puppet-tripleo/releasenotes/notes/nova_compute_live_migration...

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---
fixes:
- |
libvirt 6.8.0 introduces virt-ssh-helper which prepends the libvirt
ssh command with a "which virt-ssh-helper". libvirt used to first
check for `nc` (netcat). But these two libvirt commits[1][2] have now
changed it to first look for `virt-ssh-helper`, if it not available,
then fall back to `nc`. This trips up the 'nova-migration-wrapper' as
it does not support virt-ssh-helper atm.
Until this is implemented, this change force to use "netcat" (`nc`) by
appending to the migration URI: "&proxy=netcat"
[1] https://libvirt.org/git/?p=libvirt.git;a=commit;h=f8ec7c842d (rpc:
use new virt-ssh-helper binary for remote tunnelling, 2020-07-08)
[2] https://libvirt.org/git/?p=libvirt.git;a=commit;h=7d959c302d (rpc:
Fix virt-ssh-helper detection, 2020-10-27)