def add_instances(args):
launcher = Launcher(**launcher_args(args))
manager = [
i for i in running_or_pending_instances(launcher.get_reservations())
if 'manager' in i.tags.get('Name', '')
]
if len(manager) > 1:
print "There is more than one Manager instance. Can't add workers.", \
"Managers:"
for m in manager:
print_instance(m)
return 1
elif len(manager) == 0:
print "No manager instances are running. Can't add workers."
return 1
if args.num_instances < 1:
print "--num-instances must be greater or equal to 1."
return 1
manager = manager[0]
launcher.vpc_id = manager.vpc_id
launcher.subnet_id = manager.subnet_id
launcher.instance_type = manager.instance_type
launcher.security_group_id = manager.groups[0].id
print "Launching worker instance(s):"
status_printer = StatusPrinter()
workers = launcher.launch_workers(args.num_instances,
manager.key_name,
manager.id,
args.spot_price,
callback=status_printer.on_status)
status_printer.done()
print "Workers started:"
for worker in workers:
print_instance(worker, 'worker')
print ""
print "Waiting for services:"
if launcher.wait_for_services(workers, callback=status_printer.on_status):
status_printer.done()
else:
status_printer.failed()
def add_instances(args):
launcher = Launcher(**launcher_args(args))
manager = [i for i in running_or_pending_instances(launcher.get_reservations())
if 'manager' in i.tags.get('Name', '')]
if len(manager) > 1:
print "There is more than one Manager instance. Can't add workers.", \
"Managers:"
for m in manager:
print_instance(m)
return 1
elif len(manager) == 0:
print "No manager instances are running. Can't add workers."
return 1
if args.num_instances < 1:
print "--num-instances must be greater or equal to 1."
return 1
manager = manager[0]
launcher.vpc_id = manager.vpc_id
launcher.subnet_id = manager.subnet_id
launcher.instance_type = manager.instance_type
launcher.security_group_id = manager.groups[0].id
print "Launching worker instance(s):"
status_printer = StatusPrinter()
workers = launcher.launch_workers(args.num_instances,
manager.key_name,
manager.id,
args.spot_price,
callback=status_printer.on_status)
status_printer.done()
print "Workers started:"
for worker in workers:
print_instance(worker, 'worker')
print ""
print "Waiting for services:"
if launcher.wait_for_services(workers, callback=status_printer.on_status):
status_printer.done()
else:
status_printer.failed()
