import subprocess
import shutil
import sys
+import signal
import logger
f.write(virt)
return virt
+### this return True or False to indicate that systemctl is present on that box
+# cache result in memory as _has_systemctl
+_has_systemctl=None
+def has_systemctl ():
+ global _has_systemctl
+ if _has_systemctl is None:
+ _has_systemctl = (subprocess.call([ 'systemctl', '--help' ]) == 0)
+ return _has_systemctl
+
# how to run a command in a slice
# now this is a painful matter
# the problem is with capsh that forces a bash command to be injected in its exec'ed command
logger.log("command_in_slice: WARNING: could not find a valid virt")
return argv
+####################
+def init_signals ():
+ def handler (signum, frame):
+ logger.log("Received signal %d - exiting"%signum)
+ os._exit(1)
+ signal.signal(signal.SIGHUP,handler)
+ signal.signal(signal.SIGQUIT,handler)
+ signal.signal(signal.SIGINT,handler)
+ signal.signal(signal.SIGTERM,handler)