| #!/bin/bash |
| # |
| |
| # Copyright (C) 2011 Google Inc. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, but |
| # WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| # General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write to the Free Software |
| # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| # 02110-1301, USA. |
| |
| XEN_CMD="$1" |
| INSTANCE="$2" |
| |
| unpause() { |
| ispaused=$(xm list -l "$INSTANCE" 2>/dev/null | |
| sed -n 's/^[[:blank:]]*(state ..\(.\)...)/\1/p') |
| [[ "$ispaused" == "p" ]] || return |
| # As there is no way to be sure when xm console has actually connected to the |
| # instance, sleep for a few seconds before unpausing the instance. This is a |
| # tradeoff between missing some console output if the node is overloaded and |
| # making the user wait everytime when the node isn't so busy. |
| sleep 3 |
| # Send \r\n after notice as terminal is in raw mode |
| printf "Instance $INSTANCE is paused, unpausing\r\n" |
| xm unpause "$INSTANCE" |
| } |
| |
| unpause & |
| exec $XEN_CMD console "$INSTANCE" |
