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tools: avoid text spilling into variables

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While libvirt-guests.sh is running cases can let guest_is_on fail which
causes check_guests_shutdown to print output.
That output shall not spill into the users of function
check_guests_shutdown which is therefore now returning values in a
variable like guest_is_on already did.

Original-Author: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Modified-By: Jorge Niedbalski <niedbalski@ubuntu.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Christian Ehrhardt 2018-01-16 16:05:26 +01:00 committed by Michal Privoznik
parent 1351a0f8b4
commit ff02d1af40
1 changed files with 10 additions and 6 deletions
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16
tools/libvirt-guests.sh.in
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@ -329,12 +329,13 @@ guest_count()
# check_guests_shutdown URI GUESTS
# check if shutdown is complete on guests in "GUESTS" and returns only
# guests that are still shutting down
# Result is returned in "guests_shutting_down"
check_guests_shutdown()
{
uri=$1
guests=$2
guests_up=
guests_shutting_down=
for guest in $guests; do
if ! guest_is_on "$uri" "$guest" >/dev/null 2>&1; then
eval_gettext "Failed to determine state of guest: \$guest. Not tracking it anymore."
@ -342,10 +343,9 @@ check_guests_shutdown()
continue
fi
if "$guest_running"; then
guests_up="$guests_up $guest"
guests_shutting_down="$guests_shutting_down $guest"
fi
done
echo "$guests_up"
}
# print_guests_shutdown URI BEFORE AFTER
@ -392,8 +392,11 @@ shutdown_guests_parallel()
guest=$1
shift
guests=$*
shutdown_guest_async "$uri" "$guest"
on_shutdown="$on_shutdown $guest"
if [ -z "$(echo $on_shutdown | grep $guest)" ] &&
[ -n "$(guest_name "$uri" "$guest")" ]; then
shutdown_guest_async "$uri" "$guest"
on_shutdown="$on_shutdown $guest"
fi
done
sleep 1
@ -420,7 +423,8 @@ shutdown_guests_parallel()
fi
on_shutdown_prev=$on_shutdown
on_shutdown=$(check_guests_shutdown "$uri" "$on_shutdown")
check_guests_shutdown "$uri" "$on_shutdown"
on_shutdown="$guests_shutting_down"
print_guests_shutdown "$uri" "$on_shutdown_prev" "$on_shutdown"
done
}