root / tools / xen-console-wrapper @ 1c9e817d
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#!/bin/bash |
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# |
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# Copyright (C) 2011 Google Inc. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, but |
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# WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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# General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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# 02110-1301, USA. |
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XEN_CMD="$1" |
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INSTANCE="$2" |
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unpause() { |
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ispaused=$(xm list -l "$INSTANCE" 2>/dev/null | |
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sed -n 's/^[[:blank:]]*(state ..\(.\)...)/\1/p') |
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[[ "$ispaused" == "p" ]] || return |
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# As there is no way to be sure when xm console has actually connected to the |
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# instance, sleep for a few seconds before unpausing the instance. This is a |
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# tradeoff between missing some console output if the node is overloaded and |
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# making the user wait everytime when the node isn't so busy. |
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sleep 3 |
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# Send \r\n after notice as terminal is in raw mode |
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printf "Instance $INSTANCE is paused, unpausing\r\n" |
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xm unpause "$INSTANCE" |
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} |
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unpause & |
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exec $XEN_CMD console "$INSTANCE" |