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Daniel Hilst
b2316680ab
cons/kvm ran `ssh -t <vmhost> screen ... <pty>`, which requires screen on every
hypervisor. Bare libvirt hosts (notably ppc64le power servers) ship tmux but not
screen, so goconserver's console fork failed and no console was captured.
Use tmux (present on all our libvirt hosts) for the shared detach/reattach
session, wrapping `virsh console` keyed on the domain name (== the xCAT node name
for KVM) -- stable across guest reboots, unlike the raw serial pty. The session
status bar is disabled so the captured console log stays clean serial.
Signed-off-by: Daniel Hilst <392820+dhilst@users.noreply.github.com>
(cherry picked from commit e331290414)