ucloud-api/main.py

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import etcd3
import json
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from helper import check_otp
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from flask import Flask
from flask_restful import Resource, Api, reqparse
from decouple import config
from uuid import uuid4
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app = Flask(__name__)
api = Api(app)
etcd_client = etcd3.client(host=config("ETCD_HOST"), port=int(config("ETCD_PORT")))
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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)
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deletevm_argparser = reqparse.RequestParser()
deletevm_argparser.add_argument("name", type=str, required=True)
deletevm_argparser.add_argument("realm", type=str, required=True)
deletevm_argparser.add_argument("seed", type=str, required=True)
deletevm_argparser.add_argument("vmid", type=str, required=True)
vmstatus_argparser = reqparse.RequestParser()
vmstatus_argparser.add_argument("id", type=str, required=True)
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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
vm_entry = {"owner": name,
"specs": specs,
"hostname": "",
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"status": "REQUESTED_NEW"}
etcd_client.put(f"/v1/vm/{uuid4().hex}", json.dumps(vm_entry))
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return {"message": "VM Creation Queued"}, 200
else:
return {"message": "Invalid Credentials"}, 400
class DeleteVM(Resource):
def post(self):
deletevm_args = deletevm_argparser.parse_args()
name, realm, seed, vmid = deletevm_args.name, deletevm_args.realm,\
deletevm_args.seed, deletevm_args.vmid
if check_otp(name, realm, seed) == 200:
# User is good
vmentry_etcd = etcd_client.get(f"/v1/vm/{vmid}")[0]
if vmentry_etcd:
vmentry_etcd = json.loads(vmentry_etcd)
vmentry_etcd["status"] = "REQUEST_DELETE"
etcd_client.put(f"/v1/vm/{vmid}", json.dumps(vmentry_etcd))
return {"message": "VM Deletion Queued"}, 200
else:
return {"message": "Invalid VM ID"}
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else:
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return {"message": "Invalid Credentials"}, 400
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class VmStatus(Resource):
def get(self):
args = vmstatus_argparser.parse_args()
r = etcd_client.get(f"/v1/vm/{args.id}")[0]
if r:
r = dict(json.loads(r.decode("utf-8")))
return r
return {"Message": "Not Found"}
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api.add_resource(CreateVM, "/vm/create")
api.add_resource(DeleteVM, "/vm/delete")
api.add_resource(VmStatus, "/vm/status")
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if __name__ == "__main__":
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app.run(debug=True)