
When cinder-api runs behind a load balancer(eg haproxy), the load balancer can return 504 Gateway Timeout when cinder-api does not respond within timeout. This change ensures nova retries deleting a volume attachment in that case. Also this change makes nova ignore 404 in the API call. This is required because cinder might continue deleting the attachment even if the load balancer returns 504. This also helps us in the situation where the volume attachment was accidentally removed by users. Closes-Bug: #1978444 Change-Id: I593011d9f4c43cdae7a3d53b556c6e2a2b939989
OpenStack Nova
OpenStack Nova provides a cloud computing fabric controller, supporting a wide variety of compute technologies, including: libvirt (KVM, Xen, LXC and more), Hyper-V, VMware, OpenStack Ironic and PowerVM.
Use the following resources to learn more.
API
To learn how to use Nova's API, consult the documentation available online at:
For more information on OpenStack APIs, SDKs and CLIs in general, refer to:
Operators
To learn how to deploy and configure OpenStack Nova, consult the documentation available online at:
In the unfortunate event that bugs are discovered, they should be reported to the appropriate bug tracker. If you obtained the software from a 3rd party operating system vendor, it is often wise to use their own bug tracker for reporting problems. In all other cases use the master OpenStack bug tracker, available at:
Developers
For information on how to contribute to Nova, please see the contents of the CONTRIBUTING.rst.
Any new code must follow the development guidelines detailed in the HACKING.rst file, and pass all unit tests.
Further developer focused documentation is available at:
Other Information
During each Summit and Project Team Gathering, we agree on what the whole community wants to focus on for the upcoming release. The plans for nova can be found at: