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lxcrest.py
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lxcrest.py
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from flask import Flask, Response
from flask.ext import restful
from flask.ext.restful import reqparse, abort
import lxc
app = Flask(__name__)
api = restful.Api(app)
class LxcContainers(restful.Resource):
def get(self):
containers = lxc.all_as_dict()
return containers
def post(self):
parser = reqparse.RequestParser()
parser.add_argument('name', type=str, required=True)
parser.add_argument('config', type=str)
parser.add_argument('template', type=str)
parser.add_argument('template_options', type=str)
args = parser.parse_args()
try:
lxc.create(args['name'], config_file=args['config'], template=args['template'], template_options=args['template_options'])
return '/'+args['name'], 201
except Exception as e:
return str(e), 500
class LxcContainer(restful.Resource):
def get(self, name):
if lxc.exists(name):
container = lxc.info(name)
return container
else:
abort(404)
def delete(self, name):
if lxc.exists(name):
lxc.destroy(name)
return Response(status=204)
else:
abort(404)
class LxcContainerState(restful.Resource):
def get(self, name):
if lxc.exists(name):
state = lxc.info(name)['state:']
return state
else:
abort(404)
def put(self, name):
if lxc.exists(name):
parser = reqparse.RequestParser()
parser.add_argument('state', type=str, required=True)
newState = parser.parse_args()['state']
oldState = lxc.info(name)['state:']
if newState == oldState:
return Response(status=204)
else:
if newState == 'RUNNING':
if oldState == 'STOPPED':
lxc.start(name)
elif oldState == 'FROZEN':
lxc.start(name)
elif newState == 'STOPPED':
lxc.stop(name)
elif newState == 'FROZEN':
lxc.freeze(name)
return lxc.info(name)
else:
abort(404)
api.add_resource(LxcContainers, '/')
api.add_resource(LxcContainer, '/<string:name>')
api.add_resource(LxcContainerState, '/<string:name>/state')