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-rw-r--r--geo-replication/syncdaemon/master.py1624
1 files changed, 1002 insertions, 622 deletions
diff --git a/geo-replication/syncdaemon/master.py b/geo-replication/syncdaemon/master.py
index 51c1e571e53..9501aeae6b5 100644
--- a/geo-replication/syncdaemon/master.py
+++ b/geo-replication/syncdaemon/master.py
@@ -12,20 +12,23 @@ import os
import sys
import time
import stat
-import json
import logging
-import socket
+import fcntl
import string
import errno
-from errno import ENOENT, ENODATA, EPIPE, EEXIST
+import tarfile
+from errno import ENOENT, ENODATA, EEXIST, EACCES, EAGAIN, ESTALE, EINTR
from threading import Condition, Lock
from datetime import datetime
-from gconf import gconf
-from tempfile import NamedTemporaryFile
-from syncdutils import Thread, GsyncdError, boolify, escape
-from syncdutils import unescape, select, gauxpfx, md5hex, selfkill
-from syncdutils import lstat, errno_wrap
-from syncdutils import NoPurgeTimeAvailable, PartialHistoryAvailable
+
+import gsyncdconfig as gconf
+import libgfchangelog
+from rconf import rconf
+from syncdutils import (Thread, GsyncdError, escape_space_newline,
+ unescape_space_newline, gauxpfx, escape,
+ lstat, errno_wrap, FreeObject, lf, matching_disk_gfid,
+ NoStimeAvailable, PartialHistoryAvailable,
+ host_brick_split)
URXTIME = (-1, 0)
@@ -54,36 +57,75 @@ def _volinfo_hook_relax_foreign(self):
fgn_vi = volinfo_sys[self.KFGN]
if fgn_vi:
expiry = fgn_vi['timeout'] - int(time.time()) + 1
- logging.info('foreign volume info found, waiting %d sec for expiry' %
- expiry)
+ logging.info(lf('foreign volume info found, waiting for expiry',
+ expiry=expiry))
time.sleep(expiry)
volinfo_sys = self.get_sys_volinfo()
return volinfo_sys
+def edct(op, **ed):
+ dct = {}
+ dct['op'] = op
+ # This is used in automatic gfid conflict resolution.
+ # When marked True, it's skipped during re-processing.
+ dct['skip_entry'] = False
+ for k in ed:
+ if k == 'stat':
+ st = ed[k]
+ dst = dct['stat'] = {}
+ if st:
+ dst['uid'] = st.st_uid
+ dst['gid'] = st.st_gid
+ dst['mode'] = st.st_mode
+ dst['atime'] = st.st_atime
+ dst['mtime'] = st.st_mtime
+ else:
+ dct[k] = ed[k]
+ return dct
+
+
# The API!
def gmaster_builder(excrawl=None):
"""produce the GMaster class variant corresponding
to sync mode"""
this = sys.modules[__name__]
- modemixin = gconf.special_sync_mode
+ modemixin = gconf.get("special-sync-mode")
if not modemixin:
modemixin = 'normal'
- changemixin = 'xsync' if gconf.change_detector == 'xsync' \
- else excrawl or gconf.change_detector
- logging.info('setting up %s change detection mode' % changemixin)
+
+ if gconf.get("change-detector") == 'xsync':
+ changemixin = 'xsync'
+ elif excrawl:
+ changemixin = excrawl
+ else:
+ changemixin = gconf.get("change-detector")
+
+ logging.debug(lf('setting up change detection mode',
+ mode=changemixin))
modemixin = getattr(this, modemixin.capitalize() + 'Mixin')
crawlmixin = getattr(this, 'GMaster' + changemixin.capitalize() + 'Mixin')
- sendmarkmixin = boolify(
- gconf.use_rsync_xattrs) and SendmarkRsyncMixin or SendmarkNormalMixin
- purgemixin = boolify(
- gconf.ignore_deletes) and PurgeNoopMixin or PurgeNormalMixin
- syncengine = boolify(gconf.use_tarssh) and TarSSHEngine or RsyncEngine
+
+ if gconf.get("use-rsync-xattrs"):
+ sendmarkmixin = SendmarkRsyncMixin
+ else:
+ sendmarkmixin = SendmarkNormalMixin
+
+ if gconf.get("ignore-deletes"):
+ purgemixin = PurgeNoopMixin
+ else:
+ purgemixin = PurgeNormalMixin
+
+ if gconf.get("sync-method") == "tarssh":
+ syncengine = TarSSHEngine
+ else:
+ syncengine = RsyncEngine
class _GMaster(crawlmixin, modemixin, sendmarkmixin,
purgemixin, syncengine):
pass
+
return _GMaster
@@ -120,9 +162,9 @@ class NormalMixin(object):
return xt0 >= xt1
def make_xtime_opts(self, is_master, opts):
- if not 'create' in opts:
+ if 'create' not in opts:
opts['create'] = is_master
- if not 'default_xtime' in opts:
+ if 'default_xtime' not in opts:
opts['default_xtime'] = URXTIME
def xtime_low(self, rsc, path, **opts):
@@ -141,7 +183,9 @@ class NormalMixin(object):
xt = _xtime_now()
rsc.server.aggregated.set_xtime(path, self.uuid, xt)
else:
- xt = opts['default_xtime']
+ zero_zero = (0, 0)
+ if xt != zero_zero:
+ xt = opts['default_xtime']
return xt
def keepalive_payload_hook(self, timo, gap):
@@ -153,7 +197,7 @@ class NormalMixin(object):
vi = vi.copy()
vi['timeout'] = int(time.time()) + timo
else:
- # send keep-alives more frequently to
+ # send keep-alive more frequently to
# avoid a delay in announcing our volume info
# to slave if it becomes established in the
# meantime
@@ -168,10 +212,7 @@ class NormalMixin(object):
raise GsyncdError("timestamp corruption for " + path)
def need_sync(self, e, xte, xtrd):
- if self.xsync_upper_limit:
- return xte > xtrd and xte <= self.xsync_upper_limit
- else:
- return xte > xtrd
+ return xte > xtrd
def set_slave_xtime(self, path, mark):
self.slave.server.set_stime(path, self.uuid, mark)
@@ -194,9 +235,9 @@ class RecoverMixin(NormalMixin):
@staticmethod
def make_xtime_opts(is_master, opts):
- if not 'create' in opts:
+ if 'create' not in opts:
opts['create'] = False
- if not 'default_xtime' in opts:
+ if 'default_xtime' not in opts:
opts['default_xtime'] = URXTIME
def keepalive_payload_hook(self, timo, gap):
@@ -239,28 +280,24 @@ class TarSSHEngine(object):
"""
def a_syncdata(self, files):
- self.unlinked_gfids = []
- logging.debug('files: %s' % (files))
- self.current_files_skipped_count = 0
- del self.skipped_gfid_list[:]
+ logging.debug(lf("Files", files=files))
+
for f in files:
pb = self.syncer.add(f)
def regjob(se, xte, pb):
rv = pb.wait()
if rv[0]:
- logging.debug('synced ' + se)
+ logging.debug(lf('synced', file=se))
return True
else:
# stat check for file presence
st = lstat(se)
if isinstance(st, int):
- self.unlinked_gfids.append(se)
+ # file got unlinked in the interim
+ self.unlinked_gfids.add(se)
return True
- logging.warn('tar+ssh: %s [errcode: %d]' % (se, rv[1]))
- se_list = se.split('/');
- self.current_files_skipped_count += 1
- self.skipped_gfid_list.append(se_list[1])
+
self.add_job(self.FLAT_DIR_HIERARCHY, 'reg', regjob, f, None, pb)
def syncdata_wait(self):
@@ -277,31 +314,25 @@ class RsyncEngine(object):
"""Sync engine that uses rsync(1) for data transfers"""
def a_syncdata(self, files):
- self.unlinked_gfids = []
- logging.debug('files: %s' % (files))
- self.current_files_skipped_count = 0
- del self.skipped_gfid_list[:]
+ logging.debug(lf("files", files=files))
+
for f in files:
- logging.debug('candidate for syncing %s' % f)
+ logging.debug(lf('candidate for syncing', file=f))
pb = self.syncer.add(f)
def regjob(se, xte, pb):
rv = pb.wait()
if rv[0]:
- logging.debug('synced ' + se)
+ logging.debug(lf('synced', file=se))
return True
else:
- if rv[1] in [23, 24]:
- # stat to check if the file exist
- st = lstat(se)
- if isinstance(st, int):
- # file got unlinked in the interim
- self.unlinked_gfids.append(se)
- return True
- logging.warn('Rsync: %s [errcode: %d]' % (se, rv[1]))
- se_list = se.split('/');
- self.current_files_skipped_count += 1
- self.skipped_gfid_list.append(se_list[1])
+ # stat to check if the file exist
+ st = lstat(se)
+ if isinstance(st, int):
+ # file got unlinked in the interim
+ self.unlinked_gfids.add(se)
+ return True
+
self.add_job(self.FLAT_DIR_HIERARCHY, 'reg', regjob, f, None, pb)
def syncdata_wait(self):
@@ -345,6 +376,18 @@ class GMasterCommon(object):
if self.volinfo:
return self.volinfo['volume_mark']
+ def get_entry_stime(self):
+ data = self.slave.server.entry_stime(".", self.uuid)
+ if isinstance(data, int):
+ data = None
+ return data
+
+ def get_data_stime(self):
+ data = self.slave.server.stime(".", self.uuid)
+ if isinstance(data, int):
+ data = None
+ return data
+
def xtime(self, path, *a, **opts):
"""get amended xtime
@@ -361,56 +404,13 @@ class GMasterCommon(object):
self.make_xtime_opts(rsc == self.master, opts)
return self.xtime_low(rsc, path, **opts)
- def get_initial_crawl_data(self):
- # while persisting only 'files_syncd' is non-zero, rest of
- # the stats are nulls. lets keep it that way in case they
- # are needed to be used some day...
- default_data = {'files_syncd': 0,
- 'files_remaining': 0,
- 'bytes_remaining': 0,
- 'purges_remaining': 0,
- 'total_files_skipped': 0}
- if getattr(gconf, 'state_detail_file', None):
- try:
- with open(gconf.state_detail_file, 'r+') as f:
- loaded_data = json.load(f)
- diff_data = set(default_data) - set(loaded_data)
- if len(diff_data):
- for i in diff_data:
- loaded_data[i] = default_data[i]
- return loaded_data
- except IOError:
- logging.warn('Creating new gconf.state_detail_file.')
- # Create file with initial data
- try:
- with open(gconf.state_detail_file, 'wb') as f:
- json.dump(default_data, f)
- return default_data
- except:
- raise
- return default_data
-
- def update_crawl_data(self):
- if getattr(gconf, 'state_detail_file', None):
- try:
- same_dir = os.path.dirname(gconf.state_detail_file)
- with NamedTemporaryFile(dir=same_dir, delete=False) as tmp:
- json.dump(self.total_crawl_stats, tmp)
- tmp.flush()
- os.fsync(tmp.fileno())
- os.rename(tmp.name, gconf.state_detail_file)
- except (IOError, OSError):
- raise
-
def __init__(self, master, slave):
self.master = master
self.slave = slave
self.jobtab = {}
- if boolify(gconf.use_tarssh):
- logging.info("using 'tar over ssh' as the sync engine")
- self.syncer = Syncer(slave, self.slave.tarssh)
+ if gconf.get("sync-method") == "tarssh":
+ self.syncer = Syncer(slave, self.slave.tarssh, [2])
else:
- logging.info("using 'rsync' as the sync engine")
# partial transfer (cf. rsync(1)), that's normal
self.syncer = Syncer(slave, self.slave.rsync, [23, 24])
# crawls vs. turns:
@@ -424,24 +424,20 @@ class GMasterCommon(object):
# 0.
self.crawls = 0
self.turns = 0
- self.total_turns = int(gconf.turns)
+ self.total_turns = rconf.turns
self.crawl_start = datetime.now()
self.lastreport = {'crawls': 0, 'turns': 0, 'time': 0}
- self.total_crawl_stats = None
self.start = None
self.change_seen = None
# the actual volinfo we make use of
self.volinfo = None
self.terminate = False
self.sleep_interval = 1
- self.checkpoint_thread = None
- self.current_files_skipped_count = 0
- self.skipped_gfid_list = []
- self.unlinked_gfids = []
+ self.unlinked_gfids = set()
def init_keep_alive(cls):
"""start the keep-alive thread """
- timo = int(gconf.timeout or 0)
+ timo = gconf.get("slave-timeout", 0)
if timo > 0:
def keep_alive():
while True:
@@ -451,14 +447,69 @@ class GMasterCommon(object):
t = Thread(target=keep_alive)
t.start()
- def should_crawl(cls):
- return gconf.glusterd_uuid in cls.master.server.node_uuid()
+ def mgmt_lock(self):
+
+ """Take management volume lock """
+ if rconf.mgmt_lock_fd:
+ try:
+ fcntl.lockf(rconf.mgmt_lock_fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
+ return True
+ except:
+ ex = sys.exc_info()[1]
+ if isinstance(ex, IOError) and ex.errno in (EACCES, EAGAIN):
+ return False
+ raise
+
+ fd = None
+ bname = str(self.uuid) + "_" + rconf.args.slave_id + "_subvol_" \
+ + str(rconf.args.subvol_num) + ".lock"
+ mgmt_lock_dir = os.path.join(gconf.get("meta-volume-mnt"), "geo-rep")
+ path = os.path.join(mgmt_lock_dir, bname)
+ logging.debug(lf("lock file path", path=path))
+ try:
+ fd = os.open(path, os.O_CREAT | os.O_RDWR)
+ except OSError:
+ ex = sys.exc_info()[1]
+ if ex.errno == ENOENT:
+ logging.info("Creating geo-rep directory in meta volume...")
+ try:
+ os.makedirs(mgmt_lock_dir)
+ except OSError:
+ ex = sys.exc_info()[1]
+ if ex.errno == EEXIST:
+ pass
+ else:
+ raise
+ fd = os.open(path, os.O_CREAT | os.O_RDWR)
+ else:
+ raise
+ try:
+ fcntl.lockf(fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
+ # Save latest FD for future use
+ rconf.mgmt_lock_fd = fd
+ except:
+ ex = sys.exc_info()[1]
+ if isinstance(ex, IOError) and ex.errno in (EACCES, EAGAIN):
+ # cannot grab, it's taken
+ rconf.mgmt_lock_fd = fd
+ return False
+ raise
+
+ return True
+
+ def should_crawl(self):
+ if not gconf.get("use-meta-volume"):
+ return rconf.args.local_node_id in self.master.server.node_uuid()
+
+ if not os.path.ismount(gconf.get("meta-volume-mnt")):
+ logging.error("Meta-volume is not mounted. Worker Exiting...")
+ sys.exit(1)
+ return self.mgmt_lock()
def register(self):
self.register()
- def crawlwrap(self, oneshot=False, no_stime_update=False,
- register_time=None):
+ def crawlwrap(self, oneshot=False, register_time=None):
if oneshot:
# it's important to do this during the oneshot crawl as
# for a passive gsyncd (ie. in a replicate scenario)
@@ -467,38 +518,35 @@ class GMasterCommon(object):
# If crawlwrap is called when partial history available,
# then it sets register_time which is the time when geo-rep
- # worker registerd to changelog consumption. Since nsec is
- # not considered in register time, their are chances of skipping
- # changes detection in xsync crawl. Add 1 sec to upper_limit.
- # This limit will be reset when crawlwrap is called again.
- self.xsync_upper_limit = None
+ # worker registered to changelog consumption. Since nsec is
+ # not considered in register time, there are chances of skipping
+ # changes detection in xsync crawl. This limit will be reset when
+ # crawlwrap is called again.
+ self.live_changelog_start_time = None
if register_time:
- self.xsync_upper_limit = (register_time + 1, 0)
+ self.live_changelog_start_time = (register_time, 0)
# no need to maintain volinfo state machine.
# in a cascading setup, each geo-replication session is
# independent (ie. 'volume-mark' and 'xtime' are not
- # propogated). This is beacuse the slave's xtime is now
+ # propagated). This is because the slave's xtime is now
# stored on the master itself. 'volume-mark' just identifies
# that we are in a cascading setup and need to enable
# 'geo-replication.ignore-pid-check' option.
volinfo_sys = self.volinfo_hook()
self.volinfo = volinfo_sys[self.KNAT]
inter_master = volinfo_sys[self.KFGN]
- logging.info("%s master with volume id %s ..." %
- (inter_master and "intermediate" or "primary",
- self.uuid))
- gconf.configinterface.set('volume_id', self.uuid)
+ logging.debug("%s master with volume id %s ..." %
+ (inter_master and "intermediate" or "primary",
+ self.uuid))
+ rconf.volume_id = self.uuid
if self.volinfo:
if self.volinfo['retval']:
- logging.warn("master cluster's info may not be valid %d" %
- self.volinfo['retval'])
- self.start_checkpoint_thread()
+ logging.warn(lf("master cluster's info may not be valid",
+ error=self.volinfo['retval']))
else:
raise GsyncdError("master volinfo unavailable")
- self.total_crawl_stats = self.get_initial_crawl_data()
self.lastreport['time'] = time.time()
- logging.info('crawl interval: %d seconds' % self.sleep_interval)
t0 = time.time()
crawl = self.should_crawl()
@@ -509,61 +557,56 @@ class GMasterCommon(object):
self.start = time.time()
should_display_info = self.start - self.lastreport['time'] >= 60
if should_display_info:
- logging.info("%d crawls, %d turns",
- self.crawls - self.lastreport['crawls'],
- self.turns - self.lastreport['turns'])
+ logging.debug("%d crawls, %d turns",
+ self.crawls - self.lastreport['crawls'],
+ self.turns - self.lastreport['turns'])
self.lastreport.update(crawls=self.crawls,
turns=self.turns,
time=self.start)
t1 = time.time()
- if int(t1 - t0) >= int(gconf.replica_failover_interval):
+ if int(t1 - t0) >= gconf.get("replica-failover-interval"):
crawl = self.should_crawl()
t0 = t1
self.update_worker_remote_node()
if not crawl:
- self.update_worker_health("Passive")
+ self.status.set_passive()
# bring up _this_ brick to the cluster stime
# which is min of cluster (but max of the replicas)
brick_stime = self.xtime('.', self.slave)
cluster_stime = self.master.server.aggregated.stime_mnt(
- '.', '.'.join([str(self.uuid), str(gconf.slave_id)]))
- logging.debug("Cluster stime: %s | Brick stime: %s" %
- (repr(cluster_stime), repr(brick_stime)))
+ '.', '.'.join([str(self.uuid), rconf.args.slave_id]))
+ logging.debug(lf("Crawl info",
+ cluster_stime=cluster_stime,
+ brick_stime=brick_stime))
+
if not isinstance(cluster_stime, int):
if brick_stime < cluster_stime:
self.slave.server.set_stime(
self.FLAT_DIR_HIERARCHY, self.uuid, cluster_stime)
+ self.upd_stime(cluster_stime)
+ # Purge all changelogs available in processing dir
+ # less than cluster_stime
+ proc_dir = os.path.join(self.tempdir,
+ ".processing")
+
+ if os.path.exists(proc_dir):
+ to_purge = [f for f in os.listdir(proc_dir)
+ if (f.startswith("CHANGELOG.") and
+ int(f.split('.')[-1]) <
+ cluster_stime[0])]
+ for f in to_purge:
+ os.remove(os.path.join(proc_dir, f))
+
time.sleep(5)
continue
- self.update_worker_health("Active")
- self.crawl(no_stime_update=no_stime_update)
+
+ self.status.set_active()
+ self.crawl()
+
if oneshot:
return
time.sleep(self.sleep_interval)
- @classmethod
- def _checkpt_param(cls, chkpt, prm, xtimish=True):
- """use config backend to lookup a parameter belonging to
- checkpoint @chkpt"""
- cprm = gconf.configinterface.get_realtime('checkpoint_' + prm)
- if not cprm:
- return
- chkpt_mapped, val = cprm.split(':', 1)
- if unescape(chkpt_mapped) != chkpt:
- return
- if xtimish:
- val = cls.deserialize_xtime(val)
- return val
-
- @classmethod
- def _set_checkpt_param(cls, chkpt, prm, val, xtimish=True):
- """use config backend to store a parameter associated
- with checkpoint @chkpt"""
- if xtimish:
- val = cls.serialize_xtime(val)
- gconf.configinterface.set(
- 'checkpoint_' + prm, "%s:%s" % (escape(chkpt), val))
-
@staticmethod
def humantime(*tpair):
"""format xtime-like (sec, nsec) pair to human readable format"""
@@ -592,116 +635,6 @@ class GMasterCommon(object):
string.zfill(m, 2), string.zfill(s, 2))
return date
- def checkpt_service(self, chan, chkpt):
- """checkpoint service loop
-
- monitor and verify checkpoint status for @chkpt, and listen
- for incoming requests for whom we serve a pretty-formatted
- status report"""
- while True:
- chkpt = gconf.configinterface.get_realtime("checkpoint")
- if not chkpt:
- gconf.configinterface.delete("checkpoint_completed")
- gconf.configinterface.delete("checkpoint_target")
- # dummy loop for the case when there is no checkpt set
- select([chan], [], [])
- conn, _ = chan.accept()
- conn.send('\0')
- conn.close()
- continue
-
- checkpt_tgt = self._checkpt_param(chkpt, 'target')
- if not checkpt_tgt:
- checkpt_tgt = self.xtime('.')
- if isinstance(checkpt_tgt, int):
- raise GsyncdError("master root directory is "
- "unaccessible (%s)",
- os.strerror(checkpt_tgt))
- self._set_checkpt_param(chkpt, 'target', checkpt_tgt)
- logging.debug("checkpoint target %s has been determined "
- "for checkpoint %s" %
- (repr(checkpt_tgt), chkpt))
-
- # check if the label is 'now'
- chkpt_lbl = chkpt
- try:
- x1, x2 = chkpt.split(':')
- if x1 == 'now':
- chkpt_lbl = "as of " + self.humantime(x2)
- except:
- pass
- completed = self._checkpt_param(chkpt, 'completed', xtimish=False)
- if completed:
- completed = tuple(int(x) for x in completed.split('.'))
- s, _, _ = select([chan], [], [], (not completed) and 5 or None)
- # either request made and we re-check to not
- # give back stale data, or we still hunting for completion
- if (self.native_xtime(checkpt_tgt) and (
- self.native_xtime(checkpt_tgt) < self.volmark)):
- # indexing has been reset since setting the checkpoint
- status = "is invalid"
- else:
- xtr = self.xtime('.', self.slave)
- if isinstance(xtr, int):
- raise GsyncdError("slave root directory is "
- "unaccessible (%s)",
- os.strerror(xtr))
- ncompleted = self.xtime_geq(xtr, checkpt_tgt)
- if completed and not ncompleted: # stale data
- logging.warn("completion time %s for checkpoint %s "
- "became stale" %
- (self.humantime(*completed), chkpt))
- completed = None
- gconf.configinterface.delete('checkpoint_completed')
- if ncompleted and not completed: # just reaching completion
- completed = "%.6f" % time.time()
- self._set_checkpt_param(
- chkpt, 'completed', completed, xtimish=False)
- completed = tuple(int(x) for x in completed.split('.'))
- logging.info("checkpoint %s completed" % chkpt)
- status = completed and \
- "completed at " + self.humantime(completed[0]) or \
- "not reached yet"
- if s:
- conn = None
- try:
- conn, _ = chan.accept()
- try:
- conn.send("checkpoint %s is %s\0" %
- (chkpt_lbl, status))
- except:
- exc = sys.exc_info()[1]
- if ((isinstance(exc, OSError) or isinstance(
- exc, IOError)) and exc.errno == EPIPE):
- logging.debug('checkpoint client disconnected')
- else:
- raise
- finally:
- if conn:
- conn.close()
-
- def start_checkpoint_thread(self):
- """prepare and start checkpoint service"""
- if self.checkpoint_thread or not (
- getattr(gconf, 'state_socket_unencoded', None) and getattr(
- gconf, 'socketdir', None)
- ):
- return
- chan = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
- state_socket = os.path.join(
- gconf.socketdir, md5hex(gconf.state_socket_unencoded) + ".socket")
- try:
- os.unlink(state_socket)
- except:
- if sys.exc_info()[0] == OSError:
- pass
- chan.bind(state_socket)
- chan.listen(1)
- chkpt = gconf.configinterface.get_realtime("checkpoint")
- t = Thread(target=self.checkpt_service, args=(chan, chkpt))
- t.start()
- self.checkpoint_thread = t
-
def add_job(self, path, label, job, *a, **kw):
"""insert @job function to job table at @path with @label"""
if self.jobtab.get(path) is None:
@@ -717,7 +650,7 @@ class GMasterCommon(object):
"""perform jobs registered for @path
Reset jobtab entry for @path,
- determine success as the conjuction of
+ determine success as the conjunction of
success of all the jobs. In case of
success, call .sendmark on @path
"""
@@ -742,10 +675,12 @@ class GMasterCommon(object):
class XCrawlMetadata(object):
- def __init__(self, st_uid, st_gid, st_mode):
+ def __init__(self, st_uid, st_gid, st_mode, st_atime, st_mtime):
self.st_uid = int(st_uid)
self.st_gid = int(st_gid)
self.st_mode = int(st_mode)
+ self.st_atime = float(st_atime)
+ self.st_mtime = float(st_mtime)
class GMasterChangelogMixin(GMasterCommon):
@@ -755,6 +690,7 @@ class GMasterChangelogMixin(GMasterCommon):
# index for change type and entry
IDX_START = 0
IDX_END = 2
+ UNLINK_ENTRY = 2
POS_GFID = 0
POS_TYPE = 1
@@ -764,30 +700,291 @@ class GMasterChangelogMixin(GMasterCommon):
TYPE_GFID = "D "
TYPE_ENTRY = "E "
- # flat directory heirarchy for gfid based access
- FLAT_DIR_HIERARCHY = '.'
+ MAX_EF_RETRIES = 10
+ MAX_OE_RETRIES = 10
- # maximum retries per changelog before giving up
- MAX_RETRIES = 10
+ # flat directory hierarchy for gfid based access
+ FLAT_DIR_HIERARCHY = '.'
- CHANGELOG_LOG_LEVEL = 9
CHANGELOG_CONN_RETRIES = 5
- def fallback_xsync(self):
- logging.info('falling back to xsync mode')
- gconf.configinterface.set('change-detector', 'xsync')
- selfkill()
+ def init_fop_batch_stats(self):
+ self.batch_stats = {
+ "CREATE": 0,
+ "MKNOD": 0,
+ "UNLINK": 0,
+ "MKDIR": 0,
+ "RMDIR": 0,
+ "LINK": 0,
+ "SYMLINK": 0,
+ "RENAME": 0,
+ "SETATTR": 0,
+ "SETXATTR": 0,
+ "XATTROP": 0,
+ "DATA": 0,
+ "ENTRY_SYNC_TIME": 0,
+ "META_SYNC_TIME": 0,
+ "DATA_START_TIME": 0
+ }
+
+ def update_fop_batch_stats(self, ty):
+ if ty in ['FSETXATTR']:
+ ty = 'SETXATTR'
+ self.batch_stats[ty] = self.batch_stats.get(ty, 0) + 1
+
+ def archive_and_purge_changelogs(self, changelogs):
+ # Creates tar file instead of tar.gz, since changelogs will
+ # be appended to existing tar. archive name is
+ # archive_<YEAR><MONTH>.tar
+ archive_name = "archive_%s.tar" % datetime.today().strftime(
+ gconf.get("changelog-archive-format"))
+
+ try:
+ tar = tarfile.open(os.path.join(self.processed_changelogs_dir,
+ archive_name),
+ "a")
+ except tarfile.ReadError:
+ tar = tarfile.open(os.path.join(self.processed_changelogs_dir,
+ archive_name),
+ "w")
+
+ for f in changelogs:
+ try:
+ f = os.path.basename(f)
+ tar.add(os.path.join(self.processed_changelogs_dir, f),
+ arcname=os.path.basename(f))
+ except:
+ exc = sys.exc_info()[1]
+ if ((isinstance(exc, OSError) or
+ isinstance(exc, IOError)) and exc.errno == ENOENT):
+ continue
+ else:
+ tar.close()
+ raise
+ tar.close()
+
+ for f in changelogs:
+ try:
+ f = os.path.basename(f)
+ os.remove(os.path.join(self.processed_changelogs_dir, f))
+ except OSError as e:
+ if e.errno == errno.ENOENT:
+ continue
+ else:
+ raise
def setup_working_dir(self):
- workdir = os.path.join(gconf.working_dir, md5hex(gconf.local_path))
+ workdir = os.path.join(gconf.get("working-dir"),
+ escape(rconf.args.local_path))
logging.debug('changelog working dir %s' % workdir)
return workdir
- def get_purge_time(self):
- purge_time = self.xtime('.', self.slave)
- if isinstance(purge_time, int):
- purge_time = None
- return purge_time
+ def log_failures(self, failures, entry_key, gfid_prefix, log_prefix):
+ num_failures = 0
+ for failure in failures:
+ st = lstat(os.path.join(gfid_prefix, failure[0][entry_key]))
+ if not isinstance(st, int):
+ num_failures += 1
+ logging.error(lf('%s FAILED' % log_prefix,
+ data=failure))
+ if failure[0]['op'] == 'MKDIR':
+ raise GsyncdError("The above directory failed to sync."
+ " Please fix it to proceed further.")
+
+ self.status.inc_value("failures", num_failures)
+
+ def fix_possible_entry_failures(self, failures, retry_count, entries):
+ pfx = gauxpfx()
+ fix_entry_ops = []
+ failures1 = []
+ remove_gfids = set()
+ for failure in failures:
+ if failure[2]['name_mismatch']:
+ pbname = failure[2]['slave_entry']
+ elif failure[2]['dst']:
+ pbname = failure[0]['entry1']
+ else:
+ pbname = failure[0]['entry']
+
+ op = failure[0]['op']
+ # name exists but gfid is different
+ if failure[2]['gfid_mismatch'] or failure[2]['name_mismatch']:
+ slave_gfid = failure[2]['slave_gfid']
+ st = lstat(os.path.join(pfx, slave_gfid))
+ # Takes care of scenarios with no hardlinks
+ if isinstance(st, int) and st == ENOENT:
+ logging.debug(lf('Entry not present on master. Fixing gfid '
+ 'mismatch in slave. Deleting the entry',
+ retry_count=retry_count,
+ entry=repr(failure)))
+ # Add deletion to fix_entry_ops list
+ if failure[2]['slave_isdir']:
+ fix_entry_ops.append(
+ edct('RMDIR',
+ gfid=failure[2]['slave_gfid'],
+ entry=pbname))
+ else:
+ fix_entry_ops.append(
+ edct('UNLINK',
+ gfid=failure[2]['slave_gfid'],
+ entry=pbname))
+ remove_gfids.add(slave_gfid)
+ if op in ['RENAME']:
+ # If renamed gfid doesn't exists on master, remove
+ # rename entry and unlink src on slave
+ st = lstat(os.path.join(pfx, failure[0]['gfid']))
+ if isinstance(st, int) and st == ENOENT:
+ logging.debug("Unlink source %s" % repr(failure))
+ remove_gfids.add(failure[0]['gfid'])
+ fix_entry_ops.append(
+ edct('UNLINK',
+ gfid=failure[0]['gfid'],
+ entry=failure[0]['entry']))
+ # Takes care of scenarios of hardlinks/renames on master
+ elif not isinstance(st, int):
+ if matching_disk_gfid(slave_gfid, pbname):
+ # Safe to ignore the failure as master contains same
+ # file with same gfid. Remove entry from entries list
+ logging.debug(lf('Fixing gfid mismatch in slave. '
+ ' Safe to ignore, take out entry',
+ retry_count=retry_count,
+ entry=repr(failure)))
+ remove_gfids.add(failure[0]['gfid'])
+ if op == 'RENAME':
+ fix_entry_ops.append(
+ edct('UNLINK',
+ gfid=failure[0]['gfid'],
+ entry=failure[0]['entry']))
+ # The file exists on master but with different name.
+ # Probably renamed and got missed during xsync crawl.
+ elif failure[2]['slave_isdir']:
+ realpath = os.readlink(os.path.join(
+ rconf.args.local_path,
+ ".glusterfs",
+ slave_gfid[0:2],
+ slave_gfid[2:4],
+ slave_gfid))
+ dst_entry = os.path.join(pfx, realpath.split('/')[-2],
+ realpath.split('/')[-1])
+ src_entry = pbname
+ logging.debug(lf('Fixing dir name/gfid mismatch in '
+ 'slave', retry_count=retry_count,
+ entry=repr(failure)))
+ if src_entry == dst_entry:
+ # Safe to ignore the failure as master contains
+ # same directory as in slave with same gfid.
+ # Remove the failure entry from entries list
+ logging.debug(lf('Fixing dir name/gfid mismatch'
+ ' in slave. Safe to ignore, '
+ 'take out entry',
+ retry_count=retry_count,
+ entry=repr(failure)))
+ try:
+ entries.remove(failure[0])
+ except ValueError:
+ pass
+ else:
+ rename_dict = edct('RENAME', gfid=slave_gfid,
+ entry=src_entry,
+ entry1=dst_entry, stat=st,
+ link=None)
+ logging.debug(lf('Fixing dir name/gfid mismatch'
+ ' in slave. Renaming',
+ retry_count=retry_count,
+ entry=repr(rename_dict)))
+ fix_entry_ops.append(rename_dict)
+ else:
+ # A hardlink file exists with different name or
+ # renamed file exists and we are sure from
+ # matching_disk_gfid check that the entry doesn't
+ # exist with same gfid so we can safely delete on slave
+ logging.debug(lf('Fixing file gfid mismatch in slave. '
+ 'Hardlink/Rename Case. Deleting entry',
+ retry_count=retry_count,
+ entry=repr(failure)))
+ fix_entry_ops.append(
+ edct('UNLINK',
+ gfid=failure[2]['slave_gfid'],
+ entry=pbname))
+ elif failure[1] == ENOENT:
+ if op in ['RENAME']:
+ pbname = failure[0]['entry1']
+ else:
+ pbname = failure[0]['entry']
+
+ pargfid = pbname.split('/')[1]
+ st = lstat(os.path.join(pfx, pargfid))
+ # Safe to ignore the failure as master doesn't contain
+ # parent directory.
+ if isinstance(st, int):
+ logging.debug(lf('Fixing ENOENT error in slave. Parent '
+ 'does not exist on master. Safe to '
+ 'ignore, take out entry',
+ retry_count=retry_count,
+ entry=repr(failure)))
+ try:
+ entries.remove(failure[0])
+ except ValueError:
+ pass
+ else:
+ logging.debug(lf('Fixing ENOENT error in slave. Create '
+ 'parent directory on slave.',
+ retry_count=retry_count,
+ entry=repr(failure)))
+ realpath = os.readlink(os.path.join(rconf.args.local_path,
+ ".glusterfs",
+ pargfid[0:2],
+ pargfid[2:4],
+ pargfid))
+ dir_entry = os.path.join(pfx, realpath.split('/')[-2],
+ realpath.split('/')[-1])
+ fix_entry_ops.append(
+ edct('MKDIR', gfid=pargfid, entry=dir_entry,
+ mode=st.st_mode, uid=st.st_uid, gid=st.st_gid))
+
+ logging.debug("remove_gfids: %s" % repr(remove_gfids))
+ if remove_gfids:
+ for e in entries:
+ if e['op'] in ['MKDIR', 'MKNOD', 'CREATE', 'RENAME'] \
+ and e['gfid'] in remove_gfids:
+ logging.debug("Removed entry op from retrial list: entry: %s" % repr(e))
+ e['skip_entry'] = True
+
+ if fix_entry_ops:
+ # Process deletions of entries whose gfids are mismatched
+ failures1 = self.slave.server.entry_ops(fix_entry_ops)
+
+ return (failures1, fix_entry_ops)
+
+ def handle_entry_failures(self, failures, entries):
+ retries = 0
+ pending_failures = False
+ failures1 = []
+ failures2 = []
+ entry_ops1 = []
+ entry_ops2 = []
+
+ if failures:
+ pending_failures = True
+ failures1 = failures
+ entry_ops1 = entries
+
+ while pending_failures and retries < self.MAX_EF_RETRIES:
+ retries += 1
+ (failures2, entry_ops2) = self.fix_possible_entry_failures(
+ failures1, retries, entry_ops1)
+ if not failures2:
+ pending_failures = False
+ logging.info(lf('Successfully fixed entry ops with gfid '
+ 'mismatch', retry_count=retries))
+ else:
+ pending_failures = True
+ failures1 = failures2
+ entry_ops1 = entry_ops2
+
+ if pending_failures:
+ for failure in failures1:
+ logging.error("Failed to fix entry ops %s", repr(failure))
def process_change(self, change, done, retry):
pfx = gauxpfx()
@@ -796,8 +993,28 @@ class GMasterChangelogMixin(GMasterCommon):
meta_gfid = set()
datas = set()
- # basic crawl stats: files and bytes
- files_pending = {'count': 0, 'purge': 0, 'bytes': 0, 'files': []}
+ change_ts = change.split(".")[-1]
+
+ # Ignore entry ops which are already processed in Changelog modes
+ ignore_entry_ops = False
+ entry_stime = None
+ data_stime = None
+ if self.name in ["live_changelog", "history_changelog"]:
+ entry_stime = self.get_entry_stime()
+ data_stime = self.get_data_stime()
+
+ if entry_stime is not None and data_stime is not None:
+ # if entry_stime is not None but data_stime > entry_stime
+ # This situation is caused by the stime update of Passive worker
+ # Consider data_stime in this case.
+ if data_stime[0] > entry_stime[0]:
+ entry_stime = data_stime
+
+ # Compare the entry_stime with changelog file suffix
+ # if changelog time is less than entry_stime then ignore
+ if int(change_ts) <= entry_stime[0]:
+ ignore_entry_ops = True
+
try:
f = open(change, "r")
clist = f.readlines()
@@ -805,34 +1022,27 @@ class GMasterChangelogMixin(GMasterCommon):
except IOError:
raise
- def edct(op, **ed):
- dct = {}
- dct['op'] = op
- for k in ed:
- if k == 'stat':
- st = ed[k]
- dst = dct['stat'] = {}
- if st:
- dst['uid'] = st.st_uid
- dst['gid'] = st.st_gid
- dst['mode'] = st.st_mode
- else:
- dct[k] = ed[k]
- return dct
-
- # entry counts (not purges)
- def entry_update():
- files_pending['count'] += 1
-
- # purge count
- def purge_update():
- files_pending['purge'] += 1
-
for e in clist:
e = e.strip()
et = e[self.IDX_START:self.IDX_END] # entry type
ec = e[self.IDX_END:].split(' ') # rest of the bits
+ # skip ENTRY operation if hot tier brick
+ if self.name == 'live_changelog' or \
+ self.name == 'history_changelog':
+ if rconf.args.is_hottier and et == self.TYPE_ENTRY:
+ logging.debug(lf('skip ENTRY op if hot tier brick',
+ op=ec[self.POS_TYPE]))
+ continue
+
+ # Data and Meta operations are decided while parsing
+ # UNLINK/RMDIR/MKNOD except that case ignore all the other
+ # entry ops if ignore_entry_ops is True.
+ # UNLINK/RMDIR/MKNOD entry_ops are ignored in the end
+ if ignore_entry_ops and et == self.TYPE_ENTRY and \
+ ec[self.POS_TYPE] not in ["UNLINK", "RMDIR", "MKNOD"]:
+ continue
+
if et == self.TYPE_ENTRY:
# extract information according to the type of
# the entry operation. create(), mkdir() and mknod()
@@ -840,56 +1050,128 @@ class GMasterChangelogMixin(GMasterCommon):
# itself, so no need to stat()...
ty = ec[self.POS_TYPE]
+ self.update_fop_batch_stats(ec[self.POS_TYPE])
+
# PARGFID/BNAME
- en = unescape(os.path.join(pfx, ec[self.POS_ENTRY1]))
+ en = unescape_space_newline(
+ os.path.join(pfx, ec[self.POS_ENTRY1]))
# GFID of the entry
gfid = ec[self.POS_GFID]
if ty in ['UNLINK', 'RMDIR']:
+ # The index of PARGFID/BNAME for UNLINK, RMDIR
+ # is no more the last index. It varies based on
+ # changelog.capture-del-path is enabled or not.
+ en = unescape_space_newline(
+ os.path.join(pfx, ec[self.UNLINK_ENTRY]))
+
# Remove from DATA list, so that rsync will
# not fail
pt = os.path.join(pfx, ec[0])
- if pt in datas:
+ st = lstat(pt)
+ if pt in datas and isinstance(st, int):
+ # file got unlinked, May be historical Changelog
datas.remove(pt)
- purge_update()
- entries.append(edct(ty, gfid=gfid, entry=en))
+ if ty in ['RMDIR'] and not isinstance(st, int):
+ logging.info(lf('Ignoring rmdir. Directory present in '
+ 'master', gfid=gfid, pgfid_bname=en))
+ continue
+
+ if not gconf.get("ignore-deletes"):
+ if not ignore_entry_ops:
+ entries.append(edct(ty, gfid=gfid, entry=en))
elif ty in ['CREATE', 'MKDIR', 'MKNOD']:
- entry_update()
- # stat information present in the changelog itself
+ # Special case: record mknod as link
+ if ty in ['MKNOD']:
+ mode = int(ec[2])
+ if mode & 0o1000:
+ # Avoid stat'ing the file as it
+ # may be deleted in the interim
+ st = FreeObject(st_mode=int(ec[2]),
+ st_uid=int(ec[3]),
+ st_gid=int(ec[4]),
+ st_atime=0,
+ st_mtime=0)
+
+ # So, it may be deleted, but still we are
+ # append LINK? Because, the file will be
+ # CREATED if source not exists.
+ entries.append(edct('LINK', stat=st, entry=en,
+ gfid=gfid))
+
+ # Here, we have the assumption that only
+ # tier-gfid.linkto causes this mknod. Add data
+ datas.add(os.path.join(pfx, ec[0]))
+ continue
+
+ # stat info. present in the changelog itself
entries.append(edct(ty, gfid=gfid, entry=en,
- mode=int(ec[2]),
- uid=int(ec[3]), gid=int(ec[4])))
+ mode=int(ec[2]),
+ uid=int(ec[3]), gid=int(ec[4])))
elif ty == "RENAME":
go = os.path.join(pfx, gfid)
st = lstat(go)
if isinstance(st, int):
st = {}
- entry_update()
- e1 = unescape(os.path.join(pfx, ec[self.POS_ENTRY1 - 1]))
+ rl = None
+ if st and stat.S_ISLNK(st.st_mode):
+ rl = errno_wrap(os.readlink, [en], [ENOENT],
+ [ESTALE, EINTR])
+ if isinstance(rl, int):
+ rl = None
+
+ e1 = unescape_space_newline(
+ os.path.join(pfx, ec[self.POS_ENTRY1 - 1]))
entries.append(edct(ty, gfid=gfid, entry=e1, entry1=en,
- stat=st))
+ stat=st, link=rl))
+ # If src doesn't exist while doing rename, destination
+ # is created. If data is not followed by rename, this
+ # remains zero byte file on slave. Hence add data entry
+ # for renames
+ datas.add(os.path.join(pfx, gfid))
else:
# stat() to get mode and other information
+ if not matching_disk_gfid(gfid, en):
+ logging.debug(lf('Ignoring entry, purged in the '
+ 'interim', file=en, gfid=gfid))
+ continue
+
go = os.path.join(pfx, gfid)
st = lstat(go)
if isinstance(st, int):
- logging.debug('file %s got purged in the interim' % go)
+ logging.debug(lf('Ignoring entry, purged in the '
+ 'interim', file=en, gfid=gfid))
continue
if ty == 'LINK':
- entry_update()
- entries.append(edct(ty, stat=st, entry=en, gfid=gfid))
+ rl = None
+ if st and stat.S_ISLNK(st.st_mode):
+ rl = errno_wrap(os.readlink, [en], [ENOENT],
+ [ESTALE, EINTR])
+ if isinstance(rl, int):
+ rl = None
+ entries.append(edct(ty, stat=st, entry=en, gfid=gfid,
+ link=rl))
+ # If src doesn't exist while doing link, destination
+ # is created based on file type. If data is not
+ # followed by link, this remains zero byte file on
+ # slave. Hence add data entry for links
+ if rl is None:
+ datas.add(os.path.join(pfx, gfid))
elif ty == 'SYMLINK':
- rl = errno_wrap(os.readlink, [en], [ENOENT])
+ rl = errno_wrap(os.readlink, [en], [ENOENT],
+ [ESTALE, EINTR])
if isinstance(rl, int):
continue
- entry_update()
+
entries.append(
edct(ty, stat=st, entry=en, gfid=gfid, link=rl))
else:
- logging.warn('ignoring %s [op %s]' % (gfid, ty))
+ logging.warn(lf('ignoring op',
+ gfid=gfid,
+ type=ty))
elif et == self.TYPE_GFID:
# If self.unlinked_gfids is available, then that means it is
# retrying the changelog second time. Do not add the GFID's
@@ -900,6 +1182,7 @@ class GMasterChangelogMixin(GMasterCommon):
else:
datas.add(os.path.join(pfx, ec[0]))
elif et == self.TYPE_META:
+ self.update_fop_batch_stats(ec[self.POS_TYPE])
if ec[1] == 'SETATTR': # only setattr's for now...
if len(ec) == 5:
# In xsync crawl, we already have stat data
@@ -907,17 +1190,74 @@ class GMasterChangelogMixin(GMasterCommon):
meta_gfid.add((os.path.join(pfx, ec[0]),
XCrawlMetadata(st_uid=ec[2],
st_gid=ec[3],
- st_mode=ec[4])))
+ st_mode=ec[4],
+ st_atime=ec[5],
+ st_mtime=ec[6])))
else:
meta_gfid.add((os.path.join(pfx, ec[0]), ))
+ elif ec[1] in ['SETXATTR', 'XATTROP', 'FXATTROP']:
+ # To sync xattr/acls use rsync/tar, --xattrs and --acls
+ # switch to rsync and tar
+ if not gconf.get("sync-method") == "tarssh" and \
+ (gconf.get("sync-xattrs") or gconf.get("sync-acls")):
+ datas.add(os.path.join(pfx, ec[0]))
else:
- logging.warn('got invalid changelog type: %s' % (et))
+ logging.warn(lf('got invalid fop type',
+ type=et))
logging.debug('entries: %s' % repr(entries))
- if not retry:
- self.update_worker_cumilitive_status(files_pending)
+
+ # Increment counters for Status
+ self.files_in_batch += len(datas)
+ self.status.inc_value("data", len(datas))
+
+ self.batch_stats["DATA"] += self.files_in_batch - \
+ self.batch_stats["SETXATTR"] - \
+ self.batch_stats["XATTROP"]
+
+ entry_start_time = time.time()
# sync namespace
- if entries:
- self.slave.server.entry_ops(entries)
+ if entries and not ignore_entry_ops:
+ # Increment counters for Status
+ self.status.inc_value("entry", len(entries))
+
+ failures = self.slave.server.entry_ops(entries)
+
+ if gconf.get("gfid-conflict-resolution"):
+ count = 0
+ if failures:
+ logging.info(lf('Entry ops failed with gfid mismatch',
+ count=len(failures)))
+ while failures and count < self.MAX_OE_RETRIES:
+ count += 1
+ self.handle_entry_failures(failures, entries)
+ logging.info(lf('Retry original entries', count=count))
+ failures = self.slave.server.entry_ops(entries)
+ if not failures:
+ logging.info("Successfully fixed all entry ops with "
+ "gfid mismatch")
+ break
+
+ self.log_failures(failures, 'gfid', gauxpfx(), 'ENTRY')
+ self.status.dec_value("entry", len(entries))
+
+ # Update Entry stime in Brick Root only in case of Changelog mode
+ if self.name in ["live_changelog", "history_changelog"]:
+ entry_stime_to_update = (int(change_ts) - 1, 0)
+ self.upd_entry_stime(entry_stime_to_update)
+ self.status.set_field("last_synced_entry",
+ entry_stime_to_update[0])
+
+ self.batch_stats["ENTRY_SYNC_TIME"] += time.time() - entry_start_time
+
+ if ignore_entry_ops:
+ # Book keeping, to show in logs the range of Changelogs skipped
+ self.num_skipped_entry_changelogs += 1
+ if self.skipped_entry_changelogs_first is None:
+ self.skipped_entry_changelogs_first = change_ts
+
+ self.skipped_entry_changelogs_last = change_ts
+
+ meta_start_time = time.time()
# sync metadata
if meta_gfid:
meta_entries = []
@@ -927,23 +1267,41 @@ class GMasterChangelogMixin(GMasterCommon):
else:
st = lstat(go[0])
if isinstance(st, int):
- logging.debug('file %s got purged in the interim' % go[0])
+ logging.debug(lf('file got purged in the interim',
+ file=go[0]))
continue
meta_entries.append(edct('META', go=go[0], stat=st))
if meta_entries:
- self.slave.server.meta_ops(meta_entries)
+ self.status.inc_value("meta", len(meta_entries))
+ failures = self.slave.server.meta_ops(meta_entries)
+ self.log_failures(failures, 'go', '', 'META')
+ self.status.dec_value("meta", len(meta_entries))
+
+ self.batch_stats["META_SYNC_TIME"] += time.time() - meta_start_time
+
+ if self.batch_stats["DATA_START_TIME"] == 0:
+ self.batch_stats["DATA_START_TIME"] = time.time()
+
# sync data
if datas:
self.a_syncdata(datas)
+ self.datas_in_batch.update(datas)
def process(self, changes, done=1):
tries = 0
retry = False
+ self.unlinked_gfids = set()
+ self.files_in_batch = 0
+ self.datas_in_batch = set()
+ # Error log disabled till the last round
+ self.syncer.disable_errorlog()
+ self.skipped_entry_changelogs_first = None
+ self.skipped_entry_changelogs_last = None
+ self.num_skipped_entry_changelogs = 0
+ self.batch_start_time = time.time()
+ self.init_fop_batch_stats()
while True:
- self.skipped_gfid_list = []
- self.current_files_skipped_count = 0
-
# first, fire all changelog transfers in parallel. entry and
# metadata are performed synchronously, therefore in serial.
# However at the end of each changelog, data is synchronized
@@ -951,12 +1309,27 @@ class GMasterChangelogMixin(GMasterCommon):
# entries/metadata of that changelog but happens in parallel
# with data of other changelogs.
- for change in changes:
- logging.debug('processing change %s' % change)
- self.process_change(change, done, retry)
- if not retry:
- # number of changelogs processed in the batch
- self.turns += 1
+ if retry:
+ if tries == (gconf.get("max-rsync-retries") - 1):
+ # Enable Error logging if it is last retry
+ self.syncer.enable_errorlog()
+
+ # Remove Unlinked GFIDs from Queue
+ for unlinked_gfid in self.unlinked_gfids:
+ if unlinked_gfid in self.datas_in_batch:
+ self.datas_in_batch.remove(unlinked_gfid)
+
+ # Retry only Sync. Do not retry entry ops
+ if self.datas_in_batch:
+ self.a_syncdata(self.datas_in_batch)
+ else:
+ for change in changes:
+ logging.debug(lf('processing change',
+ changelog=change))
+ self.process_change(change, done, retry)
+ if not retry:
+ # number of changelogs processed in the batch
+ self.turns += 1
# Now we wait for all the data transfers fired off in the above
# step to complete. Note that this is not ideal either. Ideally
@@ -973,36 +1346,43 @@ class GMasterChangelogMixin(GMasterCommon):
# update the slave's time with the timestamp of the _last_
# changelog file time suffix. Since, the changelog prefix time
# is the time when the changelog was rolled over, introduce a
- # tolerence of 1 second to counter the small delta b/w the
+ # tolerance of 1 second to counter the small delta b/w the
# marker update and gettimeofday().
# NOTE: this is only for changelog mode, not xsync.
# @change is the last changelog (therefore max time for this batch)
if self.syncdata_wait():
- self.unlinked_gfids = []
+ self.unlinked_gfids = set()
if done:
xtl = (int(change.split('.')[-1]) - 1, 0)
self.upd_stime(xtl)
- map(self.changelog_done_func, changes)
- self.update_worker_files_syncd()
+ list(map(self.changelog_done_func, changes))
+ self.archive_and_purge_changelogs(changes)
+
+ # Reset Data counter after sync
+ self.status.dec_value("data", self.files_in_batch)
+ self.files_in_batch = 0
+ self.datas_in_batch = set()
break
# We do not know which changelog transfer failed, retry everything.
retry = True
tries += 1
- if tries == self.MAX_RETRIES:
- logging.warn('changelogs %s could not be processed - '
- 'moving on...' %
- ' '.join(map(os.path.basename, changes)))
- self.update_worker_total_files_skipped(
- self.current_files_skipped_count)
- logging.warn('SKIPPED GFID = %s' %
- ','.join(self.skipped_gfid_list))
- self.update_worker_files_syncd()
+ if tries == gconf.get("max-rsync-retries"):
+ logging.error(lf('changelogs could not be processed '
+ 'completely - moving on...',
+ files=list(map(os.path.basename, changes))))
+
+ # Reset data counter on failure
+ self.status.dec_value("data", self.files_in_batch)
+ self.files_in_batch = 0
+ self.datas_in_batch = set()
+
if done:
xtl = (int(change.split('.')[-1]) - 1, 0)
self.upd_stime(xtl)
- map(self.changelog_done_func, changes)
+ list(map(self.changelog_done_func, changes))
+ self.archive_and_purge_changelogs(changes)
break
# it's either entry_ops() or Rsync that failed to do it's
# job. Mostly it's entry_ops() [which currently has a problem
@@ -1011,234 +1391,187 @@ class GMasterChangelogMixin(GMasterCommon):
# entry_ops() that failed... so we retry the _whole_ changelog
# again.
# TODO: remove entry retries when it's gets fixed.
- logging.warn('incomplete sync, retrying changelogs: %s' %
- ' '.join(map(os.path.basename, changes)))
+ logging.warn(lf('incomplete sync, retrying changelogs',
+ files=list(map(os.path.basename, changes))))
+
+ # Reset the Data counter before Retry
+ self.status.dec_value("data", self.files_in_batch)
+ self.files_in_batch = 0
+ self.init_fop_batch_stats()
time.sleep(0.5)
+ # Log the Skipped Entry ops range if any
+ if self.skipped_entry_changelogs_first is not None and \
+ self.skipped_entry_changelogs_last is not None:
+ logging.info(lf("Skipping already processed entry ops",
+ from_changelog=self.skipped_entry_changelogs_first,
+ to_changelog=self.skipped_entry_changelogs_last,
+ num_changelogs=self.num_skipped_entry_changelogs))
+
+ # Log Current batch details
+ if changes:
+ logging.info(
+ lf("Entry Time Taken",
+ UNL=self.batch_stats["UNLINK"],
+ RMD=self.batch_stats["RMDIR"],
+ CRE=self.batch_stats["CREATE"],
+ MKN=self.batch_stats["MKNOD"],
+ MKD=self.batch_stats["MKDIR"],
+ REN=self.batch_stats["RENAME"],
+ LIN=self.batch_stats["LINK"],
+ SYM=self.batch_stats["SYMLINK"],
+ duration="%.4f" % self.batch_stats["ENTRY_SYNC_TIME"]))
+
+ logging.info(
+ lf("Data/Metadata Time Taken",
+ SETA=self.batch_stats["SETATTR"],
+ meta_duration="%.4f" % self.batch_stats["META_SYNC_TIME"],
+ SETX=self.batch_stats["SETXATTR"],
+ XATT=self.batch_stats["XATTROP"],
+ DATA=self.batch_stats["DATA"],
+ data_duration="%.4f" % (
+ time.time() - self.batch_stats["DATA_START_TIME"])))
+
+ logging.info(
+ lf("Batch Completed",
+ mode=self.name,
+ duration="%.4f" % (time.time() - self.batch_start_time),
+ changelog_start=changes[0].split(".")[-1],
+ changelog_end=changes[-1].split(".")[-1],
+ num_changelogs=len(changes),
+ stime=self.get_data_stime(),
+ entry_stime=self.get_entry_stime()))
+
+ def upd_entry_stime(self, stime):
+ self.slave.server.set_entry_stime(self.FLAT_DIR_HIERARCHY,
+ self.uuid,
+ stime)
+
def upd_stime(self, stime, path=None):
if not path:
path = self.FLAT_DIR_HIERARCHY
if not stime == URXTIME:
self.sendmark(path, stime)
- def get_worker_status_file(self):
- file_name = gconf.local_path + '.status'
- file_name = file_name.replace("/", "_")
- worker_status_file = gconf.georep_session_working_dir + file_name
- return worker_status_file
-
- def update_worker_status(self, key, value):
- default_data = {"remote_node": "N/A",
- "worker status": "Not Started",
- "crawl status": "N/A",
- "files_syncd": 0,
- "files_remaining": 0,
- "bytes_remaining": 0,
- "purges_remaining": 0,
- "total_files_skipped": 0}
- worker_status_file = self.get_worker_status_file()
- try:
- with open(worker_status_file, 'r+') as f:
- loaded_data = json.load(f)
- loaded_data[key] = value
- os.ftruncate(f.fileno(), 0)
- os.lseek(f.fileno(), 0, os.SEEK_SET)
- json.dump(loaded_data, f)
- f.flush()
- os.fsync(f.fileno())
- except (IOError, OSError, ValueError):
- logging.info('Creating new %s' % worker_status_file)
- try:
- with open(worker_status_file, 'wb') as f:
- default_data[key] = value
- json.dump(default_data, f)
- f.flush()
- os.fsync(f.fileno())
- except:
- raise
+ # Update last_synced_time in status file based on stime
+ # only update stime if stime xattr set to Brick root
+ if path == self.FLAT_DIR_HIERARCHY:
+ chkpt_time = gconf.getr("checkpoint")
+ checkpoint_time = 0
+ if chkpt_time is not None:
+ checkpoint_time = int(chkpt_time)
- def update_worker_cumilitive_status(self, files_pending):
- default_data = {"remote_node": "N/A",
- "worker status": "Not Started",
- "crawl status": "N/A",
- "files_syncd": 0,
- "files_remaining": 0,
- "bytes_remaining": 0,
- "purges_remaining": 0,
- "total_files_skipped": 0}
- worker_status_file = self.get_worker_status_file()
- try:
- with open(worker_status_file, 'r+') as f:
- loaded_data = json.load(f)
- loaded_data['files_remaining'] = files_pending['count']
- loaded_data['bytes_remaining'] = files_pending['bytes']
- loaded_data['purges_remaining'] = files_pending['purge']
- os.ftruncate(f.fileno(), 0)
- os.lseek(f.fileno(), 0, os.SEEK_SET)
- json.dump(loaded_data, f)
- f.flush()
- os.fsync(f.fileno())
- except (IOError, OSError, ValueError):
- logging.info('Creating new %s' % worker_status_file)
- try:
- with open(worker_status_file, 'wb') as f:
- default_data['files_remaining'] = files_pending['count']
- default_data['bytes_remaining'] = files_pending['bytes']
- default_data['purges_remaining'] = files_pending['purge']
- json.dump(default_data, f)
- f.flush()
- os.fsync(f.fileno())
- except:
- raise
+ self.status.set_last_synced(stime, checkpoint_time)
def update_worker_remote_node(self):
- node = sys.argv[-1]
- node = node.split("@")[-1]
- remote_node_ip = node.split(":")[0]
- remote_node_vol = node.split(":")[3]
- remote_node = remote_node_ip + '::' + remote_node_vol
- self.update_worker_status('remote_node', remote_node)
-
- def update_worker_health(self, state):
- self.update_worker_status('worker status', state)
-
- def update_worker_crawl_status(self, state):
- self.update_worker_status('crawl status', state)
-
- def update_worker_files_syncd(self):
- default_data = {"remote_node": "N/A",
- "worker status": "Not Started",
- "crawl status": "N/A",
- "files_syncd": 0,
- "files_remaining": 0,
- "bytes_remaining": 0,
- "purges_remaining": 0,
- "total_files_skipped": 0}
- worker_status_file = self.get_worker_status_file()
- try:
- with open(worker_status_file, 'r+') as f:
- loaded_data = json.load(f)
- loaded_data['files_syncd'] += loaded_data['files_remaining']
- loaded_data['files_remaining'] = 0
- loaded_data['bytes_remaining'] = 0
- loaded_data['purges_remaining'] = 0
- os.ftruncate(f.fileno(), 0)
- os.lseek(f.fileno(), 0, os.SEEK_SET)
- json.dump(loaded_data, f)
- f.flush()
- os.fsync(f.fileno())
- except (IOError, OSError, ValueError):
- logging.info('Creating new %s' % worker_status_file)
- try:
- with open(worker_status_file, 'wb') as f:
- json.dump(default_data, f)
- f.flush()
- os.fsync(f.fileno())
- except:
- raise
+ node = rconf.args.resource_remote
+ node_data = node.split("@")
+ node = node_data[-1]
+ remote_node_ip, _ = host_brick_split(node)
+ self.status.set_slave_node(remote_node_ip)
+
+ def changelogs_batch_process(self, changes):
+ changelogs_batches = []
+ current_size = 0
+ for c in changes:
+ si = os.lstat(c).st_size
+ if (si + current_size) > gconf.get("changelog-batch-size"):
+ # Create new batch if single Changelog file greater than
+ # Max Size! or current batch size exceeds Max size
+ changelogs_batches.append([c])
+ current_size = si
+ else:
+ # Append to last batch, if No batches available Create one
+ current_size += si
+ if not changelogs_batches:
+ changelogs_batches.append([c])
+ else:
+ changelogs_batches[-1].append(c)
- def update_worker_files_remaining(self, state):
- self.update_worker_status('files_remaining', state)
-
- def update_worker_bytes_remaining(self, state):
- self.update_worker_status('bytes_remaining', state)
-
- def update_worker_purges_remaining(self, state):
- self.update_worker_status('purges_remaining', state)
-
- def update_worker_total_files_skipped(self, value):
- default_data = {"remote_node": "N/A",
- "worker status": "Not Started",
- "crawl status": "N/A",
- "files_syncd": 0,
- "files_remaining": 0,
- "bytes_remaining": 0,
- "purges_remaining": 0,
- "total_files_skipped": 0}
- worker_status_file = self.get_worker_status_file()
- try:
- with open(worker_status_file, 'r+') as f:
- loaded_data = json.load(f)
- loaded_data['total_files_skipped'] = value
- loaded_data['files_remaining'] -= value
- os.ftruncate(f.fileno(), 0)
- os.lseek(f.fileno(), 0, os.SEEK_SET)
- json.dump(loaded_data, f)
- f.flush()
- os.fsync(f.fileno())
- except (IOError, OSError, ValueError):
- logging.info('Creating new %s' % worker_status_file)
- try:
- with open(worker_status_file, 'wb') as f:
- default_data['total_files_skipped'] = value
- json.dump(default_data, f)
- f.flush()
- os.fsync(f.fileno())
- except:
- raise
+ for batch in changelogs_batches:
+ logging.debug(lf('processing changes',
+ batch=batch))
+ self.process(batch)
- def crawl(self, no_stime_update=False):
- self.update_worker_crawl_status("Changelog Crawl")
+ def crawl(self):
+ self.status.set_worker_crawl_status("Changelog Crawl")
changes = []
# get stime (from the brick) and purge changelogs
# that are _historical_ to that time.
- purge_time = self.get_purge_time()
+ data_stime = self.get_data_stime()
- self.changelog_agent.scan()
+ libgfchangelog.scan()
self.crawls += 1
- changes = self.changelog_agent.getchanges()
+ changes = libgfchangelog.getchanges()
if changes:
- if purge_time:
- logging.info("slave's time: %s" % repr(purge_time))
+ if data_stime:
+ logging.info(lf("slave's time",
+ stime=data_stime))
processed = [x for x in changes
- if int(x.split('.')[-1]) < purge_time[0]]
+ if int(x.split('.')[-1]) < data_stime[0]]
for pr in processed:
- logging.info(
- 'skipping already processed change: %s...' %
- os.path.basename(pr))
+ logging.debug(
+ lf('skipping already processed change',
+ changelog=os.path.basename(pr)))
self.changelog_done_func(pr)
changes.remove(pr)
+ self.archive_and_purge_changelogs(processed)
- if changes:
- logging.debug('processing changes %s' % repr(changes))
- self.process(changes)
+ self.changelogs_batch_process(changes)
- def register(self, register_time, changelog_agent):
- self.changelog_agent = changelog_agent
- self.sleep_interval = int(gconf.change_interval)
- self.changelog_done_func = self.changelog_agent.done
+ def register(self, register_time, status):
+ self.sleep_interval = gconf.get("change-interval")
+ self.changelog_done_func = libgfchangelog.done
+ self.tempdir = self.setup_working_dir()
+ self.processed_changelogs_dir = os.path.join(self.tempdir,
+ ".processed")
+ self.name = "live_changelog"
+ self.status = status
class GMasterChangeloghistoryMixin(GMasterChangelogMixin):
- def register(self, register_time, changelog_agent):
- self.changelog_agent = changelog_agent
+ def register(self, register_time, status):
self.changelog_register_time = register_time
self.history_crawl_start_time = register_time
- self.changelog_done_func = self.changelog_agent.history_done
+ self.changelog_done_func = libgfchangelog.history_done
self.history_turns = 0
+ self.tempdir = self.setup_working_dir()
+ self.processed_changelogs_dir = os.path.join(self.tempdir,
+ ".history/.processed")
+ self.name = "history_changelog"
+ self.status = status
- def crawl(self, no_stime_update=False):
+ def crawl(self):
self.history_turns += 1
- self.update_worker_crawl_status("History Crawl")
- purge_time = self.get_purge_time()
+ self.status.set_worker_crawl_status("History Crawl")
+ data_stime = self.get_data_stime()
+
+ end_time = int(time.time())
+
+ #as start of historical crawl marks Geo-rep worker restart
+ if gconf.get("ignore-deletes"):
+ logging.info(lf('ignore-deletes config option is set',
+ stime=data_stime))
- logging.info('starting history crawl... turns: %s, stime: %s'
- % (self.history_turns, repr(purge_time)))
+ logging.info(lf('starting history crawl',
+ turns=self.history_turns,
+ stime=data_stime,
+ etime=end_time,
+ entry_stime=self.get_entry_stime()))
- if not purge_time or purge_time == URXTIME:
- logging.info("stime not available, abandoning history crawl")
- raise NoPurgeTimeAvailable()
+ if not data_stime or data_stime == URXTIME:
+ raise NoStimeAvailable()
# Changelogs backend path is hardcoded as
# <BRICK_PATH>/.glusterfs/changelogs, if user configured to different
# location then consuming history will not work(Known issue as of now)
- changelog_path = os.path.join(gconf.local_path,
+ changelog_path = os.path.join(rconf.args.local_path,
".glusterfs/changelogs")
- ret, actual_end = self.changelog_agent.history(
+ ret, actual_end = libgfchangelog.history_changelog(
changelog_path,
- purge_time[0],
- self.changelog_register_time,
- int(gconf.sync_jobs))
+ data_stime[0],
+ end_time,
+ gconf.get("sync-jobs"))
# scan followed by getchanges till scan returns zero.
# history_scan() is blocking call, till it gets the number
@@ -1246,29 +1579,30 @@ class GMasterChangeloghistoryMixin(GMasterChangelogMixin):
# to be processed. returns positive value as number of changelogs
# to be processed, which will be fetched using
# history_getchanges()
- while self.changelog_agent.history_scan() > 0:
+ while libgfchangelog.history_scan() > 0:
self.crawls += 1
- changes = self.changelog_agent.history_getchanges()
+ changes = libgfchangelog.history_getchanges()
if changes:
- if purge_time:
- logging.info("slave's time: %s" % repr(purge_time))
+ if data_stime:
+ logging.info(lf("slave's time",
+ stime=data_stime))
processed = [x for x in changes
- if int(x.split('.')[-1]) < purge_time[0]]
+ if int(x.split('.')[-1]) < data_stime[0]]
for pr in processed:
- logging.info('skipping already processed change: '
- '%s...' % os.path.basename(pr))
+ logging.debug(lf('skipping already processed change',
+ changelog=os.path.basename(pr)))
self.changelog_done_func(pr)
changes.remove(pr)
- if changes:
- logging.debug('processing changes %s' % repr(changes))
- self.process(changes)
+ self.changelogs_batch_process(changes)
history_turn_time = int(time.time()) - self.history_crawl_start_time
- logging.info('finished history crawl syncing, endtime: %s, stime: %s'
- % (actual_end, repr(self.get_purge_time())))
+ logging.info(lf('finished history crawl',
+ endtime=actual_end,
+ stime=self.get_data_stime(),
+ entry_stime=self.get_entry_stime()))
# If TS returned from history_changelog is < register_time
# then FS crawl may be required, since history is only available
@@ -1282,7 +1616,7 @@ class GMasterChangeloghistoryMixin(GMasterChangelogMixin):
self.history_crawl_start_time = int(time.time())
self.crawl()
else:
- # This exeption will be catched in resource.py and
+ # This exception will be caught in resource.py and
# fallback to xsync for the small gap.
raise PartialHistoryAvailable(str(actual_end))
@@ -1291,7 +1625,7 @@ class GMasterXsyncMixin(GMasterChangelogMixin):
"""
This crawl needs to be xtime based (as of now
- it's not. this is beacuse we generate CHANGELOG
+ it's not. this is because we generate CHANGELOG
file during each crawl which is then processed
by process_change()).
For now it's used as a one-shot initial sync
@@ -1301,14 +1635,18 @@ class GMasterXsyncMixin(GMasterChangelogMixin):
XSYNC_MAX_ENTRIES = 1 << 13
- def register(self, register_time=None, changelog_agent=None):
+ def register(self, register_time=None, status=None):
+ self.status = status
self.counter = 0
self.comlist = []
self.stimes = []
self.sleep_interval = 60
self.tempdir = self.setup_working_dir()
+ logging.info(lf('Working dir',
+ path=self.tempdir))
self.tempdir = os.path.join(self.tempdir, 'xsync')
- logging.info('xsync temp directory: %s' % self.tempdir)
+ self.processed_changelogs_dir = self.tempdir
+ self.name = "xsync"
try:
os.makedirs(self.tempdir)
except OSError:
@@ -1317,50 +1655,52 @@ class GMasterXsyncMixin(GMasterChangelogMixin):
pass
else:
raise
+ # Purge stale unprocessed xsync changelogs
+ for f in os.listdir(self.tempdir):
+ if f.startswith("XSYNC-CHANGELOG"):
+ os.remove(os.path.join(self.tempdir, f))
+
- def crawl(self, no_stime_update=False):
+ def crawl(self):
"""
event dispatcher thread
this thread dispatches either changelog or synchronizes stime.
- additionally terminates itself on recieving a 'finale' event
+ additionally terminates itself on receiving a 'finale' event
"""
def Xsyncer():
self.Xcrawl()
t = Thread(target=Xsyncer)
t.start()
- logging.info('starting hybrid crawl..., stime: %s'
- % repr(self.get_purge_time()))
- self.update_worker_crawl_status("Hybrid Crawl")
+ logging.info(lf('starting hybrid crawl',
+ stime=self.get_data_stime()))
+ self.status.set_worker_crawl_status("Hybrid Crawl")
while True:
try:
item = self.comlist.pop(0)
if item[0] == 'finale':
- logging.info('finished hybrid crawl syncing, stime: %s'
- % repr(self.get_purge_time()))
+ logging.info(lf('finished hybrid crawl',
+ stime=self.get_data_stime()))
break
elif item[0] == 'xsync':
- logging.info('processing xsync changelog %s' % (item[1]))
+ logging.info(lf('processing xsync changelog',
+ path=item[1]))
self.process([item[1]], 0)
+ self.archive_and_purge_changelogs([item[1]])
elif item[0] == 'stime':
- if not no_stime_update:
- # xsync is started after running history but if
- # history actual end time is less than register time
- # then if we update stime, live changelog processing
- # will skip the changelogs for which TS is less than
- # stime. During this deletes and renames are not
- # propogated. By not setting stime live changelog will
- # start processing from the register time. Since we
- # have xsync_upper_limit their will not be much
- # overlap/redo of changelogs.
- logging.debug('setting slave time: %s' % repr(item[1]))
- self.upd_stime(item[1][1], item[1][0])
+ logging.debug(lf('setting slave time',
+ time=item[1]))
+ self.upd_stime(item[1][1], item[1][0])
else:
- logging.warn('unknown tuple in comlist (%s)' % repr(item))
+ logging.warn(lf('unknown tuple in comlist',
+ entry=item))
except IndexError:
time.sleep(1)
def write_entry_change(self, prefix, data=[]):
+ if not getattr(self, "fh", None):
+ self.open()
+
self.fh.write("%s %s\n" % (prefix, ' '.join(data)))
def open(self):
@@ -1372,7 +1712,11 @@ class GMasterXsyncMixin(GMasterChangelogMixin):
raise
def close(self):
- self.fh.close()
+ if getattr(self, "fh", None):
+ self.fh.flush()
+ os.fsync(self.fh.fileno())
+ self.fh.close()
+ self.fh = None
def fname(self):
return self.xsync_change
@@ -1383,11 +1727,11 @@ class GMasterXsyncMixin(GMasterChangelogMixin):
def sync_xsync(self, last):
"""schedule a processing of changelog"""
self.close()
- self.put('xsync', self.fname())
+ if self.counter > 0:
+ self.put('xsync', self.fname())
self.counter = 0
if not last:
time.sleep(1) # make sure changelogs are 1 second apart
- self.open()
def sync_stime(self, stime=None, last=False):
"""schedule a stime synchronization"""
@@ -1409,7 +1753,7 @@ class GMasterXsyncMixin(GMasterChangelogMixin):
def is_sticky(self, path, mo):
"""check for DHTs linkto sticky bit file"""
sticky = False
- if mo & 01000:
+ if mo & 0o1000:
sticky = self.master.server.linkto_check(path)
return sticky
@@ -1421,15 +1765,15 @@ class GMasterXsyncMixin(GMasterChangelogMixin):
the filesystem tree, but set after directory synchronization.
"""
if path == '.':
- self.open()
self.crawls += 1
if not xtr_root:
# get the root stime and use it for all comparisons
xtr_root = self.xtime('.', self.slave)
if isinstance(xtr_root, int):
if xtr_root != ENOENT:
- logging.warn("slave cluster not returning the "
- "correct xtime for root (%d)" % xtr_root)
+ logging.warn(lf("slave cluster not returning the "
+ "xtime for root",
+ error=xtr_root))
xtr_root = self.minus_infinity
xtl = self.xtime(path)
if isinstance(xtl, int):
@@ -1437,10 +1781,15 @@ class GMasterXsyncMixin(GMasterChangelogMixin):
xtr = self.xtime(path, self.slave)
if isinstance(xtr, int):
if xtr != ENOENT:
- logging.warn("slave cluster not returning the "
- "correct xtime for %s (%d)" % (path, xtr))
+ logging.warn(lf("slave cluster not returning the "
+ "xtime for dir",
+ path=path,
+ error=xtr))
xtr = self.minus_infinity
xtr = max(xtr, xtr_root)
+ zero_zero = (0, 0)
+ if xtr_root == zero_zero:
+ xtr = self.minus_infinity
if not self.need_sync(path, xtl, xtr):
if path == '.':
self.sync_done([(path, xtl)], True)
@@ -1450,48 +1799,65 @@ class GMasterXsyncMixin(GMasterChangelogMixin):
dem = self.master.server.entries(path)
pargfid = self.master.server.gfid(path)
if isinstance(pargfid, int):
- logging.warn('skipping directory %s' % (path))
+ logging.warn(lf('skipping directory',
+ path=path))
for e in dem:
bname = e
e = os.path.join(path, e)
xte = self.xtime(e)
if isinstance(xte, int):
- logging.warn("irregular xtime for %s: %s" %
- (e, errno.errorcode[xte]))
+ logging.warn(lf("irregular xtime",
+ path=e,
+ error=errno.errorcode[xte]))
continue
if not self.need_sync(e, xte, xtr):
continue
st = self.master.server.lstat(e)
if isinstance(st, int):
- logging.warn('%s got purged in the interim ...' % e)
+ logging.warn(lf('got purged in the interim',
+ path=e))
continue
if self.is_sticky(e, st.st_mode):
- logging.debug('ignoring sticky bit file %s' % e)
+ logging.debug(lf('ignoring sticky bit file',
+ path=e))
continue
gfid = self.master.server.gfid(e)
if isinstance(gfid, int):
- logging.warn('skipping entry %s..' % e)
+ logging.warn(lf('skipping entry',
+ path=e))
continue
mo = st.st_mode
- self.counter += 1
+ self.counter += 1 if ((stat.S_ISDIR(mo) or
+ stat.S_ISLNK(mo) or
+ stat.S_ISREG(mo))) else 0
if self.counter == self.XSYNC_MAX_ENTRIES:
self.sync_done(self.stimes, False)
self.stimes = []
if stat.S_ISDIR(mo):
- self.write_entry_change("E", [gfid, 'MKDIR', str(mo), str(
- st.st_uid), str(st.st_gid), escape(os.path.join(pargfid,
- bname))])
+ self.write_entry_change("E",
+ [gfid, 'MKDIR', str(mo),
+ str(0), str(0), escape_space_newline(
+ os.path.join(pargfid, bname))])
self.write_entry_change("M", [gfid, "SETATTR", str(st.st_uid),
- str(st.st_gid), str(st.st_mode)])
+ str(st.st_gid), str(st.st_mode),
+ str(st.st_atime),
+ str(st.st_mtime)])
self.Xcrawl(e, xtr_root)
stime_to_update = xte
- if self.xsync_upper_limit:
- stime_to_update = min(self.xsync_upper_limit, xte)
+ # Live Changelog Start time indicates that from that time
+ # onwards Live changelogs are available. If we update stime
+ # greater than live_changelog_start time then Geo-rep will
+ # skip those changelogs as already processed. But Xsync
+ # actually failed to sync the deletes and Renames. Update
+ # stime as min(Live_changelogs_time, Actual_stime) When it
+ # switches to Changelog mode, it syncs Deletes and Renames.
+ if self.live_changelog_start_time:
+ stime_to_update = min(self.live_changelog_start_time, xte)
self.stimes.append((e, stime_to_update))
elif stat.S_ISLNK(mo):
self.write_entry_change(
- "E", [gfid, 'SYMLINK', escape(os.path.join(pargfid,
- bname))])
+ "E", [gfid, 'SYMLINK', escape_space_newline(
+ os.path.join(pargfid, bname))])
elif stat.S_ISREG(mo):
nlink = st.st_nlink
nlink -= 1 # fixup backend stat link count
@@ -1501,19 +1867,19 @@ class GMasterXsyncMixin(GMasterChangelogMixin):
if nlink == 1:
self.write_entry_change("E",
[gfid, 'MKNOD', str(mo),
- str(st.st_uid),
- str(st.st_gid),
- escape(os.path.join(
- pargfid, bname))])
+ str(0), str(0),
+ escape_space_newline(
+ os.path.join(
+ pargfid, bname))])
else:
self.write_entry_change(
- "E", [gfid, 'LINK', escape(os.path.join(pargfid,
- bname))])
+ "E", [gfid, 'LINK', escape_space_newline(
+ os.path.join(pargfid, bname))])
self.write_entry_change("D", [gfid])
if path == '.':
stime_to_update = xtl
- if self.xsync_upper_limit:
- stime_to_update = min(self.xsync_upper_limit, xtl)
+ if self.live_changelog_start_time:
+ stime_to_update = min(self.live_changelog_start_time, xtl)
self.stimes.append((path, stime_to_update))
self.sync_done(self.stimes, True)
@@ -1599,16 +1965,17 @@ class Syncer(object):
def __init__(self, slave, sync_engine, resilient_errnos=[]):
"""spawn worker threads"""
+ self.log_err = False
self.slave = slave
self.lock = Lock()
self.pb = PostBox()
self.sync_engine = sync_engine
self.errnos_ok = resilient_errnos
- for i in range(int(gconf.sync_jobs)):
- t = Thread(target=self.syncjob)
+ for i in range(gconf.get("sync-jobs")):
+ t = Thread(target=self.syncjob, args=(i + 1, ))
t.start()
- def syncjob(self):
+ def syncjob(self, job_id):
"""the life of a worker"""
while True:
pb = None
@@ -1621,7 +1988,14 @@ class Syncer(object):
break
time.sleep(0.5)
pb.close()
- po = self.sync_engine(pb)
+ start = time.time()
+ po = self.sync_engine(pb, self.log_err)
+ logging.info(lf("Sync Time Taken",
+ job=job_id,
+ num_files=len(pb),
+ return_code=po.returncode,
+ duration="%.4f" % (time.time() - start)))
+
if po.returncode == 0:
ret = (True, 0)
elif po.returncode in self.errnos_ok:
@@ -1638,3 +2012,9 @@ class Syncer(object):
return pb
except BoxClosedErr:
pass
+
+ def enable_errorlog(self):
+ self.log_err = True
+
+ def disable_errorlog(self):
+ self.log_err = False