
|
if pg['pgid'] == pg_str:
|
|
return int(pg['acting'][-1])
|
|
assert False
|
|
|
|
def get_pg_primary(self, pool, pgnum):
|
|
"""
|
|
get primary for pool, pgnum (e.g. (data, 0)->0
|
|
"""
|
|
output = self.raw_cluster_cmd("pg", "dump", '--format=json')
|
|
j = json.loads('\n'.join(output.split('\n')[1:]))
|
|
pg_str = self.get_pgid(pool, pgnum)
|
|
for pg in j['pg_stats']:
|
|
if pg['pgid'] == pg_str:
|
|
return int(pg['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):
|
|
"""
|
|
If osd_admin_socket call suceeds, return. Otherwise wait
|
|
five seconds and try again.
|
|
"""
|
|
tries = 0
|
|
while True:
|
|
proc = self.admin_socket(service_type, service_id,
|
|
args, check_status=False)
|
|
if proc.exitstatus is 0:
|
|
break
|
|
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 set_config(self, osdnum, **argdict):
|
|
"""
|
|
:param osdnum: osd number
|
|
:param argdict: dictionary containing values to set.
|
|
"""
|
|
for k, v in argdict.iteritems():
|
|
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-pretty')
|
|
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 = 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'))]
|
|
live_osds = [int(x.id_) for x in
|
|
filter(lambda x:
|
|
x.running(),
|
|
self.ctx.daemons.iter_daemons_of_role('osd'))]
|
|
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):
|
|
"""
|
|
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)
|
|
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):
|
|
"""
|
|
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
|
|
"""
|
|
with self.lock:
|
|
assert isinstance(pool_name, basestring)
|
|
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))
|
|
self.pools[pool_name] = pg_num
|
|
|
|
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, basestring)
|
|
assert pool_name in self.pools
|
|
self.log("removing pool_name %s" % (pool_name,))
|
|
del self.pools[pool_name]
|
|
self.do_rados(self.controller,
|
|
['rmpool', pool_name, pool_name,
|
|
"--yes-i-really-really-mean-it"])
|
|
|
|
def get_pool(self):
|
|
"""
|
|
Pick a random pool
|
|
"""
|
|
with self.lock:
|
|
return random.choice(self.pools.keys())
|
|
|
|
def get_pool_pg_num(self, pool_name):
|
|
"""
|
|
Return the number of pgs in the pool specified.
|
|
"""
|
|
with self.lock:
|
|
assert isinstance(pool_name, basestring)
|
|
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 an int value.
|
|
"""
|
|
with self.lock:
|
|
assert isinstance(pool_name, basestring)
|
|
assert isinstance(prop, basestring)
|
|
output = self.raw_cluster_cmd(
|
|
'osd',
|
|
'pool',
|
|
'get',
|
|
pool_name,
|
|
prop)
|
|
return int(output.split()[1])
|
|
|
|
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, basestring)
|
|
assert isinstance(prop, basestring)
|
|
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, basestring)
|
|
assert isinstance(by, int)
|
|
assert pool_name in self.pools
|
|
if self.get_num_creating() > 0:
|
|
return
|
|
if (self.pools[pool_name] + by) > max_pgs:
|
|
return
|
|
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
|
|
|
|
def set_pool_pgpnum(self, pool_name):
|
|
"""
|
|
Set pgpnum property of pool_name pool.
|
|
"""
|
|
with self.lock:
|
|
assert isinstance(pool_name, basestring)
|
|
assert pool_name in self.pools
|
|
if self.get_num_creating() > 0:
|
|
return
|
|
self.set_pool_property(pool_name, 'pgp_num', self.pools[pool_name])
|
|
|
|
def list_pg_missing(self, pgid):
|
|
"""
|
|
return list of missing pgs with the id specified
|
|
"""
|
|
r = None
|
|
offset = {}
|
|
while True:
|
|
out = self.raw_cluster_cmd('--', 'pg', pgid, 'list_missing',
|
|
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:]))
|
|
return j['pg_stats']
|
|
|
|
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
|
|
|
|
def pg_scrubbing(self, pool, pgnum):
|
|
"""
|
|
pg scrubbing wrapper
|
|
"""
|
|
pgstr = self.get_pgid(pool, pgnum)
|
|
stats = self.get_single_pg_stats(pgstr)
|
|
return 'scrub' in stats['state']
|
|
|
|
def pg_repairing(self, pool, pgnum):
|
|
"""
|
|
pg repairing wrapper
|
|
"""
|
|
pgstr = self.get_pgid(pool, pgnum)
|
|
stats = self.get_single_pg_stats(pgstr)
|
|
return 'repair' in stats['state']
|
|
|
|
def pg_inconsistent(self, pool, pgnum):
|
|
"""
|
|
pg inconsistent wrapper
|
|
"""
|
|
pgstr = self.get_pgid(pool, pgnum)
|
|
stats = self.get_single_pg_stats(pgstr)
|
|
return 'inconsistent' in stats['state']
|
|
|
|
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)
|
|
self.raw_cluster_cmd('pg', stype, self.get_pgid(pool, pgnum))
|
|
while init == self.get_last_scrub_stamp(pool, pgnum):
|
|
self.log("waiting for scrub type %s" % (stype,))
|
|
time.sleep(10)
|
|
|
|
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"] == CephManager.ERASURE_CODED_POOL:
|
|
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_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)
|
|
|
|
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()
|
|
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()
|
|
num = 0
|
|
for pg in pgs:
|
|
if (pg['state'].count('active') and
|
|
not pg['state'].count('recover') and
|
|
not pg['state'].count('backfill') 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()
|
|
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()
|
|
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 is_clean(self):
|
|
"""
|
|
True if all pgs are clean
|
|
"""
|
|
return self.get_num_active_clean() == self.get_num_pgs()
|
|
|
|
def is_recovered(self):
|
|
"""
|
|
True if all pgs have recovered
|
|
"""
|
|
return self.get_num_active_recovered() == self.get_num_pgs()
|
|
|
|
def is_active_or_down(self):
|
|
"""
|
|
True if all pgs are active or down
|
|
"""
|
|
return self.get_num_active_down() == self.get_num_pgs()
|
|
|
|
def wait_for_clean(self, timeout=None):
|
|
"""
|
|
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")
|
|
assert time.time() - start < timeout, \
|
|
'failed to become clean 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_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_up'
|
|
time.sleep(3)
|
|
self.log("all up!")
|
|
|
|
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():
|
|
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')
|
|
out = self.raw_cluster_cmd('pg', 'dump')
|
|
self.log(out)
|
|
assert time.time() - start < timeout, \
|
|
'failed to recover 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:
|
|
assert time.time() - start < timeout, \
|
|
'failed to recover 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:
|
|
assert time.time() - start < timeout, \
|
|
'failed to recover 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 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:
|
|
assert time.time() - start < timeout, \
|
|
'failed to become active before timeout expired'
|
|
time.sleep(3)
|
|
self.log("active!")
|
|
|
|
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.ctx.cluster.only('osd.{o}'.format(o=osd)).
|
|
remotes.iterkeys())
|
|
self.log('kill_osd on osd.{o} '
|
|
'doing powercycle of {s}'.format(o=osd, s=remote.name))
|
|
assert remote.console is not None, ("powercycling requested "
|
|
"but RemoteConsole is not "
|
|
"initialized. "
|
|
"Check ipmi config.")
|
|
remote.console.power_off()
|
|
else:
|
|
self.ctx.daemons.get_daemon('osd', osd).stop()
|
|
|
|
def blackhole_kill_osd(self, osd):
|
|
"""
|
|
Stop osd if nothing else works.
|
|
"""
|
|
self.raw_cluster_cmd('--', 'tell', 'osd.%d' % osd,
|
|
'injectargs', '--filestore-blackhole')
|
|
time.sleep(2)
|
|
self.ctx.daemons.get_daemon('osd', osd).stop()
|
|
|
|
def revive_osd(self, osd, timeout=150, 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.ctx.cluster.only('osd.{o}'.format(o=osd)).
|
|
remotes.iterkeys())
|
|
self.log('kill_osd on osd.{o} doing powercycle of {s}'.
|
|
format(o=osd, s=remote.name))
|
|
assert remote.console is not None, ("powercycling requested "
|
|
"but RemoteConsole is not "
|
|
"initialized. "
|
|
"Check ipmi config.")
|
|
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, str(osd))
|
|
make_admin_daemon_dir(self.ctx, remote)
|
|
self.ctx.daemons.get_daemon('osd', osd).reset()
|
|
self.ctx.daemons.get_daemon('osd', osd).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)
|
|
|
|
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).signal(sig, silent=silent)
|
|
|
|
## monitors
|
|
def signal_mon(self, mon, sig, silent=False):
|
|
"""
|
|
Wrapper to local get_deamon call
|
|
"""
|
|
self.ctx.daemons.get_daemon('mon', mon).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.ctx.cluster.only('mon.{m}'.format(m=mon)).
|
|
remotes.iterkeys())
|
|
self.log('kill_mon on mon.{m} doing powercycle of {s}'.
|
|
format(m=mon, s=remote.name))
|
|
assert remote.console is not None, ("powercycling requested "
|
|
"but RemoteConsole is not "
|
|
"initialized. "
|
|
"Check ipmi config.")
|
|
|
|
remote.console.power_off()
|
|
else:
|
|
self.ctx.daemons.get_daemon('mon', mon).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.ctx.cluster.only('mon.{m}'.format(m=mon)).
|
|
remotes.iterkeys())
|
|
self.log('revive_mon on mon.{m} doing powercycle of {s}'.
|
|
format(m=mon, s=remote.name))
|
|
assert remote.console is not None, ("powercycling requested "
|
|
"but RemoteConsole is not "
|
|
"initialized. "
|
|
"Check ipmi config.")
|
|
|
|
remote.console.power_on()
|
|
make_admin_daemon_dir(self.ctx, remote)
|
|
self.ctx.daemons.get_daemon('mon', mon).restart()
|
|
|
|
def get_mon_status(self, mon):
|
|
"""
|
|
Extract all the monitor status information from the cluster
|
|
"""
|
|
addr = self.ctx.ceph.conf['mon.%s' % mon]['mon addr']
|
|
out = self.raw_cluster_cmd('-m', addr, '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)
|
|
self.log('quorum_status is %s' % 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)
|
|
start = time.time()
|
|
while not len(self.get_mon_quorum()) == size:
|
|
if timeout is not None:
|
|
assert time.time() - start < timeout, \
|
|
('failed to reach quorum size %d '
|
|
'before timeout expired' % size)
|
|
time.sleep(3)
|
|
self.log("quorum is size %d" % size)
|
|
|
|
def get_mon_health(self, debug=False):
|
|
"""
|
|
Extract all the monitor health information.
|
|
"""
|
|
out = self.raw_cluster_cmd('health', '--format=json')
|
|
if debug:
|
|
self.log('health:\n{h}'.format(h=out))
|
|
return json.loads(out)
|
|
|
|
## metadata servers
|
|
|
|
def kill_mds(self, mds):
|
|
"""
|
|
Powercyle if set in config, otherwise just stop.
|
|
"""
|
|
if self.config.get('powercycle'):
|
|
(remote,) = (self.ctx.cluster.only('mds.{m}'.format(m=mds)).
|
|
remotes.iterkeys())
|
|
self.log('kill_mds on mds.{m} doing powercycle of {s}'.
|
|
format(m=mds, s=remote.name))
|
|
assert remote.console is not None, ("powercycling requested "
|
|
"but RemoteConsole is not "
|
|
"initialized. "
|
|
"Check ipmi config.")
|
|
remote.console.power_off()
|
|
else:
|
|
self.ctx.daemons.get_daemon('mds', mds).stop()
|
|
|
|
def kill_mds_by_rank(self, rank):
|
|
"""
|
|
kill_mds wrapper to kill based on rank passed.
|
|
"""
|
|
status = self.get_mds_status_by_rank(rank)
|
|
self.kill_mds(status['name'])
|
|
|
|
def revive_mds(self, mds, standby_for_rank=None):
|
|
"""
|
|
Revive mds -- do an ipmpi powercycle (if indicated by the config)
|
|
and then restart (using --hot-standby if specified.
|
|
"""
|
|
if self.config.get('powercycle'):
|
|
(remote,) = (self.ctx.cluster.only('mds.{m}'.format(m=mds)).
|
|
remotes.iterkeys())
|
|
self.log('revive_mds on mds.{m} doing powercycle of {s}'.
|
|
format(m=mds, s=remote.name))
|
|
assert remote.console is not None, ("powercycling requested "
|
|
"but RemoteConsole is not "
|
|
"initialized. "
|
|
"Check ipmi config.")
|
|
remote.console.power_on()
|
|
make_admin_daemon_dir(self.ctx, remote)
|
|
args = []
|
|
if standby_for_rank:
|
|
args.extend(['--hot-standby', standby_for_rank])
|
|
self.ctx.daemons.get_daemon('mds', mds).restart(*args)
|
|
|
|
def revive_mds_by_rank(self, rank, standby_for_rank=None):
|
|
"""
|
|
revive_mds wrapper to revive based on rank passed.
|
|
"""
|
|
status = self.get_mds_status_by_rank(rank)
|
|
self.revive_mds(status['name'], standby_for_rank)
|
|
|
|
def get_mds_status(self, mds):
|
|
"""
|
|
Run cluster commands for the mds in order to get mds information
|
|
"""
|
|
out = self.raw_cluster_cmd('mds', 'dump', '--format=json')
|
|
j = json.loads(' '.join(out.splitlines()[1:]))
|
|
# collate; for dup ids, larger gid wins.
|
|
for info in j['info'].itervalues():
|
|
if info['name'] == mds:
|
|
return info
|
|
return None
|
|
|
|
def get_mds_status_by_rank(self, rank):
|
|
"""
|
|
Run cluster commands for the mds in order to get mds information
|
|
check rank.
|
|
"""
|
|
j = self.get_mds_status_all()
|
|
# collate; for dup ids, larger gid wins.
|
|
for info in j['info'].itervalues():
|
|
if info['rank'] == rank:
|
|
return info
|
|
return None
|
|
|
|
def get_mds_status_all(self):
|
|
"""
|
|
Run cluster command to extract all the mds status.
|
|
"""
|
|
out = self.raw_cluster_cmd('mds', 'dump', '--format=json')
|
|
j = json.loads(' '.join(out.splitlines()[1:]))
|
|
return j
|
|
|
|
def get_filepath(self):
|
|
"""
|
|
Return path to osd data with {id} needing to be replaced
|
|
"""
|
|
return "/var/lib/ceph/osd/ceph-{id}"
|
|
|
|
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', {})
|
|
fn = getattr(ctx.manager, 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")
|
|
set_pool_property = utility_task("set_pool_property")
|