/etc/maas/templates/power/amt.template is in maas-cluster-controller 1.5.4+bzr2294-0ubuntu1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | #!/bin/sh
# -*- mode: shell-script -*-
#
# Control a system via amttool
power_address='{{power_address}}'
power_change='{{power_change}}'
power_pass='{{power_pass}}'
ip_address='{{ip_address}}'
# The user specified power_address overrides any automatically determined
# ip_address.
if [ -n "$power_address" ]; then
ip_address=$power_address
fi
echo amt.template starting $*
echo ip_address $ip_address
echo power_change $power_change
echo power_pass $power_pass
amt() {
echo running amttool "$ip_address" $*
AMT_PASSWORD="$power_pass" amttool "$ip_address" "$@"
}
state() {
state=`{
# Retry the state if it fails because it often fails the first time.
amt 2> /dev/null || amt
} | grep '^Powerstate:' | awk '{print $2}'`
echo $state
}
is_power_on() {
[ "$power_change" '=' on ]
}
if is_power_on; then
desired_state=S0
else
desired_state=S5
fi
echo desired $desired_state
current_state=`state`
for i in `seq 0 1`; do
echo found current_state $current_state
if [ "$current_state" '=' "" ]; then
echo Cannot get current state
exit 2
fi
if is_power_on; then
if [ "$current_state" '=' S0 ]; then
# If the machine is already up, the powerup command will
# not work - we need to powercycle instead.
args='powercycle pxe'
else
args='powerup pxe'
fi
else
if [ "$current_state" '=' S5 ]; then
# Machine is already off, so no need to do anything.
exit 0
fi
args='powerdown'
fi
yes | amt $args
current_state=`state`
if [ "$current_state" '=' $desired_state ]; then
exit 0
fi
echo retrying
done
echo Failed after several attempts
exit 1
|