""" ceph manager -- Thrasher and CephManager objects """ from cStringIO import StringIO from functools import wraps import contextlib import random import time import gevent import base64 import json import logging import threading import traceback import os from teuthology import misc as teuthology from tasks.scrub import Scrubber from util.rados import cmd_erasure_code_profile from teuthology.orchestra.remote import Remote from teuthology.orchestra import run DEFAULT_CONF_PATH = '/etc/ceph/ceph.conf' log = logging.getLogger(__name__) def write_conf(ctx, conf_path=DEFAULT_CONF_PATH): conf_fp = StringIO() ctx.ceph.conf.write(conf_fp) conf_fp.seek(0) writes = ctx.cluster.run( args=[ 'sudo', 'mkdir', '-p', '/etc/ceph', run.Raw('&&'), 'sudo', 'chmod', '0755', '/etc/ceph', run.Raw('&&'), 'sudo', 'python', '-c', ('import shutil, sys; ' 'shutil.copyfileobj(sys.stdin, file(sys.argv[1], "wb"))'), conf_path, run.Raw('&&'), 'sudo', 'chmod', '0644', conf_path, ], stdin=run.PIPE, wait=False) teuthology.feed_many_stdins_and_close(conf_fp, writes) run.wait(writes) def make_admin_daemon_dir(ctx, remote): """ Create /var/run/ceph directory on remote site. :param ctx: Context :param remote: Remote site """ remote.run(args=['sudo', 'install', '-d', '-m0777', '--', '/var/run/ceph', ], ) def mount_osd_data(ctx, remote, osd): """ Mount a remote OSD :param ctx: Context :param remote: Remote site :param ods: Osd name """ log.debug('Mounting data for osd.{o} on {r}'.format(o=osd, r=remote)) if (remote in ctx.disk_config.remote_to_roles_to_dev and osd in ctx.disk_config.remote_to_roles_to_dev[remote]): dev = ctx.disk_config.remote_to_roles_to_dev[remote][osd] mount_options = ctx.disk_config.\ remote_to_roles_to_dev_mount_options[remote][osd] fstype = ctx.disk_config.remote_to_roles_to_dev_fstype[remote][osd] mnt = os.path.join('/var/lib/ceph/osd', 'ceph-{id}'.format(id=osd)) log.info('Mounting osd.{o}: dev: {n}, ' 'mountpoint: {p}, type: {t}, options: {v}'.format( o=osd, n=remote.name, p=mnt, t=fstype, v=mount_options)) remote.run( args=[ 'sudo', 'mount', '-t', fstype, '-o', ','.join(mount_options), dev, mnt, ] ) class Thrasher: """ Object used to thrash Ceph """ def __init__(self, manager, config, logger=None): self.ceph_manager = manager self.ceph_manager.wait_for_clean() osd_status = self.ceph_manager.get_osd_status() self.in_osds = osd_status['in'] self.live_osds = osd_status['live'] self.out_osds = osd_status['out'] self.dead_osds = osd_status['dead'] self.stopping = False self.logger = logger self.config = config self.revive_timeout = self.config.get("revive_timeout", 150) if self.config.get('powercycle'): self.revive_timeout += 120 self.clean_wait = self.config.get('clean_wait', 0) self.minin = self.config.get("min_in", 3) self.chance_move_pg = self.config.get('chance_move_pg', 1.0) num_osds = self.in_osds + self.out_osds self.max_pgs = self.config.get("max_pgs_per_pool_osd", 1200) * num_osds if self.logger is not None: self.log = lambda x: self.logger.info(x) else: def tmp(x): """ Implement log behavior """ print x self.log = tmp if self.config is None: self.config = dict() # prevent monitor from auto-marking things out while thrasher runs # try both old and new tell syntax, in case we are testing old code try: manager.raw_cluster_cmd('--', 'tell', 'mon.*', 'injectargs', '--mon-osd-down-out-interval 0') except Exception: manager.raw_cluster_cmd('--', 'mon', 'tell', '*', 'injectargs', '--mon-osd-down-out-interval 0') self.thread = gevent.spawn(self.do_thrash) if self.cmd_exists_on_osds("ceph-objectstore-tool"): self.ceph_objectstore_tool = \ self.config.get('ceph_objectstore_tool', True) self.test_rm_past_intervals = \ self.config.get('test_rm_past_intervals', True) else: self.ceph_objectstore_tool = False self.test_rm_past_intervals = False self.log("Unable to test ceph-objectstore-tool, " "not available on all OSD nodes") def cmd_exists_on_osds(self, cmd): allremotes = self.ceph_manager.ctx.cluster.only(\ teuthology.is_type('osd')).remotes.keys() allremotes = list(set(allremotes)) for remote in allremotes: proc = remote.run(args=['type', cmd], wait=True, check_status=False, stdout=StringIO(), stderr=StringIO()) if proc.exitstatus != 0: return False; return True; def kill_osd(self, osd=None, mark_down=False, mark_out=False): """ :param osd: Osd to be killed. :mark_down: Mark down if true. :mark_out: Mark out if true. """ if osd is None: osd = random.choice(self.live_osds) self.log("Killing osd %s, live_osds are %s" % (str(osd), str(self.live_osds))) self.live_osds.remove(osd) self.dead_osds.append(osd) self.ceph_manager.kill_osd(osd) if mark_down: self.ceph_manager.mark_down_osd(osd) if mark_out and osd in self.in_osds: self.out_osd(osd) if self.ceph_objectstore_tool: self.log("Testing ceph-objectstore-tool on down osd") (remote,) = self.ceph_manager.ctx.\ cluster.only('osd.{o}'.format(o=osd)).remotes.iterkeys() FSPATH = self.ceph_manager.get_filepath() JPATH = os.path.join(FSPATH, "journal") exp_osd = imp_osd = osd exp_remote = imp_remote = remote # If an older osd is available we'll move a pg from there if (len(self.dead_osds) > 1 and random.random() < self.chance_move_pg): exp_osd = random.choice(self.dead_osds[:-1]) (exp_remote,) = self.ceph_manager.ctx.\ cluster.only('osd.{o}'.format(o=exp_osd)).\ remotes.iterkeys() if ('keyvaluestore_backend' in self.ceph_manager.ctx.ceph.conf['osd']): prefix = ("sudo adjust-ulimits ceph-objectstore-tool " "--data-path {fpath} --journal-path {jpath} " "--type keyvaluestore " "--log-file=" "/var/log/ceph/objectstore_tool.\\$pid.log ". format(fpath=FSPATH, jpath=JPATH)) else: prefix = ("sudo adjust-ulimits ceph-objectstore-tool " "--data-path {fpath} --journal-path {jpath} " "--log-file=" "/var/log/ceph/objectstore_tool.\\$pid.log ". format(fpath=FSPATH, jpath=JPATH)) cmd = (prefix + "--op list-pgs").format(id=exp_osd) proc = exp_remote.run(args=cmd, wait=True, check_status=False, stdout=StringIO()) if proc.exitstatus: raise Exception("ceph-objectstore-tool: " "exp list-pgs failure with status {ret}". format(ret=proc.exitstatus)) pgs = proc.stdout.getvalue().split('\n')[:-1] if len(pgs) == 0: self.log("No PGs found for osd.{osd}".format(osd=exp_osd)) return pg = random.choice(pgs) exp_path = teuthology.get_testdir(self.ceph_manager.ctx) exp_path = os.path.join(exp_path, "data") exp_path = os.path.join(exp_path, "exp.{pg}.{id}".format(pg=pg, id=exp_osd)) # export cmd = prefix + "--op export --pgid {pg} --file {file}" cmd = cmd.format(id=exp_osd, pg=pg, file=exp_path) proc = exp_remote.run(args=cmd) if proc.exitstatus: raise Exception("ceph-objectstore-tool: " "export failure with status {ret}". format(ret=proc.exitstatus)) # remove cmd = prefix + "--op remove --pgid {pg}" cmd = cmd.format(id=exp_osd, pg=pg) proc = exp_remote.run(args=cmd) if proc.exitstatus: raise Exception("ceph-objectstore-tool: " "remove failure with status {ret}". format(ret=proc.exitstatus)) # If there are at least 2 dead osds we might move the pg if exp_osd != imp_osd: # If pg isn't already on this osd, then we will move it there cmd = (prefix + "--op list-pgs").format(id=imp_osd) proc = imp_remote.run(args=cmd, wait=True, check_status=False, stdout=StringIO()) if proc.exitstatus: raise Exception("ceph-objectstore-tool: " "imp list-pgs failure with status {ret}". format(ret=proc.exitstatus)) pgs = proc.stdout.getvalue().split('\n')[:-1] if pg not in pgs: self.log("Moving pg {pg} from osd.{fosd} to osd.{tosd}". format(pg=pg, fosd=exp_osd, tosd=imp_osd)) if imp_remote != exp_remote: # Copy export file to the other machine self.log("Transfer export file from {srem} to {trem}". format(srem=exp_remote, trem=imp_remote)) tmpexport = Remote.get_file(exp_remote, exp_path) Remote.put_file(imp_remote, tmpexport, exp_path) os.remove(tmpexport) else: # Can't move the pg after all imp_osd = exp_osd imp_remote = exp_remote # import cmd = (prefix + "--op import --file {file}") cmd = cmd.format(id=imp_osd, file=exp_path) proc = imp_remote.run(args=cmd, wait=True, check_status=False) if proc.exitstatus == 10: self.log("Pool went away before processing an import" "...ignored") elif proc.exitstatus == 11: self.log("Attempt to import an incompatible export" "...ignored") elif proc.exitstatus: raise Exception("ceph-objectstore-tool: " "import failure with status {ret}". format(ret=proc.exitstatus)) cmd = "rm -f {file}".format(file=exp_path) exp_remote.run(args=cmd) if imp_remote != exp_remote: imp_remote.run(args=cmd) def rm_past_intervals(self, osd=None): """ :param osd: Osd to find pg to remove past intervals """ if self.test_rm_past_intervals: if osd is None: osd = random.choice(self.dead_osds) self.log("Use ceph_objectstore_tool to remove past intervals") (remote,) = self.ceph_manager.ctx.\ cluster.only('osd.{o}'.format(o=osd)).remotes.iterkeys() FSPATH = self.ceph_manager.get_filepath() JPATH = os.path.join(FSPATH, "journal") if ('keyvaluestore_backend' in self.ceph_manager.ctx.ceph.conf['osd']): prefix = ("sudo adjust-ulimits ceph-objectstore-tool " "--data-path {fpath} --journal-path {jpath} " "--type keyvaluestore " "--log-file=" "/var/log/ceph/objectstore_tool.\\$pid.log ". format(fpath=FSPATH, jpath=JPATH)) else: prefix = ("sudo adjust-ulimits ceph-objectstore-tool " "--data-path {fpath} --journal-path {jpath} " "--log-file=" "/var/log/ceph/objectstore_tool.\\$pid.log ". format(fpath=FSPATH, jpath=JPATH)) cmd = (prefix + "--op list-pgs").format(id=osd) proc = remote.run(args=cmd, wait=True, check_status=False, stdout=StringIO()) if proc.exitstatus: raise Exception("ceph_objectstore_tool: " "exp list-pgs failure with status {ret}". format(ret=proc.exitstatus)) pgs = proc.stdout.getvalue().split('\n')[:-1] if len(pgs) == 0: self.log("No PGs found for osd.{osd}".format(osd=osd)) return pg = random.choice(pgs) cmd = (prefix + "--op rm-past-intervals --pgid {pg}").\ format(id=osd, pg=pg) proc = remote.run(args=cmd) if proc.exitstatus: raise Exception("ceph_objectstore_tool: " "rm-past-intervals failure with status {ret}". format(ret=proc.exitstatus)) def blackhole_kill_osd(self, osd=None): """ If all else fails, kill the osd. :param osd: Osd to be killed. """ if osd is None: osd = random.choice(self.live_osds) self.log("Blackholing and then killing osd %s, live_osds are %s" % (str(osd), str(self.live_osds))) self.live_osds.remove(osd) self.dead_osds.append(osd) self.ceph_manager.blackhole_kill_osd(osd) def revive_osd(self, osd=None): """ Revive the osd. :param osd: Osd to be revived. """ if osd is None: osd = random.choice(self.dead_osds) self.log("Reviving osd %s" % (str(osd),)) self.live_osds.append(osd) self.dead_osds.remove(osd) self.ceph_manager.revive_osd(osd, self.revive_timeout) def out_osd(self, osd=None): """ Mark the osd out :param osd: Osd to be marked. """ if osd is None: osd = random.choice(self.in_osds) self.log("Removing osd %s, in_osds are: %s" % (str(osd), str(self.in_osds))) self.ceph_manager.mark_out_osd(osd) self.in_osds.remove(osd) self.out_osds.append(osd) def in_osd(self, osd=None): """ Mark the osd out :param osd: Osd to be marked. """ if osd is None: osd = random.choice(self.out_osds) if osd in self.dead_osds: return self.revive_osd(osd) self.log("Adding osd %s" % (str(osd),)) self.out_osds.remove(osd) self.in_osds.append(osd) self.ceph_manager.mark_in_osd(osd) self.log("Added osd %s" % (str(osd),)) def reweight_osd(self, osd=None): """ Reweight an osd that is in :param osd: Osd to be marked. """ if osd is None: osd = random.choice(self.in_osds) val = random.uniform(.1, 1.0) self.log("Reweighting osd %s to %s" % (str(osd), str(val))) self.ceph_manager.raw_cluster_cmd('osd', 'reweight', str(osd), str(val)) def primary_affinity(self, osd=None): if osd is None: osd = random.choice(self.in_osds) if random.random() >= .5: pa = random.random() elif random.random() >= .5: pa = 1 else: pa = 0 self.log('Setting osd %s primary_affinity to %f' % (str(osd), pa)) self.ceph_manager.raw_cluster_cmd('osd', 'primary-affinity', str(osd), str(pa)) def all_up(self): """ Make sure all osds are up and not out. """ while len(self.dead_osds) > 0: self.log("reviving osd") self.revive_osd() while len(self.out_osds) > 0: self.log("inning osd") self.in_osd() def do_join(self): """ Break out of this Ceph loop """ self.stopping = True self.thread.get() def grow_pool(self): """ Increase the size of the pool """ 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_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: self.pools[pool] = self.get_pool_property(pool, 'pg_num') def raw_cluster_cmd(self, *args): """ Start ceph on a raw cluster. Return count """ testdir = teuthology.get_testdir(self.ctx) ceph_args = [ '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 = [ '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 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") 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): """ 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() # 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)) ## monitors def signal_mon(self, mon, sig): """ Wrapper to local get_deamon call """ self.ctx.daemons.get_daemon('mon', mon).signal(sig) 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}"