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1 | 2f4c951e | Stephen Shirley | #!/bin/bash |
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2 | 2f4c951e | Stephen Shirley | |
3 | 2f4c951e | Stephen Shirley | # Copyright (C) 2011 Google Inc. |
4 | 2f4c951e | Stephen Shirley | # |
5 | 2f4c951e | Stephen Shirley | # This program is free software; you can redistribute it and/or modify |
6 | 2f4c951e | Stephen Shirley | # it under the terms of the GNU General Public License as published by |
7 | 2f4c951e | Stephen Shirley | # the Free Software Foundation; either version 2 of the License, or |
8 | 2f4c951e | Stephen Shirley | # (at your option) any later version. |
9 | 2f4c951e | Stephen Shirley | # |
10 | 2f4c951e | Stephen Shirley | # This program is distributed in the hope that it will be useful, but |
11 | 2f4c951e | Stephen Shirley | # WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | 2f4c951e | Stephen Shirley | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | 2f4c951e | Stephen Shirley | # General Public License for more details. |
14 | 2f4c951e | Stephen Shirley | # |
15 | 2f4c951e | Stephen Shirley | # You should have received a copy of the GNU General Public License |
16 | 2f4c951e | Stephen Shirley | # along with this program; if not, write to the Free Software |
17 | 2f4c951e | Stephen Shirley | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
18 | 2f4c951e | Stephen Shirley | # 02110-1301, USA. |
19 | 2f4c951e | Stephen Shirley | |
20 | 2f4c951e | Stephen Shirley | SOCAT="$1" |
21 | 2f4c951e | Stephen Shirley | INSTANCE="$2" |
22 | 2f4c951e | Stephen Shirley | MONITOR="$3" |
23 | 2f4c951e | Stephen Shirley | PARAMS="$4" |
24 | 2f4c951e | Stephen Shirley | CONSOLE="$5" |
25 | 2f4c951e | Stephen Shirley | |
26 | 2f4c951e | Stephen Shirley | unpause() { |
27 | 2f4c951e | Stephen Shirley | echo "info status" | |
28 | 2f4c951e | Stephen Shirley | "$SOCAT" STDIO "UNIX-CONNECT:$MONITOR" 2>/dev/null | |
29 | 2f4c951e | Stephen Shirley | grep -q '^VM status: paused' || return |
30 | 2f4c951e | Stephen Shirley | # As there is no way to be sure when the main socat has actually connected to |
31 | 2f4c951e | Stephen Shirley | # the instance console, sleep for a few seconds before unpausing the |
32 | 2f4c951e | Stephen Shirley | # instance. This is a tradeoff between missing some console output if the |
33 | 2f4c951e | Stephen Shirley | # node is overloaded and making the user wait everytime when the node isn't |
34 | 2f4c951e | Stephen Shirley | # so busy. |
35 | 2f4c951e | Stephen Shirley | sleep 3 |
36 | 2f4c951e | Stephen Shirley | # Send \r\n after notice as terminal is in raw mode |
37 | 2f4c951e | Stephen Shirley | printf "Instance $INSTANCE is paused, unpausing\r\n" |
38 | 2f4c951e | Stephen Shirley | echo "c" | "$SOCAT" STDIO "UNIX-CONNECT:$MONITOR" &>/dev/null |
39 | 2f4c951e | Stephen Shirley | } |
40 | 2f4c951e | Stephen Shirley | |
41 | 2f4c951e | Stephen Shirley | unpause & |
42 | 2f4c951e | Stephen Shirley | exec "$SOCAT" "$PARAMS" "$CONSOLE" |