def on_link_request_prepare(xact_info, action, ks_path, request_msg):
self._log.debug(
"Received virtual-link on_prepare callback (xact_info: %s, action: %s): %s",
xact_info, action, request_msg)
response_info = None
response_xpath = ks_path.to_xpath(RwResourceMgrYang.get_schema()) + "/resource-info"
schema = RwResourceMgrYang.YangData_RwProject_Project_ResourceMgmt_VlinkEvent_VlinkEventData().schema()
pathentry = schema.keyspec_to_entry(ks_path)
if action == rwdts.QueryAction.CREATE:
try:
response_info = RwResourceMgrYang.YangData_RwProject_Project_ResourceMgmt_VlinkEvent_VlinkEventData_ResourceInfo()
response_info.resource_state = 'pending'
request_msg.resource_info = response_info
self.create_record_dts(self._link_reg,
None,
ks_path.to_xpath(RwResourceMgrYang.get_schema()),
request_msg)
asyncio.ensure_future(allocate_vlink_task(ks_path,
pathentry.key00.event_id,
request_msg.cloud_account,
request_msg.request_info),
loop = self._loop)
except Exception as e:
self._log.error(
"Encountered exception: %s while creating virtual network", str(e))
self._log.exception(e)
response_info = RwResourceMgrYang.YangData_RwProject_Project_ResourceMgmt_VlinkEvent_VlinkEventData_ResourceInfo()
response_info.resource_state = 'failed'
response_info.resource_errors = str(e)
yield from self._dts.query_update(response_xpath,
rwdts.XactFlag.ADVISE,
response_info)
elif action == rwdts.QueryAction.DELETE:
yield from self._parent.release_virtual_network(pathentry.key00.event_id)
self.delete_record_dts(self._link_reg, None,
ks_path.to_xpath(RwResourceMgrYang.get_schema()))
elif action == rwdts.QueryAction.READ:
# TODO: Check why we are getting null event id request
if pathentry.key00.event_id:
response_info = yield from self._parent.read_virtual_network_info(pathentry.key00.event_id)
else:
xact_info.respond_xpath(rwdts.XactRspCode.NA)
return
else:
raise ValueError(
"Only read/create/delete actions available. Received action: %s" %(action))
self._log.info("Responding with VirtualLinkInfo at xpath %s: %s.",
response_xpath, response_info)
xact_info.respond_xpath(rwdts.XactRspCode.ACK, response_xpath, response_info)
def allocate_vlink_task(ks_path, event_id, cloud_account, request_info):
response_xpath = ks_path.to_xpath(RwResourceMgrYang.get_schema()) + "/resource-info"
schema = RwResourceMgrYang.YangData_RwProject_Project_ResourceMgmt_VlinkEvent_VlinkEventData().schema()
pathentry = schema.keyspec_to_entry(ks_path)
try:
response_info = yield from self._parent.allocate_virtual_network(pathentry.key00.event_id,
cloud_account,
request_info)
except Exception as e:
self._log.error("Encountered exception: %s while creating virtual network", str(e))
self._log.exception(e)
response_info = RwResourceMgrYang.YangData_RwProject_Project_ResourceMgmt_VlinkEvent_VlinkEventData_ResourceInfo()
response_info.resource_state = 'failed'
response_info.resource_errors = str(e)
yield from self._dts.query_update(response_xpath,
rwdts.XactFlag.ADVISE,
response_info)
else:
yield from self._dts.query_update(response_xpath,
rwdts.XactFlag.ADVISE,
response_info)
