def upload():
openstack = request.form
region = openstack['region']
session = get_valid_session(openstack)
nova = NovaClient(session=session.session, version=2, region=region)
glance = GlanceClient(session=session.session, version=2, region=region)
heat = HeatClient(version=1, endpoint=session.get_endpoint("heat", region), token=session.token)
image_list = []
if nova.get_status() and glance.get_status() and heat.get_status():
LOG.info("Connection to all services are established")
image_file = request.files['file']
if image_file and allowed_file(image_file.filename):
filename = add_uuid(secure_filename(image_file.filename))
if not os.path.exists(temp_location):
os.mkdir(temp_location)
imagepath = os.path.join(temp_location, filename)
LOG.info("Saving file to: " + imagepath + " ...")
image_file.save(imagepath)
LOG.info("Upload OK, saved file " + imagepath)
else:
raise Exception("Extension is not allowed")
LOG.info("Extracting ova file to " + temp_location + "file ...")
ovf_file = extract_file(filename, temp_location)
folder = temp_location+ovf_file.replace(".ovf", "")
try:
LOG.info("Parsing virtual information data from ovf file ...")
parsed_file = transform_parsed_vms(folder + '/'+image_file.filename.replace("ova", "ovf"))
valid_vms = []
space_available, message = nova.check_quota(parsed_file["vms"])
if space_available:
LOG.info(message)
for vm in parsed_file["vms"]:
flavor = nova.get_best_flavor([int(vm.cpu), int(vm.ram), from_bytes_to_gb(vm.disk)])
image_id = glance.upload_image(vm.image, folder + '/' + vm.image)
point = GeneratedVM(name=vm.name,
flavor=flavor,
image=image_id,
networks=vm.network["internal_network"],
sec_groups=vm.network["NAT"])
image_list.append(image_id)
valid_vms.append(point)
LOG.info("Generating template file ...")
heat.create_stack(name=openstack['stack_name'], body=yaml.dump(generate_template(valid_vms)))
else:
raise Exception(message)
except:
glance.remove_list_of_images(image_list)
clean(folder)
raise Exception("Couldn't create heat template")
clean(folder)
return str({"Ok"})
else:
LOG.error("Couldn't establish connection with all services")
