c7153be040
Co-Authored-By: Jean-Michel Claus <jmc@edx.org> Co-Authored-By: Brian Talbot <btalbot@edx.org> Co-Authored-By: Tim Babych <tim@edx.org> Co-Authored-By: Oleg Marshev <oleg@edx.org> Co-Authored-By: Chris Rodriguez <crodriguez@edx.org>
107 lines
2.8 KiB
Python
107 lines
2.8 KiB
Python
"""
|
|
Command-line utility to start a stub service.
|
|
"""
|
|
import sys
|
|
import time
|
|
import logging
|
|
from .comments import StubCommentsService
|
|
from .xqueue import StubXQueueService
|
|
from .youtube import StubYouTubeService
|
|
from .ora import StubOraService
|
|
from .lti import StubLtiService
|
|
from .video_source import VideoSourceHttpService
|
|
from .edxnotes import StubEdxNotesService
|
|
|
|
|
|
USAGE = "USAGE: python -m stubs.start SERVICE_NAME PORT_NUM [CONFIG_KEY=CONFIG_VAL, ...]"
|
|
|
|
SERVICES = {
|
|
'xqueue': StubXQueueService,
|
|
'youtube': StubYouTubeService,
|
|
'ora': StubOraService,
|
|
'comments': StubCommentsService,
|
|
'lti': StubLtiService,
|
|
'video': VideoSourceHttpService,
|
|
'edxnotes': StubEdxNotesService,
|
|
}
|
|
|
|
# Log to stdout, including debug messages
|
|
logging.basicConfig(level=logging.DEBUG, format="%(levelname)s %(message)s")
|
|
|
|
|
|
def get_args():
|
|
"""
|
|
Parse arguments, returning tuple of `(service_name, port_num, config_dict)`.
|
|
Exits with a message if arguments are invalid.
|
|
"""
|
|
if len(sys.argv) < 3:
|
|
print USAGE
|
|
sys.exit(1)
|
|
|
|
service_name = sys.argv[1]
|
|
port_num = sys.argv[2]
|
|
config_dict = _parse_config_args(sys.argv[3:])
|
|
|
|
if service_name not in SERVICES:
|
|
print "Unrecognized service '{0}'. Valid choices are: {1}".format(
|
|
service_name, ", ".join(SERVICES.keys()))
|
|
sys.exit(1)
|
|
|
|
try:
|
|
port_num = int(port_num)
|
|
if port_num < 0:
|
|
raise ValueError
|
|
|
|
except ValueError:
|
|
print "Port '{0}' must be a positive integer".format(port_num)
|
|
sys.exit(1)
|
|
|
|
return service_name, port_num, config_dict
|
|
|
|
|
|
def _parse_config_args(args):
|
|
"""
|
|
Parse stub configuration arguments, which are strings of the form "KEY=VAL".
|
|
`args` is a list of arguments from the command line.
|
|
Any argument that does not match the "KEY=VAL" format will be logged and skipped.
|
|
|
|
Returns a dictionary with the configuration keys and values.
|
|
"""
|
|
config_dict = dict()
|
|
for config_str in args:
|
|
try:
|
|
components = config_str.split('=')
|
|
if len(components) >= 2:
|
|
config_dict[components[0]] = "=".join(components[1:])
|
|
|
|
except:
|
|
print "Warning: could not interpret config value '{0}'".format(config_str)
|
|
pass
|
|
|
|
return config_dict
|
|
|
|
|
|
def main():
|
|
"""
|
|
Start a server; shut down on keyboard interrupt signal.
|
|
"""
|
|
service_name, port_num, config_dict = get_args()
|
|
print "Starting stub service '{0}' on port {1}...".format(service_name, port_num)
|
|
|
|
server = SERVICES[service_name](port_num=port_num)
|
|
server.config.update(config_dict)
|
|
|
|
try:
|
|
while True:
|
|
time.sleep(1)
|
|
|
|
except KeyboardInterrupt:
|
|
print "Stopping stub service..."
|
|
|
|
finally:
|
|
server.shutdown()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|