def main():
namespace = parse_job_mode()
if namespace.jmx_username:
namespace.jmx_password = getpass.getpass(prompt="JMX Password ")
else:
namespace.jmx_password = None
if bool(namespace.seed_host) + bool(namespace.host) + bool(
namespace.host_file) != 1:
error(
"Exactly one of --seed-host, --host and --host-file must be used",
print_traceback=False)
hosts = None
if namespace.host_file:
with open(namespace.host_file) as f:
hosts = f.readlines()
if namespace.host:
hosts = namespace.host
cstar.output.configure(namespace.verbose)
with cstar.job.Job() as job:
env = {}
job_id = str(uuid.uuid4())
msg("Job id is", emph(job_id))
cstar.signalhandler.print_message_and_save_on_sigint(job, job_id)
job.setup(hosts=hosts,
seeds=namespace.seed_host,
command=namespace.command,
job_id=job_id,
strategy=cstar.strategy.parse(
fallback(namespace.strategy, "topology")),
cluster_parallel=fallback(namespace.cluster_parallel, False),
dc_parallel=fallback(namespace.dc_parallel, False),
max_concurrency=namespace.max_concurrency,
timeout=namespace.timeout,
env=env,
stop_after=namespace.stop_after,
job_runner=cstar.jobrunner.LocalJobRunner,
key_space=namespace.key_space,
output_directory=namespace.output_directory,
ignore_down_nodes=False,
dc_filter=namespace.dc_filter,
sleep_on_new_runner=namespace.ssh_pause_time,
sleep_after_done=namespace.node_done_pause_time,
ssh_username=namespace.ssh_username,
ssh_password=namespace.ssh_password,
ssh_identity_file=namespace.ssh_identity_file,
ssh_lib=namespace.ssh_lib,
jmx_username=namespace.jmx_username,
jmx_password=namespace.jmx_password,
resolve_hostnames=namespace.resolve_hostnames,
hosts_variables=namespace.hosts_variables)
job.run()
def print_message_and_save_on_sigint(job, job_id):
global _msg, _job
_msg = "Shutting down gracefully. Hit ^C again to shut down gracelessly.\n\nTo resume, type %s" % (
emph("cstar continue " + job_id), )
_job = job
signal.signal(signal.SIGINT, _handler)
def execute_command(args):
cstar.output.debug(args)
command = args.command
if bool(args.seed_host) + bool(args.host) + bool(args.host_file) != 1:
error(
"Exactly one of --seed-host, --host and --host-file must be used",
print_traceback=False)
hosts = None
if args.host_file:
with open(args.host_file) as f:
hosts = f.readlines()
if args.host:
hosts = args.host
with cstar.job.Job() as job:
env = dict(
(arg.name, getattr(args, arg.name)) for arg in command.arguments)
if bool(args.enforced_job_id) == 1:
job_id = args.enforced_job_id
if not (validate_uuid4(job_id)):
raise BadArgument("Job id is not a valid UUID v4 value.")
else:
job_id = str(uuid.uuid4())
msg("Job id is", emph(job_id))
msg("Running", command.file)
cstar.signalhandler.print_message_and_save_on_sigint(job, job_id)
job.setup(hosts=hosts,
seeds=args.seed_host,
command=command.file,
job_id=job_id,
strategy=cstar.strategy.parse(
fallback(args.strategy, command.strategy, "topology")),
cluster_parallel=fallback(args.cluster_parallel,
command.cluster_parallel, False),
dc_parallel=fallback(args.dc_parallel, command.dc_parallel,
False),
max_concurrency=args.max_concurrency,
timeout=args.timeout,
env=env,
stop_after=args.stop_after,
job_runner=cstar.jobrunner.RemoteJobRunner,
key_space=args.key_space,
output_directory=args.output_directory,
ignore_down_nodes=args.ignore_down_nodes,
dc_filter=args.dc_filter,
sleep_on_new_runner=args.ssh_pause_time,
sleep_after_done=args.node_done_pause_time,
ssh_username=args.ssh_username,
ssh_password=args.ssh_password,
ssh_identity_file=args.ssh_identity_file,
ssh_lib=args.ssh_lib,
jmx_username=args.jmx_username,
jmx_password=args.jmx_password,
jmx_passwordfile=args.jmx_passwordfile)
job.run()
def print_outcome(self):
if self.state.is_done() and not self.errors:
if len(self.state.progress.done) == self.state.stop_after:
cstar.jobwriter.write(self)
msg("Job", self.job_id, "successfully ran on", self.state.stop_after, "hosts.\nTo finish the job, run",
emph("cstar continue %s" % (self.job_id,)))
msg("Job", self.job_id, "finished successfully")
else:
msg("Job", self.job_id, "finished with errors.\n"
"%s nodes finished successfully\n"
"%s nodes had errors\n"
"%s nodes didn't start executing"
% (len(self.state.progress.done),
len(self.state.progress.failed),
len(self.state.original_topology) - len(self.state.progress.done) - len(self.state.progress.failed)))
