From f9034731fa234a4b5efa1d2d6147fe1e798b6d36 Mon Sep 17 00:00:00 2001 From: Jasper Ras Date: Fri, 4 Apr 2025 14:31:53 +0200 Subject: vault backup: 2025-04-04 14:31:53 --- OVN upgrade.md | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 OVN upgrade.md (limited to 'OVN upgrade.md') diff --git a/OVN upgrade.md b/OVN upgrade.md new file mode 100644 index 0000000..8874ef4 --- /dev/null +++ b/OVN upgrade.md @@ -0,0 +1,40 @@ +--- +tags: + - work + - ovn + - upgrade +--- +https://docs.ovn.org/en/latest/intro/install/ovn-upgrades.html + +**Fail-safe upgrade procedure** +The ansible playbook does **NOT** encode the fail-safe procedure in such a way that it prevents us from skipping versions. It is **mandatory** that we ourselves correctly decide the version to upgrade to. + +**Is the issue resolved with group.one- prefixes on unit files and /etc/default?** +https://gitlab.group.one/groupvps/ovn-builder/-/merge_requests/11/diffs + +It seems to have been fixed using overrides in debian/rules that move stuff to the expected places after building. + +*After testing it looks like this is all done correctly now* + + +**Ansible playbook** +https://gitlab.group.one/groupvps/ansible/-/merge_requests/56/diffs + +- Makes a backup of OVN db's on networking nodes + - Creates files on the local system under /tmp + - Creates files on the remote system under /var/.ovn-backups +- Pins the controller version on both compute and networking nodes + - `ovs-vsctl set open_vswitch . external_ids:ovn-match-northd-version=true` +- Upgrades ovn-central, ovn-common and ovn-host on network nodes + - Installs packages + - restarts ovn-controller, ovn-northd, ovn-ovsdb-server-sb/nb + - Checks ovsdb-server is running + - Checks the socket file for existence +- Upgrades ovn controller on compute nodes + - Installs package + - restart ovn-controller + +**Invocation** +``` +ansible-playbook playbooks/failsafe_install_ovn.yml --limit vps_testpod --extra-vars "ovn_search_version=22.03.8+20250403.1251.35813e0b.systems.jammy1" +``` \ No newline at end of file -- cgit v1.2.3