ucloud-api/main.py

49 lines
1.6 KiB
Python

import etcd
from helper import check_otp, get_next_id
from flask import Flask
from flask_restful import Resource, Api, reqparse
from decouple import config
from enums import VmStatus
app = Flask(__name__)
api = Api(app)
etcd_client = etcd.Client(host=config("ETCD_HOST"), port=int(config("ETCD_PORT")))
etcd_lock = etcd.Lock(etcd_client, 'etcd_lock')
createvm_argparser = reqparse.RequestParser()
createvm_argparser.add_argument("name", type=str, required=True)
createvm_argparser.add_argument("realm", type=str, required=True)
createvm_argparser.add_argument("seed", type=str, required=True)
createvm_argparser.add_argument("specs", type=dict, required=True)
class CreateVM(Resource):
def post(self):
createvm_args = createvm_argparser.parse_args()
name, realm, seed, specs = createvm_args.name, createvm_args.realm,\
createvm_args.seed, createvm_args.specs
if check_otp(name, realm, seed) == 200:
# User is good
# Block until lock is acquired. There is no timeout associated with this lock.
with etcd_lock:
next_vm_id = get_next_id(etcd_client, "/v1/vm/")
vm_entry = {"owner": name,
"specs": specs,
"status": VmStatus.REQUESTED_NEW}
etcd_client.write(f"/v1/vm/{next_vm_id}", vm_entry)
return {'message': "VM Creation Queued"}, 200
else:
return {'message': 'Invalid Credentials'}, 400
api.add_resource(CreateVM, '/vm/create')
if __name__ == '__main__':
app.run(debug=True)