def reset_all_zones(self):
"""
Reset all zones
"""
self._begin_op()
db_session = self.db_session
id_query = db_session.query(ZoneSM.id_, ZoneSM.name)
id_query = ZoneSM.query_is_not_disabled_deleted(id_query)
id_result = id_query.all()
for zone_id, zone_name in id_result:
try:
zone_sm = db_session.query(ZoneSM)\
.filter(ZoneSM.id_ == zone_id).one()
except NoResultFound:
raise ZoneNotFoundByZoneId(zone_id)
exec_zonesm(zone_sm, ZoneSMDoReset)
self._finish_op()
def restore_named_db(self):
"""
Dump dms DB to Named zone files and include file
For quick DR secnario
"""
self._begin_op()
# Exception processing make the both of the following a bit of a
# rats nest
# Check that named is not running
cmdline = [settings['rndc_path'], 'status']
try:
check_output(cmdline, stderr=STDOUT)
except CalledProcessError as exc:
if exc.returncode != 1:
raise exc
pass
else:
raise NamedStillRunning(0)
# Check that dmsdmd is not running
try:
pid_file = open(settings['pid_file'],'r')
dmsdmd_pid = int(pid_file.readline().strip())
pid_file.close()
# The following throws exceptions if process does not exist etc!
# Sending signal 0 does not touch process, but call succeeds
# if it exists
os.kill(dmsdmd_pid, 0)
except ValueError as exc:
# Error from int() type conversion above
raise PidFileValueError(pid_file, exc)
except (IOError,OSError) as exc:
if (exc.errno in (errno.ESRCH,)):
# This is from kill()
raise DmsdmdStillRunning(dmsdmd_pid)
# File IO causes this
elif (exc.errno in (errno.ENOENT,)):
# This file may be removed by dameon nicely shutting down.
pass
else:
# No exceptions, dmsdmd is running!!!
raise DmsdmdStillRunning(dmsdmd_pid)
# Dump out each zone file
db_session = self.db_session
id_query = db_session.query(ZoneSM.id_, ZoneSM.name)
id_query = ZoneSM.query_is_not_disabled_deleted(id_query)
id_result = id_query.all()
for zone_id, zone_name in id_result:
try:
zone_sm = db_session.query(ZoneSM)\
.filter(ZoneSM.id_ == zone_id).one()
except NoResultFound:
raise ZoneNotFoundByZoneId(zone_id)
try:
zone_sm.write_zone_file(db_session, ZoneFileWriteInternalError)
zone_sm.state = ZSTATE_PUBLISHED
db_session.commit()
except ZoneFileWriteInternalError as exc:
db_session.rollback()
raise ZoneFileWriteError(str(exc))
# Write out config file include
master_sm = get_master_sm(db_session)
try:
master_sm.write_named_conf_includes(db_session,
NamedConfWriteInternalError)
except NamedConfWriteInternalError as exc:
raise NamedConfWriteError(str(exc))
self._finish_op()
