import calendar
import signal
import argparse
+import logging
+from logging.handlers import SysLogHandler
import glib
import gobject
self._zpools = []
self._poolstatus = {}
self._destroyedsnaps = []
+ self.logger = logging.getLogger('time-slider')
# This is also checked during the refresh() method but we need
# to know it sooner for instantiation of the PluginManager
try:
self.verbose = self._smf.get_verbose()
except RuntimeError,message:
- sys.stderr.write("Error determing whether debugging is enabled\n")
+ self.logger.error("Error determing whether debugging is enabled")
self.verbose = False
self._dbus = dbussvc.AutoSnap(bus,
self._conditionLock.wait(_MINUTE * 15)
except OSError, message:
- sys.stderr.write("Caught OSError exception in snapshot" +
- " manager thread\n")
- sys.stderr.write("Error details:\n" + \
+ self.logger.error("Caught OSError exception in snapshot" +
+ " manager thread")
+ self.logger.error("Error details:\n" + \
"--------BEGIN ERROR MESSAGE--------\n" + \
str(message) + \
- "\n--------END ERROR MESSAGE--------\n")
+ "\n--------END ERROR MESSAGE--------")
self.exitCode = smf.SMF_EXIT_ERR_FATAL
# Exit this thread
break
except RuntimeError,message:
- sys.stderr.write("Caught RuntimeError exception in snapshot" +
- " manager thread\n")
- sys.stderr.write("Error details:\n" + \
+ self.logger.error("Caught RuntimeError exception in snapshot" +
+ " manager thread")
+ self.logger.error("Error details:\n" + \
"--------BEGIN ERROR MESSAGE--------\n" + \
str(message) + \
- "\n--------END ERROR MESSAGE--------\n")
+ "\n--------END ERROR MESSAGE--------")
# Exit this thread
break
try:
self.verbose = self._smf.get_verbose()
except RuntimeError,message:
- sys.stderr.write("Error determing whether debugging is enabled\n")
+ self.logger.error("Error determing whether debugging is enabled")
self.verbose = False
try:
emer = self._smf.get_cleanup_level("emergency")
util.debug("Emergency level value is: %d%%" % emer, self.verbose)
except RuntimeError,message:
- sys.stderr.write("Failed to determine cleanup threshhold levels\n")
- sys.stderr.write("Details:\n" + \
+ self.logger.error("Failed to determine cleanup threshhold levels")
+ self.logger.error("Details:\n" + \
"--------BEGIN ERROR MESSAGE--------\n" + \
str(message) + \
"\n---------END ERROR MESSAGE---------\n")
- sys.stderr.write("Using factory defaults of 80%, 90% and 95%\n")
+ self.logger.error("Using factory defaults of 80%, 90% and 95%")
#Go with defaults
#FIXME - this would be an appropriate case to mark svc as degraded
self._remedialCleanup = True
self._keepEmpties = self._smf.get_keep_empties()
except RuntimeError,message:
# Not fatal, just assume we delete them (default configuration)
- sys.stderr.write("Can't determine whether to keep empty snapshots\n")
- sys.stderr.write("Details:\n" + \
+ self.logger.error("Can't determine whether to keep empty snapshots")
+ self.logger.error("Details:\n" + \
"--------BEGIN ERROR MESSAGE--------\n" + \
str(message) + \
- "\n---------END ERROR MESSAGE---------\n")
- sys.stderr.write("Assuming default value: False\n")
+ "\n---------END ERROR MESSAGE---------")
+ self.logger.error("Assuming default value: False")
self._keepEmpties = False
# Previously, snapshot labels used the ":" character was used as a
self._zpools.append(zpool)
util.debug(str(zpool), self.verbose)
except RuntimeError,message:
- sys.stderr.write("Could not list Zpools\n")
+ self.logger.error("Could not list Zpools")
self.exitCode = smf.SMF_EXIT_ERR_FATAL
# Propogate exception up to thread's run() method
raise RuntimeError,message
schedule))
except RuntimeError,message:
self.exitCode = smf.SMF_EXIT_ERR_FATAL
- sys.stderr.write("Failed to list snapshots during schedule update\n")
+ self.logger.error("Failed to list snapshots during schedule update")
#Propogate up to the thread's run() method
raise RuntimeError,message
totalinterval = intervals[interval] * period
except KeyError:
self.exitCode = smf.SMF_EXIT_ERR_CONFIG
- sys.stderr.write(schedule + \
+ self.logger.error(schedule + \
" schedule has invalid interval: " + \
- "'%s\'\n" % interval)
+ "'%s\'" % interval)
#Propogate up to thread's run() method
raise RuntimeError
if [schedule,interval,period,keep] in self._defaultSchedules:
except RuntimeError, message:
# Write an error message, set the exit code and pass it up the
# stack so the thread can terminate
- sys.stderr.write("Failed to create snapshots for schedule: %s\n" \
+ self.logger.error("Failed to create snapshots for schedule: %s" \
% (schedule))
self.exitCode = smf.SMF_EXIT_MON_DEGRADE
raise RuntimeError,message
# while iterating through it.
remainingsnaps = snaps[:]
except RuntimeError,message:
- sys.stderr.write("Failed to list snapshots during snapshot cleanup\n")
+ self.logger.error("Failed to list snapshots during snapshot cleanup")
self.exitCode = smf.SMF_EXIT_ERR_FATAL
raise RuntimeError,message
try:
snapshot = zfs.Snapshot(snapname)
except Exception,message:
- sys.stderr.write(str(message))
+ self.logger.error(str(message))
# Not fatal, just skip to the next snapshot
continue
try:
snapshot.destroy()
except RuntimeError,message:
- sys.stderr.write("Failed to destroy snapshot: " +
- snapname + "\n")
+ self.logger.error("Failed to destroy snapshot: " +
+ snapname)
self.exitCode = smf.SMF_EXIT_MON_DEGRADE
# Propogate exception so thread can exit
raise RuntimeError,message
remainingsnaps.remove(snapname)
except RuntimeError,message:
- sys.stderr.write("Can not determine used size of: " + \
- snapname + "\n")
+ self.logger.error("Can not determine used size of: " + \
+ snapname)
self.exitCode = smf.SMF_EXIT_MON_DEGRADE
#Propogate the exception to the thead run() method
raise RuntimeError,message
try:
snapshot = zfs.Snapshot(remainingsnaps[counter])
except Exception,message:
- sys.stderr.write(str(message))
+ self.logger.error(str(message))
# Not fatal, just skip to the next snapshot
counter += 1
continue
try:
snapshot.destroy()
except RuntimeError,message:
- sys.stderr.write("Failed to destroy snapshot: " +
- snapshot.name + "\n")
+ self.logger.error("Failed to destroy snapshot: " +
+ snapshot.name)
self.exitCode = smf.SMF_EXIT_ERR_FATAL
# Propogate exception so thread can exit
raise RuntimeError,message
dataset = zfs.ReadWritableDataset(name)
self._prune_snapshots(dataset, schedule)
except RuntimeError,message:
- sys.stderr.write("Error listing datasets during " + \
- "removal of expired snapshots\n")
+ self.logger.error("Error listing datasets during " + \
+ "removal of expired snapshots")
self.exitCode = smf.SMF_EXIT_ERR_FATAL
# Propogate up to thread's run() method
raise RuntimeError,message
self._cleanupLock.release()
return True
except RuntimeError, message:
- sys.stderr.write("Error checking zpool capacity of: " + \
- zpool.name + "\n")
+ self.logger.error("Error checking zpool capacity of: " + \
+ zpool.name)
self._cleanupLock.release()
self.exitCode = smf.SMF_EXIT_ERR_FATAL
# Propogate up to thread's run() mehod.
# This also catches exceptions thrown from _run_<level>_cleanup()
# and _run_cleanup() in methods called by _perform_cleanup()
except RuntimeError,message:
- sys.stderr.write("Remedial space cleanup failed because " + \
+ self.logger.error("Remedial space cleanup failed because " + \
"of failure to determinecapacity of: " + \
- zpool.name + "\n")
+ zpool.name)
self.exitCode = smf.SMF_EXIT_ERR_FATAL
self._cleanupLock.release()
# Propogate up to thread's run() method.
# Avoid needless list iteration for non-debug mode
if self.verbose == True and len(self._destroyedsnaps) > 0:
for snap in self._destroyedsnaps:
- sys.stderr.write("\t%s\n" % snap)
+ self.logger.error("\t%s" % snap)
self._cleanupLock.release()
def _run_warning_cleanup(self, zpool):
try:
clonedsnaps = self._datasets.list_cloned_snapshots()
except RuntimeError,message:
- sys.stderr.write("Error (non-fatal) listing cloned snapshots" +
- " while recovering pool capacity\n")
- sys.stderr.write("Error details:\n" + \
+ self.logger.error("Error (non-fatal) listing cloned snapshots" +
+ " while recovering pool capacity")
+ self.logger.error("Error details:\n" + \
"--------BEGIN ERROR MESSAGE--------\n" + \
str(message) + \
- "\n--------END ERROR MESSAGE--------\n")
+ "\n--------END ERROR MESSAGE--------")
# Build a list of snapshots in the given schedule, that are not
# cloned, and sort the result in reverse chronological order.
if not s in clonedsnaps]
snapshots.reverse()
except RuntimeError,message:
- sys.stderr.write("Error listing snapshots" +
- " while recovering pool capacity\n")
+ self.logger.error("Error listing snapshots" +
+ " while recovering pool capacity")
self.exitCode = smf.SMF_EXIT_ERR_FATAL
# Propogate the error up to the thread's run() method.
raise RuntimeError,message
while zpool.get_capacity() > threshold:
if len(snapshots) == 0:
- syslog.syslog(syslog.LOG_NOTICE,
+ self.logger.info( \
"No more %s snapshots left" \
% schedule)
return
# Would be nice to be able to mark service as degraded here
# but it's better to try to continue on rather than to give
# up alltogether (SMF maintenance state)
- sys.stderr.write("Warning: Cleanup failed to destroy: %s\n" % \
+ self.logger.error("Warning: Cleanup failed to destroy: %s" % \
(snapshot.name))
- sys.stderr.write("Details:\n%s\n" % (str(message)))
+ self.logger.error("Details:\n%s" % (str(message)))
else:
self._destroyedsnaps.append(snapname)
# Give zfs some time to recalculate.
for zpool in self._zpools:
status = self._poolstatus[zpool.name]
if status == 4:
- syslog.syslog(syslog.LOG_EMERG,
- "%s is over %d%% capacity. " \
+ self.logger.critical( \
"All automatic snapshots were destroyed" \
% (zpool.name, self._emergencyLevel))
elif status == 3:
- syslog.syslog(syslog.LOG_ALERT,
+ self.logger.error( \
"%s exceeded %d%% capacity. " \
"Automatic snapshots over 1 hour old were destroyed" \
% (zpool.name, self._emergencyLevel))
elif status == 2:
- syslog.syslog(syslog.LOG_CRIT,
+ self.logger.critical( \
"%s exceeded %d%% capacity. " \
"Weekly, hourly and daily automatic snapshots were destroyed" \
% (zpool.name, self._criticalLevel))
elif status == 1:
- syslog.syslog(syslog.LOG_WARNING,
+ self.logger.warning( \
"%s exceeded %d%% capacity. " \
"Hourly and daily automatic snapshots were destroyed" \
% (zpool.name, self._warningLevel))
if len(self._destroyedsnaps) > 0:
- syslog.syslog(syslog.LOG_NOTICE,
+ self.logger.warning( \
"%d automatic snapshots were destroyed" \
% len(self._destroyedsnaps))
def monitor_threads(snapthread):
+ logger = logging.getLogger('time-slider')
if snapthread.is_alive():
return True
else:
- sys.stderr.write("Snapshot monitor thread exited.\n")
+ logger.error("Snapshot monitor thread exited.")
if snapthread.exitCode == smf.SMF_EXIT_MON_DEGRADE:
# FIXME - it would be nicer to mark the service as degraded than
# go into maintenance state for some situations such as a
sys.exit(smf.SMF_EXIT_ERR_FATAL)
return False
else:
- sys.stderr.write("Snapshot monitor thread exited abnormally\n")
- sys.stderr.write("Exit code: %d\n" % (snapthread.exitCode))
+ logger.error("Snapshot monitor thread exited abnormally")
+ logger.error("Exit code: %d" % (snapthread.exitCode))
#subprocess.call(["/usr/sbin/svcadm", "mark", "maintenance",
# os.getenv("SMF_FMRI")])
sys.exit(smf.SMF_EXIT_ERR_FATAL)
parser.add_argument('--configdump', action='store_true', help='Dump default values in config file format', default=False)
args, _ = parser.parse_known_args()
+ logger = logging.getLogger('time-slider')
+ logger.setLevel(logging.DEBUG)
+ if args.foreground:
+ handler = logging.StreamHandler()
+ else:
+ handler = SysLogHandler(address='/dev/log')
+ handler.setLevel(logging.DEBUG)
+ handler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s: %(message)s', '%b %d %H:%M:%S time-sliderd:'))
+ logger.addHandler(handler)
+
if args.configdump:
timesliderconfig.configdump()
sys.exit(smf.SMF_EXIT_OK)
# The user security attributes checked are the following:
# Note that UID == 0 will match any profile search so
# no need to check it explicitly.
- syslog.openlog("time-sliderd", 0, syslog.LOG_DAEMON)
rbacp = RBACprofile()
if rbacp.has_profile("ZFS File System Management"):
mainloop.quit()
sys.exit(smf.SMF_EXIT_OK)
else:
- syslog.syslog(syslog.LOG_ERR,
+ logger.error( \
"%s has insufficient privileges to run time-sliderd!" \
% rbacp.name)
- syslog.closelog()
sys.exit(smf.SMF_EXIT_ERR_PERM)
- syslog.closelog()
sys.exit(smf.SMF_EXIT_OK)
git://git.camperquake.de / time-slider.git / commitdiff