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#!/usr/bin/python -u
# Copyright 2007-2008 Martin J. Bligh <mbligh@google.com>, Google Inc.
# Released under the GPL v2
"""
Run an control file through the server side engine
"""
import sys, os, re, traceback, signal, time, logging, getpass
import common
from autotest_lib.client.common_lib.global_config import global_config
require_atfork = global_config.get_config_value(
'AUTOSERV', 'require_atfork_module', type=bool, default=True)
try:
import atfork
atfork.monkeypatch_os_fork_functions()
import atfork.stdlib_fixer
# Fix the Python standard library for threading+fork safety with its
# internal locks. http://code.google.com/p/python-atfork/
import warnings
warnings.filterwarnings('ignore', 'logging module already imported')
atfork.stdlib_fixer.fix_logging_module()
except ImportError, e:
from autotest_lib.client.common_lib import global_config
if global_config.global_config.get_config_value(
'AUTOSERV', 'require_atfork_module', type=bool, default=False):
print >>sys.stderr, 'Please run utils/build_externals.py'
print e
sys.exit(1)
from autotest_lib.server import server_logging_config
from autotest_lib.server import server_job, utils, autoserv_parser, autotest
from autotest_lib.client.common_lib import pidfile, logging_manager
def run_autoserv(pid_file_manager, results, parser):
# send stdin to /dev/null
dev_null = os.open(os.devnull, os.O_RDONLY)
os.dup2(dev_null, sys.stdin.fileno())
os.close(dev_null)
# Create separate process group
os.setpgrp()
# Implement SIGTERM handler
def handle_sigterm(signum, frame):
if pid_file_manager:
pid_file_manager.close_file(1, signal.SIGTERM)
os.killpg(os.getpgrp(), signal.SIGKILL)
# Set signal handler
signal.signal(signal.SIGTERM, handle_sigterm)
# Ignore SIGTTOU's generated by output from forked children.
signal.signal(signal.SIGTTOU, signal.SIG_IGN)
# Server side tests that call shell scripts often depend on $USER being set
# but depending on how you launch your autotest scheduler it may not be set.
os.environ['USER'] = getpass.getuser()
if parser.options.machines:
machines = parser.options.machines.replace(',', ' ').strip().split()
else:
machines = []
machines_file = parser.options.machines_file
label = parser.options.label
group_name = parser.options.group_name
user = parser.options.user
client = parser.options.client
server = parser.options.server
install_before = parser.options.install_before
install_after = parser.options.install_after
verify = parser.options.verify
repair = parser.options.repair
cleanup = parser.options.cleanup
no_tee = parser.options.no_tee
parse_job = parser.options.parse_job
execution_tag = parser.options.execution_tag
if not execution_tag:
execution_tag = parse_job
host_protection = parser.options.host_protection
ssh_user = parser.options.ssh_user
ssh_port = parser.options.ssh_port
ssh_pass = parser.options.ssh_pass
collect_crashinfo = parser.options.collect_crashinfo
control_filename = parser.options.control_filename
# can't be both a client and a server side test
if client and server:
parser.parser.error("Can not specify a test as both server and client!")
if len(parser.args) < 1 and not (verify or repair or cleanup
or collect_crashinfo):
parser.parser.error("Missing argument: control file")
# We have a control file unless it's just a verify/repair/cleanup job
if len(parser.args) > 0:
control = parser.args[0]
else:
control = None
if machines_file:
machines = []
for m in open(machines_file, 'r').readlines():
# remove comments, spaces
m = re.sub('#.*', '', m).strip()
if m:
machines.append(m)
print "Read list of machines from file: %s" % machines_file
print ','.join(machines)
if machines:
for machine in machines:
if not machine or re.search('\s', machine):
parser.parser.error("Invalid machine: %s" % str(machine))
machines = list(set(machines))
machines.sort()
if group_name and len(machines) < 2:
parser.parser.error("-G %r may only be supplied with more than one machine."
% group_name)
kwargs = {'group_name': group_name, 'tag': execution_tag}
if control_filename:
kwargs['control_filename'] = control_filename
job = server_job.server_job(control, parser.args[1:], results, label,
user, machines, client, parse_job,
ssh_user, ssh_port, ssh_pass, **kwargs)
job.logging.start_logging()
job.init_parser()
# perform checks
job.precheck()
# run the job
exit_code = 0
try:
try:
if repair:
job.repair(host_protection)
elif verify:
job.verify()
else:
job.run(cleanup, install_before, install_after,
only_collect_crashinfo=collect_crashinfo)
finally:
while job.hosts:
host = job.hosts.pop()
host.close()
except:
exit_code = 1
traceback.print_exc()
if pid_file_manager:
pid_file_manager.num_tests_failed = job.num_tests_failed
pid_file_manager.close_file(exit_code)
job.cleanup_parser()
sys.exit(exit_code)
def main():
# grab the parser
parser = autoserv_parser.autoserv_parser
parser.parse_args()
if len(sys.argv) == 1:
parser.parser.print_help()
sys.exit(1)
if parser.options.no_logging:
results = None
else:
results = parser.options.results
if not results:
results = 'results.' + time.strftime('%Y-%m-%d-%H.%M.%S')
results = os.path.abspath(results)
resultdir_exists = False
for filename in ('control.srv', 'status.log', '.autoserv_execute'):
if os.path.exists(os.path.join(results, filename)):
resultdir_exists = True
if not parser.options.use_existing_results and resultdir_exists:
error = "Error: results directory already exists: %s\n" % results
sys.stderr.write(error)
sys.exit(1)
# Now that we certified that there's no leftover results dir from
# previous jobs, lets create the result dir since the logging system
# needs to create the log file in there.
if not os.path.isdir(results):
os.makedirs(results)
logging_manager.configure_logging(
server_logging_config.ServerLoggingConfig(), results_dir=results,
use_console=not parser.options.no_tee,
verbose=parser.options.verbose,
no_console_prefix=parser.options.no_console_prefix)
if results:
logging.info("Results placed in %s" % results)
# wait until now to perform this check, so it get properly logged
if parser.options.use_existing_results and not resultdir_exists:
logging.error("No existing results directory found: %s", results)
sys.exit(1)
if parser.options.write_pidfile:
pid_file_manager = pidfile.PidFileManager(parser.options.pidfile_label,
results)
pid_file_manager.open_file()
else:
pid_file_manager = None
autotest.BaseAutotest.set_install_in_tmpdir(
parser.options.install_in_tmpdir)
exit_code = 0
try:
try:
run_autoserv(pid_file_manager, results, parser)
except SystemExit, e:
exit_code = e.code
except:
traceback.print_exc()
# If we don't know what happened, we'll classify it as
# an 'abort' and return 1.
exit_code = 1
finally:
if pid_file_manager:
pid_file_manager.close_file(exit_code)
sys.exit(exit_code)
if __name__ == '__main__':
main()