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executable file 54 lines (36 sloc) 1.05 KB
#!/usr/bin/python
# hook that runs ntpdate before duplicity to sync clock to UTC
import os
import sys
import executil
from string import Template
NTPSERVER = os.environ.get("NTPSERVER", "pool.ntp.org")
ERROR_TPL = """\
##########################
## FIXCLOCK HOOK FAILED ##
##########################
Amazon S3 and Duplicity need a UTC synchronized clock so we invoked the
following command::
$COMMAND
You can change the NTP server like this:
export NTPSERVER=my.ntp-server.net
tklbam-backup
Unfortunately, something went wrong...
$ERROR
"""
def fixclock():
os.environ['PATH'] += ':/usr/sbin'
command = "ntpdate -u " + NTPSERVER
try:
executil.getoutput(command)
except executil.ExecError, e:
msg = Template(ERROR_TPL).substitute(COMMAND=command,
ERROR=e.output)
print >> sys.stderr, msg,
sys.exit(1)
def main():
op, state = sys.argv[1:]
if op in ('restore', 'backup') and state == 'pre':
fixclock()
if __name__ == "__main__":
main()