def get_boot_cron(ignored_params, extra=""):
'''Turn current python script into a crontab reboot entry'''
job_args = sanitize(sys.argv, ignored_params)
job = " ".join(job_args)
out_fname = get_outfname()
short_job = " ".join([common.get_cmd()] + job_args[1:])
msg = "Job '%s' will write output to '%s'" % (short_job, out_fname)
sys.stderr.write("%s %d seconds after reboot.\n" % (msg, DELAY))
# Create sleep and wall commands which will countdown DELAY seconds
# before executing the job
cmds = ["sleep %d" % DELAY_INTERVAL]
delay_rem = DELAY - DELAY_INTERVAL
while delay_rem > 0:
wmsg = "Restarting experiments in %d seconds. %s" % (delay_rem, extra)
cmds += [wall(wmsg)]
cmds += ["sleep %d" % min(DELAY_INTERVAL, delay_rem)]
delay_rem -= DELAY_INTERVAL
delay_cmd = ";".join(cmds)
# Create command which will only execute if the same kernel is running
kern = common.kernel()
fail_wall = wall("Need matching kernel '%s' to run!" % kern)
run_cmd = "echo '%s' | grep -q `uname -r` && %s && %s && %s >> %s 2>>%s || %s" %\
(kern, wall(msg), wall("Starting..."), job, out_fname, out_fname, fail_wall)
return "@reboot cd %s; %s; %s;" % (os.getcwd(), delay_cmd, run_cmd)
def verify_environment(exp_params):
'''Raise an exception if the current system doesn't match that required
by @exp_params.'''
if exp_params.kernel and not re.match(exp_params.kernel, com.kernel()):
raise InvalidKernel(exp_params.kernel)
if exp_params.config_options:
results = []
for param, wanted in exp_params.config_options.iteritems():
try:
actual = com.get_config_option(param)
except IOError:
actual = None
if not str(wanted) == str(actual):
results += [ConfigResult(param, wanted, actual)]
if results:
raise InvalidConfig(results)
def verify_environment(exp_params):
'''Raise an exception if the current system doesn't match that required
by @exp_params.'''
if exp_params.kernel and not re.match(exp_params.kernel, com.kernel()):
raise InvalidKernel(exp_params.kernel)
if exp_params.config_options:
results = []
for param, wanted in exp_params.config_options.iteritems():
try:
actual = com.get_config_option(param)
except IOError:
actual = None
if not str(wanted) == str(actual):
results += [ConfigResult(param, wanted, actual)]
if results:
raise InvalidConfig(results)
def get_boot_cron(ignored_params, extra=""):
"""Turn current python script into a crontab reboot entry"""
job_args = sanitize(sys.argv, ignored_params)
job = " ".join(job_args)
out_fname = get_outfname()
short_job = " ".join([common.get_cmd()] + job_args[1:])
msg = "Job '%s' will write output to '%s'" % (short_job, out_fname)
sys.stderr.write("%s %d seconds after reboot.\n" % (msg, DELAY))
# Create sleep and wall commands which will countdown DELAY seconds
# before executing the job
cmds = ["sleep %d" % DELAY_INTERVAL]
delay_rem = DELAY - DELAY_INTERVAL
while delay_rem > 0:
wmsg = "Restarting experiments in %d seconds. %s" % (delay_rem, extra)
cmds += [wall(wmsg)]
cmds += ["sleep %d" % min(DELAY_INTERVAL, delay_rem)]
delay_rem -= DELAY_INTERVAL
delay_cmd = ";".join(cmds)
# Create command which will only execute if the same kernel is running
kern = common.kernel()
fail_wall = wall("Need matching kernel '%s' to run!" % kern)
run_cmd = "echo '%s' | grep -q `uname -r` && %s && %s && %s >> %s 2>>%s || %s" % (
kern,
wall(msg),
wall("Starting..."),
job,
out_fname,
out_fname,
fail_wall,
)
return "@reboot cd %s; %s; %s;" % (os.getcwd(), delay_cmd, run_cmd)
