INITSCRIPTS = [('/etc/rc.vinit', 'start'),
('/etc/rc.d/rc', '%(runlevel)d')]
- def __init__(self, name, vm_id = None, vm_running = None):
+ def __init__(self, name, vm_id = None, vm_running = None, logfile=None):
self.name = name
self.rlimits_changed = False
if vm_running == None:
vm_running = self.is_running()
self.vm_running = vm_running
+ self.logfile = logfile
+
+ # inspired from nodemanager's logger
+ def log(self,msg):
+ if self.logfile:
+ try:
+ fd = os.open(self.logfile,"a", 0600)
+ if not msg.endswith('\n'): msg += '\n'
+ os.write(fd, '%s: %s' % (time.asctime(time.gmtime()), msg))
+ os.close(fd)
+ except:
+ print msg
def have_limits_changed(self):
return self.rlimits_changed
if old_minimum != VC_LIM_KEEP and old_minimum <> minimum: changed = True
self.rlimits_changed = self.rlimits_changed or changed
except OSError, e:
- if self.is_running(): print "Unexpected error with getrlimit for running context %d" % self.ctx
+ if self.is_running(): self.log("Unexpected error with getrlimit for running context %d" % self.ctx)
resource_type = RLIMITS[type]
try:
ret = vserverimpl.setrlimit(self.ctx,resource_type,hard,soft,minimum)
except OSError, e:
- if self.is_running(): print "Unexpected error with setrlimit for running context %d" % self.ctx
+ if self.is_running(): self.log("Unexpected error with setrlimit for running context %d" % self.ctx)
def set_rlimit_config(self,type,hard,soft,minimum):
"""Generic set resource limit function for vserver"""
try:
ret = vserverimpl.getrlimit(self.ctx,resource_type)
except OSError, e:
- print "Unexpected error with getrlimit for context %d" % self.ctx
+ self.log("Unexpected error with getrlimit for context %d" % self.ctx)
ret = self.get_rlimit_config(type)
return ret
return None
def __do_chroot(self):
- self.config.cache_it()
os.chroot(self.dir)
os.chdir("/")
try:
vserverimpl.unsetdlimit(self.dir, self.ctx)
except OSError, e:
- print "Unexpected error with unsetdlimit for context %d" % self.ctx
+ self.log("Unexpected error with unsetdlimit for context %d" % self.ctx)
return
if self.vm_running:
vserverimpl.DLIMIT_INF, # inode limit
2) # %age reserved for root
except OSError, e:
- print "Unexpected error with setdlimit for context %d" % self.ctx
+ self.log("Unexpected error with setdlimit for context %d" % self.ctx)
self.config.update('dlimits/0/space_total', block_limit)
os.unlink(f)
# set the initial runlevel
- f = open(RUNDIR + "/utmp", "w")
- vserverimpl.setrunlevel(f, runlevel)
- f.close()
+ vserverimpl.setrunlevel(RUNDIR + "/utmp", runlevel)
# mount /proc and /dev/pts
self.__do_mount("none", self.dir, "/proc", "proc")
raise ex
def enter(self):
+ self.config.cache_it()
self.__do_chroot()
self.__do_chcontext(None)
if fd != 0:
os.dup2(fd, 0)
os.close(fd)
+ self.config.cache_it()
self.__do_chroot()
- log = open("/var/log/boot.log", "w", 0)
+ log = open("/var/log/boot.log", "a", 0)
if log.fileno() != 1:
os.dup2(log.fileno(), 1)
os.dup2(1, 2)
print >>log, "executing '%s'" % " ".join(cmd_args)
os.spawnvp(os.P_NOWAIT,cmd[0],cmd_args)
except:
- traceback.print_exc()
+ print >>log, traceback.format_exc()
os._exit(1)
# we get here due to an exception in the top-level child process
except Exception, ex:
- traceback.print_exc()
+ self.log(traceback.format_exc())
os._exit(0)
# parent process