takehirokaneko 7392bbe2ed rack command uses the cliff framework
Change-Id: I50edf6be8b59ceac39e66cb12cd1048a03230237
2015-03-11 16:46:15 +09:00

94 lines
2.6 KiB
Python

import logging
import os
import sys
from cliff.app import App
from cliff.commandmanager import CommandManager
import requests
from rackclient import exceptions
VERSION='1'
class RackShell(App):
log = logging.getLogger(__name__)
def __init__(self):
super(RackShell, self).__init__(
description='rack shell',
version=VERSION,
command_manager=CommandManager('rack.command'),
)
def build_option_parser(self, description, version,
argparse_kwargs=None):
parser = super(RackShell, self).build_option_parser(
description, version, argparse_kwargs)
parser.add_argument(
'--rack-api-version',
metavar='<api-verion>',
default=os.environ.get('RACK_API_VERSION', VERSION),
help=('Accepts only 1, '
'defaults to env[RACK_API_VERSION].')
)
parser.add_argument(
'--rack-url',
metavar='<rack-url>',
default=os.environ.get('RACK_URL', ''),
help='Defaults to env[RACK_URL].'
)
parser.add_argument(
'--gid',
metavar='<gid>',
default=os.environ.get('RACK_GID', ''),
help='Defaults to env[RACK_GID].'
)
return parser
def configure_logging(self):
super(RackShell, self).configure_logging()
rlogger = logging.getLogger(requests.__name__)
rlogger.setLevel(logging.WARNING)
def initialize_app(self, argv):
self.check_options()
def check_options(self):
if self.options.rack_api_version != '1':
raise exceptions.CommandError(
"'rack-api-version' must be 1")
if not self.options.rack_url:
raise exceptions.CommandError(
"You must provide an RACK url "
"via either --rack-url or env[RACK_URL]")
def prepare_to_run_command(self, cmd):
commands = ['HelpCommand', 'ListGroups', 'ShowGroup',
'CreateGroup', 'UpdateGroup', 'DeleteGroup',
'InitGroup']
if cmd.__class__.__name__ not in commands:
if not self.options.gid:
raise exceptions.CommandError(
"You must provide a gid "
"via either --gid or env[RACK_GID]")
def clean_up(self, cmd, result, err):
if err:
self.log.debug('got an error: %s', err)
def main(argv=sys.argv[1:]):
app = RackShell()
return app.run(argv)
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))