def handle_stop_command():
"""I handle the stop command
"""
try:
import_services()
except ImportError:
print(
'error: make sure you are inside a mamba application root '
'directory and then run this command again'
)
sys.exit(-1)
twisted_pid = filepath.FilePath('twistd.pid')
if not twisted_pid.exists():
print(
'error: twistd.pid file can\'t be found. You should be in the '
'applicatin directory in order to stop it'
)
sys.exit(-1)
pid = twisted_pid.open().read()
print('killing process id {} with SIGINT signal'.format(
pid).ljust(73), end='')
try:
filepath.os.kill(int(pid), signal.SIGINT)
print('[{}]'.format(darkgreen('Ok')))
except:
print('[{}]'.format(darkred('Fail')))
raise
def handle_start_command(options=None, dropin_cache_wa=False):
"""I handle the start command
"""
try:
mamba_services = import_services()
mamba_services.config.Application('config/application.json')
except ImportError:
print(
'error: make sure you are inside a mamba application root '
'directory and then run this command again'
)
sys.exit(-1)
if POSIX:
app = mamba_services.config.Application()
if app.port is None:
print(
'Your application configuration file does not define a valid '
'port. Is your configuration file valid JSON format?'
)
sys.exit(-1)
elif app.port <= 1024:
if os.getuid() != 0:
print(
'[{e}]: This application is configured to use a reserved '
'port (a port under 1025) only root can open a port from '
'this range root access is needed to start this '
'application using the {port} port.\n\nTry something '
'like: sudo mamba-admin start\n\nYou can also change the '
'configuration for this application editing '
'\'config/application.json\''.format(
e=darkred('ERROR'), port=app.port
)
)
sys.exit(-1)
args = ['twistd']
try:
app_name = glob.glob(
'twisted/plugins/*.py')[0].split(os.sep)[-1].rsplit('_', 1)[0]
except IndexError:
print(
'error: twisted directory can\'t be found. You should be in '
'the application directory in order to start it'
)
sys.exit(-1)
if filepath.exists('twistd.pid'):
print(
'error: twistd.pid found, seems like the application is '
'running already. If the application is not running, please '
'delete twistd.pid and try again'
)
sys.exit(-1)
# determine if we are running in heroku
in_heroku = '.heroku' in os.environ.get('PYTHONHOME', '')
args.append('--nodaemon')
if not in_heroku:
if not mamba_services.config.Application().auto_select_reactor:
args.append(determine_platform_reactor(mamba_services))
if not mamba_services.config.Application().development:
args.remove('--nodaemon')
args.append('--syslog')
args.append(app_name)
if options is not None and options.subOptions.opts['port']:
args.append('--port={}'.format(options.subOptions.opts['port']))
if in_heroku or mamba_services.config.Application().development:
os.execlp('twistd', *args)
else:
if not dropin_cache_wa:
print(
'starting application {}...'.format(app_name).ljust(73), end=''
)
proc = subprocess.Popen(
args, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE
)
out, err = proc.communicate()
if not err:
if 'exception' in out:
result = darkred('Fail')
exit_code = -1
elif 'already installed' in out:
return handle_start_command(options, True)
else:
result = darkgreen('Ok')
exit_code = 0
else:
result = darkred('Fail')
exit_code = -1
print('[{}]'.format(result))
print(err if exit_code == -1 else out)
sys.exit(exit_code)