Wikimedia Cloud Services team/Opensource Contributions

To help our goal of being good citizens to upstream open source communities we utilize, below is a non-exhaustive list of notable upstream contributions.

2023

Contributions in 2023.

Openstack

• Neutron bug report: neutron-keepalived-state-change unconditional debug mode (bug report)
• Kolla Ansible bug report: nova_libvirtd and nova_compute can't auth (bug report)

Debian

• #1030671: libvirt-daemon: g_hash_table_unref: assertion 'hash_table != NULL' failed (bug report)
• #1030684: libvirtd: apparmor DENIED for /etc/ssl/openssl.cnf results in VM paused with IO error (bug report)

2022

Contributions in 2022.

Openstack

• Cinder chunkeddriver: use iterative json encoding
• backups: Use the most recent available backup for incrementals
• instance model: fix extraction of ip addresses from instance record

2021

Contributions in 2021.

Debian

• Debian bug #985498: gridengine -- missing dependency on cpp package, with proposed patch
• Created an official debian package for capirca.

Linux kernel

• Debugging ip token set RTNETLINK error, some kernel devels contacted regarding RTNETLINK error reporting, which will eventually end in an improved situation
• Reported upstream a problem in the nf_tables kernel subsystem, which resulted in upstream patching the bug.
• Reported upstream a regression on VRF+conntrack. Revert was already in place, but our report triggered inclusion in stable releases.

Cloud-init

• Added support for OpenStack's dynamic vendordata
• puppet config: add the start_agent option

Kubernetes projects

• helm chart fix for nfs PVC storageclass provisioner

Openstack

• Fixed policy enforcement in several places in Horizon
• Sent a couple of patches for Manila documentation.
• manila: service_instance: allow overriding the instance name (https://review.opendev.org/c/openstack/manila/+/811736)

Ceph

• ceph-volume: Consider /dev/root as mounted (https://github.com/ceph/ceph/pull/41277)
• monitoring/grafana/cluster: use per-unit max and limit values (https://github.com/ceph/ceph/pull/41880)
• ceph-volume: Raise when no osd_id and no osd_fsid is provided (https://github.com/ceph/ceph/pull/41180)

Puppet stdlib

• stdlib::ensure: Add support for package resource (https://github.com/puppetlabs/puppetlabs-stdlib/pull/1213)

Kubernetes release

• Expired key - "Google Cloud Packages Automatic Signing Key" (https://github.com/kubernetes/release/issues/1982)

keepalived

• Reported problem with the nopreempt directive: https://github.com/acassen/keepalived/issues/2032 (related to T294956 - keepalived: flap when rebooting servers).

2020

Contributions in 2020.

Debian

• prometheus-openstack-exporter debian package
• openstack neutron-dynamic-routing debian package backported patch from upstream code

Openstack

• Various Horizon bugfixes
• https://techblog.wikimedia.org/2020/09/02/a-journey-of-a-single-step-begins-with-a-thousand-miles/