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#!/bin/bash
# Author: Lars Marowsky-Bree
#
# Copyright 2008 Lars Marowsky-Bree
# License: GNU General Public License (GPL)
# This is not an external/stonith plugin by itself, but instead a helper
# script which gets installed in Dom0.
# TODO:
# - Error handling
# - How to handle if the DomU resource doesn't exist?
# - Does this truly work with split-brain?
# - Is the handling of non-existent resources adequate?
# ...
# Basically: more testing. This is proof-of-concept and works, but deserves
# validation.
CMD="$1"
DOMU="$2"
TIMEOUT="$3"
# Make sure the timeout is an integer:
if [ "0$TIMEOUT" -eq 0 ]; then
TIMEOUT=300
fi
SetTargetRole() {
local new_role="$1"
crm_resource -r $DOMU --meta -p target_role -v $new_role
local timeout="$TIMEOUT"
# We only need to wait for "stopped".
if [ "$new_role" != "stopped" ]; then
return 0
fi
while [ $timeout -gt 0 ]; do
local rc
crm_resource -W -r $DOMU 2>&1 | grep -q "is NOT running"
rc=$?
if [ $rc -eq 0 ]; then
return 0
fi
timeout=$[timeout-1];
sleep 1
done
return 1
}
case $CMD in
on) SetTargetRole started
exit $?
;;
off) SetTargetRole stopped
exit $?
;;
reset) SetTargetRole stopped || exit 1
SetTargetRole started
exit $?
;;
status) exit 0
;;
*) ha_log.sh err "Called with unknown command: $CMD"
exit 1
;;
esac
exit 1
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